/* =========================================================
   KGTÜ Biogen Topluluğu — Biyo-İndikatörler Projesi
   Tailwind (CDN) üzerine özel bileşen stilleri
   ========================================================= */

:root {
  --forest-950: #0a1c14;
  --forest-900: #102c1f;
  --forest-800: #173f2b;
  --forest-700: #1c4f34;
  --forest-600: #22623f;
  --forest-500: #2f7a4f;
  --forest-300: #76b38c;
  --forest-100: #d5e8db;
  --forest-50:  #eef5f0;
  --earth-500:  #a07443;
  --earth-400:  #b98f5c;
  --earth-300:  #cfb084;
  --earth-100:  #f1e8da;
  --sand:       #f6f3ec;
  --header-h:   88px;
}

html { scroll-padding-top: var(--header-h); }
::selection { background: var(--earth-300); color: var(--forest-950); }

/* ---------- Logo ---------- */
/* Round white badge; slight zoom hides the dark strip at the top edge of the source image */
.logo-badge {
  display: block;
  flex-shrink: 0;
  overflow: hidden;
  border-radius: 50%;
  background: #fff;
}
.logo-badge img { width: 100%; height: 100%; object-fit: cover; transform: scale(1.06); }

/* ---------- Header ---------- */
#siteHeader .nav-brand { color: #fff; }
#siteHeader .nav-sub   { color: var(--forest-100); opacity: .8; }
#siteHeader .nav-burger { color: #fff; background: rgba(255,255,255,.1); }

#siteHeader.is-scrolled,
#siteHeader.menu-open {
  background: rgba(246, 243, 236, .88);
  backdrop-filter: saturate(160%) blur(14px);
  -webkit-backdrop-filter: saturate(160%) blur(14px);
  box-shadow: 0 1px 0 rgba(16, 44, 31, .08), 0 10px 30px -12px rgba(16, 44, 31, .18);
}
#siteHeader.is-scrolled .nav-brand,
#siteHeader.menu-open .nav-brand { color: var(--forest-900); }
#siteHeader.is-scrolled .nav-sub,
#siteHeader.menu-open .nav-sub   { color: var(--forest-600); }
#siteHeader.is-scrolled .nav-burger,
#siteHeader.menu-open .nav-burger { color: var(--forest-900); background: var(--forest-50); }

.nav-link {
  position: relative;
  display: inline-block;
  padding: .55rem .9rem;
  border-radius: 999px;
  font-size: .9rem;
  font-weight: 500;
  color: rgba(255,255,255,.85);
  transition: color .2s, background-color .2s;
}
.nav-link:hover { color: #fff; background: rgba(255,255,255,.1); }
.nav-link.is-active { color: #fff; background: rgba(255,255,255,.14); }

#siteHeader.is-scrolled .nav-link { color: rgba(16,44,31,.7); }
#siteHeader.is-scrolled .nav-link:hover { color: var(--forest-900); background: var(--forest-50); }
#siteHeader.is-scrolled .nav-link.is-active { color: var(--forest-700); background: var(--forest-100); }

.mobile-link {
  display: block;
  padding: .85rem 1rem;
  border-radius: .75rem;
  font-weight: 600;
  color: var(--forest-900);
}
.mobile-link:hover, .mobile-link.is-active { background: var(--forest-50); color: var(--forest-600); }

.mobile-menu:not([hidden]) { animation: dropIn .22s ease-out; }
@keyframes dropIn { from { opacity: 0; transform: translateY(-8px); } }

.nav-burger path { transition: transform .25s ease, opacity .2s; transform-origin: center; }
#menuToggle[aria-expanded="true"] .burger-top { transform: translateY(5px) rotate(45deg); }
#menuToggle[aria-expanded="true"] .burger-mid { opacity: 0; }
#menuToggle[aria-expanded="true"] .burger-bot { transform: translateY(-5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero { background-color: #07120c; }

