/* ═══════ VARIABLES & RESET ═══════ */
:root {
    --vita-dark: #0b0f14;
    --vita-card: rgba(255,255,255,0.04);
    --vita-border: rgba(255,255,255,0.08);
    --vita-green: #4ade80;
    --vita-purple: #a78bfa;
    --vita-blue: #38bdf8;
    --vita-orange: #fb923c;
    --vita-teal: #2dd4bf;
    --primary: #00ff88;
    --text: #f1f5f9;
    --text-dim: #94a3b8;
    --font: 'Inter', -apple-system, sans-serif;
    --radius: 16px;
    --glow-green: 0 0 40px rgba(74,222,128,0.15);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: var(--font); background: var(--vita-dark); color: var(--text); line-height: 1.6; overflow-x: hidden; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; }
.text-center { text-align: center; }
.mx-auto { max-width: 640px; margin-left: auto; margin-right: auto; }

/* ═══════ SCROLL PROGRESS ═══════ */
#scroll-progress { position: fixed; top: 0; left: 0; height: 3px; background: linear-gradient(90deg, var(--vita-green), var(--vita-blue)); z-index: 9999; width: 0; transition: width .1s; }

/* ═══════ NAVBAR ═══════ */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 0 24px; backdrop-filter: blur(20px); background: rgba(11,15,20,0.8); border-bottom: 1px solid var(--vita-border); transition: transform .3s; }
.nav-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; height: 64px; }
.nav-logo img { height: 32px; }
.nav-links { display: flex; gap: 28px; }
.nav-links a { color: var(--text-dim); font-size: .9rem; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: var(--text); }
.lang-toggle { display: flex; gap: 4px; background: rgba(255,255,255,0.06); border-radius: 8px; padding: 4px; }
.lang-option { padding: 4px 10px; border-radius: 6px; font-size: .8rem; font-weight: 600; color: var(--text-dim); cursor: pointer; transition: all .2s; }
.lang-option.active { background: var(--primary); color: #000; }

/* ═══════ BUTTONS ═══════ */
.btn-cta { display: inline-flex; align-items: center; justify-content: center; padding: 10px 24px; background: var(--primary); color: #000; font-weight: 700; font-size: .9rem; border-radius: 12px; transition: all .3s; border: none; cursor: pointer; }
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,255,136,0.3); }
.btn-cta-large { padding: 16px 36px; font-size: 1.05rem; border-radius: 14px; }
.btn-outline { display: inline-flex; align-items: center; padding: 10px 24px; border: 1px solid rgba(255,255,255,0.2); color: var(--text); font-weight: 600; font-size: .9rem; border-radius: 12px; transition: all .3s; background: transparent; }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-plus { border-color: var(--vita-teal); color: var(--vita-teal); }
.btn-plus:hover { background: rgba(45,212,191,0.1); }

/* ═══════ HERO ═══════ */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; padding: 120px 24px 80px; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-blob { position: absolute; border-radius: 50%; filter: blur(120px); opacity: .4; }
.hero-blob-1 { width: 600px; height: 600px; background: radial-gradient(circle, rgba(74,222,128,0.3), transparent); top: -200px; left: -100px; }
.hero-blob-2 { width: 500px; height: 500px; background: radial-gradient(circle, rgba(167,139,250,0.25), transparent); bottom: -150px; right: -100px; }
.hero-blob-3 { width: 400px; height: 400px; background: radial-gradient(circle, rgba(56,189,248,0.2), transparent); top: 50%; left: 50%; transform: translate(-50%,-50%); }
.hero-inner { position: relative; z-index: 1; max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(0,255,136,0.08); border: 1px solid rgba(0,255,136,0.2); padding: 6px 16px; border-radius: 100px; font-size: .85rem; color: var(--primary); margin-bottom: 20px; }
.pulse { width: 8px; height: 8px; background: var(--primary); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { box-shadow: 0 0 0 0 rgba(0,255,136,0.4); } 50% { box-shadow: 0 0 0 8px rgba(0,255,136,0); } }
.hero h1 { font-size: clamp(2rem,4.5vw,3.2rem); font-weight: 800; line-height: 1.15; margin-bottom: 20px; }
.gradient-text { background: linear-gradient(135deg, var(--vita-green), var(--vita-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.subtitle { font-size: 1.1rem; color: var(--text-dim); max-width: 520px; margin-bottom: 28px; line-height: 1.7; }
.hero-microcopy { font-size: .82rem; color: var(--text-dim); margin-top: 12px; }
.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 32px; margin-top: 32px; }
.stat-item { display: flex; flex-direction: column; }
.stat-number { font-size: 1.6rem; font-weight: 800; }
.stat-label { font-size: .8rem; color: var(--text-dim); }

