/**
 * Landing page — premium fintech SaaS dili
 * Stripe / Linear / Paraşüt seviyesi sade ve etkili.
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, system-ui, sans-serif;
  background: #ffffff;
  color: #0f172a;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

.lp-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Header ─── */
.lp-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: all 0.2s ease;
}
.lp-header.is-scrolled { border-color: rgba(15, 23, 42, 0.08); box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05); }
.lp-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.lp-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -0.02em;
}
.lp-brand-mark {
  width: 32px; height: 32px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #6366f1, #4338ca);
  color: #fff;
  border-radius: 8px;
  font-weight: 800;
  font-size: 16px;
  box-shadow: 0 4px 8px rgba(99, 102, 241, 0.25);
}
.lp-brand-sub { color: #64748b; font-weight: 500; }
.lp-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.lp-nav-link {
  padding: 8px 14px;
  font-size: 14px;
  font-weight: 500;
  color: #475569;
  border-radius: 6px;
  transition: all 0.15s ease;
}
.lp-nav-link:hover { color: #0f172a; background: #f1f5f9; }
.lp-nav-link.is-cta {
  background: #4f46e5;
  color: #fff;
  font-weight: 600;
}
.lp-nav-link.is-cta:hover { background: #4338ca; color: #fff; }

/* ─── Hero ─── */
.lp-hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.lp-hero::before {
  content: "";
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 1200px; height: 600px;
  background: radial-gradient(ellipse, rgba(99, 102, 241, 0.18) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}
.lp-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  z-index: 1;
}
.lp-hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: #eef2ff;
  color: #4338ca;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
}
.lp-hero-eyebrow::before {
  content: "";
  width: 8px; height: 8px;
  background: #6366f1;
  border-radius: 50%;
  animation: lp-pulse 2s infinite;
}
@keyframes lp-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.lp-hero h1 {
  font-size: clamp(38px, 5.5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin-bottom: 20px;
  background: linear-gradient(180deg, #0f172a 0%, #334155 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.lp-hero h1 .accent {
  background: linear-gradient(135deg, #6366f1, #8b5cf6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.lp-hero p {
  font-size: 18px;
  color: #475569;
  max-width: 520px;
  margin-bottom: 32px;
  line-height: 1.6;
}
.lp-hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}
.lp-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  font-size: 15px;
  font-weight: 600;
  border-radius: 10px;
  transition: all 0.15s ease;
  border: 1px solid transparent;
  cursor: pointer;
}
.lp-btn-primary {
  background: #0f172a;
  color: #fff;
  box-shadow: 0 4px 12px rgba(15, 23, 42, 0.18);
}
.lp-btn-primary:hover { background: #1e293b; transform: translateY(-1px); box-shadow: 0 6px 16px rgba(15, 23, 42, 0.25); color: #fff; }
.lp-btn-ghost {
  background: transparent;
  color: #0f172a;
  border-color: #e2e8f0;
}
.lp-btn-ghost:hover { border-color: #94a3b8; background: #f8fafc; }

.lp-hero-meta {
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: #64748b;
  align-items: center;
}
.lp-hero-meta::before {
  content: "✓"; color: #059669; font-weight: 700;
}

/* ─── Hero mockup ─── */
.lp-hero-mockup {
  position: relative;
  animation: lp-float 6s ease-in-out infinite;
}
@keyframes lp-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}
.lp-mockup-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 24px;
  box-shadow:
    0 0 0 1px rgba(15, 23, 42, 0.04),
    0 30px 80px -20px rgba(15, 23, 42, 0.25),
    0 12px 40px -12px rgba(99, 102, 241, 0.15);
}
.lp-mockup-head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 16px; margin-bottom: 16px;
  border-bottom: 1px solid #e2e8f0;
}
.lp-mockup-title { font-size: 13px; font-weight: 700; color: #0f172a; }
.lp-mockup-period { font-size: 11px; color: #64748b; padding: 4px 10px; background: #f1f5f9; border-radius: 12px; }
.lp-mockup-kpi {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 16px;
}
.lp-mockup-kpi-card {
  padding: 12px;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
}
.lp-mockup-kpi-card.is-primary {
  background: linear-gradient(135deg, #4f46e5, #4338ca);
  color: #fff;
  border: none;
}
.lp-mockup-kpi-label { font-size: 10px; text-transform: uppercase; letter-spacing: 0.06em; opacity: 0.7; margin-bottom: 4px; }
.lp-mockup-kpi-value { font-size: 20px; font-weight: 800; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; }
.lp-mockup-bar {
  display: flex; align-items: flex-end; gap: 6px;
  height: 80px; padding: 12px;
  background: #f8fafc; border-radius: 10px;
  margin-bottom: 12px;
}
.lp-mockup-bar > div {
  flex: 1;
  background: linear-gradient(180deg, #6366f1, #4338ca);
  border-radius: 3px;
  opacity: 0.85;
}
.lp-mockup-list { display: flex; flex-direction: column; gap: 8px; }
.lp-mockup-list-item {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 10px;
  background: #f8fafc;
  border-radius: 8px;
  font-size: 12px;
}
.lp-mockup-list-item .name { color: #0f172a; font-weight: 500; }
.lp-mockup-list-item .amount { font-variant-numeric: tabular-nums; font-weight: 700; color: #059669; }

