/* ===== STED — Sürdürülebilir Toplumsal Etki Derneği ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy: #0D1B3E;
  --navy-mid: #1A2F5E;
  --navy-light: #243F74;
  --gold: #C8963E;
  --gold-light: #E8B86D;
  --gold-pale: #F5E6CC;
  --cream: #F8F7F4;
  --text: #1A1A1A;
  --text-muted: #5A5A5A;
  --border: rgba(0,0,0,0.08);
  --white: #ffffff;
  --radius: 6px;
}

html { scroll-behavior: smooth; }
body { font-family: 'Georgia', serif; color: var(--text); background: var(--white); font-size: 16px; line-height: 1.75; }

/* ── NAV ── */
nav {
  position: sticky; top: 0; z-index: 100;
  background: var(--navy);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 2.5rem; height: 68px;
  border-bottom: 2px solid var(--gold);
}
.nav-brand { display: flex; flex-direction: column; gap: 1px; }
.nav-brand-main { font-size: 12px; font-weight: 700; color: var(--white); letter-spacing: 0.05em; font-family: sans-serif; text-transform: uppercase; }
.nav-brand-sub { font-size: 9.5px; color: var(--gold-light); letter-spacing: 0.14em; font-family: sans-serif; text-transform: uppercase; }
.nav-links { display: flex; align-items: center; gap: 0; }
.nav-links a {
  color: rgba(255,255,255,0.72); text-decoration: none;
  font-family: sans-serif; font-size: 11.5px; letter-spacing: 0.05em;
  padding: 0 0.85rem; height: 68px; display: flex; align-items: center;
  border-bottom: 2px solid transparent; margin-bottom: -2px;
  transition: color 0.2s, border-color 0.2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--white); border-color: var(--gold); }
.lang-toggle { display: flex; gap: 3px; margin-left: 1rem; background: rgba(255,255,255,0.08); border-radius: 4px; padding: 3px; }
.lang-toggle button { background: none; border: none; cursor: pointer; color: rgba(255,255,255,0.55); font-size: 11px; font-family: sans-serif; font-weight: 700; padding: 3px 8px; border-radius: 3px; letter-spacing: 0.05em; transition: background 0.15s, color 0.15s; }
.lang-toggle button.active { background: var(--gold); color: var(--navy); }

/* ── BUTTONS ── */
.btn-primary { background: var(--gold); color: var(--navy); border: none; padding: 0.8rem 1.85rem; font-family: sans-serif; font-size: 12.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; cursor: pointer; border-radius: 2px; text-decoration: none; display: inline-block; transition: background 0.2s; }
.btn-primary:hover { background: var(--gold-light); }
.btn-outline { background: transparent; color: rgba(255,255,255,0.8); border: 1px solid rgba(255,255,255,0.3); padding: 0.8rem 1.85rem; font-family: sans-serif; font-size: 12.5px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; cursor: pointer; border-radius: 2px; text-decoration: none; display: inline-block; transition: border-color 0.2s, color 0.2s; }
.btn-outline:hover { border-color: var(--gold); color: var(--gold); }
.btn-navy { background: var(--navy); color: var(--white); border: none; padding: 0.8rem 1.85rem; font-family: sans-serif; font-size: 12.5px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; cursor: pointer; border-radius: 2px; text-decoration: none; display: inline-block; transition: background 0.2s; }
.btn-navy:hover { background: var(--navy-mid); }

/* ── SECTION BASE ── */
section { padding: 5rem 2.5rem; }
.section-eyebrow { font-family: sans-serif; font-size: 10px; font-weight: 700; letter-spacing: 0.22em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.85rem; }
.section-title { font-size: 2rem; font-weight: 400; line-height: 1.28; margin-bottom: 0.75rem; }
.section-lead { color: var(--text-muted); font-size: 1.02rem; max-width: 620px; line-height: 1.8; }
.divider { width: 48px; height: 2px; background: var(--gold); margin: 1.4rem 0; }

/* ── PAGE HERO (inner pages) ── */
.page-hero { background: var(--navy); padding: 4rem 2.5rem 3.5rem; border-bottom: 2px solid var(--gold); }
.page-hero .section-eyebrow { color: var(--gold); }
.page-hero h1 { font-size: 2.2rem; font-weight: 400; color: var(--white); line-height: 1.25; margin-bottom: 0.75rem; }
.page-hero p { color: rgba(255,255,255,0.62); font-size: 1rem; max-width: 580px; line-height: 1.8; }

