/* ============================================================
   SWORD GYM — tasarım sistemi (v2)
   Palet: soğuk çelik grisi zemin, temperli kırmızı vurgu
   İmza: pahlı (kesik) köşeler — bıçak ağzı motifi
   Aydınlık + Koyu tema (data-theme="dark")
   ============================================================ */

:root {
  color-scheme: light;

  /* Yüzeyler */
  --bg: #f2f4f5;
  --bg-2: #ffffff;
  --surface: #ffffff;
  --surface-2: #f7f9fa;
  --surface-3: #eef1f3;

  /* Metin */
  --ink: #14171a;
  --ink-soft: #333a40;
  --steel: #5c6670;

  /* Çizgiler */
  --line: #e3e6e8;
  --line-strong: #cfd4d8;

  /* Vurgu */
  --accent: #d11f31;
  --accent-dark: #a11423;
  --accent-soft: rgba(209, 31, 49, 0.10);
  --accent-ink: #ffffff;

  /* Koyu "bant" (aydınlık temada koyu bloklar) */
  --band: #14171a;
  --band-2: #1c2126;
  --band-ink: #ffffff;
  --band-soft: #a7afb6;
  --band-line: #2c333a;

  /* Solid buton */
  --btn-solid-bg: #14171a;
  --btn-solid-ink: #ffffff;

  /* Header */
  --header-bg: rgba(242, 244, 245, 0.78);
  --header-border: #e3e6e8;

  /* Gölgeler */
  --shadow-sm: 0 2px 10px rgba(20, 23, 26, 0.06);
  --shadow-md: 0 14px 34px rgba(20, 23, 26, 0.10);
  --shadow-lg: 0 28px 64px rgba(20, 23, 26, 0.16);
  --shadow-accent: 0 18px 42px rgba(209, 31, 49, 0.30);

  /* Hero */
  --slash-1: #eceeee;
  --slash-2: #dfe3e4;
  --slash-3: #d3d8da;
  --photo-filter: grayscale(28%) contrast(1.03);
  --grid-line: rgba(20, 23, 26, 0.04);

  --font-display: "Archivo", "Segoe UI", sans-serif;
  --font-body: "Manrope", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", Consolas, monospace;

  --cut: 16px;
  --container: 1160px;
  --section-gap: clamp(72px, 10vw, 130px);
}

[data-theme="dark"] {
  color-scheme: dark;

  --bg: #0d0f12;
  --bg-2: #111418;
  --surface: #15181c;
  --surface-2: #1a1e23;
  --surface-3: #20252b;

  --ink: #eef1f3;
  --ink-soft: #c4cbd1;
  --steel: #8a949c;

  --line: #262b31;
  --line-strong: #343b42;

  --accent: #ee3b4c;
  --accent-dark: #cf2639;
  --accent-soft: rgba(238, 59, 76, 0.15);
  --accent-ink: #ffffff;

  --band: #0f1216;
  --band-2: #171b20;
  --band-ink: #eef1f3;
  --band-soft: #8a949c;
  --band-line: #2a3038;

  --btn-solid-bg: #eef1f3;
  --btn-solid-ink: #14171a;

  --header-bg: rgba(13, 15, 18, 0.72);
  --header-border: #22272d;

  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.45);
  --shadow-md: 0 16px 38px rgba(0, 0, 0, 0.55);
  --shadow-lg: 0 32px 72px rgba(0, 0, 0, 0.65);
  --shadow-accent: 0 18px 46px rgba(238, 59, 76, 0.38);

  --slash-1: #1d232a;
  --slash-2: #141a20;
  --slash-3: #0e141a;
  --photo-filter: grayscale(40%) contrast(1.04) brightness(0.66);
  --grid-line: rgba(255, 255, 255, 0.035);
}

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

[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.4s ease, color 0.4s ease;
}

img, svg { display: block; max-width: 100%; }

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

::selection { background: var(--accent); color: #fff; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 40px);
}

/* ---------- Tipografi ---------- */

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.display {
  font-size: clamp(2.75rem, 7.5vw, 5.5rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.03em;
}

.section-title {
  font-size: clamp(1.9rem, 4vw, 3rem);
  text-transform: uppercase;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
}

.eyebrow::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--accent);
  transform: skewX(-30deg);
}

.lead {
  color: var(--steel);
  font-size: clamp(1.02rem, 1.6vw, 1.15rem);
  max-width: 56ch;
}

/* ---------- Pahlı köşe (imza öğesi) ---------- */

.cut-corner {
  clip-path: polygon(
    0 0,
    calc(100% - var(--cut)) 0,
    100% var(--cut),
    100% 100%,
    0 100%
  );
}

/* ---------- Butonlar ---------- */

.btn {
  --btn-cut: 12px;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 16px 34px;
  cursor: pointer;
  border: none;
  isolation: isolate;
  transition: background-color 0.2s ease, color 0.2s ease,
              transform 0.15s ease, box-shadow 0.25s ease;
  clip-path: polygon(0 0, calc(100% - var(--btn-cut)) 0, 100% var(--btn-cut), 100% 100%, 0 100%);
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--btn-solid-bg);
  color: var(--btn-solid-ink);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--accent);
  color: #fff;
  box-shadow: var(--shadow-accent);
}

