/* TACHYON SOUND 369 — STYLESHEET Un Estilo: elegante, espiritual, minimalista, premium */

/*0. RESET & VARIABLES */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* — Colores — */
    --cream: #F6F1E7;
    --cream-alt: #EDE8DC;
    --gold: #D4AF37;
    --gold-soft: hsl(44, 54%, 54%);
    --gold-light: rgba(212, 175, 55, 0.15);
    --gold-glow: rgba(212, 175, 55, 0.4);
    --dark: #3D3420;
    --text-medium: #6B5A3E;
    --text-light: #9A8B6F;
    --white: #FFFFFF;
    --white-soft: rgba(255, 255, 255, 0.85);

    /* — Tipografías — */
    --font-cinzel: 'Cinzel', serif;
    --font-playfair: 'Playfair Display', serif;
    --font-cormorant: 'Cormorant Garamond', serif;

    /* — Espaciado — */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 8rem;

    /* — Bordes — */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* — Sombras — */
    --shadow-soft: 0 4px 24px rgba(61, 52, 32, 0.06);
    --shadow-medium: 0 8px 40px rgba(61, 52, 32, 0.1);
    --shadow-gold: 0 4px 30px rgba(212, 175, 55, 0.15);
    --shadow-card: 0 2px 16px rgba(61, 52, 32, 0.05);

    /* — Transiciones — */
    --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.2s var(--ease-smooth);
    --transition-normal: 0.35s var(--ease-smooth);
    --transition-slow: 0.6s var(--ease-out);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-cormorant);
    font-weight: 400;
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--dark);
    background-color: var(--cream);
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* 1. UTILIDADES */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

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

.grid-two--centered {
    align-items: center;
}

.section {
    padding: var(--space-3xl) 0;
}

.section__title {
    font-family: var(--font-cinzel);
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--dark);
    margin-bottom: var(--space-lg);
}

.section__title--center {
    text-align: center;
    font-size: 2.25rem;
}

.section__title--left {
    text-align: left;
    font-size: 2rem;
}

.section__text {
    font-family: var(--font-cormorant);
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--text-medium);
    margin-bottom: var(--space-sm);
    text-align: justify;
}

/* — Botones — */
.btn {
    display: inline-block;
    font-family: var(--font-cinzel);
    font-weight: 600;
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    padding: 1rem 2.2rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    text-align: center;
}

.btn--primary {
    background: linear-gradient(135deg, var(--gold), var(--gold-soft));
    color: var(--white);
    box-shadow: var(--shadow-gold);
}

.btn--primary:hover {
    background: linear-gradient(135deg, var(--gold-soft), var(--gold));
    transform: translateY(-2px);
    box-shadow: 0 6px 35px rgba(212, 175, 55, 0.3);
}

.btn--outline {
    background: transparent;
    color: var(--gold);
    border: 1.5px solid var(--gold);
}

.btn--outline:hover {
    background: var(--gold-light);
    transform: translateY(-2px);
}

.btn--small {
    font-size: 0.7rem;
    padding: 0.7rem 1.6rem;
    background: linear-gradient(135deg, var(--gold), var(--gold-soft));
    color: var(--white);
    box-shadow: var(--shadow-gold);
}

.btn--small:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(212, 175, 55, 0.25);
}

.btn--full {
    display: block;
    width: 100%;
}

.btn--large {
    font-size: 0.9rem;
    padding: 1.3rem 3.5rem;
    background: linear-gradient(135deg, var(--gold), var(--gold-soft));
    color: var(--white);
    box-shadow: var(--shadow-gold);
}

.btn--large:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 8px 45px rgba(212, 175, 55, 0.35);
}

.btn--glow {
    position: relative;
}

.btn--glow::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: var(--radius-sm);
    background: linear-gradient(135deg, var(--gold), transparent, var(--gold-soft));
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
    filter: blur(12px);
}

.btn--glow:hover::after {
    opacity: 1;
}

/* 2. ANIMACIONES — Keyframes */

/* — Flotación suave del logo — */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-12px);
    }
}

.floating {
    animation: float 4s ease-in-out infinite;
}

/* — Fade-in de entrada — */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% center;
    }

    100% {
        background-position: 200% center;
    }
}

@keyframes pulseGlow {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(212, 175, 55, 0.1);
    }

    50% {
        box-shadow: 0 0 40px rgba(212, 175, 55, 0.25);
    }
}

/* — Clase para Intersection Observer — */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 3. HEADER */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.2rem 0;
    transition: all var(--transition-normal);
    background: transparent;
}

