:root {
  --bg: #0b0f14;
  --bg-elevated: #10161d;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.08);
  --text: #e8edf2;
  --text-dim: #94a3b8;
  --text-faint: #64748b;
  --accent-a: #10b981;
  --accent-b: #06b6d4;
  --accent-grad: linear-gradient(135deg, var(--accent-a), var(--accent-b));
  --danger: #f87171;
  --success: #34d399;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow: 0 20px 60px -20px rgba(0, 0, 0, 0.6);
  --max-width: 1180px;
  font-size: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body.modal-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* background glow */
body::before {
  content: "";
  position: fixed;
  inset: -20% -10% auto -10%;
  height: 60vh;
  background: radial-gradient(60% 60% at 30% 20%, rgba(16, 185, 129, 0.18), transparent 60%),
    radial-gradient(50% 50% at 80% 10%, rgba(6, 182, 212, 0.14), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: rgba(11, 15, 20, 0.72);
  border-bottom: 1px solid var(--card-border);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.15rem;
  letter-spacing: -0.01em;
}

.brand-logo {
  height: 32px;
  width: auto;
  display: block;
}

nav.primary-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

nav.primary-nav a {
  color: var(--text-dim);
  font-size: 0.95rem;
  transition: color 0.15s ease;
}

nav.primary-nav a:hover {
  color: var(--text);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  width: 40px;
  height: 40px;
  color: var(--text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 12px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: var(--accent-grad);
  color: #04110c;
  box-shadow: 0 10px 30px -8px rgba(16, 185, 129, 0.55);
}

.btn-primary:hover {
  box-shadow: 0 14px 36px -6px rgba(16, 185, 129, 0.7);
}

.btn-ghost {
  background: transparent;
  border-color: var(--card-border);
  color: var(--text);
}

.btn-ghost:hover {
  border-color: rgba(255, 255, 255, 0.25);
  background: rgba(255, 255, 255, 0.04);
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 9px 16px;
  font-size: 0.85rem;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  z-index: 1;
  padding: 96px 0 80px;
}

.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent-a);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.25);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 20px;
}

.hero h1 {
  font-size: clamp(2.2rem, 4.2vw, 3.4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}

.hero h1 .grad {
  background: var(--accent-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  font-size: 1.1rem;
  color: var(--text-dim);
  max-width: 46ch;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-note {
  font-size: 0.85rem;
  color: var(--text-faint);
}

.trust-row {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  margin-top: 36px;
}

.trust-row .stat b {
  display: block;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
}

.trust-row .stat span {
  font-size: 0.8rem;
  color: var(--text-faint);
}

/* phone mock */
.hero-visual {
  position: relative;
}

.phone {
  position: relative;
  margin-left: auto;
  width: min(320px, 100%);
  border-radius: 34px;
  padding: 14px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
}

.phone-screen {
  background: var(--bg-elevated);
  border-radius: 22px;
  padding: 18px;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.phone-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--card-border);
  margin-bottom: 4px;
}

.phone-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--accent-grad);
}

.phone-header b {
  display: block;
  font-size: 0.9rem;
}

.phone-header span {
  font-size: 0.72rem;
  color: var(--success);
}

.bubble {
  max-width: 82%;
  padding: 10px 13px;
  border-radius: 14px;
  font-size: 0.82rem;
  line-height: 1.4;
}

.bubble.in {
  background: rgba(255, 255, 255, 0.06);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.bubble.out {
  background: var(--accent-grad);
  color: #04110c;
  align-self: flex-end;
  border-bottom-right-radius: 4px;
  font-weight: 500;
}

.bubble.typing {
  align-self: flex-start;
  display: flex;
  gap: 4px;
  padding: 12px 14px;
}

.bubble.typing span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-faint);
  animation: blink 1.2s infinite ease-in-out;
}

.bubble.typing span:nth-child(2) {
  animation-delay: 0.2s;
}

.bubble.typing span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes blink {
  0%, 80%, 100% { opacity: 0.25; transform: translateY(0); }
  40% { opacity: 1; transform: translateY(-2px); }
}

.phone-badge {
  position: absolute;
  right: -14px;
  top: 30px;
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 0.78rem;
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 8px;
}

.phone-badge b {
  color: var(--success);
}

/* ---------- Sections ---------- */
section {
  position: relative;
  z-index: 1;
  padding: 88px 0;
}

.section-head {
  max-width: 640px;
  margin: 0 auto 52px;
  text-align: center;
}

.section-head .eyebrow {
  margin-bottom: 14px;
}

.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  letter-spacing: -0.02em;
  margin: 0 0 14px;
}

.section-head p {
  color: var(--text-dim);
  margin: 0;
}

/* how it works */
.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  counter-reset: step;
}