.btn-ghost {
  background: transparent;
  color: var(--ink);
  box-shadow: inset 0 0 0 1.5px var(--ink);
}
.btn-ghost:hover {
  background: var(--ink);
  color: var(--bg);
  box-shadow: inset 0 0 0 1.5px var(--ink), var(--shadow-md);
}

.btn-accent {
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: var(--shadow-sm);
}
.btn-accent:hover {
  background: var(--accent-dark);
  box-shadow: var(--shadow-accent);
}

.btn-lg { padding: 18px 40px; font-size: 1rem; }
.btn-block { width: 100%; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--header-bg);
  backdrop-filter: blur(14px) saturate(1.2);
  -webkit-backdrop-filter: blur(14px) saturate(1.2);
  border-bottom: 1px solid var(--header-border);
  transition: box-shadow 0.3s ease, background-color 0.3s ease, border-color 0.3s ease;
}

.site-header.scrolled { box-shadow: var(--shadow-sm); }

.nav {
  display: flex;
  align-items: center;
  height: 70px;
  gap: 14px;
}

.nav-links { margin-left: auto; }

.logo {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.18rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  margin-left: -12px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.site-header .logo:hover {
  background: var(--ink);
  color: var(--bg);
}

.logo .blade {
  width: 18px;
  height: 18px;
  background: var(--accent);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color 0.15s ease, background-color 0.15s ease;
}

.nav-links a:not(.btn) {
  position: relative;
  padding: 8px 4px;
}

.nav-links a:not(.btn)::after {
  content: "";
  position: absolute;
  left: 4px;
  right: 4px;
  bottom: 2px;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.2s ease;
}

.nav-links a:not(.btn):hover { color: var(--ink); }
.nav-links a:not(.btn):hover::after { transform: scaleX(1); }

.nav-links .btn { padding: 11px 22px; font-size: 0.82rem; }

/* Tema düğmesi */
.theme-toggle {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease, background-color 0.2s ease, transform 0.15s ease;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-1px); }
.theme-toggle svg { width: 19px; height: 19px; }
.theme-toggle .i-sun { display: none; }
.theme-toggle .i-moon { display: block; }
[data-theme="dark"] .theme-toggle .i-sun { display: block; }
[data-theme="dark"] .theme-toggle .i-moon { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  position: relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  position: absolute;
  left: 8px;
  width: 24px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-toggle span { top: 19px; }
.nav-toggle span::before { top: -7px; left: 0; }
.nav-toggle span::after { top: 7px; left: 0; }

.nav-open .nav-toggle span { background: transparent; }
.nav-open .nav-toggle span::before { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span::after { transform: translateY(-7px) rotate(-45deg); }

.nav-actions { display: flex; align-items: center; gap: 12px; }

/* ---------- Hero ---------- */

.hero {
  position: relative;
  padding: clamp(84px, 12vw, 158px) 0 var(--section-gap);
  overflow: hidden;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 46px 46px;
}

.hero-slash {
  position: absolute;
  top: 0;
  right: -12vw;
  width: 47vw;
  height: 100%;
  background: linear-gradient(160deg, var(--slash-1) 0%, var(--slash-2) 45%, var(--slash-3) 100%);
  transform: skewX(-14deg);
  border-left: 2px solid var(--accent);
  z-index: 0;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-foto {
  position: absolute;
  top: 0;
  left: -18%;
  width: 140%;
  height: 100%;
  object-fit: cover;
  transform: skewX(14deg);
  filter: var(--photo-filter);
}

.hero-slash::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg,
    color-mix(in srgb, var(--bg) 55%, transparent) 0%,
    color-mix(in srgb, var(--bg) 8%, transparent) 45%,
    rgba(20, 23, 26, 0.22) 100%);
}

.hero .container { position: relative; z-index: 1; }

.hero .display { max-width: 12ch; }
.hero .display .accent {
  color: var(--accent);
  position: relative;
}

.hero .lead { margin: 26px 0 38px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero-hours {
  margin-top: 46px;
  display: inline-flex;
  align-items: center;
  gap: 16px;
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 18px;
}

.hero-hours .hh-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.hero-hours .hh-time {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.7rem;
  letter-spacing: -0.01em;
  color: var(--ink);
}

/* ---------- İstatistik bandı ---------- */

.stat-band {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  padding: clamp(28px, 4vw, 44px) 26px;
  border-left: 1px solid var(--line);
  position: relative;
}
.stat:first-child { border-left: none; }

.stat .num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 4vw, 2.9rem);
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--ink);
}
.stat .num .accent { color: var(--accent); }
.stat .num.num-text {
  font-size: clamp(1.2rem, 2vw, 1.55rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}
.stat .stat-icon {
  width: clamp(2rem, 4vw, 2.9rem);
  height: clamp(2rem, 4vw, 2.9rem);
  color: var(--accent);
  display: block;
}
.stat .stat-icon .dot { fill: var(--ink); stroke: none; }
.stat .num-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.stat .num-row .stat-icon { flex-shrink: 0; }