.header.is-scrolled {
    background: rgba(246, 241, 231, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 2px 20px rgba(61, 52, 32, 0.08);
    padding: 0.8rem 0;
}

.header__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    z-index: 1001;
}

.header__logo-img {
    height: 42px;
    width: auto;
}

.header__logo-fallback {
    font-family: var(--font-cinzel);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
}

.header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.header__menu {
    display: flex;
    gap: 2rem;
}

.header__link {
    font-family: var(--font-cinzel);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--dark);
    position: relative;
    padding: 0.3rem 0;
}

.header__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1.5px;
    background: var(--gold);
    transition: all var(--transition-normal);
    transform: translateX(-50%);
}

.header__link:hover::after {
    width: 100%;
}

.header__link:hover {
    color: var(--gold);
}

.header__cta {
    font-family: var(--font-cinzel);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.65rem 1.6rem;
    background: linear-gradient(135deg, var(--gold), var(--gold-soft));
    color: var(--white);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-gold);
}

.header__cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(212, 175, 55, 0.3);
}

/* — Hamburguesa — */
.header__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    z-index: 1001;
}

.header__hamburger span {
    width: 26px;
    height: 2px;
    background: var(--dark);
    border-radius: 2px;
    transition: all var(--transition-normal);
    transform-origin: center;
}

.header__hamburger.is-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.header__hamburger.is-active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.header__hamburger.is-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* 4. HERO */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(180deg, var(--cream) 0%, #F0EBDF 50%, var(--cream) 100%);
    padding: var(--space-3xl) var(--space-md);
    position: relative;
    overflow: hidden;
}

/* Elementos decorativos de fondo */
.hero::before {
    content: '';
    position: absolute;
    top: 15%;
    left: 50%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212, 175, 55, 0.06) 0%, transparent 70%);
    transform: translateX(-50%);
    pointer-events: none;
}

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

.hero__welcome {
    font-family: var(--font-cinzel);
    font-size: 0.875rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: var(--space-lg);
}

.hero__logo-wrap {
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: center;
    position: relative;
}

/* — Ondas de sonido expandiéndose — */
.onda-sonido {
    position: absolute;
    top: calc(50% - 35px);
    left: 50%;
    width: 100px;
    height: 100px;
    margin: -50px 0 0 -50px;
    border-radius: 50%;
    border: 1px solid #D4AF37;
    z-index: 0;
    pointer-events: none;
    animation: expandeOnda 4s ease-out infinite;
}

.onda-sonido--1 { animation-delay: 0s; }
.onda-sonido--2 { animation-delay: 1.3s; }
.onda-sonido--3 { animation-delay: 2.6s; }

@keyframes expandeOnda {
    0%   { width: 100px; height: 100px; margin-top: -50px; margin-left: -50px; opacity: 0.6; }
    100% { width: 600px; height: 600px; margin-top: -300px; margin-left: -300px; opacity: 0; }
}

/* — Halo de luz pulsante — */
.halo-luz {
    position: absolute;
    top: calc(50% - 35px);
    left: 50%;
    width: 450px;
    height: 450px;
    margin: -225px 0 0 -225px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(212,175,55,0.25) 0%, rgba(212,175,55,0.08) 50%, transparent 70%);
    filter: blur(30px);
    z-index: 0;
    pointer-events: none;
    animation: pulsoHalo 5s ease-in-out infinite;
}

@keyframes pulsoHalo {
    0%, 100% { opacity: 0.4; transform: scale(1); }
    50%      { opacity: 0.8; transform: scale(1.15); }
}

.hero__logo {
    width: 300px;
    height: auto;
    filter: drop-shadow(0 4px 20px rgba(212, 175, 55, 0.2));
}

.hero__logo-placeholder {
    width: 140px;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--gold);
    border-radius: 50%;
    background: var(--gold-light);
}

.hero__logo-placeholder span {
    font-size: 3rem;
    color: var(--gold);
}

.hero__divider {
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
    margin: 0 auto var(--space-lg);
}

.hero__title {
    font-family: var(--font-cinzel);
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    background: linear-gradient(135deg, var(--gold) 0%, var(--gold-soft) 50%, var(--gold) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer 4s linear infinite;
    margin-bottom: var(--space-sm);
}

.hero__subtitle {
    font-family: var(--font-playfair);
    font-size: 1.35rem;
    font-weight: 400;
    font-style: italic;
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.hero__text {
    font-family: var(--font-cormorant);
    font-size: 1.15rem;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: var(--space-xl);
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.hero__buttons {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* 5. SECCIÓN EL 369*/
.section--369 {
    background: var(--cream);
}