/* Pure CSS gradient — no images, no tiling. Each layer covers the whole box once. */
.hero-bg {
  position: absolute; inset: 0;
  background-color: #07120c;
  background-image:
    /* soft forest-green glow, upper left */
    radial-gradient(ellipse 75% 65% at 18% 22%, rgba(34, 98, 63, .55) 0%, rgba(34, 98, 63, .22) 40%, rgba(34, 98, 63, 0) 72%),
    /* deep olive glow, lower right */
    radial-gradient(ellipse 70% 60% at 88% 92%, rgba(58, 66, 28, .55) 0%, rgba(58, 66, 28, .2) 45%, rgba(58, 66, 28, 0) 75%),
    /* base: forest green → near-black → very dark olive */
    linear-gradient(150deg, #133826 0%, #0d2a1c 22%, #0a1d14 42%, #08140e 60%, #0c120a 78%, #161a0c 100%);
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.hero-vignette {
  position: absolute; inset: 0;
  background-image: linear-gradient(to bottom, rgba(7,18,12,.45) 0%, rgba(7,18,12,0) 22%, rgba(7,18,12,0) 72%, rgba(7,18,12,.6) 100%);
  background-repeat: no-repeat;
}
.pulse-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #8fae5a;
  box-shadow: 0 0 0 0 rgba(143,174,90,.7);
  animation: pulse 2s infinite;
}
@keyframes pulse { 70% { box-shadow: 0 0 0 10px rgba(143,174,90,0); } 100% { box-shadow: 0 0 0 0 rgba(143,174,90,0); } }

.scroll-cue { animation: bob 2.2s ease-in-out infinite; }
@keyframes bob { 50% { transform: translate(-50%, 6px); } }

/* ---------- Section typography ---------- */
.eyebrow {
  display: flex; align-items: center; gap: .6rem;
  font-size: .75rem; font-weight: 700; letter-spacing: .2em; text-transform: uppercase;
  color: var(--earth-500);
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; border-radius: 2px; }

.section-title {
  font-family: Fraunces, Georgia, serif;
  font-weight: 600;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.1;
  color: var(--forest-900);
  text-wrap: balance;
}

/* ---------- Indicator cards ---------- */
.indicator-card {
  position: relative;
  padding: 1.75rem;
  border-radius: 1.5rem;
  background: #fff;
  border: 1px solid rgba(16,44,31,.07);
  box-shadow: 0 1px 2px rgba(16,44,31,.04);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s;
}
.indicator-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47,122,79,.25);
  box-shadow: 0 24px 40px -20px rgba(16,44,31,.25);
}
.indicator-icon {
  display: grid; place-items: center;
  width: 3rem; height: 3rem; border-radius: 1rem;
}
.indicator-icon svg { width: 1.6rem; height: 1.6rem; }
.indicator-title { margin-top: 1.25rem; font-family: Fraunces, Georgia, serif; font-size: 1.3rem; font-weight: 600; color: var(--forest-900); }
.indicator-text  { margin-top: .5rem; font-size: .925rem; line-height: 1.6; color: rgba(16,44,31,.68); }

/* ---------- Timeline ---------- */
.timeline-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(40% 50% at 0% 0%, var(--forest-50), transparent 70%),
    radial-gradient(35% 45% at 100% 100%, var(--earth-100), transparent 70%);
}

.timeline { position: relative; display: grid; gap: 2.5rem; }
.timeline::before {
  content: "";
  position: absolute; top: 8px; bottom: 8px; left: 23px;
  width: 2px;
  background: linear-gradient(to bottom, var(--forest-500), var(--earth-400) 70%, rgba(185,143,92,.2));
}

.timeline-item { position: relative; display: grid; grid-template-columns: 48px 1fr; gap: 1.25rem; }
.timeline-dot {
  position: relative; z-index: 1;
  display: grid; place-items: center;
  width: 48px; height: 48px; border-radius: 50%;
  background: #fff;
  border: 2px solid var(--forest-300);
  font-family: Fraunces, Georgia, serif; font-weight: 600; color: var(--forest-700);
}
.timeline-item[data-status="active"] .timeline-dot {
  background: var(--forest-600); border-color: var(--forest-600); color: #fff;
  box-shadow: 0 0 0 6px rgba(47,122,79,.15);
}
.timeline-item[data-status="done"] .timeline-dot {
  background: var(--forest-100); border-color: var(--forest-300); color: var(--forest-600);
}
.timeline-item[data-status="done"] .timeline-card { opacity: .75; }
.timeline-highlight .timeline-dot {
  background: var(--earth-400); border-color: var(--earth-400); color: var(--forest-950);
  box-shadow: 0 0 0 6px rgba(185,143,92,.2);
}

.timeline-card {
  padding: 1.5rem 1.75rem;
  border-radius: 1.25rem;
  background: #fff;
  border: 1px solid rgba(16,44,31,.08);
  box-shadow: 0 12px 30px -20px rgba(16,44,31,.3);
  transition: transform .3s ease, box-shadow .3s ease;
}
.timeline-card:hover { transform: translateX(4px); box-shadow: 0 20px 40px -22px rgba(16,44,31,.35); }

