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

:root {
  /* Backgrounds */
  --color-bg: #09090b;
  --color-bg-elevated: #18181b;
  --color-bg-subtle: #27272a;

  /* Glass */
  --color-glass: rgba(255, 255, 255, 0.03);
  --color-glass-border: rgba(255, 255, 255, 0.06);
  --color-glass-hover: rgba(255, 255, 255, 0.06);

  /* Text */
  --color-text: #fafafa;
  --color-text-muted: #a1a1aa;
  --color-text-subtle: #71717a;

  /* Accent gradient */
  --color-accent-1: #818cf8;
  --color-accent-2: #a78bfa;
  --color-accent-3: #c084fc;
  --gradient-accent: linear-gradient(135deg, #818cf8, #a78bfa, #c084fc);
  --gradient-glow: linear-gradient(135deg, rgba(129,140,248,0.15), rgba(192,132,252,0.15));

  /* Fonts */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Space Grotesk', sans-serif;

  /* Layout */
  --max-width: 1120px;
  --radius: 14px;
  --transition: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  background-image: radial-gradient(rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 24px 24px;
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

strong {
  color: var(--color-text);
  font-weight: 600;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Gradient Text ===== */
.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: 10px;
  padding: 14px 32px;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  letter-spacing: -0.01em;
  position: relative;
}

.btn-sm {
  padding: 10px 22px;
  font-size: 0.875rem;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #fff;
  box-shadow: 0 0 24px rgba(129, 140, 248, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 40px rgba(129, 140, 248, 0.4);
}

.btn-glow {
  animation: btn-pulse 3s ease-in-out infinite;
}

@keyframes btn-pulse {
  0%, 100% { box-shadow: 0 0 24px rgba(129, 140, 248, 0.25); }
  50% { box-shadow: 0 0 40px rgba(129, 140, 248, 0.4); }
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-glass-border);
  backdrop-filter: blur(8px);
}

.btn-outline:hover {
  border-color: var(--color-accent-1);
  background: rgba(129, 140, 248, 0.06);
  transform: translateY(-2px);
}

/* ===== Navigation ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 20px 0;
  transition: all var(--transition);
  background: transparent;
}

.nav.scrolled {
  background: rgba(9, 9, 11, 0.8);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 14px 0;
  border-bottom: 1px solid var(--color-glass-border);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color var(--transition);
}

.nav-links a:hover {
  color: var(--color-text);
}

.nav-links .btn {
  background: var(--gradient-accent);
  color: #fff;
}

.nav-links .btn:hover {
  box-shadow: 0 0 24px rgba(129, 140, 248, 0.3);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 160px 0 100px;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

#hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 0;
  filter: blur(80px);
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(129,140,248,0.1), transparent 70%);
  top: -150px;
  right: -100px;
  animation: float-1 20s ease-in-out infinite;
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(192,132,252,0.08), transparent 70%);
  bottom: -100px;
  left: -150px;
  animation: float-2 25s ease-in-out infinite;
}

@keyframes float-1 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -25px) scale(1.05); }
  66% { transform: translate(-20px, 15px) scale(0.95); }
}

@keyframes float-2 {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(-25px, 20px) scale(1.05); }
  66% { transform: translate(15px, -30px) scale(0.95); }
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-2);
  margin-bottom: 20px;
  line-height: 1.6;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.04em;
  margin-bottom: 24px;
  color: var(--color-text);
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 520px;
}

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

.hero-image {
  display: flex;
  justify-content: center;
}

.hero-image-ring {
  position: relative;
  display: inline-block;
  padding: 4px;
  border-radius: 50%;
  background: var(--gradient-accent);
  box-shadow: 0 0 60px rgba(129, 140, 248, 0.25), 0 0 120px rgba(192, 132, 252, 0.1);
}

.hero-image-ring img {
  width: 100%;
  max-width: 440px;
  border-radius: 50%;
  object-fit: cover;
  display: block;
}

/* ===== Sections ===== */
.section {
  position: relative;
  padding: 100px 0;
}

.section-has-canvas {
  position: relative;
  overflow: hidden;
}

.section-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.section-has-canvas > .container,
.section-has-canvas > .contact-glow,
.section-has-canvas > .section-divider {
  position: relative;
  z-index: 1;
}

.section-divider {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-glass-border) 20%, var(--color-glass-border) 80%, transparent);
}

