/* ==========================================================================
   駿崙生物科技 - style.css (Premium Design System)
   ========================================================================== */

/* --- CSS Variables & Design Tokens --- */
:root {
    /* Harmonious Bright Blue & Vibrant Green Palette */
    --color-primary: hsl(208, 100%, 48%);       /* Electric Bright Blue */
    --color-primary-hover: hsl(208, 100%, 42%);
    --color-primary-light: hsl(208, 100%, 96%);
    
    --color-secondary: hsl(150, 82%, 40%);     /* Biotech Green */
    --color-secondary-hover: hsl(150, 82%, 35%);
    --color-secondary-light: hsl(150, 82%, 96%);

    --color-accent: hsl(190, 95%, 45%);        /* Bright Cyan */
    
    /* Neutral & Backgrounds */
    --color-dark: hsl(220, 24%, 12%);          /* Charcoal/Navy Deep Blue */
    --color-text: hsl(220, 16%, 22%);          /* Crisp dark text */
    --color-text-muted: hsl(220, 10%, 48%);    /* Subtitle/mute text */
    --color-bg: hsl(210, 30%, 98%);            /* Off-white canvas */
    --color-bg-white: hsl(0, 0%, 100%);
    --color-border: hsl(210, 20%, 90%);
    
    /* Premium Gradients */
    --gradient-blue-green: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    --gradient-blue-cyan: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    --gradient-green-cyan: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
    --gradient-hero: linear-gradient(180deg, hsl(210, 40%, 95%) 0%, var(--color-bg) 100%);
    
    /* Typography */
    --font-primary: 'Noto Sans TC', sans-serif;
    --font-display: 'Outfit', 'Noto Sans TC', sans-serif;
    
    /* Shadows & Effects */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-premium: 0 30px 60px -15px rgba(0, 128, 255, 0.15);
    
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    
    --max-width: 1200px;
}

/* --- Reset & Global Styles --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg);
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-right: auto;
    margin-left: auto;
    padding-right: 24px;
    padding-left: 24px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    color: var(--color-dark);
    font-weight: 700;
    line-height: 1.3;
}

p {
    font-size: 1rem;
    color: var(--color-text-muted);
}

/* --- Custom Utilities & Buttons --- */
.highlight {
    background: var(--gradient-blue-green);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 6px 16px;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--color-primary);
    background-color: var(--color-primary-light);
    border-radius: var(--radius-full);
    border: 1px solid rgba(0, 128, 255, 0.2);
    margin-bottom: 20px;
    text-transform: uppercase;
}

.section-padding {
    padding: 100px 0;
}

.text-center {
    text-align: center;
}

.section-header {
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-subtitle {
    font-family: var(--font-display);
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--color-secondary);
    display: block;
    margin-bottom: 12px;
    text-transform: uppercase;
}

.section-title {
    font-size: 2.25rem;
    margin-bottom: 20px;
}

.header-line {
    width: 80px;
    height: 4px;
    background: var(--gradient-blue-green);
    margin: 0 auto 24px auto;
    border-radius: var(--radius-full);
}

.section-desc {
    font-size: 1.1rem;
}

/* --- Buttons --- */
.btn {
    display: inline-inline-flex;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--gradient-blue-green);
    color: var(--color-bg-white);
    box-shadow: 0 4px 14px rgba(0, 128, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 128, 255, 0.4);
    opacity: 0.95;
}

.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-bg-white);
    box-shadow: 0 4px 14px rgba(27, 194, 119, 0.3);
}

.btn-secondary:hover {
    background-color: var(--color-secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(27, 194, 119, 0.4);
}

.btn-outline {
    background: transparent;
    color: var(--color-dark);
    border-color: var(--color-border);
}

.btn-outline:hover {
    background-color: var(--color-primary-light);
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-secondary-outline {
    background: transparent;
    color: var(--color-secondary);
    border-color: var(--color-secondary);
}

.btn-secondary-outline:hover {
    background-color: var(--color-secondary-light);
    color: var(--color-secondary-hover);
}

.btn-outline-white {
    background: transparent;
    color: var(--color-bg-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline-white:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-bg-white);
}

.btn-block {
    width: 100%;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    transition: var(--transition-fast);
}

#main-header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--color-border);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--color-dark);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: var(--gradient-blue-green);
    color: var(--color-bg-white);
    border-radius: var(--radius-sm);
    font-size: 1.25rem;
}

.logo-text span {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--color-text-muted);
    margin-left: 4px;
}

.nav-links {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 32px;
}

.nav-link {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    padding: 6px 0;
    transition: var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-blue-green);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 26px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.mobile-nav-toggle .bar {
    width: 100%;
    height: 3px;
    background-color: var(--color-dark);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

