/* Koç Rotam — marketing site. Plain CSS, no build step. Brand colours match the panel (teal). */

@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/inter-latin-ext.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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("/fonts/inter-latin.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 {
  color-scheme: light;
  --brand-50: #f0fdfa;
  --brand-100: #ccfbf1;
  --brand-200: #99f6e4;
  --brand-600: #0d9488;
  --brand-700: #0f766e;
  --brand-800: #115e59;
  --brand-900: #134e4a;
  --ink: #0f172a;
  --ink-2: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --surface: #ffffff;
  --surface-2: #f8fafc;
  --radius: 20px;
  --shadow: 0 1px 2px rgb(15 23 42 / 0.04), 0 8px 24px rgb(15 23 42 / 0.06);
  --max: 1120px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-2);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand-700); }
h1, h2, h3 { color: var(--ink); line-height: 1.2; letter-spacing: -0.02em; margin: 0; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--brand-600); outline-offset: 3px; border-radius: 8px; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.skip { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 10px; z-index: 100; }
.skip:focus { left: 12px; }

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  height: 48px; padding: 0 22px; border-radius: 14px;
  font: inherit; font-size: 16px; font-weight: 600; text-decoration: none; white-space: nowrap;
  transition: background-color .15s, box-shadow .15s, color .15s;
}
.btn-primary { background: var(--brand-700); color: #fff; box-shadow: 0 6px 16px rgb(15 118 110 / 0.25); }
.btn-primary:hover { background: var(--brand-800); }
.btn-ghost { color: var(--ink); background: transparent; box-shadow: inset 0 0 0 1px var(--line); }
.btn-ghost:hover { background: var(--surface-2); }
.btn-sm { height: 40px; padding: 0 16px; font-size: 15px; border-radius: 12px; }
.btn-light { background: #fff; color: var(--brand-800); }
.btn-light:hover { background: var(--brand-50); }
.btn-outline-light { color: #fff; box-shadow: inset 0 0 0 1px rgb(255 255 255 / 0.45); }
.btn-outline-light:hover { background: rgb(255 255 255 / 0.08); }

/* ── Header ──────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgb(255 255 255 / 0.88); backdrop-filter: saturate(180%) blur(12px); -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid rgb(226 232 240 / 0.8);
}
.site-header .container { display: flex; align-items: center; height: 68px; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.brand svg { width: 34px; height: 34px; }
.nav { display: none; gap: 26px; }
.nav a { color: var(--ink-2); text-decoration: none; font-size: 15px; font-weight: 500; }
.nav a:hover { color: var(--brand-700); }
.header-actions { margin-left: auto; display: flex; gap: 8px; align-items: center; }
.header-actions .login { display: none; }
@media (min-width: 900px) { .nav { display: flex; } }
@media (min-width: 560px) { .header-actions .login { display: inline-flex; } }

/* ── Hero ────────────────────────────────────────────────── */
.hero { position: relative; overflow: hidden; padding: 56px 0 72px; background: linear-gradient(180deg, var(--brand-50) 0%, #fff 72%); }
.hero-grid { display: grid; gap: 48px; align-items: center; }
.hero-grid > * { min-width: 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 12px; border-radius: 999px;
  background: #fff; color: var(--brand-800); font-size: 14px; font-weight: 600; box-shadow: inset 0 0 0 1px var(--brand-200);
}
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--brand-600); }
.hero h1 { margin-top: 20px; font-size: clamp(36px, 7vw, 58px); font-weight: 700; letter-spacing: -0.035em; }
.hero h1 .accent { color: var(--brand-700); }
.lead { margin-top: 20px; font-size: clamp(17px, 2.2vw, 20px); color: var(--ink-2); max-width: 34em; }
.hero-cta { margin-top: 30px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero-note { margin-top: 16px; display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 14px; color: var(--muted); list-style: none; padding: 0; }
.hero-note li { display: inline-flex; align-items: center; gap: 6px; }
.hero-note li::before { content: ""; width: 16px; height: 16px; background: no-repeat center/16px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230f766e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8.5l3 3 7-7'/%3E%3C/svg%3E"); }

