/* ==========================================================================
   CMC STEELS - Modern Industrial Design System & Dynamic Aesthetics
   Palette: Dark Metallic Slate, Molten Amber, Electric Cyan, Glass Surfaces
   ========================================================================== */

:root {
    /* Color Palette */
    --bg-dark-0: #07090E;
    --bg-dark-1: #0B0F17;
    --bg-dark-2: #121824;
    --bg-dark-3: #1A2333;

    /* Glass Surfaces */
    --surface-glass: rgba(18, 24, 36, 0.75);
    --surface-glass-card: rgba(255, 255, 255, 0.035);
    --surface-glass-hover: rgba(255, 255, 255, 0.07);
    --border-glass: rgba(255, 255, 255, 0.08);
    --border-glass-bright: rgba(255, 255, 255, 0.18);

    /* Accents */
    --amber-primary: #FF6B00;
    --amber-light: #FFA800;
    --amber-glow: rgba(255, 107, 0, 0.4);
    
    --cyan-primary: #00E5FF;
    --cyan-light: #38BDF8;
    --cyan-glow: rgba(0, 229, 255, 0.35);

    --success-green: #10B981;
    --whatsapp-green: #25D366;

    /* Text Colors */
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;

    /* Fonts */
    --font-heading: 'Outfit', -apple-system, sans-serif;
    --font-body: 'Inter', -apple-system, sans-serif;

    /* Spacing & Transitions */
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark-0);
    color: var(--text-primary);
    font-family: var(--font-body);
    overflow-x: hidden;
}

body {
    min-height: 100vh;
    line-height: 1.6;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Background Particle Canvas */
#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    pointer-events: none;
    z-index: 0;
    opacity: 0.7;
}

/* Container Utility */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.w-100 { width: 100%; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.hidden { display: none !important; }
.text-center { text-align: center; }

/* Text Gradients & Highlights */
.text-gradient-amber {
    background: linear-gradient(135deg, var(--amber-light) 0%, var(--amber-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.highlight-amber { color: var(--amber-light); font-weight: 600; }
.highlight-cyan { color: var(--cyan-primary); font-weight: 600; }
.text-amber { color: var(--amber-light); }
.text-cyan { color: var(--cyan-primary); }

/* Top Market Rates Ticker */
.top-ticker-bar {
    background: rgba(7, 9, 14, 0.95);
    border-bottom: 1px solid var(--border-glass);
    padding: 0.5rem 0;
    font-size: 0.85rem;
    position: relative;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.ticker-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.ticker-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 107, 0, 0.15);
    color: var(--amber-light);
    padding: 0.25rem 0.65rem;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.72rem;
    letter-spacing: 0.05em;
    white-space: nowrap;
    border: 1px solid rgba(255, 107, 0, 0.3);
}

.pulse-dot {
    width: 7px;
    height: 7px;
    background-color: var(--amber-light);
    border-radius: 50%;
    box-shadow: 0 0 8px var(--amber-primary);
    animation: pulseGlow 1.8s infinite;
}

@keyframes pulseGlow {
    0% { transform: scale(0.9); opacity: 0.8; }
    50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 12px var(--amber-primary); }
    100% { transform: scale(0.9); opacity: 0.8; }
}

.ticker-scroll-wrapper {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
}

.ticker-scroll {
    display: inline-flex;
    align-items: center;
    gap: 1.2rem;
    animation: tickerLoop 32s linear infinite;
}

.ticker-scroll:hover {
    animation-play-state: paused;
}

@keyframes tickerLoop {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.ticker-divider {
    color: var(--text-muted);
}

.trend-up { color: var(--success-green); font-size: 0.8rem; font-weight: 600; }
.trend-down { color: #EF4444; font-size: 0.8rem; font-weight: 600; }
.trend-stable { color: var(--text-muted); font-size: 0.8rem; }

.head-contact-link {
    color: var(--text-secondary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.head-contact-link:hover {
    color: var(--amber-light);
}

/* Header & Navigation */
.main-header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 90;
    background: var(--surface-glass);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-glass);
    transition: var(--transition-smooth);
}

.main-header.scrolled {
    background: rgba(7, 9, 14, 0.92);
    border-bottom-color: rgba(255, 107, 0, 0.25);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.logo-brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    text-decoration: none;
}

