/* =========================================================
   Vecta Works — stil dosyası
   1. Değişkenler   2. Temel   3. Başlık   4. Hero
   5. Bölümler      6. Kartlar 7. İlkeler  8. Süreç
   9. İletişim      10. Alt bilgi          11. Duyarlı düzen
   ========================================================= */

/* 1. Değişkenler ----------------------------------------- */

:root {
  --ink: #070C17;
  --ink-2: #0D1526;
  --ink-3: #16203a;

  --paper: #ffffff;
  --paper-2: #f5f7fb;

  --text: #101828;
  --text-2: #55617a;
  --line: #e3e8f2;

  --accent: #2e5bff;
  --accent-2: #6b8bff;
  --accent-soft: #eef2ff;
  --teal: #12b39b;

  --wrap: 1160px;
  --radius: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 1px 2px rgba(16, 24, 40, .05);
  --shadow-md: 0 12px 32px -12px rgba(16, 24, 40, .18);
  --shadow-lg: 0 30px 60px -30px rgba(7, 12, 23, .45);

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

  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
          'Helvetica Neue', Arial, sans-serif;
}

/* 2. Temel ----------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

body.nav-open { overflow: hidden; }

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

h1, h2, h3 {
  margin: 0;
  line-height: 1.15;
  letter-spacing: -.022em;
  font-weight: 650;
}

p { margin: 0; }

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

ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.wrap {
  width: 100%;
  max-width: var(--wrap);
  margin-inline: auto;
  padding-inline: 24px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  padding: 12px 18px;
  background: var(--accent);
  color: #fff;
  border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* Butonlar */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15.5px;
  font-weight: 560;
  letter-spacing: -.01em;
  cursor: pointer;
  transition: transform .25s var(--ease), background-color .25s var(--ease),
              border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 10px 30px -12px rgba(46, 91, 255, .8);
}
.btn-primary:hover { background: #2049e0; transform: translateY(-2px); }

.btn-ghost {
  border-color: rgba(255, 255, 255, .28);
  color: #fff;
}
.btn-ghost:hover {
  border-color: rgba(255, 255, 255, .6);
  background: rgba(255, 255, 255, .06);
  transform: translateY(-2px);
}

/* Marka */

.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 19px;
  font-weight: 650;
  letter-spacing: -.03em;
}

.brand-mark {
  width: 27px;
  height: 27px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 2.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.brand-mark .mark-head { stroke: var(--accent-2); stroke-width: 2.2; }

.brand-thin { font-weight: 350; opacity: .78; }

/* 3. Başlık ---------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  color: #fff;
  transition: background-color .3s var(--ease), box-shadow .3s var(--ease),
              color .3s var(--ease), border-color .3s var(--ease);
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, .88);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--line);
  color: var(--text);
}
.site-header.is-scrolled .brand-mark .mark-head { stroke: var(--accent); }

.header-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 76px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
  font-size: 15px;
}

.nav a {
  position: relative;
  padding: 9px 13px;
  border-radius: 8px;
  opacity: .82;
  transition: opacity .2s var(--ease), background-color .2s var(--ease);
}
.nav a:hover { opacity: 1; background: rgba(127, 145, 180, .12); }
.nav a.is-current { opacity: 1; font-weight: 560; }
.nav a.is-current::after {
  content: '';
  position: absolute;
  left: 13px; right: 13px; bottom: 2px;
  height: 2px;
  border-radius: 2px;
  background: var(--accent);
}

.nav .nav-cta {
  margin-left: 8px;
  padding: 9px 18px;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: 1;
}
.nav .nav-cta:hover { background: var(--accent); border-color: var(--accent); color: #fff; }
.nav .nav-cta.is-current::after { display: none; }

.header-tools { display: flex; align-items: center; gap: 12px; }

.lang-switch {
  display: inline-flex;
  padding: 3px;
  border: 1px solid currentColor;
  border-radius: 999px;
  opacity: .7;
}
.site-header.is-scrolled .lang-switch { opacity: .55; }