.hero-visual { position: relative; display: flex; justify-content: center; min-height: 440px; }
.phone {
  position: relative; width: 250px; flex: none; margin: 0; border-radius: 38px; padding: 9px;
  background: #0f172a; box-shadow: 0 30px 60px -20px rgb(15 23 42 / 0.35), 0 0 0 1px rgb(15 23 42 / 0.08);
}
.phone img { border-radius: 30px; width: 100%; aspect-ratio: 600 / 1298; object-fit: cover; object-position: top; background: #f8fafc; }
.phone-label {
  position: absolute; left: 50%; bottom: -14px; transform: translateX(-50%);
  background: #fff; color: var(--ink); font-size: 13px; font-weight: 600; padding: 6px 12px; border-radius: 999px;
  box-shadow: var(--shadow); white-space: nowrap;
}
.hero-visual .phone.back { transform: translate(-95%, 44px) rotate(-5deg); position: absolute; left: 50%; }
.hero-visual .phone.front { transform: translate(25%, 0) rotate(3deg); }
@media (max-width: 559px) {
  .hero-visual { min-height: 0; }
  .hero-visual .phone.back { display: none; }
  .hero-visual .phone.front { transform: none; width: 240px; }
}
@media (min-width: 960px) {
  .hero { padding: 80px 0 96px; }
  .hero-grid { grid-template-columns: 1.05fr 1fr; gap: 40px; }
  .hero-visual { min-height: 560px; }
  .phone { width: 270px; }
}

/* ── Sections ────────────────────────────────────────────── */
section { padding: 80px 0; }
.alt { background: var(--surface-2); }
.section-head { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.kicker { color: var(--brand-700); font-weight: 600; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; }
.section-head h2 { margin-top: 10px; font-size: clamp(28px, 4.4vw, 40px); }
.section-head p { margin-top: 14px; color: var(--muted); font-size: 18px; }

/* Pain points */
.pains { display: grid; gap: 16px; }
.pain { background: #fff; border-radius: var(--radius); padding: 24px; box-shadow: inset 0 0 0 1px var(--line); }
.pain h3 { font-size: 18px; }
.pain p { margin-top: 8px; color: var(--muted); font-size: 16px; }
.pain .x { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 12px; background: #fff7ed; color: #c2410c; margin-bottom: 14px; }
.bridge { margin-top: 32px; text-align: center; font-size: 19px; color: var(--ink); font-weight: 600; }
.bridge span { color: var(--brand-700); }
@media (min-width: 800px) { .pains { grid-template-columns: repeat(3, 1fr); } }

/* Features */
.features { display: grid; gap: 16px; }
.feature { background: #fff; border-radius: var(--radius); padding: 28px; box-shadow: inset 0 0 0 1px var(--line); }
.feature .icon { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; background: var(--brand-50); color: var(--brand-700); box-shadow: inset 0 0 0 1px var(--brand-100); }
.feature .icon svg { width: 22px; height: 22px; }
.feature h3 { margin-top: 18px; font-size: 19px; }
.feature p { margin-top: 8px; color: var(--muted); font-size: 16px; }
.feature .note { margin-top: 10px; font-size: 13px; color: var(--muted); }
@media (min-width: 680px) { .features { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .features { grid-template-columns: repeat(3, 1fr); } }

/* Showcase rows */
.showcase { display: grid; gap: 40px; align-items: center; }
.showcase > * { min-width: 0; }
.showcase + .showcase { margin-top: 88px; }
.showcase h3 { font-size: clamp(24px, 3.4vw, 32px); }
.showcase .text p { margin-top: 14px; color: var(--ink-2); }
.checks { margin: 20px 0 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.checks li { position: relative; padding-left: 32px; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 22px; height: 22px; border-radius: 50%;
  background: var(--brand-50) no-repeat center/14px url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230f766e' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M3 8.5l3 3 7-7'/%3E%3C/svg%3E");
  box-shadow: inset 0 0 0 1px var(--brand-200);
}
.phones { display: flex; justify-content: center; align-items: flex-start; gap: 20px; }
.phones .phone { width: min(240px, calc(50% - 10px)); }
.phones .phone:nth-child(2) { margin-top: 48px; }
@media (max-width: 559px) { .phones { gap: 14px; } .phones .phone { padding: 6px; border-radius: 28px; } .phones .phone img { border-radius: 22px; } }
@media (min-width: 960px) {
  .showcase { grid-template-columns: 1fr 1fr; gap: 64px; }
  .showcase.reverse .text { order: 2; }
}

