/* self-hosted variable fonts (no third-party requests) */
@font-face{font-family:"Outfit";font-style:normal;font-weight:100 900;font-display:swap;src:url("../fonts/outfit-latin-ext-wght-normal.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Outfit";font-style:normal;font-weight:100 900;font-display:swap;src:url("../fonts/outfit-latin-wght-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Geist";font-style:normal;font-weight:100 900;font-display:swap;src:url("../fonts/geist-latin-ext-wght-normal.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Geist";font-style:normal;font-weight:100 900;font-display:swap;src:url("../fonts/geist-latin-wght-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Geist Mono";font-style:normal;font-weight:100 900;font-display:swap;src:url("../fonts/geist-mono-latin-ext-wght-normal.woff2") format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Geist Mono";font-style:normal;font-weight:100 900;font-display:swap;src:url("../fonts/geist-mono-latin-wght-normal.woff2") format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* ==========================================================================
   Eriş İnşaat — design system
   Palette: brand navy + sky (single accent), cool-tinted neutrals only.
   ========================================================================== */

:root {
  --ink: #0b1630;
  --ink-2: #13224a;
  --navy: #2c4689;
  --navy-d: #1d3270;
  --sky: #7ecbec;
  --sky-d: #4fb2de;
  --bg: #f3f5f9;
  --bg-2: #e8ecf4;
  --paper: #ffffff;
  --text: #0f1b3a;
  --mute: #56627f;
  --line: rgba(15, 27, 58, 0.12);
  --line-w: rgba(255, 255, 255, 0.16);

  --f-display: "Outfit", "Geist", system-ui, sans-serif;
  --f-body: "Geist", system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --ease: cubic-bezier(0.32, 0.72, 0, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);

  --r-xl: 2rem;
  --r-lg: 1.5rem;
  --r-md: 1rem;
  --r-sm: 0.625rem;

  --gutter: clamp(20px, 4vw, 52px);
  --section: clamp(88px, 11vw, 168px);
  --maxw: 1360px;

  --z-nav: 40;
  --z-menu: 60;
  --z-modal: 80;
  --z-grain: 90;
  --z-progress: 92;
  --z-cursor: 95;
  --z-loader: 100;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--f-body);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; background: none; border: 0; padding: 0; }
h1, h2, h3, h4, p, ul, ol, figure, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
::selection { background: var(--sky); color: var(--ink); }

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

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

.skip {
  position: fixed; left: 16px; top: -64px; z-index: 100;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 999px;
  transition: top 0.4s var(--ease);
}
.skip:focus { top: 16px; }

/* grain — fixed, non-interactive, never on scrolling containers */
body::after {
  content: "";
  position: fixed; inset: 0; z-index: var(--z-grain);
  pointer-events: none;
  opacity: 0.045;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.05  0 0 0 0 0.1  0 0 0 0 0.25  0 0 0 0.9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

.icon { width: 1.25em; height: 1.25em; fill: none; stroke: currentColor; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; flex: none; }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section); position: relative; }
.section--tight { padding-block: clamp(64px, 8vw, 112px); }

/* ---------- type ---------- */
.display, h1, h2, h3 { font-family: var(--f-display); font-weight: 500; letter-spacing: -0.035em; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 5.6vw, 5.25rem); line-height: 1; }
h2 { font-size: clamp(2rem, 4.2vw, 3.75rem); line-height: 1.03; }
h3 { font-size: clamp(1.25rem, 1.8vw, 1.625rem); line-height: 1.15; letter-spacing: -0.025em; }
p { text-wrap: pretty; }
.lead { font-size: clamp(1.0625rem, 1.35vw, 1.25rem); line-height: 1.6; color: var(--mute); max-width: 56ch; }
.muted { color: var(--mute); }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 7px 14px 7px 12px;
  border-radius: 999px;
  font-family: var(--f-mono);
  font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--navy);
  background: rgba(44, 70, 137, 0.07);
  box-shadow: inset 0 0 0 1px rgba(44, 70, 137, 0.14);
}
.eyebrow::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--sky-d); }
.eyebrow--light { color: #fff; background: rgba(255, 255, 255, 0.1); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.22); }
.eyebrow--light::before { background: var(--sky); }

/* ---------- buttons ---------- */
.btn {
  --b-bg: var(--navy); --b-fg: #fff; --b-ico: rgba(255, 255, 255, 0.16);
  display: inline-flex; align-items: center; gap: 18px;
  padding: 6px 6px 6px 24px;
  border-radius: 999px;
  background: var(--b-bg); color: var(--b-fg);
  font-weight: 500; font-size: 0.9688rem; letter-spacing: -0.005em;
  white-space: nowrap;
  transition: background 0.5s var(--ease), transform 0.5s var(--ease), box-shadow 0.5s var(--ease);
  box-shadow: 0 14px 30px -14px rgba(29, 50, 112, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}
.btn .ico {
  width: 40px; height: 40px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--b-ico);
  transition: transform 0.5s var(--ease), background 0.5s var(--ease);
}
.btn:hover { background: var(--navy-d); }
.btn:hover .ico { transform: translate(3px, -2px) scale(1.07); }
.btn:active { transform: scale(0.98); }
.btn--sky { --b-bg: var(--sky); --b-fg: var(--ink); --b-ico: rgba(11, 22, 48, 0.1); box-shadow: 0 14px 30px -14px rgba(79, 178, 222, 0.8), inset 0 1px 0 rgba(255, 255, 255, 0.5); }
.btn--sky:hover { background: #95d6f2; }
.btn--light { --b-bg: #fff; --b-fg: var(--ink); --b-ico: rgba(11, 22, 48, 0.08); box-shadow: 0 14px 30px -16px rgba(0, 0, 0, 0.5); }
.btn--light:hover { background: #fff; }
.btn--sm { padding: 4px 4px 4px 18px; gap: 12px; font-size: 0.875rem; }
.btn--sm .ico { width: 34px; height: 34px; }

.link {
  display: inline-flex; align-items: center; gap: 10px;
  font-weight: 500; position: relative; padding-bottom: 4px;
  background: linear-gradient(currentColor, currentColor) 0 100% / 100% 1px no-repeat;
  transition: background-size 0.6s var(--ease), gap 0.6s var(--ease);
}
.link:hover { background-size: 40% 1px; gap: 16px; }

/* ---------- nav ---------- */
.nav {
  position: fixed; top: 16px; left: 0; right: 0; z-index: var(--z-nav);
  display: flex; justify-content: center;
  padding-inline: var(--gutter);
  pointer-events: none;
  transition: transform 0.7s var(--ease);
}
.nav.is-hidden { transform: translateY(-140%); }
.nav__pill {
  pointer-events: auto;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  width: 100%; max-width: 1180px;
  padding: 8px 8px 8px 24px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.8);
  -webkit-backdrop-filter: blur(20px) saturate(1.5);
  backdrop-filter: blur(20px) saturate(1.5);
  box-shadow: 0 18px 50px -20px rgba(11, 22, 48, 0.45), inset 0 0 0 1px rgba(255, 255, 255, 0.7);
  transition: background 0.5s var(--ease), box-shadow 0.5s var(--ease);
}
.nav__logo img { height: 30px; width: auto; }
.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__links a {
  position: relative;
  padding: 10px 16px; border-radius: 999px;
  font-size: 0.9375rem; font-weight: 500; color: var(--mute);
  transition: color 0.4s var(--ease), background 0.4s var(--ease);
}
.nav__links a:hover { color: var(--ink); background: rgba(44, 70, 137, 0.07); }
.nav__links a[aria-current="page"] { color: var(--navy); background: rgba(126, 203, 236, 0.28); }
.nav__cta { display: flex; align-items: center; gap: 8px; }
.burger {
  display: none; position: relative; width: 48px; height: 48px; border-radius: 50%;
  background: var(--ink); color: #fff;
  transition: transform 0.5s var(--ease), background 0.5s var(--ease);
}
.burger span { position: absolute; left: 15px; width: 18px; height: 1.5px; background: currentColor; border-radius: 2px; transition: transform 0.6s var(--ease), opacity 0.3s; }
.burger span:nth-child(1) { top: 19px; }
.burger span:nth-child(2) { top: 28px; }
.menu-open .burger span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
.menu-open .burger span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }
.burger:active { transform: scale(0.94); }

