/* ═══════════════════════════════════════════════════════════════════
   ZYVOLA CALCULADORAS - ESTILOS PREMIUM
   ═══════════════════════════════════════════════════════════════════ */

/* VARIABLES GLOBALES */
:root {
    --color-primary-dark: #1a1a1a;
    --color-accent-gold: #d4af37;
    --color-accent-gold-light: #e6c85c;
    --color-accent-gold-deep: #8f6a1a;
    --color-accent-gold-deeper: #6e4f11;
    --color-text-light: #ffffff;
    --color-text-muted: #a0a0a0;
    --color-border: #2a2a2a;
    --color-bg-dark: #0f0f0f;
    --color-success: #4ade80;
    --color-error: #ff6b6b;
    
    --shadow-subtle: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-medium: 0 8px 24px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 12px 32px rgba(212, 175, 55, 0.2);
    
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    --radius: 12px;
    --radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    font-family: 'Manrope', sans-serif;
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* ═══════════════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════════════ */

.navbar {
    position: sticky;
    top: 0;
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, rgba(26, 26, 26, 0.95) 100%);
    border-bottom: 1px solid var(--color-border);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-subtle);
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem var(--spacing-xl);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    height: 40px;
    color: var(--color-text-light);
    text-decoration: none;
    transition: transform var(--transition);
}

.navbar-logo:hover {
    transform: translateY(-1px);
}

.logo-mark-wrap {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex: 0 0 auto;
    transform: translateY(5px);
}

.logo-mark {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 50%;
    transform: scale(2.45);
    transform-origin: center;
    display: block;
}

.logo-text {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: 0.2px;
    line-height: 1;
    transform: translateY(1px);
    background: linear-gradient(135deg, #f5df9f 6%, #d2ad56 45%, #8f6a1a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-gold);
    transition: width var(--transition);
}

.nav-link:hover {
    color: var(--color-accent-gold);
}

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

@media (max-width: 768px) {
    .navbar-logo {
        height: 34px;
        gap: 0.55rem;
    }

    .logo-mark-wrap {
        width: 34px;
        height: 34px;
        transform: translateY(3px);
    }

    .logo-mark {
        transform: scale(2.35);
    }

    .logo-text {
        font-size: 1.6rem;
        transform: translateY(1px);
    }

    .navbar-menu {
        gap: 1rem;
        font-size: 0.9rem;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   HERO SECTION
   ═══════════════════════════════════════════════════════════════════ */

.hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 60px 0;
    isolation: isolate;
    background:
        radial-gradient(1200px 520px at -8% -12%, rgba(212, 175, 55, 0.2), transparent 60%),
        radial-gradient(900px 460px at 108% 4%, rgba(143, 106, 26, 0.22), transparent 58%),
        linear-gradient(135deg, #151515 0%, #0f0f0f 55%, #17130a 100%);
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(115deg, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
        linear-gradient(25deg, rgba(255, 255, 255, 0.018) 1px, transparent 1px);
    background-size: 28px 28px, 42px 42px;
    opacity: 0.45;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 170px;
    background: linear-gradient(180deg, rgba(15, 15, 15, 0) 0%, rgba(15, 15, 15, 0.78) 55%, var(--color-bg-dark) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 700px;
    animation: fadeInUp 0.8s ease-out;
}

.hero-decorative {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 2;
    background:
        radial-gradient(280px 280px at 82% 28%, rgba(212, 175, 55, 0.22), transparent 70%),
        radial-gradient(240px 240px at 18% 68%, rgba(143, 106, 26, 0.16), transparent 74%);
}

.hero-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--color-text-light) 0%, var(--color-accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
    line-height: 1.5;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--color-accent-gold);
    color: var(--color-primary-dark);
    text-decoration: none;
    border-radius: var(--radius);
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: all var(--transition);
    box-shadow: 0 8px 24px rgba(212, 175, 55, 0.3);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.2);
    transition: left var(--transition);
    z-index: -1;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(212, 175, 55, 0.4);
}

.cta-button:hover::before {
    left: 100%;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ═══════════════════════════════════════════════════════════════════
   SECCIÓN CALCULADORAS
   ═══════════════════════════════════════════════════════════════════ */

.calculadoras-section {
    padding: 80px 0;
    background: var(--color-bg-dark);
    position: relative;
}

.calculadoras-section::before {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.34), transparent);
}

