/* =============================================================
   isfinenow Beta 2 — 暖光设计系统
   Design: Warm editorial, typography-driven, premium
   Ref: fs-vip-home warm cream aesthetic
   ============================================================= */

/* --- 1. Design Tokens --- */
:root {
  color-scheme: light;
  /* Backgrounds */
  --bg: #f5ede3;
  --bg-deep: #ebe1d3;
  --bg-warm: #faf6f0;
  /* Surfaces */
  --surface: rgba(255, 250, 243, 0.82);
  --surface-strong: rgba(255, 253, 248, 0.92);
  --surface-muted: rgba(245, 237, 227, 0.6);
  --surface-dark: rgba(42, 31, 23, 0.92);
  /* Ink */
  --ink: #2a1f17;
  --ink-soft: rgba(42, 31, 23, 0.72);
  --ink-muted: rgba(42, 31, 23, 0.46);
  --ink-on-dark: #faf6f0;
  /* Brand */
  --gold: #b8963e;
  --gold-light: #d4b65e;
  --gold-dark: #8f7428;
  --gold-bg: rgba(184, 150, 62, 0.08);
  --gold-border: rgba(184, 150, 62, 0.22);
  /* Lines */
  --line: rgba(120, 88, 52, 0.09);
  --line-strong: rgba(120, 88, 52, 0.18);
  /* Shadows */
  --shadow-xs: 0 2px 8px rgba(60, 40, 20, 0.04);
  --shadow-sm: 0 8px 24px rgba(60, 40, 20, 0.06);
  --shadow-md: 0 16px 40px rgba(60, 40, 20, 0.08);
  --shadow-lg: 0 28px 64px rgba(50, 34, 18, 0.12);
  /* Radii */
  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 18px;
  --r-lg: 26px;
  --r-xl: 36px;
  /* Typography — system fonts only, no Google Fonts */
  --font-body: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans SC', system-ui, sans-serif;
  --font-display: 'Noto Serif SC', 'Songti SC', 'SimSun', 'STSong', serif;
  --font-mono: 'SF Mono', 'Menlo', 'Consolas', monospace;
  /* Spacing scale */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
  --sp-9: 96px;
  --sp-10: 128px;
  /* Transitions */
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 0.4s;
}

/* --- 2. Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  min-width: 320px;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  background:
    radial-gradient(circle at 8% 8%, rgba(184, 150, 62, 0.12), transparent 22%),
    radial-gradient(circle at 88% 6%, rgba(90, 120, 108, 0.1), transparent 20%),
    radial-gradient(circle at 65% 80%, rgba(140, 108, 78, 0.08), transparent 22%),
    linear-gradient(180deg, var(--bg-warm) 0%, var(--bg) 40%, var(--bg-deep) 100%);
  background-attachment: fixed;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    90deg, transparent 0, transparent 86px,
    rgba(155, 121, 81, 0.025) 86px, rgba(155, 121, 81, 0.025) 87px
  );
  opacity: 0.5;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; border: none; background: none; }
:focus-visible { outline: 2px solid var(--gold-border); outline-offset: 3px; }

/* --- 3. Typography --- */
.t-display {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.t-display-xl { font-size: clamp(2.4rem, 5vw, 3.8rem); }
.t-display-lg { font-size: clamp(2rem, 4vw, 3rem); }
.t-display-md { font-size: clamp(1.6rem, 3vw, 2.2rem); }
.t-display-sm { font-size: clamp(1.2rem, 2vw, 1.6rem); }
.t-body-lg { font-size: 1.125rem; line-height: 1.8; }
.t-body { font-size: 1rem; line-height: 1.7; }
.t-body-sm { font-size: 0.875rem; line-height: 1.6; }
.t-caption { font-size: 0.8rem; color: var(--ink-muted); letter-spacing: 0.04em; }
.t-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}
.t-gold { color: var(--gold); }
.t-soft { color: var(--ink-soft); }
.t-muted { color: var(--ink-muted); }

/* --- 4. Layout --- */
.container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}
.container-sm { width: min(800px, calc(100% - 40px)); margin: 0 auto; }
.container-xs { width: min(560px, calc(100% - 40px)); margin: 0 auto; }
.section {
  padding: var(--sp-9) 0;
}
.section-sm { padding: var(--sp-7) 0; }
.section-lg { padding: var(--sp-10) 0; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-6); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-6); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-5); }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.text-center { text-align: center; }
.gap-1 { gap: var(--sp-1); } .gap-2 { gap: var(--sp-2); } .gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); } .gap-5 { gap: var(--sp-5); } .gap-6 { gap: var(--sp-6); }

