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

/* ── Base ── */
body {
  background: #f5f0e8;
  color: #1c2821;
  font-family: Georgia, 'Times New Roman', serif;
}

/* ── Nav ── */
nav {
  background: #0d1520;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 40px;
  height: 64px;
}
.logo {
  font-size: 20px;
  font-weight: 900;
  color: #7eb8f7;
  text-decoration: none;
  font-family: system-ui, sans-serif;
  letter-spacing: 3px;
}
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,.6);
  text-decoration: none;
  font-size: 14px;
  font-family: system-ui, sans-serif;
  transition: color .2s;
}
.nav-links a:hover { color: rgba(255,255,255,.9); }
.nav-cta {
  background: #2563eb;
  color: #fff;
  border-radius: 4px;
  font-family: system-ui, sans-serif;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  padding: 10px 22px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background .2s;
}
.nav-cta:hover { background: #1d4ed8; }

/* ── Hero ── */
.hero {
  min-height: 520px;
  padding: 80px 40px;
  display: flex;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, #1a1f2e 0%, #1e2d4a 40%, #1a3040 100%);
}
.hero-inner {
  width: 100%;
  max-width: 1000px;
  display: flex;
  align-items: center;
  gap: 60px;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    -20deg,
    transparent,
    transparent 60px,
    rgba(100,160,255,.03) 60px,
    rgba(100,160,255,.03) 61px
  );
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(100,160,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100,160,255,.04) 1px, transparent 1px);
  background-size: 48px 48px;
  pointer-events: none;
}

.hero-text {
  position: relative;
  z-index: 1;
  flex: 1;
  color: #f5f0e8;
}
.hero-kicker {
  font-family: system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: #7eb8f7;
  margin-bottom: 16px;
}
h1 {
  font-size: 58px;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
  color: #f5f0e8;
  font-family: Georgia, serif;
}
h1 em {
  font-style: italic;
  color: #7eb8f7;
}
.hero-desc {
  font-size: 17px;
  color: rgba(245,240,232,.7);
  line-height: 1.8;
  max-width: 440px;
  margin-bottom: 36px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary {
  background: #2563eb;
  color: #fff;
  padding: 14px 28px;
  border-radius: 4px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  font-family: system-ui, sans-serif;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background .2s;
}
.btn-primary:hover { background: #1d4ed8; }
.btn-secondary {
  background: transparent;
  color: rgba(245,240,232,.8);
  padding: 14px 24px;
  border-radius: 4px;
  font-family: system-ui, sans-serif;
  font-size: 15px;
  text-decoration: none;
  border: 1.5px solid rgba(245,240,232,.25);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: border-color .2s, color .2s;
}
.btn-secondary:hover { border-color: rgba(245,240,232,.5); color: #fff; }
button.btn-secondary { background: transparent; border: 1.5px solid rgba(245,240,232,.25); cursor: pointer; font-family: system-ui, sans-serif; }

/* ── Modal ── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(5, 10, 20, .7);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity .2s;
  padding: 20px;
}
.modal-backdrop[hidden] { display: none; }
.modal-backdrop.visible { opacity: 1; }
.modal-box {
  background: #111827;
  border: 1px solid rgba(126,184,247,.15);
  border-radius: 16px;
  padding: 40px 36px 32px;
  width: 100%;
  max-width: 480px;
  position: relative;
  box-shadow: 0 24px 64px rgba(0,0,0,.6);
  transform: translateY(10px);
  transition: transform .2s;
  font-family: system-ui, sans-serif;
}
.modal-backdrop.visible .modal-box { transform: translateY(0); }
.modal-close {
  position: absolute;
  top: 16px; right: 16px;
  background: none;
  border: none;
  color: rgba(255,255,255,.35);
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  display: flex;
  transition: color .15s;
}
.modal-close:hover { color: rgba(255,255,255,.8); }
.modal-icon { margin-bottom: 20px; }
.modal-title {
  font-size: 22px;
  font-weight: 700;
  color: #f5f0e8;
  margin-bottom: 8px;
  font-family: system-ui, sans-serif;
}
.modal-desc {
  font-size: 14px;
  color: rgba(245,240,232,.5);
  line-height: 1.6;
  margin-bottom: 24px;
}
.modal-input-wrap { margin-bottom: 8px; }
.modal-input {
  width: 100%;
  background: #0d1520;
  border: 1.5px solid rgba(126,184,247,.2);
  border-radius: 8px;
  color: #f5f0e8;
  font-size: 15px;
  font-family: system-ui, sans-serif;
  padding: 13px 16px;
  outline: none;
  transition: border-color .15s;
}
.modal-input::placeholder { color: rgba(245,240,232,.25); }
.modal-input:focus { border-color: #2563eb; }
.modal-input--error { border-color: #f87171 !important; }
.modal-error {
  font-size: 13px;
  color: #f87171;
  margin-top: 6px;
  margin-bottom: 0;
}
.modal-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 24px;
}
.modal-btn-cancel {
  background: rgba(245,240,232,.06);
  border: 1px solid rgba(245,240,232,.12);
  color: rgba(245,240,232,.6);
  border-radius: 8px;
  padding: 11px 20px;
  font-size: 14px;
  font-family: system-ui, sans-serif;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.modal-btn-cancel:hover { background: rgba(245,240,232,.1); color: #f5f0e8; }
.modal-btn-confirm {
  background: #2563eb;
  border: none;
  color: #fff;
  border-radius: 8px;
  padding: 11px 24px;
  font-size: 14px;
  font-weight: 600;
  font-family: system-ui, sans-serif;
  cursor: pointer;
  transition: background .15s;
}
.modal-btn-confirm:hover { background: #1d4ed8; }
.btn-badge { display: inline-flex; align-items: center; }
.btn-badge img { display: block; width: auto; height: 76px; margin: -8px 0; }

