/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --ieee-blue: #00629B;
  --ieee-blue-dark: #004C7A;
  --ieee-blue-light: #1A89CC;
  --ieee-blue-pale: #E8F4FD;
  --ibero-red: #BA0C2F;
  --ibero-red-light: #E01035;
  --white: #FFFFFF;
  --off-white: #F5F8FC;
  --dark: #0A1628;
  --dark-mid: #132240;
  --gray: #8096B0;
  --gray-light: #D0DFF0;
  --font-head: 'Rajdhani', sans-serif;
  --font-body: 'Source Serif 4', serif;
  --font-mono: 'JetBrains Mono', monospace;
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 8px 32px rgba(0,98,155,0.15);
  --shadow-lg: 0 24px 64px rgba(0,98,155,0.25);
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--off-white);
  color: var(--dark);
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 0 2rem;
  background: rgba(10,22,40,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(0,98,155,0.3);
  transition: var(--transition);
}
.nav-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; gap: 2rem;
  height: 68px;
}
.nav-logo { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.ibero-logo { height: 36px; filter: brightness(0) invert(1); object-fit: contain; }
.nav-brand { display: flex; align-items: center; gap: 6px; }
.ieee-text {
  font-family: var(--font-head); font-size: 1.2rem; font-weight: 700;
  color: var(--ieee-blue-light); letter-spacing: 2px;
}
.divider-dot { color: var(--ibero-red); font-size: 1.2rem; }
.uia-text {
  font-family: var(--font-head); font-size: 1.2rem; font-weight: 700;
  color: var(--white); letter-spacing: 1px;
}
.branch-text {
  font-family: var(--font-mono); font-size: 0.65rem; color: var(--gray);
  margin-left: 4px; letter-spacing: 1px; text-transform: uppercase;
}
.nav-links {
  display: flex; list-style: none; gap: 0.25rem; margin-left: auto; align-items: center;
}
.nav-links a {
  font-family: var(--font-head); font-size: 0.9rem; font-weight: 600;
  color: rgba(255,255,255,0.75); letter-spacing: 1px; text-transform: uppercase;
  padding: 6px 14px; border-radius: 6px; transition: var(--transition);
}
.nav-links a:hover { color: var(--white); background: rgba(0,98,155,0.25); }
.nav-cta {
  background: var(--ieee-blue) !important; color: var(--white) !important;
  border-radius: 8px !important;
}
.nav-cta:hover { background: var(--ieee-blue-light) !important; }
.nav-toggle { display: none; background: none; border: none; color: white; font-size: 1.5rem; cursor: pointer; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; padding: 120px 2rem 80px;
  background: var(--dark);
  display: flex; align-items: center; gap: 4rem;
  position: relative; overflow: hidden;
}
.hero-bg {
  position: absolute; inset: 0; pointer-events: none;
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(0,98,155,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,98,155,0.08) 1px, transparent 1px);
  background-size: 60px 60px;
}
.hero-orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.35;
}
.orb1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, var(--ieee-blue) 0%, transparent 70%);
  top: -200px; left: -200px;
}
.orb2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, var(--ibero-red) 0%, transparent 70%);
  bottom: -100px; right: 20%;
  opacity: 0.2;
}
.hero-content {
  position: relative; z-index: 1;
  max-width: 640px; flex: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 0.75rem; color: var(--ieee-blue-light);
  background: rgba(0,98,155,0.15); border: 1px solid rgba(0,98,155,0.4);
  padding: 6px 14px; border-radius: 100px; margin-bottom: 1.5rem;
  letter-spacing: 1px; text-transform: uppercase;
}
.badge-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ieee-blue-light);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}
.hero-title { margin-bottom: 1.5rem; }
.title-ieee {
  display: block;
  font-family: var(--font-head); font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 700; color: var(--ieee-blue-light);
  line-height: 1; letter-spacing: 4px;
}
.title-uia {
  display: block;
  font-family: var(--font-head); font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 600; color: var(--white);
  line-height: 1.3; letter-spacing: 1px; margin-top: 4px;
}
.title-sub {
  display: block;
  font-family: var(--font-mono); font-size: 0.8rem; color: var(--gray);
  letter-spacing: 2px; text-transform: uppercase; margin-top: 8px;
}
.hero-desc {
  font-size: 1.05rem; color: rgba(255,255,255,0.65); line-height: 1.7;
  margin-bottom: 2rem; font-weight: 300;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }

