/*
 * harco.css — HARCO 混合健身挑戰賽 Event-Specific Styles
 * Color theme: intense dark green (#1a472a → #2d6a4f)
 */

/* ── CSS Custom Properties ── */
:root {
  --harco-dark-green:  #1a472a;
  --harco-mid-green:   #2d6a4f;
  --harco-light-green: #52b788;
  --harco-accent:      #F5C518;
  --harco-dark:        #0a0a0a;
  --harco-white:       #ffffff;
}

/* ==============================
   EVENT SUB-NAV
============================== */
.event-subnav {
  position: sticky;
  top: 68px; /* below main navbar */
  z-index: 900;
  background-color: rgba(10, 10, 10, 0.97);
  border-bottom: 1px solid rgba(45, 106, 79, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.event-subnav .nav-link {
  font-family: 'Inter', 'Noto Sans TC', sans-serif;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
  padding: 0.9rem 1rem;
  transition: color 0.2s ease;
}

.event-subnav .nav-link:hover,
.event-subnav .nav-link.active {
  color: var(--harco-light-green);
}

.event-subnav .nav-link.active {
  border-bottom: 2px solid var(--harco-light-green);
}

/* ==============================
   HERO SECTION
============================== */
.harco-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--harco-dark-green) 0%, var(--harco-mid-green) 100%);
  overflow: hidden;
}

/* Grid pattern overlay */
.harco-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}

/* Bottom gradient fade */
.harco-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 200px;
  background: linear-gradient(to bottom, transparent, rgba(10,10,10,0.9));
  pointer-events: none;
}

.harco-hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 2rem 1rem;
}

.harco-hero-eyebrow {
  font-family: 'Inter', sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.65);
  margin-bottom: 1rem;
}

.harco-hero-title {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: clamp(2rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--harco-white);
  line-height: 1.1;
  letter-spacing: 0.02em;
  margin-bottom: 0.75rem;
  text-shadow: 0 2px 24px rgba(0,0,0,0.4);
}

.harco-hero-subtitle {
  font-family: 'Inter', 'Noto Sans TC', sans-serif;
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--harco-light-green);
  margin-bottom: 2rem;
  letter-spacing: 0.04em;
}

.harco-hero-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.2rem;
  margin-bottom: 2.5rem;
}

.harco-hero-meta-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255,255,255,0.85);
}

.harco-hero-meta-item i {
  font-size: 1rem;
  color: var(--harco-light-green);
}

.btn-harco-cta {
  display: inline-block;
  background-color: var(--harco-accent);
  color: var(--harco-dark);
  font-family: 'Inter', 'Noto Sans TC', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.85rem 2.8rem;
  border-radius: 50px;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
  box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.btn-harco-cta:hover {
  background-color: #e6b800;
  color: var(--harco-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

/* ==============================
   SECTION COMMON
============================== */
.harco-section {
  background-color: var(--harco-dark);
  padding: 5rem 0;
}

.harco-section-alt {
  background-color: #0e1a11;
  padding: 5rem 0;
}

.harco-section-title {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: 900;
  color: var(--harco-white);
  text-align: center;
  margin-bottom: 0.5rem;
}

.harco-section-bar {
  width: 44px;
  height: 3px;
  background: linear-gradient(90deg, var(--harco-dark-green), var(--harco-light-green));
  margin: 0 auto 3rem;
  border-radius: 2px;
}

/* ==============================
   EVENT INTRO
============================== */
.harco-intro-text {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 400;
  color: rgba(255,255,255,0.8);
  line-height: 1.9;
  text-align: center;
  max-width: 760px;
  margin: 0 auto;
}

.harco-challenge-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.8rem;
  margin-top: 2.5rem;
}

.harco-challenge-badge {
  background-color: rgba(45, 106, 79, 0.18);
  border: 1px solid rgba(82, 183, 136, 0.3);
  border-radius: 8px;
  padding: 0.9rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.harco-challenge-badge:hover {
  background-color: rgba(45, 106, 79, 0.32);
  border-color: rgba(82, 183, 136, 0.55);
}

.harco-challenge-badge i {
  font-size: 1.1rem;
  color: var(--harco-light-green);
  flex-shrink: 0;
}

/* ==============================
   RULES SECTION
============================== */
.harco-rules-card {
  background-color: #111811;
  border: 1px solid rgba(45,106,79,0.3);
  border-radius: 12px;
  padding: 2rem;
  height: 100%;
  transition: border-color 0.2s ease;
}

