/* Manrope, self-hosted (no third-party font CDN - KVKK/GDPR friendly). */
@font-face {
  font-family: 'Manrope'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('fonts/manrope-latin-ext-400-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: 'Manrope'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('fonts/manrope-latin-400-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: 'Manrope'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('fonts/manrope-latin-ext-500-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: 'Manrope'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('fonts/manrope-latin-500-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: 'Manrope'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('fonts/manrope-latin-ext-600-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: 'Manrope'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('fonts/manrope-latin-600-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: 'Manrope'; font-style: normal; font-weight: 700; font-display: swap;
  src: url('fonts/manrope-latin-ext-700-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: 'Manrope'; font-style: normal; font-weight: 700; font-display: swap;
  src: url('fonts/manrope-latin-700-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: 'Manrope'; font-style: normal; font-weight: 800; font-display: swap;
  src: url('fonts/manrope-latin-ext-800-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: 'Manrope'; font-style: normal; font-weight: 800; font-display: swap;
  src: url('fonts/manrope-latin-800-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;
}

:root {
  --ink: #0A1F2B;
  --ink-2: #12303F;
  --teal: #12B5A5;
  --cyan: #22D3EE;
  --mist: #7C9BA6;
  --body: #3E5560;
  --line: #E1EAEC;
  --bg: #FFFFFF;
  --bg-alt: #F4F8F9;
  --radius: 16px;
  --wrap: 1120px;
  --font: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto,
          'Helvetica Neue', Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--body);
  font-family: var(--font); font-size: 17px; line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: inherit; }
h1, h2, h3 { color: var(--ink); line-height: 1.15; letter-spacing: -0.022em; margin: 0; }
h1 { font-size: clamp(38px, 6.2vw, 66px); font-weight: 800; }
h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 800; }
h3 { font-size: 19px; font-weight: 700; }
p { margin: 0; }

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.skip {
  position: absolute; left: -9999px; top: 0; background: var(--ink); color: #fff;
  padding: 12px 18px; z-index: 100; border-radius: 0 0 10px 0;
}
.skip:focus { left: 0; }

/* ---------------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 50; background: rgba(10,31,43,0.92);
  backdrop-filter: saturate(160%) blur(12px);
  -webkit-backdrop-filter: saturate(160%) blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  transition: background .2s ease, border-color .2s ease;
}
.site-header.is-stuck { background: rgba(10,31,43,0.98); }
.header-inner { display: flex; align-items: center; gap: 20px; height: 72px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; margin-right: auto; }
.brand-mark { display: inline-flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1; }
.brand-name {
  font-weight: 800; font-size: 20px; letter-spacing: .05em; color: #fff;
}
.brand-sub {
  font-size: 9.5px; letter-spacing: .34em; color: #7FA0AC; margin-top: 5px; font-weight: 600;
}
.nav { display: flex; gap: 28px; }
.nav a {
  color: #B7CCD4; text-decoration: none; font-size: 14.5px; font-weight: 600;
  letter-spacing: .01em; transition: color .15s ease;
}
.nav a:hover, .nav a:focus-visible { color: #fff; }
.lang { display: flex; align-items: center; gap: 8px; }
.lang button {
  background: none; border: 0; color: #7FA0AC; font: inherit; font-size: 13px;
  font-weight: 700; letter-spacing: .06em; cursor: pointer; padding: 6px 2px;
  transition: color .15s ease;
}
.lang button:hover { color: #fff; }
.lang button.is-active { color: var(--cyan); }
.lang-div { width: 1px; height: 14px; background: rgba(255,255,255,.18); }

/* ------------------------------------------------------------ hero */
.hero {
  position: relative; background: var(--ink); color: #C7DCE3; overflow: hidden;
  padding: clamp(72px, 11vw, 132px) 0 clamp(80px, 12vw, 140px);
}
.hero-glow {
  position: absolute; inset: -20% -10% auto -10%; height: 120%;
  background:
    radial-gradient(46% 60% at 78% 18%, rgba(34,211,238,.22), transparent 62%),
    radial-gradient(42% 55% at 12% 88%, rgba(18,181,165,.20), transparent 65%);
  pointer-events: none;
}
.hero-inner { position: relative; max-width: 900px; }
.eyebrow {
  font-size: 12px; letter-spacing: .18em; text-transform: uppercase;
  font-weight: 700; color: var(--cyan); margin: 0 0 18px;
}
.eyebrow-dark { color: var(--teal); }
.hero h1 { color: #fff; }
.hero h1 em { font-style: normal; color: var(--cyan); }
.lede {
  font-size: clamp(17px, 2vw, 20px); color: #A9C4CE; margin: 22px 0 0; max-width: 60ch;
}
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 26px; border-radius: 999px; font-weight: 700; font-size: 15px;
  text-decoration: none; transition: transform .12s ease, background .15s ease,
  border-color .15s ease, color .15s ease; border: 1.5px solid transparent;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--cyan); color: #0A1F2B; }
.btn-primary:hover { background: #4DDDF5; }
.btn-ghost { border-color: rgba(255,255,255,.28); color: #DCEBF0; }
.btn-ghost:hover { border-color: var(--cyan); color: #fff; }

