/* ===== RESET & BASE ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-200: #99f6e4;
    --teal-400: #2dd4bf;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --teal-800: #115e59;
    --teal-900: #134e4a;
    
    --slate-50: #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    
    --accent: #f59e0b;
    --accent-light: #fef3c7;
    
    --white: #ffffff;
    --black: #0f172a;
    
    --font-heading: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;
    
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 4px 16px rgba(15, 23, 42, 0.1);
    --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.15);
    --shadow-xl: 0 20px 60px rgba(15, 23, 42, 0.2);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
}

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

body {
    font-family: var(--font-body);
    color: var(--slate-800);
    background: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

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

.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--teal-700);
    color: var(--white);
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 600;
}

.skip-link:focus {
    top: 16px;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--slate-200);
    transition: box-shadow 0.3s ease;
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.1rem;
    color: var(--teal-800);
}

.logo-mark {
    color: var(--teal-600);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 8px;
}

.nav-links a {
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--slate-600);
    transition: color 0.2s, background 0.2s;
}

.nav-links a:hover {
    color: var(--teal-700);
    background: var(--teal-50);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
}

.hamburger {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--slate-700);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

.hamburger::before,
.hamburger::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: var(--slate-700);
    border-radius: 2px;
    transition: transform 0.3s;
}

.mobile-menu-btn[aria-expanded="true"] .hamburger {
    transform: translateX(100px);
    opacity: 0;
}

.mobile-menu-btn[aria-expanded="true"] .hamburger::before {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn[aria-expanded="true"] .hamburger::after {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--slate-800);
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.12;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--teal-500);
    top: -200px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -100px;
    left: -100px;
    animation: float 10s ease-in-out infinite reverse;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--teal-400);
    top: 40%;
    left: 55%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(20px, -20px) scale(1.05); }
    66% { transform: translate(-10px, 15px) scale(0.95); }
}

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

.hero-card {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-xl);
}

.tag {
    display: inline-block;
    background: var(--teal-100);
    color: var(--teal-800);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 20px;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.2rem);
    font-weight: 800;
    line-height: 1.1;
    color: var(--slate-900);
    margin-bottom: 20px;
}

.hero-title .highlight {
    color: var(--teal-600);
    position: relative;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--teal-200);
    border-radius: 3px;
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--slate-600);
    line-height: 1.7;
    margin-bottom: 32px;
}

.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.95rem;
    transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-primary {
    background: var(--teal-600);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--teal-700);
}

.btn-secondary {
    background: var(--slate-100);
    color: var(--slate-800);
}

.btn-secondary:hover {
    background: var(--slate-200);
}

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

.hero-stats {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.stat-card {
    border-radius: var(--radius-lg);
    padding: 28px 32px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    box-shadow: var(--shadow-lg);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateX(8px);
}

.stat-card--teal {
    background: var(--teal-600);
    color: var(--white);
}

.stat-card--slate {
    background: var(--slate-700);
    color: var(--white);
}

.stat-card--accent {
    background: var(--accent);
    color: var(--slate-900);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.4rem;
    font-weight: 800;
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.85;
    font-weight: 500;
}

/* ===== SECTION COMMON ===== */
.section-tag {
    display: inline-block;
    background: var(--teal-100);
    color: var(--teal-800);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 800;
    line-height: 1.15;
    color: var(--slate-900);
    margin-bottom: 20px;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--slate-500);
    max-width: 560px;
}

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

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

.about-content p {
    font-size: 1.05rem;
    color: var(--slate-600);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-weight: 500;
    color: var(--slate-700);
}

.feature-icon {
    width: 44px;
    height: 44px;
    background: var(--teal-100);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-700);
    flex-shrink: 0;
}

.about-image {
    position: relative;
}

.image-frame {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.image-frame img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.image-accent {
    position: absolute;
    width: 120px;
    height: 120px;
    background: var(--accent);
    border-radius: var(--radius-lg);
    bottom: -30px;
    right: -30px;
    z-index: -1;
    opacity: 0.6;
}

/* ===== PRODUCTS ===== */
.products {
    padding: 120px 0;
    background: var(--slate-50);
}

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

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

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

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s, box-shadow 0.3s;
}

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

.product-image {
    height: 240px;
    overflow: hidden;
}

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

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

.product-info {
    padding: 28px;
}

.product-info h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 10px;
}

.product-info p {
    font-size: 0.95rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* ===== CONTACT ===== */
.contact {
    padding: 120px 0;
    background: var(--slate-800);
    color: var(--white);
}

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

.contact .section-tag {
    background: rgba(45, 212, 191, 0.2);
    color: var(--teal-400);
}

.contact .section-title {
    color: var(--white);
}

.contact-desc {
    font-size: 1.05rem;
    color: var(--slate-400);
    line-height: 1.8;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

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

.contact-icon {
    width: 44px;
    height: 44px;
    background: rgba(45, 212, 191, 0.15);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-400);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--slate-400);
    margin-bottom: 4px;
}

.contact-item p {
    color: var(--white);
    font-size: 1rem;
    line-height: 1.6;
}

.contact-item a {
    color: var(--teal-400);
    transition: color 0.2s;
}

.contact-item a:hover {
    color: var(--teal-300);
    text-decoration: underline;
}

.map-link {
    background: var(--teal-600);
    color: var(--white);
}

.map-link:hover {
    background: var(--teal-500);
}

.contact-form-wrapper {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-xl);
}

.contact-form h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 24px;
}

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

.form-group label {
    display: block;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--slate-700);
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--slate-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--slate-800);
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--white);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--teal-500);
    box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--slate-400);
}

.form-success {
    text-align: center;
    margin-top: 16px;
    color: var(--teal-700);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--slate-900);
    color: var(--slate-400);
    padding: 64px 0 0;
}

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

.footer-brand .logo {
    color: var(--white);
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.7;
    max-width: 280px;
}

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

.footer-links a {
    color: var(--slate-400);
    font-size: 0.95rem;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--teal-400);
}

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

.footer-contact a {
    color: var(--slate-400);
    font-size: 0.95rem;
    transition: color 0.2s;
}

.footer-contact a:hover {
    color: var(--teal-400);
}

.footer-bottom {
    border-top: 1px solid var(--slate-800);
    padding: 24px 0;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: var(--slate-500);
    text-align: center;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== MOBILE MENU ===== */
.mobile-nav {
    display: none;
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--slate-200);
    padding: 16px 24px;
    box-shadow: var(--shadow-lg);
    z-index: 999;
}

.mobile-nav.open {
    display: block;
}

.mobile-nav a {
    display: block;
    padding: 12px 16px;
    font-weight: 500;
    color: var(--slate-700);
    border-radius: var(--radius-sm);
    transition: background 0.2s, color 0.2s;
}

.mobile-nav a:hover {
    background: var(--teal-50);
    color: var(--teal-700);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
    }
    
    .stat-card {
        flex: 1;
        min-width: 140px;
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image {
        order: -1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .product-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        padding: 100px 0 60px;
    }
    
    .hero-card {
        padding: 32px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        justify-content: center;
    }
    
    .product-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 28px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-card {
        padding: 24px;
    }
    
    .stat-card {
        padding: 20px 24px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .shape {
        animation-duration: 8s;
    }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}