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

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

:root {
  --primary: #00ACEE;
  --primary-hover: #0099D4;
  --primary-dark: #0088BB;
  --dark-navy: #0B1120;
  --red-accent: #C73C28;
  --white: #FFFFFF;
  --light-bg: #F5F7FA;
  --text-dark: #1a1a2e;
  --text-muted: #6b7280;
  --glass-bg: rgba(255, 255, 255, 0.12);
  --glass-border: rgba(255, 255, 255, 0.2);
  --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
  --radius: 16px;
  --radius-sm: 12px;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', sans-serif; color: var(--text-dark); line-height: 1.6; overflow-x: hidden; background: var(--white); }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* === NAVBAR === */
.navbar { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; padding: 1rem 2rem; display: flex; align-items: center; justify-content: space-between; transition: all .4s ease; }
.navbar.scrolled { background: rgba(11, 17, 32, 0.65); backdrop-filter: blur(20px); padding: .75rem 2rem; box-shadow: 0 4px 30px rgba(0,0,0,.15); border-bottom: 1px solid rgba(255,255,255,0.05); }
.nav-logo { display: flex; align-items: center; gap: .6rem; }
.nav-logo svg, .nav-logo img { height: 40px; width: auto; max-width: 180px; object-fit: contain; }
.nav-logo span { font-size: 1.25rem; font-weight: 700; color: var(--white); }
.nav-links { display: flex; gap: 2rem; align-items: center; }
.nav-links a { color: rgba(255,255,255,.85); font-weight: 500; font-size: .95rem; transition: color .3s; position: relative; }
.nav-links a::after { content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 2px; background: var(--primary); transition: width .3s; }
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { width: 100%; }
.nav-cta { background: var(--primary) !important; color: var(--white) !important; padding: .6rem 1.5rem; border-radius: 50px; font-weight: 600 !important; transition: all .3s !important; }
.nav-cta:hover { background: var(--primary-hover) !important; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,172,238,.4); }
.nav-cta::after { display: none !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; z-index: 1001; }
.hamburger span { width: 28px; height: 2.5px; background: var(--white); border-radius: 2px; transition: all .3s; }

/* === HERO === */
.hero { padding: 8rem 2rem 4rem; min-height: 60vh; position: relative; display: flex; align-items: center; justify-content: center; text-align: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(11,17,32,.85) 0%, rgba(0,172,238,.45) 50%, rgba(11,17,32,.85) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 800px; padding: 2rem; }
.hero-badge { display: inline-flex; align-items: center; gap: .5rem; background: rgba(0,172,238,.4); border: 1px solid rgba(0,172,238,.8); color: #fff; padding: .5rem 1.25rem; border-radius: 50px; font-size: .9rem; font-weight: 700; margin-bottom: 1.5rem; backdrop-filter: blur(10px); text-shadow: 0 1px 2px rgba(0,0,0,0.5); }
.hero-badge svg { width: 16px; height: 16px; }
.hero h1 { font-size: 3.5rem; font-weight: 800; color: var(--white); line-height: 1.15; margin-bottom: 1rem; }
.hero h1 .gradient-text { background: linear-gradient(135deg, var(--primary), #67d5ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { font-size: 1.2rem; color: rgba(255,255,255,.8); max-width: 600px; margin: 0 auto 2rem; }
.hero-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-primary { display: inline-flex; align-items: center; gap: .4rem; background: var(--primary); color: var(--white); padding: .45rem 1.35rem; border-radius: 30px; font-weight: 500; font-size: .95rem; letter-spacing: 0.5px; transition: all .3s; border: none; cursor: pointer; box-shadow: 0 4px 15px rgba(0,172,238,.2); }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,172,238,.3); }
.btn-primary svg { width: 18px; height: 18px; }
.btn-secondary { display: inline-flex; align-items: center; gap: .4rem; background: rgba(255,255,255,.05); color: var(--white); padding: .45rem 1.35rem; border-radius: 30px; font-weight: 500; font-size: .95rem; letter-spacing: 0.5px; border: 1px solid rgba(255,255,255,.15); transition: all .3s; cursor: pointer; backdrop-filter: blur(10px); }
.btn-secondary:hover { background: rgba(255,255,255,.15); transform: translateY(-2px); border-color: rgba(255,255,255,.3); }
.hero-stats { display: flex; gap: 3rem; justify-content: center; margin-top: 3rem; }
.stat-item { text-align: center; }
.stat-number { font-size: 2.5rem; font-weight: 800; color: var(--white); }
.stat-label { font-size: .85rem; color: rgba(255,255,255,.65); font-weight: 500; text-transform: uppercase; letter-spacing: 1px; }
.hero-scroll { position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%); z-index: 2; animation: bounce 2s infinite; }
.hero-scroll svg { width: 28px; height: 28px; color: rgba(255,255,255,.6); }
@keyframes bounce { 0%,100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(10px); } }

