/* ==========================================================================
   Lume Labs — tasarım sistemi

   Tek sayfa: hero → projeler → deneyim.
   Genel his (temiz beyaz zemin, geometrik sans, 1rem radius, pill butonlar,
   pill etiketli kartlar) Canva taslağınızdan geliyor. Hiçbir sitenin
   düzeni, görseli ya da paleti kopyalanmadı; renkler Lume Labs logosundan
   (#1f58f1), tipografi Poppins (SIL Open Font License, ticari kullanım serbest).
   ========================================================================== */

@import url('fonts.css');

/* ---------- tokens ---------- */
:root {
  /* marka */
  --lume-blue:        #1f58f1;   /* logo dosyasından */
  --lume-blue-700:    #1743c4;
  --lume-blue-100:    #dfe8ff;
  --lume-blue-50:     #f0f4ff;

  /* nötr — sıcak tarafa çekildi, saf beyaz değil */
  --ink:              #0e1116;
  --ink-soft:         #2b3038;
  --muted:            #5f6773;
  --muted-2:          #8b929c;
  --line:             #e3e5ea;
  --line-soft:        #eef0f3;
  --paper:            #ffffff;
  --paper-warm:       #f7f7f5;
  --paper-tint:       #f2f4f8;


  /* tipografi */
  --font: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-display: clamp(2.25rem, 1.45rem + 2.9vw, 3.875rem);
  --fs-h1:      clamp(1.9rem, 1.25rem + 2.2vw, 3rem);
  --fs-h2:      clamp(1.5rem, 1.15rem + 1.3vw, 2.15rem);
  --fs-h3:      clamp(1.125rem, 1.02rem + .4vw, 1.375rem);
  --fs-body:    clamp(.9375rem, .9rem + .18vw, 1.0625rem);
  --fs-small:   .875rem;
  --fs-micro:   .75rem;

  /* ritim */
  --r-sm: .5rem;
  --r:    1rem;      /* Appen'in baskın radius'u */
  --r-lg: 1.5rem;
  --r-pill: 50rem;

  --gap:   1.25rem;
  --pad-x: clamp(1.25rem, .5rem + 3vw, 4rem);
  --sect:  clamp(4rem, 2.5rem + 5vw, 7.5rem);
  --maxw:  1320px;

  --shadow-card: 0 1px 2px rgba(14,17,22,.04), 0 8px 24px -12px rgba(14,17,22,.12);
  --shadow-lift: 0 2px 4px rgba(14,17,22,.05), 0 18px 40px -18px rgba(14,17,22,.20);

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- reset / temel ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-body);
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; line-height: 1.14; letter-spacing: -.022em; }
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
:focus-visible { outline: 2px solid var(--lume-blue); outline-offset: 3px; border-radius: 4px; }

/* ---------- yardımcılar ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad-x); }
.section { padding-block: var(--sect); }
section[id] { scroll-margin-top: 88px; }
.section--tint { background: var(--paper-warm); }
.section-head + .cards { margin-top: clamp(2.25rem, 1rem + 2.5vw, 3.5rem); }
.stack > * + * { margin-top: var(--flow, 1rem); }
.lead { font-size: clamp(1rem, .95rem + .35vw, 1.1875rem); color: var(--muted); line-height: 1.7; }
.muted { color: var(--muted); }
.center { text-align: center; }

.eyebrow {
  display: inline-block;
  font-size: var(--fs-micro); font-weight: 600;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--lume-blue);
}
.section-head { max-width: 62ch; }
.section-head h2 { font-size: var(--fs-h2); margin-top: .875rem; }
.section-head .lead { margin-top: .875rem; }