.btn-primary {
  display: inline-flex; align-items: center;
  background: var(--ieee-blue); color: var(--white);
  font-family: var(--font-head); font-size: 0.95rem; font-weight: 600;
  padding: 12px 28px; border-radius: 8px; letter-spacing: 1px;
  transition: var(--transition);
  border: 2px solid transparent;
}
.btn-primary:hover {
  background: var(--ieee-blue-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,98,155,0.4);
}
.btn-secondary {
  display: inline-flex; align-items: center;
  background: transparent; color: var(--white);
  font-family: var(--font-head); font-size: 0.95rem; font-weight: 600;
  padding: 12px 28px; border-radius: 8px; letter-spacing: 1px;
  border: 2px solid rgba(255,255,255,0.25);
  transition: var(--transition);
}
.btn-secondary:hover {
  border-color: var(--ieee-blue-light);
  color: var(--ieee-blue-light);
  transform: translateY(-2px);
}
.hero-stats { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat-n {
  font-family: var(--font-head); font-size: 1.4rem; font-weight: 700;
  color: var(--ieee-blue-light); line-height: 1;
}
.stat-l { font-family: var(--font-mono); font-size: 0.65rem; color: var(--gray); letter-spacing: 1px; text-transform: uppercase; margin-top: 4px; }
.stat-sep { width: 1px; height: 40px; background: rgba(255,255,255,0.15); }

.hero-visual { position: relative; z-index: 1; flex-shrink: 0; }
.mexico-img-wrap {
  position: relative;
  width: clamp(280px, 35vw, 460px);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.mexico-img {
  width: 100%; height: 360px; object-fit: cover;
  border-radius: var(--radius-lg);
  border: 2px solid rgba(0,98,155,0.4);
}
.mexico-img-glow {
  position: absolute; inset: -20px;
  background: radial-gradient(circle at center, rgba(0,98,155,0.3) 0%, transparent 70%);
  pointer-events: none; border-radius: 50%;
  animation: glow-pulse 4s ease-in-out infinite;
}
@keyframes glow-pulse {
  0%,100% { opacity: 0.6; }
  50% { opacity: 1; }
}

/* ===== SECTIONS ===== */
.section { padding: 100px 2rem; max-width: 1280px; margin: 0 auto; }
.section-dark {
  background: var(--dark);
  max-width: 100%; padding: 100px 2rem;
}
.section-dark .section { background: transparent; padding: 0; margin: 0 auto; }

.section-header { text-align: center; margin-bottom: 60px; }
.section-tag {
  display: inline-block;
  font-family: var(--font-mono); font-size: 0.7rem; letter-spacing: 3px;
  text-transform: uppercase; color: var(--ieee-blue);
  background: rgba(0,98,155,0.1); border: 1px solid rgba(0,98,155,0.25);
  padding: 5px 14px; border-radius: 100px; margin-bottom: 1rem;
}
.tag-red { color: var(--ibero-red); background: rgba(186,12,47,0.08); border-color: rgba(186,12,47,0.2); }
.tag-white { color: rgba(255,255,255,0.8); background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.2); }
.section-title {
  font-family: var(--font-head); font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700; color: var(--dark); line-height: 1.15;
}
.section-title em { color: var(--ieee-blue); font-style: normal; }
.section-desc { font-size: 1rem; color: var(--gray); margin-top: 0.75rem; max-width: 600px; margin-left: auto; margin-right: auto; line-height: 1.6; }

/* ===== CAROUSEL ===== */
.carousel-wrap {
  display: flex; align-items: center; gap: 1rem; position: relative;
}
.carousel-track-wrap {
  flex: 1; overflow: hidden; border-radius: var(--radius);
}
.carousel-track {
  display: flex; gap: 1.5rem; transition: transform 0.5s cubic-bezier(0.4,0,0.2,1);
}
.carousel-btn {
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--ieee-blue); color: white; border: none;
  font-size: 1.1rem; cursor: pointer; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  transition: var(--transition); box-shadow: var(--shadow);
}
.carousel-btn:hover { background: var(--ieee-blue-light); transform: scale(1.1); }
.carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 2rem; }
.carousel-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--gray-light); cursor: pointer; transition: var(--transition);
}
.carousel-dot.active { background: var(--ieee-blue); width: 24px; border-radius: 4px; }