.menu {
  position: fixed; inset: 0; z-index: var(--z-menu);
  display: flex; flex-direction: column; justify-content: center;
  padding: 120px var(--gutter) 40px;
  background: rgba(11, 22, 48, 0.9);
  -webkit-backdrop-filter: blur(28px);
  backdrop-filter: blur(28px);
  color: #fff;
  opacity: 0; visibility: hidden;
  transition: opacity 0.6s var(--ease), visibility 0s 0.6s;
}
.menu-open .menu { opacity: 1; visibility: visible; transition: opacity 0.6s var(--ease); }
.menu nav a {
  display: block; overflow: hidden;
  font-family: var(--f-display); font-size: clamp(2.2rem, 9vw, 3.6rem); font-weight: 500; letter-spacing: -0.035em; line-height: 1.15;
  padding-block: 4px;
}
.menu nav a span { display: block; transform: translateY(110%); transition: transform 0.9s var(--ease); }
.menu-open .menu nav a span { transform: none; }
.menu nav a:nth-child(1) span { transition-delay: 0.08s; }
.menu nav a:nth-child(2) span { transition-delay: 0.14s; }
.menu nav a:nth-child(3) span { transition-delay: 0.2s; }
.menu nav a:nth-child(4) span { transition-delay: 0.26s; }
.menu nav a:nth-child(5) span { transition-delay: 0.32s; }
.menu nav a[aria-current="page"] { color: var(--sky); }
.menu__foot { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--line-w); display: grid; gap: 6px; color: rgba(255, 255, 255, 0.7); font-size: 0.9375rem; opacity: 0; transform: translateY(16px); transition: opacity 0.8s 0.4s var(--ease), transform 0.8s 0.4s var(--ease); }
.menu-open .menu__foot { opacity: 1; transform: none; }
.menu-open { overflow: hidden; }
.menu-open .nav { z-index: calc(var(--z-menu) + 1); }

@media (max-width: 960px) {
  .nav__links, .nav__cta .btn { display: none; }
  .burger { display: block; }
  .nav__pill { padding: 8px 8px 8px 20px; }
}

/* ---------- reveal ---------- */
.js .rv { opacity: 0; transform: translateY(44px); filter: blur(8px); transition: opacity 1.1s var(--ease), transform 1.1s var(--ease), filter 1.1s var(--ease); transition-delay: var(--d, 0s); }
.js .rv.in { opacity: 1; transform: none; filter: none; }
.js .rv-img .shell__core { clip-path: inset(0 0 100% 0); transition: clip-path 1.5s var(--ease); transition-delay: var(--d, 0s); }
.js .rv-img.in .shell__core { clip-path: inset(0 round calc(var(--r-xl) - 8px)); }
.js .rv-img .shell__core img { transform: scale(1.14); transition: transform 2s var(--ease); }
.js .rv-img.in .shell__core img { transform: none; }

/* ---------- hero ---------- */
.hero {
  position: relative; isolation: isolate;
  min-height: 100dvh;
  display: flex; align-items: flex-end;
  color: #fff;
  background: var(--ink);
  overflow: hidden;
}
.hero__slides { position: absolute; inset: 0; z-index: -2; }
.slide { position: absolute; inset: 0; opacity: 0; transition: opacity 1.4s var(--ease); }
.slide img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.12); transition: transform 9s linear; }
.slide.is-active { opacity: 1; z-index: 1; }
.slide.is-active img { transform: scale(1); }
.hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(11, 22, 48, 0.55) 0%, rgba(11, 22, 48, 0.12) 30%, rgba(11, 22, 48, 0.55) 68%, rgba(11, 22, 48, 0.94) 100%),
    linear-gradient(90deg, rgba(11, 22, 48, 0.82) 0%, rgba(11, 22, 48, 0.4) 45%, rgba(11, 22, 48, 0) 70%);
}
.hero__inner {
  width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter);
  padding-block: 150px 56px;
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(300px, 380px); align-items: end; gap: 56px;
}
.hero h1 { margin-top: 26px; max-width: 14ch; }
.hero h1 em { font-style: normal; color: var(--sky); }
.hero__sub { margin-top: 26px; max-width: 52ch; font-size: clamp(1.0625rem, 1.3vw, 1.2rem); color: rgba(255, 255, 255, 0.82); }
.hero__cta { margin-top: 40px; display: flex; flex-wrap: wrap; align-items: center; gap: 28px; }
.hero__cta .link { color: #fff; }

.caption {
  padding: 6px; border-radius: 2rem;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.16);
}
.caption__core {
  padding: 22px 22px 20px;
  border-radius: calc(2rem - 6px);
  background: rgba(11, 22, 48, 0.55);
  -webkit-backdrop-filter: blur(22px);
  backdrop-filter: blur(22px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
}
.caption__top { display: flex; justify-content: space-between; align-items: center; font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.1em; color: rgba(255, 255, 255, 0.62); text-transform: uppercase; }
.caption__name { margin-top: 20px; min-height: 3.1em; font-family: var(--f-display); font-size: 1.4rem; line-height: 1.2; letter-spacing: -0.025em; font-weight: 500; }
.caption__name small { display: block; margin-bottom: 8px; font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sky); font-weight: 400; }
.caption__ctrl { display: flex; align-items: center; gap: 8px; margin-top: 18px; }
.round {
  width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.1); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  transition: background 0.4s var(--ease), transform 0.4s var(--ease), color 0.4s var(--ease);
}
.round:hover { background: var(--sky); color: var(--ink); }
.round:active { transform: scale(0.92); }
.ticks { display: flex; gap: 6px; margin-left: auto; align-items: center; }
.tick { width: 22px; height: 18px; display: grid; align-items: center; }
.tick::before { content: ""; height: 2px; border-radius: 2px; background: rgba(255, 255, 255, 0.28); transform-origin: left; }
.tick.is-active::before { background: var(--sky); }

.scroll-hint {
  position: absolute; right: var(--gutter); bottom: 0; display: none;
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 36px; padding-block: 130px 36px; }
  .caption { max-width: 420px; }
  .hero h1 { max-width: 12ch; }
}

/* ---------- credential strip ---------- */
.cred { background: var(--paper); border-bottom: 1px solid var(--line); }
.cred__row { display: grid; grid-template-columns: repeat(4, 1fr); }
.cred__item { padding: 28px 28px 28px 0; display: flex; flex-direction: column; gap: 4px; border-right: 1px solid var(--line); padding-left: 28px; }
.cred__item:first-child { padding-left: 0; }
.cred__item:last-child { border-right: 0; }
.cred__k { font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute); }
.cred__v { font-family: var(--f-display); font-size: 1.2rem; letter-spacing: -0.02em; font-weight: 500; color: var(--navy); }
@media (max-width: 800px) {
  .cred__row { grid-template-columns: 1fr 1fr; }
  .cred__item { padding: 20px 16px 20px 0; border-right: 0; padding-left: 0; border-bottom: 1px solid var(--line); }
  .cred__item:nth-last-child(-n+2) { border-bottom: 0; }
}

