/* =========================================
   DESIGN SYSTEM - HIGH-END CLINICAL BOUTIQUE
   Red Antler Level / AWWWARDS Level
   ========================================= */

:root {
    /* Colors */
    --bg-cream: #FAF6F1;
    --accent-peach: #F4D1C1;
    --primary-dusty: #D99B82;
    --text-dark: #3D3D3D;
    --text-light: #7E7E7E;

    /* Typography */
    --font-serif: 'Cormorant Garamond', serif;
    --font-sans: 'Plus Jakarta Sans', sans-serif;

    /* Layout */
    --space-unit: 1rem;
    --nav-height: 80px;

    /* Animations */
    --transition-slow: 0.8s cubic-bezier(0.19, 1, 0.22, 1);
    --transition-fast: 0.3s ease;
}

/* =========================================
   RESET & BASE
   ========================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    background-color: var(--bg-cream);
    line-height: 1.6;
    overflow-x: hidden;
    font-weight: 300;
    -webkit-font-smoothing: antialiased;
}

ul {
    list-style: none;
}

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

.italic {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
}

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

.container {
    width: 90%;
    max-width: 1400px;
    margin: 0 auto;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.1;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 3rem;
    color: var(--text-dark);
}

/* =========================================
   NOISE TEXTURE
   ========================================= */
.noise {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.04;
    background: url('data:image/svg+xml;utf8,%3Csvg viewBox="0 0 200 200" xmlns="http://www.w3.org/2000/svg"%3E%3Cfilter id="noiseFilter"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.7" numOctaves="3" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100%25" height="100%25" filter="url(%23noiseFilter)"/%3E%3C/svg%3E');
}

/* =========================================
   GLASS NAVIGATION
   ========================================= */
.glass-nav {
    position: fixed;
    top: 1.5rem;
    left: 50%;
    transform: translateX(-50%);
    width: 95%;
    max-width: 1400px;
    height: clamp(60px, 8vh, var(--nav-height));
    background: rgba(250, 246, 241, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
    z-index: 1000;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.03);
}

.nav-brand {
    display: flex;
    align-items: center;
}

.brand-logo {
    height: 45px;
    width: auto;
    display: block;
    filter: brightness(0);
    /* Makes the white SVG black */
    transition: opacity var(--transition-fast);
}

.brand-logo:hover {
    opacity: 0.8;
}

.logo {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 400;
    letter-spacing: 0.5px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.hamburger {
    position: absolute;
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    width: 100%;
    height: 2px;
    background-color: var(--text-dark);
    transition: all 0.3s ease;
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--text-dark);
    left: 0;
    transition: all 0.3s ease;
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.menu-toggle.active .hamburger {
    background-color: transparent;
}

.menu-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.menu-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    top: 0;
}

.nav-links {
    display: flex;
    gap: clamp(1rem, 2vw, 2.5rem);
    font-size: clamp(0.75rem, 1vw, 0.9rem);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links a {
    position: relative;
    transition: color var(--transition-fast);
}

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

/* Mega Menu */
.has-mega-menu {
    position: relative;
}

.mega-menu {
    position: absolute;
    top: 150%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    background: var(--bg-cream);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    gap: 3rem;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.05);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.has-mega-menu:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.menu-col {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.menu-title {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    color: var(--primary-dusty);
    margin-bottom: 0.5rem;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.lang-switch {
    background: none;
    border: none;
    font-family: var(--font-sans);
    font-weight: 600;
    cursor: pointer;
    letter-spacing: 1px;
    transition: color var(--transition-fast);
}

.lang-switch:hover {
    color: var(--primary-dusty);
}

.cta-button {
    background: var(--text-dark);
    color: var(--bg-cream);
    padding: clamp(0.6rem, 1vw, 0.8rem) clamp(1.2rem, 2vw, 1.8rem);
    border-radius: 30px;
    font-size: clamp(0.7rem, 0.9vw, 0.85rem);
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.cta-button:hover {
    background: var(--primary-dusty);
    color: #fff;
}

.cta-button.primary {
    background: var(--primary-dusty);
}

.cta-button.primary:hover {
    background: var(--text-dark);
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    padding: calc(var(--nav-height) + 4rem) 5% 4rem;
    gap: 4rem;
}

