/* =====================================================================
   Facultatea de Științe — UV "Vasile Alecsandri" Bacău
   Shared stylesheet · green + blue · light/dark · 2026
   ===================================================================== */

/* ---------- Tokens ---------- */
:root {
  --green: oklch(61.497% 0.14999 155.143);
  --green-2: oklch(67.153% 0.21629 142.016);
  --green-ink: oklch(49.171% 0.08389 186.101);
  --blue: oklch(60.844% 0.17429 253.395);
  --blue-2: oklch(0.59 0.18 254);
  --blue-ink: oklch(26.261% 0.07737 255.869);

  --bg: oklch(0.985 0.006 175);
  --bg-2: oklch(0.965 0.010 178);
  --surface: oklch(1 0 0);
  --surface-2: oklch(0.975 0.008 180);
  --ink: oklch(0.27 0.025 220);
  --ink-soft: oklch(0.50 0.020 220);
  --ink-faint: oklch(0.64 0.018 220);
  --line: oklch(0.91 0.012 200);
  --line-2: oklch(0.86 0.014 200);

  --green-tint: oklch(0.95 0.05 162);
  --blue-tint: oklch(0.94 0.06 252);

  --shadow-sm: 0 1px 2px oklch(0.4 0.03 220 / .06), 0 2px 8px oklch(0.4 0.03 220 / .05);
  --shadow-md: 0 4px 12px oklch(0.4 0.03 220 / .08), 0 12px 32px oklch(0.4 0.03 220 / .07);
  --shadow-lg: 0 8px 24px oklch(0.35 0.04 220 / .12), 0 30px 60px oklch(0.35 0.04 220 / .10);

  --r-sm: 10px;
  --r: 16px;
  --r-lg: 24px;
  --r-xl: 32px;

  --ff-display: "Space Grotesk", system-ui, sans-serif;
  --ff-body: "Manrope", system-ui, sans-serif;
  --maxw: 1200px;
}

[data-theme="dark"] {
  --green: oklch(0.66 0.145 162);
  --green-2: oklch(0.72 0.145 164);
  --green-ink: oklch(0.80 0.12 162);
  --blue: oklch(0.70 0.17 252);
  --blue-2: oklch(0.77 0.16 254);
  --blue-ink: oklch(0.82 0.135 252);

  --bg: oklch(0.18 0.022 220);
  --bg-2: oklch(0.21 0.024 222);
  --surface: oklch(27.746% 0.03508 223.865);
  --surface-2: oklch(29.17% 0.03237 189.168);
  --ink: oklch(0.95 0.010 200);
  --ink-soft: oklch(0.78 0.014 210);
  --ink-faint: oklch(0.62 0.016 215);
  --line: oklch(0.34 0.025 222);
  --line-2: oklch(0.40 0.028 224);

  --green-tint: oklch(0.32 0.07 162);
  --blue-tint: oklch(0.33 0.085 252);

  --shadow-sm: 0 1px 2px oklch(0 0 0 / .3), 0 2px 8px oklch(0 0 0 / .25);
  --shadow-md: 0 4px 14px oklch(0 0 0 / .35), 0 14px 36px oklch(0 0 0 / .3);
  --shadow-lg: 0 10px 30px oklch(0 0 0 / .45), 0 30px 70px oklch(0 0 0 / .4);
}

/* ---------- Reset ---------- */
* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--ff-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  transition: background .35s ease, color .35s ease;
}

h1,
h2,
h3,
h4 {
  font-family: var(--ff-display);
  font-weight: 600;
  line-height: 1.08;
  margin: 0;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button {
  font-family: inherit;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.narrow {
  max-width: 880px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in oklab, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(1.3);
  border-bottom: 1px solid var(--line);
}

.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  height: 70px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--ff-display);
  font-weight: 600;
  min-width: 0;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: #fff;
  font-size: 18px;
  letter-spacing: -.04em;
  background: linear-gradient(135deg, var(--green), var(--blue));
  box-shadow: var(--shadow-sm);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand-logo .fs-logo {
  height: 42px;
  width: auto;
  display: block;
}

.fs-logo {
  display: block;
}

.fs-logo--full {
  height: auto;
}

.brand-txt {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
  min-width: 0;
}

.brand-txt b {
  font-size: 16px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-txt span {
  font-size: 11.5px;
  color: var(--ink-soft);
  font-family: var(--ff-body);
  font-weight: 500;
  letter-spacing: 0;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.brand-txt b {
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 10px;
}

.navlink {
  padding: 8px 13px;
  border-radius: 10px;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--ink-soft);
  transition: .18s;
  white-space: nowrap;
}