.logo-hd-wrapper {
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #FFFFFF;
    padding: 0.35rem 0.8rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 15px rgba(237, 28, 36, 0.35);
    transition: var(--transition-fast);
}

.logo-brand:hover .logo-hd-wrapper {
    transform: scale(1.04);
    box-shadow: 0 6px 20px rgba(237, 28, 36, 0.6);
}

.brand-logo-hd {
    height: 100%;
    width: auto;
    object-fit: contain;
}

.brand-logo-hd-footer {
    height: 52px;
    width: auto;
    background: #FFFFFF;
    padding: 0.4rem 0.9rem;
    border-radius: var(--radius-sm);
    box-shadow: 0 4px 15px rgba(237, 28, 36, 0.3);
    object-fit: contain;
}

.logo-text-clean {
    font-family: var(--font-heading);
    font-size: 1.55rem;
    font-weight: 900;
    letter-spacing: 0.05em;
    color: var(--text-primary);
    line-height: 1;
    display: inline-block;
    transition: var(--transition-fast);
}

.logo-brand:hover .logo-text-clean {
    transform: scale(1.03);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 1.6rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    position: relative;
    padding: 0.4rem 0;
    transition: var(--transition-fast);
}

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

.nav-link.active::after, .nav-link:hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--amber-primary), var(--amber-light));
    border-radius: 2px;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Mobile Drawer */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 28px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.hamburger-menu span {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.mobile-drawer {
    display: none;
    position: fixed;
    top: 110px;
    left: 0;
    width: 100vw;
    height: calc(100vh - 110px);
    background: rgba(7, 9, 14, 0.98);
    backdrop-filter: blur(20px);
    z-index: 85;
    padding: 2rem 1.5rem;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.mobile-drawer.open {
    transform: translateY(0);
    opacity: 1;
}

.mobile-drawer-content {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.mobile-nav-link {
    color: var(--text-primary);
    font-size: 1.15rem;
    font-family: var(--font-heading);
    font-weight: 600;
    text-decoration: none;
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 0.75rem;
}

/* Button Component System */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.btn-lg {
    padding: 0.9rem 2rem;
    font-size: 1.05rem;
}

.btn-sm {
    padding: 0.5rem 1.1rem;
    font-size: 0.85rem;
}

.btn-xs {
    padding: 0.4rem 0.9rem;
    font-size: 0.78rem;
    border-radius: var(--radius-sm);
}

.btn-primary-glow {
    background: linear-gradient(135deg, var(--amber-light) 0%, var(--amber-primary) 100%);
    color: #000;
    font-weight: 700;
    box-shadow: 0 4px 20px var(--amber-glow);
}

.btn-primary-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 107, 0, 0.6);
}

.btn-secondary-glass {
    background: var(--surface-glass-card);
    color: var(--text-primary);
    border: 1px solid var(--border-glass-bright);
    backdrop-filter: blur(10px);
}

.btn-secondary-glass:hover {
    background: var(--surface-glass-hover);
    border-color: var(--amber-light);
    color: var(--amber-light);
}

.btn-whatsapp {
    background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
    color: #FFF;
    font-weight: 700;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

/* Icons */
.icon-sm { width: 18px; height: 18px; }
.icon-md { width: 22px; height: 22px; }
.icon-check { width: 16px; height: 16px; color: var(--success-green); flex-shrink: 0; }

/* Hero Section */
.hero-section {
    position: relative;
    padding: 7rem 0 5rem;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-bg-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    filter: brightness(0.4) contrast(1.1);
    transform: scale(1.03);
    transition: transform 10s ease-out;
}

.hero-overlay-gradient {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, 
        rgba(7, 9, 14, 0.75) 0%, 
        rgba(11, 15, 23, 0.85) 50%, 
        var(--bg-dark-0) 100%);
}

.hero-grid-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
}

.hero-content-box {
    max-width: 860px;
    z-index: 10;
}

/* Futuristic & Ultra-Attractive Heroic Brand Header */
.hero-brand-heroic {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
    margin-bottom: 2rem;
    position: relative;
}

.brand-micro-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255, 107, 0, 0.12);
    border: 1px solid rgba(255, 140, 0, 0.4);
    padding: 0.35rem 1rem;
    border-radius: 30px;
    backdrop-filter: blur(12px);
    box-shadow: 0 4px 15px rgba(255, 107, 0, 0.15);
}