.section-title {
    font-family: 'Playfair Display', serif;
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    line-height: 1.6;
}

.filter-section {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin: 0 auto 2.5rem;
    padding: 0.4rem;
    border: 1px solid rgba(212, 175, 55, 0.25);
    border-radius: 999px;
    width: fit-content;
    max-width: 100%;
    background:
        radial-gradient(circle at 10% -40%, rgba(212, 175, 55, 0.18), transparent 55%),
        linear-gradient(135deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0));
    box-shadow: 0 14px 30px rgba(0, 0, 0, 0.28);
}

.filter-btn {
    appearance: none;
    border: 1px solid rgba(143, 106, 26, 0.38);
    border-radius: 999px;
    background: linear-gradient(135deg, rgba(143, 106, 26, 0.09), rgba(110, 79, 17, 0.03));
    color: #c6a35a;
    padding: 0.62rem 1.05rem;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.35px;
    font-family: 'Playfair Display', serif;
    cursor: pointer;
    transition: color var(--transition), background var(--transition), transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    white-space: nowrap;
}

.filter-btn:hover {
    color: #e1c079;
    border-color: rgba(143, 106, 26, 0.72);
    background: linear-gradient(135deg, rgba(143, 106, 26, 0.24), rgba(110, 79, 17, 0.14));
    box-shadow: 0 8px 18px rgba(110, 79, 17, 0.28);
    transform: translateY(-1px);
}

.filter-btn.active {
    color: #f6e8c7;
    border-color: rgba(143, 106, 26, 0.95);
    background: linear-gradient(135deg, var(--color-accent-gold-deep), var(--color-accent-gold-deeper));
    box-shadow: 0 10px 22px rgba(110, 79, 17, 0.4);
}

.filter-btn:focus-visible {
    outline: 2px solid rgba(212, 175, 55, 0.65);
    outline-offset: 2px;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.home-showcase-shell {
    margin-top: 2.5rem;
}

.home-showcase-head {
    margin-bottom: 1.25rem;
}

.home-subsection-title {
    font-family: 'Playfair Display', serif;
    text-align: center;
    font-size: clamp(1.85rem, 3.2vw, 2.35rem);
    margin-bottom: 0.75rem;
    text-decoration: underline;
    text-decoration-color: rgba(212, 175, 55, 0.7);
    text-decoration-thickness: 1.5px;
    text-underline-offset: 0.24em;
}

.home-subsection-text {
    text-align: center;
    max-width: 760px;
    margin: 0 auto;
}

.home-showcase-actions {
    justify-content: center;
    margin-top: 0.5rem;
}

.category-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
}

.category-preview-card {
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    margin-top: 0;
}

.category-preview-title {
    font-size: 1.5rem;
    text-align: left;
}

.category-preview-text {
    color: var(--color-text-muted);
    line-height: 1.6;
}

.hub-toolbar {
    display: grid;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.hub-search-wrap {
    max-width: 520px;
}

.hub-summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.hub-results-summary {
    color: var(--color-text-muted);
    margin: 0;
}

.hub-card-meta {
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.hub-empty-state {
    max-width: 680px;
}

@media (max-width: 768px) {
    .filter-section {
        justify-content: flex-start;
        width: 100%;
        border-radius: var(--radius);
        overflow-x: auto;
        scrollbar-width: thin;
    }

    .filter-section::-webkit-scrollbar {
        height: 6px;
    }

    .filter-section::-webkit-scrollbar-thumb {
        background: rgba(212, 175, 55, 0.4);
        border-radius: 8px;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .category-preview-grid {
        grid-template-columns: 1fr;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   TARJETAS PREMIUM
   ═══════════════════════════════════════════════════════════════════ */

.premium-card {
    position: relative;
    background:
        radial-gradient(160px 120px at 88% 6%, rgba(212, 175, 55, 0.1), transparent 72%),
        linear-gradient(135deg, #1a1a1a 0%, #252525 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    padding-top: 2.5rem;
    display: flex;
    flex-direction: column;
    height: 100%;
    transition: all var(--transition);
    box-shadow: var(--shadow-subtle);
    overflow: hidden;
    cursor: pointer;
}

.premium-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 0;
    background: rgba(212, 175, 55, 0.05);
    transition: height var(--transition);
}

.premium-card::after {
    content: '';
    position: absolute;
    left: 1.1rem;
    right: 1.1rem;
    top: 0.95rem;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.92), rgba(212, 175, 55, 0.1));
    opacity: 0.85;
    z-index: 2;
}