/* ==========================================================================
   Hero Section (Premium Biotech Visuals)
   ========================================================================== */
.hero-section {
    position: relative;
    padding-top: 160px;
    padding-bottom: 100px;
    background: var(--gradient-hero);
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(0, 128, 255, 0.05) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.hero-shapes .shape {
    position: absolute;
    border-radius: var(--radius-full);
    filter: blur(100px);
    opacity: 0.15;
    pointer-events: none;
    z-index: 0;
}

.shape-1 {
    top: -100px;
    right: -100px;
    width: 500px;
    height: 500px;
    background: var(--color-primary);
}

.shape-2 {
    bottom: -150px;
    left: -150px;
    width: 450px;
    height: 450px;
    background: var(--color-secondary);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 620px;
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 24px;
    letter-spacing: -1px;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 36px;
    color: hsl(220, 16%, 32%);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    border-top: 1px solid var(--color-border);
    padding-top: 32px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

/* Glassmorphism Interactive Graphic */
.hero-visual {
    position: relative;
    height: 480px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.glass-card-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.glass-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.45);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.glass-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.85);
    background: rgba(255, 255, 255, 0.55);
}

.main-glass-card {
    top: 50px;
    left: 40px;
    width: 80%;
    z-index: 5;
    border-top: 1px solid rgba(255, 255, 255, 0.85);
}

.main-glass-card .card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-blue-green);
}

.icon-box {
    width: 54px;
    height: 54px;
    background: var(--gradient-blue-green);
    color: var(--color-bg-white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.main-glass-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.main-glass-card p {
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.tech-tags {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.tech-tags .tag {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-secondary);
    background-color: var(--color-secondary-light);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    gap: 6px;
}

.sub-glass-card-1 {
    bottom: 30px;
    right: 20px;
    width: 60%;
    padding: 16px 24px;
    z-index: 10;
    box-shadow: 0 20px 40px -10px rgba(27, 194, 119, 0.15);
}

.sub-card-content {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mini-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--color-bg-white);
}

.sub-glass-card-1 .mini-icon {
    background: var(--color-secondary);
}

.sub-glass-card-2 .mini-icon {
    background: var(--color-primary);
}

.sub-card-content h4 {
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.sub-card-content p {
    font-size: 0.8rem;
}

.sub-glass-card-2 {
    top: 20px;
    right: -10px;
    width: 55%;
    padding: 16px 24px;
    z-index: 4;
}

/* ==========================================================================
   Core Value Section
   ========================================================================== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.value-card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-lg);
    padding: 45px 35px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(0, 128, 255, 0.15);
}

.value-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--color-bg-white);
    margin-bottom: 28px;
}

.blue-gradient {
    background: var(--gradient-blue-cyan);
}

.green-gradient {
    background: var(--gradient-green-cyan);
}

.mix-gradient {
    background: var(--gradient-blue-green);
}

.value-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.value-card p {
    font-size: 0.95rem;
    line-height: 1.75;
}

/* ==========================================================================
   Service Features Section
   ========================================================================== */
.services-section {
    background-color: var(--color-bg-white);
}

.feature-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    margin-bottom: 100px;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-row.reverse {
    direction: rtl;
}

.feature-row.reverse .feature-content {
    direction: ltr; /* Reset text direction */
}

.feature-content {
    max-width: 520px;
}

.feature-num {
    font-family: var(--font-display);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1;
    background: var(--gradient-blue-green);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0.3;
    display: block;
    margin-bottom: 16px;
}

.feature-content h3 {
    font-size: 1.85rem;
    margin-bottom: 20px;
}

.feature-content p {
    font-size: 1.05rem;
    margin-bottom: 28px;
    color: hsl(220, 12%, 36%);
}

.feature-bullets {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.feature-bullets li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--color-dark);
    font-size: 0.95rem;
}

.feature-bullets li i {
    color: var(--color-primary);
    font-size: 1rem;
}

.feature-row.reverse .feature-bullets li i {
    color: var(--color-secondary);
}

/* Feature Visual Layouts */
.feature-visual-box {
    position: relative;
    height: 360px;
    width: 100%;
}

.feature-card-decoration {
    position: absolute;
    width: 100%;
    height: 100%;
    border-radius: var(--radius-lg);
    opacity: 0.08;
    z-index: 1;
}

.blue-bg {
    background-color: var(--color-primary);
    top: 20px;
    left: 20px;
}

.green-bg {
    background-color: var(--color-secondary);
    top: 20px;
    right: 20px;
}

.mix-bg {
    background: var(--gradient-blue-green);
    top: 20px;
    left: 20px;
}

.feature-inner-card {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    z-index: 2;
    padding: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

/* Feature 1 Visual: Lab Analyzer Simulator */
.formula-lab {
    width: 100%;
}

.lab-title {
    font-family: var(--font-display);
    font-weight: 700;
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.formula-progress {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 24px;
}

