/*
Theme Name: E-ISFA
Author: E-ISFA
Description: Custom theme for e-isfa.eu, matching the association's blue/gold identity.
Version: 1.0
*/

/* Inter (SIL Open Font License 1.1), selbst gehostet: Teilmenge latin-ext */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/inter-latin-ext.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-20C4, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
/* Inter (SIL Open Font License 1.1), selbst gehostet: Teilmenge latin */
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("fonts/inter-latin.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;
}

:root {
  --color-navy-900: #2a57a5;
  --color-navy-700: #3a67b5;
  --color-navy-500: #5a87c5;
  --color-slate-100: #eef1f5;
  --color-slate-200: #e0e5ec;
  --color-gold-500: #f0b800;
  --color-gold-600: #c99900;
  --color-text: #22262e;
  --color-text-muted: #5b6472;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f8fa;
  --color-border: #e3e7ed;

  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --container-width: 1120px;
  --radius: 10px;
}

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

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-sans);
  color: var(--color-navy-900);
  line-height: 1.25;
  font-weight: 700;
  margin: 0 0 0.6em;
}

h1 { font-size: clamp(2rem, 1.5rem + 2vw, 2.8rem); }
h2 { font-size: clamp(1.4rem, 1.2rem + 1vw, 1.8rem); letter-spacing: 0.01em; }
h3 { font-size: 1.15rem; }

p { margin: 0 0 1em; }
a { color: var(--color-navy-500); text-decoration: none; }
a:hover { color: var(--color-navy-900); }
ul { padding-left: 1.2em; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section { padding: 3.5rem 0; }
.section--alt { background: var(--color-bg-alt); }

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gold-600);
  margin-bottom: 0.75rem;
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.4rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn--primary { background: var(--color-navy-900); color: #fff; }
.btn--primary:hover { background: var(--color-navy-700); color: #fff; }
.btn--gold { background: var(--color-gold-500); color: var(--color-navy-900); }
.btn--gold:hover { background: var(--color-gold-600); color: var(--color-navy-900); }

.prose > * + * { margin-top: 1em; }
.prose h2 { margin-top: 2em; }

.register-preview {
  display: block;
  width: 100%;
  max-width: 560px;
  height: auto;
  margin-left: auto;
  margin-right: auto;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}

/* Header */
.site-header {
  border-bottom: 1px solid var(--color-border);
  background: #fff;
  position: sticky;
  top: 0;
  z-index: 20;
}
.site-header__row {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
}
.brand { display: flex; align-items: center; gap: 0.75rem; color: var(--color-navy-900); }
.brand img { width: 40px; height: auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__text strong { font-size: 1.1rem; letter-spacing: 0.02em; }
.brand__text small { font-size: 0.72rem; color: var(--color-text-muted); font-weight: 500; }
.site-nav { margin-left: auto; }
.site-nav ul { display: flex; gap: 0.25rem; list-style: none; margin: 0; padding: 0; }
.site-nav a { display: block; padding: 0.5rem 0.85rem; border-radius: 999px; font-weight: 600; font-size: 0.92rem; color: var(--color-navy-700); }
.site-nav a:hover { background: var(--color-slate-100); color: var(--color-navy-900); }
.site-nav a.is-active { background: var(--color-navy-900); color: #fff; }
.lang-switch { display: inline-flex; align-items: center; gap: 0.4rem; border: 1px solid var(--color-border); border-radius: 999px; padding: 0.3rem 0.75rem 0.3rem 0.55rem; font-size: 0.8rem; font-weight: 700; color: var(--color-navy-700); }
.lang-switch:hover { border-color: var(--color-navy-500); color: var(--color-navy-900); }
.lang-switch .flag { width: 1.15rem; height: auto; border-radius: 2px; box-shadow: 0 0 0 1px rgba(0,0,0,0.08); display: block; }

.account-indicator { font-size: 0.85rem; color: var(--color-text-muted); white-space: nowrap; }
.account-indicator a { font-weight: 600; }

