/* kisallink ortak tasarim sistemi */
:root {
  --navy: #001b33;
  --navy2: #062a48;
  --cream: #fffdf8;
  --accent: #ee6123;
  --accent-d: #d5501a;
  --blue: #0058dd;
  --text: #031f39;
  --muted: #5a6b7b;
  --line: #e6e9ee;
  --bg-soft: #f6f8fb;
  --ok: #16a34a;
  --err: #dc2626;
  --radius: 16px;
  --shadow: 0 24px 60px rgba(0, 27, 51, 0.18);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text); background: var(--cream); line-height: 1.5; -webkit-font-smoothing: antialiased;
}
h1, h2, h3, h4, .brand { font-family: "Poppins", "Inter", sans-serif; }
a { color: inherit; text-decoration: none; }
.container { width: 100%; max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* NAV */
.nav { position: sticky; top: 0; z-index: 50; background: var(--navy); border-bottom: 1px solid rgba(255,255,255,0.06); }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.brand { font-size: 26px; font-weight: 800; color: var(--cream); letter-spacing: -0.5px; }
.brand span { color: var(--accent); }
.nav-links { display: flex; align-items: center; gap: 28px; }
.nav-links a.menu { color: #cbd6e2; font-size: 15px; font-weight: 500; }
.nav-links a.menu:hover { color: #fff; }
.nav-actions { display: flex; align-items: center; gap: 14px; }
.login-link { color: var(--cream); font-weight: 600; font-size: 15px; font-family: "Poppins", sans-serif; }
.login-link:hover { color: var(--accent); }
.hamburger { display: none; background: none; border: none; color: var(--cream); font-size: 22px; cursor: pointer; }

/* DIL DEGISTIRICI */
.lang-switch { display: inline-flex; border: 1px solid rgba(255,255,255,0.3); border-radius: 8px; overflow: hidden; }
.lang-switch button { background: transparent; color: #cbd6e2; border: none; font-family: "Poppins", sans-serif; font-weight: 600; font-size: 13px; padding: 7px 11px; cursor: pointer; transition: background .15s, color .15s; }
.lang-switch button.active { background: var(--accent); color: #fff; }
.lang-switch button:not(.active):hover { color: #fff; }

/* BUTONLAR */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font-family: "Poppins", sans-serif; font-weight: 600; font-size: 15px; border-radius: 8px; padding: 11px 20px; cursor: pointer; border: none; transition: transform .06s ease, background .15s ease, box-shadow .15s ease; }
.btn:active { transform: translateY(1px); }
.btn-light { background: var(--cream); color: var(--navy); }
.btn-light:hover { box-shadow: 0 6px 18px rgba(0,0,0,0.25); }
.btn-ghost { background: transparent; color: var(--cream); border: 1px solid rgba(255,255,255,0.35); }
.btn-ghost:hover { border-color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-d); }
.btn-outline { background: #fff; color: var(--text); border: 1.5px solid var(--line); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-danger { background: #fff; color: var(--err); border: 1.5px solid #f3c6c6; }
.btn-danger:hover { background: var(--err); color: #fff; border-color: var(--err); }
.btn-lg { padding: 16px 26px; font-size: 17px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: .6; cursor: not-allowed; }

/* FORM ALANLARI */
.field { margin-top: 20px; }
.field label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.field .opt { color: var(--muted); font-weight: 400; }
input[type="text"], input[type="email"], input[type="password"], input[type="url"] {
  width: 100%; padding: 15px 16px; font-size: 16px; font-family: "Inter", sans-serif;
  border: 1.5px solid var(--line); border-radius: 12px; outline: none; transition: border-color .15s; background: #fff;
}
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(238,97,35,0.12); }
.msg { margin-top: 16px; font-size: 14px; font-weight: 600; display: none; }
.msg.err { color: var(--err); display: block; }
.msg.ok { color: var(--ok); display: block; }

/* FOOTER */
footer { background: var(--navy); color: #9fb0c0; padding: 56px 0 30px; }
.foot-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; border-bottom: 1px solid rgba(255,255,255,0.08); padding-bottom: 36px; }
.foot-brand { max-width: 300px; }
.foot-brand .brand { font-size: 24px; }
.foot-brand p { margin-top: 12px; font-size: 14px; }
.foot-cols { display: flex; gap: 64px; flex-wrap: wrap; }
.foot-col h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
.foot-col a { display: block; font-size: 14px; margin-bottom: 10px; color: #9fb0c0; }
.foot-col a:hover { color: var(--accent); }
.foot-bottom { padding-top: 24px; font-size: 13px; color: #7488a0; text-align: center; }

@media (max-width: 860px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
}