:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-soft: #f8fbff;
  --text: #0f1d2e;
  --muted: #526079;
  --line: #d8e3f2;
  --brand: #0f6fff;
  --brand-strong: #0b4fb4;
  --brand-soft: #e8f1ff;
  --ink-blue: #17355a;
  --focus: #ff8a00;
  --radius: 16px;
  --shadow: 0 10px 28px rgba(14, 31, 53, 0.08);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Aptos", "Segoe UI", "Helvetica Neue", Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 420px at 10% -8%, #d9e9ff 0%, rgba(217, 233, 255, 0) 65%),
    radial-gradient(800px 360px at 90% 4%, #e8f3ff 0%, rgba(232, 243, 255, 0) 60%),
    linear-gradient(180deg, #f7faff 0%, #f4f7fb 52%, #f8fbff 100%);
  line-height: 1.5;
}

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

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(247, 250, 255, 0.88);
  border-bottom: 1px solid var(--line);
  z-index: 10;
}

.header-inner,
.footer-inner,
.final-cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-inner {
  padding: 0.9rem 0;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.1px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.lang-label {
  font-size: 0.9rem;
  color: var(--muted);
}

.lang-select {
  border: 1px solid var(--line);
  background: #fbfdff;
  color: var(--text);
  border-radius: 10px;
  padding: 0.45rem 0.65rem;
  font-weight: 600;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 0.76rem 1.04rem;
  font-weight: 700;
  border: 1px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand) 0%, #2b84ff 100%);
  color: #fff;
  box-shadow: 0 10px 20px rgba(15, 111, 255, 0.24);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--brand-strong) 0%, #2a76dd 100%);
}

.btn-secondary {
  background: #fff;
  border-color: var(--line);
}

.btn-secondary:hover {
  box-shadow: var(--shadow);
}

.hero {
  padding: 4.4rem 0 2.6rem;
}

/* BYMSA Patch: Hero bolumunu daha modern ve premium gorunume tasiyor */
.hero-panel {
  position: relative;
  background: linear-gradient(145deg, #ffffff 0%, #f6faff 100%);
  border: 1px solid #d8e6fb;
  border-radius: 22px;
  padding: clamp(1.2rem, 3vw, 2rem);
  box-shadow: 0 18px 40px rgba(15, 43, 79, 0.1);
  overflow: hidden;
}

.hero-panel::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -90px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(15, 111, 255, 0.22) 0%, rgba(15, 111, 255, 0) 70%);
  pointer-events: none;
}

.eyebrow {
  margin: 0;
  color: var(--ink-blue);
  font-weight: 700;
}

h1 {
  margin: 0.7rem 0 0.8rem;
  font-size: clamp(1.8rem, 5vw, 3rem);
  line-height: 1.15;
  max-width: 16ch;
}

.hero-sub {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
}

.hero-ctas {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.hero-points {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.hero-points li {
  background: var(--brand-soft);
  border: 1px solid #cfe0fb;
  color: #22476e;
  border-radius: 999px;
  padding: 0.3rem 0.68rem;
  font-size: 0.84rem;
  font-weight: 600;
}

section {
  padding: 1.9rem 0;
}

h2 {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: clamp(1.3rem, 3vw, 2rem);
}

.grid {
  display: grid;
  gap: 1rem;
}

.benefits-grid,
.pricing-grid {
  grid-template-columns: 1fr;
}

.card {
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: var(--shadow);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.4rem;
}

.card p {
  margin: 0;
  color: var(--muted);
}

.pricing-card {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.pricing-card ul {
  margin: 0;
  padding-left: 1rem;
  color: var(--muted);
  display: grid;
  gap: 0.35rem;
}

/* BYMSA Patch: Pro plan conversion odagini guclendiriyor */
.featured {
  border-color: #9ec3ff;
  background: linear-gradient(180deg, #ffffff 0%, #f2f8ff 100%);
  box-shadow: 0 14px 32px rgba(15, 111, 255, 0.2);
  transform: translateY(-4px);
}

.badge {
  margin: 0;
  display: inline-block;
  width: fit-content;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: #dceaff;
  color: var(--brand-strong);
  font-size: 0.8rem;
  font-weight: 700;
}

.final-cta {
  margin: 1.2rem 0 0;
}

.final-cta-inner {
  background: linear-gradient(125deg, #102339 0%, #19426b 100%);
  color: #f4f9ff;
  border-radius: var(--radius);
  padding: 1.2rem;
  box-shadow: 0 16px 34px rgba(11, 29, 48, 0.25);
}

.site-footer {
  border-top: 1px solid var(--line);
  margin-top: 2rem;
}

.footer-inner {
  padding: 1rem 0 1.2rem;
  color: var(--muted);
  font-size: 0.92rem;
  flex-wrap: wrap;
}

.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

@media (min-width: 700px) {
  .benefits-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .pricing-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: stretch;
  }

  .final-cta-inner {
    padding: 1.35rem 1.5rem;
  }

  .hero-panel {
    padding: 2rem;
  }
}

@media (max-width: 640px) {
  .header-inner,
  .final-cta-inner,
  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .header-actions {
    width: 100%;
    justify-content: space-between;
    flex-wrap: wrap;
  }
}