/* ==========================================================================
   MÉTODO KORA - SISTEMA DE DISEÑO PREMIUM (STYLE.CSS)
   ========================================================================== */

/* --- Importación de Fuentes --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Montserrat:wght@400;600;700&display=swap');

/* --- Variables Globales --- */
:root {
    /* Paleta de Colores Original Elevada */
    --color-primary: #655d54;          /* Tierra cálido */
    --color-primary-light: #e8e3e0;    /* Crema lino claro */
    --color-bg-base: #cfc6be;          /* Arena de Caracas */
    --color-surface: #BDB2A7;          /* Arena suave */
    --color-card-linen: rgba(247, 245, 242, 0.94); /* Lino blanco ultra-luxe */
    --color-charcoal: #2D2926;         /* Gris carbón profundo */
    --color-emerald: #10B981;          /* Verde esmeralda (CTA primario) */
    --color-emerald-hover: #059669;    /* Verde esmeralda intenso */
    --color-emerald-dark: #1B4332;     /* Esmeralda oscuro */
    --color-gold: #C5A059;             /* Oro satinado (acentos) */
    --color-outline: rgba(45, 41, 38, 0.12); /* Contornos sutiles */
    --color-white: #ffffff;

    /* Fuentes */
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --font-accent: 'Playfair Display', serif;
    --font-logo: 'Montserrat', sans-serif;

    /* Efectos & Bordes */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
    --shadow-soft: 0 10px 40px -15px rgba(45, 41, 38, 0.08);
    --shadow-hover: 0 24px 60px -20px rgba(45, 41, 38, 0.15);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
}

/* --- Reseteo de Estilos --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--color-bg-base);
    color: var(--color-charcoal);
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    background-image: 
        radial-gradient(at 10% 20%, rgba(247, 245, 242, 0.15) 0px, transparent 50%),
        radial-gradient(at 90% 80%, rgba(197, 160, 89, 0.08) 0px, transparent 50%);
    background-attachment: fixed;
}

/* --- Personalización de Scrollbar --- */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--color-surface);
    border-radius: var(--radius-full);
    border: 3px solid var(--color-bg-base);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* --- Tipografía --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-body);
    font-weight: 700;
    line-height: 1.25;
    color: var(--color-charcoal);
}

.font-editorial {
    font-family: var(--font-accent);
}

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

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

.glass-card {
    background: var(--color-card-linen);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-emerald);
    color: var(--color-white);
    padding: 16px 32px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-decoration: none;
    border: none;
    cursor: pointer;
    box-shadow: 0 8px 24px -6px rgba(16, 185, 129, 0.4);
    transition: var(--transition-smooth);
}

.btn-primary:hover {
    background-color: var(--color-emerald-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 28px -4px rgba(16, 185, 129, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: transparent;
    color: var(--color-charcoal);
    padding: 15px 30px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    text-decoration: none;
    border: 2px solid var(--color-charcoal);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-outline:hover {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    transform: translateY(-2px);
}

/* --- Header / Navigation --- */
.header-glass {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 48px);
    max-width: 1152px;
    background: rgba(232, 227, 224, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-md);
    padding: 16px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
}

.header-glass.scrolled {
    top: 0;
    width: 100%;
    max-width: 100%;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
    background: rgba(232, 227, 224, 0.95);
    padding: 12px 64px;
}

.logo-kora {
    font-family: var(--font-logo);
    font-weight: 600;
    font-size: 22px;
    letter-spacing: 0.25em;
    color: var(--color-charcoal);
    text-decoration: none;
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-gold);
    border-radius: var(--radius-full);
    display: inline-block;
}

.nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: rgba(45, 41, 38, 0.7);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: var(--transition-fast);
    position: relative;
    padding: 4px 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-charcoal);
    transition: var(--transition-fast);
}

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

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--color-charcoal);
}

.nav-links a.active::after {
    width: 100%;
}

/* --- Hero Section --- */
.hero-section {
    padding-top: 140px;
    padding-bottom: 80px;
    min-height: 90vh;
    display: flex;
    align-items: center;
}

.hero-grid {
    display: grid;
    grid-template-cols: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.hero-badge {
    align-self: flex-start;
    background-color: rgba(197, 160, 89, 0.12);
    border: 1px solid rgba(197, 160, 89, 0.3);
    color: #a47d33;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: var(--radius-full);
}