/* === SECTIONS === */
.section { padding: 6rem 2rem; }
.section-light { background: var(--light-bg); }
.section-header { text-align: center; max-width: 650px; margin: 0 auto 4rem; }
.section-header .tag { display: inline-block; background: rgba(0,172,238,.1); color: var(--primary); padding: .4rem 1rem; border-radius: 50px; font-size: .8rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 1rem; }
.section-header h2 { font-size: 2.5rem; font-weight: 800; color: var(--text-dark); margin-bottom: 1rem; line-height: 1.2; }
.section-header p { color: var(--text-muted); font-size: 1.1rem; }

/* === FEATURES === */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; max-width: 1200px; margin: 0 auto; }
.feature-card { background: var(--white); border-radius: var(--radius); padding: 2rem; transition: all .4s ease; border: 1px solid rgba(0,0,0,.06); position: relative; overflow: hidden; }
.feature-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), #67d5ff); transform: scaleX(0); transition: transform .4s; transform-origin: left; }
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--card-shadow); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon { width: 56px; height: 56px; border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; margin-bottom: 1.25rem; font-size: 1.5rem; }
.feature-icon.blue { background: rgba(0,172,238,.1); color: var(--primary); }
.feature-icon.green { background: rgba(34,197,94,.1); color: #22c55e; }
.feature-icon.purple { background: rgba(139,92,246,.1); color: #8b5cf6; }
.feature-icon.orange { background: rgba(249,115,22,.1); color: #f97316; }
.feature-icon.rose { background: rgba(244,63,94,.1); color: #f43f5e; }
.feature-icon.teal { background: rgba(20,184,166,.1); color: #14b8a6; }
.feature-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: .6rem; }
.feature-card p { color: var(--text-muted); font-size: .95rem; line-height: 1.6; }

/* === APP PREVIEW === */
.preview-container { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; gap: 4rem; }
.preview-phones { flex: 1; display: flex; justify-content: center; gap: -2rem; position: relative; min-height: 500px; }
.phone-mockup { width: 240px; border-radius: 28px; overflow: hidden; box-shadow: 0 25px 60px rgba(0,0,0,.2); border: 6px solid #1a1a2e; transition: transform .5s ease; background: #fff; }
.phone-mockup img { width: 100%; height: 100%; object-fit: cover; }
.phone-mockup:nth-child(1) { transform: rotate(-5deg) translateY(20px); z-index: 1; }
.phone-mockup:nth-child(2) { transform: scale(1.1); z-index: 3; }
.phone-mockup:nth-child(3) { transform: rotate(5deg) translateY(20px); z-index: 1; }
.phone-mockup:hover { transform: scale(1.08) rotate(0deg) translateY(-10px); z-index: 4; }
.preview-text { flex: 1; }
.preview-text h2 { font-size: 2.5rem; font-weight: 800; margin-bottom: 1rem; line-height: 1.2; }
.preview-text .gradient-text { background: linear-gradient(135deg, var(--primary), #67d5ff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.preview-text p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 2rem; }
.preview-list { list-style: none; display: flex; flex-direction: column; gap: 1rem; }
.preview-list li { display: flex; align-items: center; gap: .75rem; font-weight: 500; font-size: 1rem; }
.preview-list .check { width: 28px; height: 28px; border-radius: 50%; background: rgba(0,172,238,.1); color: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; font-size: .85rem; }