/* ---------- about ---------- */
.about { background: var(--bg); overflow: clip; }
.about__grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 0 32px; align-items: center; }
.about__text { grid-column: 1 / 7; }
.about__text h2 { margin: 26px 0 32px; }
.about__text p + p { margin-top: 18px; }
.about__text .lead { color: var(--mute); }
.facts { margin-top: 44px; display: grid; grid-template-columns: 1fr 1fr; border-top: 1px solid var(--line); }
.facts div { padding: 22px 24px 4px 0; }
.facts div + div { padding-left: 24px; border-left: 1px solid var(--line); }
.facts dt { font-family: var(--f-display); font-size: 2.1rem; line-height: 1; letter-spacing: -0.04em; font-weight: 500; color: var(--navy); }
.facts dd { margin-top: 10px; font-size: 0.9375rem; color: var(--mute); line-height: 1.5; }
.about__actions { margin-top: 44px; }

.about__visual { grid-column: 8 / 13; position: relative; padding-bottom: 80px; }
.shell { padding: 8px; border-radius: var(--r-xl); background: rgba(44, 70, 137, 0.06); box-shadow: inset 0 0 0 1px rgba(44, 70, 137, 0.1); }
.shell__core { overflow: hidden; border-radius: calc(var(--r-xl) - 8px); background: var(--bg-2); position: relative; }
.shell__core img { width: 100%; height: 100%; object-fit: cover; }
.about__big .shell__core { aspect-ratio: 4 / 5; }
.about__small { position: absolute; left: -22%; bottom: 0; width: 56%; transform: rotate(-2.5deg); filter: drop-shadow(0 30px 40px rgba(11, 22, 48, 0.22)); }
.about__small .shell { background: var(--paper); }
.about__small .shell__core { aspect-ratio: 4 / 3; }
.rail-note {
  position: absolute; right: -8px; top: 36px; transform-origin: top right;
  writing-mode: vertical-rl; transform: translateX(100%);
  font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--mute);
  display: none;
}
@media (min-width: 1500px) { .rail-note { display: block; } }
@media (max-width: 900px) {
  .about__text, .about__visual { grid-column: 1 / -1; }
  .about__visual { margin-top: 56px; padding-bottom: 60px; width: 92%; margin-left: auto; }
  .about__small { left: -8%; width: 58%; transform: none; }
}

/* ---------- services bento ---------- */
.services { background: var(--bg-2); }
.sec-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 40px; margin-bottom: clamp(40px, 5vw, 72px); flex-wrap: wrap; }
.sec-head h2 { margin-top: 24px; max-width: 16ch; }
.sec-head p { max-width: 44ch; }
.bento { display: grid; grid-template-columns: repeat(12, 1fr); grid-auto-rows: clamp(230px, 22vw, 300px); gap: 16px; }
.tile { position: relative; padding: 6px; border-radius: var(--r-xl); background: rgba(255, 255, 255, 0.55); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.9), 0 30px 60px -40px rgba(29, 50, 112, 0.5); isolation: isolate; }
.tile a { position: relative; display: block; height: 100%; border-radius: calc(var(--r-xl) - 6px); overflow: hidden; color: #fff; background: var(--ink); }
.tile img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 1.4s var(--ease); }
.tile a::before { content: ""; position: absolute; inset: 0; z-index: 1; background: linear-gradient(180deg, rgba(11, 22, 48, 0.05) 30%, rgba(11, 22, 48, 0.85) 100%); transition: opacity 0.6s var(--ease); }
.tile a::after {
  content: ""; position: absolute; inset: 0; z-index: 1; opacity: 0; pointer-events: none;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(126, 203, 236, 0.28), transparent 60%);
  transition: opacity 0.5s var(--ease);
}
.tile a:hover::after { opacity: 1; }
.tile a:hover img { transform: scale(1.06); }
.tile__body { position: absolute; inset: auto 0 0 0; z-index: 2; padding: 26px 26px 24px; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; }
.tile__num { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.12em; color: var(--sky); display: block; margin-bottom: 8px; }
.tile h3 { color: #fff; }
.tile__count { display: block; margin-top: 6px; font-size: 0.875rem; color: rgba(255, 255, 255, 0.72); }
.tile .go { width: 46px; height: 46px; flex: none; border-radius: 50%; display: grid; place-items: center; background: rgba(255, 255, 255, 0.14); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.24); transition: transform 0.6s var(--ease), background 0.5s var(--ease), color 0.5s; }
.tile a:hover .go { background: var(--sky); color: var(--ink); transform: translate(3px, -3px) scale(1.06); }
.t1 { grid-column: span 7; grid-row: span 2; }
.t2 { grid-column: span 5; }
.t3 { grid-column: span 5; }
.t4 { grid-column: span 5; }
.t5 { grid-column: span 3; }
.t6 { grid-column: span 4; }
.t1 h3 { font-size: clamp(1.6rem, 2.6vw, 2.4rem); }
@media (max-width: 900px) {
  .bento { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .tile { grid-column: auto !important; grid-row: auto !important; }
  .t1 { grid-row: span 1 !important; }
}

/* ---------- project rail ---------- */
.work { background: var(--paper); overflow: clip; }
.rail-ctrl { display: flex; gap: 10px; }
.rail-ctrl .round { background: var(--bg); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line); width: 54px; height: 54px; }
.rail-ctrl .round:hover { background: var(--navy); color: #fff; }
.rail {
  --edge: max(var(--gutter), calc((100vw - var(--maxw)) / 2 + var(--gutter)));
  display: flex; gap: clamp(16px, 2vw, 28px); align-items: flex-start;
  overflow-x: auto; scroll-snap-type: x proximity;
  padding: 8px var(--gutter) 40px var(--edge);
  scroll-padding-inline: var(--edge);
  margin-inline: calc(50% - 50vw);
  scrollbar-width: none; cursor: grab;
}
.rail::-webkit-scrollbar { display: none; }
.rail.is-drag { cursor: grabbing; scroll-snap-type: none; }
.rail.is-drag * { pointer-events: none; }
.card { flex: none; width: clamp(280px, 31vw, 440px); scroll-snap-align: start; }
.card:nth-child(even) { margin-top: 56px; }
.card__media { position: relative; padding: 6px; border-radius: var(--r-xl); background: var(--bg); box-shadow: inset 0 0 0 1px var(--line); }
.card__core { overflow: hidden; border-radius: calc(var(--r-xl) - 6px); aspect-ratio: 4 / 5; background: var(--bg-2); }
.card:nth-child(even) .card__core { aspect-ratio: 1 / 1; }
.card:nth-child(3n) .card__core { aspect-ratio: 5 / 6; }
.card__core img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); -webkit-user-drag: none; user-select: none; }
.card:hover .card__core img { transform: scale(1.05); }
.card__meta { padding: 18px 8px 0; display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.card__cat { font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--navy); }
.card__name { margin-top: 8px; font-family: var(--f-display); font-size: 1.3rem; line-height: 1.2; letter-spacing: -0.025em; font-weight: 500; }
.card__idx { font-family: var(--f-mono); font-size: 0.75rem; color: var(--mute); padding-top: 2px; }
.work__foot { margin-top: 16px; display: flex; justify-content: center; }