.navlink:hover {
  color: var(--ink);
  background: var(--surface-2);
}

.navlink.active {
  color: var(--green-ink);
  background: var(--green-tint);
}

.nav-spacer {
  flex: 1;
}

.nav-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
}

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 11px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink-soft);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: .18s;
}

.icon-btn:hover {
  color: var(--ink);
  border-color: var(--blue);
  box-shadow: var(--shadow-sm);
}

.lang-switch {
  display: inline-flex;
  border: 1px solid var(--line-2);
  border-radius: 11px;
  overflow: hidden;
  background: var(--surface);
}

.lang-switch button {
  border: 0;
  background: transparent;
  padding: 0 11px;
  height: 40px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-faint);
  transition: .15s;
}

.lang-switch button.active {
  background: linear-gradient(135deg, var(--green), var(--blue));
  color: #fff;
}

.menu-btn {
  display: none;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 12px 22px;
  border-radius: 13px;
  font-weight: 700;
  font-size: 15px;
  border: 1px solid transparent;
  transition: .2s;
  white-space: nowrap;
}

.btn svg {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--green), var(--green-2));
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-blue {
  background: linear-gradient(135deg, var(--blue), var(--blue-2));
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-blue:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-ghost {
  background: var(--surface);
  color: var(--ink);
  border-color: var(--line-2);
}

.btn-ghost:hover {
  border-color: var(--blue);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 14px;
  font-size: 13.5px;
  border-radius: 10px;
}

/* ---------- Generic bits ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--ff-display);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--green-ink);
}

.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--green), var(--blue));
}

.eyebrow.blue {
  color: var(--blue-ink);
}

.section {
  padding: 78px 0;
}

.section-head {
  max-width: 680px;
  margin-bottom: 40px;
}

.section-head h2 {
  font-size: clamp(28px, 4vw, 40px);
  margin: 14px 0 12px;
}

.section-head p {
  color: var(--ink-soft);
  font-size: 17px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 12.5px;
  font-weight: 700;
  border: 1px solid var(--line-2);
  color: var(--ink-soft);
  background: var(--surface);
}

.pill.green {
  background: var(--green-tint);
  color: var(--green-ink);
  border-color: transparent;
}

.pill.blue {
  background: var(--blue-tint);
  color: var(--blue-ink);
  border-color: transparent;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: .25s;
}

a.card,
.card-hover {
  cursor: pointer;
}

a.card:hover,
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--line-2);
}

.icon-badge {
  width: 52px;
  height: 52px;
  border-radius: 15px;
  display: grid;
  place-items: center;
  font-size: 24px;
  flex: 0 0 auto;
}

.icon-badge.green {
  background: var(--green-tint);
  color: var(--green-ink);
}

.icon-badge.blue {
  background: var(--blue-tint);
  color: var(--blue-ink);
}

.icon-badge svg.ui-icon,
.big-icon svg.ui-icon {
  display: block;
  width: 1em;
  height: 1em;
}

.grid {
  display: grid;
  gap: 22px;
}

.g2 {
  grid-template-columns: repeat(2, 1fr);
}

.g3 {
  grid-template-columns: repeat(3, 1fr);
}

.g4 {
  grid-template-columns: repeat(4, 1fr);
}

.arrow-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 700;
  color: var(--blue-ink);
  font-size: 14.5px;
}

.arrow-link svg {
  width: 16px;
  height: 16px;
  transition: transform .2s;
}

.arrow-link:hover svg {
  transform: translateX(4px);
}

/* placeholder image */
.ph {
  position: relative;
  border-radius: var(--r);
  overflow: hidden;
  background:
    repeating-linear-gradient(135deg, color-mix(in oklab, var(--blue) 16%, transparent) 0 10px, transparent 10px 20px),
    var(--surface-2);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
}

.ph.green {
  background:
    repeating-linear-gradient(135deg, color-mix(in oklab, var(--green) 16%, transparent) 0 10px, transparent 10px 20px),
    var(--surface-2);
}

.ph::after {
  content: attr(data-label);
  font-family: "Space Grotesk", monospace;
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-faint);
  background: var(--surface);
  padding: 5px 11px;
  border-radius: 100px;
  border: 1px solid var(--line);
  letter-spacing: .02em;
}

.avatar {
  border-radius: 50%;
  aspect-ratio: 1;
}

.avatar::after {
  font-size: 10px;
  padding: 3px 8px;
}

/* breadcrumbs */
.crumbs {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13.5px;
  color: var(--ink-faint);
  padding: 18px 0 0;
}

.crumbs a:hover {
  color: var(--blue-ink);
}

.crumbs span {
  opacity: .5;
}

/* hero cu fundal tematic (hub-uri) */
.hero-themed {
  position: relative;
  overflow: hidden;
}

