/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1629;
  --bg-2: #131c35;
  --bg-3: #1a2544;
  --fg: #f0f2f7;
  --fg-2: #a8b0c4;
  --accent: #00e5a0;
  --accent-dim: rgba(0, 229, 160, 0.15);
  --accent-glow: rgba(0, 229, 160, 0.3);
  --border: rgba(255,255,255,0.08);
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* === NAV === */
.nav { padding: 20px 0; border-bottom: 1px solid var(--border); }
.nav-inner { max-width: 1140px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.nav-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.nav-wordmark { font-family: var(--font-head); font-weight: 700; font-size: 1.25rem; color: var(--fg); letter-spacing: -0.02em; }
.nav-tag { font-size: 0.75rem; color: var(--fg-2); font-family: var(--font-body); text-transform: uppercase; letter-spacing: 0.12em; }

/* === HERO === */
.hero { padding: 80px 0 60px; }
.hero-grid { max-width: 1140px; margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }

.hero-eyebrow { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--accent); margin-bottom: 20px; font-weight: 600; }

.hero-headline { font-family: var(--font-head); font-size: clamp(2.2rem, 4vw, 3.4rem); font-weight: 800; line-height: 1.08; letter-spacing: -0.03em; margin-bottom: 24px; color: var(--fg); }

.hero-lede { font-size: 1.05rem; color: var(--fg-2); line-height: 1.7; margin-bottom: 32px; max-width: 480px; }

.hero-initial { display: inline-flex; align-items: center; gap: 10px; background: var(--accent-dim); border: 1px solid rgba(0,229,160,0.2); border-radius: 8px; padding: 8px 16px; }
.hero-initial-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--accent); }
.hero-initial-tag { font-size: 0.85rem; color: var(--fg); font-weight: 500; }

/* === NETWORK VISUAL === */
.hero-visual { position: relative; display: flex; align-items: center; justify-content: center; height: 340px; }

.network { position: relative; width: 320px; height: 280px; }

.connections { position: absolute; inset: 0; width: 100%; height: 100%; }

.node { position: absolute; background: var(--bg-2); border: 1px solid var(--border); border-radius: 12px; padding: 12px 16px; text-align: center; }

.node-corpo { top: 20px; left: 20px; border-color: rgba(0,229,160,0.3); }
.node-vc { top: 20px; right: 20px; border-color: rgba(0,229,160,0.3); }
.node-startup { width: 80px; height: 60px; display: flex; align-items: center; justify-content: center; }
.node-1 { bottom: 20px; left: 20px; border-color: rgba(0,229,160,0.2); }
.node-2 { bottom: 30px; left: 50%; transform: translateX(-50%); border-color: rgba(0,229,160,0.2); }
.node-3 { bottom: 20px; right: 20px; border-color: rgba(0,229,160,0.2); }

.node-label { font-family: var(--font-head); font-size: 0.65rem; font-weight: 600; color: var(--fg-2); line-height: 1.4; text-transform: uppercase; letter-spacing: 0.08em; }

.node-center { width: 80px; height: 80px; top: 50%; left: 50%; transform: translate(-50%, -50%); border-radius: 50%; background: var(--accent); border: none; display: flex; align-items: center; justify-content: center; box-shadow: 0 0 40px var(--accent-glow), 0 0 80px rgba(0,229,160,0.1); }

.node-center-inner { display: flex; flex-direction: column; align-items: center; gap: 2px; }
.node-center-inner span { font-family: var(--font-head); font-size: 0.6rem; font-weight: 700; color: var(--bg); letter-spacing: 0.08em; text-transform: uppercase; }

.pulse-ring { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 120px; height: 120px; border-radius: 50%; border: 1px solid var(--accent); opacity: 0; animation: pulse 3s ease-out infinite; }
.pulse-ring-2 { animation-delay: 1.5s; }

@keyframes pulse {
  0% { width: 80px; height: 80px; opacity: 0.5; }
  100% { width: 220px; height: 220px; opacity: 0; }
}