/* Phone mockup */
.hero-phone { position: relative; display: flex; justify-content: center; }
.phone-mockup { width: 280px; height: 560px; background: #111; border-radius: 36px; border: 3px solid rgba(255,255,255,0.12); overflow: hidden; box-shadow: var(--glow-green); }
.phone-screen { width: 100%; height: 100%; overflow: hidden; }
.phone-video { width: 100%; height: 100%; object-fit: cover; }

/* ═══════ SECTIONS COMMON ═══════ */
.section-inner { max-width: 1100px; margin: 0 auto; padding: 100px 24px; }
.section-label { font-size: .85rem; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 12px; }
.section-title { font-size: clamp(1.8rem,3.5vw,2.5rem); font-weight: 800; margin-bottom: 16px; }
.section-subtitle { font-size: 1.05rem; color: var(--text-dim); line-height: 1.7; max-width: 640px; }

/* ═══════ PROBLEM ═══════ */
.problem-section { background: linear-gradient(180deg, var(--vita-dark), #0d1117); }
.problem-section .section-inner { padding: 60px 24px; }
.problem-title { font-size: clamp(1.5rem,3vw,2.2rem); font-weight: 800; margin-bottom: 20px; }
.problem-desc { font-size: 1.05rem; color: var(--text-dim); max-width: 700px; margin: 0 auto; line-height: 1.8; }

/* ═══════ HOW IT WORKS ═══════ */
.how-section { background: linear-gradient(180deg, #0d1117, var(--vita-dark)); }
.steps-timeline { margin-top: 60px; position: relative; }
.steps-timeline::before { content: ''; position: absolute; left: 32px; top: 0; bottom: 0; width: 2px; background: linear-gradient(180deg, var(--vita-green), var(--vita-blue), var(--vita-purple)); opacity: .3; }
.step-item { position: relative; padding-left: 80px; margin-bottom: 48px; }
.step-number { position: absolute; left: 12px; top: 0; width: 42px; height: 42px; border-radius: 50%; background: linear-gradient(135deg, var(--vita-green), var(--vita-blue)); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; color: #000; z-index: 1; }
.step-content { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: center; background: var(--vita-card); border: 1px solid var(--vita-border); border-radius: var(--radius); padding: 32px; }
.step-item.reverse .step-content { direction: rtl; }
.step-item.reverse .step-content > * { direction: ltr; }
.step-text h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.step-text p { color: var(--text-dim); font-size: .95rem; }
.step-placeholder { width: 100%; aspect-ratio: 9/16; max-height: 280px; background: rgba(255,255,255,0.03); border: 2px dashed rgba(255,255,255,0.1); border-radius: 12px; display: flex; flex-direction: column; align-items: center; justify-content: center; font-size: 2rem; color: var(--text-dim); }
.step-placeholder small { font-size: .7rem; margin-top: 8px; color: var(--text-dim); opacity: .6; }