/* ── FOOTER ── */
footer { background: #060D1C; padding: 3rem 2.5rem 2rem; border-top: 1px solid rgba(255,255,255,0.07); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 3rem; margin-bottom: 2.5rem; }
.footer-brand-name { font-family: sans-serif; font-size: 12px; font-weight: 700; color: var(--white); letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 0.5rem; }
.footer-brand-sub { font-family: sans-serif; font-size: 10px; color: var(--gold-light); letter-spacing: 0.1em; margin-bottom: 1rem; }
.footer-brand-desc { font-size: 13px; color: rgba(255,255,255,0.42); line-height: 1.7; }
.footer-col h5 { font-family: sans-serif; font-size: 10px; font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--gold); margin-bottom: 1rem; }
.footer-col a { display: block; font-family: sans-serif; font-size: 13px; color: rgba(255,255,255,0.45); text-decoration: none; margin-bottom: 0.5rem; transition: color 0.15s; }
.footer-col a:hover { color: var(--gold); }
.footer-col p { font-family: sans-serif; font-size: 13px; color: rgba(255,255,255,0.45); line-height: 1.7; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.07); padding-top: 1.5rem; display: flex; align-items: center; justify-content: space-between; }
.footer-bottom p { font-family: sans-serif; font-size: 11px; color: rgba(255,255,255,0.28); }

/* ── CARDS ── */
.card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: box-shadow 0.2s; }
.card:hover { box-shadow: 0 4px 20px rgba(0,0,0,0.08); }
.card-top { background: var(--navy-mid); padding: 1.75rem 1.5rem 1.25rem; }
.card-tag { font-family: sans-serif; font-size: 10px; font-weight: 700; letter-spacing: 0.12em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.65rem; }
.card-top h3 { color: var(--white); font-size: 1.05rem; font-weight: 400; line-height: 1.4; }
.card-body { padding: 1.25rem 1.5rem; }
.card-body p { font-size: 13.5px; color: var(--text-muted); margin-bottom: 1rem; line-height: 1.65; }
.card-body a { font-family: sans-serif; font-size: 12px; font-weight: 700; color: var(--navy); text-decoration: none; letter-spacing: 0.04em; }
.card-body a:hover { color: var(--gold); }

/* ── FORMS ── */
.form-field { display: flex; flex-direction: column; gap: 0.5rem; margin-bottom: 1rem; }
.form-field label { font-family: sans-serif; font-size: 11px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: rgba(255,255,255,0.5); }
.form-field label.dark { color: var(--text-muted); }
.form-field input, .form-field textarea, .form-field select {
  background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.18);
  border-radius: 3px; padding: 0.75rem 1rem;
  color: var(--white); font-family: sans-serif; font-size: 13.5px; outline: none; resize: vertical;
}
.form-field input.light, .form-field textarea.light, .form-field select.light {
  background: var(--white); border: 1px solid var(--border); color: var(--text);
}
.form-field input::placeholder, .form-field textarea::placeholder { color: rgba(255,255,255,0.35); }
.form-field input.light::placeholder, .form-field textarea.light::placeholder { color: var(--text-muted); }
.form-field input:focus, .form-field textarea:focus { border-color: var(--gold); }

/* ── LANG TOGGLE ── */
.lang-tr.hidden, .lang-en.hidden { display: none !important; }

/* ── UTILITY ── */
.cream-bg { background: var(--cream); }
.navy-bg { background: var(--navy); }
.gold-accent { border-left: 3px solid var(--gold); }
.text-muted { color: var(--text-muted); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.25rem; }
.mt-3 { margin-top: 3rem; }
.quote-block { border-left: 3px solid var(--gold); padding: 1rem 1.25rem; background: var(--white); border-radius: 0 4px 4px 0; margin: 1.5rem 0; font-size: 14px; color: var(--navy); font-style: italic; line-height: 1.7; }
.quote-source { font-style: normal; font-size: 12px; color: var(--text-muted); font-family: sans-serif; margin-top: 6px; display: block; }