/* ---------- numbers ---------- */
.nums { position: relative; isolation: isolate; background: var(--ink); color: #fff; overflow: hidden; }
.nums__bg { position: absolute; inset: 0; z-index: -2; }
.nums__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.32; filter: grayscale(0.35) contrast(1.05); }
.nums::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(100deg, rgba(11, 22, 48, 0.97) 8%, rgba(19, 34, 74, 0.82) 55%, rgba(11, 22, 48, 0.9) 100%); }
.nums__grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 56px 32px; align-items: start; }
.nums__msg { grid-column: 1 / 7; }
.nums__msg h2 { margin: 26px 0 30px; }
.nums__msg blockquote { margin: 0; color: rgba(255, 255, 255, 0.78); font-size: 1.0625rem; line-height: 1.75; max-width: 58ch; border-left: 1px solid var(--line-w); padding-left: 26px; }
.nums__msg blockquote p + p { margin-top: 14px; }
.nums__msg cite { display: block; margin-top: 22px; font-style: normal; font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sky); }
.nums__list { grid-column: 8 / 13; }
.stat { padding: 26px 0; border-top: 1px solid var(--line-w); display: flex; align-items: baseline; justify-content: space-between; gap: 24px; }
.stat:last-child { border-bottom: 1px solid var(--line-w); }
.stat__n { font-family: var(--f-display); font-weight: 400; font-size: clamp(3.2rem, 6.4vw, 5.6rem); letter-spacing: -0.05em; line-height: 1; font-variant-numeric: tabular-nums; }
.stat__l { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sky); text-align: right; }
@media (max-width: 900px) {
  .nums__msg, .nums__list { grid-column: 1 / -1; }
}

/* ---------- values accordion ---------- */
.values { background: var(--bg); }

/* belgelerin metin listesi */
.certtext { background: var(--bg); }
.certlist__lead { max-width: 70ch; color: var(--mute); line-height: 1.7; margin-bottom: 28px; }
.certlist__ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.certlist__ul li { padding: 18px 22px; border: 1px solid var(--line); border-radius: 1.2rem; background: #fff; line-height: 1.5; }
.certlist__ul li strong { font-family: var(--f-display); font-weight: 500; font-size: 1.1rem; letter-spacing: -0.015em; }
.certlist__ul li span { display: block; margin-top: 6px; font-size: 0.85rem; color: var(--mute); }
@media (max-width: 700px) { .certlist__ul { grid-template-columns: 1fr; } }

/* sık sorulan sorular */
.faq { background: var(--bg); }
.faq__grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.faq__grid .sec-head { margin-bottom: 0; position: sticky; top: 120px; }
.faq__list { display: flex; flex-direction: column; gap: 12px; }
.faq__item { border: 1px solid var(--line); border-radius: 1.4rem; background: #fff; transition: border-color 0.5s var(--ease), box-shadow 0.5s var(--ease); }
.faq__item[open] { border-color: rgba(44, 70, 137, 0.32); box-shadow: 0 24px 50px -34px rgba(11, 22, 48, 0.35); }
.faq__item summary { list-style: none; cursor: pointer; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 22px 26px; font-family: var(--f-display); font-size: 1.12rem; font-weight: 500; letter-spacing: -0.015em; line-height: 1.35; }
.faq__item summary::-webkit-details-marker { display: none; }
.faq__plus { position: relative; flex: 0 0 34px; height: 34px; border-radius: 50%; background: rgba(44, 70, 137, 0.08); transition: background 0.5s var(--ease), transform 0.6s var(--ease); }
.faq__plus::before, .faq__plus::after { content: ""; position: absolute; left: 50%; top: 50%; width: 12px; height: 1.5px; background: var(--navy); transform: translate(-50%, -50%); transition: transform 0.6s var(--ease); }
.faq__plus::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq__item[open] .faq__plus { background: var(--navy); }
.faq__item[open] .faq__plus::before, .faq__item[open] .faq__plus::after { background: #fff; }
.faq__item[open] .faq__plus::after { transform: translate(-50%, -50%) rotate(0deg); }
.faq__item summary:focus-visible { outline: 2px solid var(--sky-d); outline-offset: 3px; border-radius: 1.4rem; }
.faq__a { padding: 0 26px 24px; color: var(--mute); line-height: 1.7; max-width: 62ch; }
@media (max-width: 900px) { .faq__grid { grid-template-columns: 1fr; } .faq__grid .sec-head { position: static; margin-bottom: 8px; } }
.acc { display: grid; grid-template-columns: 5fr 1fr 1fr 1fr; gap: 14px; height: clamp(440px, 46vw, 580px); transition: grid-template-columns 0.9s var(--ease); }
.acc[data-open="1"] { grid-template-columns: 1fr 5fr 1fr 1fr; }
.acc[data-open="2"] { grid-template-columns: 1fr 1fr 5fr 1fr; }
.acc[data-open="3"] { grid-template-columns: 1fr 1fr 1fr 5fr; }
.pane { position: relative; overflow: hidden; border-radius: var(--r-xl); color: #fff; background: var(--ink); text-align: left; min-width: 0; isolation: isolate; }
.pane img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transform: scale(1.08); transition: transform 1.4s var(--ease); }
.pane::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(11, 22, 48, 0.2), rgba(11, 22, 48, 0.88)); transition: opacity 0.8s; }
.pane.is-open img { transform: scale(1); }
.pane__in { position: absolute; inset: 0; padding: 28px; display: flex; flex-direction: column; justify-content: space-between; }
.pane__no { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.14em; color: var(--sky); }
.pane__title { font-family: var(--f-display); font-size: clamp(1.3rem, 2vw, 1.9rem); letter-spacing: -0.03em; line-height: 1.1; font-weight: 500; }
.pane__txt { margin-top: 14px; max-width: 40ch; font-size: 0.9688rem; line-height: 1.6; color: rgba(255, 255, 255, 0.82); opacity: 0; transform: translateY(14px); transition: opacity 0.6s var(--ease), transform 0.8s var(--ease); height: 0; overflow: hidden; }
.pane.is-open .pane__txt { opacity: 1; transform: none; height: auto; transition-delay: 0.3s; }
.pane:not(.is-open) .pane__title { writing-mode: vertical-rl; transform: rotate(180deg); align-self: flex-start; }
@media (max-width: 900px) {
  .acc, .acc[data-open] { grid-template-columns: 1fr; height: auto; }
  .pane { min-height: 96px; transition: min-height 0.8s var(--ease); }
  .pane.is-open { min-height: 340px; }
  .pane:not(.is-open) .pane__title { writing-mode: horizontal-tb; transform: none; align-self: auto; font-size: 1.2rem; }
  .pane:not(.is-open) .pane__in { flex-direction: row; align-items: center; padding: 20px 24px; }
}

/* ---------- certs teaser ---------- */
.certs { background: var(--paper); overflow: clip; }
.certs__grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 40px 32px; align-items: center; }
.certs__text { grid-column: 1 / 6; }
.certs__text h2 { margin: 24px 0 24px; }
.certs__list { margin-top: 32px; border-top: 1px solid var(--line); }
.certs__list li { display: flex; justify-content: space-between; gap: 16px; padding: 16px 0; border-bottom: 1px solid var(--line); font-weight: 500; }
.certs__list span { font-family: var(--f-mono); font-size: 0.8125rem; color: var(--mute); font-weight: 400; }
.certs__fan { grid-column: 7 / 13; position: relative; height: clamp(320px, 38vw, 460px); }
.doc { position: absolute; width: 46%; top: 50%; padding: 6px; border-radius: 1.25rem; background: var(--bg); box-shadow: inset 0 0 0 1px var(--line), 0 40px 70px -34px rgba(11, 22, 48, 0.5); transition: transform 0.9s var(--ease); }
.doc img { width: 100%; border-radius: calc(1.25rem - 6px); aspect-ratio: 210 / 297; object-fit: cover; object-position: top; }
.doc:nth-child(1) { left: 0; transform: translateY(-46%) rotate(-6deg); }
.doc:nth-child(2) { left: 27%; transform: translateY(-52%) rotate(1deg); z-index: 2; }
.doc:nth-child(3) { left: 54%; transform: translateY(-44%) rotate(7deg); }
.certs__fan:hover .doc:nth-child(1) { transform: translateY(-48%) translateX(-14px) rotate(-9deg); }
.certs__fan:hover .doc:nth-child(2) { transform: translateY(-56%) rotate(1deg); }
.certs__fan:hover .doc:nth-child(3) { transform: translateY(-46%) translateX(14px) rotate(10deg); }
@media (max-width: 900px) {
  .certs__text, .certs__fan { grid-column: 1 / -1; }
  .certs__fan { height: 340px; }
  .doc { width: 46%; }
  .doc:nth-child(1) { left: 1%; transform: translateY(-46%) rotate(-4deg); }
  .doc:nth-child(2) { left: 27%; transform: translateY(-52%); }
  .doc:nth-child(3) { left: 53%; transform: translateY(-44%) rotate(5deg); }
}

