/* ========================================
   KB Nails & Spa — Custom Styles
   Palette: Midnight Blue (#0F172A) + Mint (#0D9488)
   Fonts: Cormorant Garamond + Montserrat
======================================== */

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

:root {
    --midnight: #0F172A;
    --midnight-light: #1E293B;
    --midnight-mid: #334155;
    --mint: #0D9488;
    --mint-light: #14B8A6;
    --mint-pale: #CCFBF1;
    --mint-50: #F0FDFA;
    --cream: #FAFAF9;
    --warm-white: #F5F5F0;
    --text-dark: #1C1917;
    --text-muted: #57534E;
    --text-light: #78716C;
    --border: #E7E5E4;
    --border-light: #F5F5F4;
    --serif: 'Cormorant Garamond', Georgia, serif;
    --sans: 'Montserrat', 'Segoe UI', sans-serif;
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 4px 20px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
    --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(--text-dark);
    background: var(--cream);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

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

/* ── Typography ───────────────────────── */
.section-eyebrow {
    font-family: var(--sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--mint);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--midnight);
    line-height: 1.15;
    margin-bottom: 20px;
}

.section-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, var(--mint), var(--mint-light));
    margin-top: 20px;
}

/* ── Buttons ──────────────────────────── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--sans);
    font-weight: 500;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    padding: 14px 32px;
    border-radius: 4px;
    border: 1.5px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background: var(--mint);
    color: #fff;
    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(13, 148, 136, 0.3);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
}

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

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

.btn-full {
    width: 100%;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 0.9375rem;
}

/* ── Header ───────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(250, 250, 249, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.site-header.scrolled {
    box-shadow: var(--shadow-sm);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* ── Logo ─────────────────────────────── */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-mark {
    width: 36px;
    height: 36px;
    background: var(--mint);
    border-radius: 50%;
    position: relative;
    flex-shrink: 0;
}

.logo-mark::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255, 255, 255, 0.8);
    border-radius: 50%;
}

.logo-text {
    font-family: var(--serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--midnight);
    letter-spacing: 0.02em;
}

.logo-accent {
    font-style: italic;
    color: var(--mint);
}

/* ── Desktop Nav ──────────────────────── */
.nav-desktop {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-desktop a:not(.btn-nav) {
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-muted);
    transition: var(--transition);
    position: relative;
}

.nav-desktop a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1.5px;
    background: var(--mint);
    transition: var(--transition);
}

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

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

.btn-nav {
    font-size: 0.8125rem !important;
    font-weight: 600 !important;
    letter-spacing: 0.08em !important;
    text-transform: uppercase;
    padding: 10px 24px !important;
    background: var(--midnight);
    color: #fff !important;
    border-radius: 4px;
    transition: var(--transition);
}

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

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

/* ── Mobile 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(--midnight);
    transition: var(--transition);
    transform-origin: center;
}

.nav-toggle.active .nav-toggle-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.nav-toggle.active .nav-toggle-line:nth-child(2) {
    opacity: 0;
}

.nav-toggle.active .nav-toggle-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ── Mobile Nav ───────────────────────── */
.mobile-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--cream);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.mobile-nav.open {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-link {
    font-family: var(--serif);
    font-size: 1.75rem;
    font-weight: 500;
    color: var(--midnight);
    transition: var(--transition);
}

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

.mobile-nav-cta {
    margin-top: 16px;
    font-family: var(--sans) !important;
    font-size: 0.875rem !important;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 14px 40px;
    background: var(--mint);
    color: #fff;
    border-radius: 4px;
}

.mobile-nav-cta:hover {
    background: var(--mint-light);
    color: #fff;
}

/* ── Hero ─────────────────────────────── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: var(--midnight);
    overflow: hidden;
    padding: 120px 24px 80px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.pexels.com/photos/7755663/pexels-photo-7755663.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=1080') center center / cover no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(15, 23, 42, 0.88) 0%,
        rgba(15, 23, 42, 0.82) 50%,
        rgba(15, 23, 42, 0.90) 100%
    );
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
}

.hero-eyebrow {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--mint-light);
    margin-bottom: 24px;
}

.hero-title {
    font-family: var(--serif);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 600;
    color: #fff;
    line-height: 1.05;
    margin-bottom: 28px;
    letter-spacing: -0.01em;
}

.hero-subtitle {
    font-size: 1.0625rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
    max-width: 520px;
    margin: 0 auto 40px;
}

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

.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.6875rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.scroll-line {
    width: 1px;
    height: 48px;
    background: linear-gradient(180deg, rgba(255,255,255,0.4), 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); }
}

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

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

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

.service-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px 32px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--mint), var(--mint-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

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

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 52px;
    height: 52px;
    color: var(--mint);
    margin-bottom: 24px;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-name {
    font-family: var(--serif);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 12px;
}

