:root {
    --primary: #0f172a;
    --primary-light: #1e293b;
    --accent: #2563eb;
    --accent-light: #60a5fa;
    --gold: #f59e0b;
    --gold-dark: #d97706;
    --white: #ffffff;
    --success: #10b981;
    --text-main: #f8fafc;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --glass: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--white);
    color: var(--text-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

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

/* Typography */
h1 { font-size: 3.5rem; font-weight: 800; line-height: 1.1; margin-bottom: 24px; color: var(--white); }
h2 { font-size: 2.5rem; font-weight: 700; line-height: 1.2; margin-bottom: 20px; }
.gradient-text { background: linear-gradient(135deg, #60a5fa 0%, #a855f7 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.section-title.white, .section-sub.white { color: var(--white); }
.section-sub.white { opacity: 0.9; }
.text-center { text-align: center; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    gap: 10px;
}

.btn-sm { padding: 10px 20px; font-size: 0.9rem; }
.btn-lg { padding: 18px 36px; font-size: 1.1rem; }
.btn-full { width: 100%; }

.btn-primary {
    background: var(--accent);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.4);
}

.btn-gold {
    background: var(--gold);
    color: var(--primary);
}

.btn-gold:hover {
    background: var(--gold-dark);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-whatsapp {
    background: #25d366;
    color: white;
}

.shadow-glow { box-shadow: 0 0 20px rgba(37, 99, 235, 0.3); }

/* Navigation */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: 80px;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: all 0.3s;
}

.nav-inner {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo { display: flex; align-items: center; gap: 10px; }
.logo-icon { width: 40px; height: 40px; background: var(--accent); border-radius: 10px; color: white; display: flex; align-items: center; justify-content: center; padding: 8px; }
.logo-icon.inverted { background: white; color: var(--primary); }
.logo-text { font-size: 1.25rem; font-weight: 500; color: var(--primary); }
.logo-text.white { color: white; }
.logo-text strong { color: var(--accent); font-weight: 800; }

.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-link { text-decoration: none; color: var(--text-dark); font-weight: 600; font-size: 0.95rem; }

/* Hero Section */
.hero {
    padding: 160px 0 100px;
    background: radial-gradient(circle at top right, #1e293b, #0f172a);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: -10%; right: -10%;
    width: 600px; height: 600px;
    background: var(--accent);
    filter: blur(150px);
    opacity: 0.15;
    z-index: 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    color: var(--accent-light);
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.pulse { width: 8px; height: 8px; background: var(--success); border-radius: 50%; display: inline-block; animation: pulse-ring 1.5s infinite; }
@keyframes pulse-ring { 0% { transform: scale(1); opacity: 1; } 100% { transform: scale(2.5); opacity: 0; } }

.hero-sub { font-size: 1.25rem; color: #94a3b8; margin-bottom: 40px; }
.hero-cta-group { display: flex; gap: 16px; margin-bottom: 60px; }

.hero-stats { display: flex; align-items: center; gap: 30px; }
.stat-item { display: flex; flex-direction: column; }
.stat-value { font-size: 1.75rem; font-weight: 800; color: white; }
.stat-label { font-size: 0.8rem; color: #64748b; font-weight: 600; text-transform: uppercase; }
.stat-sep { width: 1px; height: 40px; background: rgba(255, 255, 255, 0.1); }

/* Hero Image Wrapper */
.hero-image-wrapper { position: relative; }
.glass-card { background: rgba(255, 255, 255, 0.05); backdrop-filter: blur(10px); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 30px; padding: 20px; box-shadow: var(--shadow-xl); }
.hero-img { width: 100%; border-radius: 20px; }

.floating-card {
    position: absolute;
    background: white;
    padding: 16px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    z-index: 2;
}

.c1 { top: 10%; left: -15%; animation: float 4s ease-in-out infinite; }
.c2 { bottom: 10%; right: -10%; animation: float 4s ease-in-out infinite 2s; }

.f-icon { width: 40px; height: 40px; border-radius: 10px; display: flex; align-items: center; justify-content: center; padding: 8px; }
.f-icon.green { background: #d1fae5; color: #059669; }
.f-icon.gold { background: #fef3c7; color: #d97706; }

.floating-card strong { display: block; font-size: 0.95rem; color: var(--primary); }
.floating-card span { font-size: 0.75rem; color: var(--text-muted); }

.trust-seal {
    position: absolute;
    top: -40px;
    right: -40px;
    width: 120px;
    z-index: 3;
    animation: rotate 20s linear infinite;
}

@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-15px); } }
@keyframes rotate { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* Sections General */
section { padding: 100px 0; }
.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-sub { font-size: 1.15rem; color: var(--text-muted); }

/* Problem Cards */
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.p-card {
    padding: 40px;
    background: #f8fafc;
    border-radius: 24px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s;
}

.p-card:hover { transform: translateY(-10px); background: white; box-shadow: var(--shadow-xl); border-color: var(--accent-light); }
.p-icon { width: 60px; height: 60px; background: var(--accent); color: white; border-radius: 16px; padding: 15px; margin-bottom: 24px; }
.p-card h3 { font-size: 1.5rem; margin-bottom: 16px; }
.p-card p { color: var(--text-muted); }