.tag-pulse-dot {
    width: 7px;
    height: 7px;
    background-color: var(--amber-light);
    border-radius: 50%;
    box-shadow: 0 0 12px var(--amber-primary);
    animation: pulseGlow 1.5s infinite;
}

.tag-text {
    font-size: 0.74rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    color: var(--amber-light);
    text-transform: uppercase;
}

.brand-title-flex {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.brand-logo-emblem-wrapper {
    position: relative;
    background: #FFFFFF;
    padding: 0.6rem 1.2rem;
    border-radius: 16px;
    box-shadow: 
        0 10px 30px rgba(0, 0, 0, 0.6),
        0 0 25px rgba(237, 28, 36, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 1);
    border: 2px solid rgba(255, 255, 255, 0.95);
    transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.35s ease;
    flex-shrink: 0;
}

.brand-logo-emblem-wrapper:hover {
    transform: scale(1.06) translateY(-2px);
    box-shadow: 
        0 14px 40px rgba(0, 0, 0, 0.75),
        0 0 35px rgba(237, 28, 36, 0.65);
}

.brand-logo-emblem-img {
    height: 52px;
    width: auto;
    object-fit: contain;
    display: block;
}

.logo-aura-glow {
    position: absolute;
    top: -40%;
    left: -40%;
    width: 180%;
    height: 180%;
    background: radial-gradient(circle, rgba(255, 107, 0, 0.3) 0%, transparent 70%);
    z-index: -1;
    pointer-events: none;
    border-radius: 50%;
}

.brand-main-title {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 6.5vw, 4.8rem);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: 0.04em;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.brand-cmc {
    color: #FFFFFF;
    text-shadow: 
        0 0 25px rgba(255, 255, 255, 0.4),
        0 6px 20px rgba(0, 0, 0, 0.9);
}

.brand-steels {
    background: linear-gradient(135deg, #FFFFFF 0%, #FF9900 35%, #FF3300 70%, #FFC700 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 22px rgba(255, 107, 0, 0.75));
    animation: shineGradient 5s linear infinite;
}

@keyframes shineGradient {
    0% { background-position: 0% center; }
    50% { background-position: 100% center; }
    100% { background-position: 0% center; }
}

.brand-laser-divider {
    position: relative;
    width: 100%;
    max-width: 520px;
    height: 2px;
    background: linear-gradient(90deg, var(--amber-primary) 0%, rgba(255, 107, 0, 0.4) 60%, transparent 100%);
    margin-top: 0.2rem;
    box-shadow: 0 0 12px var(--amber-primary);
}

.laser-node {
    position: absolute;
    top: -3px;
    left: 0;
    width: 8px;
    height: 8px;
    background: #FFFFFF;
    border-radius: 50%;
    box-shadow: 0 0 10px #FFFFFF, 0 0 16px var(--amber-primary);
    animation: laserScan 3.5s ease-in-out infinite alternate;
}

@keyframes laserScan {
    0% { left: 0%; }
    100% { left: 85%; }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(18, 24, 36, 0.85);
    border: 1px solid var(--amber-primary);
    color: var(--amber-light);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    padding: 0.4rem 1rem;
    border-radius: 30px;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.4rem, 5vw, 4.2rem);
    font-weight: 900;
    line-height: 1.12;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    max-width: 760px;
}

.hero-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.2rem;
    margin-bottom: 3.5rem;
}

.hero-stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
    border-top: 1px solid var(--border-glass);
    padding-top: 2rem;
}

.stat-card {
    background: var(--surface-glass-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1.2rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    backdrop-filter: blur(12px);
    transition: var(--transition-fast);
}

.stat-card:hover {
    border-color: var(--amber-light);
    transform: translateY(-3px);
}

.stat-icon-box {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.stat-number {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.78rem;
    color: var(--text-muted);
}

/* Sections Styling */
.section-padding {
    padding: 6rem 0;
    position: relative;
    z-index: 10;
}

.section-header {
    max-width: 720px;
    margin: 0 auto 4rem;
}

.section-subtitle {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--amber-light);
    letter-spacing: 0.12em;
    display: block;
    margin-bottom: 0.6rem;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.7rem);
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Interactive Calculator */
.calc-container-card {
    background: var(--bg-dark-2);
    border: 1px solid var(--border-glass-bright);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
}

