/* =============================================================================
   Füsiberay — Kurumsal / resmi topluluk (krem zemin + polis laciverti)
   ============================================================================= */

:root {
  --bg-page:           #f5f3ee;
  --bg-raised:         #ffffff;
  --primary:           #2c4a63;
  --primary-hover:     #1f3447;
  --accent:            #4a7dbd;
  --accent-dim:        rgba(74, 125, 189, 0.15);
  --text-muted:        #5c6570;
  --border-dim:        rgba(44, 74, 99, 0.10);
  --border-strong:     rgba(44, 74, 99, 0.22);
  --focus:             rgba(74, 125, 189, 0.40);
  --terminal-bg:       #2c4a63;
  --terminal-chrome:   #1f3447;
  --terminal-text:     #e6edf3;
  --shadow-soft:       0 2px 12px rgba(44, 74, 99, 0.07);
  --shadow-card:       0 6px 20px rgba(0, 0, 0, 0.05);
  --shadow-card-hover: 0 12px 32px rgba(44, 74, 99, 0.12);
}

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

html {
  scroll-behavior: smooth;
}

body.site-body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--text-muted);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  background: #f5f3ee;
  position: relative;
  isolation: isolate;
}

/* === Arka plan katmanları: çok hafif nokta pattern + grid + glow + watermark === */

.cyber-bg-base {
  position: fixed;
  inset: 0;
  z-index: -4;
  pointer-events: none;
  opacity: 0.55;
  background-image: radial-gradient(rgba(47, 62, 79, 0.04) 0.6px, transparent 0.6px);
  background-size: 22px 22px;
}

.cyber-grid-anim {
  position: fixed;
  inset: -40%;
  z-index: -3;
  pointer-events: none;
  background-image: linear-gradient(rgba(47, 62, 79, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47, 62, 79, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.45;
  animation: grid-pan 90s linear infinite;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 40%, black 20%, transparent 75%);
}

@keyframes grid-pan {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(-48px, -48px);
  }
}

.cyber-glow {
  position: fixed;
  width: min(65vw, 480px);
  height: min(65vw, 480px);
  border-radius: 50%;
  filter: blur(64px);
  pointer-events: none;
  z-index: -2;
  opacity: 0.22;
}

.cyber-glow--tl {
  top: -14%;
  left: -10%;
  background: radial-gradient(circle, rgba(74, 107, 138, 0.1) 0%, transparent 70%);
}

.cyber-glow--br {
  bottom: -18%;
  right: -12%;
  background: radial-gradient(circle, rgba(47, 62, 79, 0.07) 0%, transparent 72%);
}

.watermark-layer {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: url("./fusiberay.png") center 38% / min(55vw, 380px) no-repeat;
  opacity: 0.04;
  filter: grayscale(0.2) contrast(1.05);
  background-attachment: fixed;
}

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

/* === Yardımcı === */

.hidden {
  display: none !important;
}

main {
  padding: 0 1rem 2rem;
}

.container {
  width: 100%;
  max-width: 72rem;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1rem;
  padding-right: 1rem;
}

.mt-3 {
  margin-top: 0.75rem;
}

.mt-10 {
  margin-top: 2.5rem;
}

/* === Üst bar === */

.site-header {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border-dim);
  background: rgba(245, 243, 238, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 16px rgba(36, 52, 71, 0.05);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.site-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-brand__logo {
  height: 2.5rem;
  width: auto;
}

.site-brand__title {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: -0.3px;
}

.site-brand__sub {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.site-nav {
  display: none;
  align-items: center;
  gap: 1.5rem;
}

.site-menu-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.85rem;
  border-radius: 10px;
  border: 1px solid var(--border-dim);
  background: var(--bg-raised);
  color: var(--primary);
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.site-menu-btn:hover {
  background: var(--bg-page);
  border-color: var(--border-strong);
}

@media (min-width: 768px) {
  .site-nav {
    display: flex;
  }
  .site-menu-btn {
    display: none;
  }
}

.site-mobile-menu {
  display: none;
  border-top: 1px solid var(--border-dim);
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(8px);
}

.site-mobile-menu:not(.hidden) {
  display: block;
}

.site-mobile-menu__inner {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

@media (min-width: 768px) {
  .site-mobile-menu {
    display: none !important;
  }
}

.site-mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

/* === Gezinme linkleri === */

.nav-link {
  font-size: 0.95rem;
  color: var(--secondary);
  text-decoration: none;
  padding: 0.35rem 0;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}

.nav-link:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.nav-link:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-bottom-color: transparent;
}

.mobile-nav-link {
  display: block;
  padding: 0.75rem 0.25rem;
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border-dim);
  font-weight: 500;
}