/* --- 5. Navigation --- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  background:
    linear-gradient(180deg, rgba(250, 246, 240, 0.94), rgba(245, 237, 227, 0.78));
  border-bottom: 1px solid var(--line);
}
.nav::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-border), transparent);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 16px;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo {
  width: 42px;
  height: 42px;
  border-radius: var(--r-sm);
  background: linear-gradient(135deg, rgba(255, 248, 235, 0.98), rgba(237, 223, 202, 0.92));
  border: 1px solid var(--gold-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--gold-dark);
  box-shadow: 0 4px 12px rgba(57, 39, 21, 0.08);
}
.nav-brand-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.nav-brand-name {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.1em;
}
.nav-brand-sub {
  font-size: 0.68rem;
  color: var(--ink-muted);
  letter-spacing: 0.06em;
}
.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}
.nav-links a {
  font-size: 0.88rem;
  color: var(--ink-soft);
  letter-spacing: 0.02em;
  transition: color var(--duration) var(--ease-out);
  position: relative;
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--ink);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  border-radius: 1px;
}
.nav-cta {
  padding: 10px 24px;
  border-radius: var(--r-md);
  background: var(--ink);
  color: var(--ink-on-dark);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all var(--duration) var(--ease-out);
  border: none;
}
.nav-cta:hover {
  background: var(--gold-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--ink);
  border-radius: 1px;
  transition: all 0.3s ease;
}

/* --- 6. Hero --- */
.hero {
  min-height: 88vh;
  display: flex;
  align-items: center;
  padding: var(--sp-8) 0 var(--sp-9);
  position: relative;
  overflow: hidden;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: var(--gold-bg);
  border: 1px solid var(--gold-border);
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold-dark);
  margin-bottom: var(--sp-5);
}
.hero-label::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--gold);
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin-bottom: var(--sp-5);
}
.hero-desc {
  font-size: 1.1rem;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: var(--sp-7);
  max-width: 560px;
}
.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-stats {
  display: flex;
  gap: var(--sp-7);
  margin-top: var(--sp-8);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--line);
}
.hero-stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.1;
}
.hero-stat-label {
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-top: 4px;
}
.hero-visual {
  position: absolute;
  right: -5%;
  top: 50%;
  transform: translateY(-50%);
  width: 440px;
  height: 440px;
  z-index: 1;
}
.hero-orb {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 35%, rgba(255, 252, 245, 0.9), transparent 60%),
    radial-gradient(circle at 65% 65%, rgba(184, 150, 62, 0.15), transparent 50%),
    linear-gradient(135deg, rgba(184, 150, 62, 0.1), rgba(140, 108, 78, 0.06));
  border: 1px solid var(--gold-border);
  box-shadow:
    0 0 80px rgba(184, 150, 62, 0.08),
    inset 0 0 60px rgba(255, 255, 255, 0.4);
  animation: orb-breathe 8s ease-in-out infinite;
}
@keyframes orb-breathe {
  0%, 100% { transform: scale(1); opacity: 0.8; }
  50% { transform: scale(1.03); opacity: 1; }
}

/* --- 7. Cards & Surfaces --- */
.card {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-xs);
  transition: all var(--duration) var(--ease-out);
}
.card:hover {
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}
.card-flat {
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: var(--sp-5);
}
.card-glass {
  background: var(--surface);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  box-shadow: var(--shadow-sm);
}
.card-dark {
  background: var(--surface-dark);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
  color: var(--ink-on-dark);
}
.card-gold {
  background: linear-gradient(135deg, rgba(184, 150, 62, 0.06), rgba(212, 182, 94, 0.04));
  border: 1px solid var(--gold-border);
  border-radius: var(--r-lg);
  padding: var(--sp-6);
}
.card-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-sm);
  background: var(--gold-bg);
  border: 1px solid var(--gold-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--sp-4);
}
.card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: var(--sp-3);
  line-height: 1.4;
}
.card p { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.7; }

/* --- 8. Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--r-md);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  transition: all var(--duration) var(--ease-out);
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary {
  background: var(--ink);
  color: var(--ink-on-dark);
}
.btn-primary:hover {
  background: #3d2e22;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-gold {
  background: linear-gradient(135deg, var(--gold), var(--gold-light));
  color: #fff;
}
.btn-gold:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
  box-shadow: 0 12px 28px rgba(184, 150, 62, 0.25);
}
.btn-outline {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-outline:hover {
  background: var(--surface-muted);
  border-color: var(--ink-muted);
}
.btn-ghost {
  background: transparent;
  color: var(--ink-soft);
  padding: 14px 20px;
}
.btn-ghost:hover { color: var(--ink); }
.btn-sm { padding: 10px 22px; font-size: 0.84rem; border-radius: var(--r-sm); }
.btn-lg { padding: 18px 40px; font-size: 1rem; border-radius: var(--r-lg); }
.btn-icon-after::after {
  content: '\2192';
  font-size: 1.1em;
  transition: transform 0.3s var(--ease-out);
}
.btn-icon-after:hover::after { transform: translateX(4px); }