.calc-tabs {
    display: flex;
    background: var(--bg-dark-1);
    border-bottom: 1px solid var(--border-glass);
}

.calc-tab-btn {
    flex: 1;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    cursor: pointer;
    transition: var(--transition-fast);
    border-bottom: 3px solid transparent;
}

.calc-tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.calc-tab-btn.active {
    color: var(--amber-light);
    border-bottom-color: var(--amber-primary);
    background: rgba(255, 107, 0, 0.06);
}

.calc-tab-content {
    display: none;
    padding: 2.5rem;
}

.calc-tab-content.active {
    display: block;
}

.calc-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

@media (max-width: 992px) {
    .calc-grid {
        grid-template-columns: 1fr;
    }
}

.calc-heading {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    border-left: 4px solid var(--amber-primary);
    padding-left: 0.75rem;
}

/* Forms */
.form-group {
    margin-bottom: 1.4rem;
}

.form-label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    background: var(--bg-dark-1);
    border: 1px solid var(--border-glass-bright);
    border-radius: var(--radius-sm);
    padding: 0.8rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    outline: none;
    border-color: var(--amber-primary);
    box-shadow: 0 0 0 3px var(--amber-glow);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.2rem;
}

/* Diameter gauge grid */
.diameter-btn-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.dia-btn {
    background: var(--bg-dark-1);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    padding: 0.6rem 0.2rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.dia-btn:hover {
    border-color: var(--amber-light);
    color: var(--text-primary);
}

.dia-btn.active {
    background: var(--amber-primary);
    color: #000;
    border-color: var(--amber-light);
    box-shadow: 0 0 12px var(--amber-glow);
}

.formula-box {
    background: rgba(0, 229, 255, 0.05);
    border: 1px dashed rgba(0, 229, 255, 0.3);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-top: 1.5rem;
}

.formula-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--cyan-primary);
    display: block;
    margin-bottom: 0.3rem;
}

.formula-code {
    font-family: monospace;
    font-size: 0.92rem;
    color: #FFF;
    background: rgba(0,0,0,0.4);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.formula-desc {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
}

/* Calc Results Glass Card */
.result-glass-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
    border: 1px solid var(--border-glass-bright);
    border-radius: var(--radius-lg);
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.result-card-header {
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    color: var(--amber-light);
    display: block;
}

.result-main-val {
    margin: 1.5rem 0;
}

.res-num {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--text-primary);
    line-height: 1;
}

.res-unit {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--amber-light);
    margin-left: 0.5rem;
}

.result-sub-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1.5rem;
    border-top: 1px solid var(--border-glass);
    padding-top: 1.2rem;
}

.res-sub-item {
    display: flex;
    flex-direction: column;
}

.sub-label {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.sub-val {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
}

.price-breakdown-box {
    background: rgba(0,0,0,0.3);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
}

.price-amount {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--amber-light);
}

.price-disclaimer {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 0.4rem;
}

/* Product Cards Grid */
.product-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.product-card {
    background: var(--bg-dark-2);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--amber-light);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.6);
}

.prod-img-box {
    height: 220px;
    position: relative;
    overflow: hidden;
}

.prod-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.product-card:hover .prod-img-box img {
    transform: scale(1.08);
}

.prod-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--amber-primary);
    color: #000;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 0.72rem;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    letter-spacing: 0.05em;
}

.prod-body {
    padding: 1.8rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.prod-title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.prod-desc {
    font-size: 0.92rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.prod-specs-list {
    list-style: none;
    margin-bottom: 2rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.prod-specs-list li {
    font-size: 0.88rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.prod-footer {
    margin-top: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px solid var(--border-glass);
    padding-top: 1.2rem;
}

.prod-price-text {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.prod-price-text strong {
    font-size: 1.1rem;
    color: var(--amber-light);
}

/* Brand Specs Grid */
.brand-spec-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.5rem;
}

.brand-card {
    background: var(--surface-glass-card);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-md);
    padding: 1.8rem;
    backdrop-filter: blur(12px);
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.brand-card:hover {
    border-color: var(--cyan-primary);
    transform: translateY(-4px);
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.15);
}

.brand-logo-badge {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--text-primary);
    letter-spacing: 0.04em;
}

.brand-grade {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--cyan-primary);
    letter-spacing: 0.08em;
}