.step {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
}

.step-num {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--accent-grad);
  color: #04110c;
  font-weight: 700;
  display: grid;
  place-items: center;
  margin-bottom: 18px;
}

.step h3 {
  margin: 0 0 8px;
  font-size: 1.05rem;
}

.step p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.92rem;
}

/* features */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(16, 185, 129, 0.35);
  transform: translateY(-3px);
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(16, 185, 129, 0.12);
  border: 1px solid rgba(16, 185, 129, 0.25);
  display: grid;
  place-items: center;
  color: var(--accent-a);
  margin-bottom: 16px;
}

.feature-card h3 {
  margin: 0 0 8px;
  font-size: 1.02rem;
}

.feature-card p {
  margin: 0;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* pricing */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

.plan-card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  position: relative;
}

.plan-card.featured {
  border-color: rgba(16, 185, 129, 0.5);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.08), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
}

.plan-badge {
  position: absolute;
  top: -13px;
  left: 26px;
  background: var(--accent-grad);
  color: #04110c;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
}

.plan-name {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.plan-tagline {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-bottom: 22px;
}

.plan-price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 4px;
}

.plan-price .amount {
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.plan-price .cycle {
  color: var(--text-faint);
  font-size: 0.85rem;
}

.plan-note {
  color: var(--text-faint);
  font-size: 0.78rem;
  margin-bottom: 24px;
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  display: flex;
  flex-direction: column;
  gap: 11px;
  flex: 1;
}

.plan-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text);
}

.plan-features svg {
  flex-shrink: 0;
  color: var(--accent-a);
  margin-top: 2px;
}

.pricing-foot-note {
  text-align: center;
  color: var(--text-faint);
  font-size: 0.82rem;
  margin-top: 28px;
}

/* faq */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 18px 22px;
  font-weight: 600;
  font-size: 0.95rem;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary .chev {
  transition: transform 0.2s ease;
  color: var(--text-faint);
  flex-shrink: 0;
}

.faq-item[open] summary .chev {
  transform: rotate(180deg);
}

.faq-item p {
  margin: 0;
  padding: 0 22px 20px;
  color: var(--text-dim);
  font-size: 0.9rem;
}

/* final CTA */
.cta-band {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.14), rgba(6, 182, 212, 0.1));
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-lg);
  padding: 56px 40px;
  text-align: center;
  margin: 0 24px;
  max-width: calc(var(--max-width) - 48px);
  margin-inline: auto;
}

.cta-band h2 {
  margin: 0 0 12px;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.02em;
}

.cta-band p {
  color: var(--text-dim);
  margin: 0 0 28px;
}

/* footer */
footer.site-footer {
  padding: 48px 0 32px;
  border-top: 1px solid var(--card-border);
  margin-top: 40px;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 28px;
}

.footer-links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-dim);
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: var(--text);
}

.footer-bottom {
  color: var(--text-faint);
  font-size: 0.78rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(4, 8, 12, 0.72);
  backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 100;
}

.modal-overlay.open {
  display: flex;
}

.modal {
  background: var(--bg-elevated);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 440px;
  padding: 30px;
  box-shadow: var(--shadow);
  max-height: 90vh;
  overflow-y: auto;
}

.modal-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 6px;
}

.modal-head h3 {
  margin: 0;
  font-size: 1.2rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-faint);
  cursor: pointer;
  padding: 4px;
  line-height: 0;
}

.modal-close:hover {
  color: var(--text);
}

.modal-sub {
  color: var(--text-dim);
  font-size: 0.88rem;
  margin: 0 0 24px;
}

.field {
  margin-bottom: 16px;
}

.field label {
  display: block;
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-bottom: 6px;
}

.field input,
.field select {
  width: 100%;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 11px 13px;
  color: var(--text);
  font-size: 0.92rem;
  font-family: inherit;
}

.field input:focus,
.field select:focus {
  outline: none;
  border-color: var(--accent-a);
}

.form-status {
  font-size: 0.85rem;
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  display: none;
}

.form-status.show {
  display: block;
}

.form-status.ok {
  background: rgba(52, 211, 153, 0.12);
  color: var(--success);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.form-status.err {
  background: rgba(248, 113, 113, 0.12);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.form-fine-print {
  font-size: 0.74rem;
  color: var(--text-faint);
  margin-top: 16px;
  text-align: center;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .hero .wrap {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    order: -1;
  }

  .phone {
    margin-inline: auto;
  }

  .steps,
  .features-grid,
  .pricing-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  nav.primary-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--card-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px 24px 28px;
    gap: 18px;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.18s ease, opacity 0.18s ease;
  }

  nav.primary-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .header-actions .btn-ghost {
    display: none;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .cta-band {
    padding: 40px 22px;
  }
}