/* ---------- butonlar (Appen: siyah pill + altı çizili metin link) ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  padding: .875rem 1.625rem;
  border: 1px solid transparent; border-radius: var(--r-pill);
  font-size: var(--fs-small); font-weight: 500; letter-spacing: -.01em;
  cursor: pointer; white-space: nowrap;
  transition: background-color .22s var(--ease), color .22s var(--ease),
              border-color .22s var(--ease), transform .22s var(--ease);
}
.btn:hover { transform: translateY(-1px); }
.btn--dark  { background: var(--ink); color: #fff; }
.btn--dark:hover { background: var(--lume-blue); }
.btn--blue  { background: var(--lume-blue); color: #fff; }
.btn--blue:hover { background: var(--lume-blue-700); }
.btn--ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn--ghost:hover { border-color: var(--ink); }
.btn--sm { padding: .625rem 1.125rem; font-size: var(--fs-micro); }

.link-u {
  display: inline-flex; align-items: center; gap: .4rem;
  font-size: var(--fs-small); font-weight: 500;
  border-bottom: 1px solid currentColor; padding-bottom: 2px;
  transition: color .2s var(--ease), gap .2s var(--ease);
}
button.link-u {
  background: none; border: 0; border-bottom: 1px solid currentColor;
  padding: 0 0 2px; cursor: pointer;
}
.link-u:hover { color: var(--lume-blue); gap: .65rem; }
.link-u .arw { transition: transform .2s var(--ease); }
.link-u:hover .arw { transform: translateX(2px); }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--line-soft);
}
.nav {
  display: flex; align-items: center; gap: clamp(1rem, .4rem + 2vw, 2.75rem);
  min-height: 74px;
}
.brand { display: flex; align-items: center; flex: none; margin-right: auto; }
.brand img { width: clamp(82px, 6.4vw, 98px); height: auto; }
.nav__links { display: flex; align-items: center; gap: clamp(1rem, .5rem + 1.4vw, 2rem); }
.nav__links a {
  position: relative; font-size: var(--fs-small); font-weight: 500; color: var(--ink-soft);
  padding-block: .35rem; transition: color .2s var(--ease);
}
.nav__links a::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -2px; height: 2px;
  background: var(--lume-blue); transform: scaleX(0); transform-origin: left;
  transition: transform .24s var(--ease);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after { transform: scaleX(1); }
.nav__links a[aria-current="page"] { color: var(--ink); }
/* dil değiştirici — mobilde de her zaman görünür */
.lang { display: flex; align-items: center; gap: .375rem; flex: none; }
.lang__btn {
  padding: .25rem .125rem; background: none; border: 0; cursor: pointer;
  font-size: var(--fs-micro); font-weight: 500; letter-spacing: .06em;
  color: var(--muted-2); transition: color .2s var(--ease);
}
.lang__btn:hover { color: var(--ink); }
.lang__btn.is-active { color: var(--ink); font-weight: 600; }
.lang__sep { color: var(--line); font-size: var(--fs-micro); }

.nav__toggle {
  display: none; flex: none;
  width: 42px; height: 42px; padding: 0;
  background: transparent; border: 1px solid var(--line); border-radius: var(--r-sm);
  cursor: pointer;
}
.nav__toggle span,
.nav__toggle span::before,
.nav__toggle span::after {
  display: block; width: 17px; height: 1.5px; background: var(--ink);
  margin-inline: auto; border-radius: 2px; transition: transform .22s var(--ease), opacity .18s;
}
.nav__toggle span::before, .nav__toggle span::after { content: ""; }
.nav__toggle span::before { transform: translateY(-5.5px); }
.nav__toggle span::after  { transform: translateY(4px); }
.nav__toggle[aria-expanded="true"] span { transform: rotate(45deg); }
.nav__toggle[aria-expanded="true"] span::before { opacity: 0; }
.nav__toggle[aria-expanded="true"] span::after  { transform: rotate(-90deg) translateX(4px); }

