/* ===================================================================
   LUA — CLÍNICA ESTÉTICA
   Tokens de marca + estilos del landing
   =================================================================== */

:root {
    --cream: #FAF8F5;
    --sand: #E8DFD5;
    --walnut: #8B7355;
    --walnut-deep: #6B5740;
    --gold: #C9A769;
    --ink: #2A2620;

    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Inter', sans-serif;

    --container: 1320px;
}

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

html { scroll-behavior: auto; background: var(--ink); } /* el scroll suave ahora lo maneja GSAP (ScrollToPlugin) para no chocar con ScrollTrigger */
/* background en <html> evita la franja blanca al hacer overscroll/rebote en móvil (iOS/Android),
   ya que sin esto el navegador muestra el blanco por defecto detrás del <body> al pasar el borde */

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

img, video { display: block; max-width: 100%; }

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

.eyebrow {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--gold);
    font-weight: 500;
}

.wrap {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 6%;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 1rem 2.1rem;
    border-radius: 2px;
    font-size: 0.8rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    font-weight: 500;
    border: 1px solid currentColor;
    transition: background .35s ease, color .35s ease, border-color .35s ease;
    cursor: pointer;
}

.btn-solid {
    background: var(--ink);
    color: var(--cream);
    border-color: var(--ink);
}
.btn-solid:hover { background: var(--walnut-deep); border-color: var(--walnut-deep); }

.btn-ghost {
    background: transparent;
    color: var(--ink);
    border-color: rgba(42,38,32,0.35);
}
.btn-ghost:hover { border-color: var(--ink); }

.btn-ghost.on-dark {
    color: var(--cream);
    border-color: rgba(250,248,245,0.4);
}
.btn-ghost.on-dark:hover { border-color: var(--cream); }

/* ===== NAV ===== */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.6rem 6%;
    transition: background .35s ease, box-shadow .35s ease, padding .35s ease;
}

.nav.nav-scrolled {
    background: rgba(250,248,245,0.92);
    backdrop-filter: blur(10px);
    box-shadow: 0 1px 0 rgba(42,38,32,0.08);
    padding: 1.1rem 6%;
}

.nav.nav-scrolled .nav-mark { color: var(--ink); }
.nav.nav-scrolled .nav-links a { color: var(--ink); }
.nav.nav-scrolled .lang-btn { color: var(--ink); }
.nav.nav-scrolled .lang-sep { color: var(--ink); }
.nav.nav-scrolled .nav-toggle span { background: var(--ink); mix-blend-mode: normal; }

/* el menú móvil desplegado siempre es oscuro de fondo, así que el toggle (X) vuelve a blanco */
.nav.nav-scrolled.mobile-open .nav-toggle span { background: var(--cream); }

/* en desktop ocultar el wrapper móvil */
.nav-right { display: none; }
.nav-lang-mobile { display: none; }

/* nav desktop siempre visible */
.nav nav { display: block; }

.nav-mark {
    font-family: var(--font-serif);
    font-size: 1.2rem;
    letter-spacing: 0.04em;
    color: var(--cream);
}

.nav-links {
    display: flex;
    gap: 2.2rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.75rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cream);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    left: 0; bottom: -6px;
    width: 0; height: 1px;
    background: currentColor;
    transition: width .3s ease;
}
.nav-links a:hover::after { width: 100%; }

/* nav-right: wrapper de lang+hamburger en móvil */
.nav-right {
    display: none;
    align-items: center;
    gap: 1rem;
}

/* desktop: lang como último li del nav */
.nav-lang-desktop {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

/* móvil: lang pegado al hamburger, oculto en desktop */
.nav-lang-mobile {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.lang-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--cream);
    opacity: 0.5;
    padding: 0.2rem 0.1rem;
    transition: opacity .25s ease;
}
.lang-btn:hover { opacity: 0.85; }
.lang-btn.active { opacity: 1; font-weight: 600; }
.lang-sep {
    font-size: 0.65rem;
    color: var(--cream);
    opacity: 0.3;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 210;
    padding: 0;
}
.nav-toggle span {
    width: 24px; height: 1px;
    background: var(--cream);
    mix-blend-mode: difference;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Animación de hamburger a X */
.nav.mobile-open .nav-toggle span:first-child {
    transform: rotate(45deg) translateY(11px);
}
.nav.mobile-open .nav-toggle span:last-child {
    transform: rotate(-45deg) translateY(-11px);
}

