/* ==========================================================================
   ErDeM Whois — Design System
   Framework-free, CSS-variable driven (renk/font admin panelden gelir).
   ========================================================================== */

:root {
  --primary: #6d28d9;
  --primary-rgb: 109, 40, 217;
  --accent: #06b6d4;
  --accent-rgb: 6, 182, 212;
  --font: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;

  --bg: #f6f7fb;
  --bg-elevated: #ffffff;
  --bg-soft: #eef0f8;
  --text: #14151f;
  --text-muted: #5c5f72;
  --border: #e3e5f0;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --shadow: 0 10px 30px -12px rgba(20, 21, 31, .12);
  --radius: 16px;
  --radius-sm: 10px;
  --header-h: 76px;
}

:root[data-theme="dark"] {
  --bg: #0b0c14;
  --bg-elevated: #14152233;
  --bg-elevated: #151726;
  --bg-soft: #1b1d2e;
  --text: #f1f2fb;
  --text-muted: #a2a4bd;
  --border: #262943;
  --shadow: 0 20px 45px -15px rgba(0, 0, 0, .55);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0b0c14;
    --bg-elevated: #151726;
    --bg-soft: #1b1d2e;
    --text: #f1f2fb;
    --text-muted: #a2a4bd;
    --border: #262943;
    --shadow: 0 20px 45px -15px rgba(0, 0, 0, .55);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
main { flex: 1 0 auto; }
.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }
.container-narrow { width: 100%; max-width: 820px; margin: 0 auto; padding: 0 20px; }

h1, h2, h3, h4 { line-height: 1.2; margin: 0 0 .5em; font-weight: 800; letter-spacing: -.02em; }
p { margin: 0 0 1em; color: var(--text-muted); }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5em;
  padding: .8em 1.4em;
  border-radius: 999px;
  font-weight: 700;
  font-size: .95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  white-space: nowrap;
}
.btn:active { transform: scale(.97); }
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(var(--primary-rgb), .55);
}
.btn-primary:hover { box-shadow: 0 12px 30px -8px rgba(var(--primary-rgb), .7); transform: translateY(-1px); }
.btn-ghost {
  background: var(--bg-elevated);
  color: var(--text);
  border-color: var(--border);
}
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { padding: .5em 1em; font-size: .85rem; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.site-header .container { display: flex; align-items: center; gap: 24px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.25rem; flex-shrink: 0; }
.brand-mark {
  width: 38px; height: 38px; border-radius: 11px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.1rem;
  box-shadow: 0 6px 16px -4px rgba(var(--primary-rgb), .6);
}
.brand img.brand-logo { height: 34px; }

.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; }
.main-nav > a, .nav-item > button {
  padding: 10px 14px;
  border-radius: 10px;
  font-weight: 600;
  font-size: .93rem;
  color: var(--text-muted);
  background: transparent;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: inherit;
}
.main-nav > a:hover, .nav-item > button:hover, .main-nav > a.active { color: var(--text); background: var(--bg-soft); }
.main-nav > a.active { color: var(--primary); }

.nav-item { position: relative; }
.mega-menu {
  position: absolute;
  top: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%) translateY(6px);
  width: 620px;
  max-width: 90vw;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 4px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
}
.nav-item:hover .mega-menu, .nav-item.open .mega-menu {
  opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0);
}
.mega-menu a {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 10px; border-radius: var(--radius-sm);
}
.mega-menu a:hover { background: var(--bg-soft); }
.mega-menu .mm-icon {
  width: 34px; height: 34px; border-radius: 9px; flex-shrink: 0;
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  color: var(--primary); display: flex; align-items: center; justify-content: center;
}
.mega-menu .mm-title { font-weight: 700; font-size: .9rem; }
.mega-menu .mm-desc { font-size: .78rem; color: var(--text-muted); margin: 2px 0 0; }
.mega-menu a.soon { opacity: .55; }
.mega-menu .soon-badge {
  font-size: .62rem; font-weight: 800; text-transform: uppercase;
  background: var(--bg-soft); color: var(--text-muted); border-radius: 999px;
  padding: 2px 7px; margin-left: 6px; letter-spacing: .04em;
}