/* ─── Trust bar ─── */
.lp-trust {
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
  border-bottom: 1px solid #e2e8f0;
  padding: 20px 0;
}
.lp-trust-row {
  display: flex;
  justify-content: space-around;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 13px;
  color: #64748b;
}
.lp-trust-item {
  display: flex; align-items: center; gap: 8px;
  font-weight: 500;
}
.lp-trust-item strong { color: #0f172a; font-weight: 700; }

/* ─── Section base ─── */
.lp-section {
  padding: 100px 0;
  position: relative;
}
.lp-section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}
.lp-section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: #4338ca;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 14px;
}
.lp-section-head h2 {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 16px;
}
.lp-section-head p {
  font-size: 17px;
  color: #475569;
  line-height: 1.6;
}

/* ─── Features Grid ─── */
.lp-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.lp-feature {
  padding: 28px;
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  transition: all 0.2s ease;
}
.lp-feature:hover {
  border-color: #c7d2fe;
  transform: translateY(-3px);
  box-shadow: 0 12px 24px -10px rgba(99, 102, 241, 0.18);
}
.lp-feature-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  background: #eef2ff;
  color: #4f46e5;
  border-radius: 12px;
  margin-bottom: 18px;
}
.lp-feature-icon svg { width: 22px; height: 22px; }
.lp-feature h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.01em; }
.lp-feature p { font-size: 14px; color: #64748b; line-height: 1.5; }

/* ─── How it works (steps) ─── */
.lp-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
}
.lp-steps::before {
  content: "";
  position: absolute;
  top: 24px;
  left: 12.5%;
  right: 12.5%;
  height: 2px;
  background: linear-gradient(90deg, #c7d2fe, #c7d2fe);
  opacity: 0.5;
  z-index: 0;
}
.lp-step {
  position: relative;
  text-align: center;
  z-index: 1;
}
.lp-step-num {
  width: 48px; height: 48px;
  display: inline-grid; place-items: center;
  background: #fff;
  color: #4f46e5;
  border: 2px solid #c7d2fe;
  border-radius: 50%;
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 16px;
  transition: all 0.2s ease;
}
.lp-step:hover .lp-step-num {
  background: #4f46e5;
  color: #fff;
  border-color: #4f46e5;
  transform: scale(1.1);
}
.lp-step h4 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.lp-step p { font-size: 13px; color: #64748b; line-height: 1.5; }

/* ─── Personas (2-col) ─── */
.lp-personas {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}
.lp-persona {
  padding: 36px;
  border-radius: 20px;
  background: linear-gradient(135deg, #f8fafc, #fff);
  border: 1px solid #e2e8f0;
}
.lp-persona-head {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 22px;
}
.lp-persona-icon {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  background: #eef2ff;
  color: #4f46e5;
  border-radius: 14px;
}
.lp-persona-icon svg { width: 26px; height: 26px; }
.lp-persona h3 { font-size: 22px; font-weight: 700; letter-spacing: -0.01em; margin: 0; }
.lp-persona-subtitle { font-size: 13px; color: #64748b; margin-top: 4px; }
.lp-persona-list {
  list-style: none;
  display: flex; flex-direction: column; gap: 12px;
}
.lp-persona-list li {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 14px;
  color: #334155;
  line-height: 1.5;
}
.lp-persona-list li::before {
  content: "✓";
  color: #059669;
  font-weight: 800;
  flex-shrink: 0;
}