/* --- 9. Section Headers --- */
.section-header {
  margin-bottom: var(--sp-7);
}
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--sp-3);
}
.section-label::before {
  content: '';
  width: 20px;
  height: 1px;
  background: var(--gold);
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: var(--sp-4);
}
.section-desc {
  font-size: 1rem;
  color: var(--ink-soft);
  line-height: 1.8;
  max-width: 640px;
}

/* --- 10. Pricing --- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
  align-items: start;
}
.pricing-card {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: var(--sp-7) var(--sp-6);
  position: relative;
  transition: all var(--duration) var(--ease-out);
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.pricing-card.featured {
  border-color: var(--gold-border);
  box-shadow: 0 0 0 1px var(--gold-border), var(--shadow-md);
}
.pricing-card.featured::before {
  content: '';
  position: absolute;
  top: 0;
  left: var(--sp-6);
  right: var(--sp-6);
  height: 3px;
  background: linear-gradient(90deg, var(--gold), var(--gold-light));
  border-radius: 0 0 2px 2px;
}
.pricing-badge {
  display: inline-flex;
  padding: 4px 14px;
  background: var(--gold-bg);
  border: 1px solid var(--gold-border);
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--gold-dark);
  margin-bottom: var(--sp-4);
}
.pricing-tier {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: var(--sp-2);
}
.pricing-desc {
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-bottom: var(--sp-5);
  line-height: 1.6;
}
.pricing-price {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  margin-bottom: var(--sp-2);
}
.pricing-price .unit {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--ink-muted);
}
.pricing-note {
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-bottom: var(--sp-6);
}
.pricing-features {
  list-style: none;
  margin-bottom: var(--sp-6);
}
.pricing-features li {
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  gap: 10px;
}
.pricing-features li:last-child { border-bottom: none; }
.pricing-features li::before {
  content: '\2713';
  color: var(--gold);
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}

/* --- 11. Forms --- */
.form-group {
  margin-bottom: var(--sp-5);
}
.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: var(--sp-2);
}
.form-label .required {
  color: #c0392b;
  margin-left: 2px;
}
.form-input {
  width: 100%;
  padding: 14px 18px;
  background: var(--surface-strong);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  font-size: 0.95rem;
  color: var(--ink);
  transition: all 0.25s ease;
  outline: none;
}
.form-input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px var(--gold-bg);
}
.form-input::placeholder {
  color: var(--ink-muted);
}
textarea.form-input {
  resize: vertical;
  min-height: 120px;
}
select.form-input {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%232a1f17' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 42px;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}
.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: var(--sp-4);
}
.form-hint {
  font-size: 0.78rem;
  color: var(--ink-muted);
  margin-top: var(--sp-1);
}
.form-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.form-chip {
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--line-strong);
  background: var(--surface);
  font-size: 0.84rem;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.25s ease;
  user-select: none;
}
.form-chip:hover { border-color: var(--gold-border); color: var(--ink); }
.form-chip.selected {
  background: var(--gold-bg);
  border-color: var(--gold);
  color: var(--gold-dark);
  font-weight: 600;
}
.char-count {
  text-align: right;
  font-size: 0.75rem;
  color: var(--ink-muted);
  margin-top: 4px;
}

/* --- 12. Footer --- */
.footer {
  padding: var(--sp-8) 0 var(--sp-6);
  border-top: 1px solid var(--line);
  margin-top: var(--sp-9);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--sp-7);
  margin-bottom: var(--sp-7);
}
.footer-brand {
  max-width: 280px;
}
.footer-brand-name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: var(--sp-3);
}
.footer-brand-desc {
  font-size: 0.85rem;
  color: var(--ink-muted);
  line-height: 1.7;
}
.footer-col h4 {
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: var(--sp-4);
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: var(--sp-2); }
.footer-col a {
  font-size: 0.88rem;
  color: var(--ink-soft);
  transition: color 0.25s ease;
}
.footer-col a:hover { color: var(--ink); }
.footer-bottom {
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-3);
}
.footer-copy {
  font-size: 0.78rem;
  color: var(--ink-muted);
}
.footer-legal {
  font-size: 0.72rem;
  color: var(--ink-muted);
  max-width: 480px;
  line-height: 1.5;
}

/* --- 13. Dividers & Decorations --- */
.divider {
  width: 40px;
  height: 2px;
  background: var(--gold);
  border-radius: 1px;
  margin: var(--sp-5) 0;
}
.dot-sep { color: var(--ink-muted); margin: 0 8px; }
.gold-line {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gold-border), transparent);
}

