/* ==========================================================================
   1. VARIABLES
   ========================================================================== */
:root {
    --abyss-950: #020617;
    --abyss-900: #07111F;
    --abyss-800: #0B1B2B;
    --abyss-700: #102A43;
    --abyss-600: #1E3A5F;

    --blue-primary: #0EA5E9;
    --blue-light: #38BDF8;
    --accent: #38BDF8;

    --white: #FFFFFF;
    --gray-100: #F8FAFC;
    --gray-200: #E2E8F0;
    --gray-400: #94A3B8;
    --gray-600: #475569;

    --text-dark: #0F172A;
    --text-light: #F8FAFC;

    --font-heading: "Hind Siliguri", "Poppins", "Segoe UI", sans-serif;
    --font-body: "Hind Siliguri", "Inter", "Segoe UI", sans-serif;

    --container-width: 1240px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-soft: 0 20px 50px -20px rgba(2, 6, 23, 0.35);
    --shadow-glow: 0 0 0 1px rgba(56, 189, 248, 0.15), 0 20px 60px -20px rgba(14, 165, 233, 0.35);
    --transition-base: 0.3s ease;
}

/* ==========================================================================
   2. RESET / BASE
   ========================================================================== */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--text-dark);
    background: var(--white);
    overflow-x: hidden;
}

img, svg {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

button {
    font-family: inherit;
    cursor: pointer;
}

.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 0;
    background: var(--accent);
    color: var(--abyss-950);
    padding: 12px 20px;
    z-index: 2000;
    font-weight: 600;
    border-radius: 0 0 8px 0;
}

.skip-link:focus {
    left: 0;
}

:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
}

/* ==========================================================================
   3. TYPOGRAPHY
   ========================================================================== */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.15;
    margin: 0;
    color: var(--text-dark);
}

p {
    margin: 0;
    color: var(--gray-600);
    line-height: 1.7;
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--blue-primary);
    margin: 0 0 16px;
}

.eyebrow::before {
    content: "";
    width: 28px;
    height: 2px;
    background: var(--accent);
    display: inline-block;
}

.section-title {
    font-size: clamp(1.9rem, 3.2vw, 2.75rem);
    margin-bottom: 20px;
}

.section-lead {
    font-size: 1.05rem;
    max-width: 640px;
}

.section-head {
    max-width: 720px;
    margin-bottom: 56px;
}

.section-head.light .section-title,
.section-head.light .eyebrow {
    color: var(--text-light);
}

.section-head.light p:not(.eyebrow) {
    color: var(--gray-400);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 14px 28px;
    border-radius: 999px;
    border: 2px solid transparent;
    transition: transform var(--transition-base), box-shadow var(--transition-base), background var(--transition-base), color var(--transition-base);
    white-space: nowrap;
}

.btn-lg {
    padding: 16px 34px;
    font-size: 1rem;
}

.btn-accent {
    background: var(--accent);
    color: var(--abyss-950);
    box-shadow: 0 12px 30px -10px rgba(56, 189, 248, 0.6);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 36px -10px rgba(56, 189, 248, 0.75);
}

.btn-outline-light {
    border-color: rgba(248, 250, 252, 0.35);
    color: var(--text-light);
}

.btn-outline-light:hover {
    border-color: var(--text-light);
    background: rgba(248, 250, 252, 0.08);
    transform: translateY(-2px);
}

.btn-primary-dark {
    background: var(--abyss-900);
    color: var(--text-light);
}

.btn-primary-dark:hover {
    background: var(--abyss-800);
    transform: translateY(-2px);
}

/* ==========================================================================
   4. HEADER
   ========================================================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    background: transparent;
    transition: background var(--transition-base), padding var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
    background: rgba(7, 17, 31, 0.92);
    backdrop-filter: blur(10px);
    padding: 12px 0;
    box-shadow: 0 10px 30px -15px rgba(2, 6, 23, 0.6);
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--text-light);
}

.brand-mark {
    color: var(--accent);
    display: inline-flex;
}

.brand-text {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    letter-spacing: 0.04em;
    font-weight: 500;
}

.brand-text strong {
    font-weight: 800;
    color: var(--accent);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links {
    display: flex;
    gap: 28px;
}

.nav-link {
    position: relative;
    color: var(--gray-200);
    font-family: var(--font-heading);
    font-size: 0.92rem;
    font-weight: 500;
    padding: 6px 0;
    transition: color var(--transition-base);
}

.nav-link::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width var(--transition-base);
}