/* ─── Security cards ─── */
.lp-security-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.lp-security {
  padding: 28px;
  background: linear-gradient(135deg, #0f172a, #1e293b);
  color: #fff;
  border-radius: 16px;
}
.lp-security-icon {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: rgba(99, 102, 241, 0.2);
  color: #c7d2fe;
  border-radius: 10px;
  margin-bottom: 18px;
}
.lp-security h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.lp-security p { font-size: 13px; opacity: 0.7; line-height: 1.55; }

/* ─── FAQ ─── */
.lp-faq {
  max-width: 760px;
  margin: 0 auto;
  display: flex; flex-direction: column;
  gap: 12px;
}
.lp-faq-item {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  overflow: hidden;
}
.lp-faq-item summary {
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  color: #0f172a;
  cursor: pointer;
  list-style: none;
  display: flex; justify-content: space-between; align-items: center;
}
.lp-faq-item summary::-webkit-details-marker { display: none; }
.lp-faq-item summary::after {
  content: "+";
  color: #64748b;
  font-size: 20px;
  transition: transform 0.2s;
}
.lp-faq-item[open] summary::after { transform: rotate(45deg); }
.lp-faq-item-body {
  padding: 0 22px 18px;
  color: #475569;
  font-size: 14px;
  line-height: 1.6;
}

/* ─── CTA banner ─── */
.lp-cta {
  margin: 80px auto;
  max-width: 1100px;
  padding: 56px 40px;
  background: linear-gradient(135deg, #4f46e5, #4338ca);
  color: #fff;
  border-radius: 24px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.lp-cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.1) 0%, transparent 50%);
  pointer-events: none;
}
.lp-cta h2 {
  position: relative;
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 14px;
}
.lp-cta p { position: relative; font-size: 17px; opacity: 0.9; max-width: 540px; margin: 0 auto 28px; }
.lp-cta .lp-btn-primary {
  background: #fff;
  color: #0f172a;
  box-shadow: 0 8px 24px rgba(0,0,0,0.18);
}
.lp-cta .lp-btn-primary:hover { background: #f1f5f9; color: #0f172a; }

/* ─── Footer ─── */
.lp-footer {
  background: #0f172a;
  color: #94a3b8;
  padding: 60px 0 30px;
}
.lp-footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.lp-footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; color: #fff; font-weight: 700; font-size: 16px; }
.lp-footer-tag { font-size: 13px; line-height: 1.6; max-width: 320px; }
.lp-footer-col h5 { color: #fff; font-size: 13px; font-weight: 700; margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.06em; }
.lp-footer-col a {
  display: block;
  font-size: 14px;
  color: #94a3b8;
  padding: 4px 0;
  transition: color 0.15s;
}
.lp-footer-col a:hover { color: #fff; }
.lp-footer-bottom {
  border-top: 1px solid #1e293b;
  padding-top: 24px;
  text-align: center;
  font-size: 12px;
}

/* ─── Animations ─── */
.lp-fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.lp-fade-in.is-visible { opacity: 1; transform: translateY(0); }

/* ─── Responsive ─── */
@media (max-width: 1024px) {
  .lp-hero-grid { grid-template-columns: 1fr; }
  .lp-hero-mockup { order: -1; max-width: 480px; margin: 0 auto; }
  .lp-feature-grid { grid-template-columns: repeat(2, 1fr); }
  .lp-steps { grid-template-columns: repeat(2, 1fr); }
  .lp-steps::before { display: none; }
  .lp-personas { grid-template-columns: 1fr; }
  .lp-security-grid { grid-template-columns: repeat(2, 1fr); }
  .lp-footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .lp-hero { padding: 50px 0 70px; }
  .lp-section { padding: 60px 0; }
  .lp-feature-grid, .lp-steps, .lp-security-grid { grid-template-columns: 1fr; }
  .lp-footer-grid { grid-template-columns: 1fr; }
  .lp-nav-links .lp-nav-link:not(.is-cta) { display: none; }
  .lp-cta { margin: 40px 16px; padding: 36px 24px; }
}