.hero-image-wrapper {
    position: relative;
    height: 75vh;
    border-radius: 20px;
    overflow: hidden;
    /* Clip-path for GSAP reveal */
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    transform-origin: top center;
    transform: scale(1.1);
    /* GSAP zooms out */
}

.hero-content {
    padding-right: 2rem;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    margin-bottom: 2rem;
    line-height: 1;
}

.title-line {
    display: block;
    transform: translateY(20px);
    /* GSAP reveal baseline */
    margin-top: -15px;
    margin-bottom: -5px;
    padding-bottom: 20px;
    /* give descending space within the block */
}

.hero-subtitle {
    font-size: clamp(1.1rem, 1.5vw, 1.3rem);
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 480px;
    line-height: 1.8;
}

.hero-cta-group {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.cta-link {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    border-bottom: 1px solid var(--text-dark);
    padding-bottom: 2px;
}

/* =========================================
   PHILOSOPHY MANIFEST
   ========================================= */
.philosophy {
    padding: 8rem 0;
    text-align: center;
}

.manifest-text {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3.5rem);
    line-height: 1.3;
    max-width: 1200px;
    margin: 0 auto;
}

.manifest-text .highlight {
    color: var(--primary-dusty);
    font-style: italic;
}

/* =========================================
   TREATMENTS - STICKY STACKING
   ========================================= */
.treatments-stack {
    padding: 6rem 0 10rem;
}

.cards-wrapper {
    margin-top: 4rem;
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.treatment-card {
    position: sticky;
    top: calc(var(--nav-height) + 3rem);
    background: #fff;
    border-radius: 20px;
    height: 65vh;
    display: flex;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.06);
    transform-origin: top center;
    will-change: transform;
    /* GSAP Animated Variables */
    --overlay-blur: 0px;
    --overlay-dark: 0;
}

.card-image {
    width: 50%;
    height: 100%;
}

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

.card-content {
    width: 50%;
    padding: 5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-content h3 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-dusty);
}

/* Fix CSS filter GPU glitching during scroll transformations */
.treatment-card::after {
    content: '';
    position: absolute;
    inset: 0;
    backdrop-filter: blur(var(--overlay-blur));
    /* Hardware accelerated blur */
    -webkit-backdrop-filter: blur(var(--overlay-blur));
    background: rgba(0, 0, 0, var(--overlay-dark));
    z-index: 10;
    pointer-events: none;
}

.card-content p {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 3rem;
    max-width: 400px;
}

.btn-text {
    align-self: flex-start;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 2px;
    border-bottom: 1px solid var(--primary-dusty);
    padding-bottom: 5px;
    font-weight: 500;
    color: var(--primary-dusty);
    transition: opacity var(--transition-fast);
}

.btn-text:hover {
    opacity: 0.7;
}

/* =========================================
   BEFORE / AFTER SLIDER
   ========================================= */
.before-after {
    padding: 8rem 0;
    background: #fff;
}

.ba-slider-container {
    width: 100%;
    max-width: 1000px;
    margin: 0 auto;
}

.ba-slider {
    position: relative;
    width: 100%;
    height: 60vh;
    border-radius: 20px;
    overflow: hidden;
    cursor: ew-resize;
    background: #000;
    user-select: none;
    -webkit-user-select: none;
}

.ba-image {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.ba-image img {
    width: 1000px;
    /* same as container for perfect alignment */
    height: 100%;
    object-fit: cover;
    pointer-events: none;
}

.ba-before {
    /* Initial mask state, updated by JS */
    clip-path: polygon(0 0, 50% 0, 50% 100%, 0 100%);
}

.ba-handle {
    position: absolute;
    top: 0;
    left: 50%;
    bottom: 0;
    width: 2px;
    background: var(--bg-cream);
    transform: translateX(-50%);
    z-index: 10;
    pointer-events: none;
}

.ba-handle-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(217, 155, 130, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2px;
    backdrop-filter: blur(5px);
}

.ba-handle-btn svg {
    width: 16px;
    height: 16px;
}

/* =========================================
   SOCIAL PROOF (REVIEWS)
   ========================================= */
.social-proof {
    padding: 8rem 0;
    background: var(--text-dark);
    color: var(--bg-cream);
}