.stat .lbl {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}
.stat .lbl-sub {
  display: block;
  margin-top: 5px;
  font-size: 0.62rem;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--steel);
  opacity: 0.7;
}

/* ---------- Bölüm iskeleti ---------- */

.section { padding: var(--section-gap) 0; }

[id] { scroll-margin-top: 88px; }

.section-head { margin-bottom: clamp(36px, 5vw, 56px); }
.section-head .lead { margin-top: 14px; }

.section-alt {
  background: var(--surface);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

/* ---------- Program kartları ---------- */

.program-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.program-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 32px 28px;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.section-alt .program-card { background: var(--bg); }

.program-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 3px;
  background: var(--accent);
  transition: width 0.3s ease;
}

.program-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.program-card:hover::before { width: 100%; }

.program-card .icon {
  width: 46px;
  height: 46px;
  color: var(--accent);
  margin-bottom: 20px;
  transition: transform 0.25s ease;
}
.program-card:hover .icon { transform: scale(1.08) rotate(-3deg); }

.program-card h3 {
  font-size: 1.16rem;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.program-card p {
  color: var(--steel);
  font-size: 0.94rem;
}

.program-card .more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  transition: gap 0.2s ease;
}
.program-card:hover .more { gap: 12px; }

/* ---------- Ders programı tablosu ---------- */

.schedule-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  background: var(--surface);
}

.schedule {
  width: 100%;
  min-width: 700px;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.schedule th,
.schedule td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.schedule th {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--steel);
  border-bottom: 2px solid var(--ink);
}

.schedule td:first-child {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  white-space: nowrap;
}

.schedule tr:last-child td { border-bottom: none; }
.schedule .off { color: var(--steel); opacity: 0.6; }

/* ---------- Üyelik / fiyat kartları ---------- */

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  align-items: stretch;
}

.price-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 34px 26px;
  display: flex;
  flex-direction: column;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.price-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

.price-card.featured:hover { box-shadow: var(--shadow-accent); }

.price-card .plan {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 16px;
}

.price-card .price {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2.25rem;
  letter-spacing: -0.02em;
  line-height: 1;
}

.price-card .per {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--steel);
  margin: 8px 0 26px;
}

.price-card ul {
  list-style: none;
  margin-bottom: 32px;
  flex: 1;
}

.price-card li {
  font-size: 0.93rem;
  padding: 9px 0 9px 26px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.price-card li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 17px;
  width: 12px;
  height: 2px;
  background: var(--accent);
  transform: skewX(-30deg);
}

.price-card .btn { text-align: center; }

.price-card.featured {
  background: var(--band);
  color: var(--band-ink);
  border-color: var(--band);
  position: relative;
  box-shadow: var(--shadow-md);
}

.price-card.featured .plan { color: var(--band-soft); }
.price-card.featured .per { color: var(--band-soft); }
.price-card.featured li { border-bottom-color: var(--band-line); }

.featured-tag {
  position: absolute;
  top: 0;
  right: 0;
  background: var(--accent);
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 7px 14px;
  clip-path: polygon(12px 0, 100% 0, 100% 100%, 0 100%);
}

.pricing-note {
  margin-top: 22px;
  font-size: 0.85rem;
  color: var(--steel);
}

/* ---------- Makale kartları ---------- */

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.article-card {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 30px 26px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}

.article-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.article-card .thumb {
  width: calc(100% + 52px);
  max-width: none;
  height: 168px;
  object-fit: cover;
  margin: -30px -26px 20px;
  display: block;
  transition: transform 0.4s ease, filter 0.3s ease;
}
.article-card:hover .thumb { transform: scale(1.05); }

.article-card .meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 14px;
}

.article-card h3 {
  font-size: 1.12rem;
  margin-bottom: 12px;
  line-height: 1.25;
}

.article-card p {
  color: var(--steel);
  font-size: 0.93rem;
  flex: 1;
}

.article-card .more {
  margin-top: 20px;
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.section-cta { margin-top: 40px; text-align: center; }

/* ---------- Makale sayfası ---------- */

.article-page {
  max-width: 740px;
  margin: 0 auto;
  padding: clamp(56px, 8vw, 96px) clamp(20px, 4vw, 40px);
}

.article-page .eyebrow { margin-bottom: 14px; }

.article-page h1 {
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  margin-bottom: 14px;
}

.article-page .article-meta {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--steel);
  letter-spacing: 0.08em;
  margin-bottom: 40px;
  padding-bottom: 22px;
  border-bottom: 2px solid var(--ink);
}

.article-page h2 {
  font-size: 1.4rem;
  margin: 40px 0 14px;
}

.article-page p { margin-bottom: 18px; color: var(--ink-soft); }

.article-page ul,
.article-page ol {
  margin: 0 0 18px 22px;
  color: var(--ink-soft);
}
.article-page li { margin-bottom: 8px; }

.article-page a { color: var(--accent); font-weight: 600; }
.article-page a:hover { text-decoration: underline; }

