/* Theme variables are defined in per-theme CSS files (isearch-theme-*.css).
   This base stylesheet contains only layout and component styles. */

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    color: var(--text-primary);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* ============================================
   Focus visible (keyboard / a11y)
   ============================================ */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-2xl); }
h4 { font-size: var(--font-size-xl); }
h5 { font-size: var(--font-size-lg); }
h6 { font-size: var(--font-size-base); }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

/* ============================================
   Container
   ============================================ */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--navbar-height);
}

.logo img {
    height: 64px;
    width: auto;
}

.logo .logo-text {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.nav-link {
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-xs) var(--spacing-sm);
    position: relative;
    transition: color var(--transition-fast);
}

/* CJK nav labels: drop Latin-only tracking so glyphs align naturally */
:lang(zh-Hans) .nav-link,
:lang(zh-Hant) .nav-link {
    letter-spacing: normal;
    text-transform: none;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: var(--spacing-sm);
    right: var(--spacing-sm);
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transition: transform var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
}

.login-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    padding: var(--spacing-xs) var(--spacing-md) !important;
    border-radius: var(--radius-md);
    margin-left: var(--spacing-sm);
    transition: all var(--transition-base);
    min-width: 0;
}

.login-link::after {
    display: none;
}

.login-link:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white) !important;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(74, 93, 35, 0.3);
}

.login-link i {
    flex-shrink: 0;
}

.nav-menu .login-link {
    flex-shrink: 0;
}

/* Language dropdown in navbar */
.nav-language-control {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    border-bottom: 2px solid rgba(148, 163, 184, 0.8);
    padding: 0.1rem 0;
    transition: border-color var(--transition-base), color var(--transition-base);
}

.nav-language-icon {
    font-size: var(--font-size-sm);
    color: var(--text-primary);
    transition: color var(--transition-base);
}

.nav-language-select {
    border: none;
    border-radius: 0;
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    cursor: pointer;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    padding: 0.1rem 1rem 0.1rem 0;
    line-height: 1.2;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%234A5D23' d='M2 3l3 3 3-3z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.05rem center;
}

.nav-language-control:hover,
.nav-language-control:focus-within {
    border-bottom-color: var(--color-primary);
}

.nav-language-control:hover .nav-language-icon,
.nav-language-control:hover .nav-language-select,
.nav-language-control:focus-within .nav-language-icon,
.nav-language-control:focus-within .nav-language-select {
    color: var(--color-primary);
}

@media (max-width: 768px) {
    .nav-language-control {
        width: 100%;
        justify-content: flex-start;
        margin-top: var(--spacing-xs);
    }

    .nav-language-select {
        width: 100%;
    }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    transition: all var(--transition-fast);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .logo img {
        height: 48px;
        max-width: 180px;
        object-fit: contain;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .nav-link {
        width: 100%;
        text-align: center;
        padding: var(--spacing-sm);
    }
    
    .login-link {
        margin-left: 0;
        margin-top: var(--spacing-xs);
    }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-top: var(--navbar-height);
    background-color: var(--hero-bg);
    overflow: hidden;
}

.hero-ripples-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    display: block;
}

.hero-background {
    display: none;
}

.hero-overlay {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--text-primary);
    animation: fadeInUp 1s ease-out, fadeIn 1.2s ease-out;
    will-change: transform, opacity;
}

.hero-title {
    margin-bottom: var(--spacing-md);
    line-height: 1;
}

.hero-title .hero-logo {
    display: block;
    height: clamp(6rem, 22vw, 11rem);
    width: auto;
    max-width: min(560px, 95vw);
    margin: 0 auto;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    margin-bottom: var(--spacing-lg);
    color: var(--text-secondary);
}

.hero-cta-group {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    justify-content: center;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-weight: var(--font-weight-semibold);
    text-align: center;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-base);
    font-size: var(--font-size-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.btn-primary {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(74, 93, 35, 0.3);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-light), var(--color-primary));
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(74, 93, 35, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.3);
}

.btn-secondary:active {
    transform: translateY(0);
}

/* ============================================
   Floating Background Shapes
   ============================================ */
.floating-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.floating-shape {
    position: absolute;
    opacity: 0.08;
    pointer-events: none;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--color-primary);
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 150px;
    height: 150px;
    border-radius: 30%;
    background: var(--color-accent);
    top: 60%;
    right: 10%;
    animation-delay: 5s;
}

.shape-3 {
    width: 180px;
    height: 180px;
    border-radius: 20%;
    background: var(--color-primary-light);
    bottom: 20%;
    left: 50%;
    animation-delay: 10s;
}

.shape-4 {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: var(--color-secondary);
    top: 30%;
    right: 30%;
    animation-delay: 15s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) translateX(0px) rotate(0deg);
    }
    33% {
        transform: translateY(-30px) translateX(20px) rotate(120deg);
    }
    66% {
        transform: translateY(20px) translateX(-15px) rotate(240deg);
    }
}

/* ============================================
   Sections
   ============================================ */
.section {
    padding: var(--spacing-xxl) 0;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    position: relative;
}

.section.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Hero section is always visible */
.hero {
    opacity: 1 !important;
    transform: none !important;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section-header::before {
    display: none; /* decorative bar removed per stakeholder request */
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.about-section .section-title,
.products-section .section-title,
.contact-section .section-title {
    color: var(--color-primary);
}

/* Core services heading: match “Why choose i-Search” card title tone */
.services-section .section-title {
    color: var(--text-primary);
}

/* Our Products heading: solid, bold text (no gradient/animation) */
.products-section .section-title {
    font-weight: var(--font-weight-semibold);
}

