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

:root {
  --primary: #2563EB; --primary-dark: #1d4ed8; --primary-light: #eff6ff;
  --dark: #0F172A; --dark-2: #1e293b; --dark-3: #334155;
  --light: #F8FAFC; --white: #ffffff;
  --success: #10B981; --warning: #F59E0B; --danger: #EF4444;
  --gray: #64748B; --gray-light: #94a3b8; --gray-border: #e2e8f0;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 12px; --radius-lg: 20px; --radius-xl: 32px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow: 0 10px 30px rgba(0,0,0,0.07);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.12);
  --container: 1200px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--dark); background: var(--white); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
ul { list-style: none; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
p { margin: 0; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; width: 100%; }
.section { padding: 100px 0; }
.section-dark { background: var(--dark); color: var(--white); }
.section-light { background: var(--light); }
.text-center { text-align: center; }

h1, h2, h3, h4 { font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; }
.title { font-size: 40px; margin-bottom: 16px; }
.subtitle { font-size: 18px; color: var(--gray); margin-bottom: 64px; max-width: 700px; margin-left: auto; margin-right: auto; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 28px; border-radius: var(--radius); font-weight: 600; font-size: 16px; cursor: pointer; transition: var(--transition); border: none; text-align: center; font-family: var(--font); }
.btn-primary { background: var(--primary); color: var(--white); box-shadow: 0 8px 20px rgba(37,99,235,0.3); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 24px rgba(37,99,235,0.4); }
.btn-outline { background: transparent; color: var(--primary); border: 2px solid var(--primary); }
.btn-outline:hover { background: var(--primary-light); }
.btn-white { background: var(--white); color: var(--dark); box-shadow: 0 8px 20px rgba(0,0,0,0.12); }
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 12px 24px rgba(0,0,0,0.18); }
.btn-outline-white { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.35); }
.btn-outline-white:hover { background: rgba(255,255,255,0.1); border-color: var(--white); }

.navbar { position: fixed; top: 0; left: 0; width: 100%; padding: 20px 0; z-index: 1000; transition: var(--transition); background: transparent; }
.navbar.scrolled { background: rgba(15,23,42,0.97); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); padding: 12px 0; box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.navbar .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo img { height: 52px; width: auto; }
.nav-menu { display: flex; align-items: center; gap: 32px; }
.nav-link { color: rgba(255,255,255,0.82); font-weight: 500; font-size: 15px; white-space: nowrap; }
.nav-link:hover, .nav-link.active { color: var(--white); }
.nav-actions { display: flex; align-items: center; gap: 16px; flex-shrink: 0; }
.hamburger { display: none; background: none; border: none; color: white; font-size: 24px; cursor: pointer; }

.hero { position: relative; padding: 170px 0 90px; background: linear-gradient(135deg, #0F172A 0%, #1e3a8a 50%, #1e1b4b 100%); color: var(--white); overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -200px; right: -200px; width: 700px; height: 700px; background: radial-gradient(circle, rgba(37,99,235,0.25) 0%, transparent 65%); pointer-events: none; }
.hero::after { content: ''; position: absolute; bottom: -100px; left: -100px; width: 500px; height: 500px; background: radial-gradient(circle, rgba(124,58,237,0.15) 0%, transparent 65%); pointer-events: none; }
.hero-content { text-align: center; max-width: 900px; margin: 0 auto; position: relative; z-index: 2; }
.hero-badge { display: inline-block; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); padding: 10px 22px; border-radius: 100px; font-size: 14px; font-weight: 500; backdrop-filter: blur(8px); margin-bottom: 24px; }
.hero-title { font-size: 62px; font-weight: 800; line-height: 1.08; margin-bottom: 24px; background: linear-gradient(135deg, #fff 0%, #93c5fd 60%, #c4b5fd 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: 20px; color: rgba(255,255,255,0.78); margin-bottom: 40px; max-width: 680px; margin-left: auto; margin-right: auto; font-weight: 400; line-height: 1.6; }
.hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; margin-bottom: 40px; flex-wrap: wrap; }

.mockup-wrapper { margin-top: 60px; perspective: 1200px; position: relative; z-index: 2; }
.mockup-window { border-radius: 16px; overflow: hidden; transform: rotateX(6deg) scale(0.97); transition: transform 0.5s ease; border: 1px solid rgba(255,255,255,0.12); }
.mockup-wrapper:hover .mockup-window { transform: rotateX(0) scale(1); }

.indicators { margin-top: -50px; position: relative; z-index: 10; }
.indicators-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.indicator-card { background: var(--white); border-radius: var(--radius-lg); padding: 28px 20px; box-shadow: 0 8px 30px rgba(0,0,0,0.08); text-align: center; border: 1px solid var(--gray-border); display: flex; flex-direction: column; align-items: center; gap: 10px; transition: var(--transition); }
.indicator-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.indicator-icon { width: 52px; height: 52px; background: var(--primary-light); color: var(--primary); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 26px; }
.indicator-title { font-weight: 700; font-size: 16px; color: var(--dark); }