.hero-title {
    font-size: clamp(38px, 4.5vw, 56px);
    font-weight: 300;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-charcoal);
}

.hero-title strong {
    font-weight: 700;
}

.hero-description {
    font-size: 16px;
    line-height: 1.7;
    color: rgba(45, 41, 38, 0.85);
}

/* Kora Features Grid */
.kora-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 24px;
    width: 100%;
}

.feature-pill {
    background: rgba(255, 255, 255, 0.45);
    border: 1px solid rgba(255, 255, 255, 0.6);
    padding: 16px 24px;
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 20px;
    transition: var(--transition-smooth);
}

.feature-pill:hover {
    background: rgba(255, 255, 255, 0.8);
    transform: translateY(-3px);
}

.feature-icon-wrapper {
    color: var(--color-gold);
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.feature-text-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4px;
    text-align: left;
}

.feature-pill-title {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.feature-pill-desc {
    font-size: 11px;
    color: rgba(45, 41, 38, 0.6);
    line-height: 1.3;
}

/* --- COTIZADOR APP CARD --- */
.calculator-card {
    padding: 36px;
    position: relative;
    overflow: hidden;
}

/* Sensory Glow Effects */
.calculator-card::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    filter: blur(60px);
    opacity: 0.15;
    pointer-events: none;
    transition: var(--transition-smooth);
}

/* Dynamic Essences Shadows */
.calc-nordic-glow {
    box-shadow: 0 20px 50px -10px rgba(16, 185, 129, 0.15), var(--shadow-soft);
    border-color: rgba(16, 185, 129, 0.25);
}
.calc-nordic-glow::before {
    background-color: var(--color-emerald);
    opacity: 0.22;
}

.calc-marine-glow {
    box-shadow: 0 20px 50px -10px rgba(14, 165, 233, 0.15), var(--shadow-soft);
    border-color: rgba(14, 165, 233, 0.25);
}
.calc-marine-glow::before {
    background-color: #0ea5e9;
    opacity: 0.22;
}

.calc-cherry-glow {
    box-shadow: 0 20px 50px -10px rgba(244, 63, 94, 0.15), var(--shadow-soft);
    border-color: rgba(244, 63, 94, 0.25);
}
.calc-cherry-glow::before {
    background-color: #f43f5e;
    opacity: 0.22;
}

/* Calculator Inner Layout */
.calc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 28px;
}

.calc-title {
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary);
}

.surface-counter-badge {
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: 8px 18px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: baseline;
    gap: 4px;
    box-shadow: 0 8px 16px -4px rgba(45, 41, 38, 0.3);
}

.surface-counter-val {
    font-size: 20px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.surface-counter-unit {
    font-size: 12px;
    font-weight: 500;
    opacity: 0.8;
}

.calc-group {
    margin-bottom: 24px;
}

.calc-label {
    display: block;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(45, 41, 38, 0.55);
    margin-bottom: 12px;
}

/* Custom IOS Range Slider */
.slider-container {
    position: relative;
    padding: 10px 0;
}

.slider-input {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full);
    background: rgba(45, 41, 38, 0.12);
    outline: none;
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--color-charcoal);
    border: 3px solid var(--color-white);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    cursor: grab;
    transition: var(--transition-fast);
}

.slider-input::-webkit-slider-thumb:active {
    cursor: grabbing;
    transform: scale(1.15);
}

.slider-input::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-charcoal);
    border: 3px solid var(--color-white);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.25);
    cursor: grab;
    transition: var(--transition-fast);
}

.slider-input::-moz-range-thumb:active {
    cursor: grabbing;
    transform: scale(1.15);
}

.slider-limits {
    display: flex;
    justify-content: space-between;
    margin-top: 8px;
    font-size: 10px;
    font-weight: 600;
    color: rgba(45, 41, 38, 0.4);
}

/* Specialists widget */
.specialists-widget {
    background: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(45, 41, 38, 0.08);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    transition: var(--transition-smooth);
}

.specialists-widget:hover {
    background: rgba(255, 255, 255, 0.85);
    border-color: rgba(45, 41, 38, 0.15);
}

