/* ============ Design Tokens ============ */
:root {
  --bg: #000000;
  --bg-elev: #0d0d0d;
  --border: #1f1f1f;
  --border-soft: #2a2a2a;
  --text: #ffffff;
  --text-muted: #8a8a8a;
  --text-dim: #5a5a5a;
  --accent: #ffffff;
  --radius: 14px;
  --radius-sm: 8px;
  --max: 1240px;
  --nav-h: 64px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Inter", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

button {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
}

/* ============ Navigation ============ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-h);
  background: rgba(0, 0, 0, 0.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}

.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 32px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand {
  font-weight: 700;
  letter-spacing: 0.08em;
  font-size: 15px;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
  position: relative;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 6px 0;
  transition: color .25s var(--ease);
  z-index: 1;
}

.nav-links a:hover {
  color: var(--text);
}

.nav-links a.active {
  color: var(--text);
}

/* 滑動底線指示器 */
.nav-slider {
  position: absolute;
  bottom: -4px;
  height: 2px;
  background: var(--text);
  transition: left .35s var(--ease), width .35s var(--ease);
  z-index: 0;
}

.nav-toggle {
  display: none;
}

/* ============ Section Base ============ */
section {
  padding: 120px 0 80px;
  border-bottom: 1px solid var(--border);
  scroll-margin-top: var(--nav-h);
}

section:last-of-type {
  border-bottom: none;
}

.section-label {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 24px;
}

.section-title {
  font-size: clamp(32px, 4.5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 20px;
}

.section-sub {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 640px;
  margin-bottom: 64px;
}

/* ============ Section 1: Hero & About ============ */
.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 64px;
  align-items: center;
  min-height: 60vh;
}

.hero-title {
  font-size: clamp(40px, 6vw, 72px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 18px;
}

.hero-sub {
  font-size: clamp(22px, 2.6vw, 32px);
  /* font-style: italic; */
  font-weight: 300;
  color: var(--text-muted);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.hero-edition {
  font-size: 14px;
  letter-spacing: 0.25em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.logo-circle {
  width: 100%;
  max-width: 380px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  background: radial-gradient(circle at 30% 30%, #1a1a1a 0%, #000 70%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  font-size: 28px;
  letter-spacing: 0.2em;
  color: var(--text-dim);
  position: relative;
  overflow: hidden;
}

.logo-circle::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, transparent 60%, rgba(255, 255, 255, 0.04) 100%);
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 80px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.about-text h2 {
  font-size: clamp(28px, 3.5vw, 40px);
  font-weight: 700;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.about-text p {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 16px;
}

.photo-box {
  width: 100%;
  aspect-ratio: 4 / 3;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #111 0%, #050505 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 14px;
  letter-spacing: 0.2em;
  position: relative;
  overflow: hidden;
}

.photo-box::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.03) 100%);
}

.social-row {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-top: 64px;
}

.social-icon {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all .3s var(--ease);
  color: var(--text-muted);
}

.social-icon:hover {
  color: var(--text);
  border-color: var(--text);
  transform: translateY(-3px);
}

.social-icon .hgi {
  font-size: 18px;
}

/* ============ Section 2: Team Members ============ */
.members-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px 48px;
}

.member-card {
  display: flex;
  gap: 24px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  transition: all .35s var(--ease);
}

.member-card:hover {
  border-color: var(--border-soft);
  transform: translateY(-4px);
}

.member-photo {
  flex-shrink: 0;
  width: 120px;
  height: 120px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, #1a1a1a, #0a0a0a);
  border: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 11px;
  letter-spacing: 0.2em;
  overflow: hidden; /* 確保照片超出時自動隱藏裁切 */
}

/* 新增：確保照片填滿框框且不變形 */
.member-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.member-info {
  flex: 1;
  min-width: 0;
}

.member-name {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.member-role {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}

.member-bio {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.member-socials {
  display: flex;
  gap: 12px;
}

.social-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-elev);
  color: var(--text-muted);
  transition: all .25s var(--ease);
}

