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

:root {
    --midnight: #0a2540;
    --midnight-light: #123a5e;
    --midnight-dark: #061a2e;
    --mint: #5eead4;
    --mint-light: #8ff5e8;
    --mint-dark: #3dd4b8;
    --cream: #f5f7f5;
    --white: #ffffff;
    --gray-100: #f0f2f0;
    --gray-200: #e2e5e2;
    --gray-300: #c5c9c5;
    --gray-400: #8a908a;
    --gray-500: #5c625c;
    --gray-600: #3d423d;
    --serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(10, 37, 64, 0.08);
    --shadow-md: 0 4px 20px rgba(10, 37, 64, 0.12);
    --shadow-lg: 0 12px 48px rgba(10, 37, 64, 0.16);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: var(--sans);
    color: var(--midnight);
    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;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Navigation ===== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: transparent;
    transition: background var(--transition), box-shadow var(--transition);
}

.nav.scrolled {
    background: rgba(10, 37, 64, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--serif);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--white);
    letter-spacing: -0.01em;
}

.nav-logo-icon {
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color var(--transition);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--mint);
    transition: width var(--transition);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    background: var(--mint) !important;
    color: var(--midnight) !important;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-weight: 600;
    transition: background var(--transition), transform var(--transition) !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    background: var(--mint-light) !important;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    color: var(--white);
}

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 37, 64, 0.88) 0%,
        rgba(10, 37, 64, 0.72) 50%,
        rgba(10, 37, 64, 0.60) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    padding: 120px 24px 80px;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(94, 234, 212, 0.15);
    border: 1px solid rgba(94, 234, 212, 0.3);
    color: var(--mint);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease both;
}

.hero-headline {
    font-family: var(--serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
    animation: fadeInUp 0.8s 0.1s ease both;
}

.hero-headline em {
    color: var(--mint);
    font-style: italic;
}

.hero-sub {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.75);
    max-width: 620px;
    margin: 0 auto 40px;
    line-height: 1.7;
    animation: fadeInUp 0.8s 0.2s ease both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s 0.3s ease both;
}

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    color: rgba(255, 255, 255, 0.5);
    animation: bounce 2s infinite;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius);
    font-family: var(--sans);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--mint);
    color: var(--midnight);
    border-color: var(--mint);
}

.btn-primary:hover {
    background: var(--mint-light);
    border-color: var(--mint-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(94, 234, 212, 0.3);
}

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

.btn-outline:hover {
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.btn-outline-light {
    background: transparent;
    color: var(--midnight);
    border-color: var(--midnight);
}

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

.btn-large {
    padding: 18px 36px;
    font-size: 1.05rem;
}

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

/* ===== Stats ===== */
.stats {
    background: var(--midnight);
    padding: 48px 0;
}

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

.stat {
    text-align: center;
    padding: 16px;
}

.stat-number {
    display: block;
    font-family: var(--serif);
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--mint);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

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

.section-title {
    font-family: var(--serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--midnight);
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: 20px;
}

.section-title em {
    color: var(--mint-dark);
    font-style: italic;
}

.section-desc {
    font-size: 1.1rem;
    color: var(--gray-500);
    max-width: 560px;
    line-height: 1.7;
}

.section-header--center {
    text-align: center;
}

.section-header--center .section-desc {
    margin: 0 auto;
}

/* ===== Services ===== */
.services {
    padding: 120px 0;
    background: var(--cream);
}

.services .section-header {
    margin-bottom: 64px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: all var(--transition);
    border: 1px solid var(--gray-200);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(94, 234, 212, 0.12);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-card h3 {
    font-family: var(--serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--midnight);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--gray-500);
    line-height: 1.7;
}

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

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

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

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.about-image:hover img {
    transform: scale(1.03);
}

.about-content .section-tag {
    margin-bottom: 16px;
}

.about-text {
    font-size: 1.05rem;
    color: var(--gray-500);
    line-height: 1.8;
    margin-bottom: 20px;
}

