/*
 * hasandenizaltuntas.com
 * Gece mavisi yüzeyler, turkuaz → mor → limon vurgu; başlıklarda Bricolage
 * Grotesque, metinde Geist, etiketlerde Geist Mono. Açık tema da aynı paletten.
 */

:root {
  --font-display: 'Bricolage Grotesque', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Geist', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --font-mono: 'Geist Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --bg: #07090f;
  --bg-2: #0c111b;
  --surface: rgba(255, 255, 255, 0.035);
  --surface-2: rgba(255, 255, 255, 0.06);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);
  --text: #eef2f8;
  --text-2: #a4adbd;
  --text-3: #6b7486;

  --cyan: #2ee6d6;
  --violet: #8b7bff;
  --lime: #c8f169;
  --accent: var(--cyan);
  --accent-ink: #04121a;
  --grad: linear-gradient(110deg, var(--cyan) 0%, var(--violet) 55%, var(--lime) 100%);

  --contour: rgba(46, 230, 214, 0.22);
  --contour-2: rgba(139, 123, 255, 0.18);
  --glow-a: rgba(46, 230, 214, 0.18);
  --glow-b: rgba(139, 123, 255, 0.2);

  --radius: 20px;
  --radius-sm: 12px;
  --max: 1160px;
  --gutter: clamp(16px, 4vw, 40px);
  --shadow: 0 30px 80px -40px rgba(0, 0, 0, 0.8);

  color-scheme: dark;
}

:root[data-theme='light'] {
  --bg: #f6f7fb;
  --bg-2: #eceff6;
  --surface: rgba(10, 20, 40, 0.03);
  --surface-2: rgba(10, 20, 40, 0.055);
  --border: rgba(10, 20, 40, 0.09);
  --border-strong: rgba(10, 20, 40, 0.18);
  --text: #0b1020;
  --text-2: #4a5468;
  --text-3: #7c8598;

  --cyan: #0bb3a6;
  --violet: #6552f0;
  --lime: #6c9a12;
  --accent-ink: #ffffff;

  --contour: rgba(11, 179, 166, 0.22);
  --contour-2: rgba(101, 82, 240, 0.16);
  --glow-a: rgba(11, 179, 166, 0.14);
  --glow-b: rgba(101, 82, 240, 0.14);
  --shadow: 0 30px 70px -45px rgba(20, 30, 60, 0.45);

  color-scheme: light;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme='dark']) {
    --bg: #f6f7fb;
    --bg-2: #eceff6;
    --surface: rgba(10, 20, 40, 0.03);
    --surface-2: rgba(10, 20, 40, 0.055);
    --border: rgba(10, 20, 40, 0.09);
    --border-strong: rgba(10, 20, 40, 0.18);
    --text: #0b1020;
    --text-2: #4a5468;
    --text-3: #7c8598;
    --cyan: #0bb3a6;
    --violet: #6552f0;
    --lime: #6c9a12;
    --accent-ink: #ffffff;
    --contour: rgba(11, 179, 166, 0.22);
    --contour-2: rgba(101, 82, 240, 0.16);
    --glow-a: rgba(11, 179, 166, 0.14);
    --glow-b: rgba(101, 82, 240, 0.14);
    --shadow: 0 30px 70px -45px rgba(20, 30, 60, 0.45);
    color-scheme: light;
  }
}

/* ---------- Dil: iki dil aynı sayfada, biri gizlenir ---------- */
html[lang='tr'] [lang='en']:not(html),
html[lang='en'] [lang='tr']:not(html) {
  display: none !important;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16.5px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

::selection {
  background: var(--cyan);
  color: var(--accent-ink);
}

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 100;
  background: var(--text);
  color: var(--bg);
  padding: 8px 14px;
  border-radius: 8px;
}

.skip:focus {
  left: 12px;
}

.wrap {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.mono {
  font-family: var(--font-mono);
}

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- Arka plan: eş yükselti eğrileri + ışık ---------- */
.backdrop {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