/* Menú mobile */
.nav.mobile-open nav {
    display: block;
}

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

    /* Cuando el menú móvil está abierto, siempre mostrar fondo claro en el navbar */
    .nav.mobile-open {
        background: rgba(250,248,245,0.92);
        box-shadow: 0 1px 0 rgba(42,38,32,0.08);
    }

    .nav.mobile-open .nav-mark { color: var(--ink); }
    .nav.mobile-open .lang-btn { color: var(--ink); }
    .nav.mobile-open .lang-sep { color: var(--ink); }
    .nav.mobile-open .nav-toggle span { background: var(--ink); mix-blend-mode: normal; }

    /* en móvil el nav se oculta por defecto y aparece al abrir */
    .nav nav {
        display: none;
    }
    .nav.mobile-open nav {
        display: block;
    }
    
    .nav nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(20, 16, 12, 0.98);
        backdrop-filter: blur(8px);
        padding: 2rem 6%;
        z-index: 300;
        overflow-y: auto;
        transform: translateX(-100%);
        transition: transform 0.35s ease;
    }
    
    .nav.mobile-open nav {
        transform: translateX(0);
    }
    
    .nav-links {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .nav-links a {
        font-size: 0.9rem;
        display: block;
        padding: 0.8rem 0;
        border-bottom: 1px solid rgba(250,248,245,0.1);
    }
    
    .nav-links a::after {
        display: none;
    }
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    overflow: hidden;
    color: var(--cream);
}

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

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

.hero-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(20,16,12,0.45) 0%, rgba(20,16,12,0.35) 35%, rgba(20,16,12,0.88) 100%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    padding: 0 6% 5.5rem;
    width: 100%;
}

.hero-kicker {
    color: var(--gold);
    margin-bottom: 1.4rem;
}

.hero-title {
    font-family: var(--font-serif);
    font-weight: 400;
    font-size: clamp(3.4rem, 11vw, 8.5rem);
    line-height: 0.92;
    letter-spacing: -0.01em;
}

.hero-title .line { display: block; overflow: hidden; }
.hero-title .line span { display: inline-block; }

.hero-title .line + .line {
    margin-top: -0.16em;
}
.hero-title .accent {
    font-style: italic;
    color: var(--sand);
    margin-left: 1.4em;
}

.hero-bottom {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 2.4rem;
    flex-wrap: wrap;
}

.hero-sub {
    max-width: 360px;
    font-size: 1.02rem;
    color: rgba(250,248,245,0.86);
}

.hero-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

.scroll-cue {
    position: absolute;
    right: 6%;
    bottom: 2.2rem;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
}
.scroll-cue .line {
    width: 1px; height: 46px;
    background: rgba(250,248,245,0.35);
    overflow: hidden;
    position: relative;
}
.scroll-cue .line::after {
    content: '';
    position: absolute;
    top: -100%; left: 0;
    width: 100%; height: 100%;
    background: var(--cream);
    animation: cue 2.6s ease-in-out infinite;
}
@keyframes cue {
    0% { top: -100%; }
    60% { top: 100%; }
    100% { top: 100%; }
}

/* ===== SECTION GENERICS ===== */
section { position: relative; }

.section-pad { padding: 9rem 0; }

.section-label-row {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
}

.divider {
    flex: 1;
    height: 1px;
    background: rgba(42,38,32,0.18);
    margin: 0 1.5rem;
}

/* ===== MANIFESTO ===== */
.manifesto {
    background: var(--cream);
}
.manifesto .wrap {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 5rem;
    align-items: center;
}

.manifesto-figure {
    position: relative;
    aspect-ratio: 4/5;
    overflow: hidden;
    border-radius: 2px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cream);
}
.manifesto-figure img {
    width: 65%; height: 65%; object-fit: contain;
}

.manifesto-text .stat-title {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 4vw, 3.4rem);
    line-height: 1.18;
    font-weight: 400;
}

