/* ===================================
   The Hair Emporium — Stylesheet
   Midnight Blue + Mint | Warm & Friendly
   =================================== */

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

:root {
    --midnight: #0a2540;
    --midnight-light: #0d3b56;
    --midnight-dark: #061a2e;
    --mint: #64ffda;
    --mint-light: #8fffd8;
    --mint-dark: #3dd9b0;
    --cream: #f7f9fc;
    --cream-warm: #f0f4f8;
    --white: #ffffff;
    --text-dark: #1a2a3a;
    --text-muted: #5a7a94;
    --text-light: #8aa8c0;
    --shadow-sm: 0 2px 8px rgba(10, 37, 64, 0.06);
    --shadow-md: 0 4px 20px rgba(10, 37, 64, 0.10);
    --shadow-lg: 0 8px 40px rgba(10, 37, 64, 0.14);
    --shadow-xl: 0 16px 60px rgba(10, 37, 64, 0.18);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.65;
    color: var(--text-dark);
    background-color: var(--cream);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

.skip-link {
    position: absolute;
    top: -100%;
    left: 16px;
    background: var(--midnight);
    color: var(--white);
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    z-index: 9999;
    font-weight: 600;
    transition: top var(--transition);
}

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

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1001;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--mint), var(--mint-dark));
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
}

.logo-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    border: 2px solid var(--white);
    border-radius: 50%;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--midnight);
    letter-spacing: -0.01em;
}

.site-header:not(.scrolled) .logo-text {
    color: var(--white);
}

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

.main-nav ul {
    display: flex;
    gap: 8px;
}

.main-nav ul li a {
    font-size: 0.938rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    padding: 8px 16px;
    border-radius: 100px;
    transition: color var(--transition), background var(--transition);
}

.site-header.scrolled .main-nav ul li a {
    color: var(--text-dark);
}

.main-nav ul li a:hover {
    color: var(--white);
    background: rgba(255, 255, 255, 0.15);
}

.site-header.scrolled .main-nav ul li a:hover {
    color: var(--midnight);
    background: rgba(10, 37, 64, 0.07);
}

.btn-nav {
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--midnight);
    background: var(--mint);
    padding: 10px 22px;
    border-radius: 100px;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    white-space: nowrap;
}

.btn-nav:hover {
    background: var(--mint-light);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(100, 255, 218, 0.4);
}

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

.nav-toggle-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--white);
    border-radius: 2px;
    transition: transform var(--transition), opacity var(--transition);
}

.site-header.scrolled .nav-toggle-line {
    background: var(--midnight);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* --- Hero --- */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, #0a2540 0%, #0d3b56 40%, #0f4a62 70%, #0d5e6e 100%);
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 60% at 20% 80%, rgba(100, 255, 218, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 20%, rgba(100, 255, 218, 0.06) 0%, transparent 60%);
}

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

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.5;
    animation: blobFloat 8s ease-in-out infinite;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: rgba(100, 255, 218, 0.12);
    top: -100px;
    right: -80px;
    animation-delay: 0s;
}

.blob-2 {
    width: 300px;
    height: 300px;
    background: rgba(100, 255, 218, 0.08);
    bottom: -50px;
    left: -60px;
    animation-delay: -3s;
}

.blob-3 {
    width: 200px;
    height: 200px;
    background: rgba(143, 255, 216, 0.1);
    top: 40%;
    left: 60%;
    animation-delay: -5s;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 120px 24px 80px;
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(100, 255, 218, 0.12);
    border: 1px solid rgba(100, 255, 218, 0.25);
    color: var(--mint);
    font-size: 0.875rem;
    font-weight: 600;
    padding: 8px 20px;
    border-radius: 100px;
    margin-bottom: 28px;
    letter-spacing: 0.02em;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--mint);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.3); }
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.75rem, 7vw, 5rem);
    font-weight: 600;
    color: var(--white);
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: clamp(1.05rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto 40px;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    padding: 14px 30px;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

.btn-icon {
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.btn-primary {
    background: var(--mint);
    color: var(--midnight);
    box-shadow: 0 4px 20px rgba(100, 255, 218, 0.35);
}

.btn-primary:hover {
    background: var(--mint-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(100, 255, 218, 0.45);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.btn-white {
    background: var(--white);
    color: var(--midnight);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline-white {
    background: transparent;
    color: var(--white);
    border: 1.5px solid rgba(255, 255, 255, 0.5);
}

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

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

.hero-scroll {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: scrollBounce 2s ease-in-out infinite;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
}

@keyframes scrollBounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(6px); }
}

