/* ═══════════════════════════════════════════
   GEMINI AI PRO — LANDING PAGE
   Design System: Google Blue / Gemini Gradient
   ═══════════════════════════════════════════ */

:root {
  --bg:           #08090d;
  --surface:      #10131e;
  --surface-2:    #161928;
  --border:       rgba(255, 255, 255, 0.07);
  --border-glow:  rgba(99, 102, 241, 0.35);

  /* Gemini brand gradient */
  --grad-main:    linear-gradient(135deg, #4285F4 0%, #8B5CF6 50%, #06B6D4 100%);
  --grad-glow:    linear-gradient(135deg, rgba(66,133,244,0.15) 0%, rgba(139,92,246,0.15) 100%);
  --grad-annual:  linear-gradient(135deg, #f59e0b, #ef4444);

  --accent:       #6366f1;
  --accent-2:     #06B6D4;
  --danger:       #ef4444;
  --success:      #10b981;
  --warning:      #f59e0b;

  --text:         #ffffff;
  --text-muted:   #94a3b8;
  --text-dim:     #475569;
}

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

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--text);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Subtle background grid texture ── */
body::before {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}

.container {
  max-width: 1020px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* ═══ TOP ALERT BANNER ═══ */
.top-alert {
  background: rgba(239, 68, 68, 0.12);
  border-bottom: 1px solid rgba(239, 68, 68, 0.25);
  color: #f87171;
  text-align: center;
  padding: 11px 16px;
  font-weight: 700;
  font-size: 0.88rem;
  letter-spacing: 0.4px;
  position: relative;
  z-index: 100;
}

/* ═══ STICKY HEADER ═══ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 99;
  padding: 14px 24px;
  transition: background 0.3s, box-shadow 0.3s;
}

.site-header.scrolled {
  background: rgba(8, 9, 13, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 var(--border);
}

.header-inner {
  max-width: 1020px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.logo strong { font-weight: 900; }

.header-cta {
  background: var(--grad-main);
  color: #fff;
  text-decoration: none;
  padding: 10px 22px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  transition: opacity 0.2s, transform 0.2s;
}

.header-cta:hover { opacity: 0.9; transform: translateY(-1px); }

/* ═══ HERO ═══ */
.hero {
  text-align: center;
  padding: 72px 0 48px;
  position: relative;
}

/* Glow orb behind hero */
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 700px; height: 400px;
  background: radial-gradient(ellipse at center,
    rgba(99, 102, 241, 0.12) 0%,
    rgba(6, 182, 212, 0.05) 50%,
    transparent 70%);
  pointer-events: none;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
  padding: 6px 18px;
  border-radius: 100px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 28px;
  letter-spacing: 0.2px;
}

.hero h1 {
  font-size: 4.2rem;
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -2px;
  margin-bottom: 22px;
}

.hero h1 span {
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: inline-block;
}

.hero-sub {
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-sub strong { color: #fff; font-weight: 700; }

/* ── Trust Row ── */
.trust-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 8px;
  background: rgba(16, 185, 129, 0.08);
  border: 1px solid rgba(16, 185, 129, 0.18);
  color: #34d399;
  padding: 8px 16px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.88rem;
  white-space: nowrap;
}

/* ═══ BUY BOX ═══ */
.buy-box {
  background: var(--surface);
  border: 1px solid var(--border-glow);
  border-radius: 24px;
  padding: 40px;
  max-width: 600px;
  margin: 0 auto;
  box-shadow:
    0 0 0 1px rgba(99,102,241,0.1),
    0 25px 60px rgba(0, 0, 0, 0.5),
    0 0 80px rgba(99, 102, 241, 0.08);
  position: relative;
  overflow: hidden;
}

.buy-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-main);
}

.buy-box-top {
  text-align: center;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 20px;
}

/* Plan Tabs */
.plan-selector {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 28px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 8px;
}

.plan-tab {
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 14px 12px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  transition: all 0.2s;
  position: relative;
}

.plan-tab.active {
  background: var(--surface-2);
  border-color: var(--border-glow);
  box-shadow: 0 4px 16px rgba(99,102,241,0.15);
}

.plan-badge {
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--grad-annual);
  color: #fff;
  font-size: 0.65rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 100px;
  white-space: nowrap;
  letter-spacing: 0.5px;
}

.plan-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text);
}

.plan-price-mini {
  font-size: 1.3rem;
  font-weight: 900;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Plan Content */
.plan-details { text-align: center; }
.plan-details.hidden { display: none; }

.plan-context {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 10px;
}

.price-container {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 14px;
  margin-bottom: 10px;
}

.strike {
  font-size: 1.2rem;
  color: var(--danger);
  text-decoration: line-through;
  font-weight: 600;
  opacity: 0.8;
}

.price {
  font-size: 5.5rem;
  font-weight: 900;
  line-height: 1;
  letter-spacing: -3px;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.price-cents {
  font-size: 2.5rem;
  letter-spacing: -1px;
}