/* Example flow */
.example-flow { margin-top: 48px; background: rgba(74,222,128,0.04); border: 1px solid rgba(74,222,128,0.15); border-radius: var(--radius); padding: 32px; }
.example-flow h4 { color: var(--vita-green); font-size: .9rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
.flow-steps { display: flex; flex-direction: column; gap: 12px; }
.flow-step { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: rgba(255,255,255,0.03); border-radius: 10px; font-size: .95rem; color: var(--text-dim); transition: all .3s; }
.flow-step .flow-num { min-width: 28px; height: 28px; border-radius: 50%; background: rgba(74,222,128,0.15); color: var(--vita-green); display: flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 700; }
.flow-step.active { background: rgba(74,222,128,0.08); color: var(--text); border-left: 3px solid var(--vita-green); }

/* ═══════ SCANNER ═══════ */
.scanner-section { background: linear-gradient(180deg, var(--vita-dark), #080c10); }
.scanner-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.scanner-benefits { margin-top: 24px; display: flex; flex-direction: column; gap: 10px; }
.scanner-benefits li { display: flex; align-items: center; gap: 10px; color: var(--text-dim); font-size: .95rem; }
.check { color: var(--vita-green); font-weight: 700; }
.time-comparison { display: flex; align-items: center; gap: 20px; margin: 28px 0; }
.time-old, .time-new { padding: 16px 24px; border-radius: 12px; text-align: center; }
.time-old { background: rgba(239,68,68,0.1); border: 1px solid rgba(239,68,68,0.2); }
.time-new { background: rgba(74,222,128,0.1); border: 1px solid rgba(74,222,128,0.2); }
.time-old .val { color: #ef4444; font-size: 1.5rem; font-weight: 800; }
.time-new .val { color: var(--vita-green); font-size: 1.5rem; font-weight: 800; }
.time-label { font-size: .75rem; color: var(--text-dim); margin-top: 4px; }
.time-arrow { font-size: 1.5rem; color: var(--text-dim); }

/* ═══════ BENEFITS ═══════ */
.benefits-section { background: linear-gradient(180deg, #080c10, var(--vita-dark)); }
.benefits-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 48px; }
.benefit-card { background: var(--vita-card); border: 1px solid var(--vita-border); border-radius: var(--radius); padding: 32px; text-align: left; transition: all .3s; }
.benefit-card:hover { transform: translateY(-4px); border-color: rgba(255,255,255,0.15); }
.benefit-card.green:hover { box-shadow: 0 8px 40px rgba(74,222,128,0.08); }
.benefit-card.purple:hover { box-shadow: 0 8px 40px rgba(167,139,250,0.08); }
.benefit-card.blue:hover { box-shadow: 0 8px 40px rgba(56,189,248,0.08); }
.benefit-card.orange:hover { box-shadow: 0 8px 40px rgba(251,146,60,0.08); }
.benefit-icon { font-size: 2rem; margin-bottom: 16px; }
.benefit-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.benefit-desc { color: var(--text-dim); font-size: .9rem; margin-bottom: 16px; }
.benefit-card ul { display: flex; flex-direction: column; gap: 8px; }
.benefit-card li { display: flex; align-items: flex-start; gap: 8px; color: var(--text-dim); font-size: .88rem; }

/* ═══════ 40+ ═══════ */
.section-40plus { background: linear-gradient(180deg, var(--vita-dark), #0a100e); }
.forty-hero { text-align: center; margin-bottom: 48px; }
.features-40-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.feature-40-card { display: flex; gap: 16px; padding: 24px; background: var(--vita-card); border: 1px solid var(--vita-border); border-radius: var(--radius); transition: all .3s; }
.feature-40-card:hover { border-color: rgba(45,212,191,0.3); }
.f-icon { font-size: 1.8rem; }
.feature-40-card h4 { font-size: 1rem; font-weight: 700; color: var(--vita-teal); margin-bottom: 4px; }
.feature-40-card p { color: var(--text-dim); font-size: .88rem; }