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

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

.nav-cta {
    white-space: nowrap;
    padding: 10px 22px;
}

.lang-switch {
    display: flex;
    align-items: center;
    gap: 2px;
    padding: 3px;
    border-radius: 999px;
    background: rgba(248, 250, 252, 0.08);
    border: 1px solid rgba(148, 163, 184, 0.25);
}

.lang-btn {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 14px;
    border-radius: 999px;
    border: none;
    background: transparent;
    color: var(--gray-400);
    transition: background var(--transition-base), color var(--transition-base);
}

.lang-btn.active {
    background: var(--accent);
    color: var(--abyss-950);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    padding: 0;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-light);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ==========================================================================
   5. HERO
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at 80% 20%, var(--abyss-700), var(--abyss-950) 60%);
    overflow: hidden;
    isolation: isolate;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image: linear-gradient(rgba(56, 189, 248, 0.06) 1px, transparent 1px),
        linear-gradient(90deg, rgba(56, 189, 248, 0.06) 1px, transparent 1px);
    background-size: 56px 56px;
    mask-image: radial-gradient(circle at 70% 30%, black, transparent 75%);
}

.hero-glow {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    max-width: 700px;
    max-height: 700px;
    background: radial-gradient(circle, rgba(14, 165, 233, 0.25), transparent 70%);
    filter: blur(10px);
}

.hero-tyre {
    position: absolute;
    right: -10%;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0.55;
    animation: spin-slow 60s linear infinite;
}

.hero-content {
    position: relative;
    padding-top: 90px;
    max-width: 780px;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    color: var(--text-light);
    margin-bottom: 24px;
}

.hero-sub {
    color: var(--gray-200);
    font-size: 1.15rem;
    max-width: 560px;
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
}

.scroll-indicator {
    position: absolute;
    bottom: 36px;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 42px;
    border: 2px solid rgba(248, 250, 252, 0.4);
    border-radius: 999px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.scroll-indicator span {
    width: 4px;
    height: 8px;
    background: var(--accent);
    border-radius: 999px;
    animation: scroll-dot 1.8s ease infinite;
}

/* ==========================================================================
   6. STATS
   ========================================================================== */
.stats-section {
    background: var(--abyss-900);
    padding: 72px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    text-align: center;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
    padding: 0 12px;
    border-right: 1px solid rgba(148, 163, 184, 0.15);
}

.stat-item:last-child {
    border-right: none;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 800;
    color: var(--accent);
}

.stat-number.stat-text {
    font-size: clamp(1.4rem, 3vw, 2rem);
}

.stat-label {
    color: var(--gray-400);
    font-size: 0.92rem;
    letter-spacing: 0.02em;
}

.stats-disclaimer {
    text-align: center;
    margin-top: 40px;
    font-size: 0.78rem;
    color: var(--gray-600);
}

.stats-disclaimer.light {
    color: var(--gray-400);
}

/* ==========================================================================
   7. ABOUT
   ========================================================================== */
.about-section {
    padding: 120px 0;
    background: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 72px;
    align-items: center;
}

.about-visual {
    position: relative;
}

.about-panel {
    position: relative;
    background: var(--abyss-900);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-soft);
}

.about-badge {
    position: absolute;
    top: -16px;
    left: 24px;
    z-index: 2;
    background: var(--accent);
    color: var(--abyss-950);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.8rem;
    padding: 10px 18px;
    border-radius: 999px;
    box-shadow: 0 10px 24px -8px rgba(56, 189, 248, 0.6);
}

.about-panel-card {
    position: absolute;
    bottom: -28px;
    right: -20px;
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 18px 24px;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    min-width: 180px;
}

.about-panel-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--blue-primary);
}

.about-panel-text {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.about-points {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin: 32px 0;
}

.about-points li {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.about-points i {
    color: var(--blue-primary);
    font-size: 1.3rem;
    margin-top: 2px;
}

.about-points strong {
    color: var(--text-dark);
}

/* ==========================================================================
   8. PRODUCTS
   ========================================================================== */
.products-section {
    padding: 120px 0;
    background: var(--gray-100);
}

.product-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 44px;
}

.filter-btn {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    padding: 10px 22px;
    border-radius: 999px;
    border: 2px solid var(--gray-200);
    background: var(--white);
    color: var(--gray-600);
    transition: all var(--transition-base);
}

.filter-btn:hover {
    border-color: var(--blue-primary);
    color: var(--blue-primary);
}

.filter-btn.active {
    background: var(--abyss-900);
    border-color: var(--abyss-900);
    color: var(--white);
}