.article-page .detay-foto {
  width: 100%;
  height: clamp(220px, 36vw, 420px);
  object-fit: cover;
  margin: 6px 0 36px;
  box-shadow: var(--shadow-md);
}

.article-page .detay-cta {
  margin-top: 40px;
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.article-page .detay-cta .back-link { margin-top: 0; }

.article-page .refs {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.article-page .refs h2 { font-size: 1rem; margin-top: 0; }
.article-page .refs ol { font-size: 0.84rem; color: var(--steel); }
.article-page .refs a { color: var(--steel); font-weight: 400; }

.back-link {
  display: inline-block;
  margin-top: 40px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
}

/* ---------- SSS (FAQ) ---------- */

.faq-list { max-width: 820px; }

.faq {
  background: var(--surface);
  border: 1px solid var(--line);
  margin-bottom: 10px;
  transition: border-color 0.2s ease;
}
.faq[open] { border-color: var(--line-strong); }

.faq summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-weight: 700;
  font-size: 1rem;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.3rem;
  color: var(--accent);
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.faq[open] summary::after { transform: rotate(45deg); }
.faq[open] summary { color: var(--accent); }

.faq .faq-cevap {
  padding: 0 22px 20px;
  color: var(--steel);
  max-width: 70ch;
}

.faq .faq-cevap a { color: var(--accent); font-weight: 600; }

/* ---------- İlgili içerikler ---------- */

.related {
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.related h2 { font-size: 1rem; margin: 0 0 12px; }

.related ul {
  list-style: none;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.related a { color: var(--accent); font-weight: 700; }
.related a:hover { text-decoration: underline; }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--band);
  color: var(--band-soft);
  padding: clamp(56px, 8vw, 88px) 0 36px;
  transition: background-color 0.5s ease;
}

.site-footer.vurgu { background: #47131b; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 56px;
}

.site-footer .logo { color: var(--band-ink); margin-bottom: 16px; }
.site-footer .logo:hover { background: transparent; color: var(--band-ink); }

.site-footer p { font-size: 0.92rem; }

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--band-soft);
  margin-bottom: 18px;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 10px; font-size: 0.92rem; }
.footer-col a { transition: color 0.15s ease; }
.footer-col a:hover { color: var(--accent); }

.footer-social { margin-top: 14px; }
.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
}
.footer-social svg { flex-shrink: 0; }

.footer-bottom {
  border-top: 1px solid var(--band-line);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--band-soft);
  letter-spacing: 0.06em;
}
.footer-bottom a {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--band-soft);
  transition: color 0.15s ease;
}
.footer-bottom a:hover { color: var(--accent); }
.footer-bottom svg { flex-shrink: 0; }

/* ---------- Hesaplayıcı tanıtım bandı ---------- */

.calc-band {
  background: var(--band);
  color: var(--band-ink);
}

.calc-band .lead { color: var(--band-soft); }

.calc-band .calc-tab {
  background: transparent;
  border-color: var(--band-line);
  color: var(--band-soft);
}
.calc-band .calc-tab:hover { border-color: var(--accent); color: var(--band-ink); }
.calc-band .calc-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.calc-band .calc-panel {
  border-color: var(--band-line);
  background: var(--band-2);
  color: var(--band-ink);
}
.calc-band .calc-desc { color: var(--band-soft); }
.calc-band .calc-note { color: var(--band-soft); }
.calc-band .field > label,
.calc-band .field > .field-label { color: var(--band-soft); }
.calc-band .field input,
.calc-band .field select {
  background: var(--band);
  border-color: var(--band-line);
  color: var(--band-ink);
}
.calc-band .result {
  background: #000;
  border: 1px solid var(--band-line);
}

/* ---------- Hesaplayıcılar ---------- */

.calc-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 30px;
  align-items: start;
}

.calc-tabs {
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: sticky;
  top: 96px;
}

.calc-tab {
  text-align: left;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.calc-tab:hover { border-color: var(--accent); }

.calc-tab.active {
  background: var(--btn-solid-bg);
  color: var(--btn-solid-ink);
  border-color: var(--btn-solid-bg);
  clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 0 100%);
}

.calc-panel {
  display: none;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: clamp(26px, 4vw, 40px);
  color: var(--ink);
}

.calc-panel.active { display: block; }

.calc-panel h2 {
  font-size: 1.35rem;
  text-transform: uppercase;
  margin-bottom: 10px;
}

.calc-desc {
  color: var(--steel);
  font-size: 0.95rem;
  margin-bottom: 28px;
  max-width: 60ch;
}

.calc-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
  margin-bottom: 22px;
}

.calc-form .full { grid-column: 1 / -1; }

.field { display: flex; flex-direction: column; gap: 7px; }

.field > label,
.field > .field-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
}

.field input,
.field select,
.field textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
  border-radius: 0;
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

/* İki sütunlu hesaplayıcı formlarında bir etiket tek, diğeri iki satır olsa da
   input kutuları alt kenardan hizalı kalsın (simetri) */
.calc-form .field input,
.calc-form .field select,
.calc-form .field textarea { margin-top: auto; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.radio-row {
  display: flex;
  gap: 22px;
  padding: 12px 0;
}