/* Header titles: solid primary color (gradient removed per stakeholder request) */
.gradient-text {
    color: var(--color-primary);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
    max-width: 980px;
    margin: 0 auto;
}

/* Anchor jump with fixed navbar (keep sections closer to toolbar) */
section[id] {
    scroll-margin-top: calc(var(--navbar-height) + var(--spacing-sm));
}

/* ============================================
   Contour Lines Decorative Pattern
   ============================================ */
.contour-lines {
    position: absolute;
    width: 350px;
    height: 450px;
    pointer-events: none;
    z-index: 1;
}

.contour-lines-left {
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
}

.contour-lines-right {
    right: 20px;
    top: 50%;
    transform: translateY(-50%) scaleX(-1);
}

.contour-lines svg {
    width: 100%;
    height: 100%;
    opacity: 0.25;
}

.contour-lines path {
    fill: none;
    stroke: var(--color-primary);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-dasharray: 20 10;
    animation: contourWave 3s ease-in-out infinite;
}

.contour-lines path:nth-child(1) { animation-delay: 0s; }
.contour-lines path:nth-child(2) { animation-delay: 0.15s; }
.contour-lines path:nth-child(3) { animation-delay: 0.3s; }
.contour-lines path:nth-child(4) { animation-delay: 0.45s; }
.contour-lines path:nth-child(5) { animation-delay: 0.6s; }
.contour-lines path:nth-child(6) { animation-delay: 0.75s; }
.contour-lines path:nth-child(7) { animation-delay: 0.9s; }
.contour-lines path:nth-child(8) { animation-delay: 1.05s; }
.contour-lines path:nth-child(9) { animation-delay: 1.2s; }
.contour-lines path:nth-child(10) { animation-delay: 1.35s; }

@keyframes contourWave {
    0%, 100% {
        stroke-dashoffset: 0;
        opacity: 0.7;
    }
    50% {
        stroke-dashoffset: 30;
        opacity: 1;
    }
}

.contour-lines path:nth-child(1) { stroke-width: 2; }
.contour-lines path:nth-child(2) { stroke-width: 1.8; }
.contour-lines path:nth-child(3) { stroke-width: 1.6; }
.contour-lines path:nth-child(4) { stroke-width: 1.4; }
.contour-lines path:nth-child(5) { stroke-width: 1.2; }
.contour-lines path:nth-child(6) { stroke-width: 1; }
.contour-lines path:nth-child(7) { stroke-width: 0.9; }
.contour-lines path:nth-child(8) { stroke-width: 0.8; }
.contour-lines path:nth-child(9) { stroke-width: 0.7; }
.contour-lines path:nth-child(10) { stroke-width: 0.6; }

@keyframes contourFloat {
    0%, 100% {
        transform: translateY(-50%) translateX(0) scale(1);
    }
    25% {
        transform: translateY(-52%) translateX(5px) scale(1.02);
    }
    50% {
        transform: translateY(-50%) translateX(10px) scale(1);
    }
    75% {
        transform: translateY(-48%) translateX(5px) scale(0.98);
    }
}

@keyframes contourFloatRight {
    0%, 100% {
        transform: translateY(-50%) scaleX(-1) translateX(0) scale(1);
    }
    25% {
        transform: translateY(-48%) scaleX(-1) translateX(5px) scale(0.98);
    }
    50% {
        transform: translateY(-50%) scaleX(-1) translateX(10px) scale(1);
    }
    75% {
        transform: translateY(-52%) scaleX(-1) translateX(5px) scale(1.02);
    }
}

.contour-lines-left {
    animation: contourFloat 12s ease-in-out infinite;
}

.contour-lines-right {
    animation: contourFloatRight 12s ease-in-out infinite;
}

@media (max-width: 1200px) {
    .contour-lines {
        width: 300px;
        height: 400px;
        opacity: 0.08;
    }
    
    .contour-lines-left {
        left: -80px;
    }
    
    .contour-lines-right {
        right: -80px;
    }
}

@media (max-width: 768px) {
    .contour-lines {
        width: 120px;
        height: 180px;
    }
    
    .contour-lines svg {
        opacity: 0.15;
    }
    
    .contour-lines-left {
        left: 0;
    }
    
    .contour-lines-right {
        right: 0;
    }
}

/* ============================================
   About Section
   ============================================ */
.about-section {
    position: relative;
    background: linear-gradient(180deg, var(--color-light-gray) 0%, #e8eae6 50%, #dfe2dc 100%);
    padding: var(--spacing-xxl) 0;
}

.about-section::before {
    display: none;
}

.about-section .container {
    position: relative;
    z-index: 1;
}

.about-header {
    width: 100%;
    padding: 0 0 var(--spacing-md);
    text-align: center;
}

.about-panel-line {
    display: none; /* decorative line removed per stakeholder request */
}

.about-panel-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

/* i-Search brand: Libre Baskerville italic “i” (all instances) */
.isearch-brand-i,
.about-i-playfair {
    font-family: 'Libre Baskerville', serif;
    font-style: italic;
    font-weight: 600;
    font-size: 1.1em;
    color: var(--text-primary);
}

/* In dark areas (e.g. footer), keep the “i” readable */
.footer .isearch-brand-i {
    color: currentColor;
}

.about-panel-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.about-content-box {
    width: 100%;
    border-top: 1px solid var(--color-gray);
    border-bottom: 1px solid var(--color-gray);
    background: rgba(255, 255, 255, 0.5);
    padding: 0;
    margin-bottom: var(--spacing-xl);
}

.about-content-box .container {
    padding-top: 0;
    padding-bottom: 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: stretch;
    min-height: 280px;
}

