/* ===== DESIGN TOKENS ===== */
:root, [data-theme="light"] {
  --font-display: 'Chillax', 'Helvetica Neue', sans-serif;
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;

  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.95rem + 0.25vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem    + 0.75vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1.2rem  + 1.25vw, 2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-hero: clamp(2.75rem,  1rem    + 5vw,    5.5rem);

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Colors — Bright & Playful */
  --color-bg: #FFFBF5;
  --color-surface: #FFF8EE;
  --color-surface-2: #FFF3E0;
  --color-border: #F0E0CC;
  --color-divider: #F5E8D8;

  --color-text: #1A1A2E;
  --color-text-muted: #6B6B80;
  --color-text-faint: #A0A0B0;

  --color-accent: #FF7A00;
  --color-accent-hover: #E86E00;
  --color-accent-active: #CC6000;

  --color-blue: #3B82F6;
  --color-blue-hover: #2563EB;

  --color-purple: #A855F7;
  --color-magenta: #EC4899;

  --color-gradient-start: #FF7A00;
  --color-gradient-end: #EC4899;

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 3px rgba(26, 26, 46, 0.06);
  --shadow-md: 0 4px 16px rgba(26, 26, 46, 0.08);
  --shadow-lg: 0 12px 40px rgba(26, 26, 46, 0.12);
  --shadow-glow: 0 0 30px rgba(255, 122, 0, 0.15);

  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --content-wide: 1200px;
}

/* Dark Mode */
[data-theme="dark"] {
  --color-bg: #0F0F1A;
  --color-surface: #1A1A2E;
  --color-surface-2: #222240;
  --color-border: #2D2D4A;
  --color-divider: #252540;

  --color-text: #E8E8F0;
  --color-text-muted: #9090A8;
  --color-text-faint: #5A5A72;

  --color-accent: #FF9A40;
  --color-accent-hover: #FFB060;
  --color-accent-active: #FF8A20;

  --color-blue: #60A5FA;
  --color-purple: #C084FC;
  --color-magenta: #F472B6;

  --color-gradient-start: #FF9A40;
  --color-gradient-end: #F472B6;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(255, 154, 64, 0.2);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0F0F1A;
    --color-surface: #1A1A2E;
    --color-surface-2: #222240;
    --color-border: #2D2D4A;
    --color-divider: #252540;
    --color-text: #E8E8F0;
    --color-text-muted: #9090A8;
    --color-text-faint: #5A5A72;
    --color-accent: #FF9A40;
    --color-accent-hover: #FFB060;
    --color-accent-active: #FF8A20;
    --color-blue: #60A5FA;
    --color-purple: #C084FC;
    --color-magenta: #F472B6;
    --color-gradient-start: #FF9A40;
    --color-gradient-end: #F472B6;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(255, 154, 64, 0.2);
  }
}

/* ===== UTILITY ===== */
.text-gradient {
  background: linear-gradient(135deg, var(--color-gradient-start), var(--color-gradient-end));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== HEADER ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-divider);
  transition: box-shadow var(--transition);
}
.header--scrolled { box-shadow: var(--shadow-md); }
.header-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-4) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}
.logo-icon { color: var(--color-text); flex-shrink: 0; }
.logo-icon { --color-accent: var(--color-accent); }
.logo-text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
}
.logo-atx {
  color: var(--color-accent);
}

/* Nav */
.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.nav-list a {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
}
.nav-list a:hover { color: var(--color-text); }
.nav-cta {
  background: var(--color-accent) !important;
  color: #fff !important;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--color-accent-hover) !important; }

/* Mobile toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  z-index: 200;
}
.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}
.mobile-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2);
  color: var(--color-text-muted);
  border-radius: var(--radius-full);
}
.theme-toggle:hover { color: var(--color-text); background: var(--color-surface); }

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  background: var(--color-bg);
  padding: 6rem var(--space-8) var(--space-8);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}
.mobile-menu.active {
  opacity: 1;
  pointer-events: all;
}
.mobile-menu ul { display: flex; flex-direction: column; gap: var(--space-6); }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  text-decoration: none;
}
.mobile-menu a:hover { color: var(--color-accent); }

@media (max-width: 768px) {
  .nav-list { display: none; }
  .mobile-toggle { display: flex; }
  .mobile-menu { display: block; }
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }
.btn-secondary {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn-secondary:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}
.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-base);
}

/* ===== HERO ===== */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-6) clamp(var(--space-12), 6vw, var(--space-20));
}
.hero-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
}
.hero-content { z-index: 2; }
.hero-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-4);
  background: color-mix(in srgb, var(--color-accent) 10%, transparent);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.hero-sub {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--space-8);
  max-width: 48ch;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.hero-image {
  display: flex;
  justify-content: center;
  z-index: 2;
}
.hero-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  max-height: 560px;
  width: auto;
  object-fit: contain;
  transition: transform 400ms cubic-bezier(0.16, 1, 0.3, 1);
}
.hero-image img:hover { transform: scale(1.02) rotate(-1deg); }

