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

:root {
  --color-bg: #0a0a0a;
  --color-text: #f0f0f0;
  --color-accent: #4f9cf7;
  --color-muted: #888;
  --color-surface: #141414;
  --color-border: #222;
  --color-accent-orange: #E06623;
  --max-width: 1100px;
  --header-height: 72px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ── Container ── */

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

/* ── Header ── */

header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: var(--color-text);
}

.logo-img {
  width: 36px;
  height: 36px;
}

.logo-text {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
}

nav a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: transform 0.3s, opacity 0.3s;
}

/* ── Sections ── */

section {
  padding: 5rem 0;
}

section:nth-child(even) {
  background: var(--color-surface);
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.15;
}

.section-subtitle {
  color: var(--color-muted);
  font-size: 1.15rem;
  line-height: 1.6;
  max-width: 600px;
}

/* ── Hero ── */

.hero {
  padding: 8rem 0 6rem;
  text-align: center;
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  max-width: 700px;
}

.hero .tagline {
  font-size: 1.25rem;
  color: var(--color-muted);
  line-height: 1.6;
  margin-bottom: 2.5rem;
  max-width: 560px;
}

.cta {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: var(--color-accent);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  font-size: 1.05rem;
  font-weight: 600;
  transition: opacity 0.2s;
}

.cta:hover {
  opacity: 0.85;
}

.cta-orange {
  background: var(--color-accent-orange);
}

/* ── Product section ── */

.product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.product-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.badge {
  display: inline-block;
  padding: 0.35rem 1rem;
  background: linear-gradient(135deg, #6D5BF8, #1FC7E6);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  border-radius: 999px;
  letter-spacing: 0.02em;
  width: fit-content;
}

.product-name {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
}

.product-tagline {
  font-size: 1.3rem;
  color: var(--color-accent-orange);
  font-weight: 600;
}

.product-description {
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.promise {
  border-left: 3px solid var(--color-accent-orange);
  padding: 1rem 1.5rem;
  background: rgba(224, 102, 35, 0.08);
  border-radius: 0 8px 8px 0;
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1.6;
  color: var(--color-text);
}

/* ── Phone mockup ── */

.phone-wrapper {
  display: flex;
  justify-content: center;
  position: relative;
}

.phone-glow {
  position: absolute;
  width: 70%;
  height: 60%;
  top: 20%;
  left: 15%;
  background: rgba(224, 102, 35, 0.15);
  filter: blur(60px);
  border-radius: 50%;
  pointer-events: none;
}

.phone {
  position: relative;
  width: 280px;
  aspect-ratio: 9 / 18;
  background: #F9F6F2;
  border-radius: 2rem;
  border: 1px solid #E4E1DB;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.phone-topbar {
  background: #fff;
  padding: 1rem 0.875rem 0.75rem;
  border-bottom: 1px solid #E4E1DB;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.phone-topbar-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: #1D1A18;
}

.phone-avatar {
  width: 24px;
  height: 24px;
  border-radius: 6px;
  border: 1px solid #E4E1DB;
  background: linear-gradient(135deg, #6D5BF8, #1FC7E6);
}

.phone-tabs {
  display: flex;
  margin: 0.625rem 0.875rem;
  background: #F2F0EC;
  border-radius: 8px;
  border: 1px solid #E4E1DB;
  padding: 3px;
}

.phone-tab {
  flex: 1;
  text-align: center;
  padding: 0.3rem 0;
  font-size: 0.55rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #666360;
  border-radius: 6px;
}

.phone-tab.active {
  background: #fff;
  color: #1D1A18;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
}

.phone-records {
  flex: 1;
  padding: 0.625rem 0.875rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow: hidden;
}

.phone-card {
  background: #fff;
  border-radius: 10px;
  border: 1px solid #E4E1DB;
  padding: 0.625rem;
  display: flex;
  gap: 0.5rem;
}

.phone-thumb {
  width: 40px;
  height: 40px;
  border-radius: 6px;
  flex-shrink: 0;
  background: linear-gradient(135deg, #6D5BF8, #1FC7E6);
  opacity: 0.7;
}

.phone-card-content {
  flex: 1;
  min-width: 0;
}

.phone-card-header {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.2rem;
}

.phone-ref {
  font-size: 0.55rem;
  font-weight: 700;
  color: #1D1A18;
}

.phone-status {
  font-size: 0.45rem;
  font-weight: 700;
  padding: 0.1rem 0.35rem;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.phone-status.signed {
  background: #e8f5e9;
  color: #087542;
}

.phone-status.pending {
  background: #fff3e0;
  color: #9E5200;
}

.phone-card-title {
  font-size: 0.6rem;
  font-weight: 600;
  color: #1D1A18;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.phone-card-area {
  font-size: 0.5rem;
  color: #666360;
  margin-top: 0.1rem;
}

.phone-fab {
  margin: 0.5rem 0.875rem 1rem;
  background: #1D1A18;
  border-radius: 0.75rem;
  padding: 0.6rem 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.phone-fab-icon {
  width: 24px;
  height: 24px;
  background: var(--color-accent-orange);
  border-radius: 5px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.phone-fab-icon svg {
  width: 14px;
  height: 14px;
}

.phone-fab-text {
  color: #fff;
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ── How it works ── */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.step {
  text-align: center;
  padding: 2rem 1.5rem;
}

.step-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.25rem;
  background: linear-gradient(135deg, rgba(109, 91, 248, 0.15), rgba(31, 199, 230, 0.15));
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.step-icon svg {
  width: 28px;
  height: 28px;
}

.step-name {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.step-desc {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ── Features ── */

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
}

section:nth-child(even) .feature-card {
  background: var(--color-bg);
}

.feature-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* ── Support ── */

.support {
  text-align: center;
}

.support .section-subtitle {
  margin: 0 auto 2rem;
}

.support-email {
  font-size: 1.15rem;
  color: var(--color-accent);
  text-decoration: none;
  font-weight: 600;
  transition: opacity 0.2s;
}

.support-email:hover {
  opacity: 0.8;
}

/* ── Footer ── */

footer {
  border-top: 1px solid var(--color-border);
  padding: 2rem 0;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  color: var(--color-muted);
  font-size: 0.85rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
  list-style: none;
}

.footer-links a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.2s;
}

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

/* ── Privacy policy prose ── */

.prose {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem;
}

.prose h1 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
  line-height: 1.15;
}

.prose .effective-date {
  color: var(--color-muted);
  font-size: 0.95rem;
  margin-bottom: 3rem;
}

.prose h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 2.5rem 0 1rem;
}

.prose p {
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.prose ul {
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: 1rem;
  padding-left: 1.5rem;
}

.prose li {
  margin-bottom: 0.4rem;
}

.prose a {
  color: var(--color-accent);
  text-decoration: none;
}

.prose a:hover {
  text-decoration: underline;
}

/* ── Responsive ── */

@media (max-width: 768px) {
  section {
    padding: 3.5rem 0;
  }

  .hero {
    padding: 5rem 0 3rem;
  }

  .nav-toggle {
    display: block;
  }

  nav ul {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: rgba(10, 10, 10, 0.97);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 1.25rem;
    border-bottom: 1px solid var(--color-border);
  }

  nav ul.open {
    display: flex;
  }

  .product-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .phone-wrapper {
    order: -1;
  }

  .phone {
    width: 240px;
  }

  .steps {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

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

  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}