.about-intro {
    text-align: left;
    align-self: start;
    margin-top: 0;
    padding-top: 2rem;
}

.about-intro .about-panel-title {
    margin-top: 0;
}

.about-intro p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.about-intro p:last-child {
    margin-bottom: 0;
}

.about-intro a {
    color: var(--color-primary);
    text-decoration: none;
}

.about-intro a:hover {
    text-decoration: underline;
}

.about-grid {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 0;
    height: 100%;
    min-height: 0;
}

.about-text-block {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex: 0 0 auto;
    min-height: 0;
    padding: 0.75rem var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: 0;
    border-bottom: none;
    border: 1px solid var(--color-gray);
    transition: background var(--transition-base), border-color var(--transition-base);
}

.about-text-block:last-child {
    border-bottom: none;
}

.about-text-block:hover {
    background: rgba(255, 255, 255, 0.85);
    border-bottom-color: var(--color-primary);
}

.about-text-block h3 {
    color: var(--text-primary);
    margin-bottom: 0.35rem;
    font-size: var(--font-size-xl);
}

.about-advantages-list {
    list-style: disc;
    padding-left: 1.25rem;
    margin: 0;
    line-height: 1.7;
}

.about-text-block h3 + .about-advantages-list {
    margin-top: 0.25rem;
}

/* (Mission card heading underline removed per latest request) */

.about-text-block p {
    font-size: var(--font-size-base);
    line-height: 1.8;
    color: var(--text-secondary);
}

.about-text-block .about-advantages-list strong {
    color: var(--text-primary);
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   Services Section
   ============================================ */
.services-section {
    background-color: var(--color-light-gray);
    position: relative;
}

.services-carousel-outer {
    margin-top: var(--spacing-lg);
}

.services-carousel {
    display: flex;
    flex-direction: column;
    gap: 0;
    position: relative;
}

.services-carousel-btn {
    display: none;
}

.services-carousel-btn:hover {
    background: var(--color-light-gray);
    border-color: var(--color-primary);
    transform: scale(1.05);
}

.services-carousel-viewport {
    flex: 1;
    overflow: visible;
    position: relative;
    min-height: auto;
    display: block;
}

.services-carousel-track {
    display: flex;
    align-items: stretch;
    justify-content: stretch;
    flex-wrap: nowrap;
    gap: 0;
    padding: 0;
    width: 100%;
}

.services-carousel-slide {
    flex: 1 1 0;
    width: auto;
    cursor: pointer;
    position: relative;
    border-radius: 0;
    overflow: hidden;
    background: var(--color-white);
    border: 2px solid var(--color-gray);
    transform-origin: center center;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.services-carousel-slide:hover {
    border-color: var(--color-primary);
    box-shadow: 0 6px 20px rgba(74, 93, 35, 0.15);
}

.services-carousel-slide.active {
    transform: scale(1.18) translateY(-15px);
    box-shadow: 0 40px 80px -20px rgba(0, 0, 0, 0.5);
    z-index: 10;
    border-color: var(--color-primary);
}

@media (max-width: 768px) {
    .services-carousel-viewport {
        overflow-x: auto;
        overflow-y: hidden;
        -webkit-overflow-scrolling: touch;
        width: 100%;
    }

    .services-carousel-track {
        width: max-content;
        flex-wrap: nowrap;
        gap: var(--spacing-sm);
        padding: 0 var(--spacing-xs);
    }

    /* Fixed card width on mobile so one image doesn’t fill the screen; allows horizontal scroll */
    .services-carousel-slide {
        flex: 0 0 auto;
        width: 72vw;
        min-width: 200px;
        max-width: 280px;
    }

    .services-carousel-slide.active {
        transform: scale(1.02) translateY(-4px);
    }
}

.services-slide-photo {
    aspect-ratio: 400 / 280;
    background: var(--color-light-gray);
    overflow: hidden;
}

.services-slide-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.services-slide-title {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    text-align: center;
    font-size: var(--font-size-sm);
}

.services-detail {
    margin-top: 0;
    padding: var(--spacing-lg);
    background: var(--color-white);
    border-radius: 0;
    border: 1px solid var(--color-gray);
    border-top: none;
}

.services-detail-panel:not([hidden]) {
    animation: serviceDetailIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes serviceDetailIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.services-detail-panel .services-detail-title {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: clamp(1.35rem, 1.2rem + 0.7vw, 1.9rem);
    text-align: center;
}

.services-detail-panel .services-detail-subtitle {
    font-size: clamp(1rem, 0.94rem + 0.3vw, 1.2rem);
    font-weight: 500;
    color: #475569;
    line-height: 1.4;
    margin-top: -0.15rem;
    margin-bottom: 0.4rem;
}

.services-detail-panel .service-description {
    margin-bottom: var(--spacing-sm);
}

.service-description {
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: var(--spacing-sm);
}

.service-subhead {
    margin-bottom: 0.2rem;
}

.service-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-sm) 0;
    column-count: 2;
    column-gap: var(--spacing-md);
}

.service-description.service-subhead + .service-benefits {
    margin-top: 0;
}

.service-benefits + .service-description.service-subhead {
    margin-top: 0.35rem;
}

.service-benefits li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    color: var(--text-secondary);
    position: relative;
    line-height: 1.6;
    break-inside: avoid;
}

.service-benefits li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-lg);
}

@media (max-width: 768px) {
    .service-benefits {
        column-count: 1;
    }
}

/* ============================================
   Products Section
   ============================================ */
.products-section {
    position: relative;
    background-color: var(--products-bg);
    overflow: hidden;
}