/* ---------- CTA ---------- */
.cta { position: relative; isolation: isolate; color: #fff; overflow: hidden; background: var(--ink); text-align: center; }
.cta__bg { position: absolute; inset: 0; z-index: -2; }
.cta__bg img { width: 100%; height: 100%; object-fit: cover; }
.cta::before { content: ""; position: absolute; inset: 0; z-index: -1; background: radial-gradient(ellipse at 50% 40%, rgba(11, 22, 48, 0.55), rgba(11, 22, 48, 0.92) 75%), rgba(29, 50, 112, 0.35); }
.cta__in { display: flex; flex-direction: column; align-items: center; }
.cta h2 { margin: 28px 0 22px; max-width: 15ch; font-size: clamp(2.4rem, 5.6vw, 5rem); }
.cta p.lead { color: rgba(255, 255, 255, 0.78); }
.cta__btns { margin-top: 40px; display: flex; flex-wrap: wrap; gap: 20px 28px; justify-content: center; align-items: center; }
.cta__btns .link { color: #fff; }
.cta__meta { margin-top: 72px; width: 100%; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line-w); text-align: left; }
.cta__meta > div { padding: 26px 24px 0 0; }
.cta__meta > div + div { padding-left: 24px; border-left: 1px solid var(--line-w); }
.cta__meta dt { font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--sky); }
.cta__meta dd { margin-top: 10px; color: rgba(255, 255, 255, 0.86); font-size: 1rem; line-height: 1.55; }
.cta__meta a:hover { color: var(--sky); }
@media (max-width: 800px) {
  .cta__meta { grid-template-columns: 1fr; }
  .cta__meta > div, .cta__meta > div + div { padding: 20px 0; border-left: 0; border-bottom: 1px solid var(--line-w); }
}

/* ---------- footer ---------- */
.foot { background: var(--ink); color: rgba(255, 255, 255, 0.7); padding-block: 72px 36px; border-top: 1px solid var(--line-w); }
.foot__grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 40px 32px; }
.foot__brand { grid-column: span 4; }
.foot__brand img { height: 34px; width: auto; filter: brightness(0) invert(1); margin-bottom: 22px; }
.foot__brand p { max-width: 40ch; font-size: 0.9688rem; }
.foot__social { display: flex; gap: 10px; margin-top: 24px; }
.foot__social a { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; color: rgba(255, 255, 255, 0.8); box-shadow: inset 0 0 0 1px var(--line-w); transition: background 0.5s var(--ease), color 0.5s var(--ease), transform 0.5s var(--ease); }
.foot__social a:hover { background: var(--sky); color: var(--ink); transform: translateY(-3px); }
.foot__social svg { width: 18px; height: 18px; }
.foot__col { grid-column: span 2; }
.foot__col:nth-child(3) { grid-column: span 3; }
.foot__news { grid-column: span 3; }
.foot__news p { font-size: 0.9375rem; margin-bottom: 16px; }
.news { position: relative; display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.news input[type="email"] { min-width: 0; width: 100%; padding: 13px 18px; border-radius: 999px; border: 0; background: rgba(255, 255, 255, 0.07); color: #fff; font: inherit; font-size: 0.9375rem; box-shadow: inset 0 0 0 1px var(--line-w); outline: none; transition: box-shadow 0.4s var(--ease), background 0.4s var(--ease); }
.news input[type="email"]::placeholder { color: rgba(255, 255, 255, 0.45); }
.news input[type="email"]:focus { background: rgba(255, 255, 255, 0.1); box-shadow: inset 0 0 0 1.5px var(--sky); }
.news button[type="submit"] { width: 48px; height: 48px; border-radius: 50%; display: grid; place-items: center; background: var(--sky); color: var(--ink); transition: transform 0.5s var(--ease), background 0.4s; }
.news button[type="submit"]:hover { transform: translate(2px, -2px); background: #95d6f2; }
.news__consent { grid-column: 1 / -1; display: flex; gap: 10px; align-items: flex-start; font-size: 0.78rem; line-height: 1.5; color: rgba(255, 255, 255, 0.55); cursor: pointer; }
.news__consent input { margin-top: 3px; accent-color: var(--sky); flex: none; }
.news__consent a { text-decoration: underline; }
.news__msg { grid-column: 1 / -1; font-size: 0.85rem; padding: 10px 14px; border-radius: 14px; background: rgba(126, 203, 236, 0.12); color: var(--sky); }
.news__msg.is-err { background: rgba(255, 122, 112, 0.12); color: #ff9d92; }
.foot__col h4 { margin: 0 0 18px; font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--sky); font-weight: 500; }
.foot__col li + li { margin-top: 10px; }
.foot__col a { transition: color 0.4s var(--ease); }
.foot__col a:hover { color: #fff; }
.foot__bottom { margin-top: 64px; padding-top: 26px; border-top: 1px solid var(--line-w); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 14px; font-size: 0.875rem; }
.foot__bottom nav { display: flex; gap: 22px; }
.foot__bottom a:hover { color: #fff; }
@media (max-width: 900px) {
  .foot__brand, .foot__news { grid-column: 1 / -1; }
  .foot__col, .foot__col:nth-child(3) { grid-column: span 6; }
}

/* ---------- inner pages ---------- */
.phead { position: relative; isolation: isolate; background: var(--ink); color: #fff; overflow: hidden; padding: 190px 0 clamp(64px, 8vw, 120px); }
.phead__bg { position: absolute; inset: 0; z-index: -2; }
.phead__bg img { width: 100%; height: 100%; object-fit: cover; }
.phead::before { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(11, 22, 48, 0.82) 0%, rgba(11, 22, 48, 0.6) 55%, rgba(11, 22, 48, 0.95) 100%), linear-gradient(90deg, rgba(11, 22, 48, 0.8), rgba(11, 22, 48, 0.1)); }
.phead h1 { margin: 26px 0 22px; max-width: 16ch; font-size: clamp(2.4rem, 5vw, 4.5rem); }
.phead .lead { color: rgba(255, 255, 255, 0.8); }
.crumbs { display: flex; gap: 10px; margin-top: 44px; font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255, 255, 255, 0.6); }
.crumbs a:hover { color: var(--sky); }

.split { display: grid; grid-template-columns: repeat(12, 1fr); gap: 48px 32px; align-items: start; }
.split__a { grid-column: 1 / 6; position: sticky; top: 120px; }
.split__b { grid-column: 7 / 13; }
.split__a h2 { margin-top: 24px; }
.prose p { color: var(--mute); }
.prose p + p { margin-top: 18px; }
.prose p:first-child { color: var(--text); font-size: 1.2rem; line-height: 1.6; }
@media (max-width: 900px) { .split__a, .split__b { grid-column: 1 / -1; position: static; } }

