/* ============================================================
   AI 科研新星培育計畫 2026 — Main Stylesheet
   Color Palette:
     --bg-deep:    #020B18  (深海藍背景)
     --bg-mid:     #041428  (中層背景)
     --bg-card:    #071E36  (卡片背景)
     --accent:     #00E5FF  (青藍螢光)
     --accent2:    #0096C7  (次要藍)
     --accent3:    #48CAE4  (淺藍)
     --text:       #E0F4FF  (主文字)
     --text-muted: #7BAFC9  (次要文字)
============================================================ */

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

:root {
  --bg-deep:    #020B18;
  --bg-mid:     #041428;
  --bg-card:    #071E36;
  --accent:     #00E5FF;
  --accent2:    #0096C7;
  --accent3:    #48CAE4;
  --accent-glow: rgba(0,229,255,0.25);
  --text:       #E0F4FF;
  --text-muted: #7BAFC9;
  --border:     rgba(0,229,255,0.15);
  --border-hover: rgba(0,229,255,0.45);
  --radius:     12px;
  --radius-lg:  20px;
  --transition: 0.3s ease;
  --font-body:  'Noto Sans TC', sans-serif;
  --font-tech:  'Orbitron', monospace;
  --font-mono:  'Share Tech Mono', monospace;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background-color: var(--bg-deep);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }

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

strong { color: var(--accent3); }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--accent2); border-radius: 3px; }

/* ===== PARTICLE CANVAS ===== */
#particleCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.4;
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

/* ===== NAVBAR ===== */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: background var(--transition), backdrop-filter var(--transition), padding var(--transition);
}

#navbar.scrolled {
  background: rgba(2, 11, 24, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 10px 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-tech);
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.05em;
}

.logo-icon { font-size: 1.4rem; }

.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
}

.nav-links a {
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 6px 14px;
  border-radius: 6px;
  transition: all var(--transition);
  font-weight: 500;
}

.nav-links a:hover { color: var(--accent); background: rgba(0,229,255,0.08); }

.nav-links .nav-cta {
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  color: var(--bg-deep) !important;
  font-weight: 700;
  padding: 8px 20px;
  border-radius: 8px;
}
.nav-links .nav-cta:hover { opacity: 0.85; background: var(--accent); }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
  transition: all var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(2,11,24,0.75) 0%,
    rgba(4,20,40,0.55) 50%,
    rgba(2,11,24,0.80) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
  padding: 120px 24px 80px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(0,229,255,0.1);
  border: 1px solid var(--border-hover);
  border-radius: 50px;
  padding: 6px 18px;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 28px;
  font-family: var(--font-mono);
  letter-spacing: 0.05em;
}

.badge-dot {
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
  font-family: var(--font-body);
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
}

.title-line-1 {
  display: block;
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  color: var(--text-muted);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.title-line-2 {
  display: block;
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  background: linear-gradient(135deg, #fff 0%, var(--accent3) 50%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: none;
  letter-spacing: 0.05em;
}

.hero-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--text-muted);
  margin-bottom: 40px;
  letter-spacing: 0.08em;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 44px;
  background: rgba(7,30,54,0.7);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px 32px;
  backdrop-filter: blur(10px);
  flex-wrap: wrap;
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 28px;
}

.stat-num {
  font-family: var(--font-tech);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  text-shadow: 0 0 20px var(--accent-glow);
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 4px;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent2) 0%, var(--accent) 100%);
  color: var(--bg-deep);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 10px;
  transition: all var(--transition);
  box-shadow: 0 4px 24px rgba(0,229,255,0.3);
  letter-spacing: 0.03em;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(0,229,255,0.5);
  color: var(--bg-deep);
}
.btn-primary.btn-large { font-size: 1.1rem; padding: 16px 40px; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--accent);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 10px;
  border: 1px solid var(--border-hover);
  transition: all var(--transition);
}
.btn-secondary:hover {
  background: rgba(0,229,255,0.08);
  color: #fff;
  border-color: var(--accent);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  z-index: 2;
  animation: fadeInUp 1s 1s both;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 2s infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.7); }
}

.mobile-break { display: none; }

/* ===== SECTIONS ===== */
.section {
  position: relative;
  padding: 100px 0;
  z-index: 1;
}

.section-dark {
  background: var(--bg-mid);
}

.section-bg-img {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}
.section-bg-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.15;
}

.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: 12px;
  opacity: 0.8;
}

.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  color: #fff;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.section-line {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  margin: 0 auto;
  border-radius: 2px;
  box-shadow: 0 0 12px var(--accent-glow);
}