.specialists-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.specialists-icon-box {
    background-color: rgba(45, 41, 38, 0.06);
    color: var(--color-charcoal);
    width: 38px;
    height: 38px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.specialists-text-title {
    font-size: 13px;
    font-weight: 700;
}

.specialists-text-desc {
    font-size: 11px;
    color: rgba(45, 41, 38, 0.6);
}

.info-tooltip-container {
    position: relative;
    cursor: pointer;
}

.info-icon {
    font-size: 16px;
    color: rgba(45, 41, 38, 0.35);
    transition: var(--transition-fast);
}

.info-icon:hover {
    color: var(--color-primary);
}

.tooltip-box {
    position: absolute;
    bottom: calc(100% + 10px);
    right: 0;
    width: 220px;
    background-color: var(--color-charcoal);
    color: var(--color-white);
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    line-height: 1.4;
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
    opacity: 0;
    visibility: hidden;
    transform: translateY(6px);
    transition: var(--transition-smooth);
    z-index: 50;
}

.info-tooltip-container:hover .tooltip-box {
    opacity: 0.96;
    visibility: visible;
    transform: translateY(0);
}

/* Custom Select CSS */
.select-wrapper {
    position: relative;
}

.select-wrapper::after {
    content: '\e5c5'; /* Google Material Icon Codepoint for arrow_drop_down */
    font-family: 'Material Symbols Outlined';
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--color-primary);
    font-size: 20px;
}

.select-input {
    width: 100%;
    padding: 14px 20px;
    padding-right: 48px;
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(45, 41, 38, 0.15);
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 600;
    color: var(--color-charcoal);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.select-input:focus {
    background: var(--color-white);
    border-color: var(--color-gold);
    box-shadow: 0 0 0 4px rgba(197, 160, 89, 0.1);
}

/* Custom iOS Toggle Switches */
.extras-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.extra-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.extra-details {
    display: flex;
    flex-direction: column;
    gap: 3px;
    max-width: 80%;
}

.extra-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-charcoal);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.extra-desc {
    font-size: 11px;
    color: rgba(45, 41, 38, 0.55);
}

/* Switch styling */
.ios-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

.ios-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(45, 41, 38, 0.15);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.switch-slider::before {
    content: "";
    position: absolute;
    height: 20px;
    width: 20px;
    left: 2px;
    bottom: 2px;
    background-color: var(--color-white);
    border-radius: 50%;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    transition: var(--transition-fast);
}

.ios-switch input:checked + .switch-slider {
    background-color: var(--color-charcoal);
}

.ios-switch input:checked + .switch-slider::before {
    transform: translateX(20px);
}

/* Max Surface alert */
.max-surface-alert {
    background-color: rgba(197, 160, 89, 0.1);
    border: 1px dashed var(--color-gold);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    margin-top: 16px;
    font-size: 11px;
    font-weight: 600;
    color: #8c6a2d;
    line-height: 1.5;
    display: none;
    animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Investment breakdown */
.investment-breakdown {
    border-top: 1px solid rgba(45, 41, 38, 0.1);
    padding-top: 20px;
    margin-top: 24px;
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 24px;
}

.breakdown-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.breakdown-label {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(45, 41, 38, 0.5);
}

.breakdown-value {
    font-size: 14px;
    font-weight: 700;
    color: var(--color-charcoal);
    font-variant-numeric: tabular-nums;
}

/* Investment total section */
.calc-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    border-top: 1.5px solid var(--color-charcoal);
    padding-top: 24px;
}

.total-wrapper {
    display: flex;
    flex-direction: column;
}

.total-label {
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(45, 41, 38, 0.5);
}

.total-price-box {
    display: flex;
    align-items: baseline;
    gap: 6px;
}

.total-price-val {
    font-size: 40px;
    font-weight: 800;
    color: var(--color-charcoal);
    line-height: 1;
    letter-spacing: -0.03em;
    font-variant-numeric: tabular-nums;
}

.total-price-currency {
    font-size: 14px;
    font-weight: 700;
    color: rgba(45, 41, 38, 0.5);
}

.calc-cta-wrapper {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 250px;
}

.calc-cta-subtext {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    text-align: center;
    color: rgba(45, 41, 38, 0.4);
}