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

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

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

.about-image {
    border-radius: 8px;
    overflow: hidden;
    position: relative;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 8px;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -16px;
    right: -16px;
    width: 200px;
    height: 200px;
    border: 2px solid var(--mint);
    border-radius: 8px;
    z-index: -1;
    opacity: 0.3;
}

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

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

.about-stats {
    display: flex;
    align-items: center;
    gap: 32px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.stat {
    text-align: center;
    flex: 1;
}

.stat-number {
    display: block;
    font-family: var(--serif);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--mint);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-light);
    line-height: 1.5;
}

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

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

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.gallery-item {
    border-radius: 8px;
    overflow: hidden;
    position: relative;
    cursor: pointer;
}

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

.gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, 0.4) 100%);
    opacity: 0;
    transition: var(--transition);
}

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

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

/* ── Testimonials ─────────────────────── */
.testimonials {
    padding: 100px 0;
    background: var(--midnight);
}

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

.testimonials .section-title {
    color: #fff;
}

.testimonials .section-divider {
    margin-left: auto;
    margin-right: auto;
}

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

.testimonial-card {
    background: var(--midnight-light);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 8px;
    padding: 40px 32px;
    position: relative;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: rgba(13, 148, 136, 0.3);
    transform: translateY(-4px);
}

.testimonial-quote {
    font-family: var(--serif);
    font-size: 4rem;
    font-weight: 700;
    color: var(--mint);
    line-height: 1;
    position: absolute;
    top: 20px;
    left: 28px;
    opacity: 0.4;
}

.testimonial-text {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.75);
    line-height: 1.85;
    margin-bottom: 24px;
    margin-top: 32px;
    font-style: italic;
}

.testimonial-author {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--mint-light);
}

/* ── CTA ──────────────────────────────── */
.cta {
    padding: 100px 0;
    background: var(--mint);
    position: relative;
    overflow: hidden;
}

.cta-bg {
    position: absolute;
    inset: 0;
    background: url('https://images.pexels.com/photos/7750120/pexels-photo-7750120.jpeg?auto=compress&cs=tinysrgb&fit=crop&w=1920&h=600') center center / cover no-repeat;
    opacity: 0.12;
}

.cta .container {
    position: relative;
    z-index: 1;
    text-align: center;
}

.cta-eyebrow {
    color: rgba(255, 255, 255, 0.8);
}

.cta-title {
    color: #fff;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.0625rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 560px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

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

.btn-outline-light {
    border-color: rgba(15, 23, 42, 0.4);
    color: var(--midnight);
}

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

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

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

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

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

.contact-icon {
    width: 48px;
    height: 48px;
    color: var(--mint);
    flex-shrink: 0;
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-details h4 {
    font-family: var(--serif);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 4px;
}

.contact-details p,
.contact-details a {
    font-size: 0.9375rem;
    color: var(--text-muted);
    line-height: 1.7;
}

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

/* ── Contact Form ─────────────────────── */
.contact-form-wrapper {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 40px;
}

.contact-form-wrapper h3 {
    font-family: var(--serif);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--midnight);
    margin-bottom: 28px;
}

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

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-family: var(--sans);
    font-size: 0.9375rem;
    color: var(--text-dark);
    background: var(--cream);
    border: 1px solid var(--border);
    border-radius: 4px;
    transition: var(--transition);
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--mint);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.1);
}

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

.form-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 32px;
    text-align: center;
    color: var(--mint);
}

.form-success svg {
    width: 48px;
    height: 48px;
}

.form-success p {
    font-size: 0.9375rem;
    color: var(--text-muted);
}

/* ── Map ──────────────────────────────── */
.map-section {
    height: 350px;
    filter: grayscale(0.3);
}

.map-section iframe {
    width: 100%;
    height: 100%;
    display: block;
}

/* ── Footer ───────────────────────────── */
.footer {
    background: var(--midnight);
    padding: 64px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-brand p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.8;
    margin-top: 20px;
    max-width: 300px;
}

.footer-logo .logo-text {
    color: #fff;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--serif);
    font-size: 1.125rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
}

.footer-links ul,
.footer-contact ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

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

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

.footer-contact li {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding: 24px 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-bottom p {
    font-size: 0.8125rem;
    color: rgba(255, 255, 255, 0.35);
}

/* ── Scroll Reveal (progressive enh.) ── */
@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);
    }
}

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

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

    .about-grid {
        gap: 48px;
    }
}

@media (max-width: 768px) {
    .nav-desktop {
        display: none;
    }

    .nav-toggle {
        display: flex;
    }

    .hero {
        padding: 100px 24px 60px;
    }

    .hero-title {
        font-size: clamp(2.5rem, 10vw, 4rem);
    }

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

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

    .about-image {
        order: -1;
    }

    .about-image::after {
        display: none;
    }

    .about-stats {
        flex-direction: column;
        gap: 24px;
    }

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

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

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

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

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

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

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

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

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

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

    .service-card {
        padding: 28px 24px;
    }
}