.timeline-highlight .timeline-card {
  background: linear-gradient(135deg, var(--forest-800), var(--forest-950));
  border-color: transparent;
  color: #fff;
}
.timeline-highlight .timeline-title { color: #fff; }
.timeline-highlight .timeline-text  { color: rgba(213,232,219,.85); }
.timeline-highlight .timeline-date  { color: var(--earth-300); }

.timeline-date  { font-size: .8rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--earth-500); }
.timeline-title { margin-top: .5rem; font-family: Fraunces, Georgia, serif; font-size: 1.5rem; font-weight: 600; color: var(--forest-900); }
.timeline-text  { margin-top: .5rem; line-height: 1.65; color: rgba(16,44,31,.7); }

.status-badge { padding: .2rem .65rem; border-radius: 999px; font-size: .7rem; font-weight: 700; }
.status-active    { background: var(--forest-100); color: var(--forest-700); }
.status-upcoming  { background: #eef0ee; color: #5b6b62; }
.status-highlight { background: var(--earth-400); color: var(--forest-950); }
.status-done      { background: #e6ebe7; color: #44564b; }

.workshop-days { margin-top: 1rem; display: grid; text-align: left; gap: .6rem; font-size: .9rem; line-height: 1.55; color: rgba(213,232,219,.85); }
.workshop-days li { padding: .75rem 1rem; border-radius: .9rem; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1); }
.workshop-days strong { display: block; margin-bottom: .15rem; color: var(--earth-300); font-size: .78rem; letter-spacing: .06em; text-transform: uppercase; }


@media (min-width: 768px) {
  .timeline::before { left: 50%; transform: translateX(-1px); }
  .timeline-item { grid-template-columns: 1fr 48px 1fr; gap: 2rem; }
  .timeline-dot { grid-column: 2; grid-row: 1; }
  .timeline-item:nth-child(odd)  .timeline-card { grid-column: 1; grid-row: 1; text-align: right; }
  .timeline-item:nth-child(odd)  .timeline-card > div:first-child { justify-content: flex-end; }
  .timeline-item:nth-child(odd)  .timeline-card:hover { transform: translateX(-4px); }
  .timeline-item:nth-child(even) .timeline-card { grid-column: 3; }
}

/* ---------- Form ---------- */
.tip { display: flex; gap: 1rem; padding: 1rem 1.1rem; border-radius: 1rem; background: #fff; border: 1px solid rgba(16,44,31,.07); }
.tip-icon { display: grid; place-items: center; flex-shrink: 0; width: 2.5rem; height: 2.5rem; border-radius: .75rem; background: var(--forest-50); font-size: 1.2rem; }

.form-card {
  padding: clamp(1.5rem, 4vw, 3rem);
  border-radius: 2rem;
  background: #fff;
  border: 1px solid rgba(16,44,31,.07);
  box-shadow: 0 40px 80px -50px rgba(16,44,31,.45);
}
.form-legend {
  display: flex; align-items: center; gap: .75rem; width: 100%;
  margin-bottom: 1.5rem;
  font-family: Fraunces, Georgia, serif; font-size: 1.35rem; font-weight: 600; color: var(--forest-900);
}
.form-legend::after { content: ""; flex: 1; height: 1px; background: rgba(16,44,31,.1); }

.field label:not(.type-option):not(.dropzone),
.field .label {
  display: block; margin-bottom: .5rem;
  font-size: .875rem; font-weight: 600; color: var(--forest-900);
}

.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea {
  width: 100%;
  padding: .85rem 1rem;
  border-radius: .9rem;
  border: 1.5px solid #e2e6e1;
  background: #fafbf9;
  font: inherit;
  color: var(--forest-950);
  transition: border-color .2s, box-shadow .2s, background-color .2s;
}
.field textarea { resize: vertical; min-height: 130px; line-height: 1.6; }
.field input::placeholder, .field textarea::placeholder { color: #9aa59e; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  background: #fff;
  border-color: var(--forest-500);
  box-shadow: 0 0 0 4px rgba(47,122,79,.12);
}

.select-wrap { position: relative; }
.select-wrap select { appearance: none; -webkit-appearance: none; padding-right: 2.75rem; cursor: pointer; }
.select-wrap::after {
  content: ""; position: absolute; right: 1.1rem; top: 50%;
  width: .55rem; height: .55rem;
  border-right: 2px solid var(--forest-600); border-bottom: 2px solid var(--forest-600);
  transform: translateY(-70%) rotate(45deg);
  pointer-events: none;
}