/* Diseases Section */
.diseases { background: var(--primary); color: white; }
.diseases-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 80px; align-items: center; }

.check-list { list-style: none; margin: 32px 0; display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.check-list li { display: flex; align-items: center; gap: 12px; font-weight: 600; }
.check-icon { width: 22px; height: 22px; color: var(--success); }
.disease-note { color: #94a3b8; font-size: 0.9rem; border-left: 2px solid var(--accent); padding-left: 16px; }

.cta-card { background: white; border-radius: 24px; padding: 40px; color: var(--text-dark); position: relative; overflow: hidden; }
.cta-icon-bg { position: absolute; top: -20px; right: -20px; width: 100px; height: 100px; color: rgba(37, 99, 235, 0.05); }
.calc-preview { background: #f1f5f9; border-radius: 16px; padding: 24px; margin: 24px 0; }
.calc-line { display: flex; justify-content: space-between; margin-bottom: 12px; }
.calc-line:last-child { margin-bottom: 0; padding-top: 12px; border-top: 1px solid #e2e8f0; }
.calc-line strong { color: var(--accent); font-weight: 800; }

/* Lead Section */
.lead-section { background: var(--accent); padding: 100px 0; }
.lead-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.trust-points { margin-top: 40px; display: flex; flex-direction: column; gap: 20px; }
.tp-item { display: flex; align-items: center; gap: 16px; color: white; font-weight: 600; }
.tp-icon { width: 44px; height: 44px; background: rgba(255, 255, 255, 0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; padding: 10px; }

.lead-form-wrapper { background: white; border-radius: 30px; padding: 40px; box-shadow: var(--shadow-xl); }
.f-group { margin-bottom: 20px; }
.f-group label { display: block; font-size: 0.85rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.f-group input, .f-group select { width: 100%; padding: 14px 20px; border: 2px solid #e2e8f0; border-radius: 12px; font-family: inherit; font-size: 1rem; transition: all 0.3s; }
.f-group input:focus { outline: none; border-color: var(--accent); background: #f8fafc; }
.form-footer { font-size: 0.75rem; text-align: center; color: var(--text-muted); margin-top: 16px; }

/* FAQ */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 16px; margin-bottom: 16px; cursor: pointer; transition: all 0.3s; }
.faq-q { padding: 24px; font-weight: 700; display: flex; justify-content: space-between; align-items: center; }
.faq-toggle { font-size: 1.5rem; color: var(--accent); transition: transform 0.3s; }
.faq-a { padding: 0 24px; max-height: 0; overflow: hidden; transition: all 0.3s ease-out; color: var(--text-muted); }
.faq-item.open { background: white; border-color: var(--accent); box-shadow: var(--shadow-sm); }
.faq-item.open .faq-a { max-height: 200px; padding-bottom: 24px; }
.faq-item.open .faq-toggle { transform: rotate(45deg); }

/* Footer */
.footer { background: var(--primary); color: #94a3b8; padding: 80px 0 40px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 80px; margin-bottom: 60px; }
.footer-brand p { margin-top: 20px; max-width: 300px; }
.footer-contact h4 { color: white; margin-bottom: 20px; }
.white-link { color: white; text-decoration: none; font-size: 1.5rem; font-weight: 800; }
.footer-legal { grid-column: 1 / -1; border-top: 1px solid rgba(255, 255, 255, 0.05); padding-top: 30px; display: flex; justify-content: space-between; font-size: 0.8rem; }

/* Widgets */
.whatsapp-float {
    position: fixed;
    bottom: 30px; right: 30px;
    width: 65px; height: 65px;
    background: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 15px;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s;
}
.whatsapp-float:hover { transform: scale(1.1); }

.modal-overlay { position: fixed; inset: 0; background: rgba(15, 23, 42, 0.9); backdrop-filter: blur(8px); z-index: 2000; display: none; align-items: center; justify-content: center; padding: 24px; }
.modal-overlay.active { display: flex; }
.modal-content { background: white; border-radius: 32px; padding: 48px; max-width: 500px; width: 100%; text-align: center; }
.modal-success-icon { width: 80px; height: 80px; background: #d1fae5; color: #059669; font-size: 2.5rem; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; }
.modal-btns { margin-top: 32px; display: flex; flex-direction: column; gap: 12px; }
.btn-text { background: none; border: none; font-family: inherit; color: var(--text-muted); cursor: pointer; font-weight: 600; }

/* Animations */
.reveal { opacity: 0; transform: translateY(30px); transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* Mobile */
@media (max-width: 992px) {
    h1 { font-size: 2.75rem; }
    .hero-grid, .diseases-grid, .lead-grid { grid-template-columns: 1fr; gap: 60px; }
    .hero-image-wrapper { max-width: 500px; margin: 0 auto; }
    .nav-links { display: none; }
    .check-list { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .footer-legal { flex-direction: column; gap: 10px; }
}

@media (max-width: 576px) {
    .hero-cta-group { flex-direction: column; }
    .hero-stats { flex-wrap: wrap; }
    .stat-sep { display: none; }
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