.mobile-nav-link:last-child {
  border-bottom: 0;
}

.mobile-nav-link:hover {
  color: var(--accent);
}

/* === Hero === */

.hero-section {
  position: relative;
  overflow: hidden;
  padding-top: 7rem;
}

.hero-ambient {
  display: none;
}

.hero-section__inner {
  position: relative;
  z-index: 1;
  padding-bottom: 2rem;
}

.hero-panel {
  position: relative;
  z-index: 1;
  border-radius: 1.125rem;
  border: 1px solid var(--border-dim);
  background: #ffffff;
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
}

@media (min-width: 768px) {
  .hero-panel {
    padding: 2.5rem;
  }
}

.hero-grid {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
  align-items: stretch;
}

@media (min-width: 900px) {
  .hero-grid {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}

.hero-copy {
  max-width: 48rem;
}

.hero-kicker {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--secondary);
}

.hero-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.75rem;
  margin-top: 0.75rem;
}

.hero-title {
  margin: 0;
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: clamp(1.75rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.5px;
  color: var(--primary);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
}

.hero-hash {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.85;
}

.hero-lead {
  margin-top: 1rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-muted);
}

@media (min-width: 768px) {
  .hero-lead {
    font-size: 1.125rem;
  }
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* === Bölümler: cam panel (hero hariç) === */

main > section:not(.hero-section) {
  position: relative;
  z-index: 0;
  background: transparent;
  border-radius: 20px;
  margin: 0 auto 2.5rem;
  max-width: 72rem;
  padding: clamp(1.75rem, 5vw, 3.75rem);
}

main > section:not(.hero-section).section-surface-white,
main > section:not(.hero-section).section-surface-muted,
main > section:not(.hero-section).section-surface-gradient {
  background: transparent;
}

.section-block {
  padding-top: 0;
  padding-bottom: 0;
}

@media (min-width: 768px) {
  .section-block {
    padding-top: 0;
    padding-bottom: 0;
  }
}

.about-intro {
  display: grid;
  gap: 1.5rem;
}

@media (min-width: 900px) {
  .about-intro {
    grid-template-columns: 1fr minmax(240px, 320px);
    align-items: start;
  }
}

.section-intro {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
}

.section-intro__text {
  max-width: 42rem;
}

.section-heading-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 0.75rem;
  margin-bottom: 0.35rem;
}

.section-hash {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  color: var(--text-muted);
  opacity: 0.85;
}

.prose-muted {
  color: var(--text-muted);
  line-height: 1.65;
}

.section-title {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--primary);
  display: inline-block;
  padding-bottom: 0;
  border-bottom: none;
}

.section-title::after {
  content: "";
  width: 48px;
  height: 3px;
  background: var(--accent);
  display: block;
  margin-top: 10px;
  border-radius: 2px;
}

.section-title--inline {
  margin-bottom: 0;
}

.card-title {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--primary);
}

.card-heading {
  padding-right: 4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

.card-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 0.25rem;
}

.stack-tight {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.stack-list {
  margin: 0.75rem 0 0;
  padding: 0;
  list-style: none;
}

.stack-list--sm {
  font-size: 0.875rem;
}

.stack-list--sm .list-row {
  margin-bottom: 0.5rem;
}

.list-row {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
}

/* === Kartlar === */

.content-card {
  position: relative;
  border-radius: 16px;
  border: 1px solid rgba(44, 74, 99, 0.10);
  background: #ffffff;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.content-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: var(--accent);
  box-shadow: var(--shadow-card-hover);
}

.about-intro__side .content-card {
  background: #ffffff;
}

.card-grid .content-card:nth-child(2n) {
  background: #ffffff;
}

.content-card--pad {
  padding: 1.5rem;
}

.content-card--static:hover {
  transform: translateY(-3px) scale(1.005);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(47, 62, 79, 0.1);
}

.content-card--flush {
  padding: 0;
  overflow: hidden;
}

.card-corner-tag {
  position: absolute;
  top: 0.65rem;
  right: 0.75rem;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(36, 52, 71, 0.07);
  padding: 0.2rem 0.45rem;
  border-radius: 6px;
  pointer-events: none;
}

.content-card .card-title {
  padding-right: 5rem;
}

.card-grid {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.5rem;
}

.card-grid--tight {
  margin-top: 2.5rem;
}

@media (min-width: 768px) {
  .card-grid,
  .card-grid--tight {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* Faaliyet kartları */