.prog-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.prog-item span {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--color-dark);
}

.bar-container {
    width: 100%;
    height: 8px;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.fill-bar {
    height: 100%;
    border-radius: var(--radius-full);
    background: var(--gradient-blue-cyan);
    transition: var(--transition-slow);
}

.lab-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background-color: var(--color-secondary-light);
    color: var(--color-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: var(--radius-full);
}

/* Feature 2 Visual: Dosage Forms grid */
.dosage-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    width: 100%;
}

.dosage-item {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-md);
    padding: 16px;
    text-align: center;
    border: 1px solid var(--color-border);
    transition: var(--transition-fast);
}

.dosage-item:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-sm);
    transform: translateY(-4px);
}

.dosage-icon {
    font-size: 1.5rem;
    color: var(--color-secondary);
    display: inline-block;
    margin-bottom: 8px;
}

.dosage-item h5 {
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.dosage-item p {
    font-size: 0.75rem;
}

/* Feature 3 Visual: Regulatory Compliance timeline */
.compliance-box {
    width: 100%;
}

.compliance-header {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.compliance-header i {
    color: var(--color-primary);
}

.compliance-timeline {
    display: flex;
    flex-direction: column;
    gap: 20px;
    position: relative;
    padding-left: 20px;
}

.compliance-timeline::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 4px;
    width: 2px;
    height: 80%;
    background-color: var(--color-border);
}

.time-step {
    display: flex;
    gap: 16px;
    position: relative;
}

.time-step .dot {
    position: absolute;
    left: -20px;
    top: 6px;
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background-color: var(--color-border);
    border: 2px solid var(--color-bg-white);
    z-index: 2;
}

.time-step .dot.active {
    background: var(--gradient-blue-green);
    box-shadow: 0 0 8px rgba(0, 128, 255, 0.4);
}

.time-content h6 {
    font-size: 0.85rem;
    margin-bottom: 4px;
}

.time-content p {
    font-size: 0.75rem;
}

/* ==========================================================================
   Call to Action (CTA) Section
   ========================================================================== */
.cta-section {
    position: relative;
    padding: 100px 0;
    background: var(--gradient-blue-green);
    color: var(--color-bg-white);
    overflow: hidden;
    text-align: center;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M14 16H9v-5h5v5zm60 48h-5v-5h5v5zm0-48h-5v-5h5v5zm-60 48H9v-5h5v5z' fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    pointer-events: none;
}

.cta-container h2 {
    color: var(--color-bg-white);
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.cta-container p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 750px;
    margin: 0 auto 40px auto;
    font-size: 1.15rem;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.cta-footer-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
    font-size: 0.9rem;
    font-weight: 600;
}

.cta-footer-info span {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==========================================================================
   VIP FAQ Section
   ========================================================================== */
.faq-section {
    background-color: var(--color-bg);
}

.faq-accordion {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.faq-item:hover {
    border-color: rgba(0, 128, 255, 0.2);
    box-shadow: var(--shadow-md);
}

.faq-trigger {
    width: 100%;
    padding: 24px 30px;
    background: transparent;
    border: none;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    cursor: pointer;
}

.faq-question {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.4;
    transition: var(--transition-fast);
}

.faq-trigger:hover .faq-question {
    color: var(--color-primary);
}

.faq-icon-box {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    font-size: 0.85rem;
    transition: var(--transition-smooth);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-smooth) ease-out;
}

.faq-content p {
    padding: 0 30px 24px 30px;
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--color-text-muted);
}

/* FAQ Active Styles */
.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: 0 10px 30px -10px rgba(0, 128, 255, 0.15);
}

.faq-item.active .faq-trigger {
    padding-bottom: 16px;
}

.faq-item.active .faq-question {
    color: var(--color-primary);
}

.faq-item.active .faq-icon-box {
    transform: rotate(180deg);
    background-color: var(--color-primary);
    color: var(--color-bg-white);
}

/* ==========================================================================
   Contact & Consultation Form
   ========================================================================== */
.contact-section {
    background-color: var(--color-bg-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 80px;
    align-items: flex-start;
}

.contact-info {
    position: sticky;
    top: 120px;
}

.contact-info h2 {
    font-size: 2.25rem;
    margin-bottom: 24px;
}

.contact-info p {
    font-size: 1.05rem;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 40px;
}

.info-item {
    display: flex;
    gap: 20px;
    align-items: center;
}

.info-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    background-color: var(--color-primary-light);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.info-item h5 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.info-item p, .info-item a {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    text-decoration: none;
    font-weight: 500;
}

.info-item a:hover {
    color: var(--color-primary);
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-link {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