.brand-short-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.5rem;
}

/* Features Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-box {
    background: var(--bg-dark-2);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition-fast);
}

.feature-box:hover {
    border-color: var(--amber-light);
    transform: translateY(-4px);
}

.feat-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feat-icon svg { width: 28px; height: 28px; }

.feat-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.feat-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Trichy Logistics Map Simulator */
.logistics-card-wrapper {
    background: var(--bg-dark-2);
    border: 1px solid var(--border-glass-bright);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
}

.logistics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
}

@media (max-width: 850px) {
    .logistics-grid { grid-template-columns: 1fr; }
}

.logistics-heading {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
}

.zone-buttons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.zone-btn {
    background: var(--bg-dark-1);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
}

.zone-btn:hover {
    border-color: var(--amber-light);
    color: var(--text-primary);
}

.zone-btn.active {
    background: rgba(255, 107, 0, 0.15);
    border-color: var(--amber-primary);
    color: var(--amber-light);
}

.zone-status-card {
    background: var(--bg-dark-1);
    border: 1px solid var(--border-glass-bright);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.status-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--cyan-primary);
    letter-spacing: 0.08em;
}

.status-indicator-dot {
    width: 8px;
    height: 8px;
    background-color: var(--cyan-primary);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--cyan-primary);
}

.zone-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
}

.zone-metrics {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
    padding: 1rem 0;
}

.metric-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.m-label { font-size: 0.88rem; color: var(--text-muted); }
.m-val { font-size: 1rem; font-weight: 700; }

.zone-note {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* About Us Section */
.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 3.5rem;
    align-items: center;
}

@media (max-width: 992px) {
    .about-grid { grid-template-columns: 1fr; }
}

.about-lead {
    font-size: 1.15rem;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 1.2rem;
    line-height: 1.6;
}

.about-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.about-pillars-row {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}

.pillar-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.pillar-icon {
    font-size: 1.5rem;
    background: rgba(255, 107, 0, 0.1);
    padding: 0.5rem;
    border-radius: var(--radius-sm);
}

.pillar-item h4 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 700;
}

.pillar-item p {
    font-size: 0.88rem;
    color: var(--text-muted);
}

.about-glass-card {
    background: linear-gradient(135deg, rgba(255, 107, 0, 0.08) 0%, rgba(0, 229, 255, 0.05) 100%);
    border: 1px solid var(--border-glass-bright);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    backdrop-filter: blur(16px);
}

.card-big-num {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--amber-light);
    display: block;
    line-height: 1;
}

.card-stat-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
    margin-top: 0.5rem;
    margin-bottom: 2rem;
}

.about-checklist {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.check-item {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 2.5rem;
}

@media (max-width: 900px) {
    .contact-grid { grid-template-columns: 1fr; }
}

.contact-info-card {
    background: var(--bg-dark-2);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
}

.info-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.info-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.detail-icon {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.detail-icon svg { width: 22px; height: 22px; }

.detail-text {
    display: flex;
    flex-direction: column;
}

.detail-text strong {
    font-size: 0.82rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.detail-text span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.contact-form-card {
    background: var(--bg-dark-2);
    border: 1px solid var(--border-glass-bright);
    border-radius: var(--radius-xl);
    padding: 2.5rem;
}

.form-textarea { resize: vertical; }

.success-box {
    padding: 3rem 1rem;
}

.success-icon {
    width: 60px;
    height: 60px;
    background: var(--success-green);
    color: #000;
    border-radius: 50%;
    font-size: 2rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    opacity: 1;
    transition: opacity 0.3s ease;
}

.modal-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.modal-card {
    background: var(--bg-dark-2);
    border: 1px solid var(--border-glass-bright);
    border-radius: var(--radius-xl);
    width: 100%;
    max-width: 680px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2.5rem;
    position: relative;
    box-shadow: 0 25px 60px rgba(0,0,0,0.8);
}

.modal-close-btn {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close-btn:hover { color: var(--amber-light); }

.modal-badge {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--amber-light);
    letter-spacing: 0.1em;
}

.modal-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    margin-top: 0.3rem;
    margin-bottom: 1.5rem;
}

.specs-table-container {
    overflow-x: auto;
    margin-bottom: 1.5rem;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.specs-table th, .specs-table td {
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--border-glass);
    text-align: left;
}