.radio-row label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.95rem;
  cursor: pointer;
}

.radio-row input { accent-color: var(--accent); }

.result {
  display: none;
  background: var(--band);
  color: var(--band-ink);
  padding: 24px 28px;
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
}

.result.show { display: block; }

.result .num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2rem;
  letter-spacing: -0.02em;
}

.result .unit {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--band-soft);
  margin-left: 6px;
}

.result p {
  color: var(--band-soft);
  font-size: 0.88rem;
  margin-top: 10px;
}

.result strong { color: var(--band-ink); }

.result .zones {
  list-style: none;
  margin-top: 14px;
  display: grid;
  gap: 8px;
}
.result .zones li {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  font-size: 0.85rem;
  color: var(--band-soft);
}
.result .zones strong {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  white-space: nowrap;
}

.calc-note {
  margin-top: 18px;
  font-size: 0.82rem;
  color: var(--steel);
  max-width: 65ch;
}

/* ============================================================
   İLETİŞİM SAYFASI
   ============================================================ */

.page-hero {
  position: relative;
  padding: clamp(56px, 8vw, 96px) 0 clamp(30px, 4vw, 48px);
  background:
    radial-gradient(120% 120% at 100% 0%, var(--accent-soft) 0%, transparent 45%),
    var(--bg);
  border-bottom: 1px solid var(--line);
}
.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  text-transform: uppercase;
  margin-bottom: 16px;
}
.page-hero .lead { max-width: 62ch; }

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.contact-info { display: flex; flex-direction: column; gap: 14px; }

.info-card {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 22px 24px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.info-card:hover { border-color: var(--accent); transform: translateY(-2px); }

.info-card .ic {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: var(--accent);
  background: var(--accent-soft);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}
.info-card .ic svg { width: 22px; height: 22px; }

.info-card h3 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 6px;
}
.info-card p, .info-card a { font-size: 1rem; color: var(--ink); font-weight: 600; }
.info-card a:hover { color: var(--accent); }
.info-card .sub { font-weight: 400; color: var(--steel); font-size: 0.9rem; }

.info-map {
  border: 1px solid var(--line);
  overflow: hidden;
  line-height: 0;
}
.info-map iframe { width: 100%; height: 220px; border: 0; filter: grayscale(0.2); }

.contact-form-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: clamp(26px, 4vw, 42px);
  box-shadow: var(--shadow-sm);
}
.contact-form-wrap h2 {
  font-size: 1.5rem;
  text-transform: uppercase;
  margin-bottom: 6px;
}
.contact-form-wrap .form-intro { color: var(--steel); font-size: 0.94rem; margin-bottom: 26px; }

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px 20px;
}
.contact-form .full { grid-column: 1 / -1; }
.contact-form textarea { min-height: 130px; resize: vertical; }

.form-status {
  margin-top: 18px;
  padding: 16px 20px;
  font-size: 0.94rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--ink);
  display: none;
}
.form-status.show { display: block; }
.form-status.ok { border-left-color: #1c9e5f; background: rgba(28, 158, 95, 0.12); }
.field .err { color: var(--accent); font-size: 0.76rem; font-family: var(--font-mono); min-height: 0; display: none; }
.field.invalid input, .field.invalid select, .field.invalid textarea { border-color: var(--accent); }
.field.invalid .err { display: block; }

.contact-aside-note {
  margin-top: 26px;
  font-size: 0.82rem;
  color: var(--steel);
  font-family: var(--font-mono);
}

/* ============================================================
   ADMIN PANEL
   ============================================================ */

.admin-body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.admin-login-wrap {
  flex: 1;
  display: grid;
  place-items: center;
  padding: 40px 20px;
}
.admin-login {
  width: 100%;
  max-width: 400px;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 40px 34px;
  box-shadow: var(--shadow-md);
}
.admin-login .logo { justify-content: center; margin: 0 0 8px; }
.admin-login h1 { font-size: 1.4rem; text-transform: uppercase; text-align: center; margin-bottom: 6px; }
.admin-login p { text-align: center; color: var(--steel); font-size: 0.9rem; margin-bottom: 26px; }
.admin-login .field { margin-bottom: 16px; }
.admin-login .login-err {
  color: var(--accent);
  font-size: 0.85rem;
  text-align: center;
  margin-top: 14px;
  min-height: 1.2em;
}

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding: 16px clamp(18px, 4vw, 40px);
  background: var(--header-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--header-border);
}
.admin-topbar .logo { margin: 0; }
.admin-topbar .spacer { flex: 1; }
.admin-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }

.btn-sm {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 9px 16px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  transition: border-color 0.15s ease, color 0.15s ease, background 0.15s ease;
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
}
.btn-sm:hover { border-color: var(--accent); color: var(--accent); }
.btn-sm.danger:hover { border-color: var(--accent); background: var(--accent); color: #fff; }

.admin-main { padding: clamp(24px, 4vw, 40px); max-width: 1240px; margin: 0 auto; width: 100%; }