/* --- 14. Feature Grid --- */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-8);
  align-items: center;
}
.feature-row.reverse { direction: rtl; }
.feature-row.reverse > * { direction: ltr; }
.feature-visual {
  aspect-ratio: 4/3;
  background: var(--surface-muted);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.feature-text h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: var(--sp-4);
}
.feature-text p {
  font-size: 0.95rem;
  color: var(--ink-soft);
  line-height: 1.8;
  margin-bottom: var(--sp-5);
}

/* --- 15. Trust & Stats --- */
.stats-row {
  display: flex;
  justify-content: center;
  gap: var(--sp-8);
  padding: var(--sp-7) 0;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--gold-dark);
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--ink-muted);
  margin-top: 6px;
}

/* --- 16. CTA Banner --- */
.cta-banner {
  background: var(--surface-dark);
  border-radius: var(--r-xl);
  padding: var(--sp-8) var(--sp-7);
  text-align: center;
  color: var(--ink-on-dark);
  position: relative;
  overflow: hidden;
}
.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 50%;
  width: 600px;
  height: 600px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(184, 150, 62, 0.15), transparent 60%);
  pointer-events: none;
}
.cta-banner h2 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: var(--sp-4);
  position: relative;
}
.cta-banner p {
  font-size: 1rem;
  color: rgba(250, 246, 240, 0.7);
  margin-bottom: var(--sp-6);
  max-width: 480px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}

/* --- 17. Login --- */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-7) var(--sp-5);
}
.login-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: var(--sp-7);
  box-shadow: var(--shadow-md);
}
.login-logo {
  text-align: center;
  margin-bottom: var(--sp-6);
}
.login-logo .nav-logo {
  margin: 0 auto var(--sp-3);
  width: 56px;
  height: 56px;
  font-size: 1.1rem;
}
.login-title {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--sp-2);
}
.login-subtitle {
  text-align: center;
  font-size: 0.88rem;
  color: var(--ink-muted);
  margin-bottom: var(--sp-6);
}
.login-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: var(--sp-5) 0;
  color: var(--ink-muted);
  font-size: 0.8rem;
}
.login-divider::before,
.login-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--line);
}
.login-social {
  display: flex;
  gap: 12px;
  margin-bottom: var(--sp-5);
}
.login-social-btn {
  flex: 1;
  padding: 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.25s ease;
}
.login-social-btn:hover {
  border-color: var(--ink-muted);
  background: var(--surface-strong);
}

/* --- 18. Contact / Feedback special --- */
.contact-success {
  position: fixed;
  inset: 0;
  background: rgba(42, 31, 23, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.contact-success.show {
  display: flex;
  opacity: 1;
}
.contact-success-card {
  background: var(--surface-strong);
  border: 1px solid var(--line);
  border-radius: var(--r-xl);
  padding: var(--sp-7);
  text-align: center;
  max-width: 400px;
  width: calc(100% - 40px);
  box-shadow: var(--shadow-lg);
}
.contact-success-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--gold-bg);
  border: 2px solid var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--sp-4);
  font-size: 1.8rem;
}
.region-toggle {
  display: inline-flex;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  overflow: hidden;
  margin-bottom: var(--sp-5);
}
.region-btn {
  padding: 8px 20px;
  font-size: 0.84rem;
  border: none;
  background: transparent;
  color: var(--ink-soft);
  cursor: pointer;
  transition: all 0.25s ease;
}
.region-btn.active {
  background: var(--ink);
  color: var(--ink-on-dark);
}

/* --- 19. Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }

/* --- 20. Responsive --- */
@media (max-width: 768px) {
  .container { width: calc(100% - 32px); }
  .section { padding: var(--sp-7) 0; }
  .section-lg { padding: var(--sp-8) 0; }
  .hero { min-height: auto; padding: var(--sp-7) 0; }
  .hero-title { font-size: clamp(2rem, 8vw, 2.8rem); }
  .hero-visual { display: none; }
  .hero-stats { flex-wrap: wrap; gap: var(--sp-5); }
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .nav-inner { min-height: 60px; }
  .grid-2, .grid-3, .grid-4, .pricing-grid { grid-template-columns: 1fr; }
  .feature-row, .feature-row.reverse { grid-template-columns: 1fr; direction: ltr; }
  .feature-visual { aspect-ratio: 16/9; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--sp-5); }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stats-row { flex-wrap: wrap; gap: var(--sp-5); }
  .form-row, .form-row-3 { grid-template-columns: 1fr; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; }
  .cta-banner { padding: var(--sp-6) var(--sp-5); border-radius: var(--r-lg); }
}
@media (max-width: 480px) {
  :root { font-size: 15px; }
  .container { width: calc(100% - 24px); }
  .card, .card-glass { padding: var(--sp-5); border-radius: var(--r-md); }
  .pricing-card { padding: var(--sp-5); border-radius: var(--r-lg); }
  .login-card { padding: var(--sp-5); }
  .nav-logo { width: 36px; height: 36px; font-size: 0.8rem; border-radius: 10px; }
}