.mv { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.panel { padding: 8px; border-radius: var(--r-xl); background: rgba(44, 70, 137, 0.06); box-shadow: inset 0 0 0 1px rgba(44, 70, 137, 0.1); }
.panel__core { height: 100%; padding: clamp(28px, 3.4vw, 48px); border-radius: calc(var(--r-xl) - 8px); background: var(--paper); box-shadow: inset 0 1px 0 #fff; }
.panel--navy { background: rgba(255, 255, 255, 0.08); box-shadow: inset 0 0 0 1px var(--line-w); }
.panel--navy .panel__core { background: var(--navy); color: #fff; box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18); }
.panel--navy .muted { color: rgba(255, 255, 255, 0.78); }
.panel__core h3 { margin: 20px 0 16px; font-size: clamp(1.6rem, 2.4vw, 2.2rem); }
.panel__core .no { font-family: var(--f-mono); font-size: 0.75rem; letter-spacing: 0.14em; color: var(--sky-d); }
.panel--navy .no { color: var(--sky); }
.panel__core ul { margin-top: 18px; display: grid; gap: 12px; }
.panel__core li { display: flex; gap: 12px; align-items: flex-start; color: var(--mute); font-size: 0.9688rem; line-height: 1.55; }
.panel--navy li { color: rgba(255, 255, 255, 0.82); }
.panel__core li .icon { margin-top: 3px; color: var(--sky-d); }
.panel--navy li .icon { color: var(--sky); }
@media (max-width: 800px) { .mv { grid-template-columns: 1fr; } }

.vals { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.vals .panel__core { min-height: 280px; }
@media (max-width: 800px) { .vals { grid-template-columns: 1fr; } }

.hr { background: var(--paper); }
.hr__list { counter-reset: hr; border-top: 1px solid var(--line); }
.hr__list li { counter-increment: hr; display: grid; grid-template-columns: 64px 1fr; gap: 16px; padding: 24px 0; border-bottom: 1px solid var(--line); align-items: start; }
.hr__list li::before { content: counter(hr, decimal-leading-zero); font-family: var(--f-mono); font-size: 0.8125rem; color: var(--sky-d); padding-top: 4px; }
.hr__list b { display: block; font-family: var(--f-display); font-size: 1.25rem; letter-spacing: -0.02em; font-weight: 500; margin-bottom: 4px; }
.hr__list span { color: var(--mute); font-size: 0.9688rem; }

/* projects page */
.filters { position: sticky; top: 84px; z-index: 20; padding: 12px 0; margin-bottom: 40px; }
.filters__bar { display: flex; gap: 6px; padding: 6px; border-radius: 999px; width: max-content; max-width: 100%; overflow-x: auto; scrollbar-width: none; background: rgba(255, 255, 255, 0.82); -webkit-backdrop-filter: blur(18px); backdrop-filter: blur(18px); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.9), 0 18px 40px -24px rgba(11, 22, 48, 0.4); }
.filters__bar::-webkit-scrollbar { display: none; }
.chip { flex: none; padding: 10px 18px; border-radius: 999px; font-size: 0.9063rem; font-weight: 500; color: var(--mute); transition: background 0.4s var(--ease), color 0.4s var(--ease), transform 0.4s var(--ease); white-space: nowrap; }
.chip:hover { color: var(--ink); background: rgba(44, 70, 137, 0.07); }
.chip[aria-pressed="true"] { background: var(--navy); color: #fff; }
.chip sup { font-family: var(--f-mono); font-size: 0.65rem; margin-left: 4px; opacity: 0.7; top: -0.4em; position: relative; }
.chip:active { transform: scale(0.96); }

.pgrid { columns: 3; column-gap: 20px; }
.pitem { break-inside: avoid; margin-bottom: 20px; transition: opacity 0.6s var(--ease), transform 0.6s var(--ease); }
.pitem[hidden] { display: none; }
.pitem.is-out { opacity: 0; transform: scale(0.96); }
.pbtn { display: block; width: 100%; text-align: left; }
.pitem .card__core { aspect-ratio: auto; }
.pitem .card__core img { aspect-ratio: var(--ar, 4 / 3); }
.pitem .card__meta { padding-top: 14px; }
.pitem .card__name { font-size: 1.15rem; }
.card__desc { display: -webkit-box; -webkit-box-orient: vertical; -webkit-line-clamp: 3; line-clamp: 3; overflow: hidden; margin-top: 8px; font-size: 0.9rem; line-height: 1.5; color: var(--mute); text-align: left; }
.pempty { display: none; padding: 80px 24px; text-align: center; color: var(--mute); border: 1px dashed var(--line); border-radius: var(--r-xl); }
.pempty.on { display: block; }
@media (max-width: 1000px) { .pgrid { columns: 2; } }
@media (max-width: 620px) { .pgrid { columns: 1; } }

/* viewer dialog */
dialog.viewer { border: 0; padding: 0; background: transparent; max-width: none; max-height: none; width: 100%; height: 100%; color: #fff; }
dialog.viewer::backdrop { background: rgba(8, 15, 34, 0.9); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }
.viewer__in { position: relative; height: 100%; display: grid; grid-template-rows: 1fr auto; padding: clamp(16px, 3vw, 40px); gap: 20px; }
.viewer__stage { position: relative; min-height: 0; display: grid; place-items: center; }
.viewer__stage img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: var(--r-md); box-shadow: 0 40px 90px -30px #000; animation: vin 0.7s var(--ease) both; }
@keyframes vin { from { opacity: 0; transform: scale(0.97); } to { opacity: 1; transform: none; } }
.viewer__bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.viewer__cap small { display: block; font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sky); margin-bottom: 4px; }
.viewer__cap b { font-family: var(--f-display); font-size: 1.35rem; font-weight: 500; letter-spacing: -0.02em; }
.viewer__desc { margin-top: 8px; max-width: 62ch; color: rgba(255, 255, 255, 0.72); font-size: 0.95rem; line-height: 1.55; }
.viewer__desc[hidden] { display: none; }
.viewer__btns { display: flex; gap: 10px; }
.viewer__close { position: absolute; top: clamp(16px, 3vw, 40px); right: clamp(16px, 3vw, 40px); z-index: 2; }

/* certificates page */
.seg { display: inline-flex; padding: 5px; gap: 4px; border-radius: 999px; background: var(--paper); box-shadow: inset 0 0 0 1px var(--line); margin-bottom: 40px; }
.seg button { padding: 9px 20px; border-radius: 999px; font-size: 0.9063rem; font-weight: 500; color: var(--mute); transition: background 0.4s var(--ease), color 0.4s var(--ease); }
.seg button[aria-pressed="true"] { background: var(--navy); color: #fff; }
.cgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.cdoc { text-align: left; }
.cdoc .shell__core { aspect-ratio: 210 / 297; }
.cdoc img { object-position: top; transition: transform 1.2s var(--ease); }
.cdoc:hover img { transform: scale(1.04); }
.cdoc__t { padding: 16px 6px 0; display: flex; justify-content: space-between; gap: 12px; align-items: baseline; }
.cdoc__t b { font-family: var(--f-display); font-weight: 500; font-size: 1.2rem; letter-spacing: -0.02em; }
.cdoc__t span { font-family: var(--f-mono); font-size: 0.75rem; color: var(--mute); }
@media (max-width: 900px) { .cgrid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .cgrid { grid-template-columns: 1fr; } }