.premium-card--investment::after {
    background: linear-gradient(90deg, #d4af37, #f6d67a);
}

.premium-card--savings::after {
    background: linear-gradient(90deg, #d7b260, #9a7a31);
}

.premium-card--loans::after {
    background: linear-gradient(90deg, #b88a2e, #f0c45f);
}

.premium-card--real-estate::after {
    background: linear-gradient(90deg, #8f6a1a, #d4af37);
}

.premium-card--taxes::after {
    background: linear-gradient(90deg, #a6781e, #e2bf67);
}

.premium-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--color-accent-gold);
}

.premium-card:focus-visible {
    outline: 2px solid rgba(143, 106, 26, 0.9);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(143, 106, 26, 0.25);
}

.premium-card:hover::before {
    height: 100%;
}

.card-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--color-accent-gold);
    color: var(--color-primary-dark);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    z-index: 10;
}

.card-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    position: relative;
    z-index: 2;
    flex: 1;
}

.card-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--color-accent-gold);
    border-radius: 10px;
    color: var(--color-accent-gold);
    transition: all var(--transition);
}

.card-icon svg {
    width: 24px;
    height: 24px;
}

.premium-card:hover .card-icon {
    background: rgba(212, 175, 55, 0.2);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(212, 175, 55, 0.2);
}

.card-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--color-text-light);
    transition: color var(--transition);
}

.premium-card:hover .card-title {
    color: var(--color-text-light);
}

.card-description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
    flex: 1;
    transition: color var(--transition);
}

.premium-card:hover .card-description {
    color: #d0d0d0;
}

.card-button {
    display: inline-flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    background: linear-gradient(135deg, rgba(143, 106, 26, 0.2) 0%, rgba(110, 79, 17, 0.14) 100%);
    border: 1.5px solid rgba(143, 106, 26, 0.8);
    color: #d4b06b;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    letter-spacing: 0.35px;
    font-family: 'Playfair Display', serif;
    cursor: pointer;
    transition: all var(--transition);
    margin-top: auto;
    width: fit-content;
    position: relative;
    overflow: hidden;
}

.card-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(143, 106, 26, 0.32), transparent);
    transition: left var(--transition);
}

.card-button:hover {
    background: linear-gradient(135deg, var(--color-accent-gold-deep), var(--color-accent-gold-deeper));
    color: #f6e8c7;
    box-shadow: 0 10px 24px rgba(110, 79, 17, 0.35);
    transform: translateY(-2px);
}

.card-button:hover::before {
    left: 100%;
}

.arrow {
    transition: transform var(--transition);
    display: inline-block;
}

.card-button:hover .arrow {
    transform: translateX(4px);
}

/* VARIANTE HIGHLIGHTED */
.premium-card--highlighted {
    background: linear-gradient(135deg, #2a2a2a 0%, #1a1a1a 100%);
    border: 2px solid var(--color-accent-gold);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.15);
}

.premium-card--highlighted:hover {
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.3);
    transform: translateY(-10px);
}

.premium-card--highlighted .card-title {
    color: var(--color-text-light);
}

/* ═══════════════════════════════════════════════════════════════════
   FEATURES SECTION
   ═══════════════════════════════════════════════════════════════════ */

.features-section {
    padding: 80px 0;
    background: linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-primary-dark) 100%);
    border-top: 1px solid var(--color-border);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background:
        radial-gradient(220px 120px at 88% 4%, rgba(212, 175, 55, 0.14), transparent 72%),
        linear-gradient(145deg, rgba(20, 20, 20, 0.88) 0%, rgba(34, 34, 34, 0.84) 100%);
    border: 1px solid rgba(212, 175, 55, 0.18);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(4px);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        linear-gradient(125deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0) 28%),
        linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition);
}

.feature-card::after {
    content: '';
    position: absolute;
    left: 1.25rem;
    right: 1.25rem;
    top: 1.1rem;
    height: 2px;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(212, 175, 55, 0.95), rgba(212, 175, 55, 0.15));
    opacity: 0.9;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: rgba(212, 175, 55, 0.45);
    box-shadow: 0 16px 36px rgba(143, 106, 26, 0.2);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-number {
    font-family: 'Playfair Display', serif;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent-gold);
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.feature-title {
    font-size: 1.45rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--color-text-light);
    position: relative;
    z-index: 2;
    letter-spacing: 0.2px;
}

