/* ============================================================
   SITE.CSS — Atılım İzgü kişisel site tasarım sistemi
   Tema: koyu ladin gölgesi + bakır tel + etiket kağıdı
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,500;0,600;1,500&family=Dancing+Script:wght@600;700&family=Inter:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #171A14;
  --ink-raised: #1E221A;
  --paper: #F3ECD9;
  --paper-dim: #E7DEC6;
  --line: #3A4136;
  --line-on-paper: #D9CFB0;
  --copper: #B8793E;
  --copper-bright: #D99A5B;
  --copper-dim: #8C5C2C;
  --signal: #6FA98C;
  --rust: #C0654A;
  --text-on-dark: #EDE6D3;
  --text-on-dark-soft: #A7A08A;
  --text-on-paper: #241D12;
  --text-on-paper-soft: #6B5D42;

  --font-display: "Cormorant Garamond", serif;
  --font-body: "Inter", sans-serif;
  --font-mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text-on-dark);
  font-family: var(--font-body);
  line-height: 1.6;
}

a { color: inherit; }

/* ============ NAV ============ */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 32px;
  background: rgba(23, 26, 20, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.site-nav .brand {
  font-family: "Dancing Script", cursive;
  font-weight: 700;
  font-size: 26px;
  color: var(--copper-bright);
  text-decoration: none;
}

.site-nav .links {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}

.site-nav .links a {
  text-decoration: none;
  color: var(--text-on-dark-soft);
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: color 0.15s;
}

.site-nav .links a:hover { color: var(--copper-bright); }

/* ============ WAVEFORM DIVIDER (imza öge) ============ */
.waveform-divider {
  display: block;
  width: 100%;
  height: 28px;
  margin: 56px 0;
}

.waveform-divider svg {
  width: 100%;
  height: 100%;
  display: block;
}

.waveform-divider path {
  fill: none;
  stroke: var(--copper-dim);
  stroke-width: 1.5;
}

/* ============ LABEL CARD (etiket kartı) ============ */
.label-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--copper);
  margin-bottom: 10px;
}

.paper-card {
  background: var(--paper);
  color: var(--text-on-paper);
  border-radius: 4px;
  padding: 24px 28px;
}

.paper-card .label-eyebrow { color: var(--copper-dim); }

/* ============ TYPOGRAPHY ============ */
h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  margin: 0 0 16px;
  color: var(--text-on-dark);
}

h1 { font-size: 46px; line-height: 1.1; }
h2 { font-size: 30px; }
h3 { font-size: 22px; }

p { color: var(--text-on-dark-soft); }

/* ============ BUTTONS ============ */
.btn-copper {
  display: inline-block;
  background: var(--copper);
  color: #1A1207;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 14px;
  padding: 12px 24px;
  border-radius: 4px;
  border: none;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.15s;
}
.btn-copper:hover { background: var(--copper-bright); }

.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--text-on-dark-soft);
  font-family: var(--font-body);
  font-size: 13px;
  padding: 10px 18px;
  border-radius: 4px;
  border: 1px solid var(--line);
  text-decoration: none;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { border-color: var(--copper); color: var(--copper-bright); }

/* ============ KOLLU ŞALTER (mevcut imza öge, korunuyor) ============ */
.lever {
  position: relative;
  width: 56px;
  height: 30px;
  flex-shrink: 0;
}
.lever input { position: absolute; opacity: 0; width: 100%; height: 100%; margin: 0; cursor: pointer; z-index: 2; }

.lever-track {
  position: absolute;
  inset: 0;
  background: var(--ink);
  border-radius: 4px;
  box-shadow: inset 0 1px 2px rgba(0,0,0,0.3);
}

.lever-knob {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 24px;
  height: 24px;
  border-radius: 3px;
  background: linear-gradient(160deg, var(--copper-bright), var(--copper-dim));
  box-shadow: 0 1px 2px rgba(0,0,0,0.4);
  transition: transform 0.18s ease, background 0.18s ease;
  transform: rotate(-6deg);
}

.lever input:checked ~ .lever-knob {
  transform: translateX(26px) rotate(6deg);
  background: linear-gradient(160deg, #8FC2AC, #4E7B6C);
}

/* ============ MESAJ PANOSU ============ */
.message-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}

.message-form input,
.message-form textarea {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 15px;
  background: var(--ink-raised);
  color: var(--text-on-dark);
}

.message-form textarea { min-height: 90px; resize: vertical; }

.message-card {
  background: var(--ink-raised);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 14px 18px;
  margin-bottom: 12px;
  position: relative;
}

.msg-name { font-weight: 600; color: var(--copper-bright); margin-bottom: 4px; }
.msg-time { font-family: var(--font-mono); font-size: 11px; color: var(--text-on-dark-soft); font-weight: 400; margin-left: 10px; }
.msg-text { color: var(--text-on-dark); line-height: 1.5; }

.msg-delete {
  position: absolute; top: 12px; right: 14px;
  background: none; border: 1px solid var(--rust); color: var(--rust);
  padding: 4px 10px; border-radius: 4px; font-size: 11px; cursor: pointer;
  font-family: var(--font-mono);
}
.msg-delete:hover { background: var(--rust); color: #1A1207; }

/* ============ RESPONSIVE ============ */
@media (max-width: 720px) {
  h1 { font-size: 32px; }
  h2 { font-size: 24px; }
  .site-nav { padding: 14px 18px; }
  .site-nav .links { gap: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .lever-knob { transition: none; }
}