/* contact */
.cgrid2 { display: grid; grid-template-columns: repeat(12, 1fr); gap: 48px 32px; align-items: start; }
.cinfo { grid-column: 1 / 6; }
.cinfo h2 { margin: 24px 0 36px; }
.cinfo dl { border-top: 1px solid var(--line); }
.cinfo dl > div { padding: 22px 0; border-bottom: 1px solid var(--line); display: grid; grid-template-columns: 44px 1fr; gap: 16px; }
.cinfo .ib { width: 44px; height: 44px; border-radius: 50%; display: grid; place-items: center; background: rgba(126, 203, 236, 0.25); color: var(--navy); }
.cinfo dt { font-family: var(--f-mono); font-size: 0.6875rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--mute); }
.cinfo dd { margin-top: 4px; font-size: 1.1rem; line-height: 1.5; }
.cinfo dd a:hover { color: var(--navy); text-decoration: underline; text-underline-offset: 4px; }
.cform { grid-column: 7 / 13; }
.form__core { padding: clamp(26px, 3.4vw, 44px); }
.field { display: grid; gap: 8px; }
.field + .field, .row + .field, .field + .row { margin-top: 22px; }
.row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 22px; align-items: start; }
.cgrid2 > * { min-width: 0; }
.row > .field + .field { margin-top: 0; }
.field label { font-size: 0.875rem; font-weight: 500; }
.field label i { font-style: normal; color: var(--mute); font-weight: 400; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: var(--text);
  padding: 15px 18px; border-radius: 14px;
  background: var(--bg); border: 0; box-shadow: inset 0 0 0 1px var(--line);
  transition: box-shadow 0.4s var(--ease), background 0.4s var(--ease);
  appearance: none; -webkit-appearance: none;
}
.field select { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2356627f' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 44px; }
.field textarea { min-height: 150px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; background: #fff; box-shadow: inset 0 0 0 1.5px var(--navy), 0 0 0 5px rgba(126, 203, 236, 0.3); }
.field.err input, .field.err select, .field.err textarea { box-shadow: inset 0 0 0 1.5px #c0443a; background: #fff; }
.field .msg { display: none; font-size: 0.8438rem; color: #b13a31; }
.field.err .msg { display: block; }
.form__foot { margin-top: 28px; display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.form__foot small { color: var(--mute); max-width: 34ch; line-height: 1.5; }
.form__ok { display: none; margin-top: 20px; padding: 16px 18px; border-radius: 14px; background: rgba(126, 203, 236, 0.22); color: var(--navy-d); font-size: 0.9688rem; }
.form__ok.on { display: block; }
.map { margin-top: clamp(56px, 7vw, 96px); }
.map .shell__core { aspect-ratio: 21 / 8; min-height: 320px; }
.map iframe { width: 100%; height: 100%; border: 0; filter: grayscale(0.4) contrast(1.02); }
@media (max-width: 900px) { .cinfo, .cform { grid-column: 1 / -1; } .row { grid-template-columns: minmax(0, 1fr); } .map .shell__core { aspect-ratio: auto; height: 340px; min-height: 0; } }

/* legal + 404 */
.legal { max-width: 760px; }
.legal h2 { font-size: 1.6rem; margin: 40px 0 12px; letter-spacing: -0.025em; }
.legal p, .legal li { color: var(--mute); }
.legal ul { list-style: disc; padding-left: 22px; display: grid; gap: 6px; }
.nf { min-height: 100dvh; display: grid; place-items: center; text-align: center; padding: 120px var(--gutter) 60px; background: var(--ink); color: #fff; position: relative; overflow: hidden; isolation: isolate; }
.nf::before { content: "404"; position: absolute; inset: 0; z-index: -1; display: grid; place-items: center; font-family: var(--f-display); font-size: clamp(12rem, 40vw, 34rem); letter-spacing: -0.06em; color: rgba(126, 203, 236, 0.07); line-height: 1; }
.nf h1 { font-size: clamp(2.2rem, 5vw, 4rem); margin: 22px 0 18px; }
.nf .lead { color: rgba(255, 255, 255, 0.72); margin-inline: auto; }
.nf .btn { margin-top: 36px; }

/* ---------- dynamic forms (panelden yönetilen) ---------- */
.dform { position: relative; padding: 8px; border-radius: var(--r-xl); background: rgba(44, 70, 137, 0.06); box-shadow: inset 0 0 0 1px rgba(44, 70, 137, 0.1); max-width: 760px; }
.dform__core { padding: clamp(26px, 3.4vw, 44px); border-radius: calc(var(--r-xl) - 8px); background: var(--paper); box-shadow: inset 0 1px 0 #fff; }
.dform__head { margin-bottom: 26px; }
.dform__head h2 { font-size: clamp(1.5rem, 2.6vw, 2rem); }
.dform__head p { margin-top: 8px; color: var(--mute); }
.dform .field { display: grid; gap: 8px; margin-bottom: 22px; }
.dform .field label, .dform .field legend { font-size: 0.875rem; font-weight: 500; }
.dform .field .req { color: #c0443a; }
.dform .field .help { font-size: 0.8438rem; color: var(--mute); }
.dform .field input:not([type="checkbox"]):not([type="radio"]), .dform .field select, .dform .field textarea { width: 100%; font: inherit; color: var(--text); padding: 15px 18px; border-radius: 14px; background: var(--bg); border: 0; box-shadow: inset 0 0 0 1px var(--line); transition: box-shadow 0.4s var(--ease), background 0.4s var(--ease); appearance: none; -webkit-appearance: none; }
.dform .field select { background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='%2356627f' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'><path d='m6 9 6 6 6-6'/></svg>"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 44px; }
.dform .field textarea { min-height: 150px; resize: vertical; }
.dform .field input:focus, .dform .field select:focus, .dform .field textarea:focus { outline: none; background: #fff; box-shadow: inset 0 0 0 1.5px var(--navy), 0 0 0 5px rgba(126, 203, 236, 0.3); }
.dform .field.err input, .dform .field.err select, .dform .field.err textarea { box-shadow: inset 0 0 0 1.5px #c0443a; background: #fff; }
.dform .field .msg { display: none; font-size: 0.8438rem; color: #b13a31; }
.dform .field.err .msg { display: block; }
.dform fieldset { border: 0; min-width: 0; }
.dform .choice { display: flex; align-items: center; gap: 12px; padding: 10px 0; cursor: pointer; font-size: 0.9688rem; }
.dform .choice input { width: 18px; height: 18px; accent-color: var(--navy); }
.dform .sect { margin: 30px 0 18px; padding-top: 22px; border-top: 1px solid var(--line); font-family: var(--f-display); font-size: 1.2rem; letter-spacing: -0.02em; color: var(--navy); }
.dform .sect:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.dform .consent { display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border-radius: 16px; background: var(--bg); box-shadow: inset 0 0 0 1px var(--line); font-size: 0.875rem; line-height: 1.55; color: var(--mute); cursor: pointer; margin: 8px 0 26px; }
.dform .consent input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--navy); flex: none; }
.dform .consent a { color: var(--navy); text-decoration: underline; }
.dform__err { display: none; margin-bottom: 20px; padding: 14px 18px; border-radius: 14px; background: rgba(192, 68, 58, 0.09); color: #a8352c; font-size: 0.9375rem; }
.dform__err.on { display: block; }
.dform__ok { text-align: center; padding: 28px 12px; }
.dform__ok .tick { width: 64px; height: 64px; border-radius: 50%; margin: 0 auto 20px; display: grid; place-items: center; background: rgba(126, 203, 236, 0.25); color: var(--navy); }
.dform__ok h2 { font-size: 1.6rem; margin-bottom: 10px; }
.dform__ok p { color: var(--mute); }
.dform__ok .ref { margin-top: 14px; font-family: var(--f-mono); color: var(--navy); }
.dform__wait { padding: 34px; text-align: center; color: var(--mute); }
.dform__fail { padding: 26px; text-align: center; color: var(--mute); }
.nbox { max-width: 720px; padding: clamp(26px, 4vw, 44px); border-radius: var(--r-xl); background: var(--ink); color: #fff; }
.nbox .lead { color: rgba(255, 255, 255, 0.72); margin: 12px 0 24px; }
.nbox h2 { margin-top: 18px; }
.nbox .news { max-width: 520px; }

