/* ========================================
   Alien Reef — Custom Styles
   Color Palette: Midnight Blue + Mint
   ======================================== */

:root {
    --midnight-blue: #0a1628;
    --midnight-blue-light: #132240;
    --midnight-blue-mid: #1a2d4a;
    --mint: #7ec8c8;
    --mint-light: #a8d8d8;
    --mint-pale: #d4eeee;
    --mint-dark: #5ba8a8;
    --white: #ffffff;
    --off-white: #f8fafb;
    --gray-50: #f1f5f8;
    --gray-100: #e2e8f0;
    --gray-200: #c8d6e0;
    --gray-400: #8fa3b8;
    --gray-600: #5a7189;
    --gray-800: #2d4a5e;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --transition-fast: 0.2s ease;
    --transition-medium: 0.4s ease;
    --transition-slow: 0.6s ease;
}

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

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

body {
    font-family: var(--font-body);
    font-weight: 300;
    color: var(--gray-800);
    background-color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

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

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

/* ========================================
   Navigation
   ======================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 20px 0;
    transition: all var(--transition-medium);
}

.navbar.scrolled {
    background: rgba(10, 22, 40, 0.95);
    backdrop-filter: blur(12px);
    padding: 14px 0;
    box-shadow: 0 1px 0 rgba(126, 200, 200, 0.1);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-weight: 400;
    letter-spacing: 0.02em;
}

.logo-icon {
    color: var(--mint);
}

.logo-text {
    font-size: 1.125rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    font-weight: 300;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    font-weight: 400;
    transition: color var(--transition-fast);
}

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

.nav-cta {
    color: var(--mint) !important;
    font-weight: 400 !important;
    letter-spacing: 0.04em !important;
    text-transform: none !important;
    font-size: 0.9375rem !important;
}

.nav-cta:hover {
    color: var(--mint-light) !important;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 8px;
    z-index: 1001;
}

.mobile-menu-btn span {
    display: block;
    width: 22px;
    height: 1.5px;
    background: var(--white);
    transition: all var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(4px, 5px);
}

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

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(4px, -5px);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    inset: 0;
    background: var(--midnight-blue);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-menu-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 28px;
}

.mobile-menu-link {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.25rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-weight: 300;
}

.mobile-menu-link:hover {
    color: var(--mint);
}

.mobile-menu-cta {
    color: var(--mint) !important;
    font-size: 1.125rem !important;
    letter-spacing: 0.04em !important;
    text-transform: none !important;
    margin-top: 12px;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 22, 40, 0.88) 0%,
        rgba(19, 34, 64, 0.75) 50%,
        rgba(10, 22, 40, 0.85) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
    padding-top: 80px;
}

.hero-eyebrow {
    color: var(--mint);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 24px;
    font-weight: 400;
}

.hero-headline {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 5vw, 4.25rem);
    font-weight: 400;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 28px;
    letter-spacing: -0.01em;
}

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

.hero-subheadline {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 44px;
    max-width: 540px;
    font-weight: 300;
}

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

/* Scroll Indicator */
.hero-scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(to bottom, rgba(126, 200, 200, 0.6), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.4; transform: scaleY(1); }
    50% { opacity: 1; transform: scaleY(1.2); }
}

/* ========================================
   Buttons
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    font-size: 0.8125rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 400;
    border-radius: 2px;
    transition: all var(--transition-fast);
}

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

.btn-primary:hover {
    background: var(--mint-light);
    transform: translateY(-1px);
}

.btn-outline-light {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
    border-color: var(--mint);
    color: var(--mint);
}

.btn-full {
    width: 100%;
}

/* ========================================
   Section Styles
   ======================================== */
.section-eyebrow {
    color: var(--mint-dark);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 16px;
    font-weight: 400;
}

.section-eyebrow.light {
    color: var(--mint-light);
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 400;
    color: var(--midnight-blue);
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -0.01em;
}

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

.section-line {
    width: 48px;
    height: 1px;
    background: var(--mint);
    margin-bottom: 32px;
}

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

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

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

.service-card {
    padding: 48px 40px;
    border: 1px solid var(--gray-100);
    border-radius: 4px;
    transition: all var(--transition-medium);
    opacity: 1;
}

.service-card:hover {
    border-color: var(--mint);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(10, 22, 40, 0.08);
}

.service-icon {
    color: var(--mint-dark);
    margin-bottom: 24px;
}

.service-card h3 {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--midnight-blue);
    margin-bottom: 14px;
}

.service-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.75;
}

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

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

.about-image-wrapper {
    position: relative;
}

.about-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: 4px;
}

.about-image-accent {
    position: absolute;
    bottom: -24px;
    right: -24px;
    width: 200px;
    height: 200px;
    border: 1px solid var(--mint);
    border-radius: 4px;
    z-index: -1;
}

.about-content .section-eyebrow {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
}

