/* ═══════════════════════════════════════════
   VİZOVA — Global Design System v2
   Light, premium, professional theme
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@500;600;700;800&display=swap');

:root {
  --white: #FFFFFF;
  --off-white: #F7F8FA;
  --bg-subtle: #F0F2F5;
  --navy: #0D1828;
  --navy-mid: #1E2A3A;
  --gold: #B8963A;
  --gold-light: #D4AF55;
  --gold-bg: rgba(184,150,58,0.06);
  --gray-text: #5F6B7A;
  --gray-light: #E2E5EA;
  --gray-border: #D1D5DB;
  --green: #059669;
  --red: #DC2626;
  --blue: #2563EB;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-hover: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.08);
  --font-display: 'Outfit', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-fast: 150ms ease;
  --transition-med: 300ms ease;
  --max-width: 1080px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--navy);
  background: var(--white);
  overflow-x: hidden;
}

img, svg { display:block; max-width:100%; }
a { text-decoration:none; color:inherit; transition:color var(--transition-fast); }
ul, ol { list-style:none; }
button, input, textarea, select { font:inherit; color:inherit; border:none; outline:none; background:none; }
button { cursor:pointer; }

/* ── Layout ── */
.container { width:100%; max-width:var(--max-width); margin:0 auto; padding:0 24px; }
.section { padding:100px 0; }
.section--dark { background:var(--navy); color:var(--white); }
.section--gray { background:var(--off-white); }
.section--white { background:var(--white); }

.section-label {
  font-family:var(--font-body);
  font-size:13px;
  font-weight:600;
  letter-spacing:2px;
  text-transform:uppercase;
  color:var(--gold);
  text-align:center;
  margin-bottom:16px;
}

.section-headline {
  font-family:var(--font-display);
  font-weight:700;
  font-size:36px;
  line-height:1.25;
  color:var(--navy);
  text-align:center;
  max-width:560px;
  margin:0 auto 48px;
}

.section--dark .section-headline { color:var(--white); }

.text-gold { color:var(--gold); }
.text-white { color:var(--white); }
.text-navy { color:var(--navy); }
.text-gray { color:var(--gray-text); }
.text-green { color:var(--green); }
.text-red { color:var(--red); }
.text-center { text-align:center; }

/* ── Buttons ── */
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:6px;
  font-family:var(--font-body);
  font-weight:600; font-size:14px;
  padding:12px 24px; border-radius:var(--radius-sm);
  transition:all var(--transition-fast);
  white-space:nowrap;
}
.btn:hover { transform:translateY(-1px); }
.btn:active { transform:translateY(0); }
.btn:focus-visible { outline:2px solid var(--gold); outline-offset:2px; }

.btn--primary { background:var(--navy); color:var(--white); }
.btn--primary:hover { background:var(--navy-mid); box-shadow:var(--shadow-hover); }

.btn--gold { background:var(--gold); color:var(--white); }
.btn--gold:hover { background:var(--gold-light); box-shadow:0 4px 16px rgba(184,150,58,0.25); }

.btn--secondary { background:var(--white); color:var(--navy); border:1px solid var(--gray-border); }
.btn--secondary:hover { border-color:var(--navy); background:var(--off-white); }

.btn--outline { background:transparent; color:var(--navy); border:1px solid var(--gray-border); }
.btn--outline:hover { border-color:var(--gold); color:var(--gold); }

.btn--large { font-size:15px; padding:14px 32px; border-radius:var(--radius-md); }

/* ── Cards ── */
.card {
  background:var(--white);
  border:1px solid var(--gray-light);
  border-radius:var(--radius-md);
  padding:32px;
  box-shadow:var(--shadow-card);
  transition:all var(--transition-fast);
}
.card:hover { box-shadow:var(--shadow-hover); transform:translateY(-2px); }

/* ── Nav ── */
.nav {
  position:fixed; top:0; left:0; right:0; z-index:1000;
  padding:0 24px; height:64px;
  display:flex; align-items:center;
  background:rgba(255,255,255,0.85);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid transparent;
  transition:all 0.25s ease;
}

.nav.nav--scrolled {
  border-bottom-color:var(--gray-light);
  box-shadow:0 1px 8px rgba(0,0,0,0.04);
}

.nav__inner {
  width:100%; max-width:var(--max-width); margin:0 auto;
  display:flex; align-items:center; justify-content:space-between;
}

.nav__logo {
  font-family:var(--font-display); font-weight:800; font-size:20px;
  color:var(--navy); letter-spacing:0.5px;
}
.nav__logo .logo-z { color:var(--gold); }

