/* ==========================================================================
   TIHUD Meetings — KÖK TANITIM SAYFASI stil dosyası (landing.css)
   Sadece tihudmeetings.org ana sayfasında yüklenir; toplantı sitelerini
   (sevilla2026, sarajevo2025, bologna2025) etkilemez.
   Renkler kökteki config.php -> 'colors' bölümünden gelir.
   ========================================================================== */

/* ---------- Yazı tipleri (sitede barındırılır, SIL OFL) ---------- */
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url(../fonts/inter-latin-wght-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Inter";font-style:normal;font-weight:100 900;font-display:swap;src:url(../fonts/inter-latin-ext-wght-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:"Inter";font-style:italic;font-weight:100 900;font-display:swap;src:url(../fonts/inter-latin-wght-italic.woff2) format("woff2")}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:200 800;font-display:swap;src:url(../fonts/plus-jakarta-sans-latin-wght-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Plus Jakarta Sans";font-style:normal;font-weight:200 800;font-display:swap;src:url(../fonts/plus-jakarta-sans-latin-ext-wght-normal.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}

/* ---------- Değişkenler ---------- */
:root{
  --brand:#103492;
  --brand-dark:#0a1f5c;
  --accent:#f2b544;
  --ink:#1d2430;
  --text:#374151;
  --muted:#6b7280;
  --line:#e5e7eb;
  --bg:#f5f6f8;
  --font:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-head:"Plus Jakarta Sans","Inter",system-ui,sans-serif;
  --gutter:24px;
  --radius:16px;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 8px 24px -8px rgba(16,24,40,.10);
  --shadow-lg:0 2px 4px rgba(16,24,40,.05),0 16px 40px -12px rgba(16,24,40,.18);
}

/* ---------- Temel ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.7 var(--font);-webkit-font-smoothing:antialiased}
h1,h2,h3{margin:0 0 .6em;color:var(--ink);font-family:var(--font-head);font-weight:700;line-height:1.25;word-spacing:.06em}
p{margin:0 0 1em}
ul{margin:0;padding:0}
img{max-width:100%;height:auto;vertical-align:middle;border:0}
a{color:var(--brand);text-decoration:none}
a:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 45%,transparent);outline-offset:2px;border-radius:6px}
.icon{width:1.1em;height:1.1em;flex:none;vertical-align:-.15em}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:.8em 1.4em;border:2px solid transparent;border-radius:999px;font:600 15px/1.2 var(--font-head);text-decoration:none;cursor:pointer;transition:background-color .2s,color .2s}
.btn--brand{background:var(--brand);color:#fff}

/* ---------- Tanıtım sayfası ---------- */
.landing{min-height:100vh;display:flex;flex-direction:column}
.intro{position:relative;overflow:hidden;padding:72px var(--gutter) 150px;text-align:center;color:#fff;background:radial-gradient(1200px 500px at 50% -10%,color-mix(in srgb,var(--brand) 70%,#fff) 0%,transparent 60%),linear-gradient(160deg,var(--brand-dark),var(--brand));isolation:isolate}
.intro::before{content:"";position:absolute;inset:0;background:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1.5px) 0 0/24px 24px;-webkit-mask-image:radial-gradient(ellipse at 50% 40%,#000 20%,transparent 75%);mask-image:radial-gradient(ellipse at 50% 40%,#000 20%,transparent 75%);z-index:-1}
.intro::after{content:"";position:absolute;left:50%;top:-240px;width:720px;height:720px;border-radius:50%;border:1px solid rgba(255,255,255,.12);transform:translateX(-50%);box-shadow:0 0 0 90px rgba(255,255,255,.03),0 0 0 180px rgba(255,255,255,.025);z-index:-1}
.intro__in{max-width:820px;margin:0 auto}
.intro__logo{display:inline-block;padding:10px;border-radius:50%;background:#fff;box-shadow:0 10px 30px -8px rgba(0,0,0,.35);line-height:0;transition:transform .3s}
.intro__logo:hover{transform:scale(1.04)}
.intro__logo img{width:108px;height:108px;border-radius:50%}
.intro__kicker{margin:22px 0 10px;color:var(--accent);font:700 14px/1.4 var(--font-head);letter-spacing:.16em;text-transform:uppercase}
.intro__title{margin:0 0 18px;color:#fff;font:800 clamp(30px,5vw,54px)/1.1 var(--font-head);letter-spacing:-.02em}
.intro__lead{max-width:640px;margin:0 auto;color:rgba(255,255,255,.85);font-size:18px;line-height:1.6}