.activity-card {
  position: relative;
  border-radius: 16px;
  border: 1px solid rgba(44, 74, 99, 0.10);
  border-left: 3px solid rgba(44, 74, 99, 0.22);
  background: #ffffff;
  padding: 1.25rem;
  padding-top: 1.5rem;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-card);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.activity-card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: var(--accent);
  border-left-color: var(--accent);
  box-shadow: var(--shadow-card-hover);
}

.activity-top {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.activity-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-dim);
  border-radius: 12px;
  background: var(--bg-page);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.activity-icon svg {
  display: block;
}

.activity-title {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: var(--primary);
  padding-right: 4.5rem;
}

.activity-text {
  margin-top: 0.75rem;
  color: var(--text-muted);
  line-height: 1.55;
  font-size: 0.95rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.bullet {
  width: 8px;
  height: 8px;
  margin-top: 0.35rem;
  border-radius: 2px;
  background: var(--primary);
  opacity: 0.45;
  flex-shrink: 0;
}

.activity-hover-note {
  margin-top: 0.6rem;
  padding-top: 0.55rem;
  border-top: 1px dashed rgba(47, 62, 79, 0.15);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  line-height: 1.35;
  color: var(--secondary);
  opacity: 0;
  transform: translateY(6px);
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.activity-card:hover .activity-hover-note {
  opacity: 1;
  transform: translateY(0);
  max-height: 3rem;
}

.terminal-inline {
  margin-top: 0.9rem;
  padding-top: 0.75rem;
  border-top: 1px dashed rgba(148, 163, 184, 0.25);
  font-family: "JetBrains Mono", monospace;
  font-size: 0.75rem;
  line-height: 1.4;
  color: var(--text-muted);
  opacity: 0.85;
}

/* Duyurular */

.announce-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.announce-item {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-dim);
}

.announce-item:last-child {
  border-bottom: 0;
}

.announce-item__head {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

@media (min-width: 768px) {
  .announce-item__head {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
  }
}

.announce-date {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
}

.announce-title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-muted);
}

.announce-body {
  margin: 0.5rem 0 0;
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.55;
}

/* === Butonlar === */

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 0.75rem 1.15rem;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  color: #fff !important;
  border: 1px solid transparent;
  background: var(--primary);
  box-shadow: 0 6px 18px rgba(44, 74, 99, 0.25);
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.btn-primary:hover {
  transform: translateY(-2px);
  background: var(--primary-hover);
  box-shadow: 0 10px 24px rgba(44, 74, 99, 0.30);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  padding: 0.75rem 1.15rem;
  font-weight: 600;
  font-size: 0.9375rem;
  text-decoration: none;
  color: var(--primary) !important;
  border: 1px solid var(--border-strong);
  background: var(--bg-raised);
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.btn-secondary:hover {
  transform: translateY(-1px);
  background: var(--bg-page);
  border-color: var(--accent);
  color: var(--accent) !important;
  box-shadow: var(--shadow-soft);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
}

/* === Terminal === */

.terminal-box {
  position: relative;
  width: 100%;
  max-width: 22rem;
  margin-left: auto;
  margin-right: auto;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(74, 125, 189, 0.20);
  background: var(--terminal-bg);
  color: var(--terminal-text);
  box-shadow: var(--shadow-card);
}

@media (min-width: 900px) {
  .terminal-box {
    margin-left: 0;
    margin-right: 0;
  }
}

.terminal-chrome {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.65rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--terminal-chrome);
}

.terminal-header {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot.red {
  background: #ff5f56;
}

.terminal-dot.yellow {
  background: #ffbd2e;
}

.terminal-dot.green {
  background: #27c93f;
}

.terminal-chrome-title {
  flex: 1;
  min-width: 0;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  color: rgba(248, 250, 252, 0.9);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.terminal-body {
  position: relative;
  background: var(--terminal-bg);
  color: var(--terminal-text);
  padding: 0.65rem 0.75rem 0.75rem;
}

.terminal-binary {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.04;
  pointer-events: none;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.62rem;
  line-height: 1.15;
  color: rgba(255, 255, 255, 0.35);
}

.terminal-binary pre {
  margin: 0;
  padding: 8px 10px;
  white-space: pre;
}

.terminal-content {
  position: relative;
  z-index: 1;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 14px;
  line-height: 1.6;
  color: var(--terminal-text);
}

.terminal-output--muted {
  color: rgba(203, 213, 225, 0.75);
  font-size: 0.7rem;
  line-height: 1.45;
}

/* === Terminal semantik renk sınıfları === */

.terminal-line {
  margin-bottom: 6px;
  font-weight: 400;
  color: #c9d1d9; /* varsayılan çıktı rengi */
}

