/* Kalk, Geldik! — web sitesi */
:root {
  --bg: #F6F7F9;
  --surface: #FFFFFF;
  --surface-alt: #EEF0F3;
  --text: #0E1116;
  --muted: #5B6474;
  --border: #E3E6EA;
  --primary: #FF5A36;
  --primary-dark: #E8431F;
  --primary-soft: rgba(255, 90, 54, .12);
  --grad: linear-gradient(145deg, #FF8A5C 0%, #FF5A36 55%, #E8431F 100%);
  --shadow: 0 24px 60px rgba(14, 17, 22, .14);
  --radius: 24px;
  --max: 1120px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0E1116;
    --surface: #171B22;
    --surface-alt: #20252E;
    --text: #F2F4F7;
    --muted: #98A2B3;
    --border: #2A303A;
    --primary: #FF6B4A;
    --primary-soft: rgba(255, 107, 74, .16);
    --shadow: 0 24px 60px rgba(0, 0, 0, .45);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img, video { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.02em; margin: 0 0 .5em; }
h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; letter-spacing: -.035em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.accent { color: var(--primary); }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; z-index: 100; background: var(--surface); padding: 8px 12px; border-radius: 8px; }

/* ---------- header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(1.6) blur(14px);
  -webkit-backdrop-filter: saturate(1.6) blur(14px);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; color: var(--text); letter-spacing: -.02em; }
.brand:hover { text-decoration: none; }
.brand img { width: 34px; height: 34px; border-radius: 9px; }
.nav { display: flex; align-items: center; gap: 22px; font-weight: 600; font-size: .95rem; }
.nav a { color: var(--muted); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); text-decoration: none; }
.nav .btn { color: #fff; }
.menu-btn { display: none; background: none; border: 0; color: var(--text); padding: 8px; cursor: pointer; }
@media (max-width: 760px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
         background: var(--surface); border-bottom: 1px solid var(--border); padding: 8px 20px 16px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; border-bottom: 1px solid var(--border); }
  .nav .btn { margin-top: 12px; justify-content: center; border: 0; }
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  height: 52px; padding: 0 24px; border-radius: 16px; font-weight: 700; font-size: 1rem;
  background: var(--primary); color: #fff; border: 0; cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease;
  box-shadow: 0 10px 24px rgba(255, 90, 54, .32);
}
.btn:hover { text-decoration: none; transform: translateY(-1px); box-shadow: 0 14px 28px rgba(255, 90, 54, .4); }
.btn.small { height: 40px; padding: 0 16px; border-radius: 12px; font-size: .92rem; box-shadow: none; }
.btn.ghost { background: var(--surface); color: var(--text); box-shadow: inset 0 0 0 1px var(--border); }
.btn.dark { background: #0E1116; color: #fff; box-shadow: 0 10px 24px rgba(0,0,0,.25); }
@media (prefers-color-scheme: dark) { .btn.dark { background: #fff; color: #0E1116; } }
.store-btn { height: 58px; padding: 0 22px; border-radius: 16px; }
.store-btn svg { width: 26px; height: 26px; }
.store-btn .lines { display: flex; flex-direction: column; line-height: 1.1; text-align: left; }
.store-btn .lines small { font-size: .72rem; font-weight: 600; opacity: .8; }
.store-btn .lines span { font-size: 1.12rem; }

/* ---------- hero ---------- */
.hero { position: relative; overflow: hidden; padding: 72px 0 40px; }
.hero::before {
  content: ""; position: absolute; inset: -30% -10% auto 35%; height: 900px;
  background: radial-gradient(closest-side, rgba(255, 106, 70, .28), transparent 70%);
  pointer-events: none;
}
.hero .wrap { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 40px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: .85rem; color: var(--primary);
           background: var(--primary-soft); padding: 6px 12px; border-radius: 999px; margin-bottom: 18px; }
.hero p.lead { font-size: 1.2rem; color: var(--muted); max-width: 520px; margin-bottom: 28px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero .note { margin-top: 18px; font-size: .9rem; color: var(--muted); display: flex; gap: 18px; flex-wrap: wrap; }
.hero .note span { display: inline-flex; align-items: center; gap: 6px; }
.hero .note svg { width: 16px; height: 16px; color: var(--primary); }
.hero-phones { position: relative; height: 620px; }
.hero-phones .phone { position: absolute; }
.hero-phones .p1 { left: 4%; top: 40px; transform: rotate(-6deg); width: 260px; }
.hero-phones .p2 { right: 4%; top: 0; transform: rotate(5deg); width: 280px; z-index: 2; }
@media (max-width: 900px) {
  .hero { padding-top: 40px; }
  .hero .wrap { grid-template-columns: 1fr; text-align: center; }
  .hero p.lead { margin-left: auto; margin-right: auto; }
  .cta-row, .hero .note { justify-content: center; }
  .hero-phones { height: 470px; max-width: 440px; margin: 0 auto; width: 100%; }
  .hero-phones .p1 { width: 200px; left: 2%; }
  .hero-phones .p2 { width: 215px; right: 2%; }
}
@media (max-width: 480px) {
  .hero-phones { height: 400px; }
  .hero-phones .p1 { width: 165px; left: 6%; top: 34px; }
  .hero-phones .p2 { width: 180px; right: 6%; }
}