@media (max-width: 860px) {
  .nav__toggle { display: block; }
  .nav__links { display: none; }
  .site-header[data-open="true"] .nav__links {
    display: flex; flex-direction: column; align-items: flex-start;
    width: 100%; gap: 1rem;
  }
  .site-header[data-open="true"] .nav {
    flex-wrap: wrap; align-items: flex-start; padding-bottom: 1.5rem; row-gap: 1.25rem;
  }
  .site-header[data-open="true"] .nav__links { padding-top: .5rem; border-top: 1px solid var(--line-soft); }
  .nav__links a { font-size: 1.0625rem; }
}

/* ---------- hero — tipografik, fotoğrafsız ---------- */
.hero {
  position: relative; overflow: hidden;
  display: flex; align-items: center;
  min-height: clamp(500px, 80vh, 740px);
  padding-block: clamp(3.5rem, 2rem + 5vw, 6.5rem);
  background: var(--paper);
}
/* ---------- hero arka plan varyantları ----------
   Değiştirmek için index.html'deki <section class="hero" data-hero="…">
   değerini yaz: light | grid | beam | plain. Hepsi saf CSS, görsel yok. */
.hero__light { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }

/* — light: çok yavaş nefes alan iki yumuşak aydınlanma (varsayılan) — */
.hero[data-hero="light"] .hero__light::before,
.hero[data-hero="light"] .hero__light::after { content: ""; position: absolute; border-radius: 50%; }
.hero[data-hero="light"] .hero__light::before {
  top: -62%; right: -22%;
  width: min(104vw, 1180px); aspect-ratio: 1;
  background: radial-gradient(closest-side,
    rgba(31,88,241,.15) 0%, rgba(31,88,241,.06) 42%, rgba(31,88,241,.015) 66%, rgba(31,88,241,0) 82%);
  animation: breathe 22s var(--ease) infinite alternate;
}
.hero[data-hero="light"] .hero__light::after {
  bottom: -48%; left: -18%;
  width: min(72vw, 820px); aspect-ratio: 1;
  background: radial-gradient(closest-side,
    rgba(14,17,22,.055) 0%, rgba(14,17,22,0) 70%);
  animation: breathe 30s var(--ease) infinite alternate-reverse;
}
@keyframes breathe {
  from { transform: translate3d(0, 0, 0) scale(1);       opacity: .82; }
  to   { transform: translate3d(-3%, 4%, 0) scale(1.14); opacity: 1; }
}

/* — grid: teknik çizim hissi, ince dikey kolon çizgileri — */
.hero[data-hero="grid"] .hero__light {
  background-image: repeating-linear-gradient(90deg,
    var(--line) 0 1px, transparent 1px clamp(72px, 8vw, 116px));
  -webkit-mask-image: linear-gradient(180deg, transparent 0, #000 18%, #000 58%, transparent 94%);
          mask-image: linear-gradient(180deg, transparent 0, #000 18%, #000 58%, transparent 94%);
  opacity: .8;
}

/* — beam: alt çizgi üzerinde çok yavaş ilerleyen tek ışık — */
.hero[data-hero="beam"] .hero__light::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 18%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--lume-blue), transparent);
  animation: beam 11s linear infinite;
}
@keyframes beam {
  from { transform: translateX(-100%); }
  to   { transform: translateX(556%); }
}

/* — pulse: ışık imleci yumuşakça takip eder (dokunmatikte nefes alır) — */
.hero[data-hero="pulse"] .hero__light::before {
  content: ""; position: absolute;
  top: -34%; right: -14%;
  width: min(96vw, 1020px); aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(closest-side,
    rgba(31,88,241,.14) 0%, rgba(31,88,241,.055) 42%, rgba(31,88,241,.014) 66%, rgba(31,88,241,0) 82%);
  animation: breathe 22s var(--ease) infinite alternate;
}
/* imleç hero'ya girdiği anda ışık serbest kalır ve peşinden gelir */
.hero[data-hero="pulse"][data-pointer="true"] .hero__light::before {
  top: 0; right: auto; left: 0; animation: none;
  transform: translate3d(calc(var(--px) - 50%), calc(var(--py) - 50%), 0);
  will-change: transform;
}

