/* ========================================
   CNSEC.io - Cloud Native Security
   Dark, Professional, Edgy
   ======================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #07070d;
    --bg-elevated: #0d0d15;
    --bg-card: #111119;
    --bg-card-hover: #16161f;
    --surface: #1a1a24;
    --border: #1e1e2a;
    --border-light: #2a2a3a;
    --text: #e4e4ed;
    --text-secondary: #8888a0;
    --text-muted: #5a5a72;
    --accent: #00e5ff;
    --accent-dim: rgba(0, 229, 255, 0.12);
    --accent-glow: rgba(0, 229, 255, 0.3);
    --purple: #8b5cf6;
    --purple-dim: rgba(139, 92, 246, 0.12);
    --gradient: linear-gradient(135deg, var(--accent) 0%, var(--purple) 100%);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --radius: 8px;
    --radius-lg: 16px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========================================
   Navigation
   ======================================== */

nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(7, 7, 13, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(7, 7, 13, 0.95);
    border-bottom-color: var(--border-light);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 64px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0;
    text-decoration: none;
}

.logo-text {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.02em;
}

.logo-dot {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color 0.2s ease;
    letter-spacing: 0.01em;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-cta {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--bg) !important;
    background: var(--accent);
    padding: 0.5rem 1.25rem;
    border-radius: 6px;
    transition: all 0.2s ease;
    letter-spacing: 0.01em;
}

.nav-cta:hover {
    background: #33ebff;
    box-shadow: 0 0 20px var(--accent-glow);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text-secondary);
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -5px);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border);
    z-index: 999;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.mobile-menu.active {
    max-height: 400px;
}

.mobile-menu ul {
    list-style: none;
    padding: 1rem 1.5rem;
}

.mobile-menu li a {
    display: block;
    padding: 0.875rem 0;
    color: var(--text-secondary);
    font-weight: 500;
    border-bottom: 1px solid var(--border);
}

.mobile-menu li:last-child a {
    border-bottom: none;
}

.mobile-menu .nav-cta {
    display: block;
    text-align: center;
    margin: 0.5rem 1.5rem 1.5rem;
}

@media (max-width: 768px) {
    .nav-links, .nav-container > .nav-cta {
        display: none;
    }
    .mobile-menu-btn {
        display: block;
    }
    .mobile-menu {
        display: block;
    }
}

/* ========================================
   Hero
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 8rem 2rem 6rem;
}

.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 229, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 229, 255, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 40%, black 30%, transparent 100%);
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(100px);
    opacity: 0.4;
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-dim);
    border: 1px solid rgba(0, 229, 255, 0.2);
    padding: 0.375rem 1rem;
    border-radius: 100px;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    color: #fff;
}

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

.hero-sub {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 580px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--bg);
    background: var(--accent);
    padding: 0.875rem 2rem;
    border-radius: var(--radius);
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    background: #33ebff;
    box-shadow: 0 0 30px var(--accent-glow);
    transform: translateY(-1px);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text);
    background: transparent;
    padding: 0.875rem 2rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-light);
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-ghost:hover {
    border-color: var(--text-muted);
    background: var(--bg-card);
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
}

.stat-num {
    font-family: var(--font-mono);
    font-size: 1.75rem;
    font-weight: 700;
    color: #fff;
}

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

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--border);
}

/* ========================================
   Sections
   ======================================== */

.section {
    padding: 6rem 0;
}

.section-dark {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.section-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: #fff;
    margin-bottom: 1rem;
}

.section-header p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 520px;
    margin: 0 auto;
}

/* ========================================
   Products
   ======================================== */

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.product-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover {
    border-color: var(--border-light);
    background: var(--bg-card-hover);
}

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

.product-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-dim);
    border: 1px solid rgba(0, 229, 255, 0.15);
    border-radius: 10px;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.product-card:nth-child(2) .product-icon {
    background: var(--purple-dim);
    border-color: rgba(139, 92, 246, 0.15);
    color: var(--purple);
}

.product-label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.product-card:nth-child(2) .product-label {
    color: var(--purple);
}

.product-card h3 {
    font-size: 1.75rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.product-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.product-features {
    list-style: none;
    margin-bottom: 2rem;
}

.product-features li {
    padding: 0.375rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.product-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.75rem;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

.product-card:nth-child(2) .product-features li::before {
    background: var(--purple);
}