.admin-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 26px;
}
.admin-stat {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 20px 22px;
  border-left: 3px solid var(--accent);
}
.admin-stat .n {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 2rem;
  line-height: 1;
  letter-spacing: -0.02em;
}
.admin-stat .k {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--steel);
  margin-top: 8px;
}

.admin-toolbar {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 18px;
}
.admin-toolbar .search {
  flex: 1;
  min-width: 200px;
  padding: 11px 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  font-family: var(--font-body);
}
.admin-toolbar .search:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.filter-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 9px 14px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--steel);
  cursor: pointer;
  transition: all 0.15s ease;
}
.chip:hover { border-color: var(--accent); color: var(--ink); }
.chip.active { background: var(--band); color: var(--band-ink); border-color: var(--band); }

.msg-list { display: flex; flex-direction: column; gap: 12px; }

.msg-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--line-strong);
  padding: 20px 22px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.msg-card:hover { box-shadow: var(--shadow-sm); }
.msg-card[data-status="yeni"] { border-left-color: var(--accent); }
.msg-card[data-status="okundu"] { border-left-color: #d99a1c; }
.msg-card[data-status="gorusuldu"] { border-left-color: #2f8fdc; }
.msg-card[data-status="kapandi"] { border-left-color: #1c9e5f; opacity: 0.72; }

.msg-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}
.msg-head .who { font-family: var(--font-display); font-weight: 800; font-size: 1.1rem; }
.msg-head .when { font-family: var(--font-mono); font-size: 0.74rem; color: var(--steel); white-space: nowrap; }

.status-badge {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 4px 10px;
  color: #fff;
}
.status-badge.yeni { background: var(--accent); }
.status-badge.okundu { background: #d99a1c; }
.status-badge.gorusuldu { background: #2f8fdc; }
.status-badge.kapandi { background: #1c9e5f; }

.msg-meta {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  margin: 10px 0 14px;
  font-size: 0.88rem;
  color: var(--ink-soft);
}
.msg-meta a { color: var(--accent); font-weight: 600; }
.msg-meta .pkg { color: var(--steel); }
.msg-body {
  font-size: 0.95rem;
  color: var(--ink-soft);
  white-space: pre-wrap;
  padding: 14px 16px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  margin-bottom: 14px;
}
.msg-foot { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.msg-foot select {
  font-family: var(--font-body);
  font-size: 0.85rem;
  padding: 8px 12px;
  border: 1px solid var(--line);
  background: var(--bg);
  color: var(--ink);
}

.empty-state {
  text-align: center;
  padding: 70px 20px;
  color: var(--steel);
  border: 1px dashed var(--line-strong);
  background: var(--surface);
}
.empty-state .big { font-family: var(--font-display); font-weight: 900; font-size: 1.4rem; color: var(--ink); text-transform: uppercase; margin-bottom: 8px; }

/* ---------- Scroll reveal ---------- */

.reveal { opacity: 0; transform: translateY(18px); }
.reveal.visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; }
  .reveal.visible { transition: none; }
  .program-card:hover,
  .article-card:hover,
  .price-card:hover,
  .info-card:hover { transform: none; }
  .btn:hover, .btn:active { transform: none; }
  body, .site-footer { transition: none; }
}

/* ---------- Responsive ---------- */

@media (max-width: 980px) {
  .contact-layout { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .stat:nth-child(odd) { border-left: none; }
  .admin-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  .program-grid,
  .pricing-grid,
  .article-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-slash { width: 46vw; right: -26vw; }

  .calc-layout { grid-template-columns: 1fr; }
  .calc-tabs { position: static; flex-direction: row; flex-wrap: wrap; }
  .calc-tab { flex: 1 1 auto; }

  .nav-toggle { display: block; }
  .nav-actions { margin-left: auto; }

  .nav-links {
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 20px clamp(20px, 4vw, 40px) 28px;
    gap: 18px;
    display: none;
    box-shadow: var(--shadow-md);
  }
  .nav-links a:not(.btn)::after { display: none; }
  .nav-links .btn { width: 100%; }

  .nav-open .nav-links { display: flex; }
}

@media (max-width: 640px) {
  .program-grid,
  .pricing-grid,
  .article-grid,
  .contact-form {
    grid-template-columns: 1fr;
  }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .hero-slash { display: none; }
  .hero { background-size: 32px 32px; }
  .calc-form { grid-template-columns: 1fr; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
}

/* ============================================================
   v3 — DAHA GÜÇLÜ TASARIM KATMANI
   ============================================================ */

/* ---------- Hero rozet + kaydırma ipucu ---------- */
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 26px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 7px 13px;
  clip-path: polygon(0 0, calc(100% - 7px) 0, 100% 7px, 100% 100%, 0 100%);
}
.hero-badge svg { width: 14px; height: 14px; color: var(--accent); }