.hero-themed>.container {
  position: relative;
  z-index: 1;
}

.hero-deco {
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.hero-deco svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-themed.green {
  background:
    radial-gradient(78% 130% at 4% -20%, color-mix(in oklab, var(--green) 26%, transparent), transparent 60%),
    radial-gradient(60% 110% at 100% 0%, color-mix(in oklab, var(--green) 13%, transparent), transparent 58%);
}

.hero-themed.blue {
  background:
    radial-gradient(78% 130% at 4% -20%, color-mix(in oklab, var(--blue) 26%, transparent), transparent 60%),
    radial-gradient(60% 110% at 100% 0%, color-mix(in oklab, var(--blue) 13%, transparent), transparent 58%);
}

.hero-themed.green .hero-deco {
  color: var(--green);
}

.hero-themed.blue .hero-deco {
  color: var(--blue);
}

/* page hero (inner) */
.page-hero {
  padding: 46px 0 10px;
}

.page-hero h1 {
  font-size: clamp(32px, 5vw, 52px);
  margin: 14px 0;
}

.page-hero p.lead {
  font-size: 18px;
  color: var(--ink-soft);
  max-width: 680px;
}

/* search field */
.searchbox {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--surface);
  border: 1px solid var(--line-2);
  border-radius: 14px;
  padding: 13px 18px;
  box-shadow: var(--shadow-sm);
}

.searchbox input {
  border: 0;
  background: transparent;
  outline: 0;
  font: inherit;
  color: var(--ink);
  flex: 1;
}

.searchbox input::placeholder {
  color: var(--ink-faint);
}

.searchbox svg {
  width: 20px;
  height: 20px;
  color: var(--ink-faint);
  flex: 0 0 auto;
}

/* table */
.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

table.tbl {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  min-width: 520px;
}

table.tbl th,
table.tbl td {
  padding: 13px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

table.tbl th {
  font-family: var(--ff-display);
  font-weight: 600;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--ink-soft);
  background: var(--surface-2);
}

table.tbl tr:last-child td {
  border-bottom: 0;
}

table.tbl tbody tr {
  transition: .15s;
}

table.tbl tbody tr:hover {
  background: var(--surface-2);
}

/* footer */
.site-footer {
  background: var(--bg-2);
  border-top: 1px solid var(--line);
  padding: 60px 0 30px;
  margin-top: 40px;
}

.foot-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 36px;
}

.foot-grid h4 {
  font-family: var(--ff-display);
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ink-soft);
  margin-bottom: 14px;
}

.foot-links {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.foot-links a {
  color: var(--ink-soft);
  font-size: 14.5px;
}

.foot-links a:hover {
  color: var(--green-ink);
}

.foot-bottom {
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  color: var(--ink-faint);
  font-size: 13.5px;
}

/* utilities */
.flow>*+* {
  margin-top: 16px;
}

.muted {
  color: var(--ink-soft);
}

.center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.divider {
  height: 1px;
  background: var(--line);
  border: 0;
  margin: 0;
}

@keyframes revealIn {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.reveal {
  animation: revealIn .7s cubic-bezier(.22, .61, .36, 1) both;
}

.reveal.in {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    animation: none;
  }
}

/* ---------- Responsive ---------- */
@media(max-width:980px) {
  .foot-grid {
    grid-template-columns: 1fr 1fr;
  }

  .g4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .g3 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media(max-width:760px) {
  .container {
    padding: 0 16px;
  }

  .nav {
    gap: 10px;
  }

  .brand {
    flex: 1 1 auto;
    gap: 8px;
  }

  .brand-logo .fs-logo {
    height: 34px;
  }

  .brand-txt b {
    font-size: 13.5px;
    overflow: visible;
    text-overflow: clip;
  }

  .brand-txt span {
    font-size: 10px;
  }

  .brand-txt b,
  .brand-txt span {
    max-width: 100%;
  }

  .nav-tools {
    gap: 6px;
  }

  .icon-btn {
    width: 38px;
    height: 38px;
  }

  .lang-switch button {
    height: 38px;
    padding: 0 9px;
  }

  .nav-links {
    position: fixed;
    inset: 70px 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin-left: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    padding: 14px 24px 22px;
    transform: translateY(-130%);
    transition: transform .3s ease;
    box-shadow: var(--shadow-md);
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .navlink {
    padding: 12px 14px;
    font-size: 16px;
  }

  .menu-btn {
    display: grid;
  }

  .hide-mobile {
    display: none !important;
  }

  .g2,
  .g3,
  .g4 {
    grid-template-columns: 1fr;
  }

  .foot-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 54px 0;
  }
}