/* === HERO STATS === */
.hero-stats { max-width: 1140px; margin: 0 auto; padding: 40px 24px 0; border-top: 1px solid var(--border); display: flex; align-items: stretch; justify-content: center; gap: 0; }
.stat { display: flex; flex-direction: column; justify-content: center; align-items: center; flex: 1; padding: 0 32px; text-align: center; }
.stat-value { font-family: var(--font-head); font-size: 2rem; font-weight: 800; color: var(--accent); display: block; line-height: 1; margin-bottom: 6px; }
.stat-label { font-size: 0.8rem; color: var(--fg-2); text-transform: uppercase; letter-spacing: 0.1em; }
.stat-divider { width: 1px; background: var(--border); align-self: stretch; margin: 4px 0; }

/* === SECTION COMMON === */
.section-inner { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
.section-eyebrow { font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--accent); margin-bottom: 16px; font-weight: 600; }
.section-headline { font-family: var(--font-head); font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 700; line-height: 1.15; letter-spacing: -0.02em; color: var(--fg); max-width: 640px; }

/* === PROBLEM === */
.problem { padding: 100px 0; background: var(--bg-2); }
.problem .section-headline { margin-bottom: 60px; }
.problem-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.problem-card { background: var(--bg); border: 1px solid var(--border); border-radius: 16px; padding: 32px; }
.problem-icon { width: 40px; height: 40px; background: var(--accent-dim); border-radius: 10px; display: flex; align-items: center; justify-content: center; margin-bottom: 20px; }
.problem-card h3 { font-family: var(--font-head); font-size: 1.05rem; font-weight: 600; margin-bottom: 12px; color: var(--fg); }
.problem-card p { font-size: 0.9rem; color: var(--fg-2); line-height: 1.65; }

/* === HOW === */
.how { padding: 100px 0; }
.how .section-headline { margin-bottom: 60px; }
.pipeline { display: flex; align-items: center; gap: 0; }
.pipeline-step { flex: 1; background: var(--bg-2); border: 1px solid var(--border); border-radius: 16px; padding: 32px; }
.step-num { font-family: var(--font-head); font-size: 0.75rem; font-weight: 700; color: var(--accent); letter-spacing: 0.1em; margin-bottom: 16px; }
.step-content h3 { font-family: var(--font-head); font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; color: var(--fg); }
.step-content p { font-size: 0.88rem; color: var(--fg-2); line-height: 1.65; }
.pipeline-arrow { flex-shrink: 0; padding: 0 16px; color: var(--fg-2); }

/* === VERTICALS === */
.verticals { padding: 100px 0; background: var(--bg-2); }
.verticals .section-headline { margin-bottom: 48px; }
.vertical-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 60px; }
.vertical-card { background: var(--bg); border: 1px solid var(--border); border-radius: 20px; padding: 40px; }
.vertical-type { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--accent); font-weight: 600; margin-bottom: 16px; }
.vertical-card h3 { font-family: var(--font-head); font-size: 1.3rem; font-weight: 700; margin-bottom: 16px; color: var(--fg); }
.vertical-card > p { font-size: 0.9rem; color: var(--fg-2); line-height: 1.65; margin-bottom: 24px; }
.vertical-tags { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.vertical-tags li { font-size: 0.85rem; color: var(--fg-2); padding-left: 20px; position: relative; }
.vertical-tags li::before { content: ''; position: absolute; left: 0; top: 8px; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); }

.pricing-note { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.pricing-block { background: var(--bg); border: 1px solid rgba(0,229,160,0.2); border-radius: 16px; padding: 32px; text-align: center; }
.pricing-price { font-family: var(--font-head); font-size: 2.5rem; font-weight: 800; color: var(--accent); }
.pricing-period { font-size: 1rem; color: var(--fg-2); margin-left: 8px; }
.pricing-desc { font-size: 0.88rem; color: var(--fg-2); line-height: 1.6; margin-top: 12px; text-align: left; }

