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

:root {
    /* Gold palette */
    --gold-300: #E5BF4E;
    --gold-400: #D4AF37;
    --gold-500: #C9A84C;
    --gold-600: #B8942F;

    /* Dark palette */
    --dark-800: #030303;
    --dark-900: #010101;

    /* Semantic */
    --bg-primary: #0A0A0D;
    --bg-secondary: #0F0F13;
    --bg-card: rgba(20, 20, 26, 0.8);
    --bg-card-hover: rgba(30, 30, 38, 0.9);
    --border-color: rgba(201, 168, 76, 0.12);
    --border-hover: rgba(201, 168, 76, 0.3);
    --text-primary: #F5F5F5;
    --text-secondary: #9E9E9E;
    --text-muted: #616161;

    /* Effects */
    --glow-gold: rgba(201, 168, 76, 0.15);
    --shadow-gold: 0 8px 32px rgba(201, 168, 76, 0.15);

    /* Typography */
    --font-sans: 'Inter', sans-serif;
    --font-serif: 'Playfair Display', serif;

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

.text-center {
    text-align: center;
}

/* ===== TYPOGRAPHY ===== */
.gold-text {
    background: linear-gradient(135deg, var(--gold-300), var(--gold-500), var(--gold-300));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.4s var(--ease-out);
    cursor: pointer;
}

.btn-primary {
    background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
    color: var(--dark-800);
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(201, 168, 76, 0.3);
}

.btn-outline {
    border: 1px solid var(--border-hover);
    color: var(--gold-400);
}

.btn-outline:hover {
    background: rgba(201, 168, 76, 0.08);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===== NAVBAR ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 24px 0;
    background: rgba(10, 10, 13, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-ee {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--gold-400);
    letter-spacing: 2px;
}

.logo-divider {
    width: 1px;
    height: 24px;
    background: var(--gold-500);
    opacity: 0.5;
    margin: 0 12px;
}

.logo-name {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gold-400);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.875rem;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--gold-400);
}

.nav-btn {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--dark-800);
    background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
    padding: 8px 16px;
    border-radius: 8px;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background: var(--gold-400);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    overflow: hidden;
}

.hero-bg-effects {
    position: absolute;
    inset: 0;
}

.hero-glow {
    position: absolute;
    filter: blur(120px);
    opacity: 0.15;
}

.hero-glow-1 { top: -100px; right: -100px; width: 600px; height: 600px; background: radial-gradient(circle, var(--gold-400), transparent); }
.hero-glow-2 { bottom: -50px; left: -100px; width: 500px; height: 500px; background: radial-gradient(circle, var(--gold-500), transparent); }

.hero-container {
    padding: 60px 0;
    position: relative;
    z-index: 10;
}

.hero-no-visual {
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: rgba(201, 168, 76, 0.08);
    border: 1px solid var(--border-color);
    border-radius: 100px;
    font-size: 0.8rem;
    color: var(--gold-400);
    margin-bottom: 28px;
}

.badge-dot { width: 7px; height: 7px; background: var(--gold-400); border-radius: 50%; }

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.1;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 48px;
    margin-bottom: 48px;
}

.stat-number { font-size: 2.2rem; font-weight: 700; color: var(--gold-400); font-family: var(--font-serif); }
.stat-suffix { font-size: 1.4rem; color: var(--gold-400); }
.stat-label { display: block; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; }
.stat-divider { width: 1px; height: 40px; background: var(--border-color); }

.hero-actions { display: flex; justify-content: center; gap: 20px; }

/* ===== SECTIONS ===== */
.section { padding: 120px 0; }
.section-alt { background: var(--bg-secondary); }

.section-header { margin-bottom: 60px; }
.section-tag { font-size: 0.75rem; color: var(--gold-400); text-transform: uppercase; letter-spacing: 2px; }
.section-title { font-family: var(--font-serif); font-size: 3rem; margin-top: 10px; }
.section-desc { color: var(--text-secondary); margin-top: 15px; max-width: 600px; margin-left: auto; margin-right: auto; }

