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

:root {
  --bg: #050816;
  --bg-soft: #070b1e;
  --bg-softer: #0b1024;
  --border-soft: rgba(148, 163, 184, 0.4);
  --primary: #6366f1;
  --primary-soft: #4f46e5;
  --primary-strong: #7c3aed;
  --accent: #22d3ee;
  --text-main: #f9fafb;
  --text-soft: #9ca3af;
  --danger: #ef4444;
  --radius-lg: 18px;
  --radius-md: 12px;
  --shadow-soft: 0 20px 40px rgba(15, 23, 42, 0.6);
  --shadow-card: 0 18px 45px rgba(15, 23, 42, 0.65);
}

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", "Inter", sans-serif;
  background: radial-gradient(circle at top, #111827 0, #020617 55%, #020617 100%);
  color: var(--text-main);
  min-height: 100%;
}

body {
  line-height: 1.5;
}

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

img {
  max-width: 100%;
  display: block;
}

/* Layout helpers */

.page-wrap {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.page {
  flex: 1 0 auto;
}

.container {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 40px 0;
}

.section-header {
  margin-bottom: 18px;
}

.section-kicker {
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}

.section-title {
  font-size: 26px;
  margin: 6px 0;
  letter-spacing: -0.03em;
}

.section-subtitle {
  font-size: 14px;
  color: var(--text-soft);
  max-width: 540px;
}

/* Header + mega menu */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(16px);
  background: radial-gradient(circle at top left, rgba(15,23,42,0.96) 0, rgba(2,6,23,0.98) 40%, rgba(2,6,23,0.98) 100%);
  border-bottom: 1px solid rgba(15,23,42,0.9);
}

.site-header-inner{max-width:1180px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;gap:20px;}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
}

.brand-logo {
  height: 42px;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-main {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.brand-sub {
  font-size: 11px;
  color: var(--text-soft);
}

.main-nav {
  margin-left: 30px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.nav-item {
  position: relative;
}

.nav-link,
.nav-link-btn {
  border-radius: 999px;
  padding: 7px 12px;
  font-size: 13px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-soft);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.16s ease, color 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease, transform 0.12s ease;
}

.nav-link:hover,
.nav-link-btn:hover {
  background: rgba(15,23,42,0.85);
  color: #e5e7eb;
  transform: translateY(-1px);
}

.nav-link.active {
  background: linear-gradient(135deg, var(--primary-soft), var(--primary-strong));
  color: #fff;
  box-shadow: 0 10px 22px rgba(79,70,229,0.55);
}

.nav-chevron {
  font-size: 10px;
  opacity: 0.7;
}

.header-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Mega menu */

.has-mega .mega-menu {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 110%;
  width: min(760px, 100vw - 40px);
  padding-top: 10px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s ease;
  z-index: 30;
}

.has-mega:hover .mega-menu,
.has-mega:focus-within .mega-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(2px);
}

.mega-panel {
  border-radius: 18px;
  border: 1px solid rgba(30,64,175,0.8);
  background: radial-gradient(circle at top left,#0b1120 0,#020617 50%,#020617 100%);
  box-shadow: 0 28px 70px rgba(15,23,42,0.9);
  padding: 16px 16px 14px;
}

.mega-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 14px;
}

.mega-main-cols {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 10px;
}

.mega-col-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #a5b4fc;
  margin-bottom: 4px;
}

.mega-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 7px 9px;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: background 0.16s ease, border-color 0.16s ease, transform 0.12s ease;
  cursor: pointer;
}

.mega-link:hover {
  background: radial-gradient(circle at top left,rgba(79,70,229,0.16) 0,transparent 55%);
  border-color: rgba(79,70,229,0.65);
  transform: translateY(-1px);
}

.mega-link-title {
  font-size: 13px;
  font-weight: 500;
}

.mega-link-desc {
  font-size: 11px;
  color: var(--text-soft);
}

.mega-highlight {
  border-radius: 14px;
  border: 1px solid rgba(56,189,248,0.6);
  background: radial-gradient(circle at top,#0e7490 0,#022c22 40%,#020617 100%);
  padding: 10px 10px 9px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mega-highlight-kicker {
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #a5f3fc;
}