.price-sub {
  color: var(--success);
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

/* CTA Button */
.btn {
  display: block;
  width: 100%;
  padding: 22px;
  margin-top: 28px;
  text-align: center;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 800;
  border-radius: 12px;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  letter-spacing: -0.3px;
  line-height: 1;
}

.btn-primary {
  background: var(--success);
  color: #fff;
  box-shadow: 0 10px 30px rgba(16, 185, 129, 0.35);
}

.btn-primary:hover {
  background: #059669;
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(16, 185, 129, 0.5);
}

.btn-annual {
  background: linear-gradient(135deg, #f59e0b, #ef4444);
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.3);
}

.btn-annual:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px rgba(245, 158, 11, 0.45);
  filter: brightness(1.05);
}

.btn-secondary {
  background: rgba(99, 102, 241, 0.15);
  color: #a5b4fc;
  border: 1px solid rgba(99, 102, 241, 0.3);
}

.btn-secondary:hover {
  background: rgba(99, 102, 241, 0.25);
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(99, 102, 241, 0.15);
}

.secure-checkout {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 18px;
  font-size: 0.8rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  text-align: center;
  line-height: 1.5;
}

/* ═══ SECTION UTILITIES ═══ */
.section-label {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.1;
  margin-bottom: 48px;
}

/* ═══ FEATURES GRID ═══ */
.features-section {
  margin: 100px 0 80px;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 24px;
  text-align: left;
  transition: border-color 0.2s, transform 0.2s;
}

.feature-card:hover {
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-3px);
}

.feature-icon {
  font-size: 2rem;
  margin-bottom: 14px;
  display: block;
}

.feature-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: #fff;
}

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

/* Tokens Bar */
.tokens-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  background: rgba(245, 158, 11, 0.06);
  border: 1px solid rgba(245, 158, 11, 0.18);
  border-radius: 12px;
  padding: 18px 32px;
  flex-wrap: wrap;
  font-size: 0.9rem;
  color: #fcd34d;
}

.token-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: #f59e0b;
  display: inline-block;
  flex-shrink: 0;
}

.token-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.token-divider {
  color: rgba(245, 158, 11, 0.4);
  font-size: 1.2rem;
}

/* ═══ COMPARISON ═══ */
.comparison {
  margin: 80px 0;
  text-align: center;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  text-align: left;
}

.comp-card {
  background: var(--surface);
  border-radius: 18px;
  padding: 32px;
  border: 1px solid var(--border);
}

.comp-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
}

.comp-icon-emoji { font-size: 1.5rem; }

.comp-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.comp-card.bad { border-top: 3px solid var(--danger); }
.comp-card.good {
  border-top: 3px solid var(--success);
  transform: scale(1.03);
  box-shadow: 0 12px 40px rgba(16, 185, 129, 0.1);
}

.comp-list { list-style: none; }
.comp-list li {
  padding: 10px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.95rem;
}
.comp-card.bad  .comp-list li { color: #fca5a5; }
.comp-card.good .comp-list li { color: #6ee7b7; font-weight: 600; }

/* ═══ HOW IT WORKS ═══ */
.how-it-works {
  margin: 80px 0;
  text-align: center;
}

.steps-grid {
  display: flex;
  align-items: center;
  gap: 0;
  justify-content: center;
  margin-bottom: 32px;
  flex-wrap: wrap;
  gap: 8px;
}

.step-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px 24px;
  flex: 1;
  min-width: 200px;
  max-width: 280px;
  text-align: center;
}

.step-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 14px;
}

.step-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.step-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.step-arrow {
  font-size: 1.8rem;
  color: var(--accent);
  flex-shrink: 0;
  opacity: 0.5;
}

.how-note {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.18);
  color: #6ee7b7;
  padding: 14px 24px;
  border-radius: 12px;
  font-size: 0.9rem;
  max-width: 680px;
  line-height: 1.5;
  text-align: left;
}

.how-note strong { color: #a7f3d0; }

/* ═══ OBJECTIONS ═══ */
.objections-section {
  margin: 80px 0;
  text-align: center;
}

.objection-killers {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  text-align: left;
}

.obj-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 30px;
  border-radius: 16px;
  transition: border-color 0.2s;
}

.obj-card:hover { border-color: rgba(99, 102, 241, 0.2); }

.obj-card h4 {
  font-size: 1.05rem;
  color: #e2e8f0;
  margin-bottom: 12px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  line-height: 1.4;
}

.obj-card h4 svg { flex-shrink: 0; margin-top: 2px; }

.obj-card p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.obj-card p strong { color: #c7d2fe; }

/* ═══ TESTIMONIALS ═══ */
.testimonials-section {
  margin: 80px 0;
  text-align: center;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  text-align: left;
}

.testimonial-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 28px;
}

.stars {
  color: #f59e0b;
  font-size: 1rem;
  letter-spacing: 2px;
  margin-bottom: 14px;
}

