/* ============================================
   INVENTURKO — Landing Page CSS
   Brand Colors: Navy #1a1f2e, Gold #c8964a, Cyan #00d4ff
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

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

:root {
    --bg-deep: #0a0d14;
    --bg-surface: #111520;
    --bg-card: #161b2a;
    --navy: #1a1f2e;
    --gold: #fbbf24;
    --gold-light: #fcd34d;
    --cyan: #fbbf24;
    --cyan-glow: rgba(251, 191, 36, 0.3);
    --text-main: #eef1f6;
    --text-muted: #8892a4;
    --glass-border: rgba(255,255,255,0.08);
    --radius: 16px;
}

html { scroll-behavior: smooth; }

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

/* === NAVBAR === */
.nav {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    padding: 1rem 2rem;
    display: flex; align-items: center; justify-content: space-between;
    backdrop-filter: blur(20px);
    background: rgba(10, 13, 20, 0.7);
    border-bottom: 1px solid var(--glass-border);
    transition: background 0.3s;
}
.nav-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.nav-logo img { height: 40px; border-radius: 8px; }
.nav-logo span { font-weight: 700; font-size: 1.3rem; color: var(--text-main); letter-spacing: -0.5px; }
.nav-actions { display: flex; gap: 0.75rem; align-items: center; }
.btn-ghost {
    background: none; border: 1px solid var(--glass-border); color: var(--text-main);
    padding: 0.6rem 1.4rem; border-radius: 50px; font-size: 0.9rem; cursor: pointer;
    text-decoration: none; transition: all 0.3s;
}
.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.btn-cta {
    background: linear-gradient(135deg, var(--cyan), #f59e0b);
    color: #000; font-weight: 600; padding: 0.6rem 1.6rem; border-radius: 50px;
    border: none; font-size: 0.9rem; cursor: pointer; text-decoration: none;
    transition: all 0.3s; box-shadow: 0 4px 20px var(--cyan-glow);
}
.btn-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 30px var(--cyan-glow); }

/* === HERO === */
.hero {
    min-height: 100vh; display: flex; align-items: center; justify-content: center;
    padding: 8rem 2rem 4rem; position: relative;
    background: radial-gradient(ellipse at 30% 50%, rgba(251,191,36,0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(200,150,74,0.05) 0%, transparent 50%);
}
.hero::before {
    content: ''; position: absolute; top: 20%; left: 10%;
    width: 400px; height: 400px; border-radius: 50%;
    background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%);
    filter: blur(100px); pointer-events: none; animation: pulse-glow 6s ease-in-out infinite;
}
@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.1); }
}
.hero-grid {
    max-width: 1200px; width: 100%; display: grid;
    grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
    position: relative; z-index: 1;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: rgba(251,191,36,0.1); border: 1px solid rgba(251,191,36,0.2);
    padding: 0.4rem 1rem; border-radius: 50px; font-size: 0.8rem; color: var(--cyan);
    margin-bottom: 1.5rem; font-weight: 500;
}
.hero-badge::before { content: ''; width: 6px; height: 6px; background: var(--cyan); border-radius: 50%; animation: blink 2s infinite; }
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0.3; } }
.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 800;
    line-height: 1.1; letter-spacing: -1.5px; margin-bottom: 1.5rem;
}
.hero h1 .accent { color: var(--cyan); }
.hero h1 .gold { color: var(--gold); }
.hero-desc {
    font-size: 1.15rem; color: var(--text-muted); max-width: 480px;
    margin-bottom: 2rem; line-height: 1.7;
}
.hero-buttons { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-hero-primary {
    background: linear-gradient(135deg, var(--cyan), #f59e0b);
    color: #000; font-weight: 700; padding: 1rem 2.5rem; border-radius: 50px;
    border: none; font-size: 1.05rem; cursor: pointer; text-decoration: none;
    transition: all 0.3s; box-shadow: 0 4px 30px var(--cyan-glow);
}
.btn-hero-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 40px var(--cyan-glow); }
.btn-hero-secondary {
    background: rgba(255,255,255,0.05); border: 1px solid var(--glass-border);
    color: var(--text-main); font-weight: 500; padding: 1rem 2rem; border-radius: 50px;
    font-size: 1rem; cursor: pointer; text-decoration: none; transition: all 0.3s;
}
.btn-hero-secondary:hover { border-color: var(--gold); color: var(--gold); }
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-image-wrapper {
    position: relative; border-radius: 20px; overflow: hidden;
    box-shadow: 0 40px 80px rgba(0,0,0,0.5), 0 0 60px var(--cyan-glow);
    border: 1px solid rgba(251,191,36,0.15);
}
.hero-image-wrapper img { width: 100%; display: block; border-radius: 20px; }
.scan-line {
    position: absolute; left: 0; right: 0; height: 2px;
    background: var(--cyan); box-shadow: 0 0 20px var(--cyan), 0 0 60px var(--cyan-glow);
    animation: scan 4s ease-in-out infinite;
}
@keyframes scan { 0% { top: 10%; } 50% { top: 85%; } 100% { top: 10%; } }

/* === STATS BAR === */
.stats-bar {
    padding: 3rem 2rem; border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border); background: var(--bg-surface);
}
.stats-inner {
    max-width: 1000px; margin: 0 auto;
    display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center;
}
.stat-num { font-size: 2.2rem; font-weight: 800; color: var(--cyan); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.3rem; }

