/* styles.css */
:root {
  --bg: #050608;
  --bg-soft: #0c1016;
  --card: #10151f;
  --card-soft: #151b26;
  --border: #232b3b;
  --accent: #00c4a6;
  --accent-soft: rgba(0, 196, 166, 0.08);
  --accent-strong: #00e1bc;
  --text: #f4f7ff;
  --muted: #9ea7c4;
  --danger: #ff4b81;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.65);
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 55%, #000 100%);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

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

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

main {
  min-height: 100vh;
}

.page {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--space-4);
}

@media (min-width: 1024px) {
  .page {
    padding-inline: var(--space-8);
  }
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
  z-index: 999;
  padding: 0.75rem 1rem;
  border-radius: 999px;
  background: #fff;
  color: #000;
}

header.nav {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(22px);
  background: linear-gradient(to bottom, rgba(2, 6, 23, 0.92), rgba(2, 6, 23, 0.72));
  border-bottom: 1px solid rgba(148, 163, 184, 0.18);
}

.nav-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: radial-gradient(circle at 0 0, #22c1c3, #0f172a);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.5), 0 8px 25px rgba(15, 23, 42, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  letter-spacing: 0.06em;
  font-size: 0.85rem;
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.brand-tagline {
  font-size: 0.76rem;
  color: var(--muted);
}

nav ul {
  list-style: none;
  display: none;
  gap: var(--space-4);
  font-size: 0.95rem;
}

nav li a {
  color: var(--muted);
  position: relative;
  padding-block: 4px;
  transition: color var(--transition);
}

nav li a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 2px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  transition: width var(--transition);
}

nav li a:hover,
nav li a:focus-visible,
nav li a.active {
  color: var(--text);
}

nav li a:hover::after,
nav li a:focus-visible::after,
nav li a.active::after {
  width: 100%;
}

.nav-cta {
  display: none;
}

@media (min-width: 880px) {
  nav ul {
    display: flex;
  }

  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 0.7rem 1.15rem;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--accent), var(--accent-strong));
    color: #020617;
    font-weight: 700;
    font-size: 0.88rem;
    box-shadow: 0 12px 30px rgba(34, 211, 238, 0.45);
  }

  .nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 16px 38px rgba(34, 211, 238, 0.6);
  }
}

section {
  padding-block: var(--space-10);
}

.hero {
  padding-top: var(--space-12);
}

.hero-grid {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 960px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
  }
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 9px 4px 4px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.4);
  color: var(--muted);
  font-size: 0.74rem;
  margin-bottom: var(--space-4);
  flex-wrap: wrap;
}

.hero-label-pill {
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(34, 197, 182, 0.15);
  color: var(--accent-strong);
  font-weight: 700;
  font-size: 0.72rem;
}

.hero-title {
  font-size: clamp(2.25rem, 4vw, 3.3rem);
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin-bottom: var(--space-4);
  max-width: 14ch;
}

.hero-highlight {
  background: linear-gradient(90deg, var(--accent-strong), #38bdf8);
  -webkit-background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: 1rem;
  color: var(--muted);
  max-width: 38rem;
}

.hero-subtitle strong {
  color: var(--accent-strong);
  font-weight: 600;
}

.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-block: var(--space-4);
}

.badge {
  font-size: 0.76rem;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.45);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
}

.badge-dot.accent {
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(34, 197, 182, 0.16);
}

.badge-dot.safe {
  background: #22c55e;
  box-shadow: 0 0 0 5px rgba(22, 163, 74, 0.2);
}

.hero-cta-row,
.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
  align-items: center;
}

.btn-primary,
.btn-ghost,
.btn-link {
  border-radius: 999px;
  padding: 0.82rem 1.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #020617;
  box-shadow: var(--shadow-soft);
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 22px 50px rgba(34, 211, 238, 0.7);
}

.btn-ghost {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.55);
  color: var(--muted);
}

.btn-ghost:hover {
  background: rgba(15, 23, 42, 0.95);
  color: var(--text);
}

.btn-link {
  padding: 0;
  border: none;
  color: var(--accent-strong);
}

.hero-note,
.small-note,
.muted {
  color: var(--muted);
}

.hero-note {
  font-size: 0.84rem;
  margin-top: var(--space-4);
  max-width: 36rem;
}

.hero-note span {
  color: var(--accent-strong);
  font-weight: 600;
}

.hero-right {
  position: relative;
  display: flex;
  justify-content: center;
}

.phone-stack {
  position: relative;
  width: min(310px, 86vw);
  aspect-ratio: 9 / 19;
}

.phone-shell {
  position: absolute;
  inset: 0;
  border-radius: 34px;
  padding: 5px;
  background: radial-gradient(circle at 0 0, #22c1c3, #0b1220);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.95);
}

.phone-inner {
  position: relative;
  width: 100%;
  height: 100%;
  border-radius: 28px;
  background: radial-gradient(circle at 20% 0%, #0f172a, #020617);
  border: 1px solid rgba(148, 163, 184, 0.45);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.phone-notch {
  width: 54%;
  height: 16px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.96);
  margin: 8px auto 6px;
}

.phone-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 14px 8px;
  font-size: 0.64rem;
  color: var(--muted);
}