.product-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 12px 30px -18px rgba(15, 23, 42, 0.25);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    display: flex;
    flex-direction: column;
}

.product-card.is-hidden {
    display: none;
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.product-media {
    position: relative;
    aspect-ratio: 3 / 2;
    overflow: hidden;
    background: linear-gradient(145deg, var(--abyss-800), var(--abyss-950));
}

.product-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

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

.product-body {
    padding: 24px 26px 28px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.product-body h3 {
    font-size: 1.15rem;
}

.product-body p {
    font-size: 0.92rem;
    flex: 1;
}

.product-link {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--blue-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition-base), color var(--transition-base);
    background: none;
    border: none;
    padding: 0;
    align-self: flex-start;
}

.product-card:hover .product-link {
    gap: 10px;
    color: var(--abyss-900);
}

/* Product detail modal */
.product-modal[hidden] {
    display: none;
}

.product-modal {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.product-modal.is-open {
    opacity: 1;
}

.product-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 6, 23, 0.75);
    backdrop-filter: blur(4px);
}

.product-modal-dialog {
    position: relative;
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 760px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    box-shadow: 0 30px 80px -20px rgba(2, 6, 23, 0.5);
    transform: translateY(16px);
    transition: transform 0.3s ease;
}

.product-modal.is-open .product-modal-dialog {
    transform: translateY(0);
}

.product-modal-close {
    position: absolute;
    top: 14px;
    right: 14px;
    z-index: 2;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(2, 6, 23, 0.55);
    color: var(--white);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-modal-media {
    aspect-ratio: 3 / 2;
}

.product-modal-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.product-modal-body {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.product-modal-body h3 {
    font-size: 1.35rem;
}

.product-modal-body ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-modal-body li {
    position: relative;
    padding-left: 22px;
    font-size: 0.92rem;
    color: var(--gray-600);
}

.product-modal-body li::before {
    content: "\f26b";
    font-family: "bootstrap-icons";
    position: absolute;
    left: 0;
    color: var(--blue-primary);
    font-size: 0.85rem;
}

.product-modal-body .btn {
    align-self: flex-start;
}

@media (max-width: 640px) {
    .product-modal-dialog {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   9. WHY US
   ========================================================================== */
.why-section {
    padding: 120px 0;
    background: var(--abyss-950);
    background-image: radial-gradient(circle at 15% 20%, rgba(14, 165, 233, 0.12), transparent 45%);
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.why-card {
    background: rgba(248, 250, 252, 0.03);
    border: 1px solid rgba(148, 163, 184, 0.15);
    border-radius: var(--radius-lg);
    padding: 34px 28px;
    transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.why-card:hover {
    border-color: rgba(56, 189, 248, 0.5);
    transform: translateY(-6px);
    box-shadow: 0 20px 40px -24px rgba(56, 189, 248, 0.5);
}

.why-card i {
    font-size: 1.8rem;
    color: var(--accent);
    margin-bottom: 18px;
    display: inline-block;
}

.why-card h3 {
    color: var(--text-light);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.why-card p {
    color: var(--gray-400);
    font-size: 0.92rem;
}

/* ==========================================================================
   10. TECHNOLOGY
   ========================================================================== */
.tech-section {
    padding: 120px 0;
    background: var(--white);
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 72px;
    align-items: center;
}

.tech-detail {
    margin-top: 28px;
    padding: 22px 26px;
    background: var(--gray-100);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.tech-detail h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
}

.tech-detail p {
    font-size: 0.92rem;
    margin: 0;
}

.tech-visual {
    position: relative;
    max-width: 420px;
    margin: 0 auto;
    aspect-ratio: 1 / 1;
}

.tech-hotspot {
    position: absolute;
    transform: translate(-50%, -50%);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--abyss-950);
    border: 3px solid var(--white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    box-shadow: 0 0 0 6px rgba(56, 189, 248, 0.25);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.tech-hotspot:hover,
.tech-hotspot.active-spot {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 0 0 10px rgba(56, 189, 248, 0.35);
}

/* ==========================================================================
   11. PERFORMANCE
   ========================================================================== */
.performance-section {
    padding: 120px 0;
    background: var(--abyss-900);
}

.performance-bars {
    display: flex;
    flex-direction: column;
    gap: 26px;
    max-width: 720px;
}

.perf-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    align-items: center;
    gap: 20px;
}

.perf-label {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.95rem;
}

.perf-track {
    height: 10px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.15);
    overflow: hidden;
}