/* === FEATURES === */
.features { padding: 6rem 2rem; }
.features-inner { max-width: 1100px; margin: 0 auto; }
.section-tag {
    display: inline-block; font-size: 0.8rem; font-weight: 600; color: var(--gold);
    text-transform: uppercase; letter-spacing: 2px; margin-bottom: 0.75rem;
}
.section-title {
    font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 800;
    letter-spacing: -1px; margin-bottom: 1rem;
}
.section-sub { color: var(--text-muted); max-width: 600px; margin-bottom: 3rem; font-size: 1.05rem; }
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.f-card {
    background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius); padding: 2rem; transition: all 0.4s;
    position: relative; overflow: hidden;
}
.f-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px;
    background: linear-gradient(90deg, transparent, var(--cyan), transparent);
    opacity: 0; transition: opacity 0.4s;
}
.f-card:hover { border-color: rgba(251,191,36,0.2); transform: translateY(-4px); }
.f-card:hover::before { opacity: 1; }
.f-icon {
    width: 48px; height: 48px; border-radius: 12px;
    background: rgba(251,191,36,0.1); display: flex; align-items: center;
    justify-content: center; margin-bottom: 1.2rem; font-size: 1.4rem;
}
.f-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 0.5rem; }
.f-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; }

/* === SHOWCASE === */
.showcase {
    padding: 6rem 2rem; background: var(--bg-surface);
    border-top: 1px solid var(--glass-border); border-bottom: 1px solid var(--glass-border);
}
.showcase-inner {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center;
}
.showcase-img { border-radius: 20px; width: 100%; box-shadow: 0 20px 60px rgba(0,0,0,0.4); }
.showcase-text h2 { font-size: 2rem; font-weight: 800; margin-bottom: 1rem; letter-spacing: -0.5px; }
.showcase-text p { color: var(--text-muted); margin-bottom: 1.5rem; font-size: 1rem; line-height: 1.7; }
.check-list { list-style: none; }
.check-list li {
    padding: 0.5rem 0; color: var(--text-muted); font-size: 0.95rem;
    display: flex; align-items: center; gap: 0.6rem;
}
.check-list li::before { content: '✓'; color: var(--cyan); font-weight: 700; }

/* === PRICING === */
.pricing { padding: 6rem 2rem; text-align: center; }
.pricing-inner { max-width: 900px; margin: 0 auto; }
.price-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; margin-top: 3rem; }
.price-card {
    background: var(--bg-card); border: 1px solid var(--glass-border);
    border-radius: var(--radius); padding: 2.5rem 2rem; text-align: left;
    position: relative; transition: all 0.3s;
}
.price-card.featured { border-color: var(--cyan); box-shadow: 0 0 40px var(--cyan-glow); }
.price-card.featured::after {
    content: 'POPULARNO'; position: absolute; top: -12px; right: 20px;
    background: var(--cyan); color: #000; font-size: 0.7rem; font-weight: 700;
    padding: 0.3rem 0.8rem; border-radius: 50px;
}
.price-name { font-size: 1rem; font-weight: 600; color: var(--text-muted); margin-bottom: 1rem; }
.price-amount { font-size: 3rem; font-weight: 800; margin-bottom: 0.25rem; }
.price-amount span { font-size: 1rem; font-weight: 400; color: var(--text-muted); }
.price-note { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.5rem; }
.price-features { list-style: none; margin-bottom: 2rem; }
.price-features li { padding: 0.4rem 0; font-size: 0.9rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.5rem; }
.price-features li::before { content: '✓'; color: var(--cyan); font-weight: 700; font-size: 0.8rem; }
.price-btn {
    display: block; width: 100%; padding: 0.9rem; border-radius: 50px;
    text-align: center; font-weight: 600; font-size: 0.95rem;
    text-decoration: none; transition: all 0.3s; cursor: pointer;
}
.price-btn.primary { background: linear-gradient(135deg, var(--cyan), #f59e0b); color: #000; border: none; }
.price-btn.secondary { background: none; border: 1px solid var(--glass-border); color: var(--text-main); }

/* === CTA === */
.cta-section {
    padding: 6rem 2rem; text-align: center;
    background: radial-gradient(ellipse at center, rgba(251,191,36,0.08) 0%, transparent 60%);
}
.cta-section h2 { font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; letter-spacing: -1px; }
.cta-section p { color: var(--text-muted); margin-bottom: 2rem; font-size: 1.1rem; }

/* === FOOTER === */
.footer {
    padding: 2rem; text-align: center; border-top: 1px solid var(--glass-border);
    color: var(--text-muted); font-size: 0.85rem;
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-desc { margin: 0 auto 2rem; }
    .hero-buttons { justify-content: center; }
    .hero-visual { margin-top: 2rem; }
    .stats-inner { grid-template-columns: repeat(2, 1fr); }
    .feature-grid { grid-template-columns: 1fr; }
    .showcase-inner { grid-template-columns: 1fr; }
    .price-cards { grid-template-columns: 1fr; }
    .nav { padding: 0.8rem 1rem; }
    .nav-logo span { display: none; }
}