/* ============================================
   ARK-OS — About Page Red Theme
   ============================================ */

/* --- Material 3 Red Theme Tokens --- */
:root {
  --md-sys-color-primary: #FFB4AB;
  --md-sys-color-on-primary: #690005;
  --md-sys-color-primary-container: #93000A;
  --md-sys-color-on-primary-container: #FFDAD6;

  --md-sys-color-secondary: #E7BDB8;
  --md-sys-color-on-secondary: #442926;
  --md-sys-color-secondary-container: #5D3F3C;
  --md-sys-color-on-secondary-container: #FFDAD6;

  --md-sys-color-tertiary: #DEC48C;
  --md-sys-color-on-tertiary: #3F2E04;
  --md-sys-color-tertiary-container: #584419;
  --md-sys-color-on-tertiary-container: #FBE0A6;

  --md-sys-color-error: #FFB4AB;
  --md-sys-color-on-error: #690005;

  --md-sys-color-background: #0e0a09;
  --md-sys-color-on-background: #EDE0DF;
  --md-sys-color-surface: #120e0d;
  --md-sys-color-on-surface: #EDE0DF;
  --md-sys-color-surface-variant: #1f1a19;
  --md-sys-color-on-surface-variant: #D8C2BF;
  --md-sys-color-surface-container: #1a1514;
  --md-sys-color-surface-container-high: #241f1e;
  --md-sys-color-outline: #A08C89;
  --md-sys-color-outline-variant: #534341;

  --md-ref-typeface-brand: 'Inter', sans-serif;
  --md-ref-typeface-plain: 'Inter', sans-serif;

  --about-accent: #FF6B5A;
  --about-accent-glow: rgba(255, 107, 90, 0.15);
}

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background: var(--md-sys-color-background);
  color: var(--md-sys-color-on-background);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

a {
  color: var(--md-sys-color-primary);
  text-decoration: none;
}

/* --- Header --- */
#main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(14, 10, 9, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.logo {
  height: 40px;
  width: 40px;
  border-radius: 10px;
  object-fit: contain;
  filter: invert(1);
}

.logo-text {
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--md-sys-color-on-surface);
}

nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* --- About Page Content --- */
.about-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 32px 80px;
  position: relative;
}

/* Red ambient glow */
.about-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(147, 0, 10, 0.15) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

.about-hero > * {
  position: relative;
  z-index: 1;
}

/* --- Avatar --- */
.avatar-wrapper {
  position: relative;
  margin-bottom: 32px;
}

.avatar-ring {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  padding: 4px;
  background: linear-gradient(135deg, #FF6B5A, #93000A, #FFB4AB);
  background-size: 200% 200%;
  animation: ring-rotate 4s ease infinite;
  box-shadow: 0 0 40px rgba(147, 0, 10, 0.3);
}

@keyframes ring-rotate {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.avatar-img {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--md-sys-color-background);
}

.avatar-status {
  position: absolute;
  bottom: 8px;
  right: 8px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #27c93f;
  border: 4px solid var(--md-sys-color-background);
}

/* --- Profile Info --- */
.profile-name {
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  margin-bottom: 4px;
  background: linear-gradient(135deg, #FFB4AB, #FF6B5A);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fade-up 0.8s ease forwards;
}

.profile-handle {
  font-size: 1.1rem;
  color: var(--md-sys-color-on-surface-variant);
  opacity: 0.6;
  margin-bottom: 8px;
  animation: fade-up 0.8s ease 0.1s forwards;
  opacity: 0;
  transform: translateY(20px);
}

.profile-org {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: 999px;
  background: rgba(255, 107, 90, 0.08);
  border: 1px solid rgba(255, 107, 90, 0.15);
  color: var(--about-accent);
  font-weight: 500;
  font-size: 0.95rem;
  margin-bottom: 24px;
  animation: fade-up 0.8s ease 0.2s forwards;
  opacity: 0;
  transform: translateY(20px);
}

.profile-bio {
  max-width: 520px;
  font-size: 1.1rem;
  color: var(--md-sys-color-on-surface-variant);
  opacity: 0.7;
  line-height: 1.7;
  margin-bottom: 32px;
  animation: fade-up 0.8s ease 0.3s forwards;
  opacity: 0;
  transform: translateY(20px);
}

/* --- Stats --- */
.profile-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 32px;
  animation: fade-up 0.8s ease 0.4s forwards;
  opacity: 0;
  transform: translateY(20px);
}

.stat {
  text-align: center;
}

.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--md-sys-color-on-surface);
  display: block;
}

.stat-label {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--md-sys-color-on-surface-variant);
  opacity: 0.5;
}

/* --- Actions --- */
.profile-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  justify-content: center;
  animation: fade-up 0.8s ease 0.5s forwards;
  opacity: 0;
  transform: translateY(20px);
}

/* --- Footer --- */
footer {
  border-top: 1px solid rgba(255,255,255,0.04);
  padding: 40px 32px;
  text-align: center;
}

.footer-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.footer-logo {
  height: 28px;
  width: 28px;
  border-radius: 6px;
  object-fit: contain;
  filter: invert(1);
}

.footer-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--md-sys-color-on-surface);
}

.footer-text {
  font-size: 0.875rem;
  color: var(--md-sys-color-on-surface-variant);
  opacity: 0.6;
}

footer a {
  color: var(--md-sys-color-primary);
}

@keyframes fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .about-hero {
    padding: 100px 20px 60px;
  }

  .profile-stats {
    gap: 20px;
  }

  .header-inner {
    padding: 12px 16px;
  }
}