.perf-fill {
    height: 100%;
    width: 0;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--blue-primary), var(--blue-light));
    transition: width 1.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   12. ROAD SECTION
   ========================================================================== */
.roads-section {
    padding: 120px 0;
    background: var(--gray-100);
}

.roads-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
}

.road-card {
    position: relative;
    border-radius: var(--radius-lg);
    padding: 28px 20px;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    gap: 8px;
    color: var(--text-light);
    overflow: hidden;
    transition: transform var(--transition-base);
}

.road-card:hover {
    transform: translateY(-6px);
}

.road-card i {
    position: absolute;
    top: 22px;
    left: 20px;
    font-size: 1.6rem;
    opacity: 0.85;
}

.road-card h3 {
    color: var(--text-light);
    font-size: 1.05rem;
}

.road-card p {
    color: rgba(248, 250, 252, 0.8);
    font-size: 0.85rem;
}

.road-card--city { background: linear-gradient(160deg, #0B1B2B, #102A43); }
.road-card--highway { background: linear-gradient(160deg, #102A43, #0EA5E9); }
.road-card--rural { background: linear-gradient(160deg, #0B1B2B, #1E3A5F); }
.road-card--commercial { background: linear-gradient(160deg, #07111F, #102A43); }
.road-card--distance { background: linear-gradient(160deg, #102A43, #38BDF8); }

/* ==========================================================================
   13. DEALER CTA
   ========================================================================== */
.dealer-cta {
    padding: 110px 0;
    background: radial-gradient(circle at 30% 30%, var(--abyss-700), var(--abyss-950) 70%);
    text-align: center;
}

.dealer-cta-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
    max-width: 760px;
}

.dealer-cta .section-title {
    color: var(--text-light);
}

.dealer-cta .section-lead {
    color: var(--gray-400);
    max-width: 620px;
}

/* ==========================================================================
   14. NEWS
   ========================================================================== */
.news-section {
    padding: 120px 0;
    background: var(--white);
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-bottom: 44px;
}

.news-card {
    padding: 30px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: box-shadow var(--transition-base), transform var(--transition-base), border-color var(--transition-base);
}

.news-card:hover {
    box-shadow: var(--shadow-soft);
    transform: translateY(-6px);
    border-color: transparent;
}

.news-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--blue-primary);
    margin-bottom: 14px;
}

.news-card h3 {
    font-size: 1.15rem;
    margin-bottom: 10px;
}

.news-card p {
    font-size: 0.92rem;
}

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

/* ==========================================================================
   15. CONTACT
   ========================================================================== */
.contact-section {
    padding: 120px 0;
    background: var(--gray-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 64px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 18px;
    margin-top: 32px;
}

.contact-details li {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 500;
    color: var(--text-dark);
}

.contact-details i {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--abyss-900);
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

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

.form-group label {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--text-dark);
}

.form-control {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--text-dark);
    background: var(--white);
    transition: border-color var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--blue-primary);
}

.form-error {
    display: none;
    font-size: 0.8rem;
    color: #dc2626;
}

.form-group.is-invalid .form-control {
    border-color: #dc2626;
}

.form-group.is-invalid .form-error {
    display: block;
}

.form-success {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(34, 197, 94, 0.1);
    color: #15803d;
    padding: 14px 18px;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.92rem;
}

/* ==========================================================================
   16. FOOTER
   ========================================================================== */
.site-footer {
    background: var(--abyss-950);
    color: var(--gray-400);
    padding-top: 80px;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 56px;
}

.footer-desc {
    color: var(--gray-400);
    font-size: 0.9rem;
    margin: 20px 0 24px;
    max-width: 320px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid rgba(148, 163, 184, 0.25);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-base), border-color var(--transition-base), color var(--transition-base);
}

.footer-social a:hover {
    background: var(--accent);
    color: var(--abyss-950);
    border-color: var(--accent);
}

.footer-heading {
    color: var(--text-light);
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    margin-bottom: 20px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.92rem;
    transition: color var(--transition-base), padding-left var(--transition-base);
}

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

.footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.15);
    padding: 24px 0;
}

.footer-bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.82rem;
}

.footer-note {
    color: var(--gray-600);
}

.footer-credits {
    margin-top: 10px;
    font-size: 0.76rem;
    line-height: 1.6;
}

.footer-credits a {
    color: var(--gray-400);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.footer-credits a:hover {
    color: var(--accent);
}

