/* Meka Mobile. Tek tema ailesi (açık ve koyu), tek vurgu rengi.
   Köşe kuralı: düğme ve etiketler hap, görseller 26px, form alanları 14px. */

@font-face {
  font-family: "Geist";
  src: url("/fonts/geist-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  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";
  src: url("/fonts/geist-latin-ext.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  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";
  src: url("/fonts/geist-mono-latin.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  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";
  src: url("/fonts/geist-mono-latin-ext.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  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;
}

:root {
  --bg: #f2f3f1;
  --band: #e8e9e6;
  --surface: #ffffff;
  --text: #121314;
  --muted: #5c6064;
  --line: #d8d9d5;
  --accent: #ff4f1a;
  --on-accent: #121314;
  --shadow: 0 28px 60px -28px rgb(20 22 24 / 0.38);
  --radius-media: 26px;
  --mono: "Geist Mono", ui-monospace, "SF Mono", monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1011;
    --band: #16181a;
    --surface: #1c1f21;
    --text: #edede9;
    --muted: #9b9fa3;
    --line: #2a2d30;
    --accent: #ff6a3d;
    --on-accent: #0f1011;
    --shadow: 0 28px 60px -28px rgb(0 0 0 / 0.75);
    color-scheme: dark;
  }
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Dil: yalnız seçili dilin metni ve görseli görünür. */
[data-lang="en"] [lang="tr"],
[data-lang="tr"] [lang="en"] { display: none !important; }

a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { margin: 0; font-weight: 650; }
p { margin: 0; }

.wrap {
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
  padding-inline: 32px;
}

/* Gezinme */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--line) 80%, transparent);
}
.nav-inner { display: flex; align-items: center; gap: 40px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 680; font-size: 17px; letter-spacing: -0.02em; text-decoration: none; }
.brand-mark { border-radius: 7px; }
.nav-links { display: flex; gap: 28px; margin-left: auto; font-size: 15px; }
.nav-links a { color: var(--muted); text-decoration: none; transition: color 0.2s ease; }
.nav-links a:hover { color: var(--text); }
.lang-toggle {
  font: 600 13px/1 var(--mono);
  letter-spacing: 0.04em;
  color: var(--text);
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.15s ease;
}
.lang-toggle:hover { border-color: var(--muted); }
.lang-toggle:active { transform: scale(0.96); }

/* Düğmeler */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  padding: 0 26px;
  border-radius: 999px;
  border: 0;
  font: inherit;
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.2s ease, border-color 0.2s ease;
}
.button:active { transform: translateY(1px) scale(0.99); }
.button-primary { background: var(--accent); color: var(--on-accent); }
.button-primary:hover { background: color-mix(in srgb, var(--accent) 86%, var(--text)); }
.button-quiet { border: 1px solid var(--line); color: var(--text); background: transparent; }
.button-quiet:hover { border-color: var(--muted); }

/* Giriş */
.hero { padding-top: 88px; overflow: hidden; }
.hero-copy {
  display: grid;
  grid-template-columns: minmax(0, 1.7fr) minmax(0, 1fr);
  align-items: end;
  gap: 56px;
}
.hero h1 {
  font-size: clamp(2.9rem, 6.2vw, 5.9rem);
  line-height: 1.0;
  letter-spacing: -0.05em;
  font-weight: 700;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero-side { padding-bottom: 10px; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 34ch; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

/* Ürün rafı: Vowella ekranları kayar; azaltılmış harekette elle kaydırılır. */
.shelf {
  margin-top: 72px;
  padding-block: 8px 72px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent);
}
.shelf-track { display: flex; gap: 22px; width: max-content; }
.shelf-track img {
  width: clamp(168px, 15vw, 228px);
  border-radius: var(--radius-media);
  box-shadow: var(--shadow);
  background: var(--band);
}
.shelf-track img:nth-child(even) { transform: translateY(36px); }
@media (prefers-reduced-motion: no-preference) {
  .shelf-track { animation: shelf 70s linear infinite; }
  .shelf:hover .shelf-track { animation-play-state: paused; }
  @keyframes shelf { to { transform: translateX(calc(-50% - 11px)); } }
}
@media (prefers-reduced-motion: reduce) {
  .shelf { overflow-x: auto; scroll-snap-type: x mandatory; -webkit-mask-image: none; mask-image: none; padding-inline: 32px; }
  .shelf-track img { scroll-snap-align: start; }
  .shelf-track img[aria-hidden="true"] { display: none; }
}

/* Uygulamalar */
.section-title { font-size: clamp(1.9rem, 3.2vw, 2.6rem); letter-spacing: -0.035em; line-height: 1.1; }
.apps { padding-block: 112px 120px; }
.app {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  gap: 64px;
  align-items: center;
  margin-top: 48px;
}
.app-head { display: flex; align-items: center; gap: 20px; }
.app-icon { width: 92px; height: 92px; border-radius: 22px; box-shadow: var(--shadow); }
.app h3 { font-size: clamp(2.2rem, 4vw, 3.2rem); letter-spacing: -0.04em; line-height: 1.05; }
.app-kind { margin-top: 6px; font: 500 14px/1.4 var(--mono); color: var(--muted); }
.app-text { margin-top: 28px; max-width: 52ch; font-size: 1.12rem; color: var(--muted); }
.facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 32px;
  margin: 36px 0 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
  max-width: 560px;
}
.facts dt { font: 500 13px/1.4 var(--mono); color: var(--muted); }
.facts dd { margin: 4px 0 0; font-weight: 600; font-size: 1.05rem; }
.status { margin-top: 32px; font-weight: 600; }
.app-links { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 0; padding: 0; list-style: none; }
.app-links a {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-decoration: none;
  font-size: 15px;
  font-weight: 550;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.app-links a:hover { border-color: var(--accent); color: var(--accent); }

