:root {
  --dark: #0d0d0d;
  --dark-2: #161616;
  --dark-card: #1a1a1a;
  --light: #f5f4f0;
  --light-2: #ebebeb;
  --white: #ffffff;
  --text-on-dark: rgba(255,255,255,0.88);
  --muted-on-dark: rgba(255,255,255,0.5);
  --text-on-light: #111111;
  --muted-on-light: #6b7280;
  --blue: #3b82f6;
  --blue-dark: #2563eb;
  --border-dark: rgba(255,255,255,0.08);
  --border-light: #e0dfd9;
  --font: -apple-system, 'SF Pro Display', 'SF Pro Text', BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --radius: 14px;
  --radius-lg: 20px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  background: var(--dark);
  color: var(--text-on-dark);
  overflow-x: hidden;
}

/* ─── NAV ─────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13,13,13,0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-dark);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 56px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-logo {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.75rem;
  margin: 0 auto;
}

.nav-links a {
  text-decoration: none;
  color: var(--muted-on-dark);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color .15s;
}

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

.nav-cta {
  padding: 0.5rem 1.25rem;
  background: var(--blue);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 600;
  border-radius: 999px;
  text-decoration: none;
  transition: background .15s, transform .15s;
  white-space: nowrap;
}

.nav-cta:hover { background: var(--blue-dark); transform: translateY(-1px); }

/* ─── HERO ─────────────────────────────────────────── */
.hero {
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(59,130,246,0.18) 0%, transparent 70%), var(--dark);
  text-align: center;
  padding: 4rem 1.5rem 0;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  background: var(--white);
  color: var(--dark);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 14px;
  text-decoration: none;
  margin-bottom: 1.75rem;
  transition: transform .15s, box-shadow .2s;
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,255,255,0.15);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 1rem;
  background: rgba(59,130,246,0.12);
  border: 1px solid rgba(59,130,246,0.3);
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #93c5fd;
  margin-bottom: 1.75rem;
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.25rem;
}

.gradient-text {
  background: linear-gradient(90deg, #60a5fa 0%, #a78bfa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  max-width: 44ch;
  font-size: 1.0625rem;
  color: var(--muted-on-dark);
  margin-bottom: 2.5rem;
  line-height: 1.65;
}

.hero-phone {
  width: 280px;
  border-radius: 40px;
  overflow: hidden;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.06), 0 40px 80px rgba(0,0,0,0.6);
  mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 70%, transparent 100%);
}

.hero-phone img {
  width: 100%;
  display: block;
}

/* ─── SOCIAL PROOF ─────────────────────────────────── */
.social-proof {
  background: var(--light);
  padding: 3rem 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.75rem;
}

.sp-label {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-on-light);
}

.sp-stats {
  display: flex;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.sp-stat {
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.sp-stat strong {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-on-light);
}

.sp-stat span {
  font-size: 0.8125rem;
  color: var(--muted-on-light);
}

.sp-divider {
  width: 1px;
  height: 40px;
  background: var(--border-light);
}

/* ─── FEATURES ─────────────────────────────────────── */
.features {
  background: var(--light);
  padding: 1rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
}

/* Big top card */
.feat-main {
  background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 60%, #3b82f6 100%);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: grid;
  gap: 2rem;
  align-items: center;
  overflow: hidden;
  position: relative;
}

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

.feat-main-text h3 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.feat-main-text p {
  color: rgba(255,255,255,0.75);
  font-size: 0.9375rem;
  line-height: 1.65;
}

.feat-main-phone {
  display: flex;
  justify-content: center;
}

.feat-main-phone img {
  width: 180px;
  border-radius: 28px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}

/* 2-col row */
.feat-row {
  display: grid;
  gap: 1rem;
}

@media (min-width: 640px) {
  .feat-row { grid-template-columns: 1fr 1fr; }
}

.feat-card {
  background: var(--dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: border-color .2s;
}

.feat-card:hover { border-color: rgba(255,255,255,0.15); }

.feat-card-blue {
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%);
  border-color: transparent;
}

.feat-card-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  margin-bottom: 1rem;
  color: var(--white);
}