/* ---------- Kayan disiplin şeridi (marquee) ---------- */
.marquee {
  background: var(--band);
  color: var(--band-ink);
  border-top: 1px solid var(--band-line);
  border-bottom: 1px solid var(--band-line);
  overflow: hidden;
  padding: 16px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.marquee-track {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  width: max-content;
  animation: marquee 34s linear infinite;
}
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee-item {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 1.15rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  padding: 0 30px;
  color: var(--band-ink);
}
.marquee-item::before {
  content: "";
  width: 9px;
  height: 9px;
  margin-right: 30px;
  background: var(--accent);
  transform: rotate(45deg);
}
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Bölüm başlığı numara motifi ---------- */
.section-head.numbered { position: relative; }
.section-head .kicker-num {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3.5rem, 9vw, 6rem);
  line-height: 0.8;
  color: var(--line);
  letter-spacing: -0.04em;
  display: block;
  margin-bottom: -0.15em;
  user-select: none;
}

/* ---------- CTA bandı ---------- */
.cta-band {
  position: relative;
  background: var(--band);
  color: var(--band-ink);
  overflow: hidden;
}
.cta-band .slash-deco {
  position: absolute;
  top: 0;
  right: -8vw;
  width: 42vw;
  height: 100%;
  background: linear-gradient(160deg, var(--accent) 0%, var(--accent-dark) 100%);
  transform: skewX(-14deg);
  opacity: 0.16;
  z-index: 0;
}
.cta-inner {
  position: relative;
  z-index: 1;
  padding: clamp(52px, 8vw, 94px) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 34px;
  flex-wrap: wrap;
}
.cta-copy { max-width: 60ch; }
.cta-band .eyebrow { color: var(--accent); }
.cta-band h2 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  text-transform: uppercase;
  color: var(--band-ink);
}
.cta-band p { color: var(--band-soft); margin-top: 14px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.cta-band .btn-ghost { color: var(--band-ink); box-shadow: inset 0 0 0 1.5px var(--band-soft); }
.cta-band .btn-ghost:hover { background: var(--band-ink); color: var(--band); box-shadow: inset 0 0 0 1.5px var(--band-ink); }

/* ---------- Hesaplayıcı hub kartları ---------- */
.calc-hub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.calc-hub-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 30px 28px;
  overflow: hidden;
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.section-alt .calc-hub-card { background: var(--bg); }
.calc-hub-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 0; height: 3px;
  background: var(--accent);
  transition: width 0.3s ease;
}
.calc-hub-card:hover { border-color: var(--accent); transform: translateY(-4px); box-shadow: var(--shadow-md); }
.calc-hub-card:hover::before { width: 100%; }
.calc-hub-card .idx {
  position: absolute;
  top: 12px;
  right: 18px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--line-strong);
}
.calc-hub-card .icon {
  width: 42px; height: 42px;
  color: var(--accent);
  margin-bottom: 18px;
  transition: transform 0.25s ease;
}
.calc-hub-card:hover .icon { transform: scale(1.08) rotate(-3deg); }
.calc-hub-card h3 { font-size: 1.1rem; text-transform: uppercase; margin-bottom: 8px; }
.calc-hub-card p { color: var(--steel); font-size: 0.9rem; flex: 1; }
.calc-hub-card .more {
  display: inline-flex; align-items: center; gap: 6px;
  margin-top: 16px; font-weight: 700; font-size: 0.85rem;
  color: var(--accent); text-transform: uppercase; letter-spacing: 0.04em;
  transition: gap 0.2s ease;
}
.calc-hub-card:hover .more { gap: 12px; }

/* ---------- Breadcrumb ---------- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 18px;
}
.breadcrumb a { color: var(--steel); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb .sep { color: var(--line-strong); }
.breadcrumb [aria-current] { color: var(--accent); }

/* ---------- Tekil hesaplayıcı sayfası ---------- */
.calc-solo-wrap {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: clamp(22px, 3.5vw, 40px);
  align-items: start;
}
.calc-solo {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: clamp(26px, 4vw, 42px);
  box-shadow: var(--shadow-sm);
}
.calc-solo > h2 { font-size: 1.3rem; text-transform: uppercase; margin-bottom: 10px; }
.calc-side { display: flex; flex-direction: column; gap: 16px; }
.calc-side-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  padding: 24px 26px;
}
.calc-side-card h3 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 12px;
}
.calc-side-card p { font-size: 0.92rem; color: var(--ink-soft); margin-bottom: 12px; }
.calc-side-card p:last-child { margin-bottom: 0; }
.calc-side-card .btn { margin-top: 6px; }

.calc-siblings {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 22px 24px;
}
.calc-siblings h3 {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 14px;
}
.calc-siblings ul { list-style: none; display: flex; flex-direction: column; }
.calc-siblings li { border-top: 1px solid var(--line); }
.calc-siblings li:first-child { border-top: none; }
.calc-siblings a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 0;
  font-weight: 600;
  font-size: 0.94rem;
  transition: color 0.15s ease, padding 0.15s ease;
}
.calc-siblings a::after { content: "→"; color: var(--accent); opacity: 0; transition: opacity 0.15s ease; }
.calc-siblings a:hover { color: var(--accent); padding-left: 6px; }
.calc-siblings a:hover::after { opacity: 1; }
.calc-siblings a[aria-current] { color: var(--accent); }