.col-369__left {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.big-number {
    font-family: var(--font-cinzel);
    font-size: 12rem;
    font-weight: 700;
    line-height: 1;
    background: linear-gradient(180deg, var(--gold) 0%, var(--gold-soft) 60%, rgba(212, 175, 55, 0.3) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-sm);
    filter: drop-shadow(0 4px 8px rgba(212, 175, 55, 0.15));
}

.big-number__label {
    font-family: var(--font-cinzel);
    font-size: 1rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-medium);
}

.big-number__author {
    font-family: var(--font-playfair);
    font-size: 1rem;
    font-style: italic;
    color: var(--text-light);
    margin-top: var(--space-xs);
}

.key-point {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    padding: var(--space-md);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.key-point:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.key-point__icon {
    color: var(--gold);
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.key-point strong {
    font-family: var(--font-cinzel);
    font-size: 0.95rem;
    letter-spacing: 0.04em;
    display: block;
    margin-bottom: 0.3rem;
    color: var(--dark);
}

.key-point p {
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.7;
}

.tesla-quote {
    border-left: 3px solid var(--gold);
    padding: var(--space-md) var(--space-lg);
    margin-top: var(--space-lg);
    background: var(--gold-light);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.tesla-quote p {
    font-family: var(--font-playfair);
    font-size: 1.3rem;
    font-style: italic;
    color: var(--dark);
    line-height: 1.6;
    margin-bottom: var(--space-xs);
}

.tesla-quote cite {
    font-family: var(--font-cinzel);
    font-size: 0.8rem;
    letter-spacing: 0.1em;
    color: var(--gold);
    font-style: normal;
}

/* 6. SECCIÓN CIENCIA & PUNTO CERO*/
.section--science {
    background: var(--cream-alt);
}

.science-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
    align-items: start;
}

.science-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    text-align: center;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.science-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--gold), var(--gold-soft), var(--gold));
}

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

.science-card__icon {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: var(--space-md);
    display: block;
}

.science-card__title {
    font-family: var(--font-cinzel);
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--space-sm);
    letter-spacing: 0.04em;
}

.science-card__text {
    font-family: var(--font-cormorant);
    font-size: 1.05rem;
    color: var(--text-medium);
    line-height: 1.8;
}

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

.benefit-item {
    display: flex;
    flex-direction: column;
    text-align: center;
    padding: var(--space-lg) var(--space-sm);
    background: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    height: 100%;
}

.benefit-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold);
}

.benefit-item__icon {
    font-size: 1.8rem;
    color: var(--gold);
    display: block;
    margin-bottom: var(--space-sm);
}

.benefit-item__title {
    font-family: var(--font-cinzel);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--dark);
    margin-bottom: var(--space-xs);
}

.benefit-item__text {
    font-family: var(--font-cormorant);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--dark);
    line-height: 1.6;
}

/* 7. SECCIÓN TERAPIAS*/
.section--therapies {
    background: var(--cream);
}

.therapies-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.therapy-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.therapy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--gold), var(--gold-soft));
}

.therapy-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.therapy-card__tag {
    display: inline-block;
    font-family: var(--font-cinzel);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--gold);
    border: 1px solid var(--gold);
    padding: 0.35rem 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
}

.therapy-card__title {
    font-family: var(--font-cinzel);
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.03em;
}

.therapy-card__subtitle {
    font-family: var(--font-playfair);
    font-size: 1.05rem;
    font-style: italic;
    color: var(--gold-soft);
    margin-bottom: var(--space-md);
}

.therapy-card__desc,
.descripcion-modalidad {
    font-family: var(--font-cormorant);
    font-size: 1.05rem;
    color: var(--text-medium);
    line-height: 1.8;
    margin-bottom: var(--space-md);
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
}

.como-funciona p {
    font-family: var(--font-cormorant);
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.8;
    text-align: justify;
    text-justify: inter-word;
    hyphens: auto;
    -webkit-hyphens: auto;
}

.therapy-card__section {
    margin-bottom: var(--space-md);
    padding-top: var(--space-sm);
    border-top: 1px solid rgba(212, 175, 55, 0.15);
}

.therapy-card__section h4 {
    font-family: var(--font-cinzel);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: 0.4rem;
}

.therapy-card__section p {
    font-family: var(--font-cormorant);
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.7;
}

/* 8. SECCIÓN SERVICIOS*/
.section--services {
    background: var(--cream-alt);
}