.products-ripples-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    display: block;
}

.products-section-container {
    position: relative;
    z-index: 1;
}

.products-section .product-pill {
    background: var(--products-bg-subtle);
    border-color: var(--products-border);
}
/* Non-active pills: keep label readable on white hover (explicit color + reset gradient text inheritance) */
.products-section .product-pill:hover:not(.active) {
    background: var(--color-white);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
    -webkit-text-fill-color: currentColor;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}
.products-section .product-pill.active:hover {
    color: var(--text-white);
    -webkit-text-fill-color: currentColor;
}
.products-section .product-detail-card {
    background: rgba(255, 255, 255, 0.95);
    border-color: var(--products-border);
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: min(100%, 1080px);
    border-radius: 16px;
    padding: clamp(1.25rem, 1.1rem + 0.6vw, 2rem);
}

.products-section .product-detail-title {
    font-size: clamp(1.35rem, 1.2rem + 0.7vw, 1.9rem);
    line-height: 1.25;
    letter-spacing: 0.01em;
    margin-bottom: 0.55rem;
    text-align: center;
}

.products-section .product-detail-summary {
    color: #334155;
    line-height: 1.8;
    font-size: clamp(0.98rem, 0.95rem + 0.12vw, 1.06rem);
    margin-bottom: 0.5rem;
}

.products-section .product-detail-summary strong {
    display: inline-block;
    color: #1f2937;
    font-weight: 700;
    letter-spacing: 0.01em;
    margin-top: 0.08rem;
    margin-bottom: 0.04rem;
}

.products-section .product-detail-bullets {
    margin: 0.1rem 0 0.65rem;
    padding: 0.25rem 0.4rem 0.2rem;
    column-gap: clamp(1rem, 0.8rem + 0.8vw, 1.8rem);
}

.products-section .product-detail-bullets li {
    background: transparent;
    border: none;
    border-radius: 0;
    padding: 0.42rem 0.62rem 0.42rem 1.55rem;
    margin-bottom: 0.28rem;
    line-height: 1.55;
}

.products-section .product-detail-bullets li::before {
    left: 0.45rem;
    top: 0.4rem;
    font-size: 0.95rem;
}

.products-section .product-detail-more {
    margin-top: 0.7rem;
}

.products-section .product-detail-layout {
    display: grid;
    gap: clamp(1rem, 0.75rem + 1vw, 1.75rem);
    align-items: start;
    margin-top: 0.35rem;
    margin-bottom: 0.35rem;
}

.products-section .product-detail-layout--3col {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.products-section .product-detail-layout--2col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.products-section .product-detail-stack .product-detail-summary:last-child {
    margin-bottom: 0;
}

.products-section .product-detail-layout .product-detail-bullets {
    column-count: 1;
}

/* Company / BR: Option 1 & 2 in 1:1 columns (vertical ticks); BR full width, 3 ticks in a row */
.products-section .product-company-options.product-detail-layout--2col {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.products-section .product-company-br {
    margin-top: clamp(0.75rem, 0.5rem + 0.8vw, 1.25rem);
}

.products-section .product-detail-bullets--company-br-horizontal {
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    gap: clamp(0.65rem, 0.5rem + 0.5vw, 1rem);
    margin-top: 0.35rem;
    margin-bottom: 0;
    padding: 0;
    column-count: 1;
}

.products-section .product-detail-bullets--company-br-horizontal li {
    flex: 1 1 0;
    min-width: 0;
    margin-bottom: 0;
    box-sizing: border-box;
}

@media (max-width: 640px) {
    .products-section .product-detail-bullets--company-br-horizontal {
        flex-direction: column;
        align-items: stretch;
    }

    .products-section .product-detail-bullets--company-br-horizontal li {
        flex: none;
        width: 100%;
    }
}

.products-section .product-detail-notes {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray, #e5e7eb);
    font-size: clamp(0.88rem, 0.84rem + 0.12vw, 0.95rem);
    color: var(--text-secondary, #64748b);
}

.products-section .product-detail-notes .product-detail-summary {
    color: inherit;
}

.products-section .product-detail-notes .product-detail-bullets li {
    color: inherit;
}

.products-section .product-detail-notes .product-detail-notes-list {
    list-style: disc;
    list-style-position: outside;
    margin: 0.4rem 0 0;
    padding-left: 1.35em;
}

.products-section .product-detail-notes .product-detail-notes-list li {
    position: static;
    padding: 0.2rem 0 0.2rem 0.2rem;
    margin-bottom: 0.15rem;
    line-height: 1.55;
    color: inherit;
}

.products-section .product-detail-notes .product-detail-notes-list li::before {
    content: none;
    display: none;
}

.products-section .product-others-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 0.75rem + 1vw, 1.5rem);
    margin-top: 0.5rem;
}

.products-section .product-others-item {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--products-border, var(--color-gray));
    border-radius: 12px;
    padding: clamp(0.75rem, 0.6rem + 0.5vw, 1rem);
}

.products-section .product-others-item .product-detail-summary:last-child {
    margin-bottom: 0;
}

@media (max-width: 900px) {
    .products-section .product-detail-layout--3col,
    .products-section .product-detail-layout--2col:not(.product-company-options) {
        grid-template-columns: 1fr;
    }

    .products-section .product-others-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .products-section .product-detail-bullets {
        column-count: 1;
    }
}

@media (max-width: 560px) {
    .products-section .product-company-options.product-detail-layout--2col {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 520px) {
    .products-section .product-others-grid {
        grid-template-columns: 1fr;
    }
}