.benefits-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 48px; }
.benefit-card { background: var(--white); border: 1px solid var(--gray-border); padding: 36px 24px; border-radius: var(--radius-lg); text-align: center; transition: var(--transition); }
.benefit-card:hover { box-shadow: var(--shadow); border-color: var(--primary); transform: translateY(-6px); }
.benefit-icon { width: 68px; height: 68px; margin: 0 auto 20px; background: var(--primary-light); border-radius: 18px; display: flex; align-items: center; justify-content: center; font-size: 34px; }
.benefit-title { font-size: 18px; margin-bottom: 12px; }
.benefit-text { color: var(--gray); font-size: 14px; line-height: 1.6; }

.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-card { background: var(--white); border: 1px solid var(--gray-border); border-radius: var(--radius-lg); padding: 32px; transition: var(--transition); }
.feature-card:hover { border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-4px); }
.feature-icon { width: 52px; height: 52px; background: var(--primary); color: var(--white); border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 26px; margin-bottom: 20px; }
.feature-title { font-size: 18px; margin-bottom: 16px; color: var(--dark); }
.feature-list li { position: relative; padding-left: 22px; margin-bottom: 10px; font-size: 14px; color: var(--gray); line-height: 1.5; }
.feature-list li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--success); font-weight: 800; font-size: 13px; }

.documents-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; margin-top: 48px; }
.doc-card { display: flex; align-items: center; gap: 20px; background: var(--white); padding: 28px 24px; border-radius: var(--radius-lg); border: 1px solid var(--gray-border); transition: var(--transition); }
.doc-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); border-color: var(--primary-light); }
.doc-icon { font-size: 36px; flex-shrink: 0; }
.doc-info h4 { font-size: 17px; margin-bottom: 6px; color: var(--dark); }
.doc-info p { color: var(--gray); font-size: 14px; line-height: 1.5; }

.included-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 48px; }
.included-col { background: rgba(255,255,255,0.06); padding: 36px 28px; border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.1); transition: var(--transition); }
.included-col:hover { background: rgba(255,255,255,0.09); }
.included-title { font-size: 18px; color: var(--white); font-weight: 700; margin-bottom: 24px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid rgba(255,255,255,0.1); padding-bottom: 16px; }
.included-list li { color: rgba(255,255,255,0.72); margin-bottom: 14px; font-size: 15px; display: flex; align-items: center; gap: 10px; }
.included-list li::before { content: ''; width: 7px; height: 7px; background: var(--primary); border-radius: 50%; flex-shrink: 0; }

.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; max-width: 1020px; margin: 48px auto 0; }
.pricing-card { background: var(--white); border-radius: var(--radius-xl); padding: 44px 36px; border: 1px solid var(--gray-border); text-align: center; position: relative; transition: var(--transition); display: flex; flex-direction: column; }
.pricing-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: rgba(37,99,235,0.3); }
.pricing-card.featured { border: 2px solid var(--primary); transform: translateY(-12px); box-shadow: 0 25px 50px rgba(37,99,235,0.15); }
.pricing-card.featured:hover { transform: translateY(-18px); }
.pricing-badge { position: absolute; top: -15px; left: 50%; transform: translateX(-50%); background: var(--primary); color: var(--white); padding: 6px 18px; border-radius: 100px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.8px; white-space: nowrap; }
.pricing-name { font-size: 22px; font-weight: 700; margin-bottom: 20px; color: var(--dark); }
.pricing-price { font-size: 52px; font-weight: 800; color: var(--dark); display: flex; justify-content: center; align-items: baseline; gap: 4px; margin-bottom: 6px; line-height: 1; }
.pricing-price > span:first-child { font-size: 18px; color: var(--gray); font-weight: 500; }
.price-val { font-size: 52px; font-weight: 800; color: var(--dark); }
.pricing-desc { color: var(--gray); font-size: 14px; margin-bottom: 24px; }
.pricing-users { display: inline-flex; align-items: center; justify-content: center; gap: 8px; background: var(--light); padding: 12px 20px; border-radius: 12px; margin-bottom: 28px; font-weight: 600; font-size: 15px; width: 100%; color: var(--dark-2); }
.pricing-features { text-align: left; margin-bottom: 36px; flex: 1; }
.pricing-features li { display: flex; gap: 12px; margin-bottom: 14px; color: var(--dark-2); font-size: 15px; align-items: flex-start; }
.pricing-features li svg { color: var(--success); flex-shrink: 0; margin-top: 2px; }
.pricing-card .btn { width: 100%; justify-content: center; margin-top: auto; }