/* ABOUT CARDS */
.about-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 60px; }
.about-card { padding: 40px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 24px; text-align: left; }
.about-card:hover { transform: translateY(-5px); border-color: var(--border-hover); background: var(--bg-card-hover); transition: all 0.4s ease; }
.about-card h3 { font-family: var(--font-serif); font-size: 1.5rem; margin: 15px 0 10px; }
.about-card p { color: var(--text-secondary); font-size: 0.95rem; }

/* STEPS */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
.step-number { font-family: var(--font-serif); font-size: 3rem; color: var(--gold-400); opacity: 0.3; }
.step-content h3 { font-size: 1.1rem; margin: 10px 0; }

/* SIMULATOR */
.simulator-wrapper { max-width: 600px; margin: 0 auto; }
.simulator-card { padding: 60px; background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 32px; box-shadow: var(--shadow-gold); }
.sim-group { margin-bottom: 30px; }
.sim-label { display: block; font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; margin-bottom: 10px; }
.sim-value-display { font-family: var(--font-serif); font-size: 2.2rem; color: var(--gold-400); margin-bottom: 10px; }
.sim-range { width: 100%; -webkit-appearance: none; background: rgba(255, 255, 255, 0.1); height: 4px; border-radius: 2px; }
.sim-range::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; background: var(--gold-400); border-radius: 50%; cursor: pointer; }

.sim-results { margin-top: 40px; padding-top: 30px; border-top: 1px solid var(--border-color); text-align: center; }
.sim-total-value { font-family: var(--font-serif); font-size: 3rem; margin: 10px 0; }
.sim-note { font-size: 0.8rem; color: var(--text-muted); margin-top: 12px; }

/* Simulator info row */
.sim-info-row { display: flex; justify-content: space-between; gap: 16px; margin-bottom: 10px; }
.sim-info-item { flex: 1; padding: 16px 20px; background: rgba(201, 168, 76, 0.06); border: 1px solid var(--border-color); border-radius: 14px; text-align: center; }
.sim-info-label { display: block; font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 4px; }
.sim-info-value { display: block; font-family: var(--font-serif); font-size: 1.3rem; color: var(--gold-400); font-weight: 600; }

/* Daily payment */
.sim-daily-item { margin-top: 20px; padding: 20px; background: rgba(201, 168, 76, 0.08); border: 1px solid var(--border-hover); border-radius: 16px; }
.sim-daily-value { font-size: 2rem !important; color: var(--gold-300) !important; }
.sim-result-label { display: block; font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 6px; }
.sim-result-value { font-family: var(--font-serif); font-size: 2.2rem; color: var(--text-primary); }

/* FAQ */
.faq-list { max-width: 700px; margin: 0 auto; }
.faq-item { margin-bottom: 15px; border-bottom: 1px solid var(--border-color); }
.faq-question { width: 100%; padding: 20px; display: flex; justify-content: space-between; align-items: center; font-weight: 600; cursor: pointer; }
.faq-answer { padding: 0 20px 20px; color: var(--text-secondary); display: none; }

/* FOOTER */
.footer { padding: 80px 0; border-top: 1px solid var(--border-color); text-align: center; }
.footer-tagline { color: var(--text-muted); font-size: 0.9rem; margin-top: 10px; }
.footer-bottom { margin-top: 40px; display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--text-muted); }

/* GUARANTEE SECTION */
.guarantee-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 60px; }
.guarantee-card { 
    padding: 36px; 
    background: var(--bg-card); 
    border: 1px solid var(--border-color); 
    border-radius: 24px; 
    text-align: left; 
    transition: all 0.4s ease;
}
.guarantee-card:hover { 
    transform: translateY(-5px); 
    border-color: var(--border-hover); 
    background: var(--bg-card-hover); 
}
.guarantee-icon { 
    width: 56px; 
    height: 56px; 
    display: flex; 
    align-items: center; 
    justify-content: center; 
    background: rgba(201, 168, 76, 0.08); 
    border: 1px solid var(--border-color); 
    border-radius: 14px; 
    margin-bottom: 16px; 
}
.guarantee-card h3 { font-family: var(--font-serif); font-size: 1.4rem; margin-bottom: 10px; color: var(--text-primary); }
.guarantee-card p { color: var(--text-secondary); font-size: 0.92rem; line-height: 1.6; }