.lang-switch button {
  padding: 4px 11px;
  border: 0;
  border-radius: 999px;
  background: none;
  color: inherit;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background-color .2s var(--ease), color .2s var(--ease);
}
.site-header .lang-switch button.is-active { color: var(--ink); background: #fff; }
.site-header.is-scrolled .lang-switch button.is-active { background: var(--text); color: #fff; }

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid currentColor;
  border-radius: 10px;
  background: none;
  color: inherit;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 17px;
  height: 1.8px;
  margin: 3.5px auto;
  background: currentColor;
  border-radius: 2px;
  transition: transform .25s var(--ease), opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5.3px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5.3px) rotate(-45deg); }

/* 4. Hero ------------------------------------------------ */

.hero {
  position: relative;
  overflow: hidden;
  padding: 172px 0 92px;
  background: var(--ink);
  color: #fff;
  isolation: isolate;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(760px 460px at 78% 8%, rgba(46, 91, 255, .34), transparent 62%),
    radial-gradient(620px 420px at 8% 92%, rgba(18, 179, 155, .20), transparent 60%),
    linear-gradient(180deg, #070C17 0%, #0B142A 55%, #070C17 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, .045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .045) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: radial-gradient(120% 80% at 50% 0%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(120% 80% at 50% 0%, #000 25%, transparent 78%);
}

.hero-bg::after {
  content: '';
  position: absolute;
  inset: auto -10% -40% -10%;
  height: 60%;
  background: linear-gradient(180deg, transparent, rgba(7, 12, 23, .9));
}

.hero-inner { position: relative; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  padding: 7px 16px;
  margin-bottom: 26px;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .82);
  background: rgba(255, 255, 255, .04);
}

.hero-title {
  max-width: 17ch;
  font-size: clamp(2.5rem, 6.2vw, 4.6rem);
  font-weight: 640;
  letter-spacing: -.035em;
  line-height: 1.06;
}
.hero-title em {
  font-style: normal;
  color: transparent;
  background: linear-gradient(100deg, var(--accent-2), var(--teal));
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-lead {
  max-width: 56ch;
  margin-top: 26px;
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: rgba(255, 255, 255, .72);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 38px;
}

.hero-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  margin-top: 66px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, .13);
}
.hero-strip li { display: flex; flex-direction: column; gap: 4px; padding-right: 20px; }
.hero-strip strong { font-size: 16.5px; font-weight: 600; letter-spacing: -.015em; }
.hero-strip span { font-size: 14.5px; color: rgba(255, 255, 255, .58); line-height: 1.45; }

/* 5. Bölümler -------------------------------------------- */

.section { padding: clamp(76px, 9vw, 120px) 0; }
.section-alt { background: var(--paper-2); }

.section-dark {
  background: var(--ink-2);
  color: #fff;
  background-image: radial-gradient(700px 400px at 85% 0%, rgba(46, 91, 255, .18), transparent 65%);
}
.section-dark .section-lead { color: rgba(255, 255, 255, .68); }
.section-dark .label { color: var(--accent-2); }

.section-head { max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }

.label {
  margin-bottom: 14px;
  font-size: 12.5px;
  font-weight: 640;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent);
}

.section-head h2 {
  font-size: clamp(1.85rem, 3.6vw, 2.7rem);
  letter-spacing: -.03em;
}

.section-lead {
  margin-top: 20px;
  font-size: clamp(1.02rem, 1.4vw, 1.17rem);
  color: var(--text-2);
  max-width: 62ch;
}

.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

/* Görünürlük animasyonu */

/* Yalnızca .js sınıfı varken gizleriz: JavaScript kapalıysa ya da
   yüklenemezse içerik olduğu gibi görünür kalır. */
.js .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* 6. Kartlar --------------------------------------------- */

.card {
  padding: 32px 30px 34px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  transition: transform .35s var(--ease), box-shadow .35s var(--ease),
              border-color .35s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  border-color: #cdd7ea;
  box-shadow: var(--shadow-md);
}

.card-icon {
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  margin-bottom: 22px;
  border-radius: 12px;
  background: var(--accent-soft);
  color: var(--accent);
}
.card-icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: 15.8px; line-height: 1.6; }