.mega-highlight-title {
  font-size: 13px;
  font-weight: 600;
}

.mega-highlight-desc {
  font-size: 11px;
  color: #e0f2fe;
}

/* Buttons */

.btn{border-radius:999px;border:1px solid rgba(148,163,184,0.7);padding:6px 12px;font-size:12px;background:transparent;color:var(--text-main);cursor:pointer;display:inline-flex;align-items:center;gap:6px;transition:background .16s ease,color .16s ease,box-shadow .16s ease,border-color .16s ease,transform .12s ease;}

.btn:hover {
  background: rgba(15,23,42,0.85);
  transform: translateY(-1px);
}

.btn-primary {
  border: none;
  background: linear-gradient(135deg,var(--primary-soft),var(--primary-strong));
  box-shadow: 0 18px 38px rgba(79,70,229,0.65);
}

.btn-primary:hover {
  background: linear-gradient(135deg,#4f46e5,#6366f1);
}

.btn-ghost {
  background: rgba(15,23,42,0.4);
}

/* Hero */

.hero {
  padding: 40px 0 38px;
}

.hero-inner {
  display: grid;
  grid-template-columns: minmax(0,1.3fr) minmax(0,1fr);
  gap: 26px;
  align-items: center;
}

.hero-kicker {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 8px;
}

.hero-title {
  font-size: 32px;
  line-height: 1.05;
  letter-spacing: -0.05em;
  margin-bottom: 10px;
}

.hero-highlight {
  color: #a5b4fc;
}

.hero-subtitle {
  font-size: 14px;
  color: var(--text-soft);
  max-width: 520px;
  margin-bottom: 14px;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  font-size: 11px;
  color: var(--text-soft);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.hero-meta-dot {
  width: 5px;
  height: 5px;
  border-radius: 999px;
  background: var(--accent);
}

/* Funnel visual */

.hero-visual {
  position: relative;
  justify-self: center;
}

.funnel-card {
  border-radius: 22px;
  border: 1px solid rgba(55,65,81,0.95);
  background: radial-gradient(circle at top,#020617 0,#020617 35%,#020617 100%);
  box-shadow: 0 28px 60px rgba(15,23,42,0.95);
  padding: 18px 16px 14px;
  width: min(420px, 100%);
  position: relative;
}

.funnel-tag {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-soft);
  margin-bottom: 7px;
}

.funnel-image-wrap {
  position: relative;
}

.funnel-image {
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
}

.coin-stream {
  position: absolute;
  left: 50%;
  bottom: 4px;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.coin {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  background-image: url("assets/coin-tl.png");
  background-size: cover;
  background-position: center;
  box-shadow: 0 8px 16px rgba(250,204,21,0.45);
}

/* Cards & grids */

.card {
  border-radius: 18px;
  border: 1px solid var(--border-soft);
  background: radial-gradient(circle at top left,#020617 0,#020617 60%,#020617 100%);
  box-shadow: var(--shadow-card);
  padding: 16px 14px 16px;
}

.card-kicker {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 6px;
}

.card-title {
  font-size: 17px;
  margin-bottom: 6px;
}

.card-body {
  font-size: 13px;
  color: var(--text-soft);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 14px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 14px;
}

/* Infographic / steps */

.steps-row {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 14px;
  margin-top: 10px;
}

.step-card {
  border-radius: 16px;
  border: 1px dashed rgba(148,163,184,0.8);
  background: radial-gradient(circle at top,#020617 0,#020617 55%,#020617 100%);
  padding: 12px 11px 12px;
  font-size: 13px;
}

.step-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  margin-bottom: 5px;
  color: var(--accent);
}

.step-badge span {
  width: 20px;
  height: 20px;
  border-radius: 999px;
  border: 1px solid rgba(56,189,248,0.8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
}

/* Timeline style */

.timeline {
  margin-top: 12px;
  border-radius: 18px;
  border: 1px solid rgba(55,65,81,0.9);
  background: radial-gradient(circle at top,#020617 0,#020617 50%,#020617 100%);
  padding: 12px 14px 12px;
  font-size: 13px;
}

.timeline-row {
  display: grid;
  grid-template-columns: auto minmax(0,1fr);
  gap: 8px 10px;
  align-items: flex-start;
}

.timeline-dot {
  width: 9px;
  height: 9px;
  border-radius: 999px;
  background: var(--accent);
  margin-top: 6px;
}

