/* Slotify – Marka renkleri (uygulama ile uyumlu) */
:root {
  --primary: #34D399;
  --primary-dark: #10B981;
  --primary-light: #6EE7B7;
  --surface: #F8F7F4;
  --surface-variant: #F0EFEA;
  --surface-container: #FFFFFF;
  --text-primary: #1F2937;
  --text-secondary: #6B7280;
  --text-tertiary: #9CA3AF;
  --border: #E5E7EB;
  --font: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 720px;
  --header-height: 64px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --radius: 12px;
  --shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--surface);
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background: var(--surface-container);
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary-dark);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--primary);
}

.nav {
  display: flex;
  gap: var(--space-md);
}

.nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav a:hover {
  color: var(--primary-dark);
}

.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border: none;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%236B7280'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M4 6h16M4 12h16M4 18h16'/%3E%3C/svg%3E") center/24px no-repeat;
  cursor: pointer;
  border-radius: var(--radius);
}

@media (max-width: 640px) {
  .nav {
    display: none;
  }
  .nav-toggle {
    display: block;
  }
  .nav.is-open {
    display: flex;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: var(--space-md);
    background: var(--surface-container);
    border-bottom: 1px solid var(--border);
  }
  .nav.is-open a {
    padding: var(--space-sm);
  }
}

/* Hero */
.hero {
  padding: var(--space-xl) 0;
  min-height: 60vh;
  display: flex;
  align-items: center;
}

.hero-inner {
  text-align: center;
}

.hero-title {
  margin: 0 0 var(--space-md);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.03em;
}

.hero-lead {
  margin: 0 0 var(--space-lg);
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-secondary {
  background: var(--surface-container);
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary-dark);
}

.btn-large {
  padding: 1rem 1.75rem;
  font-size: 1.05rem;
}

/* Sections */
.section {
  padding: var(--space-xl) 0;
}

.section-alt {
  background: var(--surface-variant);
}

.section-title {
  margin: 0 0 var(--space-xs);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.section-lead {
  margin: 0 0 var(--space-lg);
  color: var(--text-secondary);
  font-size: 1.05rem;
}

/* Feature list */
.feature-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.feature-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.4em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary);
}

.feature-list li strong {
  color: var(--text-primary);
}

/* Steps (Nasıl çalışır?) */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.step {
  text-align: center;
  padding: var(--space-md);
  background: var(--surface-container);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: var(--space-sm);
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  background: var(--primary);
  border-radius: 50%;
}

.step p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.step p strong {
  color: var(--text-primary);
}

/* CTA section */
.cta-section {
  text-align: center;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.contact-note {
  margin: 0;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.contact-note a {
  color: var(--primary-dark);
  text-decoration: none;
  font-weight: 500;
}

.contact-note a:hover {
  text-decoration: underline;
}

/* Footer */
.footer {
  padding: var(--space-xl) 0 var(--space-lg);
  background: var(--text-primary);
  color: var(--text-tertiary);
  text-align: center;
}

.footer-inner {
  max-width: var(--max-width);
}

.footer-brand {
  margin: 0 0 var(--space-xs);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary-light);
}

.footer-tagline {
  margin: 0 0 var(--space-md);
  font-size: 0.9rem;
}

.footer-legal {
  margin: 0 0 var(--space-sm);
  font-size: 0.85rem;
}

.footer-legal a {
  color: var(--text-tertiary);
  text-decoration: none;
}

.footer-legal a:hover {
  color: var(--primary-light);
}

.footer-copy {
  margin: 0;
  font-size: 0.8rem;
  opacity: 0.8;
}