.backdrop canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.9;
  -webkit-mask-image: radial-gradient(ellipse 90% 70% at 70% 20%, #000 20%, transparent 75%);
  mask-image: radial-gradient(ellipse 90% 70% at 70% 20%, #000 20%, transparent 75%);
}

.backdrop::before,
.backdrop::after {
  content: '';
  position: absolute;
  width: 60vmax;
  height: 60vmax;
  border-radius: 50%;
  filter: blur(80px);
}

.backdrop::before {
  background: var(--glow-a);
  top: -25vmax;
  right: -15vmax;
}

.backdrop::after {
  background: var(--glow-b);
  top: 10vmax;
  left: -30vmax;
}

.grain {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------- Üst çubuk ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 14px 0;
  transition: background-color 0.3s ease, border-color 0.3s ease, backdrop-filter 0.3s ease;
  border-bottom: 1px solid transparent;
}

.nav.scrolled {
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  backdrop-filter: saturate(160%) blur(16px);
  border-bottom-color: var(--border);
}

.nav .wrap {
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: var(--grad);
  color: #05101a;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.nav-links {
  display: flex;
  gap: 4px;
  margin-left: auto;
}

.nav-links a {
  padding: 8px 12px;
  border-radius: 999px;
  color: var(--text-2);
  font-size: 14.5px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
  background: var(--surface-2);
}

.nav-tools {
  display: flex;
  gap: 6px;
}

.icon-btn {
  height: 38px;
  min-width: 38px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  display: inline-grid;
  place-items: center;
  cursor: pointer;
  font: 600 12.5px/1 var(--font-mono);
  letter-spacing: 0.04em;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.icon-btn:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.icon-btn svg {
  width: 17px;
  height: 17px;
}

.theme-btn .sun {
  display: none;
}

:root[data-theme='light'] .theme-btn .sun {
  display: block;
}

:root[data-theme='light'] .theme-btn .moon {
  display: none;
}

.menu-btn {
  display: none;
}

/* ---------- Hero ---------- */
.hero {
  padding: clamp(56px, 11vw, 132px) 0 clamp(56px, 8vw, 96px);
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(32px, 5vw, 72px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px 6px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  color: var(--text-2);
  font: 500 13px/1.3 var(--font-mono);
}

.eyebrow .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--lime) 20%, transparent);
  animation: pulse 2.4s ease-in-out infinite;
}

@keyframes pulse {
  50% {
    box-shadow: 0 0 0 8px color-mix(in srgb, var(--lime) 0%, transparent);
  }
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(44px, 7.4vw, 86px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin: 26px 0 22px;
  font-variation-settings: 'wdth' 90;
}

.hero h1 .line {
  display: block;
}

.hero .lead {
  font-size: clamp(17px, 1.6vw, 20px);
  color: var(--text-2);
  max-width: 36em;
  margin: 0 0 32px;
}

.hero .lead strong {
  color: var(--text);
  font-weight: 600;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  color: var(--text);
  transition: transform 0.2s ease, background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
  border-color: var(--text-3);
}

.btn svg {
  width: 18px;
  height: 18px;
  flex: none;
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  border-color: transparent;
}

.btn-primary:hover {
  box-shadow: 0 14px 40px -12px color-mix(in srgb, var(--cyan) 60%, transparent);
  border-color: transparent;
}

/* Kimlik kartı */
.id-card {
  position: relative;
  border-radius: 28px;
  padding: 1px;
  background: linear-gradient(160deg, color-mix(in srgb, var(--cyan) 55%, transparent), var(--border) 40%, color-mix(in srgb, var(--violet) 50%, transparent));
  box-shadow: var(--shadow);
}

.id-card-inner {
  border-radius: 27px;
  background: color-mix(in srgb, var(--bg-2) 88%, transparent);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  padding: 28px;
  overflow: hidden;
  position: relative;
}

.id-top {
  display: flex;
  align-items: center;
  gap: 16px;
}

.avatar {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  background: var(--grad);
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  color: #05101a;
  letter-spacing: -0.04em;
  flex: none;
}

