/* ============================================
   Delhi Lumber — Premium Dark Luxury Website
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    --navy-900: #0a1628;
    --navy-800: #0f1f36;
    --navy-700: #152a45;
    --navy-600: #1a3354;
    --navy-500: #1e3d63;
    
    --gold-400: #e2c06e;
    --gold-500: #c9a84c;
    --gold-600: #b8943f;
    --gold-700: #9a7a32;
    
    --cream-100: #f5f0e8;
    --cream-200: #e8e0d0;
    --cream-300: #d4cbb8;
    
    --white: #ffffff;
    --gray-100: #f7f7f7;
    --gray-200: #e8e8e8;
    --gray-300: #c4c4c4;
    --gray-400: #888888;
    --gray-500: #555555;
    --gray-600: #333333;
    
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 4px 20px rgba(201, 168, 76, 0.25);
}

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

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

body {
    font-family: var(--font-body);
    background-color: var(--navy-900);
    color: var(--cream-100);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* --- Gold Accent Utility --- */
.gold {
    color: var(--gold-500);
}

/* --- Typography --- */
.section-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold-500);
    margin-bottom: 16px;
}

.section-label::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 1px;
    background: var(--gold-500);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
    color: var(--cream-100);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--cream-300);
    max-width: 560px;
    line-height: 1.7;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-header .section-subtitle {
    margin: 0 auto;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn--gold {
    background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
    color: var(--navy-900);
    box-shadow: var(--shadow-gold);
}

.btn--gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(201, 168, 76, 0.4);
}

.btn--outline {
    background: transparent;
    color: var(--cream-100);
    border: 1.5px solid rgba(201, 168, 76, 0.5);
}

.btn--outline:hover {
    border-color: var(--gold-500);
    background: rgba(201, 168, 76, 0.08);
    transform: translateY(-2px);
}

.btn--outline-light {
    background: transparent;
    color: var(--cream-100);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn--outline-light:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}

.btn--full {
    width: 100%;
    justify-content: center;
}

/* ============================================
   NAVBAR
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    transition: var(--transition);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1), var(--shadow-sm);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--cream-100);
}

.nav-logo-text {
    letter-spacing: -0.01em;
}

.nav-logo-icon {
    flex-shrink: 0;
}

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

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--cream-300);
    position: relative;
    padding: 4px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--gold-500);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--gold-500);
}

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

.nav-link--cta {
    padding: 10px 20px;
    border: 1.5px solid var(--gold-500);
    border-radius: 6px;
    color: var(--gold-500);
}

.nav-link--cta::after {
    display: none;
}

.nav-link--cta:hover {
    background: var(--gold-500);
    color: var(--navy-900);
}

/* Mobile Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--cream-100);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 2px;
    background: var(--cream-100);
    transition: var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { bottom: -7px; }

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.nav-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-800) 50%, var(--navy-700) 100%);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 70% 40%, rgba(201, 168, 76, 0.06) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 20% 80%, rgba(201, 168, 76, 0.04) 0%, transparent 50%);
    pointer-events: none;
}

/* Subtle wood grain pattern */
.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.02;
    background-image: repeating-linear-gradient(
        90deg,
        transparent,
        transparent 2px,
        rgba(201, 168, 76, 0.5) 2px,
        rgba(201, 168, 76, 0.5) 3px
    );
    pointer-events: none;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 80px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(201, 168, 76, 0.1);
    border: 1px solid rgba(201, 168, 76, 0.25);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--gold-400);
    margin-bottom: 28px;
    width: fit-content;
}

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 5.5vw, 4.5rem);
    font-weight: 800;
    line-height: 1.05;
    color: var(--cream-100);
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subheadline {
    font-size: 1.1rem;
    color: var(--cream-300);
    line-height: 1.75;
    max-width: 480px;
    margin-bottom: 36px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 56px;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gold-500);
}