.section-contact {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(180deg, var(--color-bg) 0%, rgba(129,140,248,0.03) 50%, var(--color-bg) 100%);
}

.contact-glow {
  position: absolute;
  width: 500px;
  height: 500px;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(129,140,248,0.06), transparent 70%);
  pointer-events: none;
  filter: blur(60px);
}

.section-grid {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 60px;
}

.section-label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-accent-2);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
  line-height: 1.15;
}

.section-content-col p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 16px;
  max-width: 640px;
}

/* ===== Stats ===== */
.stats {
  display: flex;
  gap: 48px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--color-glass-border);
}

.stat-number {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.stat-desc {
  font-size: 0.85rem;
  color: var(--color-text-subtle);
}

/* ===== Cards ===== */
.cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.card {
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius);
  padding: 36px;
  transition: all var(--transition);
  backdrop-filter: blur(8px);
}

.card:hover {
  transform: translateY(-4px);
  background: var(--color-glass-hover);
  border-color: rgba(129, 140, 248, 0.15);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(129, 140, 248, 0.05);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, rgba(129,140,248,0.12), rgba(192,132,252,0.12));
  border: 1px solid rgba(129, 140, 248, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-accent-2);
}

.card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text);
}

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

/* ===== Credentials ===== */
.credentials-list {
  display: flex;
  flex-direction: column;
}

.credential {
  display: flex;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--color-glass-border);
  align-items: baseline;
}

.credential:first-child {
  padding-top: 0;
}

.credential:last-child {
  border-bottom: none;
}

.credential-badge {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-2);
  background: linear-gradient(135deg, rgba(129,140,248,0.1), rgba(192,132,252,0.1));
  border: 1px solid rgba(129, 140, 248, 0.2);
  border-radius: 6px;
  padding: 4px 12px;
  min-width: 48px;
  text-align: center;
  letter-spacing: 0.05em;
}

.credential h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text);
}

.credential p {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

.credential-detail {
  margin-top: 8px;
  font-size: 0.88rem;
  color: var(--color-text-subtle);
  line-height: 1.6;
}

.cred-subtitle {
  margin-top: 48px;
}

/* ===== Certification Tags ===== */
.cert-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  list-style: none;
  padding: 0;
}

.cert-tags li {
  font-size: 0.84rem;
  color: var(--color-text-muted);
  background: var(--color-glass);
  padding: 8px 18px;
  border-radius: 100px;
  border: 1px solid var(--color-glass-border);
  transition: all var(--transition);
}

.cert-tags li:hover {
  background: rgba(129, 140, 248, 0.08);
  border-color: rgba(129, 140, 248, 0.2);
  color: var(--color-text);
}

/* ===== Volunteer Grid ===== */
.volunteer-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.volunteer {
  padding: 20px 24px;
  background: var(--color-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius);
  transition: all var(--transition);
}

.volunteer:hover {
  background: var(--color-glass-hover);
  border-color: rgba(129, 140, 248, 0.15);
  transform: translateY(-2px);
}

.volunteer h4 {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--color-text);
}

.volunteer p {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* ===== Contact ===== */
.contact-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 600px;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-top: 16px;
  margin-bottom: 16px;
}

.contact-subtitle {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: 36px;
}

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

/* ===== Footer ===== */
.footer {
  padding: 32px 0;
  border-top: 1px solid var(--color-glass-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer p {
  font-size: 0.85rem;
  color: var(--color-text-subtle);
}

.footer-links {
  display: flex;
  gap: 20px;
}

.footer-links a {
  color: var(--color-text-subtle);
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-accent-2);
}

/* ===== Animations ===== */
.animate-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.animate-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: 48px;
    text-align: center;
  }

  .hero-title {
    font-size: 2.4rem;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-image {
    order: -1;
  }

  .hero-image-ring img {
    max-width: 280px;
  }

  .section-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .cards {
    grid-template-columns: 1fr;
  }

  .stats {
    gap: 32px;
    flex-wrap: wrap;
  }

  .volunteer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(9, 9, 11, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--color-glass-border);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  .hero {
    padding: 120px 0 60px;
    min-height: auto;
  }

  .hero-title {
    font-size: 2rem;
  }

  .section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 1.6rem;
  }

  .credential {
    flex-direction: column;
    gap: 8px;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  body {
    background-image: none;
  }
}