:root {
    --bg-dark: #0a0a0c;
    --bg-card: rgba(26, 26, 30, 0.7);
    --gold: #d4af37;
    --gold-light: #f5d462;
    --text-main: #f0f0f0;
    --text-muted: #a0a0a5;
    --glass-border: rgba(255, 255, 255, 0.05);
    --whatsapp: #25d366;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

/* Glassmorphism Common */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Typography */
h1, h2, h3 {
    font-weight: 700;
    line-height: 1.2;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    font-size: 2.5rem;
    background: linear-gradient(to right, var(--gold), var(--gold-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: all 0.3s ease;
    padding: 20px 0;
}

header.scrolled {
    background: rgba(10, 10, 12, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}

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

.logo a {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -1px;
}

.logo span {
    color: var(--gold);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    gap: 8px;
}

.btn .icon {
    width: 20px;
    height: 20px;
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-light));
    color: #000;
    box-shadow: 0 4px 15px rgba(212, 175, 55, 0.3);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(212, 175, 55, 0.5);
}

.btn-gold.outline {
    background: transparent;
    border: 2px solid var(--gold);
    color: var(--gold);
    box-shadow: none;
}
.btn-gold.outline:hover {
    background: var(--gold);
    color: #000;
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: #fff;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.5);
}

.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.6); }
    70% { box-shadow: 0 0 0 15px rgba(212, 175, 55, 0); }
    100% { box-shadow: 0 0 0 0 rgba(212, 175, 55, 0); }
}

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

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: url('assets/img/hero.png') center/cover no-repeat;
    z-index: -2;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(10,10,12,0.9) 0%, rgba(10,10,12,0.6) 50%, rgba(10,10,12,0.3) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 700px;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    background: linear-gradient(to right, #fff, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content .subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Calculator Section */
.calculator-section {
    position: relative;
    margin-top: -80px;
    z-index: 10;
}

.cal-wrapper {
    padding: 40px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    border-top: 2px solid rgba(212, 175, 55, 0.3);
}

.cal-wrapper h2 {
    color: var(--gold);
    margin-bottom: 10px;
}

.calc-form {
    display: flex;
    gap: 20px;
    justify-content: center;
    align-items: flex-end;
    margin-top: 30px;
    flex-wrap: wrap;
}

.input-group {
    display: flex;
    flex-direction: column;
    text-align: left;
    flex: 1;
    min-width: 200px;
}

.input-group label {
    margin-bottom: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.input-group select {
    padding: 12px 15px;
    border-radius: 8px;
    background: rgba(0,0,0,0.5);
    border: 1px solid var(--glass-border);
    color: white;
    font-family: 'Outfit';
    font-size: 1rem;
    outline: none;
    transition: border 0.3s;
}

.input-group select:focus {
    border-color: var(--gold);
}

.calc-result {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
    display: none;
    animation: fadeIn 0.5s forwards;
}

.calc-result h3 {
    font-size: 1.8rem;
    color: var(--gold);
}

/* Features */
.features {
    padding: 100px 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    padding: 40px 30px;
    text-align: center;
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-10px);
    border-color: rgba(212, 175, 55, 0.3);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.card h3 {
    margin-bottom: 15px;
    color: var(--gold-light);
}

.card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* SEO About Text */
.about-seo {
    padding: 50px 0;
}

.mb-4 {
    margin-bottom: 2rem;
}

.content-text {
    padding: 40px;
    border-left: 4px solid var(--gold);
}

.content-text h2 {
    margin-bottom: 10px;
    font-size: 2rem;
    color: #fff;
    line-height: 1.3;
}

.sub-section {
    margin-top: 1.8rem;
}

.sub-section h3 {
    font-size: 1.25rem;
    color: var(--gold-light);
    margin-bottom: 8px;
    line-height: 1.4;
}

.content-text p {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

.content-text strong {
    color: var(--text-main);
}

/* FAQ */
.faq-section {
    padding: 100px 0;
}

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

.accordion-item {
    margin-bottom: 15px;
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    overflow: hidden;
}

.accordion-header {
    background: var(--bg-card);
    padding: 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 600;
    transition: background 0.3s;
}

.accordion-header:hover {
    background: rgba(40,40,45, 0.8);
}

.accordion-content {
    background: rgba(0,0,0,0.3);
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.accordion-content p {
    padding: 20px 0;
    color: var(--text-muted);
}

/* Footer */
footer {
    background: #050505;
    padding: 60px 0 20px;
    border-top: 1px solid var(--glass-border);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-bottom: 40px;
}

.f-brand h2 {
    font-size: 2rem;
}
.f-brand span {
    color: var(--gold);
}
.f-brand p {
    color: var(--text-muted);
    margin-top: 10px;
}

.f-contact h3 {
    margin-bottom: 15px;
    color: var(--gold);
}
.f-contact p {
    color: var(--text-muted);
    margin-bottom: 10px;
}

.btn.small {
    padding: 8px 16px;
    font-size: 0.85rem;
    margin-top: 10px;
}

.footer-tags {
    text-align: center;
    color: #333;
    margin-bottom: 20px;
    font-size: 0.8rem;
}

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    padding-top: 20px;
    border-top: 1px solid var(--glass-border);
    font-size: 0.9rem;
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    left: 30px;
    background-color: var(--whatsapp);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform 0.3s ease;
    animation: bounce 2s infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
@keyframes fadeIn {
    to { opacity: 1; }
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content h1 { font-size: 2.5rem; }
    .hero { padding-top: 120px; }
    .calculator-section { margin-top: 40px; }
    .calc-form { flex-direction: column; align-items: stretch; }
    .footer-top { flex-direction: column; }
    .nav-cta span { display: none; } /* On very small screens just show icon if needed, here we left text */
    .btn { padding: 10px 20px; font-size: 0.9rem; }
}