.manifesto-text .stat-title em {
    font-style: italic;
    color: var(--walnut);
}

.manifesto-text p.lede {
    margin-top: 1.8rem;
    font-size: 1.05rem;
    color: rgba(42,38,32,0.72);
    max-width: 480px;
}

.split-line { overflow: hidden; }
.split-line span { display: inline-block; transform: translateY(110%); }

/* ===== ESPACIO (video) ===== */
.espacio {
    height: 100vh;
    height: 100svh;
    min-height: 560px;
    position: relative;
    overflow: hidden;
    color: var(--cream);
}
.espacio video {
    position: absolute;
    inset: 0;
    width: 100%; height: 100%;
    object-fit: cover;
    transform: scale(1.08);
}
.espacio-tint {
    position: absolute;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    background:
        radial-gradient(120% 90% at 8% 0%, rgba(107,135,107,0.42) 0%, rgba(107,135,107,0) 55%),
        radial-gradient(110% 90% at 100% 15%, rgba(139,115,85,0.4) 0%, rgba(139,115,85,0) 55%),
        radial-gradient(130% 100% at 50% 100%, rgba(232,223,213,0.5) 0%, rgba(232,223,213,0) 60%),
        radial-gradient(90% 70% at 90% 90%, rgba(201,167,105,0.3) 0%, rgba(201,167,105,0) 60%);
    mix-blend-mode: soft-light;
    opacity: 0.85;
}
.espacio::after {
    content: '';
    position: absolute; inset: 0;
    z-index: 1;
    background: rgba(20,16,12,0.32);
}
.espacio-caption {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 6%;
}
.espacio-caption .stat-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5.5vw, 4.2rem);
    max-width: 720px;
    line-height: 1.15;
}

/* ===== PILARES (lista con hover) ===== */
.pilares { background: var(--sand); }

.pilar-list { list-style: none; }

.pilar-item {
    border-top: 1px solid rgba(42,38,32,0.18);
    padding: 2.6rem 0;
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 2rem;
    cursor: default;
    position: relative;
}
.pilar-list .pilar-item:last-child { border-bottom: 1px solid rgba(42,38,32,0.18); }

.pilar-name {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 400;
    transition: color .35s ease, transform .35s ease;
}
.pilar-item:hover .pilar-name {
    color: var(--walnut);
    transform: translateX(0.4rem);
}

.pilar-desc {
    font-size: 0.92rem;
    max-width: 320px;
    text-align: right;
    color: rgba(42,38,32,0.6);
}

.pilar-preview {
    position: fixed;
    width: 240px;
    height: 310px;
    pointer-events: none;
    z-index: 50;
    overflow: hidden;
    border-radius: 2px;
    opacity: 0;
    transform: scale(0.92);
    transition: opacity .35s ease, transform .35s ease;
}
.pilar-preview.active { opacity: 1; transform: scale(1); }
.pilar-preview img {
    width: 100%; height: 100%; object-fit: cover;
}

/* ===== QUOTE ===== */
.quote {
    background: var(--ink);
    color: var(--cream);
    padding: 13rem 0;
}
.quote .wrap { text-align: center; }
.quote blockquote {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: clamp(1.7rem, 4vw, 3rem);
    line-height: 1.35;
    max-width: 880px;
    margin: 0 auto;
}
.quote cite {
    display: block;
    margin-top: 2.4rem;
    font-style: normal;
    font-size: 0.78rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold);
}

@media (max-width: 768px) {
    .quote { padding: 8rem 0; }
}

/* ===== CTA FINAL ===== */
.cta-final {
    background: var(--walnut-deep);
    color: var(--cream);
    text-align: center;
    padding: 7rem 0 8rem;
}
.cta-final .stat-title {
    font-family: var(--font-serif);
    font-size: clamp(2.6rem, 7vw, 5.2rem);
    line-height: 1.02;
}
.cta-final .stat-title .accent { font-style: italic; color: var(--sand); }
.cta-final .hero-sub { margin: 1.8rem auto 2.6rem; text-align: center; }
.cta-final .hero-cta { justify-content: center; }

