:root {
  --bg-deep: #070b1a;
  --bg-section: #0c1229;
  --bg-card: #111938;
  --fg: #e8ecf4;
  --fg-muted: #8892a8;
  --accent: #00d4ff;
  --accent-glow: rgba(0, 212, 255, 0.15);
  --accent-bright: #33e0ff;
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --max-width: 1140px;
}

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

body {
  background: var(--bg-deep);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.15;
}

.section-tag, .hero-tag {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-block;
  margin-bottom: 1rem;
}

/* ─── HERO ─── */
.hero {
  padding: 6rem 2rem 4rem;
  background: var(--bg-deep);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse at center, var(--accent-glow), transparent 65%);
  pointer-events: none;
}
.hero-grid {
  max-width: var(--max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  position: relative;
}
.hero-text h1 {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  margin-bottom: 1.5rem;
  color: #fff;
}
.hero-text h1 .accent {
  color: var(--accent);
}
.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.7;
}

/* Phone ring animation */
.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.phone-ring {
  position: relative;
  width: 240px;
  height: 240px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ring {
  position: absolute;
  border: 2px solid var(--accent);
  border-radius: 50%;
  animation: pulse 2.5s ease-out infinite;
}
.ring-1 {
  width: 100px;
  height: 100px;
  animation-delay: 0s;
}
.ring-2 {
  width: 160px;
  height: 160px;
  animation-delay: 0.5s;
}
.ring-3 {
  width: 220px;
  height: 220px;
  animation-delay: 1s;
}
@keyframes pulse {
  0% { opacity: 0.8; transform: scale(0.85); }
  100% { opacity: 0; transform: scale(1.2); }
}
.phone-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 2;
  box-shadow: 0 0 40px var(--accent-glow);
}
.phone-icon svg {
  width: 26px;
  height: 26px;
  color: var(--bg-deep);
}

/* ─── PROBLEM ─── */
.problem {
  padding: 5rem 2rem;
  background: var(--bg-section);
}
.problem-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  text-align: center;
}
.problem-inner h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: #fff;
  margin-bottom: 3rem;
}
.stats-row {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 2rem;
}
.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5vw, 3.2rem);
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label {
  font-size: 0.9rem;
  color: var(--fg-muted);
  max-width: 180px;
  text-align: center;
}
.stat-divider {
  width: 1px;
  background: rgba(255,255,255,0.1);
  align-self: stretch;
}
.problem-note {
  font-size: 1.05rem;
  color: var(--fg-muted);
  max-width: 640px;
  margin: 0 auto;
}

/* ─── HOW IT WORKS ─── */
.how-it-works {
  padding: 5rem 2rem;
  background: var(--bg-deep);
}
.how-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.how-inner h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: #fff;
  margin-bottom: 0.75rem;
}
.section-sub {
  color: var(--fg-muted);
  font-size: 1.05rem;
  margin-bottom: 3rem;
  max-width: 560px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}
.step {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid rgba(255,255,255,0.05);
  transition: border-color 0.25s;
}
.step:hover {
  border-color: var(--accent);
}
.step-num {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
  letter-spacing: 0.05em;
}
.step h3 {
  font-size: 1.25rem;
  color: #fff;
  margin-bottom: 0.75rem;
}
.step p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── VERTICALS ─── */
.verticals {
  padding: 5rem 2rem;
  background: var(--bg-section);
}
.verticals-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.verticals-inner h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  color: #fff;
  margin-bottom: 2.5rem;
}
.vertical-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.vertical-card {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 1.75rem;
  border: 1px solid rgba(255,255,255,0.05);
  transition: transform 0.2s, border-color 0.25s;
}
.vertical-card:hover {
  transform: translateY(-3px);
  border-color: rgba(0, 212, 255, 0.3);
}
.v-icon {
  font-size: 1.8rem;
  margin-bottom: 0.75rem;
}
.vertical-card h3 {
  font-size: 1.1rem;
  color: #fff;
  margin-bottom: 0.5rem;
}
.vertical-card p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.55;
}

/* ─── PROOF POINTS ─── */
.proof {
  padding: 4rem 2rem;
  background: var(--bg-deep);
}
.proof-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}
.proof-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2rem 1rem;
  background: var(--bg-card);
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.05);
}
.proof-metric {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.5rem;
}
.proof-desc {
  font-size: 0.85rem;
  color: var(--fg-muted);
}

/* ─── CLOSING ─── */
.closing {
  padding: 6rem 2rem;
  background: var(--bg-section);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.closing::before {
  content: '';
  position: absolute;
  bottom: -40%;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 120%;
  background: radial-gradient(ellipse at center, var(--accent-glow), transparent 60%);
  pointer-events: none;
}
.closing-inner {
  max-width: 680px;
  margin: 0 auto;
  position: relative;
}
.closing-inner h2 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: #fff;
  margin-bottom: 1.5rem;
}
.closing-text {
  font-size: 1.1rem;
  color: var(--fg-muted);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}
.closing-vision {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--accent);
  font-style: italic;
}

/* ─── FOOTER ─── */
.site-footer {
  padding: 3rem 2rem;
  background: var(--bg-deep);
  border-top: 1px solid rgba(255,255,255,0.05);
  text-align: center;
}
.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}
.footer-brand {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.5rem;
}
.footer-note {
  font-size: 0.9rem;
  color: var(--fg-muted);
  margin-bottom: 0.5rem;
}
.footer-copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.25);
}

/* ─── RESPONSIVE ─── */
@media (max-width: 768px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero-sub { margin: 0 auto; }
  .hero-visual { margin-top: 2rem; }
  .steps { grid-template-columns: 1fr; }
  .vertical-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-row { flex-direction: column; align-items: center; gap: 2rem; }
  .stat-divider { width: 60px; height: 1px; }
  .section-sub { margin-left: auto; margin-right: auto; text-align: center; }
}

@media (max-width: 480px) {
  .proof-grid { grid-template-columns: 1fr; }
  .hero { padding: 4rem 1.25rem 3rem; }
  .problem, .how-it-works, .verticals, .proof, .closing { padding: 3.5rem 1.25rem; }
}