/* ===== MEMBER CARDS (flip) ===== */
.member-card {
  flex: 0 0 calc(33.33% - 1rem);
  min-width: 280px;
  height: 420px;
  perspective: 1000px;
  cursor: pointer;
}
.card-inner {
  position: relative; width: 100%; height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.member-card:hover .card-inner { transform: rotateY(180deg); }
.card-front, .card-back {
  position: absolute; inset: 0;
  backface-visibility: hidden; -webkit-backface-visibility: hidden;
  border-radius: var(--radius-lg); overflow: hidden;
}
.card-front {
  background: var(--white);
  border: 1px solid var(--gray-light);
  box-shadow: var(--shadow);
  display: flex; flex-direction: column; align-items: center;
}
.card-role-badge {
  position: absolute; top: 14px; right: 14px; z-index: 2;
  font-family: var(--font-mono); font-size: 0.65rem; font-weight: 500;
  background: var(--ieee-blue); color: white;
  padding: 4px 10px; border-radius: 100px; letter-spacing: 1px; text-transform: uppercase;
}
.card-img-wrap {
  width: 100%; height: 260px; position: relative; overflow: hidden; flex-shrink: 0;
}
.card-img-wrap img {
  width: 100%; height: 100%; object-fit: cover; object-position: top;
  transition: transform 0.5s ease;
}
.member-card:hover .card-img-wrap img { transform: scale(1.05); }
.card-img-overlay {
  position: absolute; bottom: 0; left: 0; right: 0; height: 60px;
  background: linear-gradient(transparent, var(--white));
}
.card-name {
  font-family: var(--font-head); font-size: 1.05rem; font-weight: 700;
  color: var(--dark); text-align: center; padding: 14px 16px 4px;
  line-height: 1.2;
}
.card-title-role {
  font-family: var(--font-mono); font-size: 0.7rem; color: var(--ieee-blue);
  text-align: center; letter-spacing: 1px; padding: 0 16px;
}
.flip-hint {
  font-size: 0.7rem; color: var(--gray); text-align: center;
  padding: 8px 16px; font-style: italic;
}
.avatar-placeholder {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, var(--ieee-blue-pale), var(--gray-light));
  display: flex; align-items: center; justify-content: center;
}
.avatar-placeholder span {
  font-family: var(--font-head); font-size: 3.5rem; font-weight: 700;
  color: var(--ieee-blue); opacity: 0.5;
}

/* Card Back */
.card-back {
  background: linear-gradient(135deg, var(--ieee-blue-dark) 0%, var(--dark) 100%);
  transform: rotateY(180deg);
  display: flex; flex-direction: column;
  padding: 24px; gap: 12px;
  border: 1px solid rgba(0,98,155,0.4);
}
.card-back-role {
  font-family: var(--font-mono); font-size: 0.65rem; color: var(--ieee-blue-light);
  letter-spacing: 2px; text-transform: uppercase;
  background: rgba(0,98,155,0.2); padding: 4px 10px; border-radius: 100px;
  width: fit-content;
}
.card-back-name {
  font-family: var(--font-head); font-size: 1.1rem; font-weight: 700;
  color: var(--white); line-height: 1.2;
}
.card-back-bio {
  font-size: 0.8rem; color: rgba(255,255,255,0.75); line-height: 1.6;
  flex: 1; overflow-y: auto;
}
.card-back-bio strong { color: var(--ieee-blue-light); }
.card-back-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.card-back-tags span {
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 1px;
  background: rgba(0,98,155,0.3); color: var(--ieee-blue-light);
  padding: 3px 8px; border-radius: 4px; text-transform: uppercase;
}

/* ===== ANTERIOR EXCOM ===== */
.section-dark .section-title { color: var(--white); }
.excom-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
  gap: 2rem; max-width: 1280px; margin: 0 auto;
}
.excom-card { border-radius: var(--radius-lg); overflow: hidden; }
.excom-img-wrap { position: relative; height: 340px; overflow: hidden; }
.excom-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.excom-card:hover .excom-img-wrap img { transform: scale(1.05); }
.excom-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(transparent 30%, rgba(10,22,40,0.92) 100%);
  display: flex; align-items: flex-end; padding: 24px;
  opacity: 0; transition: opacity 0.4s;
}
.excom-card:hover .excom-overlay { opacity: 1; }
.excom-names { display: flex; flex-direction: column; gap: 8px; }
.excom-name-item {
  font-family: var(--font-head); font-size: 0.9rem; font-weight: 600;
  color: var(--white); display: flex; align-items: center; gap: 8px;
}
.role-badge-sm {
  font-family: var(--font-mono); font-size: 0.55rem; letter-spacing: 1px;
  background: var(--ieee-blue); color: white;
  padding: 2px 7px; border-radius: 100px; text-transform: uppercase; white-space: nowrap;
}
.role-badge-sm.comsoc { background: var(--ibero-red); }
.excom-caption {
  padding: 20px 24px;
  background: var(--dark-mid);
  border-top: 2px solid var(--ieee-blue);
}
.excom-caption h3 {
  font-family: var(--font-head); font-size: 1.1rem; font-weight: 700;
  color: var(--white); margin-bottom: 6px;
}
.excom-caption p { font-size: 0.85rem; color: var(--gray); line-height: 1.5; }

