/* ─── Reset + Temel Değişkenler ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

:root {
  --accent: #0d9488;
  --accent-2: #14b8a6;
  --accent-dark: #0f766e;
  --ink: #0f172a;
  --ink-2: #334155;
  --ink-3: #64748b;
  --muted: #94a3b8;
  --border: #e2e8f0;
  --bg: #ffffff;
  --bg-soft: #f8fafc;
  --bg-tinted: #f0fdfa;
  --success: #16a34a;
  --warning: #ca8a04;
  --danger: #dc2626;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.06), 0 1px 2px rgba(15,23,42,0.04);
  --shadow-md: 0 10px 25px -5px rgba(15,23,42,0.08), 0 4px 6px -2px rgba(15,23,42,0.04);
  --shadow-lg: 0 25px 50px -12px rgba(15,23,42,0.18);
  --shadow-accent: 0 10px 30px -5px rgba(13,148,136,0.35);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
button { font: inherit; cursor: pointer; border: 0; background: none; }
ul { list-style: none; }

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ─── Tipografi ──────────────────────────────────────────────────────────── */
h1, h2, h3, h4 {
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--ink);
}
h1 { font-size: clamp(36px, 6vw, 64px); line-height: 1.08; font-weight: 900; }
h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.15; }
h3 { font-size: 20px; line-height: 1.3; }
h4 { font-size: 16px; line-height: 1.3; }

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Buton ──────────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  transition: all var(--transition);
  cursor: pointer;
}
.btn-lg { padding: 14px 26px; font-size: 16px; border-radius: 14px; }
.btn-block { width: 100%; }

.btn-primary {
  background: var(--ink);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  background: var(--ink-2);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--bg-soft);
  border-color: var(--ink-3);
}

/* ─── Logo ───────────────────────────────────────────────────────────────── */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  letter-spacing: -0.02em;
}
.logo-mark {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  border-radius: 9px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(13,148,136,0.35);
}
.logo-accent { color: var(--accent); }

/* ─── Header ─────────────────────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 24px;
  gap: 32px;
}
.site-nav {
  display: flex;
  gap: 28px;
  flex: 1;
  justify-content: center;
}
.site-nav a {
  font-weight: 500;
  font-size: 14px;
  color: var(--ink-2);
}
.site-nav a:hover { color: var(--accent); }
.header-cta {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* ─── Hero ───────────────────────────────────────────────────────────────── */
.hero {
  position: relative;
  padding: 80px 0 60px;
  overflow: hidden;
}
.hero-bg-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: 0.5;
  z-index: 0;
  pointer-events: none;
}
.hero-bg-blob-1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, #5eead4 0%, transparent 70%);
  top: -100px; left: -150px;
}
.hero-bg-blob-2 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #fbcfe8 0%, transparent 70%);
  top: 100px; right: -200px;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(13,148,136,0.1);
  color: var(--accent-dark);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  border: 1px solid rgba(13,148,136,0.2);
}
.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(13,148,136,0.3);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(13,148,136,0.3); }
  50% { box-shadow: 0 0 0 8px rgba(13,148,136,0.1); }
}
.hero h1 { margin-bottom: 24px; }
.hero-lead {
  font-size: clamp(16px, 2vw, 19px);
  color: var(--ink-2);
  max-width: 720px;
  margin: 0 auto 36px;
  line-height: 1.6;
}
.hero-ctas {
  display: flex;
  gap: 12px;
  justify-content: center;
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.hero-microbenefits {
  display: flex;
  gap: 24px;
  justify-content: center;
  font-size: 13px;
  color: var(--ink-3);
  margin-bottom: 60px;
  flex-wrap: wrap;
}