.specs-table th {
    background: var(--bg-dark-1);
    color: var(--amber-light);
    font-family: var(--font-heading);
    font-weight: 700;
}

.modal-highlights {
    background: rgba(0, 229, 255, 0.05);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: var(--radius-sm);
    padding: 1rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 1rem;
    border-top: 1px solid var(--border-glass);
    padding-top: 1.2rem;
}

/* Floating Sticky WhatsApp & Back to Top */
.floating-whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 58px;
    height: 58px;
    background: var(--whatsapp-green);
    color: #FFF;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
    z-index: 95;
    text-decoration: none;
    transition: var(--transition-fast);
}

.floating-whatsapp-btn svg { width: 30px; height: 30px; }

.floating-whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.7);
}

.float-tooltip {
    position: absolute;
    right: 70px;
    background: #121824;
    color: #FFF;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-fast);
    border: 1px solid var(--border-glass-bright);
}

.floating-whatsapp-btn:hover .float-tooltip {
    opacity: 1;
}

.back-to-top-btn {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 44px;
    height: 44px;
    background: var(--bg-dark-2);
    border: 1px solid var(--border-glass-bright);
    color: var(--text-primary);
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    z-index: 95;
    transition: var(--transition-fast);
}

.back-to-top-btn:hover {
    border-color: var(--amber-light);
    color: var(--amber-light);
}

/* Footer */
.main-footer {
    background: var(--bg-dark-1);
    border-top: 1px solid var(--border-glass);
    padding: 4rem 0 2rem;
    position: relative;
    z-index: 10;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

@media (max-width: 900px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
    .footer-grid { grid-template-columns: 1fr; }
}

.footer-brand-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin: 1.2rem 0;
    line-height: 1.6;
}

.footer-socials {
    display: flex;
    gap: 0.8rem;
}

.social-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.04);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.social-icon:hover {
    background: var(--amber-primary);
    color: #000;
}

.footer-heading {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: var(--text-primary);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.88rem;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--amber-light);
}

.footer-contact-text {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.footer-bottom-bar {
    border-top: 1px solid var(--border-glass);
    padding-top: 1.5rem;
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Animations */
.animate-fade-in {
    opacity: 0;
    animation: fadeIn 0.8s forwards ease-out;
}

.animate-slide-up {
    opacity: 0;
    transform: translateY(24px);
    animation: slideUp 0.8s forwards cubic-bezier(0.16, 1, 0.3, 1);
}

.delay-1 { animation-delay: 0.15s; }
.delay-2 { animation-delay: 0.3s; }
.delay-3 { animation-delay: 0.45s; }

@keyframes fadeIn {
    to { opacity: 1; }
}

@keyframes slideUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   COMPREHENSIVE MOBILE RESPONSIVE SUITE (< 768px & < 480px)
   ========================================================================== */

/* 1. Top Ticker Bar & Header Contacts on Mobile */
@media (max-width: 768px) {
    .top-ticker-bar {
        padding: 0.35rem 0;
        font-size: 0.78rem;
    }

    .ticker-container {
        gap: 0.5rem;
    }

    .ticker-badge {
        padding: 0.2rem 0.55rem;
        font-size: 0.65rem;
        flex-shrink: 0;
    }

    .ticker-badge-text {
        letter-spacing: 0.02em;
    }

    .ticker-scroll-wrapper {
        flex: 1;
        overflow: hidden;
        mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
        -webkit-mask-image: linear-gradient(to right, transparent 0%, black 6%, black 94%, transparent 100%);
    }

    .ticker-scroll {
        gap: 0.8rem;
        animation-duration: 25s;
    }

    .header-contacts {
        gap: 0.4rem;
        flex-shrink: 0;
    }

    .head-contact-link {
        font-size: 0.75rem;
        padding: 0.2rem 0.4rem;
    }

    .fleet-admin-btn-head {
        display: none !important; /* Access via nav-menu / mobile-drawer on mobile */
    }
}

@media (max-width: 480px) {
    .ticker-badge-text {
        display: none; /* Shows pulse dot + LIVE on ultra small phones */
    }
    .ticker-badge::after {
        content: "LIVE";
        font-size: 0.62rem;
        font-weight: 800;
    }

    .head-contact-text {
        display: none; /* Shows clean telephone icon on ultra small phones */
    }