/* ═══════ PRICING ═══════ */
.pricing-section { background: linear-gradient(180deg, #0a100e, var(--vita-dark)); }
.pricing-toggle { display: flex; align-items: center; justify-content: center; gap: 12px; margin: 32px 0; }
.toggle-label { font-size: .9rem; color: var(--text-dim); font-weight: 500; }
.toggle-switch { position: relative; display: inline-block; width: 52px; height: 28px; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider { position: absolute; cursor: pointer; inset: 0; background: rgba(255,255,255,0.1); border-radius: 28px; transition: .3s; }
.toggle-slider::before { content: ''; position: absolute; height: 22px; width: 22px; left: 3px; bottom: 3px; background: var(--primary); border-radius: 50%; transition: .3s; }
.toggle-switch input:checked + .toggle-slider::before { transform: translateX(24px); }
.save-tag { background: rgba(74,222,128,0.12); color: var(--vita-green); font-size: .75rem; font-weight: 700; padding: 4px 10px; border-radius: 6px; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.pricing-card { position: relative; background: var(--vita-card); border: 1px solid var(--vita-border); border-radius: var(--radius); padding: 36px 28px; text-align: left; transition: all .3s; }
.pricing-card.featured { border-color: rgba(0,255,136,0.4); background: rgba(0,255,136,0.03); transform: scale(1.02); }
.pricing-card.plus { border-color: rgba(45,212,191,0.3); }
.card-badge { font-size: .75rem; font-weight: 700; letter-spacing: 1px; color: var(--text-dim); margin-bottom: 12px; }
.card-badge.featured { color: var(--primary); }
.card-badge.plus { color: var(--vita-teal); }
.card-price { margin-bottom: 12px; }
.price-value { font-size: 2rem; font-weight: 800; }
.price-per { font-size: .9rem; color: var(--text-dim); }
.pricing-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.card-sub { color: var(--text-dim); font-size: .88rem; margin-bottom: 20px; }
.pricing-card ul { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.pricing-card li { display: flex; align-items: flex-start; gap: 8px; font-size: .88rem; color: var(--text-dim); }
.plus-check { color: var(--vita-teal); font-weight: 700; }
.ribbon { position: absolute; top: 16px; right: 16px; background: var(--primary); color: #000; font-size: .7rem; font-weight: 700; padding: 4px 12px; border-radius: 6px; }
.pricing-card .btn-cta, .pricing-card .btn-outline { width: 100%; text-align: center; }

/* ═══════ ROI ═══════ */
.roi-section { background: linear-gradient(180deg, var(--vita-dark), #0b0f14); }
.roi-compact { display: grid; grid-template-columns: 1.3fr 1fr; gap: 32px; margin-top: 40px; align-items: start; }
.roi-sliders { background: var(--vita-card); border: 1px solid var(--vita-border); border-radius: var(--radius); padding: 32px; }
.roi-sliders h3 { font-size: 1rem; font-weight: 700; margin-bottom: 24px; color: var(--text-dim); }
.slider-group { margin-bottom: 20px; }
.slider-group label { display: flex; justify-content: space-between; align-items: center; font-size: .88rem; margin-bottom: 8px; }
.hint-inline { color: var(--text-dim); font-size: .75rem; }
.slider-qty { color: var(--vita-green); font-size: .78rem; font-weight: 500; }
.hint { color: var(--text-dim); font-size: .72rem; margin-top: 4px; }
.cost { color: #ef4444; font-weight: 700; }
.slider-group input[type="range"] { width: 100%; height: 4px; -webkit-appearance: none; background: rgba(255,255,255,0.1); border-radius: 2px; outline: none; }
.slider-group input[type="range"]::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 16px; background: var(--primary); border-radius: 50%; cursor: pointer; }
.roi-total { border-top: 1px solid var(--vita-border); padding-top: 16px; margin-top: 16px; }
.roi-total .label { color: var(--text-dim); font-size: .85rem; }
.roi-total .value { font-size: 1.8rem; font-weight: 800; color: #ef4444; }
.roi-vs { background: rgba(0,255,136,0.04); border: 1px solid rgba(0,255,136,0.2); border-radius: var(--radius); padding: 32px; text-align: center; display: flex; flex-direction: column; align-items: center; gap: 12px; }
.vs-badge { font-size: .85rem; color: var(--text-dim); }
.vs-price { font-size: 2rem; font-weight: 800; color: var(--primary); }
.vs-savings-label { font-size: .85rem; color: var(--text-dim); }
.vs-savings-value { font-size: 1.6rem; font-weight: 800; color: var(--vita-green); }