.social-icon-btn:hover {
  color: var(--text);
  border-color: var(--border-soft);
  background: var(--border);
  transform: translateY(-2px);
}

.social-icon-btn.hgi .hgi {
  font-size: 20px;
}

/* ============ Section 3: Courses Grid ============ */
.courses-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.course-card {
  position: relative;
  padding: 32px 28px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
  min-height: 220px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  transition: all .35s var(--ease);
  cursor: pointer;
}

.course-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  transform: translateX(-100%);
  transition: transform .6s var(--ease);
}

.course-card:hover {
  border-color: var(--text);
  transform: translateY(-6px);
}

.course-card:hover::before {
  transform: translateX(100%);
}

.course-title {
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.course-title i {
  font-size: 28px;
  vertical-align: middle;
  color: var(--text);
}

.course-desc {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 24px;
}

.course-num {
  position: absolute;
  top: 20px;
  right: 24px;
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.1em;
}

/* ============ Section 4: Activities ============ */
.activities-block {
  margin-bottom: 96px;
}

.activities-block:last-child {
  margin-bottom: 0;
}

.summer-grid {
  display: grid;
  grid-template-columns: 180px 1fr 1fr;
  gap: 48px;
  align-items: start;
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  padding: 8px 0;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: var(--text);
  opacity: 0.2;
}

.tl-item {
  position: relative;
  padding: 14px 0 14px 36px;
  cursor: pointer;
  transition: all .2s var(--ease);
  border-radius: 4px;
}

.tl-item:hover .tl-label {
  color: var(--text);
}

.tl-item.active .tl-label {
  color: var(--text);
  font-weight: 600;
}

.tl-dot {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 15px;
  height: 15px;
  border-radius: 50%;
  transition: all .3s var(--ease);
  z-index: 2;
}

/* 狀態顏色（保留） */
.tl-item.upcoming .tl-dot {
  background: var(--text);
  border: 1.5px solid var(--text);
}

.tl-item.ongoing .tl-dot {
  background: var(--text);
  border: 1.5px solid var(--text);
  animation: blink 1.5s ease-in-out infinite;
}

.tl-item.ended .tl-dot {
  background: var(--text-dim);
  border: 1.5px solid var(--text-dim);
}

/* 點擊後高亮（覆蓋狀態） */
.tl-item.active .tl-dot {
  box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.2);
}

@keyframes blink {

  0%,
  100% {
    opacity: 1;
    box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.4);
  }

  50% {
    opacity: 0.5;
    box-shadow: 0 0 0 8px rgba(255, 255, 255, 0);
  }
}

.tl-label {
  font-size: 14px;
  letter-spacing: 0.02em;
  transition: color .2s;
}

/* Summer content */
.summer-content h3 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.summer-tag {
  font-size: 13px;
  color: var(--text-dim);
  letter-spacing: 0.15em;
  margin-bottom: 24px;
}

.summer-content p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}

.btn-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 24px;
  border: 1px solid var(--text);
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all .3s var(--ease);
}

.btn-link:hover {
  background: var(--text);
  color: var(--bg);
  gap: 14px;
}

.btn-link .arrow {
  transition: transform .3s var(--ease);
}

.btn-link:hover .arrow {
  transform: translate(2px, -2px);
}

.summer-photo {
  width: 100%;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  background: linear-gradient(135deg, #111 0%, #050505 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  font-size: 13px;
  letter-spacing: 0.2em;
}

/* ===== After-school ===== */
.afterschool-header {
  margin-bottom: 48px;
}

.afterschool-header h3 {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.afterschool-header p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 720px;
}

.week-timeline {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.week-cards {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.day-card {
  text-align: center;
}

.day-content {
  padding: 20px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-elev);
  min-height: 140px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  transition: all .3s var(--ease);
}

.day-card:hover .day-content {
  border-color: var(--text);
  transform: translateY(-4px);
}

.day-name {
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.25em;
  margin-bottom: 8px;
}

.day-course {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}

.day-desc {
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.5;
}

.week-nodes {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.node-cell {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 14px;
}

.node-cell:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: calc(100% + 20px);
  height: 2px;
  background: var(--text);
  transform: translateY(-50%);
  z-index: 1;
}

.day-node {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text);
  position: relative;
  z-index: 2;
}

.week-label {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-top: 4px;
}

.week-label span {
  text-align: center;
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.25em;
}

.mobile-node {
  display: none;
}

/* ============ Section 5: IZCC ============ */
.izcc {
  text-align: center;
  padding: 140px 0 120px;
}

.izcc-title {
  font-size: clamp(80px, 14vw, 200px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1;
  background: linear-gradient(180deg, #ffffff 0%, #6a6a6a 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 40px;
}

.izcc-desc {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.9;
  max-width: 720px;
  margin: 0 auto 80px;
}

.logo-wall {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.logo-badge {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  background: radial-gradient(circle at 30% 30%, #1a1a1a 0%, #000 70%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 14px;
  letter-spacing: 0.15em;
  color: var(--text-dim);
  transition: all .4s var(--ease);
  position: relative;
  cursor: pointer;
}

/* 讓社徽圖片完美填滿圓圈並維持正圓 */
.badge-logo-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  z-index: 0;
  /* 加入 filter 與 transition，實現變暗時的平滑動畫 */
  transition: filter .3s var(--ease);
}

/* 確保社群內聯圖標顯示在社徽上方 */
.badge-icons {
  display: flex;
  gap: 12px;
  position: relative;
  z-index: 1;
}

.badge-icon-link {
  color: inherit;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.badge-icon-link i {
  font-size: 18px;
  opacity: 0;
  transition: all .3s var(--ease);
}

.logo-badge:hover .badge-icon-link i {
  opacity: 0.85;
}

.logo-badge:hover .badge-icon-link:hover i {
  opacity: 1;
  color: var(--text);
  transform: scale(1.1);
}

/* 【還原改動】重新加入預設隱藏 (opacity: 0) 與向下位移 (translateY) 效果 */
.logo-badge::after {
  content: attr(data-name);
  position: absolute;
  bottom: -32px;            /* 動態結束時的精準固定位置 */
  left: 50%;
  /* 預設狀態：水平置中，並垂直向下偏移 10px 隱藏 */
  transform: translateX(-50%) translateY(10px); 
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.1em;
  white-space: nowrap;
  opacity: 0;               /* 預設完全隱藏 */
  /* 讓位移 (transform) 與淡入淡出 (opacity) 同步進行滑順過渡 */
  transition: transform .3s var(--ease), opacity .3s var(--ease), color .3s var(--ease);
}

.logo-badge:hover {
  transform: scale(1.08);
  border-color: var(--text);
  color: var(--text);
}

/* 滑鼠懸停時：文字向上滑動回定位，並優雅淡入顯現 */
.logo-badge:hover::after {
  opacity: 1;               /* 滑鼠移入時顯現 */
  transform: translateX(-50%) translateY(0); /* 消除偏移量，滑回歸位 */
  color: var(--text);
}

/* 2. 當滑鼠移入社徽時，將圖片亮度調暗（例如調至 40% 或 50%） */
.logo-badge:hover .badge-logo-img {
  filter: brightness(0.4);
}

/* 4. 滑鼠直接懸停在具體 Icon 上時全亮並微微放大 */
.logo-badge:hover .badge-icon-link:hover i {
  opacity: 1;
  color: var(--text);
  transform: scale(1.15);
}



/* ============ Footer ============ */
footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--text-dim);
  font-size: 13px;
  letter-spacing: 0.05em;
}

/* ==========================================================
           RESPONSIVE
           ========================================================== */

@media (max-width: 960px) {

  .hero-grid,
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .logo-circle {
    margin: 0 auto;
    max-width: 280px;
  }

  .members-grid {
    grid-template-columns: 1fr;
  }

  .courses-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .summer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .timeline {
    display: flex;
    overflow-x: auto;
    gap: 8px;
    padding: 8px 0;
  }