.member-doc-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.75rem; }
.member-doc-list li { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem 1.25rem; border: 1px solid var(--color-border); border-radius: var(--radius); background: #fff; }
.member-doc-list .doc-title { font-weight: 600; color: var(--color-navy-900); }

.login-box { max-width: 380px; margin: 0 auto; }
.login-box input[type="text"], .login-box input[type="password"] { width: 100%; padding: 0.6rem 0.85rem; border: 1px solid var(--color-border); border-radius: 6px; font-size: 0.95rem; margin-top: 0.3rem; margin-bottom: 1rem; font-family: var(--font-sans); }
.login-box label { font-weight: 600; font-size: 0.9rem; }
.login-box .login-remember { display: flex; align-items: center; gap: 0.5rem; font-weight: 400; margin-bottom: 1.25rem; }
.login-box .login-remember input { margin: 0; width: auto; }
.login-box p.forgetmenot { margin: 0 0 1.25rem; }
.login-box p.submit { margin: 0; }

@media (max-width: 780px) {
  .site-header__row { flex-wrap: wrap; }
  .brand__text small { display: none; }
  .site-nav { order: 3; margin-left: 0; width: 100%; }
  .site-nav ul { flex-wrap: wrap; }
}

/* Page intro band */
.page-intro { background: var(--color-navy-900); color: #fff; padding: 3.5rem 0 3rem; }
.page-intro h1 { color: #fff; margin-bottom: 0.4em; }
.page-intro .eyebrow { color: var(--color-gold-500); }
.page-intro .lead { color: #c9d0da; max-width: 60ch; font-size: 1.05rem; margin: 0; }

/* Hero (home) */
.hero { background: linear-gradient(180deg, var(--color-bg-alt) 0%, #fff 100%); padding: 3.5rem 0; }
.hero__grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 3rem; align-items: start; }
.hero__lead { font-size: 1.1rem; color: var(--color-text-muted); max-width: 56ch; }
.hero__actions { display: flex; gap: 0.75rem; margin-top: 1.5rem; }
.hero__card h3 { margin-bottom: 1rem; }
.hero__event + .hero__event { margin-top: 1.25rem; padding-top: 1.25rem; border-top: 1px solid var(--color-border); }
.hero__event p { margin: 0.25rem 0 0; font-size: 0.9rem; color: var(--color-text-muted); }
@media (max-width: 860px) { .hero__grid { grid-template-columns: 1fr; } }

/* Supporting members */
.members { text-align: center; }
.tiers { display: flex; flex-direction: column; align-items: center; gap: 1.75rem; margin-top: 1.5rem; }
.tier__label { display: block; font-size: 0.78rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-text-muted); margin-bottom: 0.75rem; }
.tier__logos { display: flex; flex-wrap: wrap; justify-content: center; gap: 1rem; }
.logo-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1.25rem 1.75rem; display: flex; align-items: center; justify-content: center; height: 88px; }
.logo-card img { max-height: 48px; max-width: 160px; width: auto; height: auto; object-fit: contain; filter: grayscale(1); opacity: 0.75; transition: filter 0.15s ease, opacity 0.15s ease; }
.logo-card:hover img { filter: none; opacity: 1; }

/* Contact grid */
.contact-grid { display: grid; grid-template-columns: 1.3fr 1fr; gap: 1.5rem; }
.contact-grid .btn { margin-top: 1rem; }
@media (max-width: 720px) { .contact-grid { grid-template-columns: 1fr; } }

/* Footer */
.site-footer { border-top: 1px solid var(--color-border); background: var(--color-navy-900); color: #cbd2dc; margin-top: 4rem; }
.site-footer__row { padding: 2rem 1.5rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; font-size: 0.85rem; }
.site-footer p { margin: 0; }
.site-footer ul { list-style: none; display: flex; gap: 1.25rem; margin: 0; padding: 0; }
.site-footer a { color: #cbd2dc; }
.site-footer a:hover { color: #fff; }