.feature-text {
    color: #c9c9c9;
    line-height: 1.6;
    position: relative;
    z-index: 2;
}

/* ═══════════════════════════════════════════════════════════════════
   MODAL
   ═══════════════════════════════════════════════════════════════════ */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1rem;
    animation: fadeIn 0.3s ease-out;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: linear-gradient(135deg, #1a1a1a 0%, #252525 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
    animation: slideUp 0.3s ease-out;
}

.calculator-page-section {
    min-height: calc(100vh - 90px);
    padding: 56px 0 72px;
    background:
        radial-gradient(900px 360px at 88% -6%, rgba(212, 175, 55, 0.14), transparent 60%),
        linear-gradient(180deg, var(--color-bg-dark) 0%, var(--color-primary-dark) 100%);
}

.calculator-page-shell {
    max-width: 860px;
    margin: 0 auto;
    background: linear-gradient(145deg, rgba(26, 26, 26, 0.92), rgba(36, 36, 36, 0.9));
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: 0 16px 36px rgba(0, 0, 0, 0.28);
}

.calculator-page-head {
    margin-bottom: 1.2rem;
}

.calculator-page-subtitle {
    color: #b9b9b9;
    margin-top: 0.35rem;
}

.calculator-back-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
}

.calculator-seo-content details summary {
    cursor: pointer;
    color: #efda9f;
    font-weight: 600;
}

.calculator-seo-content details p {
    color: #cdcdcd;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color var(--transition);
    z-index: 2010;
}

.modal-close:hover {
    color: var(--color-accent-gold);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   FORMULARIOS EN MODAL
   ═══════════════════════════════════════════════════════════════════ */

.calculator-title {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text-light);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text-light);
}

.form-input,
.form-select {
    width: 100%;
    padding: 0.8rem;
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    color: var(--color-text-light);
    font-family: inherit;
    transition: all var(--transition);
}

.form-input:focus,
.form-select:focus {
    outline: none;
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--color-accent-gold);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 500px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}

.button-group {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.btn-primary {
    flex: 1;
    padding: 1rem;
    background: linear-gradient(135deg, var(--color-accent-gold-deep), var(--color-accent-gold-deeper));
    color: #f6e8c7;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
    letter-spacing: 0.35px;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-primary:hover {
    box-shadow: 0 8px 24px rgba(110, 79, 17, 0.35);
    transform: translateY(-2px);
}

.btn-secondary {
    flex: 1;
    padding: 1rem;
    background: transparent;
    color: #d4b06b;
    border: 1.5px solid rgba(143, 106, 26, 0.8);
    border-radius: 8px;
    font-weight: 700;
    font-family: 'Playfair Display', serif;
    letter-spacing: 0.35px;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--color-accent-gold-deep), var(--color-accent-gold-deeper));
    color: #f6e8c7;
}

.result-box {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid var(--color-accent-gold);
    border-radius: 8px;
    padding: 1.5rem;
    margin-top: 1.5rem;
    text-align: center;
}

.result-label {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.result-value {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent-gold);
}

/* ═══════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════ */

.footer {
    background: linear-gradient(180deg, var(--color-primary-dark) 0%, var(--color-bg-dark) 100%);
    border-top: 1px solid var(--color-border);
    padding: 60px 0 20px;
    margin-top: 80px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text-light);
}

.footer-text {
    color: var(--color-text-muted);
    line-height: 1.6;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.8rem;
}

.footer-links a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--color-accent-gold);
}

.footer-bottom {
    text-align: center;
    color: var(--color-text-muted);
    padding-top: 2rem;
    border-top: 1px solid var(--color-border);
    font-size: 0.9rem;
}

/* ═══════════════════════════════════════════════════════════════════
   DARK MODE & ACCESIBILIDAD
   ═══════════════════════════════════════════════════════════════════ */

@media (prefers-color-scheme: light), (prefers-color-scheme: dark), (prefers-color-scheme: no-preference) {
    :root {
        --color-primary-dark: #ffffff;
        --color-bg-dark: #f5f5f5;
        --color-border: #e0e0e0;
        --color-text-light: #1a1a1a;
        --color-text-muted: #666666;
    }

    body {
        background-color: var(--color-bg-dark);
        color: var(--color-text-light);
    }