.products-pills {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.product-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1.25rem;
    border-radius: 9999px;
    background: var(--color-light-gray);
    border: 1px solid var(--color-gray);
    color: var(--color-primary);
    -webkit-text-fill-color: currentColor;
    font-weight: var(--font-weight-medium);
    font-family: inherit;
    font-size: inherit;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base);
    white-space: nowrap;
}

.product-pill:hover:not(.active) {
    background: var(--color-white);
    border-color: var(--color-primary);
    color: var(--color-primary-dark);
    -webkit-text-fill-color: currentColor;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    transform: translateY(-1px);
}

.product-pill.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
    -webkit-text-fill-color: currentColor;
    box-shadow: 0 4px 12px rgba(74, 93, 35, 0.25);
}

.product-panels {
    margin-top: var(--spacing-md);
    min-height: 360px;
}

.product-detail-panel {
    animation: productPanelFade 0.25s ease-out;
    min-height: 360px;
}

@keyframes productPanelFade {
    from { opacity: 0; }
    to { opacity: 1; }
}

.product-detail-card {
    background: var(--color-light-gray);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.product-detail-title {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
    font-size: var(--font-size-xl);
}

.product-detail-summary {
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.product-detail-bullets {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-md);
    column-count: 2;
    column-gap: var(--spacing-lg);
}

.product-detail-bullets li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--text-secondary);
    line-height: 1.6;
    break-inside: avoid;
}

.product-detail-bullets li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: var(--font-weight-bold);
}

.product-detail-samples {
    margin-bottom: var(--spacing-sm);
}

.product-detail-samples .btn {
    margin-right: var(--spacing-xs);
}

/* Sample links: pill-shaped olive gradient (Our Products + Our Services — same logic) */
.products-section .product-detail-samples .btn,
.product-page-section .product-detail-samples .btn,
.product-page-section .product-samples .btn,
.product-detail-samples .btn,
.services-section .service-sample .btn,
.services-detail .service-sample .btn {
    border-radius: 9999px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border: none;
    color: var(--color-white);
    text-transform: none;
    letter-spacing: normal;
    transition: background var(--transition-base), box-shadow var(--transition-base), transform var(--transition-fast);
}

.products-section .product-detail-samples .btn:hover,
.product-page-section .product-detail-samples .btn:hover,
.product-page-section .product-samples .btn:hover,
.product-detail-samples .btn:hover,
.services-section .service-sample .btn:hover,
.services-detail .service-sample .btn:hover {
    background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
    box-shadow: 0 4px 12px rgba(74, 93, 35, 0.3);
    transform: translateY(-1px);
    color: var(--color-white);
}

.product-detail-more {
    margin-top: var(--spacing-md);
    margin-bottom: 0;
}

@media (max-width: 600px) {
    .product-pill {
        flex: 1 1 calc(50% - var(--spacing-sm));
        justify-content: center;
        min-height: 44px;
        padding: 0.75rem 1.25rem;
    }
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.product-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    opacity: 1;
    transform: scale(1);
    transition: opacity var(--transition-base), transform var(--transition-base);
    cursor: pointer;
    background: var(--color-white);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.product-item.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
    position: absolute;
    visibility: hidden;
}

.product-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
    background-color: var(--color-light-gray);
    aspect-ratio: 4 / 3;
    transform-style: preserve-3d;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    margin-bottom: var(--spacing-sm);
}

.product-item:hover .product-image-wrapper {
    transform: perspective(1000px) rotateY(5deg) rotateX(5deg) scale(1.02);
    box-shadow: 
        0 25px 50px -12px rgba(74, 93, 35, 0.25),
        0 10px 20px -5px rgba(74, 93, 35, 0.15);
}

.product-image-wrapper::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(74, 93, 35, 0.1), rgba(154, 166, 92, 0.1));
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 1;
}

.product-item:hover .product-image-wrapper::before {
    opacity: 1;
}

.product-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform var(--transition-slow);
}

.product-image-wrapper:hover .product-image {
    transform: scale(1.15);
}

.product-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.85), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    padding: var(--spacing-md);
    color: var(--color-white);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: 2;
}

.product-image-wrapper:hover .product-overlay {
    opacity: 1;
}

.product-view-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 50%;
    color: var(--color-primary);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform var(--transition-base), background-color var(--transition-fast);
    z-index: 3;
}

.product-item:hover .product-view-btn {
    transform: translate(-50%, -50%) scale(1);
}

.product-view-btn:hover {
    background-color: var(--color-white);
    transform: translate(-50%, -50%) scale(1.1);
}

.product-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    color: var(--color-white);
}

.product-category {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.products-cta {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--color-light-gray);
    border-radius: var(--radius-lg);
}

.products-cta h3 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.products-cta p {
    font-size: var(--font-size-lg);
    color: var(--text-secondary);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-section {
    position: relative;
    background: linear-gradient(180deg, var(--color-light-gray) 0%, #e8eae6 50%, #dfe2dc 100%);
}

.contact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 200px,
        rgba(74, 93, 35, 0.02) 200px,
        rgba(74, 93, 35, 0.02) 400px
    );
    pointer-events: none;
}

.contact-section .container {
    position: relative;
    z-index: 1;
}

.contact-header {
    width: 100%;
    padding: 0 0 var(--spacing-lg);
    text-align: center;
}

.contact-panel-line {
    display: none; /* decorative line removed per stakeholder request */
}

.contact-panel-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.contact-panel-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: var(--spacing-xl);
    align-items: start;
    padding-bottom: var(--spacing-xl);
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact-card {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: rgba(255, 255, 255, 0.6);
    border-radius: 0;
    border-bottom: 1px solid var(--color-gray);
    transition: background var(--transition-base), border-color var(--transition-base);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.85);
    border-bottom-color: var(--color-primary);
}