.timeline-item-title {
  font-weight: 500;
}

.timeline-item-desc {
  color: var(--text-soft);
  font-size: 12px;
}

/* Pricing teaser */

.pricing-snippet {
  display: grid;
  grid-template-columns: repeat(3,minmax(0,1fr));
  gap: 14px;
  margin-top: 10px;
}

.price-card {
  border-radius: 14px;
  border: 1px solid rgba(55,65,81,0.9);
  background: radial-gradient(circle at top,#020617 0,#020617 55%,#020617 100%);
  padding: 11px 11px 12px;
  font-size: 13px;
}

.price-name {
  font-weight: 500;
  margin-bottom: 4px;
}

.price-value {
  font-size: 18px;
  font-weight: 600;
}

/* Footer */

.site-footer {
  flex-shrink: 0;
  border-top: 1px solid rgba(15,23,42,0.9);
  background: radial-gradient(circle at top, #020617 0, #000 60%);
  padding: 16px 0 18px;
  font-size: 11px;
  color: var(--text-soft);
}

.footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  justify-content: space-between;
}

/* Responsive */

@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: minmax(0,1fr);
  }
  .site-header-inner{max-width:1180px;margin:0 auto;padding:16px 24px;display:flex;align-items:center;gap:20px;}
  .main-nav {
    display: none; /* simple: collapse mega nav on mobile */
  }
  .header-actions {
    margin-left: auto;
  }
}

@media (max-width: 720px) {
  .grid-3,
  .steps-row,
  .pricing-snippet {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }
}

@media (max-width: 520px) {
  .grid-3,
  .steps-row,
  .pricing-snippet,
  .grid-2 {
    grid-template-columns: minmax(0,1fr);
  }
  .hero-title {
    font-size: 24px;
  }
}

/* === Light theme overrides === */
:root {
  --bg: #f5f5f7;
  --bg-soft: #ffffff;
  --bg-softer: #f9fafb;
  --border-soft: rgba(148, 163, 184, 0.3);
  --text-main: #0f172a;
  --text-soft: #6b7280;
  --shadow-soft: 0 18px 34px rgba(15, 23, 42, 0.12);
  --shadow-card: 0 18px 38px rgba(15, 23, 42, 0.10);
}

html, body {
  background: radial-gradient(circle at top, #ffffff 0, #f3f4f6 40%, #e5e7eb 100%);
  color: var(--text-main);
}

.site-header {
  backdrop-filter: blur(18px);
  background: rgba(255,255,255,0.94);
  border-bottom: 1px solid #e5e7eb;
}

.card {
  background: linear-gradient(145deg,#ffffff,#f9fafb);
  border-color: rgba(148,163,184,0.35);
  box-shadow: 0 18px 38px rgba(15,23,42,0.10);
}

.step-card,
.timeline,
.price-card {
  background: #ffffff;
  border-color: rgba(148,163,184,0.35);
  box-shadow: 0 16px 32px rgba(15,23,42,0.06);
}

.hero {
  background: radial-gradient(circle at top,#ffffff 0,#eef2ff 42%,#e5e7eb 100%);
}

.funnel-card {
  background: linear-gradient(145deg,#ffffff,#f9fafb);
  border-color: rgba(148,163,184,0.4);
  box-shadow: 0 22px 48px rgba(15,23,42,0.16);
}

.site-footer {
  background: #f9fafb;
  border-top: 1px solid #e5e7eb;
  color: var(--text-soft);
}

.header-actions .btn{
  padding:5px 11px;
  font-size:11px;
  white-space:nowrap;
}

/* Hizmetlerimiz mega menüsü için basit grid */
.mega-grid.mega-grid-simple{
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
}

/* === Full light theme hard override === */
body{
  background:#f5f5f7;
  color:var(--text-main);
}
.page-wrap{
  background:transparent;
}
.page{
  background:transparent;
}
section{
  background:transparent;
}
.hero{
  background:radial-gradient(circle at top,#ffffff 0,#eef2ff 42%,#e5e7eb 100%);
}
.mega-menu{
  background:transparent;
}
.mega-panel{
  background:#ffffff;
  border:1px solid #e5e7eb;
  box-shadow:0 18px 40px rgba(15,23,42,0.12);
}
.mega-link{
  background:transparent;
}
.site-header{
  background:rgba(255,255,255,0.96);
}

.header-auth-btn{
  padding:6px 14px;
  font-size:12px;
}