/* ===== EVENTOS ===== */
.event-feature {
  display: grid; grid-template-columns: 1fr 1.4fr; gap: 3rem;
  align-items: center;
  background: var(--white); border-radius: var(--radius-lg);
  padding: 40px; margin-bottom: 2.5rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-light);
}
.event-badge-wrap { margin-bottom: 12px; }
.event-badge {
  font-family: var(--font-mono); font-size: 0.65rem; letter-spacing: 2px;
  background: var(--ieee-blue); color: white;
  padding: 5px 14px; border-radius: 100px; text-transform: uppercase;
}
.event-feature-info h3 {
  font-family: var(--font-head); font-size: 1.8rem; font-weight: 700;
  color: var(--dark); margin-bottom: 12px;
}
.event-feature-info p { font-size: 0.95rem; color: var(--gray); line-height: 1.7; margin-bottom: 1rem; }
.event-feature-info p strong { color: var(--ieee-blue); }
.event-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.event-tags span {
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 1px;
  background: var(--ieee-blue-pale); color: var(--ieee-blue);
  padding: 4px 10px; border-radius: 100px; text-transform: uppercase;
  border: 1px solid rgba(0,98,155,0.2);
}

.baja-mini-carousel { position: relative; border-radius: var(--radius); overflow: hidden; height: 280px; }
.baja-track {
  display: flex; height: 100%; transition: transform 0.5s ease;
}
.baja-track img {
  flex: 0 0 100%; height: 100%; object-fit: cover;
}
.baja-controls {
  position: absolute; bottom: 12px; right: 12px; display: flex; gap: 8px;
}
.baja-btn {
  width: 36px; height: 36px; border-radius: 8px;
  background: rgba(0,0,0,0.6); color: white; border: none;
  font-size: 0.9rem; cursor: pointer; display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px); transition: var(--transition);
}
.baja-btn:hover { background: var(--ieee-blue); }

.events-mini-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem;
}
.event-mini-card {
  background: var(--white); border-radius: var(--radius-lg);
  overflow: hidden; border: 1px solid var(--gray-light);
  box-shadow: var(--shadow); transition: var(--transition);
}
.event-mini-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.event-mini-img { position: relative; height: 180px; overflow: hidden; }
.event-mini-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.event-mini-card:hover .event-mini-img img { transform: scale(1.08); }
.event-mini-overlay {
  position: absolute; top: 12px; left: 12px;
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 1px;
  background: rgba(10,22,40,0.75); color: var(--ieee-blue-light);
  padding: 4px 10px; border-radius: 100px; backdrop-filter: blur(4px);
  text-transform: uppercase;
}
.event-mini-info { padding: 20px; }
.event-mini-tag {
  font-family: var(--font-mono); font-size: 0.6rem; color: var(--ibero-red);
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px;
}
.event-mini-info h4 {
  font-family: var(--font-head); font-size: 1.15rem; font-weight: 700;
  color: var(--dark); margin-bottom: 8px;
}
.event-mini-info p { font-size: 0.85rem; color: var(--gray); line-height: 1.55; }
.event-mini-info p strong { color: var(--ieee-blue); }