/* — wave: hero'nun altında akan tek ince çizgi — */
.hero__wave { display: none; }
.hero__wave path { fill: none; vector-effect: non-scaling-stroke; }
.hero__wave-lit { display: none; }

.hero[data-hero="wave"] .hero__wave,
.hero[data-hero="trace"] .hero__wave {
  display: block; position: absolute;
  left: 0; bottom: 0; height: clamp(60px, 9vw, 120px);
}
.hero[data-hero="wave"]  .hero__wave { width: 200%; }
.hero[data-hero="trace"] .hero__wave { width: 100%; }
.hero[data-hero="wave"] .hero__wave { animation: flow 26s linear infinite; }
.hero[data-hero="wave"] .hero__wave-base { stroke: var(--line); stroke-width: 2.5; }
.hero[data-hero="wave"]::after,
.hero[data-hero="trace"]::after { display: none; }
@keyframes flow { to { transform: translateX(-50%); } }

/* — trace: ışık, çizginin üzerinde yol alıyor (uzun pozlama gibi) — */
.hero[data-hero="trace"] .hero__wave-base { stroke: var(--line-soft); stroke-width: 2; }
.hero[data-hero="trace"] .hero__wave-lit {
  display: block;
  stroke: var(--lume-blue); stroke-width: 2.5; stroke-linecap: round;
  stroke-dasharray: 46 954;
  animation: trace 14s linear infinite;
}
@keyframes trace {
  from { stroke-dashoffset: 1000; opacity: 0; }
  8%   { opacity: 1; }
  88%  { opacity: 1; }
  to   { stroke-dashoffset: 0; opacity: 0; }
}

/* — ray: pencereden düşen ışık huzmesi, çok yavaş süpürür — */
.hero[data-hero="ray"] .hero__light::before,
.hero[data-hero="ray"] .hero__light::after {
  content: ""; position: absolute; top: -70%; height: 240%;
  filter: blur(30px); pointer-events: none;
}
.hero[data-hero="ray"] .hero__light::before {
  right: -14%; width: 42%;
  background: linear-gradient(90deg,
    rgba(31,88,241,0) 0%, rgba(31,88,241,.135) 50%, rgba(31,88,241,0) 100%);
  animation: ray 34s var(--ease) infinite alternate;
}
.hero[data-hero="ray"] .hero__light::after {
  right: 18%; width: 16%;
  background: linear-gradient(90deg,
    rgba(31,88,241,0) 0%, rgba(31,88,241,.075) 50%, rgba(31,88,241,0) 100%);
  animation: ray 34s var(--ease) 3s infinite alternate;
}
@keyframes ray {
  from { transform: rotate(-15deg) translateX(6%); }
  to   { transform: rotate(-15deg) translateX(-118%); }
}

/* — dawn: gün ışığı gibi çok uzun bir döngüde kayan aydınlanma — */
.hero[data-hero="dawn"] .hero__light::before {
  content: ""; position: absolute; inset: -34%;
  background: radial-gradient(closest-side at 76% 20%,
    rgba(31,88,241,.15) 0%, rgba(31,88,241,.045) 44%, rgba(31,88,241,0) 74%);
  animation: dawn 90s ease-in-out infinite alternate;
}
@keyframes dawn {
  from { transform: translate(0, 0) scale(1);          opacity: .8; }
  to   { transform: translate(-18%, 12%) scale(1.22);  opacity: 1; }
}

/* — shine: başlığın üzerinden geçen ışık parıltısı — */
.hero[data-hero="shine"] .hero__title {
  background-image: linear-gradient(100deg,
    var(--ink) 44%, #3a4a80 48.5%, #6478c4 50%, #3a4a80 51.5%, var(--ink) 56%);
  background-size: 320% 100%;
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shine 11s linear infinite;
}
@keyframes shine {
  from { background-position: 150% 0; }
  to   { background-position: -50% 0; }
}

