/* Base */
:root {
  --bg: #0b1120;
  --bg-2: #0f1929;
  --fg: #f0f4f8;
  --fg-muted: #8896a8;
  --accent: #00d4aa;
  --accent-dim: rgba(0, 212, 170, 0.12);
  --border: rgba(240, 244, 248, 0.08);
  --card: #111e30;
  --font-head: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
}

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

html { font-size: 16px; }

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

/* Nav */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(12px);
  background: rgba(11, 17, 32, 0.8);
}
.nav-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 16px;
}
.nav-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.25rem;
  color: var(--accent);
  letter-spacing: -0.02em;
}
.nav-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 120px 40px 80px;
  position: relative;
  overflow: hidden;
}

.hero-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 170, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 170, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

.hero-content {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-left {}

.hero-eyebrow {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 24px;
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(3rem, 6vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 28px;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 440px;
  margin-bottom: 36px;
  line-height: 1.7;
}

.hero-services {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.hero-services span {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg-muted);
  padding: 4px 12px;
  border: 1px solid var(--border);
  border-radius: 100px;
}
.dot {
  width: 4px;
  height: 4px;
  background: var(--fg-muted);
  border-radius: 50%;
  opacity: 0.4;
  flex-shrink: 0;
}

/* Hero Viz */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-viz {
  position: relative;
  width: 320px;
  height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.viz-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 212, 170, 0.2);
}
.viz-ring-1 { width: 320px; height: 320px; animation: pulse-ring 3s ease-in-out infinite; }
.viz-ring-2 { width: 220px; height: 220px; animation: pulse-ring 3s ease-in-out infinite 0.4s; }
.viz-ring-3 { width: 120px; height: 120px; animation: pulse-ring 3s ease-in-out infinite 0.8s; }

@keyframes pulse-ring {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.03); }
}

.viz-center {
  position: absolute;
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--bg);
  z-index: 2;
}

.viz-node {
  position: absolute;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--fg);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 6px 12px;
  border-radius: 8px;
  white-space: nowrap;
}
.viz-node-1 { top: 10px; left: 50%; transform: translateX(-50%); }
.viz-node-2 { top: 50%; right: -10px; transform: translateY(-50%); }
.viz-node-3 { bottom: 10px; left: 50%; transform: translateX(-50%); }
.viz-node-4 { top: 50%; left: -10px; transform: translateY(-50%); }

/* Hero Stats */
.hero-bottom {
  max-width: 1200px;
  margin: 80px auto 0;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  z-index: 2;
}

.hero-stat {
  background: var(--card);
  padding: 28px 32px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.stat-num {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: 0.82rem;
  color: var(--fg-muted);
  line-height: 1.5;
}

/* Shared Section */
.section-header {
  text-align: center;
  margin-bottom: 56px;
}

.section-eyebrow {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  max-width: 700px;
  margin: 0 auto;
}

/* How It Works */
.how-it-works {
  padding: 120px 40px;
  background: var(--bg-2);
}

.steps {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: start;
  gap: 24px;
}

.step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
}

.step-num {
  font-family: var(--font-head);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 16px;
}

.step-content h3 {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.step-content p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

.step-arrow {
  display: flex;
  align-items: center;
  padding-top: 80px;
  color: var(--accent);
  opacity: 0.6;
}

/* Services */
.services {
  padding: 120px 40px;
}

.services-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}
.service-card:hover {
  border-color: rgba(0, 212, 170, 0.3);
  transform: translateY(-2px);
}

.service-icon {
  width: 44px;
  height: 44px;
  background: var(--accent-dim);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
}

.service-card h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 12px;
}

.service-card p {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* Pricing Proof */
.pricing-proof {
  padding: 120px 40px;
  background: var(--bg-2);
}

.proof-grid {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.proof-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 36px 32px;
}

.proof-card-highlight {
  border-color: rgba(0, 212, 170, 0.3);
  background: linear-gradient(135deg, var(--card), rgba(0, 212, 170, 0.05));
}

.proof-model {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.proof-range {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.proof-note {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

.proof-footnote {
  max-width: 640px;
  margin: 48px auto 0;
  text-align: center;
  padding: 24px 32px;
  border: 1px solid var(--border);
  border-radius: 12px;
}

.proof-footnote p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  font-style: italic;
}

/* Philosophy */
.philosophy {
  padding: 120px 40px;
}

.philosophy-inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.philosophy-headline {
  font-family: var(--font-head);
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 40px;
}

.philosophy-body {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.philosophy-body p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.8;
}

/* Closing */
.closing {
  padding: 120px 40px;
  background: linear-gradient(180deg, var(--bg-2) 0%, var(--bg) 100%);
  text-align: center;
}

.closing h2 {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  max-width: 800px;
  margin: 0 auto 40px;
}

.closing p {
  font-size: 1rem;
  color: var(--fg-muted);
  max-width: 600px;
  margin: 0 auto 20px;
  line-height: 1.75;
}

/* Contact Form */
.contact-form-wrap {
  max-width: 600px;
  margin: 60px auto 0;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--fg);
  letter-spacing: 0.02em;
}

.form-group .optional {
  color: var(--fg-muted);
  font-weight: 400;
}

.form-group input,
.form-group select {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238896a8' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-group select option {
  background: var(--bg-2);
  color: var(--fg);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--accent);
}

.form-group input::placeholder {
  color: var(--fg-muted);
  opacity: 0.6;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 14px 28px;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.15s;
  letter-spacing: 0.01em;
}

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

.form-success {
  padding: 16px 20px;
  background: rgba(0, 212, 170, 0.1);
  border: 1px solid rgba(0, 212, 170, 0.3);
  border-radius: 12px;
  color: var(--accent);
  font-size: 0.9rem;
  text-align: center;
}

.form-error {
  padding: 14px 18px;
  background: rgba(255, 80, 80, 0.1);
  border: 1px solid rgba(255, 80, 80, 0.25);
  border-radius: 12px;
  color: #ff7070;
  font-size: 0.85rem;
  text-align: center;
}

@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 20px; }
}

/* Footer */
.footer {
  padding: 48px 40px;
  border-top: 1px solid var(--border);
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.footer-logo {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--accent);
}

.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

.footer-note {
  font-size: 0.82rem;
  color: var(--fg-muted);
  max-width: 400px;
  text-align: right;
}

/* Responsive */
@media (max-width: 900px) {
  .hero-content { grid-template-columns: 1fr; gap: 60px; }
  .hero-right { display: none; }
  .hero-bottom { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .step-arrow { display: none; }
  .services-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-note { text-align: left; }
}

@media (max-width: 600px) {
  .hero { padding: 100px 24px 60px; }
  .how-it-works, .services, .pricing-proof, .philosophy, .closing { padding: 80px 24px; }
  .nav { padding: 16px 24px; }
  .hero-bottom { margin-top: 48px; }
  .hero-stat { padding: 20px 24px; }
}