/* --- Info Bar --- */
.info-bar {
    background: var(--white);
    padding: 0;
    box-shadow: var(--shadow-sm);
    position: relative;
    z-index: 10;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 28px 24px;
    border-right: 1px solid rgba(10, 37, 64, 0.07);
    transition: background var(--transition);
}

.info-item:last-child {
    border-right: none;
}

.info-item:hover {
    background: var(--cream);
}

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

.info-item strong {
    display: block;
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 2px;
}

.info-item span {
    font-size: 0.813rem;
    color: var(--text-muted);
}

/* --- Section Shared --- */
.section-tag {
    display: inline-block;
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--mint-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 12px;
    background: rgba(100, 255, 218, 0.12);
    padding: 6px 14px;
    border-radius: 100px;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 600;
    color: var(--midnight);
    line-height: 1.15;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section-desc {
    font-size: 1.063rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 520px;
}

.section-header {
    text-align: center;
    margin-bottom: 56px;
}

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

/* --- Services --- */
.services {
    padding: 100px 0;
    background: var(--cream);
}

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

.service-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: transform var(--transition), box-shadow var(--transition);
    border: 1px solid rgba(10, 37, 64, 0.05);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, rgba(100, 255, 218, 0.15), rgba(100, 255, 218, 0.05));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mint-dark);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.188rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 10px;
}

.service-card p {
    font-size: 0.938rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* --- About --- */
.about {
    padding: 100px 0;
    background: var(--white);
    overflow: hidden;
}

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

.about-images {
    position: relative;
}

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

.about-img-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-img-secondary {
    position: absolute;
    bottom: -40px;
    right: -30px;
    width: 55%;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    border: 5px solid var(--white);
}

.about-img-secondary img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-accent {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 120px;
    height: 120px;
    background: linear-gradient(135deg, var(--mint), var(--mint-dark));
    border-radius: var(--radius-lg);
    z-index: -1;
    opacity: 0.3;
}

.about-content .section-tag {
    margin-bottom: 12px;
}

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

.about-text {
    font-size: 1.063rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-values {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 32px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.938rem;
    font-weight: 500;
    color: var(--text-dark);
}

.value-icon {
    width: 28px;
    height: 28px;
    background: rgba(100, 255, 218, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mint-dark);
    flex-shrink: 0;
}

/* --- Gallery --- */
.gallery {
    padding: 100px 0;
    background: var(--cream);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(2, 240px);
    gap: 16px;
}

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

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

.gallery-item:hover img {
    transform: scale(1.06);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 37, 64, 0.7) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 20px 24px;
    opacity: 0;
    transition: opacity var(--transition);
}

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

.gallery-overlay span {
    color: var(--white);
    font-size: 0.938rem;
    font-weight: 600;
}

.gallery-item:nth-child(1) { grid-column: span 4; grid-row: span 2; }
.gallery-item:nth-child(2) { grid-column: span 4; }
.gallery-item:nth-child(3) { grid-column: span 4; }
.gallery-item:nth-child(4) { grid-column: span 4; grid-row: span 2; }
.gallery-item:nth-child(5) { grid-column: span 4; }
.gallery-item:nth-child(6) { grid-column: span 4; }

/* --- CTA --- */
.cta {
    padding: 100px 0;
    background: var(--white);
}

.cta-card {
    position: relative;
    background: linear-gradient(135deg, #0a2540 0%, #0d4a5c 50%, #0f5e6e 100%);
    border-radius: var(--radius-xl);
    padding: 80px 60px;
    overflow: hidden;
    text-align: center;
}

.cta-decor {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.cta-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(100, 255, 218, 0.1);
}

.cta-circle-1 {
    width: 400px;
    height: 400px;
    top: -200px;
    right: -100px;
}

.cta-circle-2 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -80px;
}

.cta-circle-3 {
    width: 150px;
    height: 150px;
    top: 50%;
    left: 10%;
    background: rgba(100, 255, 218, 0.04);
    border: none;
}

.cta-content {
    position: relative;
    z-index: 2;
}

.cta-title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--white);
    margin-bottom: 18px;
    letter-spacing: -0.02em;
}

.cta-text {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    max-width: 500px;
    margin: 0 auto 36px;
}

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

/* --- Contact --- */
.contact {
    padding: 100px 0;
    background: var(--cream);
}

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

.contact-info .section-title {
    margin-bottom: 16px;
}

.contact-desc {
    font-size: 1.063rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 36px;
}

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

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

.contact-detail-icon {
    width: 48px;
    height: 48px;
    background: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--mint-dark);
    flex-shrink: 0;
    box-shadow: var(--shadow-sm);
}