.phone-content {
  flex: 1;
  padding: 12px 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.phone-pill {
  align-self: flex-start;
  font-size: 0.66rem;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.9);
  border: 1px solid rgba(148, 163, 184, 0.5);
  color: var(--muted);
}

.phone-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.phone-sub {
  font-size: 0.76rem;
  color: var(--muted);
}

.phone-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 8px;
}

.phone-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.96), rgba(15, 23, 42, 0.88));
  border: 1px solid rgba(148, 163, 184, 0.3);
}

.phone-item-main {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.phone-item-title {
  font-size: 0.76rem;
  font-weight: 600;
}

.phone-item-meta {
  font-size: 0.66rem;
  color: var(--muted);
}

.coin-badge {
  font-size: 0.72rem;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(34, 197, 182, 0.14);
  border: 1px solid rgba(34, 197, 182, 0.55);
  color: var(--accent-strong);
  font-weight: 700;
}

.phone-footer {
  margin-top: auto;
  padding-top: 6px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.69rem;
  color: var(--muted);
}

.phone-cta {
  font-size: 0.72rem;
  padding: 5px 11px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #020617;
  font-weight: 700;
  box-shadow: 0 8px 18px rgba(34, 211, 238, 0.55);
}

.phone-shadow {
  position: absolute;
  inset: auto 10%;
  bottom: -26px;
  height: 36px;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(0, 0, 0, 0.6), transparent 70%);
  filter: blur(6px);
  opacity: 0.9;
}

.section-heading {
  font-size: 0.95rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: var(--space-2);
}

.section-title {
  font-size: clamp(1.45rem, 2vw, 2rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.section-lead {
  font-size: 0.98rem;
  color: var(--muted);
  max-width: 44rem;
}

.grid-2,
.grid-3,
.grid-4 {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

@media (min-width: 768px) {
  .grid-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .grid-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .grid-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.card,
.panel,
.kpi,
.testimonial,
.faq-item,
.download-step {
  background: radial-gradient(circle at top left, #111827, #020617);
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: var(--space-4);
  box-shadow: 0 16px 38px rgba(15, 23, 42, 0.8);
}

.card h3,
.panel h3,
.kpi h3,
.testimonial h3,
.download-step h3,
.faq-item h3 {
  font-size: 1rem;
  margin-bottom: 0.35rem;
}

.card p,
.panel p,
.kpi p,
.testimonial p,
.download-step p,
.faq-item p,
.card li,
.panel li {
  color: var(--muted);
  font-size: 0.92rem;
}

.eyebrow {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.45rem;
}

.list-clean {
  list-style: none;
  display: grid;
  gap: 8px;
  margin-top: var(--space-3);
}

.list-clean li::before {
  content: "•";
  color: var(--accent-strong);
  margin-right: 8px;
}

.step-grid {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.step {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: flex-start;
  background: rgba(15, 23, 42, 0.85);
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: var(--space-3);
}

.step-number {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid rgba(34, 197, 182, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--accent-strong);
  font-weight: 700;
}

.step-title {
  font-size: 0.98rem;
  margin-bottom: 0.15rem;
}

.step-text {
  font-size: 0.9rem;
  color: var(--muted);
}

.timeline {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.timeline-item {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: var(--space-4);
  background: rgba(15, 23, 42, 0.85);
  border-radius: var(--radius-md);
  border: 1px solid rgba(148, 163, 184, 0.35);
  padding: var(--space-4);
}

.timeline-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-strong);
  font-weight: 700;
}

.timeline-item h3 {
  margin-bottom: 0.25rem;
}

@media (max-width: 680px) {
  .timeline-item {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }
}

.quote-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

@media (min-width: 768px) {
  .quote-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.testimonial p:last-child {
  margin-top: 0.65rem;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 600;
}

.cta-panel {
  background: linear-gradient(135deg, rgba(0, 196, 166, 0.12), rgba(56, 189, 248, 0.08));
  border-radius: var(--radius-lg);
  border: 1px solid rgba(34, 197, 182, 0.35);
  padding: var(--space-8);
  box-shadow: var(--shadow-soft);
}

.cta-panel h2 {
  font-size: clamp(1.5rem, 2vw, 2.2rem);
  margin-bottom: 0.5rem;
}

.cta-panel p {
  color: var(--muted);
  max-width: 42rem;
}

.faq-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.faq-item h3 {
  color: var(--text);
}

.download-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

@media (min-width: 768px) {
  .download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.note-box {
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.35);
  border-left: 4px solid var(--accent-strong);
  border-radius: 14px;
  padding: var(--space-4);
  margin-top: var(--space-4);
}

.note-box p {
  color: var(--muted);
}

.footer {
  padding-block: var(--space-8);
  border-top: 1px solid rgba(15, 23, 42, 0.9);
  font-size: 0.86rem;
}

.footer-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

.footer h3 {
  margin-bottom: 0.55rem;
}

.footer a {
  color: var(--muted);
}

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

.footer ul {
  list-style: none;
  display: grid;
  gap: 8px;
}

.footer-bottom {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(148, 163, 184, 0.12);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
}

.inline-code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  background: rgba(15, 23, 42, 0.88);
  border: 1px solid rgba(148, 163, 184, 0.22);
  padding: 0.1rem 0.35rem;
  border-radius: 8px;
  font-size: 0.88em;
}