.section-subtitle {
  margin-top: 20px;
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.02rem;
}

.about-lead {
  font-size: 1.2rem !important;
  color: var(--text) !important;
  font-weight: 500;
  line-height: 1.6;
}

.about-highlight {
  display: flex;
  align-items: center;
  gap: 16px;
  background: rgba(0,229,255,0.06);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-top: 28px;
}

.highlight-icon { font-size: 1.6rem; }

.highlight-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.highlight-text strong { color: var(--accent3); font-size: 0.85rem; letter-spacing: 0.08em; }
.highlight-text span { color: var(--text); font-size: 1rem; }

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,229,255,0.12);
}
.feature-card:hover::before { opacity: 1; }

.card-icon { font-size: 2rem; margin-bottom: 12px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; color: var(--accent3); margin-bottom: 8px; }
.feature-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.6; }

/* ===== HARDWARE ===== */
.hardware-layout {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.hardware-image-wrap {
  position: relative;
}

.hardware-img {
  width: 100%;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: 0 0 60px rgba(0,229,255,0.15);
}

.hardware-glow {
  position: absolute;
  inset: -20px;
  background: radial-gradient(ellipse at center, rgba(0,229,255,0.1) 0%, transparent 70%);
  pointer-events: none;
  border-radius: 50%;
}

.spec-title { margin-bottom: 28px; }
.spec-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  background: rgba(0,229,255,0.08);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 10px;
  margin-bottom: 10px;
}
.spec-title h3 {
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
}

.spec-table { display: flex; flex-direction: column; gap: 0; }

.spec-row {
  display: flex;
  align-items: center;
  gap: 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.spec-row:last-child { border-bottom: none; }
.spec-row:hover { background: rgba(0,229,255,0.04); }

.spec-key {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 120px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-muted);
  padding: 14px 16px 14px 0;
}
.spec-icon { font-size: 1rem; }

.spec-val {
  flex: 1;
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 500;
  padding: 14px 0;
}

.spec-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin-top: 20px;
  padding: 12px 16px;
  background: rgba(0,229,255,0.05);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}
.spec-note svg { flex-shrink: 0; margin-top: 2px; color: var(--accent); }

/* ===== TIMELINE ===== */
.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 800px;
  margin: 0 auto;
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 0;
  position: relative;
}

.timeline-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 4px;
}

.timeline-dot {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent2), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 0 20px rgba(0,229,255,0.4);
  z-index: 1;
}

.timeline-dot span {
  font-family: var(--font-tech);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--bg-deep);
}

.timeline-line {
  flex: 1;
  width: 2px;
  background: linear-gradient(to bottom, var(--accent), rgba(0,229,255,0.1));
  margin: 8px 0;
  min-height: 40px;
}

.timeline-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 28px;
  margin-left: 20px;
  margin-bottom: 28px;
  transition: all var(--transition);
}

.timeline-card:hover {
  border-color: var(--border-hover);
  box-shadow: 0 4px 24px rgba(0,229,255,0.1);
  transform: translateX(4px);
}

.timeline-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.15em;
  margin-bottom: 6px;
}

.timeline-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
}

.timeline-date {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 0.85rem;
  color: var(--accent3);
  margin-bottom: 10px;
  font-family: var(--font-mono);
}

.timeline-card p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===== ELIGIBILITY ===== */
.eligibility-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr;
  gap: 20px;
}

.eligibility-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
}

.eligibility-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,229,255,0.12);
}

.eligibility-card.main-card {
  border-color: rgba(0,229,255,0.3);
  background: linear-gradient(135deg, rgba(0,150,199,0.12), rgba(0,229,255,0.06));
}

.elig-icon { font-size: 2.2rem; margin-bottom: 14px; }

.eligibility-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--accent3);
  margin-bottom: 12px;
}

.eligibility-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

.elig-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}

.elig-tag {
  background: rgba(0,229,255,0.1);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 3px 10px;
  font-size: 0.8rem;
  color: var(--accent);
  font-family: var(--font-mono);
}

.elig-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.elig-list li {
  font-size: 0.88rem;
  color: var(--text-muted);
  padding-left: 16px;
  position: relative;
  line-height: 1.5;
}

.elig-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* ===== RIGHTS ===== */
.rights-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.rights-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.rights-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.rights-card:hover::after { transform: scaleX(1); }
.rights-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,229,255,0.1);
}

.rights-num {
  font-family: var(--font-tech);
  font-size: 2rem;
  font-weight: 900;
  color: rgba(0,229,255,0.15);
  margin-bottom: 12px;
  line-height: 1;
}

