/* HİSGE landing — koyu, turuncu, hafif cam efektli kurumsal giriş */
:root {
  --orange: #ff6600;
  --orange-hover: #e65c00;
  --orange-soft: #ff8c42;
  --orange-pale: #ffb380;
  --bg: #0c0c10;
  --bg-soft: #121218;
  --surface: rgba(20, 20, 28, 0.82);
  --surface-strong: rgba(28, 28, 38, 0.94);
  --border: rgba(255, 255, 255, 0.08);
  --border-orange: rgba(255, 102, 0, 0.28);
  --text: #e5e7eb;
  --text-strong: #ffffff;
  --muted: #9ca3af;
  --shadow: 0 18px 60px rgba(0, 0, 0, 0.46);
  --radius: 16px;
}

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

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(255, 102, 0, 0.09) 0%, transparent 42%),
    radial-gradient(ellipse at 85% 18%, rgba(255, 140, 66, 0.05) 0%, transparent 34%),
    var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.035;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: 42px 42px;
}

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(12, 12, 16, 0.86);
  border-bottom: 1px solid rgba(255, 102, 0, 0.14);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.brand img {
  display: block;
  height: 42px;
  width: auto;
}

.brand-fallback {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--orange), var(--orange-soft));
  color: #1a0f00;
}

.brand-fallback svg {
  width: 22px;
  height: 22px;
}

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

.nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 8px 14px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}

.nav a:hover {
  color: var(--text-strong);
  background: rgba(255, 255, 255, 0.05);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  padding: 10px 20px;
  border-radius: 11px;
  border: 1px solid transparent;
  font-size: 0.92rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn:focus-visible,
.nav a:focus-visible,
.card:focus-visible {
  outline: 3px solid var(--orange-pale);
  outline-offset: 3px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--orange), var(--orange-soft));
  color: #1a0f00;
  box-shadow: 0 10px 30px rgba(255, 102, 0, 0.2);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--orange-hover), var(--orange));
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.22);
}

.btn-ghost:hover {
  border-color: var(--orange);
  color: var(--text-strong);
  background: rgba(255, 102, 0, 0.08);
}

.btn svg,
.icon svg,
.card-link svg {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.hero {
  position: relative;
  z-index: 1;
  padding: 72px 0 46px;
}

.hero::before {
  content: "";
  position: absolute;
  top: -80px;
  left: 50%;
  width: 520px;
  height: 260px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse, rgba(255, 102, 0, 0.12), transparent 70%);
  pointer-events: none;
}

.hero .container {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  gap: 34px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255, 102, 0, 0.25);
  background: rgba(255, 102, 0, 0.08);
  color: var(--orange-pale);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.eyebrow .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--orange);
  box-shadow: 0 0 12px rgba(255, 102, 0, 0.8);
}

.hero h1 {
  margin: 0 0 18px;
  color: var(--text-strong);
  font-size: clamp(2.1rem, 5vw, 4rem);
  line-height: 1.12;
  letter-spacing: -0.035em;
}

.gradient-text {
  background: linear-gradient(135deg, var(--orange) 0%, var(--orange-soft) 48%, var(--orange-pale) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero p {
  max-width: 620px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.5vw, 1.1rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-panel {
  position: relative;
  padding: 22px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: linear-gradient(160deg, rgba(28, 28, 38, 0.92), rgba(14, 14, 20, 0.88));
  box-shadow: var(--shadow);
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 102, 0, 0.12), transparent 38%);
  pointer-events: none;
}

.hero-panel h2 {
  position: relative;
  margin: 0 0 14px;
  color: var(--text-strong);
  font-size: 1rem;
}

.stat-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.stat-item {
  padding: 14px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(255, 255, 255, 0.035);
}

.stat-item strong {
  display: block;
  color: var(--orange-soft);
  font-size: 1.05rem;
  line-height: 1.2;
}

.stat-item span {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.section {
  position: relative;
  z-index: 1;
  padding: 34px 0;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.section-head h2 {
  margin: 0;
  color: var(--text-strong);
  font-size: clamp(1.35rem, 2.4vw, 1.9rem);
  letter-spacing: -0.02em;
}

