/* ============================================
   IRL Corporate Theme - Main Stylesheet
   International Richway Limited
   ============================================ */

/* ---------- CSS Variables ---------- */
:root {
    --primary: #0a2f5a;
    --primary-light: #1a4a8a;
    --accent: #00c2ff;
    --accent-green: #00d4aa;
    --accent-orange: #ff6b35;
    --dark: #0d1117;
    --dark-gray: #161b22;
    --mid-gray: #21262d;
    --light-gray: #8b949e;
    --white: #ffffff;
    --off-white: #f6f8fa;
    --gradient-primary: linear-gradient(135deg, #0a2f5a 0%, #1a4a8a 50%, #0d47a1 100%);
    --gradient-accent: linear-gradient(135deg, #00c2ff 0%, #00d4aa 100%);
    --gradient-dark: linear-gradient(180deg, #0d1117 0%, #161b22 100%);
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.25);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
    font-family: 'Segoe UI', 'Noto Sans TC', 'Microsoft YaHei', sans-serif;
    background: var(--dark);
    color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

ul { list-style: none; }
img { max-width: 100%; display: block; }

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

section {
    padding: 100px 0;
    position: relative;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--primary-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--accent); }

/* ============================================
   TOP BAR
   ============================================ */
.top-bar {
    background: rgba(13, 17, 23, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 8px 0;
    font-size: 0.8rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1001;
    backdrop-filter: blur(10px);
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.stock-ticker {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--light-gray);
}

.stock-ticker .stock-badge {
    background: var(--accent);
    color: var(--dark);
    padding: 2px 10px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.75rem;
}

.stock-ticker .price { color: var(--accent-green); font-weight: 600; }
.stock-ticker .change.up { color: var(--accent-green); }
.stock-ticker .change.down { color: #ff4444; }

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.lang-switch {
    display: flex;
    gap: 6px;
}

.lang-btn {
    padding: 3px 12px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: var(--light-gray);
    transition: var(--transition);
}

.lang-btn.active, .lang-btn:hover {
    background: var(--accent);
    color: var(--dark);
    border-color: var(--accent);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    background: rgba(13, 17, 23, 0.92);
    padding: 16px 0;
    position: fixed;
    top: 37px;
    left: 0;
    right: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.navbar.scrolled {
    padding: 10px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: var(--gradient-accent);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.2rem;
    color: var(--dark);
}

.logo-text {
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 1px;
}

.logo-text span {
    color: var(--accent);
}

.logo-sub {
    font-size: 0.65rem;
    color: var(--light-gray);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 6px;
    align-items: center;
}

.nav-links a {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--light-gray);
    transition: var(--transition);
    position: relative;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--white);
    background: rgba(0, 194, 255, 0.1);
}

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    z-index: 1002;
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 120px;
    background: var(--gradient-dark);
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(0, 194, 255, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content { animation: fadeInUp 0.8s ease-out; }

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 194, 255, 0.1);
    border: 1px solid rgba(0, 194, 255, 0.3);
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--accent);
    margin-bottom: 24px;
}

.hero-badge .dot {
    width: 6px;
    height: 6px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero h1 {
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 20px;
}

.hero h1 .highlight {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.1rem;
    color: var(--light-gray);
    margin-bottom: 32px;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-accent);
    color: var(--dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(0, 194, 255, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 194, 255, 0.05);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    animation: fadeInRight 0.8s ease-out;
}

.hero-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 32px;
    backdrop-filter: blur(20px);
}

.hero-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.stat-item {
    text-align: center;
    padding: 20px;
    background: rgba(0, 194, 255, 0.05);
    border-radius: var(--radius);
    border: 1px solid rgba(0, 194, 255, 0.1);
}

.stat-number {
    font-size: 2rem;
    font-weight: 900;
    color: var(--accent);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--light-gray);
    margin-top: 4px;
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    background: rgba(0, 194, 255, 0.1);
    color: var(--accent);
    padding: 4px 16px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-title {
    font-size: 2.4rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.section-title .highlight {
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    color: var(--light-gray);
    font-size: 1.05rem;
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--dark-gray);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
    color: var(--accent);
}

.about-text p {
    color: var(--light-gray);
    margin-bottom: 16px;
}

.about-highlights {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
}

.highlight-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.highlight-icon {
    width: 40px;
    height: 40px;
    background: rgba(0, 194, 255, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.about-visual {
    position: relative;
}

.about-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.company-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-row {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.info-label { color: var(--light-gray); font-size: 0.9rem; }
.info-value { font-weight: 600; color: var(--accent); }