/* ═══════ TESTIMONIALS ═══════ */
.testimonials-section { background: linear-gradient(180deg, #0b0f14, var(--vita-dark)); }
.testimonials-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; margin-top: 40px; }
.testimonial-card { background: var(--vita-card); border: 1px solid var(--vita-border); border-radius: var(--radius); padding: 28px; text-align: left; transition: all .3s; }
.testimonial-card:hover { border-color: rgba(255,255,255,0.15); }
.quote { font-size: .95rem; color: var(--text); line-height: 1.6; margin-bottom: 20px; font-style: italic; }
.author { display: flex; align-items: center; gap: 12px; }
.avatar { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1rem; color: #fff; }
.name { font-weight: 600; font-size: .9rem; }
.desc { font-size: .8rem; color: var(--text-dim); }

/* ═══════ CTA FOOTER ═══════ */
.cta-footer { background: linear-gradient(180deg, var(--vita-dark), #060810); padding: 80px 24px; }
.cta-footer h2 { font-weight: 800; }

/* ═══════ FOOTER ═══════ */
.site-footer { border-top: 1px solid var(--vita-border); padding: 24px; }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.footer-brand { display: flex; align-items: center; gap: 12px; font-size: .8rem; color: var(--text-dim); }
.footer-brand img { height: 24px; }
.footer-inner a { color: var(--text-dim); font-size: .8rem; transition: color .2s; }
.footer-inner a:hover { color: var(--text); }

/* ═══════ MOBILE STICKY CTA ═══════ */
.mobile-sticky-cta { display: none; position: fixed; bottom: 0; left: 0; right: 0; padding: 12px 24px; background: rgba(11,15,20,0.95); backdrop-filter: blur(10px); border-top: 1px solid var(--vita-border); z-index: 999; text-align: center; transform: translateY(100%); transition: transform .3s; }
.mobile-sticky-cta.visible { transform: translateY(0); }
.mobile-sticky-cta .btn-cta { width: 100%; }

/* ═══════ REVEAL ANIMATION ═══════ */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 900px) {
    .hero-inner { grid-template-columns: 1fr; text-align: center; }
    .hero-text { display: flex; flex-direction: column; align-items: center; }
    .subtitle { max-width: 100%; }
    .hero-stats { justify-content: center; }
    .hero-phone { margin-top: 40px; }
    .nav-links { display: none; }
    .scanner-grid { grid-template-columns: 1fr; }
    .scanner-visual { order: -1; }
    .benefits-grid { grid-template-columns: 1fr; }
    .features-40-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .pricing-card.featured { transform: none; }
    .roi-compact { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .step-content { grid-template-columns: 1fr; }
    .step-item.reverse .step-content { direction: ltr; }
    .steps-timeline::before { left: 20px; }
    .step-item { padding-left: 60px; }
    .step-number { left: 0; width: 38px; height: 38px; font-size: 1rem; }
    .mobile-sticky-cta { display: block; }
    .time-comparison { flex-direction: row; }
}
@media (max-width: 480px) {
    .hero h1 { font-size: 1.8rem; }
    .hero-buttons { flex-direction: column; width: 100%; }
    .hero-buttons .btn-cta, .hero-buttons .btn-outline { width: 100%; justify-content: center; }
    .phone-mockup { width: 240px; height: 480px; }
}