/* --- SECTION MODALIDADES --- */
.modalities-section {
    background-color: var(--color-primary-light);
    padding: 100px 0;
    position: relative;
}

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

.section-subtitle {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: rgba(45, 41, 38, 0.5);
    margin-bottom: 12px;
}

.section-title {
    font-size: clamp(30px, 3.5vw, 44px);
    font-weight: 300;
    letter-spacing: -0.01em;
}

.modalities-grid {
    display: grid;
    grid-template-cols: repeat(2, 1fr);
    gap: 40px;
}

.modality-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    transition: var(--transition-smooth);
}

.modality-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
}

.modality-img-box {
    position: relative;
    height: 320px;
    overflow: hidden;
}

.modality-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition-smooth);
}

.modality-card:hover .modality-img {
    transform: scale(1.05);
}

.modality-img-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, rgba(45, 41, 38, 0.6), transparent);
    display: flex;
    align-items: flex-end;
    padding: 24px 32px;
}

.modality-badge {
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-charcoal);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.modality-body {
    padding: 36px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.modality-name {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: 24px;
}

.modality-features-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 36px;
    flex: 1;
}

.modality-feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.modality-feature-icon {
    color: var(--color-gold);
    margin-top: 2px;
}

.modality-feature-text {
    font-size: 13.5px;
    line-height: 1.6;
    color: rgba(45, 41, 38, 0.85);
}

.modality-feature-text strong {
    font-weight: 700;
}

.modality-footer {
    border-top: 1px solid rgba(45, 41, 38, 0.08);
    padding-top: 24px;
}

.modality-card-cta {
    width: 100%;
    text-align: center;
}

.modality-disclaimer {
    text-align: center;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(45, 41, 38, 0.45);
    margin-top: 40px;
}

/* --- SECTION EL MÉTODO (EXPERIENCIA PASO A PASO) --- */
.method-section {
    padding: 100px 0;
    background-color: var(--color-bg-base);
}

.method-timeline {
    display: grid;
    grid-template-cols: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.timeline-step {
    background: rgba(255, 255, 255, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 32px 24px;
    border-radius: var(--radius-lg);
    position: relative;
    transition: var(--transition-smooth);
}

.timeline-step:hover {
    background: rgba(255, 255, 255, 0.6);
    transform: translateY(-5px);
}

.step-number {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 40px;
    font-weight: 800;
    color: rgba(197, 160, 89, 0.25);
    line-height: 1;
}

.step-icon-box {
    background-color: rgba(255, 255, 255, 0.8);
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(45, 41, 38, 0.04);
}

.step-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 10px;
}

.step-desc {
    font-size: 12px;
    color: rgba(45, 41, 38, 0.7);
    line-height: 1.5;
}

/* --- SECTION FAQ (ACORDEÓN) --- */
.faq-section {
    padding: 100px 0;
    background-color: var(--color-white);
}

.faq-max-width {
    max-width: 760px;
    margin: 0 auto;
}

.faq-list {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    border: 1px solid rgba(45, 41, 38, 0.08);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: rgba(247, 245, 242, 0.5);
    transition: var(--transition-smooth);
}

.faq-item:hover {
    background-color: rgba(247, 245, 242, 0.9);
    border-color: rgba(45, 41, 38, 0.15);
}

.faq-trigger {
    width: 100%;
    padding: 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    outline: none;
}

.faq-question {
    font-size: 15px;
    font-weight: 700;
    color: var(--color-charcoal);
}

.faq-arrow {
    font-size: 24px;
    color: var(--color-primary);
    transition: var(--transition-smooth);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-body {
    padding: 0 32px 28px 32px;
    font-size: 13.5px;
    line-height: 1.6;
    color: rgba(45, 41, 38, 0.75);
}

/* FAQ Active state */
.faq-item.active {
    background-color: var(--color-card-linen);
    border-color: var(--color-surface);
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
}

/* --- FOOTER --- */
.footer-lux {
    background-color: var(--color-charcoal);
    color: var(--color-primary-light);
    padding: 80px 0 40px 0;
}

.footer-grid {
    display: grid;
    grid-template-cols: 1.2fr 0.8fr 1fr;
    gap: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 48px;
    margin-bottom: 32px;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.logo-kora-footer {
    font-family: var(--font-logo);
    font-weight: 600;
    font-size: 22px;
    letter-spacing: 0.25em;
    color: var(--color-white);
    text-decoration: none;
    text-transform: uppercase;
}