/* $ işareti — kırmızı prompt */
.terminal-line .prompt {
  color: #ff6b6b;
  font-weight: 600;
  margin-right: 0.4em;
  user-select: none;
}

/* komut metni — açık mavi */
.terminal-line .command {
  color: #9ecbff;
  font-weight: 500;
}

/* normal çıktı */
.terminal-line.output {
  color: #c9d1d9;
}

/* önemli / vurgu — sarı */
.terminal-line .hl,
.terminal-line.highlight {
  color: #ffd166;
}

/* başarılı durum — yeşil */
.terminal-line.success {
  color: #4ade80;
}

/* hata / kritik — kırmızı */
.terminal-line.error {
  color: #ff6b6b;
}

.terminal-output {
  margin-top: 0.15rem;
  color: #c9d1d9;
}

.terminal-spacer {
  height: 6px;
}

.terminal-cursor {
  display: inline-block;
  width: 0.45em;
  height: 1em;
  margin-left: 2px;
  vertical-align: text-bottom;
  background: #e5e7eb;
  animation: terminalBlink 1s steps(2, start) infinite;
}

@keyframes terminalBlink {
  50% {
    opacity: 0;
  }
}

.terminal-typed {
  display: inline-block;
  min-width: 0.5ch;
  white-space: pre;
}

.micro-hints {
  margin-top: 1rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.micro-hint {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.62rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(36, 52, 71, 0.07);
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  white-space: nowrap;
}

.tag {
  display: inline-block;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--primary);
  background: rgba(36, 52, 71, 0.07);
  padding: 0.25rem 0.55rem;
  border-radius: 6px;
}

/* Marquee + divider */

.terminal-marquee-strip {
  overflow: hidden;
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
  background: transparent;
}

.terminal-marquee-strip--alt {
  background: transparent;
}

.terminal-marquee {
  display: flex;
  width: max-content;
  animation: terminal-marquee-x 48s linear infinite;
  font-family: "JetBrains Mono", monospace;
  font-size: 0.72rem;
  letter-spacing: 1px;
  font-weight: 500;
  color: var(--primary);
  opacity: 0.30;
  padding: 0.35rem 0;
}

.terminal-marquee--reverse {
  animation-direction: reverse;
  animation-duration: 56s;
}

.terminal-marquee__group {
  display: flex;
  align-items: center;
  gap: 2.75rem;
  padding-right: 2.75rem;
}

.terminal-marquee__group span {
  white-space: nowrap;
  letter-spacing: 1px;
  font-weight: 500;
}

@keyframes terminal-marquee-x {
  from {
    transform: translateX(0);
  }
  to {
    transform: translateX(-50%);
  }
}

.section-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1rem;
  height: 2.25rem;
}

.section-divider__line {
  flex: 1;
  height: 1px;
  background: var(--border-dim);
}

.section-divider__icon {
  display: flex;
  color: var(--accent);
  opacity: 0.55;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border-dim);
  background: var(--bg-page);
  box-shadow: 0 -2px 12px rgba(36, 52, 71, 0.04);
}

.site-footer__inner {
  padding-top: 2.5rem;
  padding-bottom: 2.5rem;
}

.site-footer__row {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: flex-start;
  justify-content: space-between;
}

@media (min-width: 768px) {
  .site-footer__row {
    flex-direction: row;
    align-items: center;
  }
}

.site-footer__brand {
  font-family: "Space Grotesk", "Inter", sans-serif;
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--primary);
}

.site-footer__sub {
  margin-top: 0.25rem;
  font-size: 0.875rem;
  color: var(--text-muted);
}

.social-links-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

a.social-btn {
  color: var(--primary) !important;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border-dim);
  background: var(--bg-raised);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 600;
  transition: background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.social-btn:hover {
  color: var(--primary-hover) !important;
  background: var(--bg-page);
  border-color: var(--border-strong);
}

.social-icon-svg--linkedin {
  color: var(--secondary);
}

.social-icon-svg--instagram {
  color: var(--text-muted);
}

.site-footer__legal {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-dim);
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* === QR Kod === */

.qr-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  transition: transform 0.3s ease;
}

.qr-box:hover {
  transform: translateY(-2px);
}

.qr-box img {
  width: 110px;
  height: 110px;
  object-fit: contain;
  border-radius: 12px;
  border: 1px solid var(--border-dim);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.06);
  background: #ffffff;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.qr-box img:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 22px rgba(0, 0, 0, 0.10);
}

.qr-box p {
  margin: 0;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: "JetBrains Mono", monospace;
  letter-spacing: 0.02em;
  opacity: 0.75;
}