.product-link {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--accent);
    transition: gap 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.product-card:nth-child(2) .product-link {
    color: var(--purple);
}

.product-link:hover {
    gap: 0.5rem;
}

/* ========================================
   Features
   ======================================== */

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--border-light);
    transform: translateY(-2px);
}

.feature-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 1.25rem;
}

.feature-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.5rem;
}

.feature-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ========================================
   Why CNSEC
   ======================================== */

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

.why-item {
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--bg-card);
    transition: all 0.3s ease;
}

.why-item:hover {
    border-color: var(--border-light);
}

.why-num {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1rem;
}

.why-item h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
}

.why-item p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ========================================
   CTA
   ======================================== */

.section-cta {
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.section-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(80px);
    opacity: 0.3;
}

.cta-content {
    position: relative;
    text-align: center;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 3.5vw, 2.5rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.cta-content p {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

/* ========================================
   Footer
   ======================================== */

footer {
    border-top: 1px solid var(--border);
    padding: 4rem 0 2rem;
    background: var(--bg);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: 1rem;
    line-height: 1.6;
}

.footer-legal {
    color: var(--text-muted) !important;
    font-size: 0.8125rem !important;
    margin-top: 0.5rem !important;
}

.footer-col h5 {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color 0.2s ease;
}

.footer-col a:hover {
    color: var(--text);
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 968px) {
    .hero {
        padding: 7rem 1.5rem 4rem;
        min-height: auto;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero-sub {
        font-size: 1rem;
    }

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

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

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

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

    .section {
        padding: 4rem 0;
    }
}

@media (max-width: 640px) {
    .container {
        padding: 0 1.25rem;
    }

    .hero {
        padding: 6rem 1.25rem 3rem;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-sub {
        font-size: 0.9375rem;
    }

    .hero-stats {
        gap: 1.25rem;
    }

    .stat-num {
        font-size: 1.5rem;
    }

    .stat-divider {
        height: 30px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section {
        padding: 3rem 0;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .product-card {
        padding: 1.75rem;
    }
}

/* ========================================
   Page-specific: About, Products, etc.
   ======================================== */

.page-hero {
    padding: 8rem 2rem 4rem;
    text-align: center;
    position: relative;
}

.page-hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    color: #fff;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.page-hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 560px;
    margin: 0 auto;
}

/* Content pages (Privacy, Terms) */
.content-page {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
}

.content-page h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
}

.content-page h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
}

.content-page p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.content-page ul, .content-page ol {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.content-page li {
    margin-bottom: 0.5rem;
    line-height: 1.7;
}

.content-page a {
    color: var(--accent);
}

.content-page a:hover {
    text-decoration: underline;
}

.content-page strong {
    color: var(--text);
}

.content-highlight {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin: 1.5rem 0;
}

/* Contact Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    max-width: 960px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.contact-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-detail {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
    font-size: 0.9375rem;
}

.contact-detail svg {
    color: var(--accent);
    flex-shrink: 0;
}

.contact-form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.375rem;
    letter-spacing: 0.02em;
}

.form-group .required {
    color: var(--accent);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    transition: border-color 0.2s ease;
}

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

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%238888a0' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    background: var(--bg-card);
    color: var(--text);
}

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

.form-message {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1rem;
    font-size: 0.875rem;
    display: none;
}

.form-message.success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    color: #10b981;
    display: block;
}

.form-message.error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
    display: block;
}

/* About page */
.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.about-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
}

.about-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 0.75rem;
}

.about-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* Products page detail sections */
.product-detail {
    padding: 5rem 0;
    scroll-margin-top: 80px;
}

.product-detail:nth-child(even) {
    background: var(--bg-elevated);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.product-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.product-detail-content h2 {
    font-size: 2.25rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.product-detail-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.product-detail-features {
    list-style: none;
}

.product-detail-features li {
    padding: 0.5rem 0;
    padding-left: 1.75rem;
    position: relative;
    color: var(--text-secondary);
}

.product-detail-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.9rem;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
}

.product-detail-visual {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.product-detail-visual .code-line {
    display: block;
}

.product-detail-visual .code-comment {
    color: var(--text-muted);
}

.product-detail-visual .code-key {
    color: var(--accent);
}

.product-detail-visual .code-value {
    color: var(--purple);
}

.product-detail-visual .code-string {
    color: #10b981;
}

@media (max-width: 768px) {
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

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

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

    .page-hero {
        padding: 6rem 1.5rem 3rem;
    }
}