.rights-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--accent3);
  margin-bottom: 10px;
}

.rights-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item.open { border-color: var(--border-hover); }

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  background: none;
  border: none;
  cursor: pointer;
  text-align: left;
  color: var(--text);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  transition: color var(--transition);
}

.faq-question:hover { color: var(--accent); }

.faq-arrow {
  flex-shrink: 0;
  color: var(--accent);
  transition: transform var(--transition);
}

.faq-item.open .faq-arrow { transform: rotate(180deg); }

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer { max-height: 200px; }

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ===== CTA SECTION ===== */
.section-cta {
  position: relative;
  padding: 120px 0;
  text-align: center;
}

.cta-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.cta-bg img { width: 100%; height: 100%; object-fit: cover; }
.cta-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(2,11,24,0.88), rgba(4,20,40,0.80));
}

.cta-content {
  position: relative;
  z-index: 2;
}

.cta-title {
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 900;
  color: #fff;
  margin: 16px 0 16px;
  letter-spacing: 0.04em;
}

.cta-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 40px;
}

.cta-contact {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 28px;
  margin-bottom: 40px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-muted);
  font-size: 0.95rem;
}
.contact-item svg { color: var(--accent); flex-shrink: 0; }
.contact-item a { color: var(--accent3); }
.contact-item a:hover { color: var(--accent); }

.cta-actions { margin-bottom: 28px; }

.cta-organizer {
  font-size: 0.85rem;
  color: var(--text-muted);
  opacity: 0.7;
}

/* ===== FOOTER ===== */
#footer {
  background: #010810;
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-tech);
  font-size: 0.95rem;
  color: var(--accent);
  margin-bottom: 12px;
}

.footer-brand p {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.footer-org {
  font-size: 0.82rem !important;
  color: rgba(123,175,201,0.6) !important;
}

.footer-links h4, .footer-contact h4 {
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 16px;
}

.footer-links ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links a {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }

.download-buttons {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  background: linear-gradient(135deg, rgba(0,150,199,0.2), rgba(0,229,255,0.1));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--accent3);
  font-size: 0.9rem;
  font-weight: 600;
  transition: all var(--transition);
  text-decoration: none;
}

.download-btn:hover {
  background: linear-gradient(135deg, rgba(0,150,199,0.3), rgba(0,229,255,0.15));
  border-color: var(--border-hover);
  color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,229,255,0.15);
}

.footer-contact p {
  font-size: 0.88rem;
  color: var(--text-muted);
  margin-bottom: 6px;
}
.footer-contact a { color: var(--accent3); }
.footer-contact a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 0.82rem;
  color: rgba(123,175,201,0.5);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== RESPONSIVE — TABLET (iPad) ===== */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .hardware-layout { grid-template-columns: 1fr; gap: 40px; }
  .hardware-image-wrap { max-width: 480px; margin: 0 auto; }
  .eligibility-grid { grid-template-columns: 1fr 1fr; }
  .rights-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* ===== RESPONSIVE — MOBILE ===== */
@media (max-width: 768px) {
  .section { padding: 72px 0; }

  /* Nav */
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 0; right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(2,11,24,0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 80px 32px 40px;
    gap: 8px;
    transition: right var(--transition);
    border-left: 1px solid var(--border);
  }
  .nav-links.open { right: 0; }
  .nav-links a { font-size: 1rem; padding: 12px 16px; display: block; }
  .nav-links .nav-cta { text-align: center; margin-top: 16px; }

  /* Hero */
  .hero-content { padding: 100px 16px 60px; }
  .mobile-break { display: block; }
  .hero-stats { padding: 16px 20px; gap: 0; }
  .stat-item { padding: 0 16px; }
  .stat-divider { height: 30px; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; max-width: 300px; justify-content: center; }

  /* About */
  .about-cards { grid-template-columns: 1fr 1fr; }

  /* Timeline */
  .timeline-item { grid-template-columns: 56px 1fr; }
  .timeline-dot { width: 40px; height: 40px; }
  .timeline-dot span { font-size: 0.72rem; }
  .timeline-card { padding: 18px 20px; margin-left: 12px; }

  /* Eligibility */
  .eligibility-grid { grid-template-columns: 1fr; }

  /* Rights */
  .rights-grid { grid-template-columns: 1fr; }

  /* CTA Contact */
  .cta-contact { flex-direction: column; align-items: center; gap: 16px; }

  /* Footer */
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 480px) {
  .about-cards { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .stat-divider { width: 40px; height: 1px; }
  .stat-item { padding: 8px 0; }
}