/* Skip link */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: 10px 12px;
  border: 1px solid var(--border-dim);
  background: var(--bg-raised);
  color: var(--primary);
  border-radius: 8px;
  z-index: 100;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
  outline: 2px solid var(--focus);
}

/* Başlıklar */

h1,
h2,
h3 {
  font-family: "Space Grotesk", "Inter", sans-serif;
  color: var(--primary);
  font-weight: 700;
  letter-spacing: -0.5px;
}

/* Genel link rengi (buton / sosyal istisna) */

.site-body a:hover {
  color: var(--accent);
}

a.btn-primary:hover {
  color: #fff !important;
}

a.btn-secondary:hover {
  color: var(--primary) !important;
}

a.social-btn:hover {
  color: var(--primary-hover) !important;
}

.skip-link:hover {
  color: var(--primary) !important;
}

/* Reveal */

.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.is-reveal-hidden {
  opacity: 0;
  transform: translateY(14px);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal.is-reveal-hidden,
  .reveal.is-visible {
    transition: none;
    opacity: 1;
    transform: none;
  }
  .terminal-marquee {
    animation: none;
  }
  .social-btn:hover {
    transform: none;
  }
  .btn-primary:hover,
  .btn-secondary:hover {
    transform: none;
  }
  .content-card:hover,
  .activity-card:hover {
    transform: none;
  }
}

/* =============================================================================
   Responsive — Mobil (max 767px)
   ============================================================================= */

/* Global image rule */
img {
  max-width: 100%;
  height: auto;
}

@media (max-width: 767px) {

  /* Ana padding */
  main {
    padding: 0 0 1.5rem;
  }

  /* Section'lar */
  main > section:not(.hero-section) {
    border-radius: 12px;
    margin: 0 0.75rem 1.75rem;
    padding: 1.5rem 1.25rem;
  }

  /* Hero */
  .hero-section {
    padding-top: 5.5rem;
  }

  .hero-section__inner {
    padding-bottom: 1.25rem;
  }

  .hero-panel {
    padding: 1.25rem 1rem;
    border-radius: 0.875rem;
  }

  .hero-grid {
    gap: 1.75rem;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-kicker {
    text-align: center;
  }

  .hero-title-row {
    justify-content: center;
  }

  h1.hero-title {
    font-size: 1.65rem;
    line-height: 1.25;
    letter-spacing: -0.3px;
  }

  .hero-lead {
    font-size: 0.9375rem;
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
    gap: 0.6rem;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }

  .micro-hints {
    justify-content: center;
  }

  /* Terminal */
  .terminal-box {
    max-width: 100%;
    font-size: 12px;
    border-radius: 10px;
  }

  .terminal-content {
    font-size: 12px;
  }

  /* Section başlıkları */
  .section-title {
    font-size: 1.5rem;
  }

  /* Kartlar — tek sütun */
  .card-grid,
  .card-grid--tight {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-top: 1.5rem;
  }

  /* About grid — tek sütun */
  .about-intro {
    grid-template-columns: 1fr;
  }

  /* Announce */
  .announce-item {
    padding: 1rem 1.25rem;
  }

  /* Footer */
  .site-footer__inner {
    padding-top: 1.75rem;
    padding-bottom: 1.75rem;
  }

  .site-footer__row {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.25rem;
  }

  .site-footer__brand {
    font-size: 1rem;
  }

  .site-footer__sub {
    font-size: 0.775rem;
    /* Uzun metni iki satıra böl */
    max-width: 260px;
  }

  .social-links-row {
    justify-content: center;
  }

  .qr-box {
    align-items: center;
  }

  .qr-box img {
    width: 96px;
    height: 96px;
  }

  /* Brand logosu */
  .site-brand__logo {
    height: 2rem;
  }

  .site-brand__sub {
    font-size: 0.75rem;
    /* Çok uzun ise gizle */
    display: none;
  }

  /* Duyurular başlık satırı */
  .announce-item__head {
    flex-direction: column;
    gap: 0.15rem;
  }

  /* Buton: menü butonu biraz küçüt */
  .site-menu-btn {
    padding: 0.45rem 0.7rem;
    font-size: 0.8rem;
  }

  /* Reveal animasyon yok — performans */
  .reveal.is-reveal-hidden {
    opacity: 1;
    transform: none;
  }
}

/* Orta boy tablet (768–899px) */
@media (min-width: 768px) and (max-width: 899px) {

  .hero-grid {
    gap: 2rem;
  }

  .card-grid,
  .card-grid--tight {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .activity-card:nth-child(3) {
    grid-column: 1 / -1;
  }

  .site-footer__row {
    flex-wrap: wrap;
    gap: 1rem;
  }
}