:root {
  --bg: #000000;
  --surface: #121212;
  --surface-2: #161618;
  --input-fill: #1c1c1e;
  --divider: #262626;
  --text-primary: #f5f5f5;
  --text-secondary: #a8a8a8;
  --grad-start: #0064e0;
  --grad-mid: #7c3aed;
  --grad-end: #ff2e97;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

a {
  color: inherit;
}

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

/* ---------- Nav ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(0, 0, 0, 0.6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
  font-size: 17px;
  letter-spacing: -0.01em;
  color: var(--text-primary);
}

.nav-brand img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
  display: block;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-size: 14px;
  color: var(--text-secondary);
}

.nav-links a {
  text-decoration: none;
  transition: color 0.2s ease;
}

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

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

@media (max-width: 640px) {
  .nav-links {
    gap: 18px;
    font-size: 13px;
  }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 980px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
  white-space: nowrap;
}

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

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--grad-start),
    var(--grad-mid) 50%,
    var(--grad-end)
  );
  color: #fff;
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.35);
}

.btn-primary:hover {
  box-shadow: 0 12px 40px rgba(124, 58, 237, 0.5);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.14);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
}

.btn-row {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 120px 0 100px;
  text-align: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -20%;
  left: 50%;
  width: 900px;
  height: 900px;
  transform: translateX(-50%);
  background: radial-gradient(
    circle,
    rgba(124, 58, 237, 0.35) 0%,
    rgba(0, 100, 224, 0.18) 35%,
    transparent 70%
  );
  filter: blur(40px);
  pointer-events: none;
  z-index: 0;
}

.hero > * {
  position: relative;
  z-index: 1;
}

.hero-icon {
  width: 96px;
  height: 96px;
  border-radius: 22px;
  margin: 0 auto 32px;
  display: block;
  box-shadow: 0 20px 60px rgba(124, 58, 237, 0.45);
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

h1 {
  font-size: clamp(40px, 7vw, 84px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0 0 24px;
}

.gradient-text {
  background: linear-gradient(
    100deg,
    var(--grad-start),
    var(--grad-mid) 45%,
    var(--grad-end)
  );
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-sub {
  font-size: clamp(17px, 2.2vw, 22px);
  color: var(--text-secondary);
  max-width: 620px;
  margin: 0 auto 40px;
  font-weight: 400;
}

.hero .btn-row {
  justify-content: center;
}

/* ---------- Sections ---------- */
section {
  padding: 100px 0;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}

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

h2 {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.025em;
  margin: 0 0 16px;
  line-height: 1.1;
}

.section-head p {
  color: var(--text-secondary);
  font-size: 18px;
  margin: 0;
}

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

@media (max-width: 860px) {
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 560px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  padding: 36px 30px;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.14);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  background: linear-gradient(
    135deg,
    var(--grad-start),
    var(--grad-mid) 50%,
    var(--grad-end)
  );
}

.feature-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: -0.01em;
}

.feature-card p {
  color: var(--text-secondary);
  font-size: 15px;
  margin: 0;
  line-height: 1.6;
}

/* ---------- Showcase / mockup ---------- */
.showcase {
  display: flex;
  align-items: center;
  gap: 72px;
}

.showcase.reverse {
  flex-direction: row-reverse;
}

.showcase-copy {
  flex: 1;
  min-width: 280px;
}

.showcase-copy .eyebrow {
  margin-bottom: 14px;
}

.showcase-copy h2 {
  text-align: left;
  margin-bottom: 18px;
}

.showcase-copy p {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.7;
}

.showcase-visual {
  flex: 1;
  min-width: 280px;
  display: flex;
  justify-content: center;
}

.phone-mock {
  width: 260px;
  height: 540px;
  border-radius: 44px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.08);
  position: relative;
  padding: 16px;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6);
}

.phone-mock .screen {
  width: 100%;
  height: 100%;
  border-radius: 30px;
  background: var(--surface-2);
  overflow: hidden;
}

.phone-mock .screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

@media (max-width: 800px) {
  .showcase,
  .showcase.reverse {
    flex-direction: column;
    text-align: center;
    gap: 40px;
  }
  .showcase-copy h2 {
    text-align: center;
  }
}

/* ---------- FAQ ---------- */
.faq {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 16px;
  padding: 4px 24px;
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  font-weight: 600;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

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

.faq-item summary::after {
  content: "+";
  font-size: 22px;
  font-weight: 400;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-item p {
  color: var(--text-secondary);
  margin: 0 0 20px;
  line-height: 1.6;
}

/* ---------- CTA band ---------- */
.cta-band {
  text-align: center;
  border-radius: 32px;
  margin: 0 24px;
  padding: 80px 24px;
  background: radial-gradient(
      circle at 30% 20%,
      rgba(0, 100, 224, 0.25),
      transparent 55%
    ),
    radial-gradient(circle at 75% 80%, rgba(255, 46, 151, 0.22), transparent 55%),
    var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.cta-band h2 {
  margin-bottom: 14px;
}