.about-content .section-line {
    margin-bottom: 32px;
}

.about-text {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.85;
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    gap: 48px;
    margin-top: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--gray-100);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--midnight-blue);
    font-weight: 400;
}

.stat-label {
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray-400);
}

/* ========================================
   Gallery Section
   ======================================== */
.gallery {
    padding: 120px 0;
    background: var(--white);
}

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(2, 280px);
    gap: 20px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 4px;
    cursor: pointer;
}

.gallery-item:nth-child(1) {
    grid-column: 1 / 6;
    grid-row: 1 / 3;
}

.gallery-item:nth-child(2) {
    grid-column: 6 / 9;
    grid-row: 1 / 2;
}

.gallery-item:nth-child(3) {
    grid-column: 9 / 13;
    grid-row: 1 / 2;
}

.gallery-item:nth-child(4) {
    grid-column: 6 / 13;
    grid-row: 2 / 3;
}

.gallery-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-item:hover .gallery-image {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 22, 40, 0.8), transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

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

.gallery-overlay span {
    color: var(--white);
    font-size: 0.8125rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    position: relative;
    padding: 120px 0;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
}

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

.cta-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 22, 40, 0.92) 0%,
        rgba(19, 34, 64, 0.88) 100%
    );
}

.cta-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}

.cta-content .section-title {
    margin-bottom: 24px;
}

.cta-text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: 44px;
}

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

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

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

.contact-info .section-eyebrow {
    text-align: left;
}

.contact-info .section-title {
    text-align: left;
}

.contact-info .section-line {
    margin-bottom: 32px;
}

.contact-text {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.85;
    margin-bottom: 40px;
}

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

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    color: var(--mint-dark);
    flex-shrink: 0;
    margin-top: 2px;
}

.contact-label {
    display: block;
    font-size: 0.6875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gray-400);
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    color: var(--midnight-blue);
    font-size: 0.9375rem;
    line-height: 1.6;
}

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

/* Contact Form */
.contact-form-wrapper {
    background: var(--white);
    padding: 48px;
    border-radius: 4px;
    border: 1px solid var(--gray-100);
}

.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;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gray-600);
}

.form-group input,
.form-group textarea {
    border: 1px solid var(--gray-100);
    border-radius: 2px;
    padding: 14px 16px;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 300;
    color: var(--midnight-blue);
    background: var(--off-white);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--mint);
    background: var(--white);
}

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

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

.form-success {
    display: none;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: var(--mint-pale);
    color: var(--midnight-blue);
    font-size: 0.875rem;
    border-radius: 2px;
    margin-top: 8px;
}

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

.form-success svg {
    color: var(--mint-dark);
    flex-shrink: 0;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--midnight-blue);
    padding: 80px 0 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-tagline {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    line-height: 1.75;
    max-width: 280px;
}

.footer-links h4,
.footer-contact h4 {
    color: var(--white);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 20px;
    font-weight: 400;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
}

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

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

.footer-contact p,
.footer-contact a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.875rem;
    line-height: 1.6;
}

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

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.8125rem;
}

/* ========================================
   Scroll Reveal Animations
   Only applied when JS is available and user prefers motion
   ======================================== */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Default visible state for reduced-motion / no-JS */
.reveal {
    opacity: 1;
    transform: none;
}

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .about-grid {
        gap: 48px;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }
    
    .gallery-item:nth-child(1) {
        grid-column: 1 / 3;
        grid-row: auto;
        height: 350px;
    }
    
    .gallery-item:nth-child(2),
    .gallery-item:nth-child(3) {
        grid-column: auto;
        grid-row: auto;
        height: 240px;
    }
    
    .gallery-item:nth-child(4) {
        grid-column: 1 / 3;
        grid-row: auto;
        height: 300px;
    }
    
    .contact-grid {
        gap: 48px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero {
        min-height: 600px;
    }
    
    .hero-content {
        padding-top: 60px;
    }
    
    .hero-actions {
        flex-direction: column;
    }
    
    .hero-actions .btn {
        text-align: center;
    }
    
    .services {
        padding: 80px 0;
    }
    
    .service-card {
        padding: 36px 28px;
    }
    
    .about {
        padding: 80px 0;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .about-image {
        height: 350px;
    }
    
    .about-image-accent {
        display: none;
    }
    
    .about-stats {
        gap: 32px;
    }
    
    .gallery {
        padding: 80px 0;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-item:nth-child(1),
    .gallery-item:nth-child(4) {
        grid-column: auto;
    }
    
    .gallery-item {
        height: 260px;
    }
    
    .cta-section {
        padding: 80px 0;
    }
    
    .cta-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .contact {
        padding: 80px 0;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .contact-form-wrapper {
        padding: 32px 24px;
    }
    
    .footer {
        padding: 60px 0 32px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-headline {
        font-size: 2.125rem;
    }
    
    .about-stats {
        flex-direction: column;
        gap: 24px;
    }
}