.service-category {
    margin-bottom: var(--space-xl);
}

.service-category:last-child {
    margin-bottom: 0;
}

.service-category__title {
    font-family: var(--font-cinzel);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark);
    text-align: center;
    letter-spacing: 0.06em;
    margin-bottom: var(--space-sm);
}

.service-category__line {
    width: 60px;
    height: 2px;
    background: var(--gold);
    margin: 0 auto var(--space-lg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
    align-items: start;
}

.service-card {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-medium);
}

.service-card__title {
    font-family: var(--font-cinzel);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.03em;
}

.service-card__desc {
    font-family: var(--font-cormorant);
    font-size: 1rem;
    color: var(--text-medium);
    line-height: 1.7;
    margin-bottom: var(--space-md);
    flex: 1;
}

/* 8.5 SECCIÓN PRODUCTOS */
.section--products {
    background: var(--cream-alt);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--space-lg);
    margin-top: var(--space-lg);
    align-items: stretch;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.product-card__image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.product-card__content {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.product-card__title {
    font-family: var(--font-cinzel);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--space-xs);
    letter-spacing: 0.03em;
}

.product-card__desc {
    font-family: var(--font-cormorant);
    font-size: 0.95rem;
    color: var(--text-medium);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    flex: 1;
}

/* 9. SECCIÓN NACHICEL */
.section--nachicel {
    background: var(--cream);
}

.nachicel__left {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
}

.nachicel__logo-box {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    border: 2px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gold-light);
    animation: pulseGlow 4s ease-in-out infinite;
    overflow: hidden;
}

.nachicel__logo {
    width: 120px;
    height: auto;
}

.nachicel__logo-placeholder {
    font-size: 3rem;
    color: var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
}

.nachicel__name-box {
    text-align: center;
    padding: var(--space-md) var(--space-xl);
    border: 1px solid var(--gold);
    border-radius: var(--radius-md);
    background: var(--white);
    box-shadow: var(--shadow-gold);
}

.nachicel__name {
    font-family: var(--font-cinzel);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--gold);
    letter-spacing: 0.08em;
}

.nachicel__meaning {
    font-family: var(--font-playfair);
    font-size: 1rem;
    font-style: italic;
    color: var(--text-medium);
    margin-top: 0.2rem;
}

.nachicel__subtitle {
    font-family: var(--font-playfair);
    font-size: 1.15rem;
    font-style: italic;
    color: var(--gold-soft);
    margin-bottom: var(--space-md);
}

/* 10. BANDA CTA */
.cta-band {
    background: var(--dark);
    padding: var(--space-3xl) var(--space-md);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-band::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.cta-band::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.cta-band__title {
    font-family: var(--font-cinzel);
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--white);
    letter-spacing: 0.04em;
    margin-bottom: var(--space-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* 11. SECCIÓN CONTACTO*/
.section--contact {
    background: var(--cream);
}

.contact__form-wrap {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    box-shadow: var(--shadow-soft);
}

.contact-form__group {
    margin-bottom: var(--space-md);
}

.contact-form__group label {
    display: block;
    font-family: var(--font-cinzel);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-medium);
    margin-bottom: 0.5rem;
}

.contact-form__group input,
.contact-form__group textarea {
    width: 100%;
    padding: 0.9rem 1.2rem;
    font-family: var(--font-cormorant);
    font-size: 1.05rem;
    color: var(--dark);
    background: var(--cream);
    border: 1.5px solid transparent;
    border-radius: var(--radius-sm);
    outline: none;
    transition: all var(--transition-normal);
}

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

.contact-form__group input:focus,
.contact-form__group textarea:focus {
    border-color: var(--gold);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.1);
}

.contact-form__group textarea {
    resize: vertical;
    min-height: 120px;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    padding-top: var(--space-md);
}

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

.contact-info-item__icon {
    font-size: 1.4rem;
    color: var(--gold);
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gold-light);
    border-radius: 50%;
}

.contact-info-item h4 {
    font-family: var(--font-cinzel);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--dark);
    margin-bottom: 0.2rem;
}

.contact-info-item p {
    font-family: var(--font-cormorant);
    font-size: 1.05rem;
    color: var(--text-medium);
    text-align: justify;
}

/* 12. FOOTER */
.footer {
    background: var(--dark);
    padding: var(--space-xl) 0 var(--space-md);
    color: var(--white-soft);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: var(--space-xl);
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.footer__logo {
    height: 50px;
    width: auto;
    margin-bottom: var(--space-sm);
    filter: brightness(1.5);
}

