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

:root {
  --red: #CC0000;
  --red-dark: #a50000;
  --black: #1a1a1a;
  --white: #ffffff;
  --gray-light: #f7f7f7;
  --gray-mid: #e5e5e5;
  --gray-text: #666666;
  --font-heading: 'Merriweather', Georgia, serif;
  --font-body: 'Nunito', 'Segoe UI', sans-serif;
}

html { scroll-behavior: smooth; }
body { font-family: var(--font-body); color: var(--black); background: var(--white); font-size: 16px; line-height: 1.7; }

/* TOPBAR */
.topbar { background: var(--red); padding: 7px 0; }
.topbar-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; display: flex; justify-content: flex-end; gap: 24px; }
.topbar a { color: rgba(255,255,255,0.88); font-size: 12px; text-decoration: none; display: flex; align-items: center; gap: 6px; }
.topbar a:hover { color: #fff; }
.topbar a svg { width: 13px; height: 13px; fill: currentColor; flex-shrink: 0; }

/* HEADER */
header { background: var(--white); border-bottom: 3px solid var(--red); position: sticky; top: 0; z-index: 100; }
.header-inner { max-width: 1100px; margin: 0 auto; padding: 0 24px; height: 84px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo-area { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.logo-area img { height: 64px; width: auto; }
nav ul { display: flex; list-style: none; gap: 4px; }
nav a { text-decoration: none; color: var(--black); font-size: 15px; font-weight: 700; padding: 7px 14px; border-radius: 3px; transition: background 0.2s, color 0.2s; }
nav a:hover, nav a.active { color: var(--red); background: #fff0f0; }
.btn-join { background: var(--red); color: var(--white); border: none; padding: 10px 22px; font-family: var(--font-body); font-size: 14px; font-weight: 700; cursor: pointer; border-radius: 3px; text-decoration: none; white-space: nowrap; transition: background 0.2s; }
.btn-join:hover { background: var(--red-dark); }

/* HAMBURGER */
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--black); transition: all 0.3s; }
.mobile-nav { display: none; flex-direction: column; background: var(--white); border-bottom: 2px solid var(--red); padding: 16px 24px; gap: 4px; }
.mobile-nav.open { display: flex; }
.mobile-nav a { text-decoration: none; color: var(--black); font-size: 15px; font-weight: 600; padding: 10px 0; border-bottom: 1px solid var(--gray-mid); }
.mobile-nav a:last-child { border-bottom: none; color: var(--red); }

/* SECTION ORTAK */
section { padding: 80px 24px; }
.section-inner { max-width: 1100px; margin: 0 auto; }
.section-tag { display: inline-block; color: var(--red); font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px; }
.section-title { font-family: var(--font-heading); font-size: 32px; font-weight: 700; color: var(--black); margin-bottom: 16px; line-height: 1.3; }
.section-desc { color: var(--gray-text); font-size: 16px; max-width: 640px; margin-bottom: 48px; line-height: 1.75; }
.divider { width: 48px; height: 3px; background: var(--red); margin-bottom: 20px; border-radius: 2px; }

/* PAGE HERO (iç sayfalar) */
.page-hero { background: var(--black); padding: 56px 24px; }
.page-hero-inner { max-width: 1100px; margin: 0 auto; }
.page-hero h1 { font-family: var(--font-heading); font-size: 36px; font-weight: 700; color: var(--white); margin-bottom: 12px; line-height: 1.2; }
.page-hero h1 span { color: var(--red); }
.page-hero p { color: #aaa; font-size: 16px; max-width: 560px; line-height: 1.75; }
.breadcrumb { display: flex; align-items: center; gap: 8px; margin-bottom: 20px; }
.breadcrumb a { color: #888; font-size: 13px; text-decoration: none; }
.breadcrumb a:hover { color: var(--red); }
.breadcrumb span { color: #555; font-size: 13px; }

/* FOOTER */
footer { background: #111; padding: 40px 24px 24px; border-top: 3px solid var(--red); }
.footer-inner { max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; }
.footer-logo { font-family: var(--font-heading); font-size: 20px; font-weight: 700; color: var(--white); }
.footer-logo span { color: var(--red); }
.footer-copy { font-size: 13px; color: #555; text-align: center; }
.footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
.footer-links a { font-size: 13px; color: #555; text-decoration: none; }
.footer-links a:hover { color: var(--red); }

/* BUTONLAR */
.btn-primary { background: var(--red); color: var(--white); border: none; padding: 14px 30px; font-family: var(--font-body); font-size: 15px; font-weight: 700; cursor: pointer; border-radius: 3px; text-decoration: none; transition: background 0.2s; display: inline-block; }
.btn-primary:hover { background: var(--red-dark); }
.btn-outline { background: transparent; color: var(--white); border: 2px solid rgba(255,255,255,0.4); padding: 13px 30px; font-family: var(--font-body); font-size: 15px; font-weight: 700; cursor: pointer; border-radius: 3px; text-decoration: none; transition: border-color 0.2s; display: inline-block; }
.btn-outline:hover { border-color: #fff; }

/* FORM */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 700; color: var(--black); letter-spacing: 0.3px; }
.form-group input, .form-group select, .form-group textarea { font-family: var(--font-body); font-size: 14px; padding: 10px 14px; border: 1.5px solid var(--gray-mid); border-radius: 4px; color: var(--black); background: var(--white); transition: border-color 0.2s; outline: none; width: 100%; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--red); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-submit { background: var(--red); color: var(--white); border: none; padding: 13px 32px; font-family: var(--font-body); font-size: 15px; font-weight: 700; cursor: pointer; border-radius: 3px; width: 100%; transition: background 0.2s; margin-top: 4px; }
.form-submit:hover { background: var(--red-dark); }

/* EMPTY STATE */
.empty-state { text-align: center; padding: 64px 24px; border: 2px dashed var(--gray-mid); border-radius: 8px; color: #aaa; }
.empty-state .empty-icon { display: flex; justify-content: center; margin-bottom: 18px; }
.empty-state .empty-icon svg { width: 48px; height: 48px; stroke: #ccc; fill: none; }
.empty-state p { font-size: 15px; font-weight: 600; color: #888; margin-bottom: 6px; }
.empty-state span { font-size: 13px; }

/* MOBİL */
@media (max-width: 768px) {
  nav, .btn-join { display: none; }
  .hamburger { display: flex; }
  .section-title { font-size: 26px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
  .page-hero h1 { font-size: 28px; }
}