.contact-icon {
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1rem;
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.contact-details p {
    color: var(--text-secondary);
    margin: 0;
    font-size: var(--font-size-sm);
}

.contact-details a {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.contact-details a:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

.contact-form {
    text-align: left;
}

.contact-form .form-group {
    margin-bottom: var(--spacing-sm);
}

.contact-form-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.contact-form .required {
    color: #EF4444;
}

.contact-form-input,
.contact-form-textarea {
    width: 100%;
    padding: 0.625rem 0.75rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-gray);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    box-sizing: border-box;
}

.contact-form-input::placeholder,
.contact-form-textarea::placeholder {
    color: var(--color-medium-gray);
}

.contact-form-input:focus,
.contact-form-textarea:focus {
    outline: none;
    border-bottom-color: var(--color-primary);
    box-shadow: inset 0 -1px 0 0 var(--color-primary);
}

.contact-form-input:focus-visible,
.contact-form-textarea:focus-visible {
    outline: none;
    border-bottom-color: var(--color-primary);
    box-shadow: inset 0 -1px 0 0 var(--color-primary);
}

.contact-form-textarea {
    resize: vertical;
    min-height: 84px;
}

.contact-form-btn {
    width: 100%;
    padding: 0.8125rem 0;
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-base), border-color var(--transition-base), letter-spacing var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-top: 0.375rem;
}

.contact-form-btn:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    letter-spacing: 0.14em;
}

.contact-form .error-message {
    display: block;
    color: #EF4444;
    font-size: var(--font-size-sm);
    margin-top: 0.1875rem;
    min-height: 1rem;
}

.contact-form .form-message {
    margin-top: var(--spacing-sm);
    padding: var(--spacing-sm);
    text-align: center;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    display: none;
}

/* Global form-group / inputs */
.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
}

.required {
    color: #EF4444;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.875rem;
    border: 2px solid var(--color-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
    background-color: var(--color-white);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234A5D23' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 93, 35, 0.1);
    transform: translateY(-1px);
}

.form-group input:focus-visible,
.form-group textarea:focus-visible,
.form-group select:focus-visible {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(74, 93, 35, 0.1);
    transform: translateY(-1px);
}

.form-group input:valid:not(:placeholder-shown),
.form-group textarea:valid:not(:placeholder-shown) {
    border-color: #10B981;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.error-message {
    display: block;
    color: #EF4444;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
    min-height: 1.25rem;
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-align: center;
    font-weight: var(--font-weight-medium);
    display: none;
}

.contact-map {
    margin-top: var(--spacing-md);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: var(--color-gray);
    position: relative;
    padding-top: 56.25%;
}

.contact-map iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

.form-message.success {
    display: block;
    background-color: #D1FAE5;
    color: #065F46;
}

.form-message.error {
    display: block;
    background-color: #FEE2E2;
    color: #991B1B;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .about-content {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-black);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.copyright {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
}

.footer-notice {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    margin: var(--spacing-xs) 0 0 0;
}

.footer-legal {
    margin: var(--spacing-sm) 0 0 0;
}

.footer-legal a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0.5rem 0;
    color: var(--color-primary-light);
    text-decoration: none;
}

.footer-legal a:hover {
    text-decoration: underline;
}

.footer-sep {
    margin: 0 var(--spacing-xs);
    opacity: 0.7;
}

.hero-icl-notice {
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-sm);
    opacity: 0.9;
}

.hero-icl-notice a {
    color: inherit;
    text-decoration: underline;
}

.subscription-section {
    padding: var(--spacing-xxl) 0;
}

.subscription-section .section-header {
    margin-bottom: var(--spacing-xl);
}

.subscription-section .subscription-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.subscription-section .subscription-card {
    text-align: left;
    padding: var(--spacing-md);
    background: var(--color-light-gray);
    border-radius: 8px;
}

.subscription-section .subscription-card h3 {
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.subscription-terms {
    margin-top: var(--spacing-xs);
    margin-bottom: 0;
}

.subscription-terms a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
    text-decoration-thickness: 1.5px;
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
}

.subscription-terms a:hover,
.subscription-terms a:focus-visible {
    color: var(--color-primary-dark);
    text-decoration-thickness: 2px;
}

.link-accent {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.service-promises-label {
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-sm);
}

.service-sample {
    margin-top: var(--spacing-sm);
}

.service-sample .btn {
    margin-right: var(--spacing-xs);
}

.services-section .service-sample .btn:focus-visible,
.services-detail .service-sample .btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: var(--font-size-sm);
}

.products-cta {
    text-align: center;
    margin-top: var(--spacing-md);
}

.legal-section {
    padding: var(--spacing-xl) 0;
    padding-top: calc(var(--navbar-height) + var(--spacing-xl));
}

/* Legal pages must not wait for scroll-reveal (.section defaults to opacity:0 until .visible). */
.section.legal-section {
    opacity: 1 !important;
    transform: none !important;
}

.legal-content {
    max-width: 720px;
    margin: 0 auto;
    text-align: left;
}

.legal-content p {
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.legal-content .legal-h2 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    line-height: 1.35;
}

.legal-content .legal-h2:first-of-type {
    margin-top: 0;
}

.legal-content ul,
.legal-content ol.legal-ol {
    margin: var(--spacing-sm) 0 var(--spacing-md) var(--spacing-md);
    padding-left: 1.25rem;
    line-height: 1.7;
}

.legal-content ul {
    list-style: disc;
}

.legal-content ol.legal-ol li {
    margin-bottom: var(--spacing-xs);
}

.legal-footer {
    margin-top: var(--spacing-xl);
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

.legal-terms-pre {
    margin: 0;
    word-break: break-word;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.75;
    color: var(--text-secondary);
}

.legal-terms-pre .legal-terms-line {
    margin: 0 0 var(--spacing-xs);
}

.legal-terms-pre .legal-terms-line:last-child {
    margin-bottom: 0;
}

/* Main section titles inside terms body — match Disclaimer / Privacy .legal-h2 */
.legal-content .legal-terms-pre .legal-terms-section-heading {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin: var(--spacing-lg) 0 var(--spacing-sm);
    line-height: 1.35;
    color: var(--text-primary);
}

.legal-content .legal-terms-pre .legal-terms-section-heading strong {
    font-weight: 600;
    color: inherit;
}

/* Lettered sub-lists (a) b) …): tight line-by-line, no extra blank between items */
.legal-terms-pre .legal-terms-line.legal-terms-letter {
    margin-top: 0;
    margin-bottom: 0;
    line-height: 1.35;
}

.legal-terms-pre .legal-terms-paragraph-gap {
    margin: 0;
    height: var(--spacing-sm);
    pointer-events: none;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
    margin: var(--spacing-md) 0;
}

/* Product detail pages */
.product-page-section {
    padding: calc(var(--spacing-xl) + 4rem) 0 var(--spacing-xl);
}
.product-page-section .product-subtitle {
    font-size: var(--font-size-lg);
    margin: var(--spacing-md) 0 var(--spacing-sm);
    color: var(--color-primary-dark);
}
.product-page-section .product-samples {
    margin-top: var(--spacing-sm);
}
.product-page-section .product-samples .btn { margin-right: var(--spacing-xs); }
.product-page-section .coverage-table {
    width: 100%;
    max-width: 640px;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}
.product-page-section .coverage-table th,
.product-page-section .coverage-table td {
    padding: var(--spacing-xs) var(--spacing-sm);
    text-align: left;
    vertical-align: top;
}
.product-page-section .coverage-table th { font-weight: 600; }

.product-page-back-link {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 0.5rem 0;
}

.login-section .login-form-wrapper {
    max-width: 400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.login-forgot {
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

/* ============================================
   Login Drawer
   ============================================ */
.login-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: 1400;
}

.login-drawer-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.login-drawer {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(380px, 100%);
    max-width: 100%;
    background: linear-gradient(180deg, var(--color-light-gray) 0%, #e8eae6 50%, #dfe2dc 100%);
    box-shadow: -2px 0 24px rgba(0, 0, 0, 0.2);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 1500;
    display: flex;
    flex-direction: column;
    padding: 0;
}

.login-drawer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 200px,
        rgba(74, 93, 35, 0.02) 200px,
        rgba(74, 93, 35, 0.02) 400px
    );
    pointer-events: none;
}

.login-drawer.open {
    transform: translateX(0);
}

.login-drawer-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.login-drawer-close:hover {
    color: var(--color-primary);
}

.login-drawer-body {
    flex: 1;
    overflow-y: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.login-drawer-container {
    width: 100%;
    max-width: 320px;
    text-align: center;
    animation: loginDrawerFadeIn 0.5s ease-out;
}

@keyframes loginDrawerFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.login-drawer-line {
    display: none;
}

.login-drawer-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.login-drawer-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-xl) 0;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.login-drawer-form .form-group {
    margin-bottom: var(--spacing-lg);
    text-align: left;
}

.login-drawer-label {
    display: block;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.login-drawer-input {
    width: 100%;
    padding: 0.75rem 0.875rem;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-gray);
    color: var(--text-primary);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
    box-sizing: border-box;
}

.login-drawer-input::placeholder {
    color: var(--color-medium-gray);
}

.login-drawer-input:focus {
    outline: none;
    border-bottom-color: var(--color-primary);
    box-shadow: inset 0 -1px 0 0 var(--color-primary);
}

.login-drawer-input:focus-visible {
    outline: none;
    border-bottom-color: var(--color-primary);
    box-shadow: inset 0 -1px 0 0 var(--color-primary);
}

.login-drawer-btn {
    width: 100%;
    padding: 0.8125rem 0;
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-base), border-color var(--transition-base), letter-spacing var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-top: var(--spacing-sm);
}

.login-drawer-btn:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    letter-spacing: 0.14em;
}

.login-drawer-checkbox-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-lg);
    padding: 0.5rem 0;
    min-height: 44px;
    text-align: left;
}

.login-drawer-checkbox-wrapper {
    position: relative;
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

.login-drawer-checkbox-input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.login-drawer-checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--color-dark-gray);
    background: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: border-color var(--transition-base), background var(--transition-base);
    pointer-events: none;
}

.login-drawer-checkbox-input:checked ~ .login-drawer-checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.login-drawer-checkbox-input:checked ~ .login-drawer-checkbox-custom::after {
    content: '✓';
    color: var(--color-white);
    font-size: 0.75rem;
    font-weight: bold;
}

.login-drawer-checkbox-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    cursor: pointer;
    -webkit-user-select: none;
    user-select: none;
    font-weight: 400;
}

.login-drawer-form .login-forgot {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-sm);
}

.login-drawer-form .login-forgot a {
    color: var(--color-primary);
}

.login-drawer-form .login-forgot a:hover {
    text-decoration: underline;
}

.login-drawer-footer {
    margin-top: auto;
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 1px solid var(--color-gray);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
    background: rgba(255, 255, 255, 0.5);
}

.login-drawer-notice {
    font-size: var(--font-size-sm);
    color: var(--text-light);
    margin: 0;
}

/* ============================================
   Contact Drawer
   ============================================ */
.contact-drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: 1400;
}

.contact-drawer-backdrop.open {
    opacity: 1;
    visibility: visible;
}

/* ============================================
   Site Notice Modal (first-visit popup)
   ============================================ */
.site-notice-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    z-index: 1600;
}

.site-notice-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.site-notice-modal {
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -48%) scale(0.98);
    width: min(720px, calc(100% - 2rem));
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(229, 231, 235, 0.9);
    border-radius: 14px;
    box-shadow: 0 20px 70px rgba(0, 0, 0, 0.35);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base), transform var(--transition-base);
    z-index: 1700;
    padding: var(--spacing-lg);
}

.site-notice-modal.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

.site-notice-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.site-notice-title {
    margin: 0;
    font-size: var(--font-size-2xl);
    color: var(--text-primary);
}

.site-notice-close {
    appearance: none;
    border: 0;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.25rem 0.4rem;
    font-size: 1.25rem;
    line-height: 1;
}

.site-notice-body {
    color: var(--text-secondary);
    line-height: 1.7;
}

.site-notice-section {
    margin: 0;
}

.site-notice-section + .site-notice-section {
    margin-top: var(--spacing-sm);
}

.site-notice-section-title {
    display: block;
    color: var(--text-primary);
    font-weight: var(--font-weight-bold);
    margin-bottom: 0.2rem;
}

.site-notice-actions {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

.contact-drawer {
    position: fixed;
    top: 0;
    right: 0;
    height: 100vh;
    width: min(380px, 100%);
    max-width: 100%;
    background: linear-gradient(180deg, var(--color-light-gray) 0%, #e8eae6 50%, #dfe2dc 100%);
    box-shadow: -2px 0 24px rgba(0, 0, 0, 0.2);
    transform: translateX(100%);
    transition: transform var(--transition-base);
    z-index: 1500;
    display: flex;
    flex-direction: column;
    padding: 0;
}

.contact-drawer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 200px,
        rgba(74, 93, 35, 0.02) 200px,
        rgba(74, 93, 35, 0.02) 400px
    );
    pointer-events: none;
}

.contact-drawer.open {
    transform: translateX(0);
}

.contact-drawer-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    min-width: 44px;
    min-height: 44px;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
}

.contact-drawer-close:hover {
    color: var(--color-primary);
}

.contact-drawer-body {
    flex: 1;
    overflow-y: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-xl) var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.contact-drawer-container {
    width: 100%;
    max-width: 320px;
    text-align: center;
    animation: contactDrawerFadeIn 0.5s ease-out;
}

@keyframes contactDrawerFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.contact-drawer-line {
    display: none;
}

.contact-drawer-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-xs) 0;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.contact-drawer-subtitle {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    margin: 0 0 var(--spacing-md) 0;
    font-weight: 400;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.contact-drawer .contact-form {
    text-align: left;
}

.contact-cta {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid var(--color-gray);
    min-height: 160px;
}

.contact-cta-text {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    text-align: center;
}

.contact-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.8125rem 1.5rem;
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    font-family: var(--font-family);
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-base), border-color var(--transition-base), letter-spacing var(--transition-base);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.contact-cta-btn:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    letter-spacing: 0.1em;
}

body.no-scroll {
    overflow: hidden;
}

/* ============================================
   Back to Top Button
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-base);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-3px);
}

/* ============================================
   Lightbox Modal
   ============================================ */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-base), visibility var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox.active {
    opacity: 1;
    visibility: visible;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.lightbox-image {
    max-width: 100%;
    max-height: 80vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: scale(0.8);
    transition: transform var(--transition-base);
}

.lightbox.active .lightbox-image {
    transform: scale(1);
}

.lightbox-caption {
    margin-top: var(--spacing-md);
    color: var(--color-white);
    font-size: var(--font-size-lg);
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.lightbox.active .lightbox-caption {
    opacity: 1;
    transform: translateY(0);
}

.lightbox-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.lightbox-close:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: rotate(90deg) scale(1.1);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: var(--color-white);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    visibility: hidden;
}

.lightbox.active .lightbox-nav {
    opacity: 1;
    visibility: visible;
}

.lightbox-prev {
    left: var(--spacing-md);
}

.lightbox-next {
    right: var(--spacing-md);
}

.lightbox-nav:hover {
    background-color: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
}

@media (max-width: 768px) {
    .lightbox-nav {
        width: 44px;
        height: 44px;
        font-size: 1rem;
    }
    
    .lightbox-prev {
        left: var(--spacing-sm);
    }
    
    .lightbox-next {
        right: var(--spacing-sm);
    }
    
    .lightbox-close {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        width: 44px;
        height: 44px;
        font-size: 1.25rem;
    }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-xxl: 4rem;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.5rem;
        --spacing-lg: 2rem;
        --spacing-xl: 2.5rem;
        --spacing-xxl: 3rem;
    }
    
    /* Sections visible immediately on mobile – no scroll-triggered fade (avoids white/blank while scrolling) */
    .section {
        padding: var(--spacing-xl) 0;
        opacity: 1;
        transform: none;
        transition: none;
    }
    
    .services-grid,
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-cta-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-cta-group .btn {
        width: 100%;
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: var(--spacing-md);
    }
    
    .btn-sm {
        min-height: 44px;
        padding: 0.75rem 1.25rem;
    }
    
    .product-detail-bullets {
        column-count: 1;
    }
    
    .product-panels,
    .product-detail-panel {
        min-height: 280px;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .hero {
        min-height: 80vh;
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
    text-align: center;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}