/* === CLOSING === */
.closing { padding: 100px 0; }
.closing-inner { border-top: 1px solid var(--border); padding-top: 80px; }
.closing-text h2 { font-family: var(--font-head); font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 700; line-height: 1.2; letter-spacing: -0.02em; color: var(--fg); margin-bottom: 20px; max-width: 700px; }
.closing-text p { font-size: 1rem; color: var(--fg-2); max-width: 500px; }

/* === FOOTER === */
.footer { border-top: 1px solid var(--border); padding: 32px 0; }
.footer-inner { max-width: 1140px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; }
.footer-logo { display: flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 700; font-size: 1rem; color: var(--fg); }
.footer-sub { font-size: 0.8rem; color: var(--fg-2); }

/* === RESPONSIVE === */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 48px; }
  .hero-visual { display: none; }
  .problem-grid { grid-template-columns: 1fr; }
  .pipeline { flex-direction: column; gap: 16px; }
  .pipeline-arrow { transform: rotate(90deg); padding: 8px 0; }
  .vertical-grid { grid-template-columns: 1fr; }
  .pricing-note { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 24px; align-items: center; }
  .stat { padding: 16px 0; }
  .stat-divider { width: 60px; height: 1px; align-self: center; }
}

/* === NAV CTA === */
.nav-right { display: flex; align-items: center; gap: 20px; }
.nav-cta { background: var(--accent); color: #0f1629; font-weight: 600; font-size: 0.85rem; padding: 8px 18px; border-radius: 8px; text-decoration: none; transition: background 0.15s; }
.nav-cta:hover { background: #00ffb3; }

/* === CLOSING CTA === */
.cta-btn { display: inline-block; background: var(--accent); color: #0f1629; font-weight: 700; font-size: 1rem; padding: 14px 28px; border-radius: 10px; text-decoration: none; margin-top: 28px; transition: background 0.15s; }
.cta-btn:hover { background: #00ffb3; }

/* === SIGNUP PAGE === */
.signup-main { display: flex; align-items: center; justify-content: center; min-height: calc(100vh - 80px); padding: 40px 24px; }
.signup-card { background: var(--bg-2); border: 1px solid var(--border); border-radius: 16px; padding: 40px; max-width: 460px; width: 100%; }
.signup-header { text-align: center; margin-bottom: 32px; }
.signup-header h1 { font-family: var(--font-head); font-size: 1.6rem; font-weight: 800; color: var(--fg); letter-spacing: -0.03em; margin-bottom: 8px; }
.signup-header p { color: var(--fg-2); font-size: 0.9rem; }
.signup-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.8rem; font-weight: 600; color: var(--fg-2); text-transform: uppercase; letter-spacing: 0.08em; }
.form-group input, .form-group select { background: var(--bg-3); border: 1px solid var(--border); border-radius: 8px; color: var(--fg); font-size: 0.95rem; padding: 12px 14px; font-family: var(--font-body); outline: none; transition: border-color 0.15s; }
.form-group input:focus, .form-group select:focus { border-color: rgba(0, 229, 160, 0.4); }
.signup-btn { background: var(--accent); color: #0f1629; font-weight: 700; font-size: 0.95rem; padding: 14px; border-radius: 8px; border: none; cursor: pointer; transition: background 0.15s; margin-top: 8px; }
.signup-btn:hover { background: #00ffb3; }
.signup-btn:disabled { background: #4a5f5b; cursor: not-allowed; }
.signup-footer { text-align: center; font-size: 0.75rem; color: var(--fg-2); margin-top: 16px; }

@media (max-width: 600px) {
  .hero { padding: 60px 0 40px; }
  .hero-stats { padding: 24px 0 0; }
  .section-inner, .hero-grid, .footer-inner { padding: 0 16px; }
  .problem, .how, .verticals, .closing { padding: 60px 0; }
}