.contact-detail strong {
    display: block;
    font-size: 0.938rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 4px;
}

.contact-detail p {
    font-size: 0.938rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.contact-detail a {
    color: var(--mint-dark);
    transition: color var(--transition);
}

.contact-detail a:hover {
    color: var(--midnight);
    text-decoration: underline;
}

.contact-form-wrap {
    background: var(--white);
    border-radius: var(--radius-xl);
    padding: 40px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(10, 37, 64, 0.05);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-group label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 0.938rem;
    color: var(--text-dark);
    background: var(--cream);
    border: 1.5px solid rgba(10, 37, 64, 0.08);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
    width: 100%;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--mint-dark);
    box-shadow: 0 0 0 3px rgba(100, 255, 218, 0.15);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-success {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(100, 255, 218, 0.1);
    border: 1px solid rgba(100, 255, 218, 0.3);
    border-radius: var(--radius-sm);
    padding: 14px 18px;
    color: var(--midnight);
    font-size: 0.938rem;
    font-weight: 500;
}

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

/* --- Footer --- */
.site-footer {
    background: var(--midnight-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
}

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

.logo-footer .logo-text {
    color: var(--white);
}

.footer-brand p {
    font-size: 0.938rem;
    line-height: 1.7;
    margin-top: 14px;
    max-width: 280px;
}

.footer-links strong,
.footer-contact strong {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links ul li a {
    font-size: 0.938rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition);
}

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

.footer-contact address {
    font-style: normal;
    font-size: 0.938rem;
    line-height: 1.7;
    margin-bottom: 10px;
}

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

.footer-contact a:hover {
    color: var(--mint-light);
    text-decoration: underline;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 24px 0;
    font-size: 0.813rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--transition);
}

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

/* --- Back to Top --- */
.back-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 48px;
    height: 48px;
    background: var(--midnight);
    color: var(--mint);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    z-index: 900;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--midnight-light);
    transform: translateY(-3px);
}

/* --- Scroll Reveal (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(24px);
        transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* --- Mobile Nav Overlay --- */
@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 8px;
        padding: 80px 32px 32px;
        transform: translateX(100%);
        transition: transform var(--transition);
        box-shadow: var(--shadow-xl);
    }

    .main-nav.open {
        transform: translateX(0);
    }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: 4px;
    }

    .main-nav ul li a {
        color: var(--text-dark);
        font-size: 1.063rem;
        padding: 12px 24px;
    }

    .main-nav ul li a:hover {
        color: var(--midnight);
        background: rgba(10, 37, 64, 0.07);
    }

    .nav-overlay {
        position: fixed;
        inset: 0;
        background: rgba(10, 37, 64, 0.5);
        z-index: 999;
        opacity: 0;
        visibility: hidden;
        transition: opacity var(--transition), visibility var(--transition);
    }

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

    .btn-nav {
        margin-top: 16px;
    }
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-grid {
        gap: 48px;
    }

    .gallery-grid {
        grid-template-columns: repeat(6, 1fr);
        grid-template-rows: repeat(3, 200px);
    }

    .gallery-item:nth-child(1) { grid-column: span 3; grid-row: span 2; }
    .gallery-item:nth-child(2) { grid-column: span 3; }
    .gallery-item:nth-child(3) { grid-column: span 3; }
    .gallery-item:nth-child(4) { grid-column: span 3; grid-row: span 2; }
    .gallery-item:nth-child(5) { grid-column: span 3; }
    .gallery-item:nth-child(6) { grid-column: span 3; }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

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

    .info-item {
        border-right: none;
        border-bottom: 1px solid rgba(10, 37, 64, 0.07);
    }

    .info-item:nth-child(odd) {
        border-right: 1px solid rgba(10, 37, 64, 0.07);
    }

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

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

    .about-images {
        max-width: 400px;
        margin: 0 auto;
    }

    .about-img-secondary {
        right: -10px;
        bottom: -20px;
    }

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

    .gallery-grid {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto;
    }

    .gallery-item {
        height: 200px;
    }

    .gallery-item:nth-child(1),
    .gallery-item:nth-child(4) {
        grid-column: span 2;
        grid-row: span 1;
        height: 240px;
    }

    .cta-card {
        padding: 56px 28px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .contact-form-wrap {
        padding: 28px;
    }

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

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

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

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

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

    .info-item {
        border-right: none;
    }

    .info-item:nth-child(odd) {
        border-right: none;
    }

    .cta-actions {
        flex-direction: column;
        width: 100%;
    }

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

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

    .gallery-item:nth-child(1),
    .gallery-item:nth-child(4) {
        grid-column: span 1;
    }
}