.footer-desc {
    font-size: 12px;
    color: rgba(232, 227, 224, 0.6);
    max-width: 320px;
    line-height: 1.6;
}

.footer-links-title {
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-white);
    margin-bottom: 20px;
}

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

.footer-links-list a {
    text-decoration: none;
    color: rgba(232, 227, 224, 0.65);
    font-size: 12px;
    font-weight: 500;
    transition: var(--transition-fast);
}

.footer-links-list a:hover {
    color: var(--color-gold);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
    font-size: 12px;
    color: rgba(232, 227, 224, 0.65);
    margin-bottom: 16px;
}

.footer-contact-icon {
    color: var(--color-gold);
    font-size: 18px;
}

.footer-copyright {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: rgba(232, 227, 224, 0.4);
    letter-spacing: 0.03em;
}

/* ==========================================================================
   REDISERÑO PREMIUM DEL BOTÓN DE ASISTENCIA CONCIERGE (WHATSAPP)
   ========================================================================== */
/* ==========================================================================
   REDISERÑO PREMIUM DEL BOTÓN DE ASISTENCIA CONCIERGE (WHATSAPP)
   ========================================================================== */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: rgba(45, 41, 38, 0.94);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    color: var(--color-white);
    border: 1px solid rgba(197, 160, 89, 0.35); /* Borde oro fino */
    height: 54px;
    border-radius: 27px;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 40px rgba(45, 41, 38, 0.3);
    z-index: 999;
    text-decoration: none;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.floating-whatsapp::after {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    border-radius: 27px;
    border: 1px solid var(--color-gold);
    opacity: 0.3;
    animation: rippleGlowPill 2.5s infinite;
    pointer-events: none;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.floating-whatsapp-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.floating-whatsapp-icon {
    width: 20px;
    height: 20px;
    color: var(--color-gold); /* Oro satinado de lujo por defecto */
    transition: var(--transition-smooth);
}

.floating-whatsapp-label {
    font-size: 10.5px;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-primary-light);
    white-space: nowrap;
    transition: var(--transition-smooth);
}

.floating-whatsapp:hover {
    background: var(--color-charcoal);
    border-color: var(--color-gold);
    transform: scale(1.04) translateY(-3px);
    box-shadow: 0 16px 48px rgba(45, 41, 38, 0.4);
}

.floating-whatsapp:hover .floating-whatsapp-icon {
    color: var(--color-white);
    transform: rotate(10deg);
}

.floating-whatsapp:hover .floating-whatsapp-label {
    color: var(--color-white);
}

/* Ocultar botón suavemente cuando se muestra la barra sticky móvil */
.floating-whatsapp.hide {
    transform: scale(0) translateY(40px) !important;
    opacity: 0 !important;
    pointer-events: none !important;
}

/* Badge en la esquina superior */
.whatsapp-badge {
    position: absolute;
    top: -4px;
    right: 12px;
    background-color: var(--color-gold); /* Cambiamos a oro para que sea más estético */
    color: var(--color-charcoal);
    font-size: 9px;
    font-weight: 800;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1.5px solid var(--color-charcoal);
    opacity: 0;
    transform: scale(0.6);
    transition: var(--transition-smooth);
    z-index: 10;
}

.whatsapp-badge.show {
    opacity: 1;
    transform: scale(1);
}

/* Animación de Ondulación para el Pill */
@keyframes rippleGlowPill {
    0% {
        transform: scale(1);
        opacity: 0.4;
    }
    100% {
        transform: scale(1.08, 1.2);
        opacity: 0;
    }
}

/* Animación de Ondulación de Lujo Circular (para móvil) */
@keyframes rippleGlow {
    0% {
        transform: scale(1);
        opacity: 0.4;
    }
    100% {
        transform: scale(1.3);
        opacity: 0;
    }
}

/* Hamburger mobile button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-charcoal);
}