.section-head p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.module-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 220px;
  padding: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 88% 12%, rgba(255, 102, 0, 0.12), transparent 34%),
    var(--surface);
  box-shadow: 0 12px 34px rgba(0, 0, 0, 0.28);
  overflow: hidden;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

.module-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 18%;
  right: 18%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--orange), transparent);
  opacity: 0.65;
}

.module-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-orange);
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.38), 0 0 26px rgba(255, 102, 0, 0.06);
}

.module-card.primary {
  border-color: rgba(255, 102, 0, 0.3);
  background:
    radial-gradient(circle at 88% 12%, rgba(255, 102, 0, 0.2), transparent 38%),
    var(--surface-strong);
}

.module-card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  margin-bottom: 18px;
  border-radius: 14px;
  background: rgba(255, 102, 0, 0.12);
  color: var(--orange);
}

.module-card .icon svg {
  width: 25px;
  height: 25px;
}

.module-card h3 {
  margin: 0 0 8px;
  color: var(--text-strong);
  font-size: 1.22rem;
}

.module-card p {
  margin: 0 0 22px;
  color: var(--muted);
  font-size: 0.9rem;
}

.module-card .card-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--orange-soft);
  font-size: 0.86rem;
  font-weight: 800;
}

.module-card .badge {
  position: absolute;
  top: 18px;
  right: 18px;
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid rgba(255, 102, 0, 0.25);
  background: rgba(255, 102, 0, 0.1);
  color: var(--orange-pale);
  font-size: 0.64rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

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

.feature-card {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(20, 20, 28, 0.72);
  transition: border-color 0.2s ease, background 0.2s ease;
}

.feature-card:hover {
  border-color: rgba(255, 102, 0, 0.2);
  background: rgba(26, 26, 35, 0.86);
}

.feature-card .icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
  border-radius: 10px;
  background: rgba(255, 102, 0, 0.09);
  color: var(--orange-soft);
}

.feature-card .icon svg {
  width: 19px;
  height: 19px;
}

.feature-card h3 {
  margin: 0 0 5px;
  color: var(--text-strong);
  font-size: 0.98rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
  line-height: 1.55;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.trust-item {
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

.trust-item strong {
  display: block;
  margin-bottom: 3px;
  color: var(--text-strong);
  font-size: 0.86rem;
}

.footer {
  position: relative;
  z-index: 1;
  margin-top: auto;
  padding: 24px 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 0.78rem;
}

.footer .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.footer-links a:hover {
  color: var(--orange-soft);
}

/* PWA kurulum bildirimi */
.pwa-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 80;
  border-top: 1px solid rgba(255, 102, 0, 0.3);
  background: rgba(12, 12, 16, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 12px 0 max(12px, env(safe-area-inset-bottom));
}

.pwa-banner .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.pwa-banner .pwa-copy {
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
}

.pwa-banner img {
  width: 38px;
  height: 38px;
  border-radius: 9px;
}

.pwa-banner span {
  color: var(--text);
  font-size: 0.82rem;
}

.pwa-banner .pwa-actions {
  display: flex;
  gap: 8px;
}

.pwa-banner button {
  min-height: 42px;
}

.hidden {
  display: none !important;
}

.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Çevrimdışı şerit */
.offline-banner {
  display: none;
  padding: 8px 0;
  background: rgba(245, 158, 11, 0.12);
  border-bottom: 1px solid rgba(245, 158, 11, 0.28);
  color: #fcd34d;
  font-size: 0.78rem;
}

.offline-banner.is-visible {
  display: block;
}

@media (max-width: 900px) {
  .hero .container {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-panel {
    max-width: 520px;
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .section-head {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .site-header .container {
    align-items: flex-start;
    flex-wrap: wrap;
  }

  .brand img {
    height: 34px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
    gap: 4px;
  }

  .nav a {
    flex: 1 1 auto;
    justify-content: center;
    padding: 8px 10px;
    font-size: 0.8rem;
  }

  .hero {
    padding: 40px 0 28px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .module-grid,
  .feature-grid,
  .trust-strip {
    grid-template-columns: 1fr;
  }

  .stat-grid {
    grid-template-columns: 1fr 1fr;
  }

  .module-card {
    min-height: 0;
    padding: 20px;
  }

  .footer .container {
    align-items: flex-start;
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}