/* ============================================
   CuantoPagoHipoteca.com - Stylesheet
   Premium financial calculator - 2026
   ============================================ */

:root {
    --navy: #0a1628;
    --navy-light: #111d32;
    --navy-mid: #162240;
    --gold: #c9a84c;
    --gold-light: #e0c76a;
    --gold-dim: rgba(201, 168, 76, .12);
    --blue: #4a6fa5;
    --blue-dim: rgba(74, 111, 165, .15);
    --text: #e8e6e1;
    --text-dim: #8d8b86;
    --text-mid: #b5b3ae;
    --surface: #131f36;
    --surface-hover: #1a2a48;
    --border: rgba(255, 255, 255, .06);
    --border-gold: rgba(201, 168, 76, .25);
    --radius: 14px;
    --radius-sm: 8px;
    --font-display: 'DM Serif Display', Georgia, serif;
    --font-body: 'Outfit', system-ui, sans-serif;
    --container: 1120px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--font-body);
    background: var(--navy);
    color: var(--text);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--gold); text-decoration: none; transition: color .2s; }
a:hover { color: var(--gold-light); }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.content-narrow { max-width: 800px; margin: 0 auto; }
.hidden { display: none !important; }

/* ---- Header ---- */
.site-header {
    position: sticky; top: 0; z-index: 100;
    background: rgba(10,22,40,.92);
    backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); }
.logo:hover { color: var(--text); }
.logo-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; background: var(--navy-mid);
    border: 1px solid var(--border-gold); border-radius: 8px;
    font-family: var(--font-display); font-size: 16px; color: var(--gold);
}
.logo-text { font-family: var(--font-display); font-size: 17px; letter-spacing: .3px; }
.main-nav { display: flex; gap: 4px; }
.nav-link {
    padding: 8px 16px; border-radius: 8px;
    font-size: 14px; font-weight: 500; color: var(--text-mid); transition: all .2s;
}
.nav-link:hover { color: var(--text); background: var(--surface); }
.nav-link.active { color: var(--gold); background: var(--gold-dim); }
.mobile-menu-btn {
    display: none; flex-direction: column; gap: 5px;
    background: none; border: none; cursor: pointer; padding: 6px;
}
.mobile-menu-btn span { display: block; width: 22px; height: 2px; background: var(--text-mid); border-radius: 2px; transition: .3s; }

/* ---- Hero ---- */
.hero {
    padding: 72px 0 40px; text-align: center;
    background: radial-gradient(ellipse at 50% 0%, rgba(201,168,76,.06) 0%, transparent 60%);
}
.hero h1 {
    font-family: var(--font-display);
    font-size: clamp(26px, 5vw, 44px); font-weight: 400; line-height: 1.2; margin-bottom: 16px;
}
.hero-sub { font-size: 17px; color: var(--text-dim); max-width: 620px; margin: 0 auto 20px; }
.hero-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; }
.hero-tag {
    font-size: 12px; font-weight: 500; color: var(--text-dim);
    background: var(--surface); border: 1px solid var(--border);
    padding: 5px 14px; border-radius: 20px;
}

/* ---- Calculator Section ---- */
.calc-section { padding: 48px 0 32px; }
.calc-section-alt { border-top: 1px solid var(--border); }
.calc-header { margin-bottom: 32px; }
.calc-badge {
    display: inline-block; font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 1.5px; color: var(--gold);
    background: var(--gold-dim); padding: 5px 14px; border-radius: 20px; margin-bottom: 14px;
}
.calc-header h2 { font-family: var(--font-display); font-size: clamp(24px,3.5vw,34px); font-weight: 400; margin-bottom: 8px; }
.calc-header p { color: var(--text-dim); font-size: 15px; }

.calc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }

/* ---- Form ---- */
.calc-form {
    background: var(--surface); border: 1px solid var(--border);
    border-radius: var(--radius); padding: 32px;
    display: flex; flex-direction: column; gap: 22px;
}
.input-group label {
    display: block; font-size: 13px; font-weight: 600;
    text-transform: uppercase; letter-spacing: .8px; color: var(--text-mid); margin-bottom: 8px;
}
.input-wrap { position: relative; display: flex; align-items: center; }
.input-wrap input {
    width: 100%; background: var(--navy); border: 1px solid var(--border);
    border-radius: var(--radius-sm); padding: 14px 50px 14px 18px;
    font-family: var(--font-body); font-size: 20px; font-weight: 600;
    color: var(--text); outline: none; transition: border-color .2s, box-shadow .2s;
}
.input-wrap input:focus { border-color: var(--gold); box-shadow: 0 0 0 3px rgba(201,168,76,.15); }
.input-suffix { position: absolute; right: 16px; font-size: 15px; font-weight: 500; color: var(--text-dim); pointer-events: none; }
.input-group small { display: block; font-size: 12px; color: var(--text-dim); margin-top: 6px; }

