/* ============================================
   TWO SHARPS TEKNOLOJİ — Ortak Stil
   ============================================ */

:root {
  --blue-bright: #2f6bff;
  --blue-mid: #1c4ed8;
  --navy-deep: #0a0f1f;
  --navy-panel: #0e1426;
  --slate: #232a3b;
  --ink: #0b0e16;
  --paper: #f6f8fc;
  --paper-dim: #eef1f8;
  --line: rgba(10, 15, 31, 0.1);
  --line-dark: rgba(255, 255, 255, 0.12);
  --muted: #5b6478;
  --muted-dark: #9aa3bd;

  --font-display: "Space Grotesk", "Inter", sans-serif;
  --font-body: "Inter", sans-serif;

  --container: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--paper);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

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

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  margin: 0;
  letter-spacing: -0.01em;
  color: var(--navy-deep);
}

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

/* Skip link / accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--blue-bright);
  color: #fff;
  padding: 10px 16px;
  z-index: 999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus {
  left: 0;
}

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

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* ============== NAVBAR ============== */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(246, 248, 252, 0.86);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.nav .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--navy-deep);
}

.nav-brand img {
  height: 34px;
  width: auto;
}

.nav-brand .brand-sub {
  display: block;
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  color: var(--blue-mid);
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 40px;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--slate);
  position: relative;
  padding: 4px 0;
  transition: color 0.2s ease;
}

.nav-links a:hover { color: var(--blue-mid); }

.nav-links a.active { color: var(--blue-mid); }

.nav-links a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -4px;
  height: 2px;
  background: var(--blue-bright);
  border-radius: 2px;
}

.nav-cta {
  background: var(--navy-deep);
  color: #fff !important;
  padding: 11px 22px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover {
  background: var(--blue-mid);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--navy-deep);
  margin: 5px 0;
  transition: 0.25s ease;
}

@media (max-width: 880px) {
  .nav-links {
    position: fixed;
    top: 76px;
    left: 0; right: 0;
    background: var(--paper);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding: 8px 32px 24px;
    border-bottom: 1px solid var(--line);
    transform: translateY(-130%);
    transition: transform 0.3s ease;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--line); }
  .nav-links a.active::after { display: none; }
  .nav-cta { width: 100%; text-align: center; }
  .nav-toggle { display: block; }
}

/* ============== BUTTONS ============== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
  font-family: var(--font-body);
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue-bright), var(--blue-mid));
  color: #fff;
  box-shadow: 0 8px 24px -8px rgba(47, 107, 255, 0.55);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px -8px rgba(47, 107, 255, 0.65); }

.btn-ghost {
  background: transparent;
  color: var(--navy-deep);
  border: 1.5px solid var(--line);
}
.btn-ghost:hover { border-color: var(--blue-mid); color: var(--blue-mid); }

.btn-dark {
  background: var(--navy-deep);
  color: #fff;
}
.btn-dark:hover { background: var(--blue-mid); }

/* ============== ECYEBROW / LABEL ============== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue-mid);
  margin-bottom: 18px;
}
.eyebrow::before {
  content: "";
  width: 18px;
  height: 2px;
  background: var(--blue-bright);
  border-radius: 2px;
}

/* ============== SECTION ============== */
section { padding: 100px 0; }
@media (max-width: 720px) { section { padding: 64px 0; } }

.section-dark {
  background: var(--navy-deep);
  color: #fff;
}
.section-dark h2, .section-dark h3 { color: #fff; }
.section-dark p { color: var(--muted-dark); }

/* ============== FOOTER ============== */
.footer {
  background: var(--navy-deep);
  color: var(--muted-dark);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line-dark);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.footer-brand img { height: 28px; }
.footer-brand span {
  font-family: var(--font-display);
  font-weight: 600;
  color: #fff;
  font-size: 1rem;
}

.footer p { max-width: 320px; font-size: 0.92rem; }

.footer h4 {
  color: #fff;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer ul { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 12px; }
.footer ul a { font-size: 0.92rem; color: var(--muted-dark); transition: color 0.2s ease; }
.footer ul a:hover { color: var(--blue-bright); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 28px;
  font-size: 0.82rem;
  flex-wrap: wrap;
  gap: 12px;
}

@media (max-width: 880px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; }
}

/* ============== UTILITY ============== */
.grad-text {
  background: linear-gradient(120deg, var(--blue-bright), var(--blue-mid) 60%, #6fa0ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--paper-dim);
  border: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--slate);
}