/* ===== PLAN ANUAL ===== */
.section-plan { background: var(--ieee-blue-pale); border-radius: var(--radius-lg); }
.plan-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.plan-card {
  display: flex; align-items: center; gap: 2rem; flex-wrap: wrap;
  background: var(--white); border-radius: var(--radius-lg);
  padding: 32px; box-shadow: var(--shadow);
  border: 1px solid rgba(0,98,155,0.15);
  justify-content: center; margin-top: 2rem;
}
.plan-icon { width: 56px; height: 56px; flex-shrink: 0; }
.plan-text { flex: 1; text-align: left; min-width: 200px; }
.plan-text h3 {
  font-family: var(--font-head); font-size: 1.3rem; font-weight: 700;
  color: var(--dark); margin-bottom: 6px;
}
.plan-text p { font-size: 0.9rem; color: var(--gray); line-height: 1.5; }
.plan-text code {
  font-family: var(--font-mono); font-size: 0.8rem;
  background: var(--ieee-blue-pale); color: var(--ieee-blue);
  padding: 2px 6px; border-radius: 4px;
}

/* ===== UPCOMING ===== */
.upcoming-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: 2rem; max-width: 1280px; margin: 0 auto;
}
.upcoming-card {
  border-radius: var(--radius-lg); overflow: hidden;
  background: var(--dark-mid);
  border: 1px solid rgba(0,98,155,0.25);
  transition: var(--transition);
}
.upcoming-card:hover { transform: translateY(-6px); border-color: var(--ieee-blue); box-shadow: var(--shadow-lg); }
.upcoming-img-wrap { position: relative; height: 240px; overflow: hidden; }
.upcoming-img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s; }
.upcoming-card:hover .upcoming-img-wrap img { transform: scale(1.06); }
.upcoming-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(transparent, rgba(10,22,40,0.7));
  display: flex; align-items: flex-end; padding: 16px;
}
.upcoming-soon {
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 2px;
  background: var(--ieee-blue); color: white;
  padding: 4px 12px; border-radius: 100px; text-transform: uppercase;
  animation: pulse 2s ease-in-out infinite;
}
.upcoming-info { padding: 24px; }
.upcoming-tag {
  font-family: var(--font-mono); font-size: 0.6rem; color: var(--ibero-red);
  letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px;
}
.upcoming-info h3 {
  font-family: var(--font-head); font-size: 1.4rem; font-weight: 700;
  color: var(--white); margin-bottom: 10px;
}
.upcoming-info p { font-size: 0.88rem; color: rgba(255,255,255,0.65); line-height: 1.65; margin-bottom: 16px; }
.upcoming-info p strong { color: var(--ieee-blue-light); }
.upcoming-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.upcoming-chips span {
  font-family: var(--font-mono); font-size: 0.6rem; letter-spacing: 1px;
  background: rgba(0,98,155,0.2); color: var(--ieee-blue-light);
  padding: 4px 10px; border-radius: 100px; text-transform: uppercase;
  border: 1px solid rgba(0,98,155,0.3);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark); border-top: 1px solid rgba(0,98,155,0.25);
  padding: 40px 2rem;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 1.5rem;
}
.footer-brand { display: flex; align-items: center; gap: 12px; }
.footer-logo { height: 32px; filter: brightness(0) invert(1); opacity: 0.7; }
.footer-title { font-family: var(--font-head); font-size: 1.1rem; font-weight: 700; color: white; }
.footer-sub { font-family: var(--font-mono); font-size: 0.65rem; color: var(--gray); letter-spacing: 1px; }
.footer-links { display: flex; gap: 1.5rem; flex-wrap: wrap; }
.footer-links a {
  font-family: var(--font-mono); font-size: 0.72rem; color: var(--gray);
  letter-spacing: 1px; text-transform: uppercase; transition: color 0.2s;
}
.footer-links a:hover { color: var(--ieee-blue-light); }
.footer-copy { font-family: var(--font-mono); font-size: 0.65rem; color: rgba(255,255,255,0.25); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero { flex-direction: column; padding-top: 100px; gap: 2rem; }
  .hero-visual { width: 100%; }
  .mexico-img-wrap { width: 100%; max-width: 480px; margin: 0 auto; }
  .event-feature { grid-template-columns: 1fr; }
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .member-card { flex: 0 0 calc(50% - 0.75rem); min-width: 240px; }
}
@media (max-width: 600px) {
  .member-card { flex: 0 0 80vw; }
  .events-mini-grid { grid-template-columns: 1fr; }
  .upcoming-grid { grid-template-columns: 1fr; }
  .excom-grid { grid-template-columns: 1fr; }
  .footer-inner { flex-direction: column; text-align: center; }
  .footer-links { justify-content: center; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--dark); }
::-webkit-scrollbar-thumb { background: var(--ieee-blue); border-radius: 3px; }