.billing-toggle { display: inline-flex; background: #f1f5f9; border-radius: 30px; padding: 4px; margin: 28px auto; gap: 2px; }
.billing-btn { background: transparent; border: none; padding: 9px 18px; border-radius: 26px; font-weight: 600; font-size: 14px; cursor: pointer; color: var(--gray); transition: var(--transition); font-family: var(--font); white-space: nowrap; }
.billing-btn.active { background: white; color: var(--primary); box-shadow: 0 1px 4px rgba(0,0,0,0.12); }

.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; margin-top: 48px; position: relative; }
.steps-grid::before { content: ''; position: absolute; top: 26px; left: calc(16.5% + 24px); right: calc(16.5% + 24px); height: 2px; background: var(--gray-border); z-index: 0; }
.step-card { text-align: center; }
.step-number { width: 52px; height: 52px; background: var(--primary); color: var(--white); font-size: 20px; font-weight: 800; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; position: relative; z-index: 2; box-shadow: 0 0 0 10px var(--primary-light); }
.step-title { font-size: 20px; margin-bottom: 12px; color: var(--dark); }
.step-text { color: var(--gray); font-size: 15px; line-height: 1.6; }

.faq-container { max-width: 820px; margin: 48px auto 0; }
.faq-item { border: 1px solid var(--gray-border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(37,99,235,0.3); }
.faq-question { padding: 20px 24px; background: var(--white); display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; font-size: 16px; color: var(--dark); transition: var(--transition); gap: 16px; user-select: none; }
.faq-question:hover { background: var(--light); }
.faq-icon { transition: transform 0.3s ease; flex-shrink: 0; color: var(--gray); font-size: 14px; }
.faq-item.active .faq-icon { transform: rotate(180deg); color: var(--primary); }
.faq-item.active .faq-question { color: var(--primary); border-bottom: 1px solid var(--gray-border); background: var(--primary-light); }
.faq-answer { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; background: var(--white); color: var(--gray); line-height: 1.7; font-size: 15px; }
.faq-item.active .faq-answer { padding: 20px 24px 24px; max-height: 600px; }

.cta { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #1e1b4b 100%); padding: 80px 40px; color: white; text-align: center; border-radius: var(--radius-xl); margin: 0 0 80px; position: relative; overflow: hidden; }
.cta-title { font-size: 38px; margin-bottom: 16px; font-weight: 800; position: relative; z-index: 2; }
.cta-text { font-size: 18px; opacity: 0.88; margin-bottom: 36px; position: relative; z-index: 2; }
.cta .btn { position: relative; z-index: 2; }

.footer { background: var(--dark); color: var(--white); padding: 80px 0 36px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 60px; }
.footer-logo img { height: 46px; width: auto; margin-bottom: 20px; filter: brightness(0) invert(1); }
.footer-desc { color: rgba(255,255,255,0.55); margin-bottom: 24px; max-width: 300px; font-size: 15px; line-height: 1.6; }
.footer-title { font-size: 15px; font-weight: 700; margin-bottom: 20px; color: var(--white); }
.footer-links li { margin-bottom: 12px; }
.footer-links a { color: rgba(255,255,255,0.55); font-size: 15px; }
.footer-links a:hover { color: var(--white); padding-left: 4px; }
.footer-bottom { padding-top: 28px; border-top: 1px solid rgba(255,255,255,0.08); text-align: center; color: rgba(255,255,255,0.38); font-size: 14px; }

.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.8s ease, transform 0.8s ease; }
.reveal.active { opacity: 1; transform: translateY(0); }

@media (max-width: 1100px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .pricing-card.featured { transform: none; }
  .pricing-card.featured:hover { transform: translateY(-6px); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-menu, .nav-actions { display: none; }
  .hamburger { display: block; }
  .hero { padding: 130px 0 60px; }
  .hero-title { font-size: 36px; }
  .hero-subtitle { font-size: 17px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .mockup-wrapper { display: none; }
  .indicators { margin-top: 0; padding-top: 60px; }
  .indicators-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .benefits-grid, .features-grid, .documents-grid, .included-grid { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 28px; }
  .steps-grid::before { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .title { font-size: 30px; }
  .subtitle { font-size: 16px; margin-bottom: 36px; }
  .section { padding: 72px 0; }
  .cta { margin: 0 0 60px; border-radius: var(--radius); padding: 56px 24px; }
  .cta-title { font-size: 26px; }
  .billing-toggle { flex-wrap: wrap; justify-content: center; }
}

@media (max-width: 480px) {
  .indicators-grid { grid-template-columns: 1fr; }
  .hero-title { font-size: 28px; }
  .pricing-card { padding: 32px 20px; }
  .doc-card { flex-direction: column; align-items: flex-start; gap: 12px; }
}