.form-tip {
    display: flex; align-items: flex-start; gap: 8px;
    font-size: 12px; color: var(--text-dim);
    background: var(--gold-dim); border-radius: var(--radius-sm); padding: 12px 14px;
}
.form-tip svg { flex-shrink: 0; color: var(--gold); margin-top: 1px; }

/* ---- Results ---- */
.calc-results { background: var(--surface); border: 1px solid var(--border-gold); border-radius: var(--radius); padding: 32px; }
.result-main { text-align: center; padding-bottom: 24px; margin-bottom: 24px; border-bottom: 1px solid var(--border); }
.result-label { display: block; font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); margin-bottom: 6px; }
.result-value { display: block; font-family: var(--font-display); font-size: 44px; color: var(--gold); line-height: 1.1; }
.result-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 12px; margin-bottom: 28px; }
.result-item { background: var(--navy); border-radius: var(--radius-sm); padding: 14px; text-align: center; }
.result-value-sm { display: block; font-size: 17px; font-weight: 600; color: var(--text); margin-top: 4px; }
.result-value-sm.highlight { color: var(--blue); }

.result-chart { display: flex; flex-direction: column; align-items: center; margin-bottom: 20px; }
.result-chart canvas { max-width: 180px; max-height: 180px; }
.chart-legend { display: flex; gap: 20px; margin-top: 12px; font-size: 13px; color: var(--text-mid); }
.legend-item { display: flex; align-items: center; gap: 6px; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; }
.dot-capital { background: var(--gold); }
.dot-interes { background: var(--blue); }

.btn-toggle-table {
    display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%;
    padding: 12px; background: var(--navy); border: 1px solid var(--border);
    border-radius: var(--radius-sm); font-family: var(--font-body);
    font-size: 14px; font-weight: 500; color: var(--text-mid); cursor: pointer; transition: all .2s;
}
.btn-toggle-table:hover { border-color: var(--gold); color: var(--gold); }
.btn-toggle-table[aria-expanded="true"] svg { transform: rotate(180deg); }
.btn-toggle-table svg { transition: transform .3s; }

/* ---- Table ---- */
.table-wrap { margin-top: 24px; animation: fadeIn .3s ease; }
.table-controls { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; margin-bottom: 12px; }
.table-title { font-size: 14px; font-weight: 600; color: var(--text-mid); }
.table-mode-btns { display: flex; gap: 4px; }
.table-mode-btn {
    font-family: var(--font-body); font-size: 12px; font-weight: 500;
    padding: 6px 14px; border-radius: 6px; border: 1px solid var(--border);
    background: transparent; color: var(--text-dim); cursor: pointer; transition: all .2s;
}
.table-mode-btn.active { background: var(--gold-dim); color: var(--gold); border-color: var(--border-gold); }

.table-scroll { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); max-height: 500px; overflow-y: auto; }
.table-scroll table { width: 100%; border-collapse: collapse; font-size: 13px; white-space: nowrap; }
.table-scroll thead { position: sticky; top: 0; z-index: 2; }
.table-scroll th {
    background: var(--navy-mid); color: var(--gold); font-weight: 600;
    text-transform: uppercase; letter-spacing: .8px; font-size: 11px;
    padding: 14px 16px; text-align: right; border-bottom: 1px solid var(--border);
}
.table-scroll th:first-child { text-align: center; }
.table-scroll td { padding: 10px 16px; text-align: right; color: var(--text-mid); border-bottom: 1px solid var(--border); }
.table-scroll td:first-child { text-align: center; color: var(--text-dim); }
.table-scroll tbody tr:hover td { background: rgba(201,168,76,.04); }

/* ---- Ad Slots ---- */
.ad-slot { padding: 16px 0; }
.ad-placeholder { min-height: 90px; border-radius: var(--radius-sm); }

/* ---- SEO Content ---- */
.seo-content { padding: 64px 0 48px; border-top: 1px solid var(--border); }
.seo-content h2 { font-family: var(--font-display); font-size: 28px; font-weight: 400; margin-bottom: 16px; margin-top: 48px; }
.seo-content h2:first-child { margin-top: 0; }
.seo-content h3 { font-size: 18px; font-weight: 600; color: var(--gold); margin-top: 32px; margin-bottom: 10px; }
.seo-content p { color: var(--text-mid); font-size: 15px; margin-bottom: 12px; line-height: 1.75; }
.seo-content strong { color: var(--text); }