.app-media { position: relative; height: 640px; }
.app-shot {
  position: absolute;
  width: 286px;
  border-radius: var(--radius-media);
  box-shadow: var(--shadow);
  background: var(--band);
}
.app-shot-a { left: 4%; top: 0; transform: rotate(-4deg); }
.app-shot-b { right: 4%; top: 64px; transform: rotate(3deg); }

/* Stüdyo */
.studio { background: var(--band); padding-block: 120px; }
.statement {
  font-size: clamp(2.3rem, 4.8vw, 4.3rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
  font-weight: 680;
  max-width: 17ch;
}
.capabilities { margin-top: 72px; }
.capability {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.5fr) minmax(0, 0.9fr);
  gap: 32px;
  align-items: baseline;
  padding-block: 32px;
  border-top: 1px solid var(--line);
}
.capability h3 { font-size: 1.5rem; letter-spacing: -0.025em; line-height: 1.2; }
.capability p { color: var(--muted); font-size: 1.05rem; max-width: 50ch; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; justify-content: flex-end; }
.tags li {
  font: 500 12.5px/1 var(--mono);
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--text);
}

/* Süreç */
.process { padding-block: 120px; }
.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  margin: 48px 0 0;
  padding: 0;
  list-style: none;
}
.steps li { padding-top: 24px; border-top: 2px solid var(--line); }
.steps li:first-child { border-top-color: var(--accent); }
.steps h3 { font-size: 1.6rem; letter-spacing: -0.03em; }
.steps p { margin-top: 12px; color: var(--muted); }

/* İletişim */
.contact { padding-block: 40px 120px; }
.contact-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 64px;
  align-items: start;
}
.contact h2 { font-size: clamp(2.2rem, 4.4vw, 3.8rem); letter-spacing: -0.045em; line-height: 1.05; max-width: 15ch; }
.contact-mail {
  display: inline-block;
  margin-top: 32px;
  font-size: clamp(1.5rem, 3.2vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  color: var(--accent);
  text-decoration: none;
  overflow-wrap: anywhere;
}
.contact-mail:hover { text-decoration: underline; text-underline-offset: 6px; text-decoration-thickness: 2px; }
.contact-facts { display: grid; gap: 18px; margin: 40px 0 0; }
.contact-facts dt { font: 500 13px/1.4 var(--mono); color: var(--muted); }
.contact-facts dd { margin: 3px 0 0; font-weight: 550; }
.contact-facts a { text-decoration: none; }
.contact-facts a:hover { text-decoration: underline; }

.contact-form {
  display: grid;
  gap: 18px;
  padding: 32px;
  border-radius: var(--radius-media);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.contact-form label { display: grid; gap: 8px; }
.label { font-size: 14px; font-weight: 600; }
.contact-form input,
.contact-form textarea {
  width: 100%;
  font: inherit;
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 13px 14px;
  transition: border-color 0.2s ease;
}
.contact-form textarea { resize: vertical; min-height: 128px; }
.contact-form input:focus,
.contact-form textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: transparent; }
.contact-form .button { justify-self: start; }
.form-note { font-size: 14px; color: var(--muted); }

/* Alt bilgi */
.footer { border-top: 1px solid var(--line); }
.footer-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px 48px;
  padding-block: 40px 48px;
}
.footer-brand p { margin-top: 10px; color: var(--muted); font-size: 15px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 28px; margin: 0; padding: 0; list-style: none; font-size: 15px; }
.footer-links a { text-decoration: none; color: var(--muted); }
.footer-links a:hover { color: var(--text); }
.footer-small { grid-column: 1 / -1; font-size: 13px; color: var(--muted); }

a:focus-visible,
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

/* Tablet */
@media (max-width: 1020px) {
  .hero-copy { grid-template-columns: 1fr; gap: 28px; }
  .app { grid-template-columns: 1fr; gap: 48px; }
  .app-media { height: 560px; max-width: 620px; }
  .capability { grid-template-columns: 1fr 1.6fr; }
  .tags { grid-column: 2; justify-content: flex-start; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 40px 28px; }
  .contact-inner { grid-template-columns: 1fr; gap: 48px; }
}

/* Telefon */
@media (max-width: 720px) {
  .wrap { padding-inline: 16px; }
  .nav-inner { gap: 16px; }
  .nav-links { display: none; }
  .lang-toggle { margin-left: auto; }
  .hero { padding-top: 48px; }
  .hero h1 { font-size: 2.55rem; letter-spacing: -0.045em; }
  .shelf { margin-top: 44px; padding-bottom: 56px; }
  .shelf-track { gap: 14px; }
  .shelf-track img { width: 150px; border-radius: 20px; }
  .shelf-track img:nth-child(even) { transform: translateY(24px); }
  .apps, .studio, .process { padding-block: 72px; }
  .app { margin-top: 32px; }
  .app-icon { width: 72px; height: 72px; border-radius: 18px; }
  .facts { grid-template-columns: 1fr 1fr; gap: 18px 20px; }
  .app-media { height: 440px; }
  .app-shot { width: 196px; border-radius: 20px; }
  .app-shot-a { left: 0; }
  .app-shot-b { right: 0; top: 48px; }
  .capabilities { margin-top: 44px; }
  .capability { grid-template-columns: 1fr; gap: 12px; padding-block: 24px; }
  .tags { grid-column: auto; }
  .steps { grid-template-columns: 1fr; gap: 28px; }
  .contact { padding-block: 24px 72px; }
  .contact-form { padding: 22px; }
  .footer-inner { grid-template-columns: 1fr; }
}