/* CTA FINAL */
.cta-final-content { max-width: 650px; margin: 0 auto; }
.cta-final-content .section-title { margin-bottom: 20px; }
.cta-final-content .section-desc { margin-bottom: 40px; }

/* RESPONSIVE */
@media (max-width: 991px) { 
    .about-grid { grid-template-columns: 1fr; } 
    .steps-grid { grid-template-columns: 1fr 1fr; } 
    .guarantee-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) { 
    .nav-toggle { display: flex; }
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 250px;
        height: 100vh;
        background: var(--bg-primary);
        flex-direction: column;
        justify-content: center;
        padding: 40px;
        transition: right 0.4s ease;
        border-left: 1px solid var(--border-color);
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    }
    .nav-links.active { right: 0; }
    .nav-link { font-size: 1.1rem; }
    .nav-btn { text-align: center; }

    .hero-title { font-size: 2.2rem; }
    .hero-stats { flex-direction: column; gap: 24px; } 
    .stat-divider { width: 40px; height: 1px; } 
    
    .section-title { font-size: 2.2rem; }
    .steps-grid { grid-template-columns: 1fr; }
    
    .simulator-card { padding: 30px 20px; }
    .sim-info-row { flex-direction: column; }
    
    .terms-modal { margin: 16px; padding: 28px 20px; max-height: 90vh; }
    .terms-item { padding: 14px; }
}

/* ===== TERMS MODAL ===== */
.terms-overlay {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s var(--ease-out);
}

.terms-overlay.active {
    opacity: 1;
    visibility: visible;
}

.terms-modal {
    position: relative;
    width: 100%;
    max-width: 560px;
    max-height: 85vh;
    overflow-y: auto;
    background: linear-gradient(145deg, rgba(18, 18, 24, 0.98), rgba(12, 12, 16, 0.99));
    border: 1px solid var(--border-color);
    border-radius: 28px;
    padding: 40px 36px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(201, 168, 76, 0.08);
    transform: translateY(30px) scale(0.95);
    transition: transform 0.5s var(--ease-out);
}

.terms-overlay.active .terms-modal {
    transform: translateY(0) scale(1);
}

/* Scrollbar styling */
.terms-modal::-webkit-scrollbar { width: 6px; }
.terms-modal::-webkit-scrollbar-track { background: transparent; }
.terms-modal::-webkit-scrollbar-thumb { background: var(--border-hover); border-radius: 3px; }

.terms-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.terms-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border-color: var(--border-hover);
}

.terms-header {
    text-align: center;
    margin-bottom: 28px;
}

.terms-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(201, 168, 76, 0.1);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    margin: 0 auto 16px;
}

.terms-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.terms-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.terms-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 28px;
}

.terms-item {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 18px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
}

.terms-item:hover {
    background: rgba(201, 168, 76, 0.04);
    border-color: var(--border-hover);
}

.terms-item.checked {
    background: rgba(201, 168, 76, 0.06);
    border-color: rgba(201, 168, 76, 0.3);
}

.terms-checkbox {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.terms-checkmark {
    flex-shrink: 0;
    width: 22px;
    height: 22px;
    border: 2px solid var(--border-hover);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    margin-top: 2px;
    position: relative;
}

.terms-checkmark::after {
    content: '';
    width: 6px;
    height: 10px;
    border: solid var(--dark-800);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg) scale(0);
    transition: transform 0.2s ease;
    position: absolute;
    top: 2px;
}

.terms-checkbox:checked + .terms-checkmark {
    background: linear-gradient(135deg, var(--gold-400), var(--gold-600));
    border-color: var(--gold-400);
}

.terms-checkbox:checked + .terms-checkmark::after {
    transform: rotate(45deg) scale(1);
}

.terms-text strong {
    display: block;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.terms-text p {
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.terms-btn-whatsapp {
    margin-top: 4px;
    gap: 10px;
    transition: all 0.4s var(--ease-out);
}

.terms-btn-whatsapp:disabled {
    opacity: 0.35;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
    pointer-events: none;
}

.terms-btn-whatsapp:not(:disabled) {
    animation: btnPulse 2s ease-in-out infinite;
}

@keyframes btnPulse {
    0%, 100% { box-shadow: var(--shadow-gold); }
    50% { box-shadow: 0 8px 40px rgba(201, 168, 76, 0.35); }
}