/* ============================================================
   MessageHub Landing — Hibrit tema (açık + koyu hero)
   ============================================================ */

:root {
  --lp-primary: #25d366;
  --lp-primary-dark: #075e54;
  --lp-primary-mid: #128c7e;
  --lp-dark: #0b141a;
  --lp-dark-2: #1a2730;
  --lp-text: #1e293b;
  --lp-text-muted: #64748b;
  --lp-bg: #ffffff;
  --lp-bg-soft: #f8fafc;
  --lp-border: #e2e8f0;
  --lp-radius: 14px;
  --lp-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  --lp-shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--lp-text);
  background: var(--lp-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.lp-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}
.lp-narrow { max-width: 800px; }

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: transform 0.12s ease, box-shadow 0.18s ease, background 0.18s ease, opacity 0.18s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--lp-primary);
  color: white;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}
.btn-primary:hover { background: #1fbe5a; box-shadow: 0 6px 20px rgba(37, 211, 102, 0.45); }
.btn-ghost {
  background: transparent;
  color: var(--lp-text);
  border: 1px solid var(--lp-border);
}
.btn-ghost:hover { background: var(--lp-bg-soft); border-color: #cbd5e1; }
.btn-outline {
  background: transparent;
  color: white;
  border: 1.5px solid rgba(255, 255, 255, 0.4);
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.12); border-color: white; }
.btn-large { padding: 15px 30px; font-size: 16px; border-radius: 12px; }

/* ============== NAVIGATION ============== */
.lp-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--lp-border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.lp-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
}
.logo-emoji { font-size: 24px; }
.logo-text {
  background: linear-gradient(135deg, var(--lp-primary-dark), var(--lp-primary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-links > a:not(.btn) {
  padding: 8px 14px;
  color: var(--lp-text-muted);
  font-weight: 500;
  font-size: 15px;
  border-radius: 8px;
  transition: color 0.15s, background 0.15s;
}
.nav-links > a:not(.btn):hover { color: var(--lp-text); background: var(--lp-bg-soft); }
.nav-links > a.active { color: var(--lp-primary-dark); font-weight: 600; }
.nav-mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  cursor: pointer;
  color: var(--lp-text);
}

/* ============== HERO ============== */
.lp-hero {
  position: relative;
  background: linear-gradient(135deg, var(--lp-dark) 0%, var(--lp-primary-dark) 60%, var(--lp-primary-mid) 100%);
  color: white;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 20% 30%, rgba(37, 211, 102, 0.15) 0%, transparent 40%),
                    radial-gradient(circle at 80% 70%, rgba(18, 140, 126, 0.2) 0%, transparent 40%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 50px;
  align-items: center;
}
.hero-badge {
  display: inline-block;
  padding: 6px 14px;
  background: rgba(37, 211, 102, 0.18);
  border: 1px solid rgba(37, 211, 102, 0.3);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: #6ee7a0;
  margin-bottom: 20px;
}
.hero-text h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 20px;
}
.text-gradient {
  background: linear-gradient(135deg, #25d366, #6ee7a0);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero-sub {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 32px;
  max-width: 520px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}
.hero-trust {
  display: flex;
  gap: 36px;
}
.trust-item { display: flex; flex-direction: column; }
.trust-item strong { font-size: 24px; font-weight: 800; }
.trust-item span { font-size: 13px; color: rgba(255, 255, 255, 0.6); }