.cta-band p {
  color: var(--text-secondary);
  font-size: 17px;
  margin: 0 0 36px;
}

.cta-band .btn-row {
  justify-content: center;
}

/* ---------- Footer ---------- */
footer {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-brand img {
  width: 22px;
  height: 22px;
  border-radius: 6px;
}

.footer-links {
  display: flex;
  gap: 28px;
  font-size: 14px;
  color: var(--text-secondary);
}

.footer-links a {
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-copy {
  font-size: 13px;
  color: #6b6b6b;
}

/* ---------- Legal pages ---------- */
.legal {
  padding: 140px 0 100px;
}

.legal .wrap {
  max-width: 720px;
}

.legal h1 {
  font-size: clamp(32px, 5vw, 44px);
  margin-bottom: 8px;
}

.legal .updated {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 40px;
}

.legal .intro {
  color: var(--text-secondary);
  font-size: 17px;
  line-height: 1.7;
  margin-bottom: 48px;
}

.legal-section {
  padding: 28px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.legal-section h2 {
  font-size: 19px;
  font-weight: 700;
  text-align: left;
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.legal-section p {
  color: var(--text-secondary);
  font-size: 15.5px;
  line-height: 1.75;
  white-space: pre-line;
  margin: 0;
}

.legal-section a {
  color: #6fa8ff;
  text-decoration: none;
}

.legal-section a:hover {
  text-decoration: underline;
}

/* ---------- Support page ---------- */
.support-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 56px;
}

@media (max-width: 700px) {
  .support-grid {
    grid-template-columns: 1fr;
  }
}

.support-card {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  padding: 36px;
}

.support-card h3 {
  font-size: 18px;
  margin: 0 0 10px;
}

.support-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.6;
  margin: 0 0 18px;
}

.faq-item {
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.faq-item h3 {
  font-size: 16px;
  font-weight: 600;
  margin: 0 0 8px;
}

.faq-item p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
}

/* ---------- Blog index ---------- */
.blog-header {
  padding: 140px 0 60px;
  text-align: center;
}

.blog-header h1 {
  font-size: clamp(32px, 5vw, 48px);
  margin-bottom: 12px;
}

.blog-header p {
  color: var(--text-secondary);
  font-size: 17px;
  max-width: 560px;
  margin: 0 auto;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  padding-bottom: 100px;
}

@media (max-width: 860px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

.blog-card {
  display: block;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 24px;
  padding: 32px 28px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.3s ease, border-color 0.3s ease;
}

.blog-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.14);
}

.blog-card .blog-date {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: block;
}

.blog-card h2 {
  font-size: 21px;
  text-align: left;
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.blog-card p {
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.65;
  margin: 0;
}

.blog-card .read-more {
  display: inline-block;
  margin-top: 18px;
  font-size: 14px;
  font-weight: 600;
  color: #6fa8ff;
}

/* ---------- Blog post ---------- */
.blog-post {
  padding: 140px 0 100px;
}

.blog-post .wrap {
  max-width: 720px;
}

.blog-post .blog-date {
  color: var(--text-secondary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  margin-bottom: 18px;
  display: block;
}

.blog-post h1 {
  font-size: clamp(30px, 5vw, 44px);
  margin-bottom: 32px;
  line-height: 1.15;
}

.blog-post .lede {
  color: var(--text-secondary);
  font-size: 18px;
  line-height: 1.7;
  margin-bottom: 40px;
}

.blog-post h2 {
  font-size: 24px;
  text-align: left;
  margin: 48px 0 16px;
  letter-spacing: -0.015em;
}

.blog-post p {
  color: var(--text-secondary);
  font-size: 16.5px;
  line-height: 1.75;
  margin: 0 0 20px;
}

.blog-post ul,
.blog-post ol {
  color: var(--text-secondary);
  font-size: 16.5px;
  line-height: 1.75;
  padding-left: 22px;
  margin: 0 0 20px;
}

.blog-post li {
  margin-bottom: 8px;
}

.blog-post a {
  color: #6fa8ff;
  text-decoration: none;
}

.blog-post a:hover {
  text-decoration: underline;
}

.blog-post-cta {
  margin-top: 56px;
  padding: 36px;
  border-radius: 24px;
  text-align: center;
  background: radial-gradient(
      circle at 30% 20%,
      rgba(0, 100, 224, 0.25),
      transparent 55%
    ),
    radial-gradient(circle at 75% 80%, rgba(255, 46, 151, 0.22), transparent 55%),
    var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.blog-post-cta p {
  color: var(--text-primary);
  font-size: 17px;
  font-weight: 600;
  margin: 0 0 20px;
}

.blog-back {
  display: inline-block;
  margin-bottom: 32px;
  color: var(--text-secondary);
  font-size: 14px;
  text-decoration: none;
}

.blog-back:hover {
  color: var(--text-primary);
}

/* ---------- Reveal-on-scroll ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.in {
  opacity: 1;
  transform: translateY(0);
}