.statement {
  margin-top: 34px;
  padding: 34px 38px;
  border-left: 3px solid var(--accent);
  border-radius: 4px 16px 16px 4px;
  background: linear-gradient(90deg, var(--accent-soft), rgba(238, 242, 255, 0));
  font-size: clamp(1.08rem, 1.7vw, 1.32rem);
  line-height: 1.55;
  letter-spacing: -.015em;
}
.statement strong { font-weight: 640; }

/* Vizyon & misyon panelleri */

.vm-grid { gap: 26px; }

.panel {
  position: relative;
  padding: 40px 38px 44px;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .035);
  transition: border-color .35s var(--ease), background-color .35s var(--ease);
}
.panel:hover { border-color: rgba(255, 255, 255, .28); background: rgba(255, 255, 255, .06); }

.panel-tag {
  margin-bottom: 18px;
  font-size: 12.5px;
  font-weight: 640;
  letter-spacing: .13em;
  text-transform: uppercase;
  color: var(--accent-2);
}

.panel-text {
  font-size: clamp(1.06rem, 1.5vw, 1.24rem);
  line-height: 1.55;
  letter-spacing: -.015em;
  color: rgba(255, 255, 255, .92);
}

/* 7. İlkeler --------------------------------------------- */

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.principle {
  padding: 38px 34px 40px;
  background: var(--paper);
  transition: background-color .3s var(--ease);
}
.principle:hover { background: #fbfcfe; }

.principle-no {
  display: block;
  margin-bottom: 18px;
  font-size: 13px;
  font-weight: 680;
  letter-spacing: .1em;
  color: var(--accent);
}

.principle h3 { font-size: 19.5px; margin-bottom: 11px; }
.principle p { color: var(--text-2); font-size: 15.8px; line-height: 1.62; }

/* 8. Süreç ----------------------------------------------- */

.steps {
  display: grid;
  gap: 0;
  border-left: 2px solid var(--line);
  margin-left: 10px;
}

.step {
  position: relative;
  padding: 0 0 40px 40px;
}
.step:last-child { padding-bottom: 0; }

.step::before {
  content: '';
  position: absolute;
  left: -7px;
  top: 7px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(46, 91, 255, .13);
}

.step-no {
  display: block;
  margin-bottom: 8px;
  font-size: 12.5px;
  font-weight: 680;
  letter-spacing: .12em;
  color: var(--accent);
}

.step h3 { font-size: 21px; margin-bottom: 9px; }
.step p { color: var(--text-2); max-width: 68ch; font-size: 16px; }

.outcomes {
  margin-top: 56px;
  padding: 38px 36px 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--paper);
}

.outcomes-title {
  margin-bottom: 28px;
  font-size: 13px;
  font-weight: 640;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--text-2);
}

.outcome { padding-top: 20px; border-top: 2px solid var(--accent); }
.outcome:nth-child(2) { border-top-color: var(--accent-2); }
.outcome:nth-child(3) { border-top-color: var(--teal); }
.outcome-term { font-weight: 640; font-size: 17px; margin-bottom: 6px; letter-spacing: -.015em; }
.outcome p:last-child { color: var(--text-2); font-size: 15.8px; line-height: 1.6; }

/* Ortak kutuları */

.tile {
  padding: 30px 26px 32px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper-2);
  transition: transform .35s var(--ease), background-color .35s var(--ease),
              border-color .35s var(--ease);
}
.tile:hover { transform: translateY(-4px); background: #fff; border-color: #cdd7ea; }
.tile h3 { font-size: 17.5px; margin-bottom: 10px; letter-spacing: -.02em; }
.tile p { color: var(--text-2); font-size: 15.3px; line-height: 1.58; }

/* 9. İletişim -------------------------------------------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: clamp(36px, 6vw, 76px);
  align-items: start;
}

.contact-list { margin: 40px 0 0; display: grid; gap: 22px; }
.contact-list dt {
  font-size: 12.5px;
  font-weight: 640;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, .5);
  margin-bottom: 5px;
}
.contact-list dd { margin: 0; font-size: 18px; letter-spacing: -.015em; }
.contact-list a { border-bottom: 1px solid rgba(255, 255, 255, .3); transition: border-color .2s var(--ease); }
.contact-list a:hover { border-bottom-color: var(--accent-2); }

