/* ============================================================
   açığız — Landing Site Shared Styles
   Colors: #000000, #FFFFFF, #00D4AA (accent), #F5F5F5, #757575
   ============================================================ */

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

:root {
  --black:       #000000;
  --white:       #FFFFFF;
  --accent:      #00D4AA;
  --accent-dark: #00B894;
  --light-grey:  #F5F5F5;
  --medium-grey: #E0E0E0;
  --dark-grey:   #757575;
  --text:        #1A1A1A;

  --font: -apple-system, "SF Pro Display", "Segoe UI", system-ui, sans-serif;
  --radius: 12px;
  --transition: 0.2s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--white);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ── Navbar ─────────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--medium-grey);
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-logo img {
  height: 40px;
  display: block;
}

.lang-toggle {
  display: flex;
  gap: 2px;
  background: var(--light-grey);
  border-radius: 8px;
  padding: 3px;
}

.lang-btn {
  border: none;
  background: transparent;
  padding: 5px 14px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  color: var(--dark-grey);
  transition: background var(--transition), color var(--transition);
}

.lang-btn.active {
  background: var(--white);
  color: var(--black);
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}

/* ── Hero ────────────────────────────────────────────────── */
.hero {
  padding: 100px 24px 80px;
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-block;
  background: var(--light-grey);
  color: var(--dark-grey);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 100px;
  margin-bottom: 28px;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.25rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--black);
  margin-bottom: 20px;
}

.hero h1 span {
  color: var(--accent);
}

.hero p {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--dark-grey);
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.btn-primary {
  display: inline-block;
  background: var(--black);
  color: var(--white);
  padding: 16px 36px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: background var(--transition), transform var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: #222;
  transform: translateY(-1px);
}

/* ── Features ────────────────────────────────────────────── */
.features {
  background: var(--light-grey);
  padding: 80px 24px;
}

.section-label {
  text-align: center;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}

.section-title {
  text-align: center;
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--black);
  margin-bottom: 56px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  max-width: 1040px;
  margin: 0 auto;
}

.feature-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--medium-grey);
  transition: transform var(--transition), box-shadow var(--transition);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.07);
}

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--black);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon svg {
  width: 22px;
  height: 22px;
  fill: none;
  stroke: var(--white);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h3 {
  font-size: 16px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 14px;
  color: var(--dark-grey);
  line-height: 1.65;
}

/* ── About ───────────────────────────────────────────────── */
.about {
  padding: 80px 24px;
  max-width: 680px;
  margin: 0 auto;
  text-align: center;
}

.about h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--black);
  margin-bottom: 20px;
}

.about p {
  font-size: 16px;
  color: var(--dark-grey);
  line-height: 1.75;
}

/* ── Footer ──────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--medium-grey);
  padding: 36px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  max-width: 1040px;
  margin: 0 auto;
}

.footer-left {
  font-size: 13px;
  color: var(--dark-grey);
}

.footer-left strong {
  color: var(--black);
  font-weight: 600;
}

.footer-right {
  display: flex;
  gap: 24px;
  font-size: 13px;
}

.footer-right a {
  color: var(--dark-grey);
  transition: color var(--transition);
}

.footer-right a:hover {
  color: var(--black);
}

/* ── Legal Pages (privacy / terms) ──────────────────────── */
.legal-page {
  max-width: 740px;
  margin: 0 auto;
  padding: 60px 24px 80px;
}

.legal-page h1 {
  font-size: clamp(1.6rem, 3.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--black);
  margin-bottom: 8px;
}

.legal-meta {
  font-size: 13px;
  color: var(--dark-grey);
  margin-bottom: 40px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--medium-grey);
}

.legal-page h2 {
  font-size: 17px;
  font-weight: 600;
  color: var(--black);
  margin: 32px 0 12px;
}

.legal-page p,
.legal-page li {
  font-size: 15px;
  color: #333;
  line-height: 1.75;
  margin-bottom: 12px;
}

.legal-page ul {
  padding-left: 20px;
}

.legal-page ul li {
  margin-bottom: 6px;
}

.legal-page a {
  color: var(--accent-dark);
  text-decoration: underline;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .hero {
    padding: 72px 20px 60px;
  }

  .features,
  .about {
    padding: 60px 20px;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }
}