/* ==========================================================================
   17. ANIMATIONS
   ========================================================================== */
@keyframes spin-slow {
    from { transform: translateY(-50%) rotate(0deg); }
    to { transform: translateY(-50%) rotate(360deg); }
}

@keyframes scroll-dot {
    0% { transform: translateY(0); opacity: 1; }
    70% { transform: translateY(14px); opacity: 0; }
    100% { transform: translateY(0); opacity: 0; }
}

.reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }

    .hero-tyre {
        animation: none;
    }

    .scroll-indicator span {
        animation: none;
    }
}

.back-to-top {
    position: fixed;
    bottom: 96px;
    right: 28px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--abyss-900);
    color: var(--accent);
    border: 1px solid rgba(56, 189, 248, 0.3);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-soft);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: opacity var(--transition-base), transform var(--transition-base), visibility var(--transition-base);
    z-index: 900;
}

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

.back-to-top:hover {
    background: var(--accent);
    color: var(--abyss-950);
}

/* Floating WhatsApp contact button */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 950;
    display: flex;
    align-items: center;
    height: 56px;
    padding: 0 16px 0 0;
    border-radius: 999px;
    background: #25D366;
    color: var(--white);
    box-shadow: 0 14px 32px -12px rgba(37, 211, 102, 0.65);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
}

.whatsapp-float::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 999px;
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.55);
    animation: whatsapp-pulse 2.4s ease-out infinite;
    pointer-events: none;
}

.whatsapp-float i {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    font-size: 1.6rem;
    flex-shrink: 0;
}

.whatsapp-float-label {
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    opacity: 0;
    transition: max-width 0.35s ease, opacity 0.25s ease;
}

.whatsapp-float:hover,
.whatsapp-float:focus-visible {
    transform: translateY(-3px);
    box-shadow: 0 18px 38px -12px rgba(37, 211, 102, 0.8);
    color: var(--white);
}

.whatsapp-float:hover .whatsapp-float-label,
.whatsapp-float:focus-visible .whatsapp-float-label {
    max-width: 240px;
    opacity: 1;
}

@keyframes whatsapp-pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.55); }
    70% { box-shadow: 0 0 0 16px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

@media (prefers-reduced-motion: reduce) {
    .whatsapp-float::before {
        animation: none;
    }
}

@media (max-width: 480px) {
    .whatsapp-float,
    .back-to-top {
        right: 18px;
    }

    .back-to-top {
        bottom: 88px;
    }
}

/* ==========================================================================
   18. RESPONSIVE
   ========================================================================== */
@media (max-width: 1200px) {
    .roads-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 992px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: min(320px, 82vw);
        background: var(--abyss-900);
        flex-direction: column;
        align-items: flex-start;
        justify-content: flex-start;
        padding: 100px 32px 32px;
        gap: 36px;
        transform: translateX(100%);
        transition: transform var(--transition-base);
        box-shadow: -20px 0 40px rgba(2, 6, 23, 0.4);
    }

    .nav-menu.open {
        transform: translateX(0);
    }

    .nav-links {
        flex-direction: column;
        gap: 22px;
        width: 100%;
    }

    .nav-cta {
        width: 100%;
        text-align: center;
    }

    .lang-switch {
        align-self: flex-start;
    }

    .about-grid,
    .tech-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .about-visual {
        order: 2;
        margin-top: 40px;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        row-gap: 32px;
    }

    .stat-item:nth-child(2n) {
        border-right: none;
    }

    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .about-section,
    .products-section,
    .why-section,
    .tech-section,
    .performance-section,
    .roads-section,
    .news-section,
    .contact-section,
    .dealer-cta {
        padding: 80px 0;
    }

    .product-grid {
        grid-template-columns: 1fr;
    }

    .roads-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .perf-row {
        grid-template-columns: 100px 1fr;
        gap: 14px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 28px 24px;
    }

    .hero-actions .btn,
    .dealer-cta .btn {
        flex: 1 1 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-item {
        border-right: none;
        border-bottom: 1px solid rgba(148, 163, 184, 0.15);
        padding-bottom: 24px;
    }

    .stat-item:last-child {
        border-bottom: none;
    }

    .why-grid {
        grid-template-columns: 1fr;
    }

    .roads-grid {
        grid-template-columns: 1fr;
    }

    .news-grid {
        grid-template-columns: 1fr;
    }

    .footer-top {
        grid-template-columns: 1fr;
    }

    .about-panel-card {
        position: static;
        margin-top: 16px;
    }

    .hero-content {
        padding-top: 110px;
    }
}