/* ============== HERO MOCKUP ============== */
.hero-visual { position: relative; }
.mockup-panel {
  background: white;
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
  overflow: hidden;
  transform: perspective(1200px) rotateY(-8deg) rotateX(3deg);
  animation: mockup-float 6s ease-in-out infinite;
}
@keyframes mockup-float {
  0%, 100% { transform: perspective(1200px) rotateY(-8deg) rotateX(3deg) translateY(0); }
  50% { transform: perspective(1200px) rotateY(-8deg) rotateX(3deg) translateY(-12px); }
}
.mockup-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #f1f5f9;
  border-bottom: 1px solid var(--lp-border);
}
.mockup-dots { display: flex; gap: 6px; }
.mockup-dots span {
  width: 11px; height: 11px; border-radius: 50%;
}
.mockup-dots span:nth-child(1) { background: #ff5f56; }
.mockup-dots span:nth-child(2) { background: #ffbd2e; }
.mockup-dots span:nth-child(3) { background: #27c93f; }
.mockup-url {
  font-size: 13px; color: var(--lp-text-muted); font-weight: 600;
}
.mockup-body { padding: 16px; background: #f8fafc; }
.mockup-card {
  background: white;
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 10px;
  border: 1px solid var(--lp-border);
}
.mockup-card-header {
  display: flex; align-items: center; gap: 8px; margin-bottom: 8px;
}
.mockup-status {
  width: 8px; height: 8px; border-radius: 50%;
}
.mockup-status-ready { background: #27c93f; box-shadow: 0 0 0 3px rgba(39, 201, 63, 0.2); }
.mockup-card-title { font-size: 13px; font-weight: 600; flex: 1; }
.mockup-card-badge {
  font-size: 11px; font-weight: 600; color: #16a34a;
  background: #dcfce7; padding: 2px 8px; border-radius: 999px;
}
.mockup-progress {
  height: 5px; background: #e5e7eb; border-radius: 3px; overflow: hidden; margin-bottom: 6px;
}
.mockup-progress-fill {
  height: 100%; background: linear-gradient(90deg, var(--lp-primary), var(--lp-primary-mid)); border-radius: 3px;
}
.mockup-card-meta {
  display: flex; justify-content: space-between; font-size: 11px; color: var(--lp-text-muted);
}
.mockup-counter { font-weight: 700; font-family: ui-monospace, monospace; }
.mockup-log {
  background: var(--lp-dark);
  border-radius: 10px;
  padding: 12px;
  font-family: ui-monospace, Menlo, monospace;
  font-size: 11px;
}
.mockup-log-line { padding: 3px 0; }
.mockup-log-line.success { color: #4ade80; }
.mockup-log-line.typing { color: #94a3b8; font-style: italic; }
.mockup-log-line.info { color: #60a5fa; }

/* ============== SECTIONS ============== */
.lp-section { padding: 90px 0; }
.lp-section-dark {
  background: linear-gradient(135deg, var(--lp-dark), var(--lp-dark-2));
  color: white;
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 56px;
}
.section-eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--lp-primary);
  margin-bottom: 14px;
}
.section-head h2 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.section-head p {
  font-size: 17px;
  color: var(--lp-text-muted);
}
.lp-section-dark .section-head p { color: rgba(255, 255, 255, 0.7); }

/* ============== FEATURES GRID ============== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--lp-bg-soft);
  border: 1px solid var(--lp-border);
  border-radius: var(--lp-radius);
  padding: 28px 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--lp-shadow-lg);
  border-color: var(--lp-primary);
}
.feature-icon {
  font-size: 36px;
  margin-bottom: 16px;
  display: block;
}
.feature-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 14.5px;
  color: var(--lp-text-muted);
  line-height: 1.6;
}

/* ============== STEPS ============== */
.steps-grid {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  flex-wrap: wrap;
}
.step-card {
  flex: 1;
  min-width: 240px;
  max-width: 320px;
  text-align: center;
  padding: 20px;
}
.step-number {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, var(--lp-primary), var(--lp-primary-mid));
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}
.step-card h3 { font-size: 19px; font-weight: 700; margin-bottom: 10px; }
.step-card p { font-size: 14.5px; color: rgba(255, 255, 255, 0.7); }
.step-connector {
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--lp-primary), transparent);
  align-self: flex-start;
  margin-top: 48px;
}