.theme-toggle, .nav-burger {
  width: 40px; height: 40px; border-radius: 10px;
  border: 1px solid var(--border); background: var(--bg-elevated);
  color: var(--text); cursor: pointer; display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.nav-burger { display: none; }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
  text-align: center;
  isolation: isolate;
}
.hero::before, .hero::after {
  content: "";
  position: absolute;
  width: 520px; height: 520px;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .35;
  z-index: -1;
  animation: float 14s ease-in-out infinite;
}
.hero::before { background: var(--primary); top: -220px; left: -120px; }
.hero::after { background: var(--accent); bottom: -260px; right: -140px; animation-delay: -7s; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(40px, 30px) scale(1.08); }
}
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px; border-radius: 999px;
  background: var(--bg-soft); border: 1px solid var(--border);
  font-size: .8rem; font-weight: 700; color: var(--primary);
  margin-bottom: 20px;
}
.hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: .35em; }
.hero .gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 1.1rem; max-width: 620px; margin: 0 auto 34px; }

.search-card {
  max-width: 720px; margin: 0 auto;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px;
}
.search-form { display: flex; gap: 8px; flex-wrap: wrap; }
.search-form input[type="text"] {
  flex: 1 1 260px;
  border: none;
  background: transparent;
  padding: 14px 16px;
  font-size: 1rem;
  color: var(--text);
  outline: none;
  min-width: 0;
}
.search-hints { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 18px; }
.search-hints span {
  font-size: .78rem; color: var(--text-muted);
  border: 1px dashed var(--border); border-radius: 999px; padding: 4px 10px;
}

/* ---------- Sections ---------- */
.section { padding: 64px 0; }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); }

/* ---------- Cards / grid ---------- */
.grid { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) { .grid-4, .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.tool-card { position: relative; overflow: hidden; }
.tool-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--primary) 35%, var(--border)); }
.tool-card .ti {
  width: 46px; height: 46px; border-radius: 13px;
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 18%, transparent), color-mix(in srgb, var(--accent) 18%, transparent));
  color: var(--primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; margin-bottom: 16px;
}
.tool-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.tool-card p { font-size: .88rem; margin-bottom: 0; }
.tool-card .soon-tag {
  position: absolute; top: 16px; right: 16px;
  font-size: .65rem; font-weight: 800; text-transform: uppercase;
  background: var(--bg-soft); color: var(--text-muted);
  border-radius: 999px; padding: 3px 9px; letter-spacing: .04em;
}
.tool-filter { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 32px; }
.tool-filter button {
  border: 1px solid var(--border); background: var(--bg-elevated); color: var(--text-muted);
  padding: 8px 16px; border-radius: 999px; font-weight: 700; font-size: .85rem; cursor: pointer;
  font-family: inherit;
}
.tool-filter button.active { background: var(--primary); color: #fff; border-color: var(--primary); }

.feature-row { display: flex; align-items: flex-start; gap: 16px; }
.feature-row .fi {
  width: 52px; height: 52px; border-radius: 14px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center; font-size: 1.3rem;
  background: var(--bg-soft); color: var(--primary);
}

/* ---------- Forms / results (whois tools) ---------- */
.tool-page-hero { padding: 56px 0 20px; text-align: center; }
.tool-page-hero h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); }