/* — ignite: sayfa açılırken ışık yanar, sonra sabit nefes alır — */
.hero[data-hero="ignite"] .hero__light::before {
  content: ""; position: absolute;
  top: -62%; right: -22%;
  width: min(104vw, 1180px); aspect-ratio: 1; border-radius: 50%;
  background: radial-gradient(closest-side,
    rgba(31,88,241,.15) 0%, rgba(31,88,241,.06) 42%, rgba(31,88,241,.015) 66%, rgba(31,88,241,0) 82%);
  animation: ignite 2.2s var(--ease) both, breathe 22s var(--ease) 2.2s infinite alternate;
}
@keyframes ignite {
  from { opacity: 0; transform: scale(.7); }
  60%  { opacity: 1; }
  to   { opacity: .82; transform: scale(1); }
}

/* — plain: hiçbir şey, saf tipografi — */

/* — dots: sağda çok yavaş sürüklenen seyrek nokta alanı — */
.hero[data-hero="dots"] .hero__light {
  background-image: radial-gradient(circle, rgba(14,17,22,.14) 1px, transparent 1.6px);
  background-size: 26px 26px;
  -webkit-mask-image: radial-gradient(115% 88% at 86% 34%, #000 0%, transparent 66%);
          mask-image: radial-gradient(115% 88% at 86% 34%, #000 0%, transparent 66%);
  animation: drift 34s linear infinite;
}
@keyframes drift { to { background-position: 26px 52px; } }

/* — orbit: soluk bir çember ve üzerinde çok yavaş dönen tek nokta — */
.hero[data-hero="orbit"] .hero__light::before,
.hero[data-hero="orbit"] .hero__light::after {
  content: ""; position: absolute; top: 50%; right: 5%;
  width: min(34vw, 380px); aspect-ratio: 1;
}
.hero[data-hero="orbit"] .hero__light::before {
  transform: translateY(-50%);
  border: 1px solid rgba(14,17,22,.055); border-radius: 50%;
}
.hero[data-hero="orbit"] .hero__light::after {
  background: radial-gradient(circle at 50% 0, var(--lume-blue) 0 3.5px, transparent 4px);
  animation: orbit 30s linear infinite;
}
@keyframes orbit {
  from { transform: translateY(-50%) rotate(0deg); }
  to   { transform: translateY(-50%) rotate(360deg); }
}

/* — plain: hiçbir şey, saf tipografi — */
.hero[data-hero="plain"] .hero__light { display: none; }

.hero::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--line-soft);
}
.hero__inner {
  position: relative;
  display: flex; flex-direction: column; align-items: flex-start;
  gap: 1.5rem;
}
.hero__inner > * { max-width: 100%; }
.hero__title { font-size: var(--fs-display); max-width: 17ch; }
.hero__lead { max-width: min(54ch, 100%); }
.hero__actions { display: flex; align-items: center; gap: 1.75rem; flex-wrap: wrap; }

/* ---------- kartlar (Appen: üst kenara binen siyah pill etiket) ---------- */
.cards {
  display: grid; gap: var(--gap);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
}
.card {
  position: relative; display: flex; flex-direction: column;
  padding: 2.75rem 1.625rem 1.75rem;
  background: var(--paper); border: 1px solid var(--line);
  border-radius: var(--r); box-shadow: var(--shadow-card);
  transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
}
.card--link:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); border-color: var(--line-soft); }
.card__tag {
  position: absolute; top: -.75rem; left: 1.125rem;
  display: inline-flex; align-items: center;
  padding: .4375rem 1.0625rem;
  background: var(--ink); color: #fff;
  border-radius: var(--r-pill);
  font-size: var(--fs-micro); font-weight: 500; letter-spacing: -.005em;
}
.card h3 { font-size: var(--fs-h3); margin-bottom: .5rem; }
.card p { color: var(--muted); font-size: var(--fs-small); }
.card__foot { margin-top: auto; padding-top: 1.5rem; }