.upcoming{width:min(1040px,100% - 2*var(--gutter));margin:-100px auto 0;position:relative;z-index:2}
.upcoming__card{display:grid;grid-template-columns:1.05fr 1fr;overflow:hidden;background:#fff;border-radius:22px;box-shadow:var(--shadow-lg);color:var(--text);text-decoration:none;transition:transform .3s,box-shadow .3s}
.upcoming__card:hover{transform:translateY(-3px);box-shadow:0 4px 8px rgba(16,24,40,.06),0 28px 60px -20px rgba(16,24,40,.35)}
.upcoming__media{position:relative;min-height:320px;background:linear-gradient(135deg,color-mix(in srgb,var(--m-color) 88%,#000),var(--m-color))}
.upcoming__media::before{content:"";position:absolute;inset:0;background:var(--m-img,none) center/cover no-repeat;mix-blend-mode:luminosity;opacity:.6}
.upcoming__media::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(0,0,0,.35),transparent 55%)}
.upcoming__badge{position:absolute;left:20px;top:20px;z-index:1;display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.95);color:var(--m-color);font:700 13px/1.4 var(--font-head);letter-spacing:.04em;text-transform:uppercase}
.upcoming__badge::before{content:"";width:8px;height:8px;border-radius:50%;background:currentColor;box-shadow:0 0 0 4px color-mix(in srgb,currentColor 25%,transparent);animation:pulse 2s infinite}
@keyframes pulse{50%{box-shadow:0 0 0 7px transparent}}
.upcoming__body{display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:40px 44px}
.upcoming__edition{margin:0 0 8px;padding:3px 12px;border-radius:999px;background:color-mix(in srgb,var(--m-color) 12%,#fff);color:var(--m-color);font:700 14px/1.6 var(--font-head)}
.upcoming__title{margin:0 0 18px;color:var(--ink);font-size:clamp(22px,2.4vw,28px);line-height:1.2}
.upcoming__meta{list-style:none;display:grid;gap:8px;margin:0 0 26px;color:var(--text)}
.upcoming__meta li{display:flex;align-items:center;gap:10px}
.upcoming__meta .icon{color:var(--m-color)}
.upcoming__meta strong{font-family:var(--font-head);letter-spacing:.04em;text-transform:uppercase}
.upcoming .btn--brand{background:var(--m-color)}
.upcoming__card:hover .btn--brand{background:color-mix(in srgb,var(--m-color) 80%,#000)}

.past{width:min(1040px,100% - 2*var(--gutter));margin:56px auto 64px}
.past__title{display:flex;align-items:center;gap:10px;margin:0 0 20px;font-size:20px;color:var(--ink)}
.past__title .icon{color:var(--brand)}
.past__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.past__card{position:relative;display:grid;gap:4px;padding:22px 22px 20px 26px;overflow:hidden;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);color:var(--text);text-decoration:none;transition:transform .25s,box-shadow .25s,border-color .25s}
.past__card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--m-color)}
.past__card:hover{transform:translateY(-2px);border-color:color-mix(in srgb,var(--m-color) 35%,#fff);box-shadow:var(--shadow-lg)}
.past__edition{color:var(--m-color);font:700 13px/1.4 var(--font-head);letter-spacing:.06em;text-transform:uppercase}
.past__city{color:var(--ink);font:800 22px/1.25 var(--font-head)}
.past__city small{color:var(--muted);font-size:14px;font-weight:600}
.past__meta{color:var(--muted);font-size:14.5px}
.past__more{display:inline-flex;align-items:center;gap:6px;margin-top:10px;color:var(--m-color);font:600 14px/1.2 var(--font-head)}
.past__card:hover .past__more .icon{transform:translateX(3px)}
.past__more .icon{transition:transform .2s}

.landing-foot{margin-top:auto;padding:22px var(--gutter);border-top:1px solid var(--line);background:#fff;color:var(--muted);font-size:14px;text-align:center}
.landing-foot p{display:flex;align-items:center;justify-content:center;gap:8px;margin:4px 0}
.landing-foot a{color:var(--brand)}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .upcoming__card{grid-template-columns:1fr}
  .upcoming__media{min-height:220px}
}
@media (max-width:600px){
  :root{--gutter:16px}
  .intro{padding:48px var(--gutter) 120px}
  .intro__lead{font-size:16px}
  .upcoming__body{padding:26px 22px}
  .past{margin:40px auto 48px}
}