.result-panel {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
  margin-top: 26px;
}
.result-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin-top: 26px; }
.domain-tile {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px;
  background: var(--bg-soft);
  transition: border-color .15s ease, transform .15s ease;
}
.domain-tile:hover { transform: translateY(-2px); }
.domain-tile .dt-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.domain-tile .dt-name { font-weight: 800; font-size: 1rem; word-break: break-all; }
.domain-tile .dt-meta { font-size: .8rem; color: var(--text-muted); margin: 3px 0; }
.status-badge { font-size: .72rem; font-weight: 800; padding: 4px 10px; border-radius: 999px; white-space: nowrap; }
.status-badge.available { background: color-mix(in srgb, var(--success) 16%, transparent); color: var(--success); }
.status-badge.taken { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }
.status-badge.pending { background: var(--bg-soft); color: var(--text-muted); }
.status-badge.error { background: color-mix(in srgb, var(--warning) 16%, transparent); color: var(--warning); }
.skeleton { position: relative; overflow: hidden; background: var(--bg-soft); }
.skeleton::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--text) 8%, transparent), transparent);
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { 0% { transform: translateX(-100%); } 100% { transform: translateX(100%); } }

pre.whois-raw {
  background: #0d0e17; color: #d3d7ff; padding: 20px; border-radius: var(--radius-sm);
  overflow-x: auto; font-size: .82rem; line-height: 1.6; white-space: pre-wrap; word-break: break-word;
}
:root[data-theme="light"] pre.whois-raw, :root:not([data-theme="dark"]) pre.whois-raw {
  background: #14152a;
}

table.info-table { width: 100%; border-collapse: collapse; }
table.info-table td { padding: 10px 4px; border-bottom: 1px solid var(--border); font-size: .9rem; }
table.info-table td:first-child { color: var(--text-muted); width: 40%; }

textarea, input[type=text], input[type=email], input[type=url], select {
  font-family: inherit; font-size: .95rem; color: var(--text);
  background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 12px 14px; width: 100%;
}
textarea:focus, input:focus, select:focus { outline: none; border-color: var(--primary); }
label { display: block; font-weight: 700; font-size: .85rem; margin-bottom: 8px; }
.field { margin-bottom: 18px; }

.ad-slot { display: flex; align-items: center; justify-content: center; min-height: 90px; }
.ad-slot:empty { display: none; }

.badge-soon-page { text-align: center; padding: 100px 20px; }
.badge-soon-page .ti { margin: 0 auto 20px; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 48px 0 24px; margin-top: 60px; background: var(--bg-soft); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 24px; margin-bottom: 32px; }
@media (max-width: 980px) { .footer-grid { grid-template-columns: 1fr 1fr 1fr; } }
@media (max-width: 780px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
.footer-grid h4 { font-size: .82rem; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); margin-bottom: 12px; }
.footer-grid a { display: block; font-size: .88rem; color: var(--text); padding: 5px 0; }
.footer-grid a:hover { color: var(--primary); }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .82rem; color: var(--text-muted); border-top: 1px solid var(--border); padding-top: 20px; }
.socials { display: flex; gap: 10px; }
.socials a { width: 34px; height: 34px; border-radius: 9px; background: var(--bg-elevated); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; }
.socials a:hover { color: var(--primary); border-color: var(--primary); }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .5s ease, transform .5s ease; }
.reveal.in { opacity: 1; transform: translateY(0); }

/* ---------- Mobile nav ---------- */
@media (max-width: 900px) {
  .nav-burger { display: flex; }
  .main-nav {
    position: fixed; inset: var(--header-h) 0 0 0; margin: 0;
    background: var(--bg); flex-direction: column; align-items: stretch;
    padding: 18px; gap: 4px; overflow-y: auto;
    transform: translateX(100%); transition: transform .25s ease;
  }
  .main-nav.open { transform: translateX(0); }
  .main-nav > a, .nav-item > button { justify-content: space-between; width: 100%; }
  .mega-menu {
    position: static; transform: none; width: 100%; box-shadow: none; opacity: 1; visibility: visible;
    grid-template-columns: 1fr; display: none; margin-top: 6px;
  }
  .nav-item.open .mega-menu { display: grid; }
  .theme-toggle-mobile-spacer { display: none; }
}

.small-note { font-size: .78rem; color: var(--text-muted); }
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.flag-icon { width: 20px; height: 14px; border-radius: 2px; object-fit: cover; flex-shrink: 0; }