/* ─── Mock Window (Hero görsel) ──────────────────────────────────────────── */
.hero-visual {
  position: relative;
  z-index: 1;
  max-width: 1000px;
  margin: 0 auto;
  perspective: 1500px;
}
.mock-window {
  background: #fff;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transform: rotateX(2deg);
}
.mock-window-bar {
  background: var(--bg-soft);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border);
}
.mock-window-bar > span {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--border);
}
.mock-window-bar > span:nth-child(1) { background: #ff5f56; }
.mock-window-bar > span:nth-child(2) { background: #ffbd2e; }
.mock-window-bar > span:nth-child(3) { background: #27c93f; }
.mock-window-url {
  margin: 0 auto;
  padding: 4px 14px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 12px;
  color: var(--ink-3);
  font-family: 'SF Mono', Monaco, monospace;
}
.mock-window-body {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: 380px;
}
.mock-sidebar {
  background: var(--bg-soft);
  padding: 16px;
  border-right: 1px solid var(--border);
}
.mock-sidebar-item {
  padding: 10px 12px;
  font-size: 13px;
  color: var(--ink-2);
  border-radius: 8px;
  margin-bottom: 4px;
  font-weight: 500;
}
.mock-sidebar-item.active {
  background: rgba(13,148,136,0.1);
  color: var(--accent-dark);
  font-weight: 600;
}
.mock-content { padding: 20px; }
.mock-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr 1.2fr 1.4fr;
  gap: 12px;
  padding: 14px 12px;
  border-bottom: 1px solid var(--bg-soft);
  font-size: 14px;
  color: var(--ink-2);
}
.mock-row-header {
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
}
.mock-pill {
  display: inline-flex;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.mock-pill-blue { background: #dbeafe; color: #1e40af; }
.mock-pill-green { background: #dcfce7; color: #166534; }
.mock-pill-yellow { background: #fef3c7; color: #854d0e; }
.mock-pill-purple { background: #f3e8ff; color: #6b21a8; }
.mock-tracking {
  font-family: 'SF Mono', Monaco, monospace;
  font-size: 12px;
  color: var(--ink-3);
}

/* ─── Sorun → Çözüm ─────────────────────────────────────────────────────── */
.problem-solution {
  padding: 100px 0;
  background: var(--bg-soft);
}
.ps-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.ps-col {
  background: #fff;
  padding: 36px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.ps-title {
  font-size: 24px;
  margin-bottom: 20px;
  font-weight: 800;
}
.ps-title-bad { color: var(--danger); }
.ps-title-good { color: var(--success); }
.ps-list { display: flex; flex-direction: column; gap: 14px; }
.ps-list li {
  padding-left: 28px;
  position: relative;
  color: var(--ink-2);
  line-height: 1.6;
  font-size: 15px;
}
.ps-list-bad li::before {
  content: '✗';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--danger);
  font-weight: 700;
  font-size: 16px;
}
.ps-list-good li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--success);
  font-weight: 700;
  font-size: 16px;
}

/* ─── Section Head (genel) ──────────────────────────────────────────────── */
.section-head {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 60px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-sub {
  font-size: 17px;
  color: var(--ink-2);
  margin-top: 16px;
  line-height: 1.6;
}

/* ─── Features ───────────────────────────────────────────────────────────── */
.features { padding: 100px 0; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 32px 28px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: all var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent-2);
}
.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
}
.feature-icon-1 { background: #ccfbf1; }
.feature-icon-2 { background: #dbeafe; }
.feature-icon-3 { background: #fef3c7; }
.feature-icon-4 { background: #dcfce7; }
.feature-icon-5 { background: #f3e8ff; }
.feature-icon-6 { background: #fce7f3; }
.feature-icon-7 { background: #e0e7ff; }
.feature-icon-8 { background: #fed7aa; }
.feature-icon-9 { background: #fecaca; }
.feature-card h3 { margin-bottom: 10px; }
.feature-card p { color: var(--ink-2); font-size: 15px; line-height: 1.6; }

/* ─── How it works ───────────────────────────────────────────────────────── */
.how-it-works {
  padding: 100px 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-tinted) 100%);
}
.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  position: relative;
}
.how-step {
  background: #fff;
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.how-step-num {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 800;
  margin-bottom: 20px;
  box-shadow: var(--shadow-accent);
}
.how-step h3 { margin-bottom: 12px; }
.how-step p { color: var(--ink-2); font-size: 15px; margin-bottom: 20px; }
.how-step-visual {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px dashed var(--border);
}