/* Audience */
.audience { display: grid; gap: 16px; }
.persona { border-radius: var(--radius); padding: 28px; background: #fff; box-shadow: inset 0 0 0 1px var(--line); }
.persona .tag { display: inline-block; font-size: 13px; font-weight: 600; color: var(--brand-800); background: var(--brand-50); padding: 4px 10px; border-radius: 999px; box-shadow: inset 0 0 0 1px var(--brand-100); }
.persona h3 { margin-top: 14px; font-size: 21px; }
.persona p { margin-top: 10px; color: var(--muted); font-size: 16px; }
@media (min-width: 860px) { .audience { grid-template-columns: repeat(3, 1fr); } }

/* Steps */
.steps { display: grid; gap: 16px; counter-reset: step; list-style: none; padding: 0; margin: 0; }
.step { position: relative; border-radius: var(--radius); padding: 28px; background: #fff; box-shadow: inset 0 0 0 1px var(--line); }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 40px; height: 40px; border-radius: 50%;
  background: var(--brand-700); color: #fff; font-weight: 700;
}
.step h3 { margin-top: 16px; font-size: 19px; }
.step p { margin-top: 8px; color: var(--muted); font-size: 16px; }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }

/* Mobile app + trust */
.split { display: grid; gap: 16px; }
.panel-card { border-radius: var(--radius); padding: 32px; background: #fff; box-shadow: inset 0 0 0 1px var(--line); }
.panel-card h3 { font-size: 22px; }
.panel-card p { margin-top: 10px; color: var(--muted); }
.panel-card .checks li { color: var(--ink-2); font-size: 16px; }
@media (min-width: 860px) { .split { grid-template-columns: 1fr 1fr; } }

/* FAQ */
.faq { max-width: 780px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: #fff; border-radius: 16px; box-shadow: inset 0 0 0 1px var(--line); }
.faq summary {
  cursor: pointer; list-style: none; padding: 20px 56px 20px 22px; position: relative;
  font-weight: 600; color: var(--ink); font-size: 17px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; position: absolute; right: 22px; top: 50%; width: 12px; height: 12px; margin-top: -8px;
  border-right: 2px solid var(--muted); border-bottom: 2px solid var(--muted); transform: rotate(45deg); transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(-135deg); margin-top: -2px; }
.faq details p { padding: 0 22px 20px; color: var(--ink-2); font-size: 16px; }

/* Final CTA */
.cta {
  border-radius: 28px; padding: 48px 28px; text-align: center; color: #e6fffb;
  background: radial-gradient(120% 140% at 0% 0%, #14b8a6 0%, var(--brand-700) 45%, var(--brand-900) 100%);
}
.cta h2 { color: #fff; font-size: clamp(28px, 4.4vw, 40px); }
.cta p { margin: 14px auto 0; max-width: 36em; font-size: 18px; color: #ccfbf1; }
.cta .hero-cta { justify-content: center; }
@media (min-width: 860px) { .cta { padding: 64px; } }

/* Footer */
.site-footer { padding: 48px 0 40px; border-top: 1px solid var(--line); font-size: 15px; color: var(--muted); }
.footer-grid { display: grid; gap: 28px; }
.footer-grid p { margin-top: 10px; max-width: 28em; }
.footer-links { display: grid; gap: 8px; list-style: none; margin: 0; padding: 0; }
.footer-links a { color: var(--ink-2); text-decoration: none; }
.footer-links a:hover { color: var(--brand-700); text-decoration: underline; }
.footer-title { font-weight: 600; color: var(--ink); margin-bottom: 10px; }
.copyright { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); font-size: 14px; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }

/* Final CTA section sits right after the FAQ */
.cta-section { padding-top: 0; }

/* 404 */
.notfound { min-height: 100dvh; display: grid; place-content: center; justify-items: center; text-align: center; gap: 16px; }
.notfound h1 { font-size: 32px; }
.muted { color: var(--muted); }
.notfound-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }