/* ─── CSS VARIABLES ─── */
:root {
  --blue-primary: #1A8FE3;
  --blue-dark: #0D5FA0;
  --blue-light: #EBF5FF;
  --text-heading: #111827;
  --text-body: #374151;
  --text-muted: #6B7280;
  --bg-page: #F3F7FB;
  --bg-card: #FFFFFF;
  --border: #E5EAF0;
  --shadow-card: 0 4px 32px rgba(26, 143, 227, 0.10), 0 1.5px 6px rgba(0,0,0,0.06);
  --radius-card: 18px;
  --radius-btn: 12px;
  --font-display: 'Sora', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --transition: 0.22s cubic-bezier(.4,0,.2,1);
}

/* ─── RESET ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg-page);
  color: var(--text-body);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }

/* ─── HEADER ─── */
.header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 8px rgba(0,0,0,0.05);
}
.header__inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 28px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo__icon svg {
  width: 42px;
  height: 42px;
  display: block;
  filter: drop-shadow(0 2px 6px rgba(26,143,227,0.3));
}
.logo__text {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1;
}
.logo__strong { color: var(--text-heading); }
.logo__hub { color: var(--blue-primary); }
.header__tagline {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-family: var(--font-body);
}

/* ─── HERO ─── */
.hero {
  padding: 80px 28px 40px;
  text-align: center;
}
.hero__inner {
  max-width: 680px;
  margin: 0 auto;
  animation: fadeUp 0.6s ease both;
}
.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--text-heading);
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero__subtitle {
  font-size: 1.05rem;
  color: var(--text-body);
  line-height: 1.7;
  max-width: 560px;
  margin: 0 auto;
}
.hero__subtitle strong {
  color: var(--blue-dark);
  font-weight: 600;
}

/* ─── CARD SECTION ─── */
.card-section {
  flex: 1;
  display: flex;
  justify-content: center;
  padding: 32px 20px 64px;
  animation: fadeUp 0.7s ease 0.1s both;
}
.card {
  background: var(--bg-card);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border);
  max-width: 680px;
  width: 100%;
  padding: 40px 44px 36px;
}

/* Card Header */
.card__header {
  margin-bottom: 32px;
}
.card__title {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
}
.card__subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* ─── STEPS ─── */
.steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-bottom: 36px;
}
.step {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.step:last-child {
  border-bottom: none;
}
.step__num {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--blue-primary);
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(26,143,227,0.3);
  margin-top: 2px;
}
.step__content {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.step__content strong {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-heading);
}
.step__content span {
  font-size: 0.93rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* ─── BUTTONS ─── */
.card__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: var(--radius-btn);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.97rem;
  cursor: pointer;
  border: none;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
}
.btn__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.btn--primary {
  background: var(--blue-primary);
  color: #fff;
  box-shadow: 0 4px 18px rgba(26,143,227,0.35);
}
.btn--primary:hover {
  background: var(--blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(26,143,227,0.45);
}
.btn--primary:active { transform: translateY(0); }
.btn--secondary {
  background: transparent;
  color: var(--text-heading);
  border: 1.5px solid var(--border);
  box-shadow: none;
}
.btn--secondary:hover {
  border-color: var(--blue-primary);
  color: var(--blue-primary);
  transform: translateY(-1px);
}

/* ─── CARD NOTE ─── */
.card__note {
  font-size: 0.84rem;
  color: var(--text-muted);
}

/* ─── FOOTER ─── */
.footer {
  background: #fff;
  border-top: 1px solid var(--border);
  padding: 20px 28px;
}
.footer__inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}
.footer__policy {
  color: var(--text-muted);
}

/* ─── TOAST ─── */
.toast {
  position: fixed;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--text-heading);
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 12px 24px;
  border-radius: 50px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s, transform 0.3s;
  z-index: 9999;
  white-space: nowrap;
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ─── ANIMATIONS ─── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(28px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ─── RESPONSIVE ─── */
@media (max-width: 600px) {
  .header__inner { padding: 0 16px; }
  .hero { padding: 52px 16px 28px; }
  .card { padding: 28px 20px 28px; }
  .card__actions { flex-direction: column; align-items: stretch; }
  .btn { justify-content: center; }
  .footer__inner { flex-direction: column; align-items: flex-start; gap: 6px; }
  .header__tagline { display: none; }
}