/* ─── Pricing ────────────────────────────────────────────────────────────── */
.pricing { padding: 100px 0; background: var(--bg-soft); }
.price-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}
.price-card {
  background: #fff;
  padding: 36px 28px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  position: relative;
  transition: all var(--transition);
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.price-card h3 {
  font-size: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-3);
  margin-bottom: 16px;
}
.price {
  font-size: 42px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 4px;
  letter-spacing: -0.03em;
}
.price-period { font-size: 16px; color: var(--ink-3); font-weight: 500; }
.price-limit {
  font-weight: 600;
  color: var(--accent-dark);
  margin-bottom: 14px;
}
.price-desc {
  font-size: 14px;
  color: var(--ink-3);
  margin-bottom: 24px;
  line-height: 1.5;
}
.price-card-popular {
  border: 2px solid var(--accent);
  transform: scale(1.05);
  box-shadow: var(--shadow-accent);
}
.price-card-popular:hover { transform: scale(1.05) translateY(-4px); }
.popular-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: #fff;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.price-features {
  background: #fff;
  padding: 40px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.price-features h3 {
  text-align: center;
  margin-bottom: 24px;
  font-size: 18px;
}
.price-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  font-size: 14px;
  color: var(--ink-2);
}

/* ─── FAQ ────────────────────────────────────────────────────────────────── */
.faq { padding: 100px 0; }
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: var(--accent-2); }
.faq-item summary {
  padding: 20px 24px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  position: relative;
  padding-right: 50px;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 24px;
  font-weight: 300;
  color: var(--accent);
  transition: transform var(--transition);
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item p {
  padding: 0 24px 20px;
  color: var(--ink-2);
  line-height: 1.7;
}
.faq-item a { color: var(--accent); text-decoration: underline; }

/* ─── Final CTA ──────────────────────────────────────────────────────────── */
.cta-final {
  padding: 100px 24px;
  background: linear-gradient(135deg, var(--ink) 0%, #1e293b 100%);
  color: #fff;
  text-align: center;
  margin: 0 24px;
  border-radius: 32px;
  margin-bottom: 80px;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at 30% 30%, rgba(13,148,136,0.3) 0%, transparent 50%),
              radial-gradient(circle at 70% 70%, rgba(20,184,166,0.2) 0%, transparent 50%);
  z-index: 0;
}
.cta-final > .container { position: relative; z-index: 1; }
.cta-final h2 {
  color: #fff;
  margin-bottom: 16px;
  font-size: clamp(28px, 4vw, 40px);
}
.cta-final p {
  font-size: 17px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 32px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}
.cta-final .btn-primary {
  background: var(--accent);
  font-size: 16px;
  padding: 16px 32px;
}
.cta-final .btn-primary:hover { background: var(--accent-2); }
.cta-microbenefits {
  margin-top: 20px !important;
  font-size: 13px !important;
}

/* ─── Footer ─────────────────────────────────────────────────────────────── */
.site-footer {
  background: var(--bg-soft);
  padding: 60px 0 30px;
  border-top: 1px solid var(--border);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  font-size: 13px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  color: var(--ink-2);
  font-size: 14px;
  padding: 4px 0;
}
.footer-col a:hover { color: var(--accent); }
.footer-tag {
  color: var(--ink-3);
  font-size: 14px;
  margin-top: 12px;
  max-width: 320px;
  line-height: 1.6;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: var(--ink-3);
}

/* ─── Mobile responsive ──────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .container { padding: 0 16px; }
  .site-nav { display: none; }
  .header-cta .btn-ghost { display: none; }
  .hero { padding: 50px 0 40px; }
  .hero-microbenefits { gap: 12px; font-size: 12px; }
  .mock-window-body { grid-template-columns: 1fr; }
  .mock-sidebar { display: none; }
  .mock-row { grid-template-columns: 1fr 1fr; font-size: 12px; }
  .mock-row > div:nth-child(4) { display: none; }
  .ps-grid { grid-template-columns: 1fr; gap: 20px; }
  .ps-col { padding: 24px; }
  .feature-grid { grid-template-columns: 1fr; gap: 16px; }
  .how-grid { grid-template-columns: 1fr; gap: 20px; }
  .price-grid { grid-template-columns: 1fr; gap: 16px; }
  .price-card-popular { transform: none; }
  .price-card-popular:hover { transform: translateY(-4px); }
  .price-features-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .cta-final { margin: 0 16px 50px; border-radius: 24px; padding: 60px 24px; }
  .features, .pricing, .faq, .how-it-works, .problem-solution { padding: 60px 0; }
}