.social-proof .section-title {
    color: var(--bg-cream);
}

.reviews-slider-wrapper {
    overflow: hidden;
    padding: 2rem 0 4rem;
    display: flex;
}

.reviews-track {
    display: flex;
    gap: 2rem;
    padding: 0 1rem;
    width: max-content;
    animation: scrollTrack 60s linear infinite;
}

.reviews-track:hover {
    animation-play-state: paused;
}

@keyframes scrollTrack {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

.review-slide {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 3rem;
    width: 400px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-fast), background var(--transition-fast);
}

.review-slide:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
}

.stars {
    color: var(--primary-dusty);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.review-text {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-style: italic;
    margin-bottom: 2rem;
    line-height: 1.5;
    color: var(--bg-cream);
}

.review-author {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-dusty);
    margin-bottom: 0.5rem;
}

.review-source {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* =========================================
   FAQ
   ========================================= */
.faq-section {
    padding: 8rem 0;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: 2rem 0;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    font-family: var(--font-serif);
    font-size: 1.6rem;
    text-align: left;
    cursor: pointer;
    color: var(--text-dark);
}

.icon-plus {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 300;
    transition: transform var(--transition-fast);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-fast);
}

.faq-answer p {
    padding-top: 1rem;
    color: var(--text-light);
    font-size: 1.05rem;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-item.active .icon-plus {
    transform: rotate(45deg);
}

/* =========================================
   FOOTER
   ========================================= */
.footer {
    padding: 6rem 0 3rem;
    background: var(--bg-cream);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
}

.footer h4 {
    font-family: var(--font-sans);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer p {
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

/* =========================================
   RESPONSIVE DESIGN (Basic rules for flow)
   ========================================= */
@media (max-width: 1024px) {
    .glass-nav {
        display: flex;
        /* Override previous display: none */
        justify-content: space-between;
        padding: 0 1.5rem;
        height: 70px;
        top: 1rem;
        width: 95%;
    }

    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100svh;
        background: var(--bg-cream);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s ease;
        z-index: 1000;
        padding: 2rem;
    }

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

    .nav-links {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
        font-size: 1.2rem;
    }

    .nav-actions {
        flex-direction: column;
        gap: 1rem;
    }

    .hero {
        grid-template-columns: 1fr;
        position: relative;
        padding: 0;
        min-height: 100svh;
        display: flex;
        align-items: flex-end;
        /* push content to bottom */
    }

    .hero-image-wrapper {
        position: absolute;
        inset: 0;
        height: 100%;
        width: 100%;
        border-radius: 0;
        z-index: 0;
        clip-path: none !important;
    }

    .hero-image-wrapper::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, var(--bg-cream) 0%, rgba(250, 246, 241, 0.5) 40%, transparent 100%);
        z-index: 1;
    }

    .hero-content {
        position: relative;
        z-index: 2;
        width: 100%;
        padding: 2rem;
        padding-bottom: 5rem;
        text-align: center;
    }

    .hero-title {
        font-size: clamp(2rem, 8vw, 3rem);
        margin-bottom: 1rem;
        word-break: break-word;
        /* Prevent cut-off */
        hyphens: auto;
        line-height: 0.9;
    }

    .title-line {
        margin-top: -10px;
        margin-bottom: -5px;
    }

    .hero-subtitle {
        font-size: clamp(1rem, 4vw, 1.2rem);
        margin: 0 auto 2rem;
    }

    .hero-cta-group {
        justify-content: center;
    }

    .treatment-card {
        flex-direction: column;
        height: auto;
        --overlay-blur: 0px !important;
        /* disable heavy blur glitch on mobile */
        --overlay-dark: 0 !important;
    }

    .card-image,
    .card-content {
        width: 100%;
    }

    .card-image {
        height: 300px;
    }

    .card-content {
        padding: 3rem;
    }

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

/* =========================================
   COOKIE BANNER
   ========================================= */
.cookie-banner {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 800px;
    background: rgba(250, 246, 241, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    z-index: 10000;
    padding: 1.5rem 2rem;
}

.cookie-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.cookie-content p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.5;
    margin: 0;
}

@media (max-width: 768px) {
    .cookie-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}