/* ---------- timeline (Appen: yıl + başlık + açıklama, sol dikey çizgi) ---------- */
.timeline { position: relative; padding-left: 1.75rem; }
.timeline::before {
  content: ""; position: absolute; left: 0; top: .5rem; bottom: .5rem;
  width: 2px; background: var(--line);
}
.tl-item { position: relative; padding-bottom: clamp(1.75rem, 1rem + 1.6vw, 2.75rem); }
.tl-item::before {
  content: ""; position: absolute; left: calc(-1.75rem - 1px); top: .55rem;
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--muted-2); box-shadow: 0 0 0 4px var(--paper);
  transition: background-color .3s var(--ease), transform .3s var(--ease);
}
.tl-item[data-active="true"]::before { background: var(--lume-blue); transform: scale(1.4); }
.tl-item__meta { display: flex; align-items: baseline; gap: .625rem; flex-wrap: wrap; }
.tl-item__year { font-size: var(--fs-small); color: var(--muted-2); letter-spacing: .04em; }
.tl-item h3 { font-size: var(--fs-h3); margin-block: .375rem .375rem; }
.tl-item p { color: var(--muted); font-size: var(--fs-small); max-width: 62ch; }
.tl-item--todo h3, .tl-item--todo .tl-item__year { color: var(--muted-2); }
.tl-item--todo p {
  border-left: 2px solid var(--lume-blue-100); padding-left: .75rem;
  color: var(--muted-2); font-style: italic;
}

/* ---------- iki kolon: yapışkan başlık + akan zaman çizelgesi ---------- */
.split {
  display: grid; grid-template-columns: minmax(0,.82fr) minmax(0,1.18fr);
  gap: clamp(1.75rem, 1rem + 3.5vw, 5rem); align-items: start;
}
.split__intro { position: sticky; top: 7rem; }
.split__intro h2 { font-size: var(--fs-h2); margin-top: .875rem; }
.split__intro .lead { margin-top: .875rem; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .split__intro { position: static; }
}



/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding-block: clamp(2.5rem, 1.5rem + 3vw, 4rem) 2rem; }
.footer__top {
  display: grid; gap: clamp(1.75rem, 1rem + 3vw, 4rem);
  grid-template-columns: minmax(0,1.4fr) repeat(auto-fit, minmax(140px, 1fr));
}
.footer__brand img { width: 104px; height: auto; }
.footer__brand p { color: var(--muted); font-size: var(--fs-small); margin-top: 1rem; max-width: 40ch; }
.footer__col h4 { font-size: var(--fs-micro); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-2); margin-bottom: .875rem; }
.footer__col li + li { margin-top: .5rem; }
.footer__col a { font-size: var(--fs-small); color: var(--ink-soft); transition: color .2s var(--ease); }
.footer__col a:hover { color: var(--lume-blue); }
.footer__bottom {
  display: flex; flex-wrap: wrap; gap: .75rem 1.5rem; justify-content: space-between;
  margin-top: clamp(2rem, 1rem + 2.5vw, 3.5rem); padding-top: 1.5rem;
  border-top: 1px solid var(--line-soft);
  font-size: var(--fs-micro); color: var(--muted-2);
}

/* ---------- editör notu (yayına almadan önce silinecek) ---------- */
.todo {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .1875rem .5rem; margin-left: .5rem;
  background: var(--lume-blue-50); color: var(--lume-blue-700);
  border: 1px solid var(--lume-blue-100); border-radius: var(--r-sm);
  font-size: .6875rem; font-weight: 500; letter-spacing: .02em; vertical-align: middle;
}