/* ---------- split headings ---------- */
.sw .w { display: inline-block; overflow: hidden; vertical-align: top; padding-block: 0.14em; margin-block: -0.14em; }
.sw .wi { display: inline-block; transform: translateY(115%); transition: transform 1.15s var(--ease); transition-delay: calc(var(--i, 0) * 45ms + var(--d, 0s)); }
.sw.in .wi { transform: none; }
.sw em { font-style: normal; }

/* ---------- cursor ball ---------- */
html.has-cursor, html.has-cursor * { cursor: none !important; }
html.has-cursor :is(input, textarea, select) { cursor: auto !important; }
html.has-cursor.modal-open, html.has-cursor.modal-open * { cursor: auto !important; }
.cursor {
  position: fixed; left: 0; top: 0; z-index: var(--z-cursor);
  width: 0; height: 0; pointer-events: none;
  mix-blend-mode: difference;
  opacity: 0; transition: opacity 0.4s var(--ease);
}
.cursor.is-on { opacity: 1; }
.modal-open .cursor, .cursor.is-field { opacity: 0; }
.cursor__dot {
  position: absolute; left: 0; top: 0; width: 26px; height: 26px; margin: -13px 0 0 -13px;
  border-radius: 50%; background: #fff;
  display: grid; place-items: center;
  transform: scale(1);
  transition: transform 0.6s var(--ease);
}
.cursor.is-link .cursor__dot { transform: scale(2.4); }
.cursor.is-label .cursor__dot { transform: scale(3.6); }
.cursor.is-down .cursor__dot { transform: scale(0.8); }
.cursor.is-link.is-down .cursor__dot { transform: scale(2); }
.cursor__label {
  font-family: var(--f-mono); font-size: 0.2188rem; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  color: #000; opacity: 0; transition: opacity 0.3s var(--ease);
  white-space: nowrap; transform: scale(0.8);
}
.cursor.is-label .cursor__label { opacity: 1; }

/* ---------- loader ---------- */
.loader {
  display: none; position: fixed; inset: 0; z-index: var(--z-loader);
  place-items: center; background: var(--ink); color: #fff;
  clip-path: inset(0 0 0 0);
}
.is-loading .loader { display: grid; animation: loader-fail 0.01s 6s forwards; }
.is-loading, .is-loading body { overflow: hidden; animation: unlock 0.01s 6s forwards; }
@keyframes loader-fail { to { visibility: hidden; pointer-events: none; } }
@keyframes unlock { to { overflow: auto; } }
.loader.is-out { clip-path: inset(0 0 100% 0); transition: clip-path 0.95s cubic-bezier(0.76, 0, 0.24, 1) 0.15s; }
.loader.is-out .loader__in { opacity: 0; transform: translateY(-24px); transition: opacity 0.5s var(--ease), transform 0.7s var(--ease); }
.loader__in { display: grid; justify-items: center; gap: 26px; }
.loader__mark { width: clamp(96px, 16vw, 132px); height: auto; overflow: visible; }
.loader__mark path { fill: var(--sky); opacity: 0; transform: translateX(-46px); animation: bar-in 0.9s var(--ease) forwards; }
.loader__mark path:nth-child(1) { animation-delay: 0.1s; }
.loader__mark path:nth-child(2) { animation-delay: 0.22s; }
.loader__mark path:nth-child(3) { animation-delay: 0.34s; }
.loader__mark path:nth-child(4) { animation-delay: 0.46s; }
.loader__mark path:nth-child(5) { animation-delay: 0.58s; }
@keyframes bar-in { from { opacity: 0; transform: translateX(-46px); } to { opacity: 1; transform: none; } }
.loader__name { font-family: var(--f-display); font-weight: 500; font-size: 1.05rem; letter-spacing: 0.42em; text-indent: 0.42em; opacity: 0; animation: rise 0.9s var(--ease) 0.7s forwards; }
.loader__name b { font-weight: 600; color: #fff; }
.loader__name span { color: var(--sky); font-weight: 400; }
.loader__line { width: 140px; height: 2px; border-radius: 2px; background: rgba(255, 255, 255, 0.14); overflow: hidden; opacity: 0; animation: rise 0.6s var(--ease) 0.8s forwards; }
.loader__line::after { content: ""; display: block; height: 100%; background: var(--sky); transform: scaleX(0); transform-origin: left; animation: fill 1.3s cubic-bezier(0.65, 0, 0.35, 1) 0.2s forwards; }
@keyframes rise { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes fill { to { transform: scaleX(1); } }

/* ---------- scroll progress + hero parallax + page transitions (progressive) ---------- */
.progress { position: fixed; left: 0; right: 0; top: 0; height: 3px; z-index: var(--z-progress); background: var(--sky); transform: scaleX(0); transform-origin: left; pointer-events: none; display: none; }
@supports (animation-timeline: scroll()) {
  .progress { display: block; animation: grow linear both; animation-timeline: scroll(root); }
  @keyframes grow { to { transform: scaleX(1); } }
  .hero__slides { animation: hero-shift linear both; animation-timeline: scroll(root); animation-range: 0 100vh; }
  @keyframes hero-shift { to { transform: translateY(14vh) scale(1.06); } }
}
@view-transition { navigation: auto; }
::view-transition-old(root) { animation: vt-out 0.3s var(--ease) both; }
::view-transition-new(root) { animation: vt-in 0.55s var(--ease) both; }
@keyframes vt-out { to { opacity: 0; } }
@keyframes vt-in { from { opacity: 0; } }

/* ---------- value band (kinetic type) ---------- */
.band { background: var(--bg); overflow: clip; padding-block: clamp(40px, 5vw, 76px); border-block: 1px solid var(--line); }
.band__row { display: flex; width: max-content; }
.band__row + .band__row { margin-top: clamp(4px, 1vw, 14px); }
.band__group { display: flex; align-items: center; flex: none; animation: marquee 48s linear infinite; }
.band__row--rev .band__group { animation-direction: reverse; animation-duration: 56s; }
.band__row:hover .band__group { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-100%); } }
.band__w {
  font-family: var(--f-display); font-weight: 500; letter-spacing: -0.045em; line-height: 1.05;
  font-size: clamp(3.5rem, 9.5vw, 9rem); white-space: nowrap; padding-inline: clamp(14px, 2vw, 32px);
  color: transparent; -webkit-text-stroke: 1.5px rgba(44, 70, 137, 0.6);
  transition: color 0.6s var(--ease), -webkit-text-stroke-color 0.6s var(--ease);
}
.band__row--rev .band__w { color: var(--navy); -webkit-text-stroke: 0; }
.band__row:not(.band__row--rev) .band__w:hover { color: var(--navy); }
.band__sep { flex: none; width: clamp(28px, 4vw, 56px); height: clamp(18px, 2.6vw, 36px); background: var(--sky); transform: skewX(-24deg); border-radius: 2px; }

/* ---------- reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
  .band__group { animation: none; }
  .loader { display: none !important; }
  .js .rv { opacity: 1; transform: none; filter: none; }
  .js .rv-img .shell__core { clip-path: none; }
  .js .rv-img .shell__core img { transform: none; }
}

/* yumuşak kaydırma (Lenis) */
html.lenis, html.lenis body { height: auto; }
.lenis.lenis-smooth { scroll-behavior: auto !important; }
.lenis.lenis-smooth [data-lenis-prevent] { overscroll-behavior: contain; }
.lenis.lenis-stopped { overflow: clip; }
.lenis.lenis-scrolling iframe { pointer-events: none; }
