/* ========================================
   Linda's Centro Dominicano de Belleza
   Clean Minimalist — Midnight Blue + Mint
   ======================================== */

/* --- CSS Custom Properties --- */
:root {
    --color-midnight: #0a1628;
    --color-midnight-light: #132240;
    --color-mint: #a8d5ba;
    --color-mint-light: #d4efe1;
    --color-mint-pale: #f0f7f2;
    --color-white: #ffffff;
    --color-cream: #fafbfa;
    --color-text: #1a1a1a;
    --color-text-light: #4a4a4a;
    --color-text-muted: #7a7a7a;
    --color-line: #e2e8e4;
    --color-line-subtle: #f0f4f1;

    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 6rem;
    --space-xxl: 8rem;

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Reset & Base --- */
*, *::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(--color-text);
    background-color: var(--color-white);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* --- Typography --- */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-midnight);
}

/* --- Section Shared --- */
.section-eyebrow {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-mint);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--space-sm);
}

.section-line {
    width: 60px;
    height: 1px;
    background-color: var(--color-mint);
    margin-bottom: var(--space-md);
}

.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

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

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

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 0.9375rem;
}

/* --- Header --- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.97);
    border-bottom: 1px solid var(--color-line);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    text-decoration: none;
}

.logo-mark {
    font-size: 1.25rem;
    color: var(--color-mint);
    line-height: 1;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    color: var(--color-midnight);
    font-weight: 500;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 400;
    color: var(--color-text-light);
    transition: color var(--transition);
    position: relative;
}

.nav-links a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-mint);
    transition: width var(--transition);
}

.nav-links a:not(.btn):hover {
    color: var(--color-midnight);
}

.nav-links a:not(.btn):hover::after {
    width: 100%;
}

/* --- Mobile Toggle --- */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 22px;
    height: 1px;
    background-color: var(--color-midnight);
    position: relative;
    transition: all var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 22px;
    height: 1px;
    background-color: var(--color-midnight);
    transition: all var(--transition);
}

.hamburger::before { top: -7px; }
.hamburger::after { top: 7px; }

.mobile-toggle[aria-expanded="true"] .hamburger {
    background-color: transparent;
}

.mobile-toggle[aria-expanded="true"] .hamburger::before {
    top: 0;
    transform: rotate(45deg);
}

.mobile-toggle[aria-expanded="true"] .hamburger::after {
    top: 0;
    transform: rotate(-45deg);
}

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

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

.mobile-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
}

.mobile-nav a {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    color: var(--color-midnight);
    transition: color var(--transition);
}

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

.mobile-cta {
    font-family: var(--font-body) !important;
    font-size: 1rem !important;
    margin-top: var(--space-sm);
}

/* --- Hero --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    position: relative;
    background-color: var(--color-cream);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
    padding-top: var(--space-lg);
    padding-bottom: var(--space-lg);
}

.hero-content {
    padding-right: var(--space-md);
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-mint);
    margin-bottom: var(--space-sm);
}

.hero-headline {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
    line-height: 1.15;
    margin-bottom: var(--space-md);
    color: var(--color-midnight);
    font-weight: 400;
}

.hero-subheadline {
    font-size: 1.125rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    max-width: 480px;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

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

.hero-line {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-mint), transparent);
}

/* --- Services --- */
.services {
    padding: var(--space-xxl) 0;
    background-color: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.service-card {
    padding: var(--space-md);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.service-card:hover {
    border-color: var(--color-mint);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(10, 22, 40, 0.06);
}

.service-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    color: var(--color-mint);
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background-color: var(--color-mint);
    border-color: var(--color-mint);
    color: var(--color-midnight);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

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

/* --- About --- */
.about {
    padding: var(--space-xxl) 0;
    background-color: var(--color-cream);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: center;
}

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

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

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

.about-content .section-line {
    margin-bottom: var(--space-md);
}

.about-text {
    font-size: 1rem;
    color: var(--color-text-light);
    line-height: 1.8;
    margin-bottom: var(--space-sm);
}

.about-stats {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-line);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--color-midnight);
    line-height: 1;
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background-color: var(--color-line);
}

/* --- Gallery --- */
.gallery {
    padding: var(--space-xxl) 0;
    background-color: var(--color-white);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
}

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

.gallery-item img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* --- Location --- */
.location {
    padding: var(--space-xxl) 0;
    background-color: var(--color-midnight);
    color: var(--color-white);
}

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

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

.location .section-line {
    background-color: var(--color-mint);
    margin-left: auto;
    margin-right: auto;
}

.location .section-header {
    margin-bottom: var(--space-xl);
}

.location-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    align-items: stretch;
}

.location-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.info-item {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-start;
}

.info-icon {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(168, 213, 186, 0.3);
    border-radius: var(--radius-sm);
    color: var(--color-mint);
}

.info-item h4 {
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-mint);
    margin-bottom: 0.375rem;
}

.info-item p {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

.info-item a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition);
}

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

.btn-large {
    margin-top: var(--space-sm);
    align-self: flex-start;
}

.map-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    min-height: 400px;
}

.map-container iframe {
    filter: grayscale(0.3) contrast(1.05);
}

/* --- Footer --- */
.footer {
    padding: var(--space-lg) 0;
    background-color: var(--color-midnight-light);
    border-top: 1px solid rgba(168, 213, 186, 0.1);
}

.footer-inner {
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.625rem;
    margin-bottom: var(--space-xs);
}

.footer-brand .logo-mark {
    color: var(--color-mint);
    font-size: 1.25rem;
}

.footer-brand .logo-text {
    font-family: var(--font-heading);
    font-size: 1.125rem;
    color: var(--color-white);
}

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

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

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

.footer-copy {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.3);
    margin-top: var(--space-sm);
}

/* --- Scroll Animations --- */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

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

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

    .gallery-item img {
        height: 350px;
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 4rem;
        --space-xxl: 5rem;
    }

    .mobile-toggle {
        display: block;
    }

    .nav-links {
        display: none;
    }

    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        padding-right: 0;
        order: 2;
    }

    .hero-image {
        order: 1;
    }

    .hero-image img {
        height: 400px;
    }

    .hero-subheadline {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-actions {
        justify-content: center;
    }

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

    .about-image {
        order: -1;
    }

    .about-image img {
        height: 400px;
    }

    .about-content .section-eyebrow,
    .about-content .section-title {
        text-align: center;
    }

    .about-content .section-line {
        margin-left: auto;
        margin-right: auto;
    }

    .about-stats {
        justify-content: center;
    }

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

    .map-container {
        min-height: 300px;
    }

    .btn-large {
        align-self: center;
        width: 100%;
    }
}

@media (max-width: 640px) {
    .services-grid {
        grid-template-columns: 1fr;
    }

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

    .gallery-item img {
        height: 350px;
    }

    .hero-headline {
        font-size: clamp(1.75rem, 8vw, 2.5rem);
    }

    .about-stats {
        flex-direction: column;
        gap: var(--space-sm);
    }

    .stat-divider {
        width: 48px;
        height: 1px;
    }
}