.id-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.id-role {
  color: var(--text-2);
  font-size: 14px;
  margin-top: 2px;
}

.id-rows {
  margin: 24px 0 0;
  display: grid;
  gap: 2px;
}

.id-row {
  display: grid;
  grid-template-columns: 104px 1fr;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px dashed var(--border);
  font-size: 14.5px;
}

.id-row dt {
  color: var(--text-3);
  font: 500 12px/1.9 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.id-row dd {
  margin: 0;
}

.id-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 18px;
}

.id-link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 14px 8px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text-2);
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease, background-color 0.2s ease;
}

.id-link svg {
  width: 22px;
  height: 22px;
}

.id-link:hover {
  color: var(--text);
  border-color: var(--border-strong);
  background: var(--surface-2);
  transform: translateY(-2px);
}

.id-link.linkedin:hover {
  color: #0a8cff;
}

.id-link.orcid:hover {
  color: #a6ce39;
}

/* Kayan konu şeridi */
.marquee {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
  padding: 18px 0;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 10%, #000 90%, transparent);
}

.marquee-track {
  display: flex;
  gap: 40px;
  width: max-content;
  animation: marquee 40s linear infinite;
}

.marquee-track span {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 28px);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: var(--text-3);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 40px;
}

.marquee-track span::after {
  content: '✦';
  font-size: 0.6em;
  color: var(--cyan);
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

/* ---------- Bölümler ---------- */
section.block {
  padding: clamp(72px, 10vw, 128px) 0 0;
}

.sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.sec-kicker {
  font: 500 13px/1 var(--font-mono);
  color: var(--cyan);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}

.sec-kicker::before {
  content: '';
  width: 28px;
  height: 1px;
  background: currentColor;
}

.sec-head h2 {
  font-family: var(--font-display);
  font-size: clamp(34px, 5.4vw, 60px);
  line-height: 1;
  letter-spacing: -0.04em;
  margin: 0;
  font-weight: 700;
}

.sec-head p {
  margin: 14px 0 0;
  color: var(--text-2);
  max-width: 40em;
}

.sec-num {
  font: 500 13px/1 var(--font-mono);
  color: var(--text-3);
}

/* Hakkında */
.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.about-text p {
  font-size: clamp(18px, 1.9vw, 22px);
  line-height: 1.55;
  margin: 0 0 20px;
  letter-spacing: -0.01em;
  color: var(--text-2);
}

.about-text p strong {
  color: var(--text);
  font-weight: 600;
}

.focus-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  align-content: start;
}

.focus {
  padding: 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.25s ease, transform 0.25s ease;
}

.focus:hover {
  border-color: var(--border-strong);
  transform: translateY(-3px);
}

.focus-ico {
  width: 38px;
  height: 38px;
  border-radius: 11px;
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  background: color-mix(in srgb, var(--c, var(--cyan)) 14%, transparent);
  color: var(--c, var(--cyan));
}

.focus-ico svg {
  width: 20px;
  height: 20px;
}

.focus h3 {
  margin: 0 0 4px;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.focus p {
  margin: 0;
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.5;
}

/* Deneyim ve eğitim: zaman çizelgesi */
.cv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 4vw, 48px);
}

.cv-col h3 {
  font: 500 13px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.cv-col h3 svg {
  width: 18px;
  height: 18px;
  color: var(--violet);
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 7px;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(var(--cyan), var(--violet), transparent);
  opacity: 0.5;
}

.tl-item {
  position: relative;
  padding: 0 0 18px 34px;
}

.tl-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 22px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--cyan);
}

.tl-item.current::before {
  background: var(--cyan);
  box-shadow: 0 0 0 5px color-mix(in srgb, var(--cyan) 18%, transparent);
}

.tl-card {
  padding: 18px 20px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  transition: border-color 0.25s ease, background-color 0.25s ease;
}

.tl-card:hover {
  border-color: var(--border-strong);
  background: var(--surface-2);
}