/* ===== FOOTER ===== */
footer {
    background: var(--ink);
    color: rgba(250,248,245,0.65);
    padding: 4.5rem 0 2.5rem;
}
.footer-top {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    flex-wrap: wrap;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(250,248,245,0.12);
}
.footer-mark img { width: 120px; opacity: 0.95; }
.footer-cols { display: flex; gap: 4rem; flex-wrap: wrap; }
.footer-col h4 {
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 1rem;
}
.footer-col a, .footer-col p {
    display: block;
    font-size: 0.92rem;
    color: rgba(250,248,245,0.7);
    margin-bottom: 0.55rem;
}
.footer-col a:hover { color: var(--cream); }
.footer-bottom {
    display: flex;
    justify-content: space-between;
    padding-top: 2rem;
    font-size: 0.78rem;
    color: rgba(250,248,245,0.4);
    flex-wrap: wrap;
    gap: 1rem;
}

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 1024px) {
    .manifesto .wrap { grid-template-columns: 1fr; gap: 3rem; }
    .manifesto-figure { aspect-ratio: 16/10; }
    .pilar-preview { display: none; }
}

@media (max-width: 768px) {
    .section-pad { padding: 4.5rem 0; }
    .manifesto-figure { aspect-ratio: 4/3; }
}

/* ===================================================================
   ATMÓSFERA: grano, cursor, loader, galería horizontal
   =================================================================== */

.grain {
    position: fixed;
    inset: 0;
    z-index: 9990;
    pointer-events: none;
    background-image: url('assets/img/grain.png');
    background-size: 140px 140px;
    opacity: 0.05;
    mix-blend-mode: multiply;
}

/* cursor personalizado eliminado */

.loader {
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: var(--ink);
    display: flex;
    align-items: center;
    justify-content: center;
}
.loader img {
    width: 110px;
    opacity: 0;
}

/* ===== GALERÍA — scroll horizontal ===== */
.galeria-h {
    background: var(--cream);
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
}
.galeria-track {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 2.2rem;
    width: max-content;
    padding-right: 6%;
    will-change: transform;
}
.galeria-heading {
    width: min(60vw, 520px);
    flex-shrink: 0;
    padding: 0 2rem 0 6%;
    position: relative;
    z-index: 2;
}
.galeria-heading .stat-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4.5vw, 3.4rem);
    line-height: 1.12;
}
.galeria-track figure {
    flex-shrink: 0;
    height: 64vh;
    overflow: hidden;
    border-radius: 2px;
}
.galeria-track figure.tall { height: 72vh; width: 26vw; min-width: 280px; }
.galeria-track figure.wide { height: 50vh; width: 42vw; min-width: 420px; }
.galeria-track img { width: 100%; height: 100%; object-fit: cover; }

@media (max-width: 768px) {
    .galeria-h { height: auto; overflow: visible; flex-direction: column; align-items: stretch; }
    .galeria-track { flex-direction: column; width: auto; height: auto; padding: 0 5%; gap: 1.5rem; }
    .galeria-heading { width: 100%; padding: 3rem 5% 1.5rem; }
    .galeria-track figure, .galeria-track figure.tall, .galeria-track figure.wide {
        width: 100%; height: 60vw; min-width: 0;
    }
}

/* ===== BOTÓN FLOTANTE DE WHATSAPP ===== */
.whatsapp-float {
    position: fixed;
    right: 1.6rem;
    bottom: 1.6rem;
    z-index: 99999;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #128C7E;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(0,0,0,0.3);
    transition: transform .25s ease, box-shadow .25s ease, background .25s ease;
    animation: wa-pop .5s ease both;
}
.whatsapp-float:hover {
    background: #0F7A6E;
    transform: scale(1.08);
    box-shadow: 0 6px 22px rgba(0,0,0,0.36);
}
.whatsapp-float svg {
    width: 32px;
    height: 32px;
    display: block;
}

@keyframes wa-pop {
    0% { transform: scale(0); opacity: 0; }
    70% { transform: scale(1.12); opacity: 1; }
    100% { transform: scale(1); }
}

@media (max-width: 768px) {
    .whatsapp-float {
        right: 1.1rem;
        bottom: 1.1rem;
        width: 54px;
        height: 54px;
    }
    .whatsapp-float svg { width: 29px; height: 29px; }
}