.stat-label {
    font-size: 0.75rem;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(201, 168, 76, 0.2);
}

/* Hero Visual */
.hero-visual {
    position: relative;
}

.hero-image-wrapper {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.hero-image-wrapper img {
    width: 100%;
    height: 560px;
    object-fit: cover;
    display: block;
}

.hero-image-accent {
    position: absolute;
    top: -12px;
    right: -12px;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(201, 168, 76, 0.2);
    border-radius: 16px;
    z-index: -1;
}

.hero-floating-card {
    position: absolute;
    bottom: 32px;
    left: -24px;
    background: rgba(10, 22, 40, 0.9);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(201, 168, 76, 0.2);
    border-radius: 12px;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: var(--shadow-md);
    animation: float 4s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.floating-card-label {
    display: block;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--cream-100);
}

.floating-card-sub {
    display: block;
    font-size: 0.75rem;
    color: var(--gray-400);
    margin-top: 2px;
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 1;
}

.hero-scroll span {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--gray-400);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--gold-500), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 1; height: 40px; }
    50% { opacity: 0.4; height: 24px; }
}

/* ============================================
   PRODUCTS
   ============================================ */
.products {
    padding: 120px 0;
    background: var(--navy-800);
    position: relative;
}

.products::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.3), transparent);
}

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

.product-card {
    background: var(--navy-700);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid rgba(201, 168, 76, 0.08);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: rgba(201, 168, 76, 0.25);
    box-shadow: var(--shadow-md), 0 0 40px rgba(201, 168, 76, 0.06);
}

.product-card-image {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.product-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

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

.product-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.6) 0%, transparent 50%);
}

.product-card-content {
    padding: 24px;
}

.product-card-icon {
    margin-bottom: 14px;
}

.product-card-content h3 {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--cream-100);
    margin-bottom: 10px;
}

.product-card-content p {
    font-size: 0.875rem;
    color: var(--cream-300);
    line-height: 1.65;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
    padding: 120px 0;
    background: var(--navy-900);
    position: relative;
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image-stack {
    position: relative;
}

.about-image-main {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image-main img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

.about-image-secondary {
    position: absolute;
    bottom: -32px;
    right: -32px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 3px solid var(--navy-900);
}

.about-image-secondary img {
    width: 260px;
    height: 170px;
    object-fit: cover;
    display: block;
}

.about-experience-badge {
    position: absolute;
    top: -20px;
    right: 40px;
    background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
    border-radius: 12px;
    padding: 16px 20px;
    text-align: center;
    box-shadow: var(--shadow-gold);
}

.exp-number {
    display: block;
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--navy-900);
    line-height: 1;
}

.exp-text {
    display: block;
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--navy-800);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 4px;
}

.about-content {
    padding-top: 20px;
}

.about-text {
    font-size: 1rem;
    color: var(--cream-300);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 36px;
}

.about-feature {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 168, 76, 0.1);
    border: 1px solid rgba(201, 168, 76, 0.2);
    border-radius: 10px;
}

.about-feature strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--cream-100);
    margin-bottom: 2px;
}

.about-feature span {
    font-size: 0.85rem;
    color: var(--gray-400);
    line-height: 1.5;
}

/* ============================================
   SERVICES
   ============================================ */
.services {
    padding: 120px 0;
    background: var(--navy-800);
    position: relative;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.3), transparent);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--navy-700);
    border: 1px solid rgba(201, 168, 76, 0.08);
    border-radius: 12px;
    padding: 32px 24px;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--gold-500), var(--gold-700));
    opacity: 0;
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(201, 168, 76, 0.2);
    box-shadow: var(--shadow-md);
}

.service-card:hover::before {
    opacity: 1;
}

.service-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 800;
    color: rgba(201, 168, 76, 0.12);
    line-height: 1;
    margin-bottom: 16px;
}

.service-icon {
    margin-bottom: 20px;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--cream-100);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.875rem;
    color: var(--cream-300);
    line-height: 1.7;
}