.type-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: .65rem; }
@media (min-width: 640px) { .type-grid { grid-template-columns: repeat(4, 1fr); } }
.type-option { position: relative; cursor: pointer; }
.type-option input { position: absolute; opacity: 0; pointer-events: none; }
.type-option span {
  display: flex; align-items: center; justify-content: center; gap: .4rem;
  padding: .85rem .75rem;
  border-radius: .9rem;
  border: 1.5px solid #e2e6e1;
  background: #fafbf9;
  font-size: .9rem; font-weight: 600; color: rgba(16,44,31,.8);
  transition: all .2s;
}
.type-option:hover span { border-color: var(--forest-300); background: var(--forest-50); }
.type-option input:checked + span {
  border-color: var(--forest-600);
  background: var(--forest-600);
  color: #fff;
  box-shadow: 0 8px 20px -10px rgba(34,98,63,.7);
}
.type-option input:focus-visible + span { box-shadow: 0 0 0 4px rgba(47,122,79,.25); }

.dropzone {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 2.5rem 1.5rem;
  text-align: center;
  border-radius: 1.25rem;
  border: 2px dashed #c9d3cc;
  background:
    repeating-linear-gradient(135deg, transparent 0 14px, rgba(47,122,79,.025) 14px 28px),
    #fafbf9;
  cursor: pointer;
  transition: border-color .2s, background-color .2s, transform .2s;
}
.dropzone:hover, .dropzone.is-dragover { border-color: var(--forest-500); background-color: var(--forest-50); }
.dropzone.is-dragover { transform: scale(1.01); }
.dropzone:focus-within { border-color: var(--forest-500); box-shadow: 0 0 0 4px rgba(47,122,79,.12); }

.preview-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: .75rem; margin-top: .75rem; }
.preview-list:empty { display: none; }
.preview-item { position: relative; overflow: hidden; border-radius: 1rem; aspect-ratio: 4 / 3; background: var(--forest-50); animation: fadeUp .3s ease-out; }
.preview-item img { width: 100%; height: 100%; object-fit: cover; }
.preview-item figcaption {
  position: absolute; inset: auto 0 0 0;
  padding: 1.5rem .6rem .5rem;
  background: linear-gradient(transparent, rgba(10,28,20,.8));
  font-size: .7rem; color: #fff;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.preview-remove {
  position: absolute; top: .4rem; right: .4rem;
  display: grid; place-items: center;
  width: 1.75rem; height: 1.75rem; border-radius: 50%;
  background: rgba(255,255,255,.92); color: var(--forest-900);
  font-size: 1rem; line-height: 1;
  transition: background-color .2s, color .2s;
}
.preview-remove:hover { background: #b42318; color: #fff; }

.field-error { display: none; margin-top: .4rem; font-size: .8rem; font-weight: 500; color: #b42318; }
.has-error .field-error, .field-error.is-visible { display: block; }
.has-error input[type="text"], .has-error input[type="email"], .has-error input[type="tel"], .has-error select, .has-error textarea, .has-error .dropzone { border-color: #e5847b; background: #fff8f7; }
.has-error .type-option span { border-color: #f0b4ae; }

.form-alert {
  display: flex; align-items: flex-start; gap: .75rem;
  margin-bottom: 2rem; padding: .9rem 1.1rem;
  border: 1px solid #f0b4ae; border-radius: 1rem;
  background: #fff8f7; color: #b42318;
  font-size: .9rem; font-weight: 500; line-height: 1.5;
}
.form-alert[hidden] { display: none; }
.form-alert::before {
  content: "!";
  display: grid; place-items: center; flex-shrink: 0;
  width: 1.4rem; height: 1.4rem; border-radius: 50%;
  background: #b42318; color: #fff;
  font-size: .8rem; font-weight: 700;
}

/* Gönderim sırasında: Tailwind hover sınıflarını ezmek için .form-card ile özgüllük artırıldı */
.form-card .submit-btn:disabled { cursor: progress; opacity: .75; transform: none; background-color: var(--forest-600); box-shadow: none; }
.form-card .submit-btn[aria-busy="true"] svg { display: none; }
.form-card .submit-btn[aria-busy="true"]::before {
  content: "";
  width: 1.1rem; height: 1.1rem; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.35); border-top-color: #fff;
  animation: spin .8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.form-card button[type="reset"]:disabled { cursor: not-allowed; opacity: .4; }