.testimonial-card > p {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-card > p::before { content: '"'; }
.testimonial-card > p::after  { content: '"'; }

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--grad-main);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  font-weight: 700;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.9rem;
  color: #fff;
}

.testimonial-author span {
  font-size: 0.78rem;
  color: var(--text-dim);
}

/* ═══ GUARANTEE ═══ */
.guarantee-section {
  text-align: center;
  background: var(--grad-glow);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: 24px;
  padding: 56px 40px;
  margin: 80px 0;
}

.guarantee-icon {
  font-size: 3.5rem;
  margin-bottom: 20px;
  display: block;
}

.guarantee-section h2 {
  font-size: 2rem;
  font-weight: 900;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}

.guarantee-section p {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

.guarantee-section p strong { color: #a5b4fc; }

/* ═══ FINAL CTA ═══ */
.final-cta {
  text-align: center;
  margin: 80px 0 100px;
}

.final-plans {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
  text-align: left;
}

.final-plan-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}

.final-plan-card.featured {
  border-color: rgba(99, 102, 241, 0.4);
  box-shadow: 0 0 0 1px rgba(99,102,241,0.1), 0 20px 50px rgba(99,102,241,0.1);
}

.final-plan-card.featured::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--grad-main);
}

.featured-label {
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.final-plan-card h3 {
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.final-price {
  margin-bottom: 24px;
}

.final-price-old {
  display: block;
  font-size: 0.85rem;
  color: var(--danger);
  text-decoration: line-through;
  margin-bottom: 4px;
  opacity: 0.8;
}

.final-price-main {
  display: block;
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: -2px;
  line-height: 1;
  background: var(--grad-main);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 4px;
}

.final-price-note {
  display: block;
  font-size: 0.85rem;
  color: var(--success);
  font-weight: 600;
}

.final-features {
  list-style: none;
  margin-bottom: 28px;
}

.final-features li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 0.9rem;
  color: #cbd5e1;
}

.final-features li strong { color: #a5b4fc; }
.final-features li.spacer { border: none; padding: 2px; }

.final-note {
  font-size: 0.82rem;
  color: var(--text-dim);
  margin-top: 8px;
}

/* ═══ FOOTER ═══ */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 40px 24px;
  text-align: center;
}

.footer-inner {
  max-width: 800px;
  margin: 0 auto;
  font-size: 0.78rem;
  color: var(--text-dim);
  line-height: 1.7;
}

/* ═══════════════════════════════════════════
   RESPONSIVE — TABLET & MOBILE
   ═══════════════════════════════════════════ */
@media (max-width: 900px) {
  .features-grid { grid-template-columns: 1fr 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
  .final-plans { grid-template-columns: 1fr; }
  .final-plan-card.featured { order: -1; }
}

@media (max-width: 700px) {
  .container { padding: 0 16px; }

  .site-header { padding: 12px 16px; }
  .header-cta { padding: 9px 16px; font-size: 0.82rem; }

  .hero { padding: 48px 0 32px; }
  .hero h1 { font-size: 2.6rem; letter-spacing: -1.5px; }
  .hero-sub { font-size: 1.05rem; }

  .trust-row { gap: 8px; }
  .trust-item { font-size: 0.8rem; padding: 7px 12px; flex: 1 1 calc(50% - 8px); justify-content: center; }

  .buy-box { padding: 24px 18px; border-radius: 18px; }
  .plan-selector { padding: 6px; gap: 8px; }
  .plan-tab { padding: 12px 8px; }
  .price { font-size: 4rem; letter-spacing: -2px; }
  .price-cents { font-size: 2rem; }
  .btn { font-size: 1.1rem; padding: 20px; }
  .secure-checkout { font-size: 0.72rem; }

  .section-title { font-size: 2rem; letter-spacing: -1px; margin-bottom: 32px; }

  .features-grid { grid-template-columns: 1fr; gap: 14px; }
  .tokens-bar { flex-direction: column; gap: 10px; padding: 18px 20px; text-align: center; }
  .token-divider { display: none; }

  .comparison { margin: 60px 0; }
  .comparison-grid { grid-template-columns: 1fr; gap: 14px; }
  .comp-card.good { transform: none; }

  .steps-grid { flex-direction: column; align-items: stretch; }
  .step-arrow { transform: rotate(90deg); text-align: center; }
  .step-card { max-width: 100%; }

  .objection-killers { grid-template-columns: 1fr; gap: 14px; }
  .obj-card { padding: 24px 20px; }

  .guarantee-section { padding: 40px 24px; }
  .guarantee-section h2 { font-size: 1.6rem; }

  .final-plans { grid-template-columns: 1fr; }
  .final-plan-card { padding: 28px 24px; }
  .final-price-main { font-size: 2.8rem; }
}

@media (max-width: 400px) {
  .hero h1 { font-size: 2.1rem; }
  .badge-pill { font-size: 0.78rem; padding: 5px 14px; }
  .trust-item { flex: 1 1 100%; }
}