/* ============================================
   CTA BANNER
   ============================================ */
.cta-banner {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--navy-700) 0%, var(--navy-600) 100%);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 50%, rgba(201, 168, 76, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.75rem);
    font-weight: 700;
    color: var(--cream-100);
    margin-bottom: 16px;
    line-height: 1.2;
}

.cta-text {
    font-size: 1.05rem;
    color: var(--cream-300);
    margin-bottom: 36px;
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
    padding: 120px 0;
    background: var(--navy-900);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(201, 168, 76, 0.3), transparent);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.contact-text {
    font-size: 1rem;
    color: var(--cream-300);
    line-height: 1.75;
    margin-bottom: 36px;
}

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

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 168, 76, 0.1);
    border: 1px solid rgba(201, 168, 76, 0.2);
    border-radius: 10px;
}

.contact-item strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--cream-100);
    margin-bottom: 4px;
}

.contact-item span,
.contact-item a {
    font-size: 0.875rem;
    color: var(--gray-400);
    line-height: 1.6;
}

.contact-item a:hover {
    color: var(--gold-500);
}

/* Contact Form */
.contact-form-wrapper {
    background: var(--navy-800);
    border: 1px solid rgba(201, 168, 76, 0.1);
    border-radius: 16px;
    padding: 40px;
}

.form-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--cream-100);
    margin-bottom: 28px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--cream-300);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--navy-700);
    border: 1px solid rgba(201, 168, 76, 0.15);
    border-radius: 8px;
    color: var(--cream-100);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-500);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--gold-500);
    box-shadow: 0 0 0 3px rgba(201, 168, 76, 0.1);
}

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

.form-success {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: rgba(74, 222, 128, 0.08);
    border: 1px solid rgba(74, 222, 128, 0.2);
    border-radius: 8px;
    margin-top: 16px;
    font-size: 0.9rem;
    color: #4ade80;
}

.form-success.show {
    display: flex;
}

/* ============================================
   MAP
   ============================================ */
.map-section {
    border-top: 1px solid rgba(201, 168, 76, 0.1);
}

.map-container {
    filter: saturate(0.6) brightness(0.8) contrast(1.1);
    transition: var(--transition);
}

.map-container:hover {
    filter: saturate(0.8) brightness(0.85) contrast(1.05);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    padding: 80px 0 0;
    background: var(--navy-900);
    border-top: 1px solid rgba(201, 168, 76, 0.1);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--cream-100);
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--gray-400);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4 {
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--cream-100);
    margin-bottom: 20px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a,
.footer-links li {
    font-size: 0.85rem;
    color: var(--gray-400);
}

.footer-links a:hover {
    color: var(--gold-500);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* ============================================
   ANIMATIONS
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero-container {
        gap: 40px;
    }
    
    .products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-top {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: rgba(10, 22, 40, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }
    
    .nav-links.open {
        right: 0;
    }
    
    .nav-toggle {
        display: block;
        z-index: 1001;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        padding-top: 100px;
        text-align: center;
    }
    
    .hero-badge {
        margin: 0 auto 20px;
    }
    
    .hero-subheadline {
        margin: 0 auto 32px;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-visual {
        order: -1;
        max-width: 480px;
        margin: 0 auto;
    }
    
    .hero-image-wrapper img {
        height: 400px;
    }
    
    .hero-floating-card {
        left: 16px;
        bottom: 16px;
    }
    
    .about-layout {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .about-image-secondary {
        right: -16px;
        bottom: -20px;
    }
    
    .about-image-secondary img {
        width: 200px;
        height: 130px;
    }
    
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-form-wrapper {
        padding: 28px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .products-grid {
        grid-template-columns: 1fr;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .hero-stat-divider {
        width: 40px;
        height: 1px;
    }
    
    .btn {
        padding: 12px 22px;
        font-size: 0.85rem;
    }
}