.about-values {
    margin-top: 32px;
    display: grid;
    gap: 16px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--midnight);
}

.value-item svg {
    flex-shrink: 0;
}

/* ===== Materials ===== */
.materials {
    padding: 120px 0;
    background: var(--midnight);
}

.materials .section-tag {
    color: var(--mint);
}

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

.materials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-top: 56px;
    margin-bottom: 40px;
}

.material-item {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    padding: 28px 24px;
    transition: all var(--transition);
}

.material-item:hover {
    background: rgba(94, 234, 212, 0.1);
    border-color: rgba(94, 234, 212, 0.3);
    transform: translateY(-2px);
}

.material-name {
    display: block;
    font-family: var(--serif);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}

.material-detail {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.5;
}

.materials-note {
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.95rem;
    font-style: italic;
    font-family: var(--serif);
}

/* ===== CTA Banner ===== */
.cta-banner {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--mint-dark) 0%, var(--mint) 50%, var(--mint-light) 100%);
}

.cta-inner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-family: var(--serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 900;
    color: var(--midnight);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.cta-title em {
    font-style: italic;
}

.cta-desc {
    font-size: 1.1rem;
    color: rgba(10, 37, 64, 0.7);
    margin-bottom: 40px;
    line-height: 1.7;
}

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

/* ===== Contact ===== */
.contact {
    padding: 120px 0;
    background: var(--cream);
}

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

.contact-desc {
    font-size: 1.05rem;
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 40px;
}

.contact-details {
    display: grid;
    gap: 28px;
}

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

.contact-item svg {
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-item strong {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--gray-400);
    margin-bottom: 4px;
}

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

.contact-item a {
    color: var(--midnight);
    transition: color var(--transition);
}

.contact-item a:hover {
    color: var(--mint-dark);
}

/* ===== Form ===== */
.contact-form-wrapper {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-200);
}

.form-title {
    font-family: var(--serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--midnight);
    margin-bottom: 32px;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    border: 1.5px solid var(--gray-200);
    border-radius: var(--radius);
    font-family: var(--sans);
    font-size: 0.95rem;
    color: var(--midnight);
    background: var(--white);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--mint-dark);
    box-shadow: 0 0 0 3px rgba(94, 234, 212, 0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-300);
}

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

.form-success {
    display: none;
    align-items: center;
    gap: 10px;
    padding: 16px 20px;
    background: rgba(94, 234, 212, 0.12);
    border: 1px solid rgba(94, 234, 212, 0.3);
    border-radius: var(--radius);
    color: var(--midnight);
    font-weight: 500;
    margin-top: 16px;
}

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

/* ===== Map ===== */
.map-section {
    border-top: 1px solid var(--gray-200);
}

.map-inner {
    height: 400px;
    filter: grayscale(0.4) contrast(1.1);
}

/* ===== Footer ===== */
.footer {
    background: var(--midnight-dark);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 56px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--serif);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--white);
    margin-bottom: 16px;
}

.footer-tagline {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
    max-width: 280px;
}

.footer-links,
.footer-contact {
    display: grid;
    gap: 12px;
}

.footer-links strong,
.footer-contact strong {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--mint);
    margin-bottom: 4px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}

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

.footer-contact p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.footer-contact a {
    color: rgba(255, 255, 255, 0.5);
    transition: color var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-8px);
    }
    60% {
        transform: translateX(-50%) translateY(-4px);
    }
}

/* Scroll reveal */
.reveal {
    opacity: 0;
    transform: translateY(32px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .about-grid {
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--midnight);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        transition: right var(--transition);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
    }

    .nav-links.open {
        right: 0;
    }

    .nav-toggle {
        display: block;
        z-index: 1001;
    }

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

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

    .about-image {
        order: -1;
    }

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

    .contact-form-wrapper {
        padding: 32px 24px;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

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

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

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

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-actions .btn-large {
        width: 100%;
        justify-content: center;
    }
}

/* Mobile nav overlay */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.nav-overlay.show {
    display: block;
}