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

:root {
    --teal-50: #f0fdfa;
    --teal-100: #ccfbf1;
    --teal-200: #99f6e4;
    --teal-500: #14b8a6;
    --teal-600: #0d9488;
    --teal-700: #0f766e;
    --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;
    --white: #ffffff;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Playfair Display', Georgia, serif;
}

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.7;
    color: var(--slate-700);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color 0.2s ease;
}

ul {
    list-style: none;
}

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

/* ─── Typography ─── */
.eyebrow {
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--teal-600);
    margin-bottom: 16px;
}

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.2;
    color: var(--slate-900);
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 3vw, 2.75rem);
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

h4 {
    font-size: 1.1rem;
    font-family: var(--font-sans);
    font-weight: 500;
}

/* ─── Buttons ─── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-family: var(--font-sans);
    font-weight: 400;
    font-size: 0.875rem;
    letter-spacing: 0.04em;
    border-radius: 4px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: all 0.25s ease;
}

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

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

.btn-outline {
    background: transparent;
    color: var(--teal-600);
    border-color: var(--teal-600);
}

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

.btn-text {
    background: transparent;
    color: var(--slate-500);
    padding: 14px 0;
    border: none;
}

.btn-text:hover {
    color: var(--teal-600);
}

.btn-full {
    width: 100%;
}

/* ─── Header ─── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--slate-200);
}

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

.logo {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--slate-900);
}

.main-nav ul {
    display: flex;
    align-items: center;
    gap: 40px;
}

.main-nav a {
    font-size: 0.8125rem;
    font-weight: 400;
    letter-spacing: 0.04em;
    color: var(--slate-500);
}

.main-nav a:hover {
    color: var(--teal-600);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--slate-700);
    padding: 8px;
}

/* ─── Hero ─── */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 72px;
    position: relative;
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding-top: 40px;
    padding-bottom: 80px;
}

.hero-content {
    padding-right: 20px;
}

.hero h1 {
    margin-bottom: 28px;
}

.hero-sub {
    font-size: 1.1rem;
    color: var(--slate-500);
    max-width: 440px;
    margin-bottom: 40px;
    line-height: 1.8;
}

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

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
    border-radius: 4px;
}

.hero-line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--slate-200);
}

/* ─── Section Base ─── */
.section {
    padding: 120px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 72px;
}

.section-header h2 {
    margin-bottom: 16px;
}

/* ─── Services ─── */
.services {
    background: var(--slate-50);
}

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

.service-card {
    background: var(--white);
    padding: 40px 32px;
    border-radius: 4px;
    border: 1px solid var(--slate-200);
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--teal-200);
    box-shadow: 0 8px 32px rgba(13, 148, 136, 0.08);
    transform: translateY(-4px);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    background: var(--teal-50);
    color: var(--teal-600);
    margin-bottom: 24px;
}

.service-card h3 {
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.02em;
    margin-bottom: 12px;
    color: var(--slate-900);
}

.service-card p {
    font-size: 0.9375rem;
    color: var(--slate-500);
    line-height: 1.7;
}

/* ─── About ─── */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image img {
    width: 100%;
    height: 560px;
    object-fit: cover;
    border-radius: 4px;
}

.about-content h2 {
    margin-bottom: 28px;
}

.about-content > p {
    color: var(--slate-500);
    margin-bottom: 16px;
    font-size: 1rem;
}

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

.about-list li {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 0.9375rem;
    color: var(--slate-600);
}

.check-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--teal-50);
    color: var(--teal-600);
    flex-shrink: 0;
}

/* ─── Projects ─── */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.project-card {
    border-radius: 4px;
    overflow: hidden;
    border: 1px solid var(--slate-200);
    transition: all 0.3s ease;
}

.project-card:hover {
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.project-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.project-info {
    padding: 24px;
    background: var(--white);
}

.project-cat {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--teal-600);
    display: block;
    margin-bottom: 8px;
}

.project-info h4 {
    font-family: var(--font-sans);
    font-weight: 500;
    color: var(--slate-800);
}

/* ─── Contact ─── */
.contact {
    background: var(--slate-900);
    color: var(--white);
}

.contact .eyebrow {
    color: var(--teal-200);
}

.contact h2 {
    color: var(--white);
    margin-bottom: 20px;
}

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

.contact > .container > .contact-grid > div > p {
    color: var(--slate-400);
    margin-bottom: 48px;
    font-size: 1rem;
}

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

.contact-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.contact-label {
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--slate-500);
}

.contact-value {
    font-size: 1rem;
    color: var(--white);
}

.contact-value a {
    color: var(--teal-200);
    transition: color 0.2s ease;
}

.contact-value a:hover {
    color: var(--teal-100);
}

/* ─── Form ─── */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    background: var(--slate-800);
    border: 1px solid var(--slate-700);
    border-radius: 4px;
    padding: 14px 16px;
    font-family: var(--font-sans);
    font-size: 0.9375rem;
    color: var(--white);
    transition: border-color 0.2s ease;
    outline: none;
}

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

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--teal-500);
}

.form-group select {
    appearance: none;
    cursor: pointer;
}

.form-group select option {
    background: var(--slate-800);
    color: var(--white);
}

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

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--teal-700);
    border-radius: 4px;
    color: var(--white);
    font-size: 0.9375rem;
}

.form-success svg {
    flex-shrink: 0;
}

/* ─── Footer ─── */
.site-footer {
    background: var(--slate-900);
    border-top: 1px solid var(--slate-800);
    padding: 64px 0 0;
}

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

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

.footer-brand p {
    color: var(--slate-500);
    font-size: 0.875rem;
    max-width: 280px;
}

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

.footer-links a {
    font-size: 0.875rem;
    color: var(--slate-400);
}

.footer-links a:hover {
    color: var(--teal-200);
}

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

.footer-contact a {
    font-size: 0.875rem;
    color: var(--slate-400);
}

.footer-contact a:hover {
    color: var(--teal-200);
}

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

.footer-bottom p {
    font-size: 0.8125rem;
    color: var(--slate-600);
}

/* ─── Scroll Reveal ─── */
.reveal-up,
.reveal-left,
.reveal-right {
    opacity: 1;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-up {
    transform: translateY(0);
}

.reveal-left {
    transform: translateX(0);
}

.reveal-right {
    transform: translateX(0);
}

@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        transform: translateY(24px);
        opacity: 0;
    }

    .reveal-left {
        transform: translateX(-24px);
        opacity: 0;
    }

    .reveal-right {
        transform: translateX(24px);
        opacity: 0;
    }
}

/* ─── Responsive ─── */
@media (max-width: 1024px) {
    .hero .container {
        gap: 40px;
    }

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

    .about-grid,
    .contact > .container > .contact-grid {
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--slate-200);
        padding: 24px;
        transform: translateY(-120%);
        transition: transform 0.3s ease;
        z-index: 99;
    }

    .main-nav.active {
        transform: translateY(0);
    }

    .main-nav ul {
        flex-direction: column;
        gap: 20px;
    }

    .hero .container {
        grid-template-columns: 1fr;
        padding-bottom: 60px;
    }

    .hero-image {
        order: -1;
    }

    .hero-image img {
        height: 360px;
    }

    .hero-content {
        padding-right: 0;
    }

    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }

    .services-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .about-grid,
    .contact > .container > .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .about-image img {
        height: 360px;
    }

    .section {
        padding: 80px 0;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }

    h1 {
        font-size: 2.25rem;
    }

    h2 {
        font-size: 1.75rem;
    }
}