.footer__logo-fallback {
    font-size: 2rem;
    color: var(--gold);
}

.footer__name {
    font-family: var(--font-cinzel);
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--gold);
    letter-spacing: 0.06em;
    margin-bottom: var(--space-xs);
}

.footer__desc {
    font-family: var(--font-cormorant);
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
    max-width: 350px;
}

.footer__heading {
    font-family: var(--font-cinzel);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--gold);
    margin-bottom: var(--space-md);
}

.footer__nav ul li,
.footer__contact ul li {
    margin-bottom: 0.6rem;
}

.footer__nav ul li a {
    font-family: var(--font-cormorant);
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--transition-fast);
}

.footer__nav ul li a:hover {
    color: var(--gold);
}

.footer__contact ul li {
    font-family: var(--font-cormorant);
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--space-lg);
}

.footer__bottom p {
    font-family: var(--font-cinzel);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.4);
}

/* 13. RESPONSIVE — Tablet (max-width: 992px) */
@media (max-width: 992px) {
    .grid-two {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .big-number {
        font-size: 8rem;
    }

    .col-369__left {
        order: -1;
    }

    .science-cards {
        grid-template-columns: 1fr;
    }

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

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

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

    .footer__brand {
        grid-column: 1 / -1;
    }

    .hero__title {
        font-size: 2.8rem;
    }

    .section__title--center {
        font-size: 1.9rem;
    }

    .cta-band__title {
        font-size: 1.8rem;
    }
}

/* 14. RESPONSIVE — Móvil (max-width: 768px) */
@media (max-width: 768px) {
    .section {
        padding: var(--space-2xl) 0;
    }

    /* — Header móvil — */
    .header__hamburger {
        display: flex;
    }

    .header__nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background: rgba(246, 241, 231, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        padding: var(--space-xl);
        transition: right var(--transition-normal);
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }

    .header__nav.is-open {
        right: 0;
    }

    .header__menu {
        flex-direction: column;
        gap: var(--space-md);
    }

    .header__link {
        font-size: 0.9rem;
    }

    .header__cta {
        display: none;
    }

    /* — Hero móvil — */
    .hero {
        min-height: 100vh;
        padding: 7rem var(--space-md) var(--space-xl);
    }

    .hero__welcome {
        font-size: 0.6875rem;
    }

    .hero__title {
        font-size: 2.2rem;
    }

    .hero__subtitle {
        font-size: 1.15rem;
    }

    .hero__text {
        font-size: 1rem;
    }

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

    .hero__buttons .btn {
        width: 100%;
        max-width: 300px;
    }

    /* — 369 móvil — */
    .big-number {
        font-size: 6rem;
    }

    .section__title--center {
        font-size: 1.6rem;
    }

    .section__title--left {
        font-size: 1.6rem;
    }

    /* — Beneficios móvil — */
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    /* — Servicios móvil — */
    .services-grid {
        grid-template-columns: 1fr;
    }

    /* — CTA móvil — */
    .cta-band {
        padding: var(--space-2xl) var(--space-md);
    }

    .cta-band__title {
        font-size: 1.5rem;
    }

    .btn--large {
        padding: 1.1rem 2.5rem;
        font-size: 0.8rem;
    }

    /* — Footer móvil — */
    .footer__grid {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

/* 15. RESPONSIVE — Móvil pequeño (max-width: 480px)*/
@media (max-width: 480px) {
    .hero__title {
        font-size: 1.8rem;
    }

    .big-number {
        font-size: 4.5rem;
    }

    .therapy-card {
        padding: var(--space-lg);
    }

    .science-card {
        padding: var(--space-lg);
    }

    .nachicel__logo-box {
        width: 140px;
        height: 140px;
    }
}

/* 16. OVERLAY MENÚ MÓVIL*/
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(61, 52, 32, 0.4);
    z-index: 999;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.mobile-overlay.is-active {
    opacity: 1;
    pointer-events: all;
}

/* 17. SELECCIÓN & SCROLLBAR */
::selection {
    background: rgba(212, 175, 55, 0.25);
    color: var(--dark);
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--cream);
}

::-webkit-scrollbar-thumb {
    background: var(--gold-soft);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--gold);
}

/* Boton Flotante WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #D4AF37;
    color: white;
    border-radius: 50%;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    z-index: 9999;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* 17. RESPONSIVE — Texto justificado en móvil angosto */
@media (max-width: 600px) {
    .descripcion-modalidad,
    .como-funciona p {
        text-align: left;
    }
}