/* ---- FAQ ---- */
.faq-section { padding: 48px 0 64px; border-top: 1px solid var(--border); }
.faq-section h2 { font-family: var(--font-display); font-size: 28px; font-weight: 400; margin-bottom: 28px; }
.faq-list { display: flex; flex-direction: column; gap: 8px; }
.faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: border-color .2s; }
.faq-item[open] { border-color: var(--border-gold); }
.faq-item summary {
    padding: 18px 24px; font-weight: 600; font-size: 15px; cursor: pointer;
    list-style: none; display: flex; align-items: center; justify-content: space-between;
    gap: 16px; color: var(--text); transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after { content: '+'; font-size: 20px; font-weight: 300; color: var(--gold); flex-shrink: 0; }
.faq-item[open] summary::after { content: '−'; }
.faq-item p { padding: 0 24px 18px; color: var(--text-mid); font-size: 14px; line-height: 1.7; }

/* ---- Footer ---- */
.site-footer { border-top: 1px solid var(--border); padding-top: 48px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand p { color: var(--text-dim); font-size: 14px; margin-top: 12px; max-width: 300px; }
.footer-links h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 1px; color: var(--text-mid); margin-bottom: 14px; }
.footer-links a { display: block; color: var(--text-dim); font-size: 14px; padding: 4px 0; }
.footer-links a:hover { color: var(--gold); }
.footer-bottom { border-top: 1px solid var(--border); padding: 20px 0; }
.footer-bottom p { font-size: 12px; color: var(--text-dim); text-align: center; }

/* ---- Cookie Banner ---- */
.cookie-banner {
    position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999;
    background: var(--navy-light); border-top: 1px solid var(--border-gold);
    padding: 18px 0; transform: translateY(0); transition: transform .4s ease;
}
.cookie-banner.hidden-cookie { transform: translateY(100%); pointer-events: none; }
.cookie-inner { max-width: var(--container); margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.cookie-inner p { font-size: 13px; color: var(--text-mid); flex: 1; min-width: 200px; margin: 0; }
.cookie-btns { display: flex; gap: 10px; flex-shrink: 0; }
.cookie-btn {
    font-family: var(--font-body); font-size: 13px; font-weight: 600;
    padding: 10px 22px; border-radius: var(--radius-sm); border: none; cursor: pointer; transition: all .2s;
}
.cookie-btn-accept { background: var(--gold); color: var(--navy); }
.cookie-btn-accept:hover { background: var(--gold-light); }
.cookie-btn-reject { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.cookie-btn-reject:hover { border-color: var(--text-dim); color: var(--text); }

/* ---- Legal Pages ---- */
.legal-page { padding: 100px 0 64px; }
.legal-page h1 { font-family: var(--font-display); font-size: 32px; margin-bottom: 8px; }
.legal-page .legal-date { font-size: 13px; color: var(--text-dim); margin-bottom: 32px; display: block; }
.legal-page h2 { font-family: var(--font-body); font-size: 20px; font-weight: 600; color: var(--gold); margin-top: 36px; margin-bottom: 12px; }
.legal-page h3 { font-size: 16px; font-weight: 600; color: var(--text); margin-top: 24px; margin-bottom: 8px; }
.legal-page p, .legal-page li { font-size: 15px; color: var(--text-mid); line-height: 1.75; margin-bottom: 10px; }
.legal-page ul { padding-left: 20px; margin-bottom: 12px; }
.legal-page li { margin-bottom: 6px; }

/* ---- Animations ---- */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ---- Responsive ---- */
@media (max-width: 768px) {
    .main-nav { display: none; }
    .main-nav.open {
        display: flex; flex-direction: column; position: absolute;
        top: 64px; left: 0; right: 0; background: var(--navy);
        border-bottom: 1px solid var(--border); padding: 12px 24px; gap: 4px; animation: fadeIn .2s ease;
    }
    .mobile-menu-btn { display: flex; }
    .hero { padding: 48px 0 28px; }
    .calc-grid { grid-template-columns: 1fr; gap: 20px; }
    .calc-form, .calc-results { padding: 24px 20px; }
    .result-value { font-size: 36px; }
    .result-row { grid-template-columns: 1fr; gap: 10px; }
    .footer-inner { grid-template-columns: 1fr; gap: 28px; }
    .cookie-inner { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .input-wrap input { font-size: 18px; padding: 12px 44px 12px 14px; }
    .calc-form, .calc-results { padding: 20px 16px; }
}