/* ── Root Colors ── */
:root {
  --bg: #ffffff;
  --surface: #f8fafc;
  --border: #e2e8f0;
  --accent: #001f3f;
  --accent2: #0052a3;
  --text: #0f172a;
  --muted: #64748b;
  --success: #10b981;
  --radius: 12px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.6;
}

/* ── Navigation ── */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav__brand {
  font-weight: 800;
  font-size: 1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav__link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.15s;
}

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

.nav__cta {
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 99px;
  font-weight: 700 !important;
  font-size: 0.85rem !important;
  transition: opacity 0.18s;
}

.nav__cta:hover {
  opacity: 0.85;
}

/* ── Hero ── */
.hero {
  max-width: 1060px;
  margin: 0 auto;
  padding: 80px 32px 64px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.hero__badge {
  display: inline-block;
  background: rgba(0, 31, 63, 0.08);
  border: 1px solid rgba(0, 31, 63, 0.25);
  color: #001f3f;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 99px;
  margin-bottom: 18px;
}

.hero__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.12;
  margin-bottom: 18px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__sub {
  font-size: 1rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 460px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.hero__learn {
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.15s;
}

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

.hero__shipping {
  font-size: 0.8rem;
  color: var(--muted);
}

.hero__visual {
  position: relative;
  width: 100%;
}

.hero__visual img {
  width: 100%;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  display: block;
}

.hero__placeholder {
  aspect-ratio: 4/3;
  background: #f0f4f8;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: var(--muted);
  font-size: 0.9rem;
}

/* ── Button ── */
.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  padding: 15px 42px;
  border-radius: 99px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  letter-spacing: 0.02em;
  transition: opacity 0.18s, transform 0.18s;
  box-shadow: 0 2px 12px rgba(0, 31, 63, 0.2);
}

.btn:hover {
  opacity: 0.88;
  transform: translateY(-2px);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ── Strip ── */
.strip {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: #f8fafc;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding: 16px 24px;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 500;
}

.strip__dot {
  color: var(--border);
}

/* ── Section ── */
.section {
  max-width: 860px;
  margin: 0 auto;
  padding: 64px 24px;
}

.section__label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 10px;
}

.section__title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 32px;
}

/* ── Features Grid ── */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}

.feature {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature:hover {
  border-color: var(--accent);
  box-shadow: 0 1px 8px rgba(0, 31, 63, 0.08);
}

.feature__icon {
  font-size: 1.5rem;
  margin-bottom: 10px;
}

.feature__name {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.feature__desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ── Feature Rows ── */
.feature-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.feature-row {
  display: flex;
  gap: 16px;
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  align-items: flex-start;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.feature-row:hover {
  border-color: var(--accent);
  box-shadow: 0 1px 8px rgba(0, 31, 63, 0.08);
}

.feature-row__icon {
  font-size: 1.4rem;
  flex-shrink: 0;
}

.feature-row__name {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 4px;
}

.feature-row__desc {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.55;
}

/* ── Divider ── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  max-width: 860px;
  margin: 0 auto;
}

/* ── Compare ── */
.compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.compare__col {
  border-radius: var(--radius);
  padding: 24px 28px;
  border: 1px solid var(--border);
}

.compare__col--bad {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.25);
}

.compare__col--good {
  background: rgba(16, 185, 129, 0.08);
  border-color: rgba(16, 185, 129, 0.3);
}

.compare__head {
  font-weight: 800;
  font-size: 0.9rem;
  margin-bottom: 14px;
  letter-spacing: 0.01em;
}

.compare__col--bad .compare__head {
  color: #dc2626;
}

.compare__col--good .compare__head {
  color: #059669;
}

.compare__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.compare__col ul li {
  font-size: 0.875rem;
  color: var(--muted);
  padding-left: 20px;
  position: relative;
  line-height: 1.5;
}

.compare__col--bad ul li::before {
  content: "✕";
  position: absolute;
  left: 0;
  color: #f87171;
  font-size: 0.75rem;
  top: 2px;
}

.compare__col--good ul li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #10b981;
  font-weight: 700;
  font-size: 0.8rem;
  top: 1px;
}

/* ── Story ── */
.story {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}

.story p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 14px;
  line-height: 1.7;
}

.story p:last-child {
  margin-bottom: 0;
}

.story strong {
  color: var(--text);
}

.story a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

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

/* ── FAQ ── */
.faq {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq__item {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.faq__q {
  font-weight: 700;
  font-size: 0.95rem;
  margin-bottom: 8px;
}

.faq__a {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.65;
}

/* ── Countdown ── */
.countdown {
  margin: 0 auto 28px;
}

.countdown__label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 10px;
}

.countdown__blocks {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.countdown__block {
  background: #f8fafc;
  border: 2px solid var(--accent);
  border-radius: 8px;
  min-width: 62px;
  padding: 10px 8px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.countdown__block span {
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--text);
}

.countdown__block small {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 4px;
}

.countdown__sep {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--muted);
  padding-bottom: 14px;
}

.closed__msg {
  font-size: 1rem;
  color: var(--muted);
  margin: 8px 0 16px;
  font-style: italic;
}

/* ── Tags ── */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag {
  background: #f8fafc;
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 7px 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 7px;
}

/* ── CTA Section ── */
.cta {
  text-align: center;
  padding: 72px 24px;
  background: radial-gradient(ellipse 70% 50% at 50% 100%, rgba(0, 31, 63, 0.06) 0%, transparent 70%);
}

.cta__title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}

.cta__sub {
  color: var(--muted);
  margin-bottom: 28px;
  font-size: 0.95rem;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  text-align: center;
  padding: 28px 24px;
  font-size: 0.8rem;
  color: var(--muted);
}

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

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

/* ── Form ── */
.form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 400px;
  margin: 0 auto;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form__label {
  font-weight: 600;
  font-size: 0.9rem;
}

.form__input,
.form__select {
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color 0.2s;
}

.form__input:focus,
.form__select:focus {
  outline: none;
  border-color: var(--accent);
}

/* ── Responsive ── */
@media (max-width: 720px) {
  .nav {
    padding: 14px 20px;
  }

  .nav__links {
    gap: 16px;
  }

  .nav__link:not(.nav__cta) {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    padding: 48px 24px 40px;
    gap: 36px;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 480px) {
  .features {
    grid-template-columns: 1fr;
  }

  .form {
    max-width: 100%;
  }
}