/* --------------------------------------------------------- sections */
.section { padding: clamp(64px, 9vw, 104px) 0; }
.section-alt { background: var(--bg-alt); }
.section-lede { margin-top: 14px; font-size: 18px; color: #5A727C; max-width: 58ch; }
.section h2 + .section-lede { margin-top: 12px; }

.cards {
  display: grid; gap: 18px; margin-top: 44px;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px 26px 30px; transition: border-color .18s ease, box-shadow .18s ease,
  transform .18s ease;
}
.card:hover {
  border-color: #BFE3DF; box-shadow: 0 10px 30px -18px rgba(10,31,43,.35);
  transform: translateY(-2px);
}
.card-ic {
  display: inline-flex; align-items: center; justify-content: center;
  width: 46px; height: 46px; border-radius: 12px; color: var(--teal);
  background: #E8F7F5; margin-bottom: 18px;
}
.card h3 { margin-bottom: 9px; }
.card p { font-size: 15.5px; color: #5A727C; }

.about-grid { display: grid; gap: 44px; grid-template-columns: 1.25fr .9fr; align-items: start; }
.body { margin-top: 18px; font-size: 17px; max-width: 62ch; }
.stats { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.stats li {
  background: #fff; border: 1px solid var(--line); border-left: 3px solid var(--teal);
  border-radius: 12px; padding: 18px 20px;
}
.stats strong { display: block; color: var(--ink); font-size: 19px; font-weight: 800; }
.stats span { display: block; font-size: 14.5px; color: #6A828C; margin-top: 4px; }

.steps {
  list-style: none; margin: 44px 0 0; padding: 0; display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.steps li { border-top: 2px solid var(--line); padding-top: 22px; }
.step-n {
  display: block; font-size: 12.5px; font-weight: 800; letter-spacing: .16em;
  color: var(--teal); margin-bottom: 10px;
}
.steps h3 { margin-bottom: 8px; }
.steps p { font-size: 15.5px; color: #5A727C; }

/* --------------------------------------------------------- contact */
.contact { background: var(--ink); color: #A9C4CE; }
.contact h2 { color: #fff; }
.contact-inner { display: grid; gap: 48px; grid-template-columns: 1.15fr .85fr; align-items: start; }
.contact .lede { margin-bottom: 32px; }
.contact-list { margin: 0; display: grid; gap: 2px; }
.contact-list > div {
  padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.10);
}
.contact-list > div:first-child { border-top: 1px solid rgba(255,255,255,.10); }
.contact-list dt {
  font-size: 11.5px; letter-spacing: .16em; text-transform: uppercase;
  color: #7FA0AC; font-weight: 700;
}
.contact-list dd { margin: 6px 0 0; color: #E4F1F5; font-size: 17px; font-weight: 600; }
.contact-list a { text-decoration: none; }
.contact-list a:hover { color: var(--cyan); }

/* ---------------------------------------------------------- footer */
.site-footer { background: #061821; color: #6E8C99; padding: 40px 0; font-size: 13.5px; }
.footer-inner { display: flex; flex-wrap: wrap; gap: 20px 40px; align-items: center;
                 justify-content: space-between; }
.footer-brand { display: flex; align-items: center; gap: 12px; color: #D3E4EA;
                 font-weight: 700; letter-spacing: .01em; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 6px 22px; justify-content: flex-end;
                 text-align: right; }
.footer-legal .muted { color: #4E6875; }

/* -------------------------------------------------------- responsive */
@media (max-width: 900px) {
  .about-grid, .contact-inner { grid-template-columns: 1fr; }
  .nav { display: none; }
  .header-inner { height: 64px; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-legal { justify-content: flex-start; text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}
:focus-visible { outline: 2px solid var(--cyan); outline-offset: 3px; border-radius: 4px; }