.feat-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.5rem;
}

.feat-card p {
  font-size: 0.9rem;
  color: var(--muted-on-dark);
  line-height: 1.6;
}

/* Wide bottom card */
.feat-wide {
  background: var(--dark-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.feat-wide-text h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: #4ade80;
  margin-bottom: 0.5rem;
}

.feat-wide-text p {
  font-size: 0.9rem;
  color: var(--muted-on-dark);
  margin-bottom: 1.25rem;
}

.feat-wide-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.privacy-badge {
  padding: 0.35rem 0.875rem;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border-dark);
  border-radius: 999px;
  font-size: 0.8rem;
  color: var(--muted-on-dark);
}

.feat-wide-note {
  font-size: 0.8125rem;
  color: rgba(255,255,255,0.3);
}

/* ─── HOW IT WORKS ──────────────────────────────────── */
.how-it-works {
  background: var(--light);
  padding: 4rem 1.5rem;
}

.how-it-works h2,
.testimonials h2,
.final-cta h2 {
  text-align: center;
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text-on-light);
  margin-bottom: 2.5rem;
}

.steps {
  display: grid;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
}

.step {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  text-align: center;
  transition: box-shadow .2s;
}

.step:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.08); }

.step-num {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue);
  background: rgba(59,130,246,0.1);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}

.step-emoji {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

.step h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-on-light);
  margin-bottom: 0.5rem;
}

.step p {
  font-size: 0.875rem;
  color: var(--muted-on-light);
}

/* ─── TESTIMONIALS ──────────────────────────────────── */
.testimonials {
  background: var(--light);
  padding: 2rem 1.5rem 4rem;
}

.testimonial-grid {
  display: grid;
  gap: 1rem;
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 640px) {
  .testimonial-grid { grid-template-columns: 1fr 1fr; }
}

.testimonial {
  background: var(--white);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: box-shadow .2s;
}

.testimonial:hover { box-shadow: 0 8px 32px rgba(0,0,0,0.08); }

.testimonial p {
  font-size: 0.9375rem;
  color: var(--text-on-light);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.testimonial footer {
  font-size: 0.875rem;
  color: var(--muted-on-light);
  border: none;
  padding: 0;
}

.testimonial footer strong { color: var(--text-on-light); }

/* ─── FINAL CTA ─────────────────────────────────────── */
.final-cta {
  background: var(--dark);
  text-align: center;
  padding: 5rem 1.5rem;
  border-top: 1px solid var(--border-dark);
}

.final-cta h2 {
  color: var(--white);
  margin-bottom: 2rem;
}

.cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  background: var(--white);
  color: var(--dark);
  font-size: 1rem;
  font-weight: 700;
  border-radius: 999px;
  text-decoration: none;
  transition: transform .15s, box-shadow .2s;
}

.cta-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255,255,255,0.15);
}

.cta-micro {
  margin-top: 1rem;
  font-size: 0.8125rem;
  color: var(--muted-on-dark);
}

/* ─── FOOTER ─────────────────────────────────────────── */
.footer {
  background: var(--dark-2);
  border-top: 1px solid var(--border-dark);
  padding: 3rem 1.5rem 1.5rem;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 3rem;
  justify-content: space-between;
  margin-bottom: 2.5rem;
}

.footer-wordmark {
  display: block;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--muted-on-dark);
  max-width: 22ch;
}

.footer-cols {
  display: flex;
  gap: 3rem;
  flex-wrap: wrap;
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.footer-col h4 {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.footer-col a {
  font-size: 0.8125rem;
  color: var(--muted-on-dark);
  text-decoration: none;
  transition: color .15s;
}

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

.footer-bottom {
  max-width: 1100px;
  margin: 0 auto;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--muted-on-dark);
}

.footer-socials {
  display: flex;
  gap: 1rem;
}

.footer-socials a {
  color: var(--muted-on-dark);
  transition: color .15s;
}

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

/* ─── ANIMATIONS ─────────────────────────────────────── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-cta { animation: fadeUp .4s ease-out backwards; }
.hero h1 { animation: fadeUp .4s ease-out .08s backwards; }
.hero-sub { animation: fadeUp .4s ease-out .14s backwards; }
.hero-phone { animation: fadeUp .5s ease-out .2s backwards; }