/* ── Phone mockup ── */
.hero-phone {
  position: relative;
  z-index: 1;
  flex: 1;
  display: flex;
  justify-content: center;
}
.phone-shell {
  width: 234px;
  border-radius: 44px;
  border: 10px solid #1a2535;
  background: #0a0e17;
  box-shadow:
    0 0 0 1.5px #2a3a52,
    28px 32px 72px rgba(0,0,0,.6),
    inset 0 0 0 1px rgba(255,255,255,.04);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* side buttons */
  overflow: visible;
}
/* volume buttons (left side) */
.phone-shell::before {
  content: '';
  position: absolute;
  left: -13px;
  top: 80px;
  width: 3px;
  height: 60px;
  background: #1a2535;
  border-radius: 2px 0 0 2px;
  box-shadow: 0 28px 0 #1a2535, 0 52px 0 #1a2535, 0 80px 0 #1a2535;
}
/* power button (right side) */
.phone-shell::after {
  content: '';
  position: absolute;
  right: -13px;
  top: 100px;
  width: 3px;
  height: 52px;
  background: #1a2535;
  border-radius: 0 2px 2px 0;
}
.phone-notch {
  width: 90px;
  height: 28px;
  background: #0a0e17;
  border-radius: 0 0 18px 18px;
  position: relative;
  z-index: 2;
  flex-shrink: 0;
  /* front camera dot */
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
}
.phone-notch::after {
  content: '';
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #111c2e;
  border: 1.5px solid #1e3050;
}
.phone-screen {
  width: 100%;
  flex: 1;
  overflow: hidden;
  border-radius: 0 0 6px 6px;
  background: #0a0e17;
}
.phone-screen img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
  user-select: none;
}
.phone-home {
  width: 64px;
  height: 4px;
  background: rgba(255,255,255,.18);
  border-radius: 2px;
  margin: 8px 0 6px;
  flex-shrink: 0;
}

/* ── Features ── */
.features {
  padding: 80px 40px;
  background: #f5f0e8;
}
.features-inner { max-width: 1000px; margin: 0 auto; }
.feat-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 48px;
  gap: 40px;
}
.feat-header h2 {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.1;
  max-width: 400px;
}
.feat-header p {
  font-size: 15px;
  color: #5a7060;
  max-width: 280px;
  line-height: 1.6;
  font-family: system-ui, sans-serif;
}
.feat-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border-top: 2px solid #1c2821;
}
.feat-item {
  padding: 32px 28px;
  border-right: 1px solid rgba(28,40,33,.15);
}
.feat-item:nth-child(3n) { border-right: none; }
.feat-num {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 2px;
  color: #2563eb;
  font-family: system-ui, sans-serif;
  margin-bottom: 12px;
}
.feat-icon { font-size: 28px; margin-bottom: 12px; }
.feat-item h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.feat-item p {
  font-size: 14px;
  color: #5a7060;
  line-height: 1.6;
  font-family: system-ui, sans-serif;
}

/* ── CTA band ── */
.cta-band {
  background: #0d1520;
  padding: 60px 40px;
  text-align: center;
}
.cta-band h2 {
  font-size: 36px;
  color: #f5f0e8;
  margin-bottom: 8px;
}
.cta-band p {
  color: rgba(245,240,232,.55);
  font-family: system-ui, sans-serif;
  font-size: 15px;
  margin-bottom: 28px;
}

/* ── Footer ── */
footer {
  padding: 32px 40px;
  background: #080d17;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
footer .brand {
  font-size: 14px;
  letter-spacing: 3px;
  color: #7eb8f7;
  font-family: system-ui, sans-serif;
}
footer nav {
  background: none;
  height: auto;
  padding: 0;
  gap: 0;
}
footer nav a {
  color: rgba(245,240,232,.4);
  font-size: 13px;
  text-decoration: none;
  margin-left: 20px;
  font-family: system-ui, sans-serif;
  transition: color .2s;
}
footer nav a:hover { color: rgba(245,240,232,.8); }

/* ── Responsive ── */
@media (max-width: 768px) {
  nav { padding: 0 20px; }
  .nav-links { display: none; }
  .hero { padding: 60px 20px; min-height: auto; }
  .hero-inner { flex-direction: column; gap: 40px; }
  h1 { font-size: 38px; }
  .hero-phone { align-self: center; }
  .features { padding: 60px 20px; }
  .feat-header { flex-direction: column; }
  .feat-list { grid-template-columns: 1fr; }
  .feat-item { border-right: none; border-bottom: 1px solid rgba(28,40,33,.15); }
  .feat-item:last-child { border-bottom: none; }
  footer { padding: 24px 20px; }
  footer nav a { margin-left: 12px; }
}