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  padding: 34px 32px 36px;
  border: 1px solid rgba(255, 255, 255, .13);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, .04);
}

.field { display: flex; flex-direction: column; gap: 8px; }
.field-full { grid-column: 1 / -1; }

.field label {
  font-size: 13.5px;
  font-weight: 540;
  color: rgba(255, 255, 255, .66);
  letter-spacing: -.005em;
}

.field input,
.field textarea {
  width: 100%;
  padding: 13px 15px;
  border: 1px solid rgba(255, 255, 255, .16);
  border-radius: 10px;
  background: rgba(7, 12, 23, .5);
  color: #fff;
  font: inherit;
  font-size: 15.5px;
  transition: border-color .2s var(--ease), background-color .2s var(--ease);
}
.field textarea { resize: vertical; min-height: 120px; }
.field input:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent-2);
  background: rgba(7, 12, 23, .75);
}

.form-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-top: 4px;
}

.form-note { font-size: 13.5px; color: rgba(255, 255, 255, .5); max-width: 34ch; line-height: 1.45; }
.form-note.is-error { color: #ff9b9b; }
.form-note.is-ok { color: #7ee0c8; }

/* 10. Alt bilgi ------------------------------------------ */

.site-footer {
  padding: 54px 0 46px;
  background: var(--ink);
  color: rgba(255, 255, 255, .72);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 26px;
}

.footer-brand { display: inline-flex; align-items: center; gap: 11px; color: #fff; font-size: 19px; font-weight: 650; letter-spacing: -.03em; }

.footer-claim {
  flex: 1 1 380px;
  max-width: 52ch;
  font-size: 14.5px;
  line-height: 1.55;
  color: rgba(255, 255, 255, .58);
}
.footer-claim span { display: block; }
body[data-lang="tr"] .claim-en,
body[data-lang="en"] .claim-tr { display: none; }

.footer-meta { font-size: 14px; color: rgba(255, 255, 255, .45); }

/* 11. Duyarlı düzen -------------------------------------- */

@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .principles { grid-template-columns: repeat(2, 1fr); }
  .hero-strip { grid-template-columns: repeat(2, 1fr); gap: 26px 20px; }
}

@media (max-width: 860px) {
  html { scroll-padding-top: 80px; }

  .header-inner { height: 68px; gap: 14px; }
  .nav-toggle { display: block; }

  .nav {
    position: fixed;
    inset: 68px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 18px 22px 28px;
    background: var(--ink-2);
    color: #fff;
    border-bottom: 1px solid rgba(255, 255, 255, .1);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity .25s var(--ease), transform .25s var(--ease), visibility .25s;
  }
  .nav.is-open { opacity: 1; visibility: visible; transform: none; }

  .nav a { padding: 13px 4px; font-size: 16.5px; border-bottom: 1px solid rgba(255, 255, 255, .07); border-radius: 0; }
  .nav a:hover { background: none; }
  .nav a.is-current::after { display: none; }
  .nav .nav-cta { margin: 16px 0 0; text-align: center; border-color: rgba(255, 255, 255, .35); }

  .hero { padding: 148px 0 78px; }
  .hero-strip { margin-top: 58px; }

  .grid-2, .grid-3 { grid-template-columns: 1fr; }

  .contact-grid { grid-template-columns: 1fr; }
  .contact-form { grid-template-columns: 1fr; padding: 28px 22px 30px; }

  .statement { padding: 26px 24px; }
  .outcomes { padding: 30px 24px 32px; }
}

@media (max-width: 640px) {
  .grid-4 { grid-template-columns: 1fr; }
  .principles { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 20px; }
  .brand-text, .footer-brand .brand-text { font-size: 18px; }
  .hero-strip { grid-template-columns: 1fr; gap: 20px; }
  .btn { width: 100%; }
  .card { padding: 26px 22px 28px; }
  .principle { padding: 30px 24px 32px; }
  .panel { padding: 30px 24px 34px; }
  .step { padding-left: 28px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
}