.tl-when {
  font: 500 12.5px/1 var(--font-mono);
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.tl-card h4 {
  margin: 8px 0 2px;
  font-size: 17px;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.tl-org {
  color: var(--text-2);
  font-size: 14.5px;
}

.tl-card p {
  margin: 10px 0 0;
  font-size: 14.5px;
  color: var(--text-3);
  line-height: 1.55;
}

.badge {
  display: inline-block;
  margin-left: 6px;
  padding: 2px 8px;
  border-radius: 999px;
  font: 600 10.5px/1.6 var(--font-mono);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: var(--lime);
  vertical-align: 2px;
}

/* Yayınlar */
.pub-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.chip {
  height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-2);
  font: 500 13px/1 var(--font-mono);
  cursor: pointer;
  transition: all 0.2s ease;
}

.chip:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.chip[aria-pressed='true'] {
  background: var(--text);
  color: var(--bg);
  border-color: transparent;
}

.pub-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--border);
}

.pub {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto;
  gap: 24px;
  align-items: start;
  padding: 26px 8px;
  border-bottom: 1px solid var(--border);
  transition: background-color 0.25s ease;
  border-radius: 4px;
}

.pub:hover {
  background: var(--surface);
}

.pub-year {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1;
  color: var(--text-3);
}

.pub:hover .pub-year {
  color: var(--cyan);
}

.pub-type {
  font: 500 11.5px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--violet);
  margin-bottom: 8px;
}

.pub h3 {
  margin: 0 0 6px;
  font-size: clamp(17px, 1.7vw, 19px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
}

.pub-authors {
  font-size: 14.5px;
  color: var(--text-2);
}

.pub-authors b {
  color: var(--text);
  font-weight: 600;
}

.pub-venue {
  font-size: 14px;
  color: var(--text-3);
  font-style: italic;
  margin-top: 2px;
}

.pub-link {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  display: grid;
  place-items: center;
  color: var(--text-2);
  transition: all 0.2s ease;
}

.pub-link svg {
  width: 18px;
  height: 18px;
}

.pub-link:hover {
  color: var(--accent-ink);
  background: var(--cyan);
  border-color: transparent;
  transform: rotate(-45deg);
}

.pub-more {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  color: var(--text-3);
  font-size: 14.5px;
}

/* Projeler: Lythos */
.lythos {
  border-radius: 28px;
  border: 1px solid var(--border);
  background:
    radial-gradient(120% 90% at 100% 0%, color-mix(in srgb, var(--violet) 16%, transparent), transparent 60%),
    radial-gradient(90% 80% at 0% 100%, color-mix(in srgb, var(--cyan) 12%, transparent), transparent 60%),
    var(--surface);
  overflow: hidden;
}

.lythos-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(24px, 4vw, 48px);
  padding: clamp(24px, 4vw, 48px);
  align-items: center;
}

.lythos-label {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font: 500 12.5px/1 var(--font-mono);
  color: var(--lime);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.lythos h3 {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin: 14px 0 16px;
}

.lythos-top p {
  color: var(--text-2);
  margin: 0 0 24px;
  max-width: 34em;
}

.stats {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  margin: 0 0 28px;
}

.stat b {
  display: block;
  font-family: var(--font-display);
  font-size: 34px;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat span {
  font: 500 12px/1.4 var(--font-mono);
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.shot {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow);
  transform: perspective(1400px) rotateY(-8deg) rotateX(4deg);
  transition: transform 0.6s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.shot:hover {
  transform: perspective(1400px) rotateY(0) rotateX(0);
}

.shot-bar {
  height: 30px;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 12px;
  background: #16171b;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.shot-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #3a3b40;
}

.shot-bar span {
  margin-left: 10px;
  font: 500 11px/1 var(--font-mono);
  color: #7d808a;
}

.products {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--border);
}

.product {
  padding: 22px 22px 24px;
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
  transition: background-color 0.25s ease;
}