.nav__links { display:flex; align-items:center; gap:28px; }

.nav__link {
  font-size:14px; font-weight:500;
  color:var(--gray-text);
  transition:color var(--transition-fast);
  position:relative;
}
.nav__link::after {
  content:''; position:absolute; bottom:-4px; left:0;
  width:0; height:1.5px; background:var(--navy);
  transition:width var(--transition-fast);
}
.nav__link:hover, .nav__link.active { color:var(--navy); }
.nav__link:hover::after, .nav__link.active::after { width:100%; }

.nav__cta {
  font-size:13px; font-weight:600;
  padding:8px 18px;
  background:var(--navy); color:var(--white);
  border-radius:var(--radius-sm);
  transition:all var(--transition-fast);
}
.nav__cta:hover { background:var(--navy-mid); transform:translateY(-1px); }
.nav__cta:focus-visible { outline:2px solid var(--gold); outline-offset:2px; }

/* Hamburger */
.nav__hamburger {
  display:none; flex-direction:column; gap:5px;
  cursor:pointer; padding:4px; z-index:1100;
}
.nav__hamburger span {
  display:block; width:22px; height:1.5px;
  background:var(--navy); transition:all 0.3s ease; border-radius:1px;
}
.nav__hamburger.open span:nth-child(1) { transform:rotate(45deg) translate(4.5px,4.5px); }
.nav__hamburger.open span:nth-child(2) { opacity:0; }
.nav__hamburger.open span:nth-child(3) { transform:rotate(-45deg) translate(4.5px,-4.5px); }

/* Mobile overlay */
.nav__mobile-overlay {
  position:fixed; top:0; left:0; right:0; bottom:0;
  background:var(--white);
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:28px;
  z-index:1050; opacity:0; pointer-events:none; transition:opacity 0.25s ease;
}
.nav__mobile-overlay.open { opacity:1; pointer-events:all; }
.nav__mobile-overlay .nav__link {
  font-size:20px; color:var(--navy);
  font-family:var(--font-display); font-weight:700;
}
.nav__mobile-overlay .nav__cta { font-size:15px; padding:12px 28px; margin-top:12px; }

/* ── Footer ── */
.footer {
  background:var(--off-white);
  border-top:1px solid var(--gray-light);
  padding:48px 24px 28px;
}
.footer__inner {
  max-width:var(--max-width); margin:0 auto;
  display:grid; grid-template-columns:1fr 1fr 1fr; gap:32px; align-items:start;
}
.footer__brand { display:flex; flex-direction:column; gap:8px; }
.footer__logo { font-family:var(--font-display); font-weight:800; font-size:18px; color:var(--navy); }
.footer__logo .logo-z { color:var(--gold); }
.footer__tagline { font-size:13px; color:var(--gray-text); max-width:220px; line-height:1.5; }
.footer__links { display:flex; flex-direction:column; gap:8px; }
.footer__links-title { font-size:13px; font-weight:600; color:var(--navy); margin-bottom:4px; }
.footer__link { font-size:13px; color:var(--gray-text); transition:color var(--transition-fast); }
.footer__link:hover { color:var(--navy); }
.footer__right { text-align:right; display:flex; flex-direction:column; gap:6px; align-items:flex-end; }
.footer__domain { font-family:var(--font-display); font-weight:700; font-size:14px; color:var(--gold); }
.footer__copy { font-size:11px; color:var(--gray-text); }
.footer__divider {
  max-width:var(--max-width); margin:24px auto 0;
  border-top:1px solid var(--gray-light); padding-top:16px; text-align:center;
}
.footer__bottom-text { font-size:11px; color:var(--gray-text); }

/* ── Responsive ── */
@media (max-width:768px) {
  .section { padding:64px 0; }
  .section-headline { font-size:28px; }
  .nav__links { display:none; }
  .nav__cta.desktop-only { display:none; }
  .nav__hamburger { display:flex; }
  .footer__inner { grid-template-columns:1fr; gap:24px; text-align:center; }
  .footer__right { text-align:center; align-items:center; }
  .footer__tagline { margin:0 auto; }
}

@media (max-width:480px) {
  .container { padding:0 16px; }
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width:5px; }
::-webkit-scrollbar-track { background:var(--off-white); }
::-webkit-scrollbar-thumb { background:var(--gray-light); border-radius:3px; }

::selection { background:var(--gold); color:var(--white); }
:focus-visible { outline:2px solid var(--gold); outline-offset:2px; }

.page-content { animation:pageIn 0.3s ease; }
@keyframes pageIn { from{opacity:0;transform:translateY(6px)} to{opacity:1;transform:translateY(0)} }