/* ============================================
   SERVICES SECTION
   ============================================ */
.services { background: var(--dark); }

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

.service-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover::before { transform: scaleX(1); }

.service-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 194, 255, 0.2);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 194, 255, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--light-gray);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.service-tag {
    padding: 4px 12px;
    background: rgba(0, 194, 255, 0.08);
    color: var(--accent);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* ============================================
   CHARTS SECTION
   ============================================ */
.charts {
    background: var(--dark-gray);
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.chart-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
}

.chart-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
    color: var(--white);
}

.chart-card p {
    color: var(--light-gray);
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.chart-wrapper {
    position: relative;
    width: 220px;
    height: 220px;
    margin: 0 auto;
}

.chart-center-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.chart-center-text .number {
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--accent);
}

.chart-center-text .label {
    font-size: 0.7rem;
    color: var(--light-gray);
}

/* ============================================
   AI EDUCATION SECTION
   ============================================ */
.ai-edu {
    background: var(--dark);
    overflow: hidden;
}

.ai-edu .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.ai-edu-visual {
    position: relative;
}

.ai-edu-card {
    background: rgba(0, 194, 255, 0.03);
    border: 1px solid rgba(0, 194, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 40px;
    position: relative;
    overflow: hidden;
}

.ai-edu-card::before {
    content: 'AI';
    position: absolute;
    top: -20px;
    right: -20px;
    font-size: 6rem;
    font-weight: 900;
    color: rgba(0, 194, 255, 0.05);
}

.ai-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.ai-feature-icon {
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.ai-feature h4 {
    font-size: 1rem;
    margin-bottom: 4px;
}

.ai-feature p {
    color: var(--light-gray);
    font-size: 0.85rem;
}

/* ============================================
   WHY US SECTION
   ============================================ */
.why-us {
    background: var(--dark-gray);
}

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

.why-card {
    text-align: center;
    padding: 32px 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.why-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 194, 255, 0.2);
}

.why-number {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.why-card h3 {
    font-size: 1rem;
    margin-bottom: 8px;
}

.why-card p {
    color: var(--light-gray);
    font-size: 0.85rem;
}

/* ============================================
   NEWS SECTION
   ============================================ */
.news { background: var(--dark); }

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

.news-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
}

.news-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.news-img {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.news-body {
    padding: 24px;
}

.news-meta {
    display: flex;
    gap: 12px;
    font-size: 0.8rem;
    color: var(--light-gray);
    margin-bottom: 12px;
}

.news-meta .date::before { content: '📅 '; }
.news-meta .category { color: var(--accent); }

.news-body h3 {
    font-size: 1.05rem;
    margin-bottom: 8px;
    line-height: 1.4;
}

.news-body p {
    color: var(--light-gray);
    font-size: 0.85rem;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact { background: var(--dark-gray); }

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    background: rgba(0, 194, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 0.9rem;
    margin-bottom: 4px;
    color: var(--accent);
}

.contact-item p {
    color: var(--light-gray);
    font-size: 0.9rem;
}

.contact-form {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: 32px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}

.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    color: var(--light-gray);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--white);
    font-size: 0.9rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(0, 194, 255, 0.05);
}

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

.form-group select option { background: var(--dark); }

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--dark);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--light-gray);
    font-size: 0.9rem;
    margin-top: 12px;
}

.footer-col h4 {
    font-size: 0.9rem;
    color: var(--accent);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    color: var(--light-gray);
    font-size: 0.85rem;
}

.footer-col ul li a:hover { color: var(--accent); }

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--light-gray);
}

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

.social-link {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--accent);
    color: var(--dark);
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    background: var(--gradient-accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
    color: var(--dark);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 194, 255, 0.3);
}

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

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

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
    .hero h1 { font-size: 2.5rem; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .charts-grid { grid-template-columns: repeat(2, 1fr); }
    .why-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .navbar { top: 0; }
    .hero { padding-top: 80px; }
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero h1 { font-size: 2rem; }
    .hero p { margin: 0 auto 32px; }
    .hero-buttons { justify-content: center; }
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(13, 17, 23, 0.98);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 12px;
        z-index: 999;
    }
    .nav-links.active { display: flex; }
    .nav-links a { font-size: 1.2rem; padding: 12px 24px; }
    .mobile-menu-btn { display: flex; }
    .about-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .charts-grid { grid-template-columns: 1fr; }
    .ai-edu .container { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr 1fr; }
    .news-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
    section { padding: 60px 0; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.6rem; }
    .section-title { font-size: 1.6rem; }
    .hero-stats { grid-template-columns: 1fr; }
    .why-grid { grid-template-columns: 1fr; }
}