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

:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-200: #99f6e4;
    --teal-300: #5eead4;
    --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;
    --slate-950: #020617;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--font-sans);
    color: var(--slate-800);
    background: var(--slate-50);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

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

ul { list-style: none; }

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

/* PRELOADER */
.preloader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: var(--slate-950);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.preloader-inner {
    text-align: center;
}

.preloader-logo {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 700;
    color: var(--teal-400);
    margin-bottom: 24px;
    animation: preloaderPulse 1.2s ease-in-out infinite;
}

.preloader-bar {
    width: 120px;
    height: 3px;
    background: var(--slate-700);
    border-radius: 3px;
    overflow: hidden;
    margin: 0 auto;
}

.preloader-bar::after {
    content: '';
    display: block;
    width: 40%;
    height: 100%;
    background: var(--teal-400);
    border-radius: 3px;
    animation: preloaderSlide 1s ease-in-out infinite;
}

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

@keyframes preloaderSlide {
    0% { transform: translateX(-300%); }
    100% { transform: translateX(450%); }
}

/* HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    padding: 14px 0;
    box-shadow: 0 4px 30px rgba(0,0,0,0.15);
}

.header .container {
    display: flex;
    align-items: center;
    gap: 32px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-mark {
    width: 38px;
    height: 38px;
    background: var(--teal-500);
    color: white;
    font-family: var(--font-display);
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.logo-text {
    font-weight: 600;
    font-size: 1.1rem;
    color: white;
    letter-spacing: -0.01em;
}

.nav-list {
    display: flex;
    gap: 8px;
    margin: 0 auto;
}

.nav-link {
    color: var(--slate-300);
    font-size: 0.9rem;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-link:hover {
    color: white;
    background: rgba(255,255,255,0.08);
}

.nav-cta {
    flex-shrink: 0;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

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

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

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

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

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-sans);
    font-weight: 600;
    border-radius: var(--radius-sm);
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--teal-700);
    border-color: var(--teal-700);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(13, 148, 136, 0.35);
}

.btn-outline-light {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.4);
}

.btn-outline-light:hover {
    background: white;
    color: var(--slate-900);
    border-color: white;
    transform: translateY(-2px);
}

.btn-outline-dark {
    background: transparent;
    color: var(--slate-700);
    border-color: var(--slate-300);
}

.btn-outline-dark:hover {
    background: var(--slate-800);
    color: white;
    border-color: var(--slate-800);
    transform: translateY(-2px);
}

.btn-sm { padding: 8px 20px; font-size: 0.875rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-block { width: 100%; padding: 14px 24px; }

/* HERO */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--slate-950);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('https://images.pexels.com/photos/7195811/pexels-photo-7195811.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center center / cover no-repeat;
    opacity: 0.45;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(2, 6, 23, 0.92) 0%, rgba(15, 23, 42, 0.82) 50%, rgba(17, 94, 89, 0.6) 100%);
}

.hero-grid {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-content {
    max-width: 720px;
    padding: 120px 0 80px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(13, 148, 136, 0.2);
    border: 1px solid rgba(13, 148, 136, 0.4);
    color: var(--teal-300);
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    margin-bottom: 28px;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.4rem, 5vw, 4rem);
    font-weight: 700;
    color: white;
    line-height: 1.12;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--slate-300);
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 560px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 64px;
}

.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: 1.8rem;
    font-weight: 700;
    color: var(--teal-400);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--slate-400);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.hero-stat-divider {
    width: 1px;
    height: 40px;
    background: var(--slate-700);
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.hero-scroll a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--slate-400);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-weight: 500;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, var(--teal-400), transparent);
    animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine {
    0% { transform: scaleY(0); transform-origin: top; }
    50% { transform: scaleY(1); transform-origin: top; }
    51% { transform-origin: bottom; }
    100% { transform: scaleY(0); transform-origin: bottom; }
}

/* SECTION COMMON */
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--teal-600);
    margin-bottom: 16px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: var(--slate-900);
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.05rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* SERVICES */
.services {
    padding: 100px 0;
    background: white;
}

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

.service-card {
    background: var(--slate-50);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-md);
    padding: 36px 28px;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--teal-300);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    background: white;
}

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--teal-500), var(--teal-700));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 20px;
}

.service-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 10px;
}

.service-desc {
    font-size: 0.925rem;
    color: var(--slate-500);
    line-height: 1.65;
}

/* ABOUT */
.about {
    padding: 100px 0;
    background: var(--slate-50);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    height: 700px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-image-accent {
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    background: var(--teal-100);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-content {
    max-width: 520px;
}

.about-text {
    font-size: 1rem;
    color: var(--slate-600);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 32px 0 40px;
}

.about-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.925rem;
    font-weight: 500;
    color: var(--slate-700);
}

