:root {
  --purple: #5b32fa;
  --black: #0d0d0f;
  --ink: #1c1c22;
  --muted: #6b6b76;
  --line: #e8e8ee;
  --bg: #ffffff;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 1.0625rem;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh; /* mobil tarayicilarda adres cubugu dahil dogru hesap */
}

a { color: var(--purple); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- hero (homepage) ---------- */
.hero {
  flex: 1;
  min-height: 0;
  background: var(--purple);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
}

.hero-logo {
  width: min(420px, 70vw);
  height: auto;
}

.hero-tagline {
  margin-top: 1.75rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  letter-spacing: 0.01em;
}

.hero-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  margin-top: 2.5rem;
}

.store-badge { display: inline-flex; transition: opacity 0.15s ease; }
.store-badge:hover { opacity: 0.85; }
.badge-apple, .badge-google { height: 54px; width: auto; }

/* LinkedIn: store rozetleriyle ayni geometride ozel rozet */
.li-badge {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  height: 54px;
  padding: 0 17px;
  background: #000000;
  border: 1px solid #a6a6a6;
  border-radius: 13px;
  color: #ffffff;
  transition: opacity 0.15s ease;
}
.li-badge:hover { opacity: 0.85; text-decoration: none; }
.li-badge svg { width: 28px; height: 28px; }
.li-text { display: flex; flex-direction: column; line-height: 1.15; text-align: left; }
.li-top { font-size: 11px; letter-spacing: 0.02em; }
.li-bottom { font-size: 21px; font-weight: 600; letter-spacing: -0.01em; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  height: 54px;
  padding: 0 1.5rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  transition: background 0.15s ease, color 0.15s ease;
}

.btn svg { width: 1.1em; height: 1.1em; }

.btn:hover {
  background: #ffffff;
  color: var(--purple);
  text-decoration: none;
}

/* ---------- header (content pages) ---------- */
.site-header {
  background: var(--purple);
  padding: 1.1rem clamp(1.25rem, 5vw, 3rem);
}

.site-header img { display: block; height: auto; }

/* ---------- content pages ---------- */
.content {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4rem) 1.5rem 4rem;
}

.content h1 {
  font-size: clamp(1.9rem, 4.5vw, 2.6rem);
  line-height: 1.2;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.content h2 {
  font-size: 1.45rem;
  margin: 2.25rem 0 0.75rem;
  letter-spacing: -0.01em;
}

.content h3 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.5rem;
}

.content h4 { font-size: 1rem; margin: 1.4rem 0 0.4rem; }
.content h5 { font-size: 0.95rem; margin: 1.2rem 0 0.3rem; }

.content p { margin: 0.75rem 0; }

.content ul, .content ol { margin: 0.75rem 0 0.75rem 1.4rem; }
.content li { margin: 0.45rem 0; }

.content h1 + p em,
.content h1 + p { color: var(--muted); }

/* ---------- footer ---------- */
footer {
  background: var(--black);
  color: #d6d6de;
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1.25rem, 5vw, 3rem);
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 2.5rem;
}

.footer-col h3 {
  color: #ffffff;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 1rem;
}

.footer-col p { margin: 0.5rem 0; font-size: 0.95rem; }

.footer-col a { color: #d6d6de; }
.footer-col a:hover { color: #ffffff; }

.footer-brand img { margin-bottom: 1rem; }
.footer-brand p { color: #9a9aa6; font-size: 0.95rem; max-width: 32ch; }

@media (max-width: 720px) {
  .footer-inner { grid-template-columns: 1fr; gap: 2rem; }
}