.social-link:hover {
    background: var(--gradient-blue-green);
    color: var(--color-bg-white);
    border-color: transparent;
    transform: scale(1.1);
}

/* Premium Form Styling */
.contact-form-box {
    background-color: var(--color-bg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    padding: 45px;
    box-shadow: var(--shadow-md);
    position: relative;
    min-height: 520px;
}

.form-title {
    font-size: 1.35rem;
    margin-bottom: 30px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-primary);
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--color-dark);
}

.required {
    color: red;
    margin-left: 2px;
}

.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 18px;
    font-size: 0.95rem;
    background-color: var(--color-bg-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-dark);
    font-family: var(--font-primary);
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 128, 255, 0.15);
}

/* Custom Multi-Checkbox Grid */
.checkbox-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    margin-top: 4px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

/* Success Box State */
.form-success-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    height: 100%;
    padding: 40px 0;
}

.success-icon {
    font-size: 4rem;
    color: var(--color-secondary);
    margin-bottom: 24px;
    animation: scaleUp 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.form-success-box h4 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.form-success-box p {
    font-size: 0.95rem;
    max-width: 380px;
    margin: 0 auto 30px auto;
}

.hidden {
    display: none !important;
}

@keyframes scaleUp {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.main-footer {
    background-color: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 80px 0 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 0.8fr 1.2fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: var(--color-bg-white);
    margin-bottom: 24px;
}

.footer-brand .logo-text span {
    color: rgba(255, 255, 255, 0.4);
}

.brand-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    margin-bottom: 24px;
    line-height: 1.6;
}

.copyright {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
}

.footer-links h4, .footer-certifications h4 {
    color: var(--color-bg-white);
    font-size: 1.05rem;
    margin-bottom: 24px;
    font-weight: 700;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links ul a {
    color: rgba(255, 255, 255, 0.6);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-links ul a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-certifications .cert-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.cert-badge {
    font-size: 0.75rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.8);
    background-color: rgba(255, 255, 255, 0.08);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
   Smooth Scroll reveal animations
   ========================================================================== */
.card-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.card-reveal-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.card-reveal-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.card-reveal.active,
.card-reveal-left.active,
.card-reveal-right.active {
    opacity: 1;
    transform: translateY(0) translateX(0);
}

/* Floating interactive effect on cards in Hero visual */
.main-glass-card {
    animation: floatCard 6s ease-in-out infinite alternate;
}

.sub-glass-card-1 {
    animation: floatCard 5s ease-in-out infinite alternate-reverse 1s;
}

.sub-glass-card-2 {
    animation: floatCard 7s ease-in-out infinite alternate 0.5s;
}

@keyframes floatCard {
    0% { transform: translateY(0); }
    100% { transform: translateY(-12px); }
}

/* ==========================================================================
   Responsive Responsive Design (RWD)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-content h1 {
        font-size: 3rem;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 900px) {
    .section-padding {
        padding: 70px 0;
    }
    .hero-container {
        grid-template-columns: 1fr;
        gap: 60px;
        text-align: center;
    }
    .hero-content {
        max-width: 100%;
        margin: 0 auto;
    }
    .hero-cta {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .hero-visual {
        height: 380px;
        max-width: 480px;
        margin: 0 auto;
        width: 100%;
    }
    .main-glass-card {
        width: 90%;
        left: 5%;
    }
    .sub-glass-card-2 {
        right: 0px;
        width: 50%;
    }
    .sub-glass-card-1 {
        width: 55%;
        right: 5%;
    }
    .values-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    .feature-row, .feature-row.reverse {
        grid-template-columns: 1fr;
        gap: 40px;
        direction: ltr;
    }
    .feature-content {
        max-width: 100%;
    }
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    .contact-info {
        position: static;
    }
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: flex;
    }
    
    #main-nav {
        position: fixed;
        top: 80px;
        left: 100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--color-bg-white);
        z-index: 1000;
        transition: var(--transition-smooth);
        border-top: 1px solid var(--color-border);
    }
    
    #main-nav.active {
        left: 0;
    }
    
    .nav-links {
        flex-direction: column;
        padding: 40px 24px;
        gap: 28px;
        width: 100%;
    }
    
    .nav-link {
        font-size: 1.15rem;
    }
    
    .nav-btn {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    /* Toggle Mobile Hamburger cross */
    .mobile-nav-toggle.active .bar:nth-child(1) {
        transform: translateY(7.5px) rotate(45deg);
    }
    .mobile-nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .mobile-nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7.5px) rotate(-45deg);
    }
    
    .hero-content h1 {
        font-size: 2.35rem;
    }
    .section-title {
        font-size: 1.85rem;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2rem;
    }
    .hero-stats {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }
    .contact-form-box {
        padding: 24px 20px;
    }
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .btn {
        width: 100%;
    }
}