/* ---------- Footer ---------- */
.footer-glow {
  position: absolute; top: -40%; left: 50%;
  width: 900px; height: 500px; transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(47,122,79,.35), transparent);
  pointer-events: none;
}
.footer-heading { font-size: .75rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--earth-300); }
.footer-link { color: rgba(213,232,219,.8); transition: color .2s; }
.footer-link:hover { color: #fff; }


/* ---------- KVKK modal ---------- */
.kvkk-link {
  display: inline;
  padding: 0;
  font: inherit;
  font-weight: 600;
  color: var(--forest-700);
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}
.kvkk-link:hover { color: var(--forest-900); }

.modal {
  width: min(42rem, calc(100% - 2rem));
  max-height: min(85vh, 50rem);
  margin: auto;
  padding: 0;
  border: 0;
  border-radius: 1.75rem;
  background: #fff;
  color: var(--forest-950);
  box-shadow: 0 40px 100px -30px rgba(10, 28, 20, .55);
  overflow: hidden;
}
.modal::backdrop {
  background: rgba(10, 28, 20, .55);
  backdrop-filter: blur(3px);
  -webkit-backdrop-filter: blur(3px);
}
.modal[open]            { animation: modalIn .28s cubic-bezier(.2,.8,.2,1); }
.modal[open]::backdrop  { animation: backdropIn .28s ease-out; }
.modal.is-closing           { animation: modalOut .2s ease-in forwards; }
.modal.is-closing::backdrop { animation: backdropOut .2s ease-in forwards; }

@keyframes modalIn    { from { opacity: 0; transform: translateY(16px) scale(.97); } }
@keyframes modalOut   { to   { opacity: 0; transform: translateY(10px) scale(.98); } }
@keyframes backdropIn { from { opacity: 0; } }
@keyframes backdropOut{ to   { opacity: 0; } }

.modal-panel { display: flex; flex-direction: column; max-height: inherit; }

.modal-header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem;
  padding: 1.75rem 1.75rem 1.25rem;
  border-bottom: 1px solid rgba(16,44,31,.08);
  background: linear-gradient(180deg, var(--forest-50), #fff);
}
.modal-close {
  display: grid; place-items: center; flex-shrink: 0;
  width: 2.5rem; height: 2.5rem; border-radius: 50%;
  background: #fff;
  border: 1px solid rgba(16,44,31,.12);
  color: var(--forest-900);
  transition: background-color .2s, color .2s, transform .2s;
}
.modal-close:hover { background: var(--forest-900); color: #fff; transform: rotate(90deg); }

.modal-body {
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 1.5rem 1.75rem;
  font-size: .95rem;
  line-height: 1.7;
  color: rgba(16,44,31,.78);
}
.modal-body h3 {
  margin-top: 1.5rem;
  font-family: Fraunces, Georgia, serif;
  font-size: 1.1rem; font-weight: 600;
  color: var(--forest-900);
}
.modal-body h3 + p { margin-top: .4rem; }
.modal-body a { font-weight: 600; color: var(--forest-700); text-decoration: underline; text-underline-offset: 2px; word-break: break-all; }

.modal-footer {
  display: flex; justify-content: flex-end;
  padding: 1rem 1.75rem calc(1rem + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid rgba(16,44,31,.08);
  background: var(--sand);
}

html.modal-open { overflow: hidden; }

@media (max-width: 480px) {
  .modal-header, .modal-body, .modal-footer { padding-left: 1.25rem; padding-right: 1.25rem; }
  .modal-footer button { width: 100%; }
}

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 1.25rem; bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px)); z-index: 40;
  display: grid; place-items: center;
  width: 3rem; height: 3rem; border-radius: 50%;
  background: var(--forest-600); color: #fff;
  box-shadow: 0 12px 24px -8px rgba(16,44,31,.5);
  transition: transform .2s, background-color .2s;
}
.to-top:hover { background: var(--forest-700); transform: translateY(-3px); }

/* ---------- Scroll reveal ---------- */
/* Only hidden when JS is running, so content never disappears without it */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.js .reveal.is-visible { opacity: 1; transform: none; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } }

/* ---------- Accessibility ---------- */
:focus-visible { outline: 3px solid var(--earth-400); outline-offset: 2px; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
  .reveal { opacity: 1; transform: none; }
}