/* ============== PRICING TEASER ============== */
.pricing-teaser {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 920px;
  margin: 0 auto;
}
.pricing-card {
  background: white;
  border: 2px solid var(--lp-border);
  border-radius: var(--lp-radius);
  padding: 32px 26px;
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}
.pricing-card:hover { transform: translateY(-4px); box-shadow: var(--lp-shadow-lg); }
.pricing-card.featured {
  border-color: var(--lp-primary);
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.18);
}
.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--lp-primary);
  color: white;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 999px;
}
.pricing-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--lp-text-muted);
  margin-bottom: 12px;
}
.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: 24px;
}
.pricing-currency { font-size: 22px; font-weight: 700; }
.pricing-amount { font-size: 44px; font-weight: 800; letter-spacing: -1px; }
.pricing-period { font-size: 15px; color: var(--lp-text-muted); }
.pricing-features { list-style: none; }
.pricing-features li {
  padding: 8px 0;
  font-size: 14.5px;
  color: var(--lp-text);
  border-bottom: 1px solid var(--lp-border);
}
.pricing-features li:last-child { border-bottom: none; }

/* ============== FAQ ============== */
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--lp-bg-soft);
  border: 1px solid var(--lp-border);
  border-radius: 12px;
  padding: 0;
  overflow: hidden;
  transition: border-color 0.15s;
}
.faq-item[open] { border-color: var(--lp-primary); }
.faq-item summary {
  padding: 18px 22px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 22px;
  color: var(--lp-primary);
  transition: transform 0.2s;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p {
  padding: 0 22px 18px;
  color: var(--lp-text-muted);
  font-size: 15px;
  line-height: 1.6;
}
.faq-item a { color: var(--lp-primary-dark); font-weight: 600; }

/* ============== CTA ============== */
.lp-cta { padding: 0 0 90px; }
.cta-box {
  background: linear-gradient(135deg, var(--lp-primary-dark), var(--lp-primary-mid));
  border-radius: 24px;
  padding: 60px 40px;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 30% 30%, rgba(37, 211, 102, 0.3), transparent 50%);
}
.cta-box h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  letter-spacing: -0.5px;
}
.cta-box p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 30px;
  position: relative;
}
.cta-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  position: relative;
  flex-wrap: wrap;
}

/* ============== FOOTER ============== */
.lp-footer {
  background: var(--lp-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand .lp-logo { margin-bottom: 14px; }
.footer-brand .logo-text { -webkit-text-fill-color: white; background: none; }
.footer-brand p { font-size: 14px; max-width: 280px; }
.footer-col h4 {
  color: white;
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 14px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.footer-col a {
  display: block;
  font-size: 14px;
  padding: 5px 0;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.15s;
}
.footer-col a:hover { color: var(--lp-primary); }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
}
.footer-bottom p { font-size: 13px; margin-bottom: 6px; }
.footer-disclaimer { font-size: 12px; color: rgba(255, 255, 255, 0.4); }

/* ============== CONTACT PAGE ============== */
.contact-hero {
  position: relative;
  background: linear-gradient(135deg, var(--lp-dark) 0%, var(--lp-primary-dark) 100%);
  color: white;
  padding: 70px 0 60px;
  overflow: hidden;
  text-align: center;
}
.contact-head { position: relative; max-width: 600px; margin: 0 auto; }
.contact-head h1 {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 16px;
}
.contact-head p { font-size: 18px; color: rgba(255, 255, 255, 0.8); }

.contact-main { padding: 60px 0 90px; background: var(--lp-bg-soft); }
.contact-card-large {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 640px;
  margin: -100px auto 40px;
  background: white;
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--lp-shadow-lg);
  border: 1px solid var(--lp-border);
  position: relative;
  transition: transform 0.2s, box-shadow 0.2s;
}
.contact-card-large:hover {
  transform: translateY(-4px);
  box-shadow: 0 30px 70px rgba(0, 136, 204, 0.25);
  border-color: #0088cc;
}
.contact-icon-large {
  width: 90px;
  height: 90px;
  border-radius: 20px;
  background: linear-gradient(135deg, #0088cc, #00a2e8);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-card-body { flex: 1; }
.contact-label {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #0088cc;
}
.contact-card-body h2 { font-size: 28px; font-weight: 800; margin: 4px 0; }
.contact-card-body p { color: var(--lp-text-muted); font-size: 15px; }
.contact-arrow {
  font-size: 28px;
  color: #0088cc;
  transition: transform 0.2s;
}
.contact-card-large:hover .contact-arrow { transform: translateX(6px); }