    .navbar {
        background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0.95) 100%);
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .premium-card {
        background:
            radial-gradient(160px 120px at 88% 6%, rgba(143, 106, 26, 0.16), transparent 72%),
            linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
        border-color: #d8d8d8;
    }

    .feature-card {
        background:
            radial-gradient(220px 120px at 88% 4%, rgba(212, 175, 55, 0.2), transparent 72%),
            linear-gradient(145deg, rgba(255, 255, 255, 0.96) 0%, rgba(246, 244, 239, 0.96) 100%);
        border-color: rgba(143, 106, 26, 0.18);
        box-shadow: 0 10px 26px rgba(0, 0, 0, 0.08);
    }

    .feature-text {
        color: #5d5d5d;
    }

    .premium-card::after {
        opacity: 0.95;
    }

    .premium-card--investment {
        box-shadow: 0 10px 24px rgba(143, 106, 26, 0.12);
    }

    .premium-card--savings {
        box-shadow: 0 10px 24px rgba(154, 122, 49, 0.11);
    }

    .premium-card--loans {
        box-shadow: 0 10px 24px rgba(184, 138, 46, 0.11);
    }

    .premium-card--real-estate {
        box-shadow: 0 10px 24px rgba(143, 106, 26, 0.14);
    }

    .premium-card--taxes {
        box-shadow: 0 10px 24px rgba(166, 120, 30, 0.1);
    }

    .filter-section {
        background: linear-gradient(135deg, rgba(212, 175, 55, 0.15), rgba(212, 175, 55, 0.06));
        box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
    }

    .filter-btn {
        color: #6b5320;
    }

    .filter-btn:hover {
        color: #3a2c0e;
    }

    .form-input,
    .form-select {
        background: #f0f0f0;
        color: var(--color-text-light);
    }

    .modal-content {
        background: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
    }

    .calculator-page-section {
        background:
            radial-gradient(900px 360px at 88% -6%, rgba(143, 106, 26, 0.14), transparent 60%),
            linear-gradient(180deg, #f5f5f5 0%, #efefef 100%);
    }

    .calculator-page-shell {
        background: linear-gradient(145deg, rgba(255, 255, 255, 0.96), rgba(246, 244, 239, 0.96));
        border-color: rgba(143, 106, 26, 0.2);
    }

    .calculator-page-subtitle {
        color: #666666;
    }

    .hero {
        background:
            radial-gradient(950px 460px at -6% -8%, rgba(143, 106, 26, 0.18), transparent 60%),
            radial-gradient(780px 420px at 110% 5%, rgba(212, 175, 55, 0.16), transparent 62%),
            linear-gradient(135deg, #f2f1ec 0%, #f7f6f2 58%, #ede9dc 100%);
    }

    .hero::before {
        opacity: 0.26;
    }

    .hero::after {
        background: linear-gradient(180deg, rgba(247, 246, 242, 0) 0%, rgba(247, 246, 242, 0.72) 55%, #f5f5f5 100%);
    }

    .hero-decorative {
        background:
            radial-gradient(280px 280px at 84% 28%, rgba(143, 106, 26, 0.18), transparent 72%),
            radial-gradient(240px 240px at 16% 70%, rgba(212, 175, 55, 0.14), transparent 72%);
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
    .navbar-container {
        flex-direction: row;
        align-items: center;
        gap: 0.75rem;
        padding: 0.85rem var(--spacing-md);
    }

    .navbar-menu {
        justify-content: flex-start;
        width: 100%;
        gap: 0.65rem;
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 0.25rem;
        scrollbar-width: thin;
    }

    .navbar-menu li {
        flex: 0 0 auto;
    }

    .nav-link {
        white-space: nowrap;
        font-size: 0.9rem;
    }

    .hero {
        min-height: 400px;
        padding: 40px 0;
    }

    .calculadoras-section,
    .features-section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .premium-card {
        padding: 1.5rem;
    }

    .modal-content {
        padding: 1.5rem;
    }

    .calculator-page-section {
        padding: 34px 0 48px;
    }

    .calculator-page-shell {
        padding: 1.4rem;
    }

    .hub-toolbar {
        gap: 1rem;
    }

    .hub-summary {
        align-items: flex-start;
        flex-direction: column;
    }

    .home-showcase-actions .btn-primary {
        width: 100%;
    }
}

/* ═══════════════════════════════════════════════════════════════════
   FIN DE ESTILOS
   ═══════════════════════════════════════════════════════════════════ */