.harco-rules-card:hover {
  border-color: rgba(82,183,136,0.5);
}

.harco-rules-icon {
  width: 52px;
  height: 52px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--harco-dark-green), var(--harco-mid-green));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: var(--harco-light-green);
  margin-bottom: 1.2rem;
}

.harco-rules-title {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: var(--harco-white);
  margin-bottom: 0.6rem;
}

.harco-rules-desc {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.55);
  line-height: 1.75;
  margin-bottom: 0;
}

/* ==============================
   TICKET SECTION
============================== */
.harco-ticket-card {
  background-color: #111811;
  border: 1px solid rgba(45,106,79,0.3);
  border-radius: 16px;
  padding: 2rem 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  height: 100%;
}

.harco-ticket-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(26,71,42,0.4);
  border-color: rgba(82,183,136,0.5);
}

.harco-ticket-card.featured {
  border-color: var(--harco-light-green);
  background: linear-gradient(160deg, #0e2318, #163524);
}

.harco-ticket-badge {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background-color: var(--harco-accent);
  color: var(--harco-dark);
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.7rem;
  border-radius: 20px;
}

.harco-ticket-icon {
  font-size: 2.2rem;
  color: var(--harco-light-green);
  margin-bottom: 1rem;
}

.harco-ticket-tier {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--harco-white);
  margin-bottom: 0.4rem;
}

.harco-ticket-desc {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.harco-ticket-price {
  font-family: 'Inter', sans-serif;
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--harco-accent);
  margin-bottom: 0.2rem;
}

.harco-ticket-price-note {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 0.75rem;
  color: rgba(255,255,255,0.35);
  margin-bottom: 1.5rem;
}

.harco-ticket-features {
  list-style: none;
  padding: 0;
  margin-bottom: 1.8rem;
  text-align: left;
}

.harco-ticket-features li {
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.65);
  padding: 0.35rem 0;
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
}

.harco-ticket-features li i {
  color: var(--harco-light-green);
  font-size: 0.9rem;
  margin-top: 0.1rem;
  flex-shrink: 0;
}

.btn-harco-ticket {
  display: inline-block;
  background-color: transparent;
  border: 1.5px solid var(--harco-light-green);
  color: var(--harco-light-green);
  font-family: 'Inter', 'Noto Sans TC', sans-serif;
  font-size: 0.88rem;
  font-weight: 600;
  padding: 0.6rem 1.8rem;
  border-radius: 50px;
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
  width: 100%;
}

.btn-harco-ticket:hover {
  background-color: var(--harco-light-green);
  color: var(--harco-dark);
}

.harco-ticket-card.featured .btn-harco-ticket {
  background-color: var(--harco-accent);
  border-color: var(--harco-accent);
  color: var(--harco-dark);
}

.harco-ticket-card.featured .btn-harco-ticket:hover {
  background-color: #e6b800;
  border-color: #e6b800;
}

/* ==============================
   FAQ ACCORDION
============================== */
.harco-faq .accordion-item {
  background-color: #111811;
  border: 1px solid rgba(45,106,79,0.3);
  border-radius: 8px !important;
  margin-bottom: 0.6rem;
  overflow: hidden;
}

.harco-faq .accordion-button {
  background-color: #111811;
  color: rgba(255,255,255,0.9);
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 1.1rem 1.4rem;
  border-radius: 8px !important;
  box-shadow: none;
}

.harco-faq .accordion-button:not(.collapsed) {
  background-color: #152215;
  color: var(--harco-light-green);
  box-shadow: none;
}

.harco-faq .accordion-button::after {
  filter: invert(1) brightness(0.6);
}

.harco-faq .accordion-button:not(.collapsed)::after {
  filter: invert(68%) sepia(30%) saturate(600%) hue-rotate(100deg) brightness(1);
}

.harco-faq .accordion-body {
  background-color: #152215;
  color: rgba(255,255,255,0.6);
  font-family: 'Noto Sans TC', sans-serif;
  font-size: 0.9rem;
  line-height: 1.8;
  padding: 1rem 1.4rem 1.2rem;
}

/* ==============================
   RESPONSIVE
============================== */
@media (max-width: 767.98px) {
  .event-subnav {
    top: 60px;
  }

  .event-subnav .nav-link {
    font-size: 0.72rem;
    padding: 0.7rem 0.6rem;
  }

  .harco-hero {
    min-height: 100svh;
  }

  .harco-challenge-grid {
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  }
}