@media (max-width: 900px) {
  .calc-hub-grid { grid-template-columns: 1fr 1fr; }
  .calc-solo-wrap { grid-template-columns: 1fr; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .calc-hub-grid { grid-template-columns: 1fr; }
  .marquee-item { font-size: 1rem; padding: 0 20px; }
  .marquee-item::before { margin-right: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  .calc-hub-card:hover { transform: none; }
}

/* ============================================================
   SEO düzeltmeleri (v2 ek) — 2026-07-08
   answer-lead, article-byline, ekip, yorumlar, breadcrumb, program
   ============================================================ */

/* Cevap-önce (AEO) blok — blog + hesaplayıcı yazılarında */
.answer-lead {
  border-left: 3px solid var(--accent);
  background: var(--surface-2);
  padding: 14px 18px;
  margin: 18px 0 22px;
  border-radius: 4px;
}
.answer-lead p { margin: 0; font-size: 1.02rem; line-height: 1.55; color: var(--ink); }
.answer-lead strong { color: var(--accent-dark); }
:root[data-theme="dark"] .answer-lead,
[data-theme="dark"] .answer-lead { background: var(--band-2); }
:root[data-theme="dark"] .answer-lead p,
[data-theme="dark"] .answer-lead p { color: var(--band-ink); }

/* Yazar imzası + tarih */
.article-byline {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.82rem;
  color: var(--steel);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 10px 0;
  margin: 14px 0 22px;
  letter-spacing: 0.02em;
}
.article-byline strong { color: var(--ink); font-weight: 600; }
.article-byline .byline-sep { margin: 0 8px; color: var(--line-strong); }

/* Blog + program içi görsel breadcrumb (hesaplayıcı ile aynı görünüm) */
.article-page .breadcrumb,
.detail-page .breadcrumb {
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.78rem;
  color: var(--steel);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.article-page .breadcrumb a,
.detail-page .breadcrumb a { color: var(--steel); text-decoration: none; }
.article-page .breadcrumb a:hover,
.detail-page .breadcrumb a:hover { color: var(--accent); }
.article-page .breadcrumb .sep,
.detail-page .breadcrumb .sep { margin: 0 6px; color: var(--line-strong); }

/* Program sayfası genişletilmiş içerik */
.program-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 18px 0 24px;
}
.program-fact {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--surface-2);
}
.program-fact strong { display: block; font-size: 0.78rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-dark); margin-bottom: 4px; }
.program-fact span { color: var(--ink-soft); font-size: 0.95rem; line-height: 1.45; }

/* Program SSS */
.program-faq {
  margin: 24px 0;
}
.program-faq details {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 8px;
  background: var(--surface-2);
}
.program-faq summary { cursor: pointer; font-weight: 600; color: var(--ink); }
.program-faq details[open] summary { color: var(--accent); }
.program-faq details p { margin: 10px 0 4px; color: var(--ink-soft); line-height: 1.6; }

/* Ekip bölümü */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 18px;
  margin-top: 22px;
}
.team-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-align: left;
  box-shadow: var(--shadow-sm);
}
.team-card .avatar {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--surface-3);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); font-weight: 800; font-size: 1.6rem;
  margin-bottom: 12px;
}
.team-card h3 { font-size: 1.05rem; margin: 0 0 4px; }
.team-card .role { font-family: "IBM Plex Mono", ui-monospace, monospace; font-size: 0.78rem; color: var(--accent-dark); letter-spacing: 0.05em; text-transform: uppercase; margin: 0 0 10px; }
.team-card p { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.5; margin: 0; }

/* Yorumlar bölümü */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  margin-top: 22px;
}
.review-card {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.review-card .stars { color: #f5a623; font-size: 1.02rem; letter-spacing: 2px; margin-bottom: 8px; }
.review-card blockquote { margin: 0 0 12px; font-size: 0.98rem; line-height: 1.55; color: var(--ink); font-style: normal; }
.review-card blockquote::before { content: "\201C"; color: var(--accent); font-weight: 800; margin-right: 2px; }
.review-card blockquote::after { content: "\201D"; color: var(--accent); font-weight: 800; margin-left: 2px; }
.review-card .review-meta { font-size: 0.82rem; color: var(--steel); font-family: "IBM Plex Mono", ui-monospace, monospace; }
.reviews-cta {
  margin-top: 18px;
  text-align: center;
  font-size: 0.92rem;
  color: var(--steel);
}
.reviews-cta a { color: var(--accent); font-weight: 600; }

/* Ratingler (görsel yıldız + puan) */
.rating-band {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  font-family: "IBM Plex Mono", ui-monospace, monospace;
  font-size: 0.85rem;
  color: var(--ink);
}
.rating-band .stars { color: #f5a623; letter-spacing: 1px; }

/* Ulaşım bölümü */
.transport-list {
  margin-top: 16px;
  display: grid;
  gap: 10px;
}
.transport-list li {
  padding: 10px 14px;
  background: var(--surface-2);
  border-left: 3px solid var(--accent);
  border-radius: 4px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  list-style: none;
}

@media (max-width: 640px) {
  .program-detail-grid { grid-template-columns: 1fr; }
  .team-grid { grid-template-columns: 1fr; }
}