/* ---------- phone frame ---------- */
.phone {
  aspect-ratio: 393 / 852; width: 270px; padding: 10px; border-radius: 52px;
  background: #0B0D11; box-shadow: var(--shadow), inset 0 0 0 2px #2A303A;
}
.phone img { width: 100%; height: 100%; object-fit: cover; border-radius: 42px; }

/* ---------- sections ---------- */
section { padding: 88px 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head p { color: var(--muted); font-size: 1.1rem; }
.alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step { text-align: center; }
.step .phone { width: 230px; margin: 0 auto 22px; }
.step .num { display: inline-flex; width: 32px; height: 32px; border-radius: 16px; background: var(--grad); color: #fff;
             font-weight: 800; align-items: center; justify-content: center; margin-bottom: 10px; }
.step p { color: var(--muted); max-width: 300px; margin: 0 auto; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr; gap: 56px; } }

.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.feature { background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.alt .feature { background: var(--bg); }
.feature .ic { width: 46px; height: 46px; border-radius: 14px; background: var(--primary-soft); color: var(--primary);
               display: flex; align-items: center; justify-content: center; margin-bottom: 14px; }
.feature .ic svg { width: 26px; height: 26px; }
.feature p { color: var(--muted); margin: 0; font-size: .97rem; }
@media (max-width: 900px) { .features { grid-template-columns: 1fr 1fr; } }
@media (max-width: 560px) { .features { grid-template-columns: 1fr; } }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.split .phones { display: flex; gap: 22px; justify-content: center; }
.split .phones .phone { width: 230px; }
.split .phones .phone:nth-child(2) { margin-top: 60px; }
.checks { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 14px; }
.checks li { display: flex; gap: 12px; align-items: flex-start; }
.checks li svg { flex: none; width: 22px; height: 22px; color: var(--primary); margin-top: 2px; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse .text { order: -1; }
  .split .phones .phone { width: 46%; max-width: 230px; }
}

.video-box { display: flex; justify-content: center; }
.video-box video { width: 340px; max-width: 100%; border-radius: 28px; box-shadow: var(--shadow); background: #000; aspect-ratio: 9 / 16; }

.privacy-band { background: var(--grad); color: #fff; border-radius: 32px; padding: 56px; display: grid; grid-template-columns: auto 1fr; gap: 32px; align-items: center; }
.privacy-band svg { width: 88px; height: 88px; }
.privacy-band h2 { color: #fff; }
.privacy-band p { opacity: .94; font-size: 1.1rem; margin: 0 0 1em; }
.privacy-band a { color: #fff; font-weight: 700; text-decoration: underline; }
@media (max-width: 700px) { .privacy-band { grid-template-columns: 1fr; padding: 36px 24px; text-align: center; } .privacy-band svg { margin: 0 auto; } }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 0 22px; }
.alt .faq details { background: var(--bg); }
.faq summary { cursor: pointer; list-style: none; padding: 18px 0; font-weight: 700; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; line-height: 1; color: var(--primary); transition: transform .2s; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details > div { padding: 0 0 18px; color: var(--muted); }
.faq details > div p:last-child { margin: 0; }

.final-cta { text-align: center; }
.final-cta img { width: 96px; height: 96px; border-radius: 22px; margin: 0 auto 22px; box-shadow: 0 14px 34px rgba(255, 90, 54, .35); }

/* ---------- document pages ---------- */
.doc { max-width: 780px; margin: 0 auto; padding: 56px 20px 88px; }
.doc h1 { font-size: clamp(2rem, 5vw, 3rem); }
.doc h2 { font-size: 1.45rem; margin-top: 2em; }
.doc .updated { color: var(--muted); font-size: .95rem; }
.doc ul { padding-left: 1.2em; }
.doc li { margin-bottom: .4em; }
.lang-switch { display: inline-flex; background: var(--surface-alt); border-radius: 12px; padding: 4px; gap: 4px; margin: 8px 0 24px; }
.lang-switch a { padding: 6px 14px; border-radius: 9px; font-weight: 700; font-size: .9rem; color: var(--muted); }
.lang-switch a.on { background: var(--surface); color: var(--text); box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.lang-switch a:hover { text-decoration: none; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.contact-card { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; justify-content: space-between; margin: 24px 0 8px; }
.contact-card strong { display: block; font-size: 1.1rem; }

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--border); padding: 40px 0; color: var(--muted); font-size: .92rem; }
.site-footer .wrap { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; align-items: center; }
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }
.site-footer a { color: var(--muted); }

/* reveal animation */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .btn { transition: none; }
}