/* === HOW IT WORKS === */
.steps-container { max-width: 900px; margin: 0 auto; display: flex; gap: 2rem; position: relative; }
.steps-container::before { content: ''; position: absolute; top: 59px; left: 0; right: 0; height: 3px; background: linear-gradient(90deg, var(--primary), #67d5ff, var(--primary)); border-radius: 2px; }
.step { flex: 1; text-align: center; position: relative; padding-top: 2rem; }
.step-number { width: 54px; height: 54px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), #67d5ff); color: var(--white); display: flex; align-items: center; justify-content: center; font-size: 1.3rem; font-weight: 800; margin: 0 auto 1.5rem; position: relative; z-index: 2; box-shadow: 0 8px 25px rgba(0,172,238,.35); }
.step h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: .5rem; }
.step p { color: var(--text-muted); font-size: .95rem; }
.step-icon { font-size: 2.5rem; margin-bottom: 1rem; }

/* === DOWNLOAD CTA === */
.cta-section { background: linear-gradient(135deg, var(--dark-navy) 0%, #162447 50%, var(--dark-navy) 100%); padding: 6rem 2rem; text-align: center; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; top: -50%; left: -50%; width: 200%; height: 200%; background: radial-gradient(circle at 30% 50%, rgba(0,172,238,.12) 0%, transparent 50%); }
.cta-content { position: relative; z-index: 2; max-width: 700px; margin: 0 auto; }
.cta-content h2 { font-size: 2.5rem; font-weight: 800; color: var(--white); margin-bottom: 1rem; }
.cta-content p { color: rgba(255,255,255,.7); font-size: 1.15rem; margin-bottom: 2.5rem; }
.cta-buttons { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.btn-download { display: inline-flex; align-items: center; gap: .4rem; background: var(--primary); color: var(--white); padding: .45rem 1.5rem; border-radius: 30px; font-weight: 500; font-size: .95rem; letter-spacing: 0.5px; transition: all .3s; border: none; cursor: pointer; box-shadow: 0 4px 15px rgba(0,172,238,.2); }
.btn-download:hover { background: var(--primary-hover); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,172,238,.35); }
.btn-download svg { width: 20px; height: 20px; }
.cta-info { margin-top: 1.5rem; color: rgba(255,255,255,.45); font-size: .85rem; }

/* === FOOTER === */
.footer { background: var(--dark-navy); padding: 4rem 2rem 2rem; }
.footer-grid { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 3rem; }
.footer-brand .nav-logo { margin-bottom: 1rem; }
.footer-brand p { color: rgba(255,255,255,.5); font-size: .9rem; line-height: 1.7; max-width: 300px; }
.footer h4 { color: var(--white); font-size: 1rem; font-weight: 700; margin-bottom: 1.25rem; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: .75rem; }
.footer-links a { color: rgba(255,255,255,.5); font-size: .9rem; transition: color .3s; }
.footer-links a:hover { color: var(--primary); }
.social-links { display: flex; gap: 1rem; }
.social-links a { width: 40px; height: 40px; border-radius: 50%; background: rgba(255,255,255,.08); display: flex; align-items: center; justify-content: center; transition: all .3s; }
.social-links a:hover { background: var(--primary); transform: translateY(-3px); }
.social-links svg { width: 18px; height: 18px; fill: rgba(255,255,255,.7); }
.footer-bottom { max-width: 1100px; margin: 3rem auto 0; padding-top: 2rem; border-top: 1px solid rgba(255,255,255,.08); display: flex; justify-content: space-between; align-items: center; }
.footer-bottom p { color: rgba(255,255,255,.35); font-size: .85rem; }

/* === ANIMATIONS === */
.reveal { opacity: 0; transform: translateY(30px); transition: all .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .preview-container { flex-direction: column; text-align: center; }
  .preview-list { align-items: center; }
  .hero h1 { font-size: 2.8rem; }
}
@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; top: 0; left: 0; right: 0; bottom: 0; background: rgba(11,17,32,.98); flex-direction: column; justify-content: center; align-items: center; gap: 2rem; }
  .nav-links.active { display: flex; }
  .hamburger { display: flex; }
  .features-grid { grid-template-columns: 1fr; }
  .hero h1 { font-size: 2.2rem; }
  .hero-stats { flex-direction: column; gap: 1.5rem; }
  .section-header h2 { font-size: 2rem; }
  .phone-mockup { width: 160px; }
  .steps-container { flex-direction: column; }
  .steps-container::before { display: none; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
  .preview-text h2 { font-size: 2rem; }
  .cta-content h2 { font-size: 2rem; }
}