.contact-extras {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  max-width: 800px;
  margin: 0 auto 40px;
}
.contact-extra-card {
  background: white;
  border: 1px solid var(--lp-border);
  border-radius: 14px;
  padding: 24px;
  text-align: center;
}
.contact-extra-icon { font-size: 32px; margin-bottom: 12px; }
.contact-extra-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 6px; }
.contact-extra-card p { font-size: 14px; color: var(--lp-text-muted); }
.contact-note {
  max-width: 640px;
  margin: 0 auto;
  padding: 20px 24px;
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  font-size: 14px;
  color: #1e40af;
}

/* ============== ANİMASYONLAR (scroll reveal) ============== */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}

/* ============== RESPONSIVE ============== */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { order: -1; }
  .hero-text h1 { font-size: 38px; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .step-connector { display: none; }
}

@media (max-width: 640px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    background: white;
    padding: 16px 24px;
    border-bottom: 1px solid var(--lp-border);
    gap: 6px;
    box-shadow: var(--lp-shadow);
  }
  .nav-links.open { display: flex; }
  .nav-links > a:not(.btn) { padding: 12px 14px; }
  .nav-links .btn { width: 100%; margin-top: 4px; }
  .nav-mobile-toggle { display: block; }
  .hero-text h1 { font-size: 32px; }
  .hero-trust { gap: 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .pricing-teaser { grid-template-columns: 1fr; max-width: 360px; }
  .contact-extras { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 30px; }
  .contact-card-large { flex-direction: column; text-align: center; }
  .lp-section { padding: 60px 0; }
}

/* ============== YASAL SAYFALAR (KVKK, Şartlar, Gizlilik) ============== */
.legal-page {
  max-width: 860px;
  margin: 0 auto;
  padding: 120px 24px 80px;
}
.legal-page h1 {
  font-size: 32px;
  font-weight: 800;
  color: var(--lp-text, #0b141a);
  margin-bottom: 8px;
}
.legal-updated {
  color: var(--lp-text-muted, #64748b);
  font-size: 14px;
  margin-bottom: 36px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--lp-border, #e2e8f0);
}
.legal-page h2 {
  font-size: 20px;
  font-weight: 700;
  color: var(--lp-primary-dark, #075e54);
  margin: 32px 0 12px;
}
.legal-page h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--lp-text, #0b141a);
  margin: 20px 0 8px;
}
.legal-page p,
.legal-page li {
  font-size: 15px;
  line-height: 1.75;
  color: #334155;
  margin-bottom: 12px;
}
.legal-page ul,
.legal-page ol {
  padding-left: 24px;
  margin-bottom: 16px;
}
.legal-page li { margin-bottom: 8px; }
.legal-page strong { color: var(--lp-text, #0b141a); }
.legal-page a { color: var(--lp-primary-dark, #075e54); }
.legal-notice {
  background: #fffbeb;
  border: 1px solid #fde68a;
  border-radius: 12px;
  padding: 16px 20px;
  margin: 24px 0;
  font-size: 14px;
  color: #92400e;
}
.legal-toc {
  background: #f8fafc;
  border: 1px solid var(--lp-border, #e2e8f0);
  border-radius: 12px;
  padding: 20px 24px;
  margin-bottom: 32px;
}
.legal-toc strong { display: block; margin-bottom: 10px; }
.legal-toc a { display: block; padding: 4px 0; font-size: 14px; }