    .head-contact-link {
        background: rgba(255, 107, 0, 0.15);
        border: 1px solid rgba(255, 107, 0, 0.3);
        border-radius: 50%;
        width: 28px;
        height: 28px;
        padding: 0;
        justify-content: center;
    }
}

/* 2. Main Navigation Bar & Header Actions on Mobile */
@media (max-width: 900px) {
    .nav-menu { display: none; }
    .hamburger-menu { display: flex; }
    .mobile-drawer { display: block; }
}

@media (max-width: 768px) {
    .nav-container {
        height: 60px;
    }

    .logo-text-clean {
        font-size: 1.3rem;
    }

    .nav-actions {
        gap: 0.5rem;
    }

    .btn-secondary-glass.open-quote-modal span {
        display: none; /* Shows compact icon button on mobile header */
    }

    #navQuoteBtn {
        padding: 0.5rem;
        border-radius: 50%;
        width: 36px;
        height: 36px;
    }
}

/* 3. Hero Section on Mobile */
@media (max-width: 768px) {
    .hero-section {
        padding: 4rem 0 3rem;
        min-height: auto;
    }

    .hero-brand-heroic {
        margin-bottom: 1.2rem;
        gap: 0.6rem;
    }

    .brand-main-title {
        font-size: clamp(2rem, 7.5vw, 3rem);
        gap: 0.4rem;
    }

    .brand-micro-tag {
        padding: 0.25rem 0.75rem;
    }

    .tag-text {
        font-size: 0.62rem;
        letter-spacing: 0.1em;
    }

    .brand-laser-divider {
        max-width: 280px;
    }

    .hero-title {
        font-size: clamp(1.4rem, 5vw, 2.2rem);
        line-height: 1.25;
        margin-bottom: 1rem;
    }

    .hero-subtitle {
        font-size: 0.95rem;
        line-height: 1.6;
        margin-bottom: 1.8rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 0.8rem;
    }

    .hero-actions .btn {
        width: 100%;
        justify-content: center;
        padding: 0.85rem 1.2rem;
        font-size: 0.95rem;
    }

    .hero-stats-row {
        grid-template-columns: 1fr;
        gap: 0.8rem;
        margin-top: 2rem;
    }

    .stat-card {
        padding: 1rem;
    }
}

/* 4. Calculator Section on Mobile */
@media (max-width: 768px) {
    .calc-tabs {
        flex-direction: row;
        gap: 0.4rem;
    }

    .calc-tab-btn {
        padding: 0.65rem 0.5rem;
        font-size: 0.82rem;
        flex: 1;
        justify-content: center;
        text-align: center;
    }

    .calc-tab-btn span {
        font-size: 0.78rem;
    }

    .diameter-btn-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.4rem;
    }

    .dia-btn {
        padding: 0.55rem 0.2rem;
        font-size: 0.85rem;
    }

    .form-row-2 {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }

    .form-input, .form-select, .form-textarea {
        font-size: 16px !important; /* Prevents mobile Safari zoom on focus */
        padding: 0.7rem 0.9rem;
    }

    .calc-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
    }

    .result-glass-card {
        padding: 1.2rem;
    }

    .result-main-val .res-num {
        font-size: 2.2rem;
    }

    .result-sub-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.6rem;
    }

    .res-sub-item {
        padding: 0.6rem;
    }
}

/* 5. Product Cards & Specs Explorer on Mobile */
@media (max-width: 768px) {
    .product-cards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .brand-spec-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .modal-card {
        width: 92vw;
        padding: 1.2rem;
        max-height: 88vh;
    }

    .specs-table th, .specs-table td {
        padding: 0.5rem 0.6rem;
        font-size: 0.8rem;
    }
}

/* 6. Trichy Logistics Delivery Simulator on Mobile */
@media (max-width: 768px) {
    .logistics-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .zone-buttons-grid {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }

    .zone-btn {
        padding: 0.6rem 0.4rem;
        font-size: 0.8rem;
        text-align: center;
    }
}

/* 7. Contact Desk & Footer on Mobile */
@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 1.8rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .floating-whatsapp-btn {
        bottom: 1.2rem;
        right: 1.2rem;
        width: 50px;
        height: 50px;
    }

    .back-to-top-btn {
        bottom: 1.2rem;
        left: 1.2rem;
        width: 42px;
        height: 42px;
    }
}