/* --- RESPONSIVIDAD (MEDIA QUERIES) --- */

@media (max-width: 1024px) {
    .container {
        padding: 0 32px;
    }
    .calculator-card {
        padding: 24px;
    }
    .modalities-grid {
        grid-template-cols: 1fr;
        max-width: 640px;
        margin: 0 auto;
    }
    .method-timeline {
        grid-template-cols: repeat(2, 1fr);
        gap: 32px;
    }
    .footer-grid {
        grid-template-cols: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-glass {
        width: calc(100% - 32px);
        padding: 12px 20px;
    }
    .header-glass.scrolled {
        padding: 12px 24px;
    }
    .nav-links {
        display: none; /* Sería ideal un drawer minimalista */
    }
    .menu-toggle {
        display: block;
    }
    .hero-section {
        padding-top: 110px;
        padding-bottom: 48px;
    }
    .hero-grid {
        grid-template-cols: 1fr;
        gap: 48px;
    }
    .hero-info {
        text-align: center;
        align-items: center;
    }
    .hero-badge {
        align-self: center;
    }
    .calculator-card {
        padding: 24px;
    }
    .calc-footer {
        flex-direction: column;
        align-items: stretch;
        gap: 20px;
    }
    .calc-cta-wrapper {
        max-width: 100%;
    }
    .investment-breakdown {
        flex-wrap: wrap;
    }
    .method-timeline {
        grid-template-cols: 1fr;
        gap: 24px;
    }
    .footer-grid {
        grid-template-cols: 1fr;
        gap: 32px;
    }
    .footer-info {
        align-items: center;
        text-align: center;
    }
    .footer-desc {
        max-width: 100%;
    }

    /* Colapsar el Pill de WhatsApp en móvil a un círculo premium */
    .floating-whatsapp {
        bottom: 24px;
        right: 24px;
        width: 54px;
        height: 54px;
        padding: 0;
        border-radius: 50%;
        justify-content: center;
    }
    .floating-whatsapp::after {
        border-radius: 50%;
        animation: rippleGlow 2.5s infinite;
    }
    .floating-whatsapp-label {
        display: none;
    }
    .whatsapp-badge {
        right: -2px;
        top: -2px;
        border: 1.5px solid var(--color-white);
    }
}

@media (max-width: 480px) {
    .kora-features {
        grid-template-cols: 1fr;
        width: 100%;
    }
    .surface-counter-badge {
        padding: 6px 12px;
    }
    .surface-counter-val {
        font-size: 16px;
    }
    .modality-body {
        padding: 24px;
    }
    .modality-img-box {
        height: 240px;
    }
    .faq-trigger {
        padding: 20px 24px;
    }
    .faq-body {
        padding: 0 24px 20px 24px;
    }
    .floating-whatsapp {
        bottom: 20px;
        right: 20px;
        width: 52px;
        height: 52px;
    }
}

/* ==========================================================================
   BARRA FLOTANTE STICKY DE PRECIO PARA MÓVILES
   ========================================================================== */
.mobile-sticky-bar {
    position: fixed;
    bottom: -120px; /* Oculto inicialmente */
    left: 16px;
    right: 16px;
    background: rgba(247, 245, 242, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.7);
    border-radius: var(--radius-md);
    padding: 12px 20px;
    display: none; /* Se activa en media query inferior */
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 12px 40px -10px rgba(45, 41, 38, 0.28);
    z-index: 990; /* Por debajo de WhatsApp flotante (999) */
    transition: bottom 0.5s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.4s ease;
    opacity: 0;
}

.mobile-sticky-bar.show {
    bottom: 20px;
    opacity: 1;
}

.mobile-sticky-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mobile-sticky-label {
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: rgba(45, 41, 38, 0.5);
    line-height: 1;
}

.mobile-sticky-price-box {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.mobile-sticky-price-val {
    font-size: 24px;
    font-weight: 800;
    color: var(--color-charcoal);
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.mobile-sticky-price-currency {
    font-size: 11px;
    font-weight: 700;
    color: rgba(45, 41, 38, 0.5);
}

.mobile-sticky-cta {
    padding: 10px 20px;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.08em;
    border-radius: var(--radius-sm);
    box-shadow: 0 6px 16px rgba(16, 185, 129, 0.35);
    text-decoration: none;
    line-height: 1;
    white-space: nowrap;
}

@media (max-width: 768px) {
    .mobile-sticky-bar {
        display: flex;
    }
}