.about-feature svg {
    color: var(--teal-600);
    flex-shrink: 0;
}

/* GALLERY */
.gallery {
    padding: 100px 0;
    background: white;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.gallery-item:nth-child(1) img,
.gallery-item:nth-child(4) img,
.gallery-item:nth-child(6) img {
    height: 400px;
}

.gallery-item:nth-child(2) img,
.gallery-item:nth-child(3) img,
.gallery-item:nth-child(5) img {
    height: 280px;
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-item-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(2, 6, 23, 0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: var(--transition);
}

.gallery-item:hover .gallery-item-overlay {
    opacity: 1;
}

.gallery-item-overlay span {
    color: white;
    font-weight: 600;
    font-size: 1rem;
}

/* CTA BANNER */
.cta-banner {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--slate-900) 0%, var(--teal-900) 100%);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(20, 184, 166, 0.15) 0%, transparent 70%);
    border-radius: 50%;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-content .section-tag {
    color: var(--teal-300);
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: white;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.cta-subtitle {
    font-size: 1.1rem;
    color: var(--slate-300);
    line-height: 1.7;
    margin-bottom: 40px;
}

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

/* CONTACT */
.contact {
    padding: 100px 0;
    background: var(--slate-50);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
}

.contact-desc {
    font-size: 1rem;
    color: var(--slate-500);
    line-height: 1.7;
    margin-bottom: 36px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
    margin-bottom: 36px;
}

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

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--teal-50);
    border: 1px solid var(--teal-100);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--teal-600);
    flex-shrink: 0;
}

.contact-item strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--slate-900);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.95rem;
    color: var(--slate-600);
    line-height: 1.6;
}

.contact-item a {
    color: var(--teal-600);
}

.contact-item a:hover {
    color: var(--teal-700);
    text-decoration: underline;
}

.contact-map {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

/* CONTACT FORM */
.contact-form-wrap {
    max-width: 100%;
}

.contact-form-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 44px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--slate-200);
}

.form-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 8px;
}

.form-desc {
    font-size: 0.925rem;
    color: var(--slate-500);
    margin-bottom: 32px;
}

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

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--slate-700);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-input {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid var(--slate-200);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--slate-800);
    background: var(--slate-50);
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--teal-500);
    background: white;
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

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

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

.form-success {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

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

.success-icon {
    width: 64px;
    height: 64px;
    background: var(--teal-50);
    border: 2px solid var(--teal-200);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--teal-600);
}

.form-success h4 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 8px;
}

.form-success p {
    font-size: 0.95rem;
    color: var(--slate-500);
}

/* FOOTER */
.footer {
    background: var(--slate-950);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid var(--slate-800);
}

.footer-brand .logo {
    margin-bottom: 16px;
}

.footer-brand p {
    font-size: 0.925rem;
    color: var(--slate-400);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--slate-300);
    margin-bottom: 20px;
}

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

.footer-links li a,
.footer-contact li a {
    font-size: 0.925rem;
    color: var(--slate-400);
}

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

.footer-contact li {
    font-size: 0.925rem;
    color: var(--slate-400);
    line-height: 1.7;
}

.footer-bottom {
    padding: 24px 0;
    text-align: center;
}

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

/* REVEAL ANIMATIONS */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal[data-reveal] {
    opacity: 0;
    transform: translateY(30px);
}

.reveal[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}

/* MOBILE NAV OVERLAY */
.nav-mobile-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(2, 6, 23, 0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.nav-mobile-overlay.open {
    display: flex;
}

.nav-mobile-overlay .nav-link {
    font-size: 1.5rem;
    padding: 16px 32px;
    color: var(--slate-300);
}

.nav-mobile-overlay .nav-link:hover {
    color: white;
}

/* RESPONSIVE */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-grid {
        gap: 40px;
    }
    
    .about-image img {
        height: 500px;
    }
}

@media (max-width: 768px) {
    .nav, .nav-cta {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-content {
        padding: 100px 0 60px;
    }
    
    .hero-stats {
        gap: 20px;
    }
    
    .stat-number {
        font-size: 1.4rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: -1;
    }
    
    .about-image img {
        height: 400px;
    }
    
    .about-image-accent {
        display: none;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .gallery-item:nth-child(1) img,
    .gallery-item:nth-child(4) img,
    .gallery-item:nth-child(6) img {
        height: 280px;
    }
    
    .gallery-item:nth-child(2) img,
    .gallery-item:nth-child(3) img,
    .gallery-item:nth-child(5) img {
        height: 220px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .contact-form-card {
        padding: 28px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 16px;
    }
    
    .hero-stat-divider {
        display: none;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item:nth-child(1) img,
    .gallery-item:nth-child(4) img,
    .gallery-item:nth-child(6) img {
        height: 300px;
    }
    
    .gallery-item:nth-child(2) img,
    .gallery-item:nth-child(3) img,
    .gallery-item:nth-child(5) img {
        height: 260px;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .reveal[data-reveal] {
        opacity: 0;
        transform: translateY(30px);
    }
}

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