/* Paw decorations */
.paw-decoration {
  position: absolute;
  font-size: 2rem;
  opacity: 0.08;
  pointer-events: none;
  user-select: none;
}
.paw-1 { top: 15%; right: 8%; font-size: 3rem; transform: rotate(-20deg); }
.paw-2 { bottom: 20%; left: 5%; font-size: 2.5rem; transform: rotate(15deg); }
.paw-3 { top: 60%; right: 45%; font-size: 1.8rem; transform: rotate(-40deg); }

@media (max-width: 768px) {
  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: var(--space-8);
  }
  .hero-sub { margin-left: auto; margin-right: auto; }
  .hero-actions { justify-content: center; }
  .hero-image { order: -1; }
  .hero-image img { max-height: 400px; }
}

/* ===== SECTIONS SHARED ===== */
.section-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: clamp(var(--space-16), 8vw, var(--space-24)) var(--space-6);
}
.section-label {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}
.section-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}
.section-desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
  margin-bottom: var(--space-12);
}

/* ===== ABOUT / FEATURES ===== */
.about { background: var(--color-bg); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}
.feature-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  transition: transform var(--transition), box-shadow var(--transition);
}
.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--space-4);
}
.feature-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.feature-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .features-grid { grid-template-columns: 1fr; }
}

/* ===== EVENTS ===== */
.events { background: var(--color-surface); }
.event-card {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-10);
  background: var(--color-bg);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.event-card-image {
  padding: var(--space-6);
  display: flex;
  align-items: center;
}
.event-card-image img {
  border-radius: var(--radius-lg);
  max-height: 380px;
  width: auto;
  box-shadow: var(--shadow-sm);
}
.event-card-content {
  padding: var(--space-8) var(--space-8) var(--space-8) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.event-badge {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--color-accent), var(--color-magenta));
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  width: fit-content;
  margin-bottom: var(--space-4);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.event-card-content h3 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-bottom: var(--space-6);
  color: var(--color-text);
}
.event-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.event-detail {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.event-detail-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.event-detail span:last-child {
  font-size: var(--text-sm);
  color: var(--color-text);
  font-weight: 500;
}
.event-note {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
  font-style: italic;
}

@media (max-width: 768px) {
  .event-card { grid-template-columns: 1fr; }
  .event-card-image { justify-content: center; padding: var(--space-4); }
  .event-card-image img { max-height: 300px; }
  .event-card-content { padding: 0 var(--space-6) var(--space-6); }
  .event-details { grid-template-columns: 1fr; }
}

/* ===== SPONSORS ===== */
.sponsors { background: var(--color-bg); }
.sponsors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.sponsor-card {
  background: var(--color-surface);
  border: 1px solid var(--color-divider);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
a.sponsor-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}
.sponsor-card h3 {
  font-family: var(--font-display);
  font-size: var(--text-base);
  font-weight: 600;
  margin-bottom: var(--space-2);
  color: var(--color-text);
}
.sponsor-card p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
}

@media (max-width: 768px) {
  .sponsors-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .sponsors-grid { grid-template-columns: 1fr; }
}

/* ===== JOIN THE PACK ===== */
.join {
  background: linear-gradient(135deg, var(--color-accent), var(--color-magenta));
  color: #fff;
  text-align: center;
}
.join .section-inner {
  display: flex;
  justify-content: center;
}
.join-content { max-width: 560px; }
.join-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  margin-bottom: var(--space-3);
  color: #fff;
}
.join-sub {
  font-size: var(--text-base);
  opacity: 0.9;
  margin-bottom: var(--space-8);
}
.join-form { margin-bottom: var(--space-3); }
.join-fields {
  display: flex;
  gap: var(--space-3);
  max-width: 420px;
  margin: 0 auto;
}
.join-input {
  flex: 1;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  border: 2px solid rgba(255,255,255,0.3);
  background: rgba(255,255,255,0.15);
  color: #fff;
  font-size: var(--text-sm);
}
.join-input::placeholder { color: rgba(255,255,255,0.6); }
.join-input:focus {
  outline: none;
  border-color: #fff;
  background: rgba(255,255,255,0.2);
}
.join .btn-primary {
  background: #fff;
  color: var(--color-accent);
  flex-shrink: 0;
}
.join .btn-primary:hover {
  background: rgba(255,255,255,0.9);
  box-shadow: 0 0 20px rgba(255,255,255,0.3);
}
.join-success {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-weight: 600;
  font-size: var(--text-base);
}
.join-note {
  font-size: var(--text-xs);
  opacity: 0.7;
}

@media (max-width: 480px) {
  .join-fields { flex-direction: column; }
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-divider);
}
.footer-inner {
  max-width: var(--content-wide);
  margin: 0 auto;
  padding: var(--space-10) var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-brand p {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}
.footer-links a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--text-sm);
  font-weight: 500;
}
.footer-links a:hover { color: var(--color-accent); }
.footer-links svg { flex-shrink: 0; }
.footer-copy {
  width: 100%;
  text-align: center;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-divider);
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms ease, transform 600ms ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}