  .timeline::before {
    display: none;
  }

  .tl-item {
    padding: 12px 16px 12px 12px;
    border: 1px solid var(--border);
    border-radius: 999px;
    white-space: nowrap;
    flex-shrink: 0;
    background: var(--bg-elev);
  }

  .tl-dot {
    display: none;
  }

  .tl-item.active {
    border-color: var(--text);
    background: rgba(255, 255, 255, 0.05);
  }
}

@media (max-width: 640px) {
  .container {
    padding: 0 20px;
  }

  section {
    padding: 80px 0 60px;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    transform: translateY(-120%);
    transition: transform .35s var(--ease);
    padding: 16px 0;
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .nav-links li {
    padding: 12px 32px;
  }

  .nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
  }

  .nav-toggle span {
    width: 22px;
    height: 1.5px;
    background: var(--text);
    transition: all .3s var(--ease);
  }

  .courses-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .member-card {
    flex-direction: column;
    padding: 20px;
    gap: 16px;
  }

  .member-photo {
    width: 100%;
    height: auto;          /* 覆蓋固定的 200px 高度 */
    aspect-ratio: 1 / 1;   /* 保持 1:1 正方形比例 */
  }

  .members-grid {
    gap: 24px;
  }

  .logo-badge {
    width: 110px;
    height: 110px;
    font-size: 12px;
  }

  .logo-wall {
    gap: 24px;
  }

  /* 手機時間線還原為垂直列表（但保留點擊功能） */
  .timeline {
    display: block;
    overflow-x: visible;
    padding: 0;
  }

  .timeline::before {
    display: block;
    left: 6px;
    top: 6px;
    bottom: 6px;
    width: 1.5px;
    background: var(--text);
    opacity: 0.3;
  }

  .tl-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 10px 0 10px 28px;
    border: none;
    border-radius: 0;
    white-space: normal;
    background: transparent;
    flex-shrink: 0;
  }

  .tl-dot {
    display: block;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    z-index: 2;
  }

  .tl-item.active {
    background: transparent;
    border: none;
  }

  .tl-item.active .tl-label {
    color: var(--text);
    font-weight: 600;
  }

  .summer-grid {
    gap: 24px;
  }

  .summer-content p {
    font-size: 15px;
    margin-bottom: 24px;
  }

  .summer-photo {
    aspect-ratio: 4 / 3;
    margin-top: 4px;
  }

  .week-cards {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .week-nodes {
    display: none;
  }

  .week-label {
    display: none;
  }

  .day-card {
    display: grid;
    grid-template-columns: 20px 1fr;
    gap: 14px;
    align-items: center;
    text-align: left;
  }

  .mobile-node {
    display: block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text);
    justify-self: center;
    box-shadow: 0 0 0 4px var(--bg), 0 0 0 5px var(--border-soft);
    flex-shrink: 0;
  }

  .day-content {
    margin-bottom: 0;
    min-height: auto;
    text-align: left;
    padding: 16px 18px;
  }

  .day-name {
    font-size: 10px;
    letter-spacing: 0.2em;
    margin-bottom: 4px;
  }

  .day-course {
    font-size: 15px;
  }

  .day-desc {
    font-size: 12px;
  }

  .afterschool-header {
    margin-bottom: 32px;
  }

  .afterschool-header p {
    font-size: 14px;
  }

  .activities-block {
    margin-bottom: 64px;
  }

  .activities-block:last-child {
    margin-bottom: 0;
  }

  .divider {
    margin: 48px 0;
  }

  .social-row {
    margin-top: 40px;
    gap: 16px;
  }

  .social-icon {
    width: 40px;
    height: 40px;
  }

  .section-sub {
    margin-bottom: 40px;
    font-size: 15px;
  }

  .about-text p {
    font-size: 15px;
  }

  .member-bio {
    font-size: 14px;
  }

  .izcc-desc {
    font-size: 15px;
    margin-bottom: 48px;
  }

  .izcc {
    padding: 80px 0 64px;
  }

  footer {
    padding: 32px 0;
    font-size: 12px;
  }
}

/* ============ Reveal Animation ============ */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .8s var(--ease), transform .8s var(--ease);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}