.product:nth-child(4n) {
  border-right: 0;
}

.product:nth-last-child(-n + 4) {
  border-bottom: 0;
}

.product:hover {
  background: var(--surface-2);
}

.product-cat {
  font: 500 11px/1 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-3);
}

.product h4 {
  margin: 10px 0 4px;
  font-family: var(--font-display);
  font-size: 19px;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.product h4 svg {
  width: 16px;
  height: 16px;
  color: var(--text-3);
  transition: transform 0.2s ease, color 0.2s ease;
}

.product:hover h4 svg {
  color: var(--cyan);
  transform: translate(2px, -2px);
}

.product p {
  margin: 0;
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.5;
}

.product code {
  display: inline-block;
  margin-top: 12px;
  font: 500 12px/1 var(--font-mono);
  color: var(--text-3);
  padding: 6px 8px;
  border-radius: 6px;
  background: var(--surface-2);
}

.product::after {
  content: '';
  position: absolute;
  inset: 0;
}

/* İletişim */
.contact {
  margin: clamp(72px, 10vw, 128px) 0 0;
  border-radius: 32px;
  padding: clamp(28px, 4vw, 48px);
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--bg-2);
  text-align: center;
}

.contact::before {
  content: '';
  position: absolute;
  inset: -1px;
  background:
    radial-gradient(60% 80% at 50% 120%, color-mix(in srgb, var(--cyan) 30%, transparent), transparent 70%),
    radial-gradient(40% 60% at 10% -10%, color-mix(in srgb, var(--violet) 26%, transparent), transparent 70%);
  pointer-events: none;
}

.contact > * {
  position: relative;
}

.contact h2 {
  font-family: var(--font-display);
  font-size: clamp(36px, 6.4vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.045em;
  margin: 0 auto 18px;
  max-width: 12em;
}

.contact p {
  color: var(--text-2);
  margin: 0 auto 32px;
  max-width: 34em;
}

.contact .cta-row {
  justify-content: center;
}

/* Alt bilgi */
footer {
  padding: 40px 0 48px;
  color: var(--text-3);
  font-size: 14px;
}

footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  align-items: center;
}

footer nav {
  display: flex;
  gap: 18px;
}

footer a:hover {
  color: var(--text);
}

/* ---------- Belirme animasyonu ---------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--d, 0s);
}

.reveal.in {
  opacity: 1;
  transform: none;
}

.no-js .reveal {
  opacity: 1;
  transform: none;
}

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

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .shot {
    transform: none;
  }
}

/* ---------- Duyarlı yerleşim ---------- */
@media (max-width: 1000px) {
  .products {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product:nth-child(4n) {
    border-right: 1px solid var(--border);
  }

  .product:nth-child(2n) {
    border-right: 0;
  }

  .product:nth-last-child(-n + 4) {
    border-bottom: 1px solid var(--border);
  }

  .product:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
}

@media (max-width: 900px) {
  .hero-grid,
  .about-grid,
  .cv-grid,
  .lythos-top {
    grid-template-columns: minmax(0, 1fr);
  }

  .shot {
    transform: none;
  }

  .nav-links {
    position: fixed;
    top: 66px;
    left: 12px;
    right: 12px;
    flex-direction: column;
    gap: 2px;
    padding: 10px;
    border-radius: 18px;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg-2) 96%, transparent);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }

  .nav-links.open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav-links a {
    padding: 12px 14px;
    border-radius: 12px;
    font-size: 16px;
  }

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

  .menu-btn {
    display: inline-grid;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 16px;
  }

  .sec-head {
    grid-template-columns: minmax(0, 1fr);
  }

  .sec-num {
    display: none;
  }

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

  .pub {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 8px 16px;
    padding: 22px 4px;
  }

  .pub-year {
    grid-column: 1 / -1;
    font-size: 22px;
  }

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

  .product,
  .product:nth-child(n) {
    border-right: 0;
    border-bottom: 1px solid var(--border);
  }

  .product:last-child {
    border-bottom: 0;
  }

  .id-row {
    grid-template-columns: 86px 1fr;
  }

  .brand-name {
    display: none;
  }
}