/* ---------- scroll reveal ----------
   Not: gizleme yalnızca .js sınıfı varken uygulanır; JS çalışmazsa
   içerik olduğu gibi görünür (boş sayfa riski yok). */
.js .reveal { opacity: 0; transform: translateY(14px); }
.js .reveal.is-in { opacity: 1; transform: none; transition: opacity .6s var(--ease), transform .6s var(--ease); }
@media (prefers-reduced-motion: reduce) {
  .js .reveal, .js .reveal.is-in { opacity: 1; transform: none; transition: none; }
  .hero__light, .hero__light::before, .hero__light::after,
  .hero__wave, .hero__wave-lit, .hero__title { animation: none; }
  .hero[data-hero="shine"] .hero__title { -webkit-text-fill-color: var(--ink); }
  .drawer__panel, .drawer__scrim { transition: none; }
  html { scroll-behavior: auto; }
  .btn:hover { transform: none; }
}


/* ---------- kart alt etiketleri ---------- */
.chips { display: flex; flex-wrap: wrap; gap: .375rem; }
.chip {
  display: inline-flex; align-items: center;
  padding: .3125rem .625rem;
  border: 1px solid var(--line); border-radius: var(--r-pill);
  font-size: .75rem; line-height: 1.2; color: var(--muted);
  background: var(--paper); white-space: nowrap;
}

/* ---------- iletişim çekmecesi (sağdan açılır) ---------- */
.drawer { position: fixed; inset: 0; z-index: 100; visibility: hidden; }
.drawer.is-open { visibility: visible; }
.drawer__scrim {
  position: absolute; inset: 0; background: rgba(14,17,22,.34);
  opacity: 0; transition: opacity .32s var(--ease);
}
.drawer.is-open .drawer__scrim { opacity: 1; }
.drawer__panel {
  position: absolute; top: 0; right: 0; height: 100%;
  width: min(460px, 100%);
  background: var(--paper);
  box-shadow: -24px 0 60px -30px rgba(14,17,22,.35);
  transform: translateX(101%);
  transition: transform .38s var(--ease);
  overflow-y: auto; overscroll-behavior: contain;
  padding: clamp(1.5rem, 1rem + 1.6vw, 2.5rem);
  display: flex; flex-direction: column; gap: 1.25rem;
}
.drawer.is-open .drawer__panel { transform: none; }

.drawer__close {
  position: absolute; top: 1rem; right: 1rem;
  width: 38px; height: 38px; padding: 0;
  display: grid; place-items: center;
  background: transparent; border: 1px solid var(--line); border-radius: var(--r-sm);
  cursor: pointer; color: var(--muted);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.drawer__close:hover { color: var(--ink); border-color: var(--ink); }
.drawer__head h2 { font-size: var(--fs-h2); }
.drawer__head .lead { margin-top: .625rem; font-size: var(--fs-small); }

/* ---------- form ---------- */
.form { display: flex; flex-direction: column; gap: 1rem; }
.field { display: flex; flex-direction: column; gap: .375rem; }
.field > label {
  font-size: var(--fs-micro); font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase; color: var(--muted-2);
}
.field input, .field select, .field textarea {
  width: 100%; font: inherit; font-size: var(--fs-small); color: var(--ink);
  padding: .75rem .875rem;
  background: var(--paper);
  border: 1px solid var(--line); border-radius: var(--r-sm);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}
.field textarea { min-height: 116px; resize: vertical; }
.field select { appearance: none; cursor: pointer;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%),
                    linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 18px) 52%, calc(100% - 13px) 52%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat;
  padding-right: 2.25rem;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--lume-blue);
  box-shadow: 0 0 0 3px var(--lume-blue-50);
}
.field__err { font-size: var(--fs-micro); color: #c0392b; min-height: 1em; }
.field.has-err input, .field.has-err select, .field.has-err textarea { border-color: #c0392b; }

.form__note { font-size: var(--fs-micro); color: var(--muted-2); line-height: 1.55; }
.form__ok {
  padding: .875rem 1rem; border-radius: var(--r-sm);
  background: var(--lume-blue-50); border: 1px solid var(--lume-blue-100);
  color: var(--lume-blue-700); font-size: var(--fs-small);
}
.form__ok[hidden] { display: none; }