/* ============================================================
   DESIGN TOKENS — Dark "Digital Executive" theme
   Primary accent: #76D7EA (Cyan)
   ============================================================ */
:root {
  --bg:            #0a0a0a;
  --surface:       #111111;
  --surface-high:  #1a1a1a;
  --surface-card:  #141414;
  --border:        rgba(234,234,234,0.08);
  --border-hover:  rgba(118,215,234,0.3);
  --text:          #f0f0f0;
  --text-muted:    #8a8a8a;
  --text-dim:      #555555;
  --accent:        #76D7EA;
  --accent-dim:    rgba(118,215,234,0.12);
  --accent-glow:   rgba(118,215,234,0.25);
  --white:         #ffffff;
  --font:          'Inter', sans-serif;
  --nav-h:         72px;
  --radius-sm:     6px;
  --radius:        10px;
  --radius-lg:     16px;
  --radius-xl:     24px;
  --trans:         0.25s cubic-bezier(0.4,0,0.2,1);
  --container:     1120px;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: var(--font); }

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

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(10,10,10,0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--trans), background var(--trans);
}
.navbar.scrolled {
  border-bottom-color: var(--border);
  background: rgba(10,10,10,0.95);
}
.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-logo {
  font-size: 22px;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--white);
  flex-shrink: 0;
}
.nav-links {
  display: flex;
  justify-content: center;
  gap: 4px;
  flex: 1;
}
.nav-link {
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--trans), background var(--trans);
}
.nav-link:hover, .nav-link.active {
  color: var(--white);
  background: rgba(255,255,255,0.06);
}
.nav-link.active { color: var(--accent); }
.nav-cta {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  background: var(--accent);
  color: #000;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
  transition: opacity var(--trans), transform var(--trans);
}
.nav-cta .material-icons-round { font-size: 16px; }
.nav-cta:hover { opacity: 0.88; transform: translateY(-1px); }
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 6px;
  margin-left: auto;
}
.nav-hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--trans);
}
.nav-mobile {
  display: none;
  flex-direction: column;
  padding: 12px 24px 20px;
  background: rgba(10,10,10,0.98);
  border-top: 1px solid var(--border);
}
.nav-mobile.open { display: flex; }
.mobile-link {
  padding: 12px 0;
  font-size: 16px;
  font-weight: 500;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  transition: color var(--trans);
}
.mobile-link:hover { color: var(--accent); }

/* ============================================================
   GAMIFICATION & INTERACTION
   ============================================================ */
/* Scroll Progress */
.scroll-progress-container {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: transparent;
  z-index: 9999;
}
.scroll-progress-bar {
  height: 100%;
  background: var(--accent);
  width: 0%;
  border-radius: 0 2px 2px 0;
  box-shadow: 0 0 10px rgba(118, 215, 234, 0.6);
  transition: width 0.1s ease-out;
}

/* Custom Cursor */
@media (hover: hover) and (pointer: fine) {
  body { cursor: none; }
  a, button, input, textarea { cursor: none; }
}

.cursor-dot, .cursor-outline {
  position: fixed;
  top: 0; left: 0;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  z-index: 10000;
  pointer-events: none;
}
.cursor-dot {
  width: 8px; height: 8px;
  background-color: var(--accent);
  transition: transform 0.1s ease-out, opacity 0.2s ease;
}
.cursor-outline {
  width: 32px; height: 32px;
  border: 1px solid rgba(118, 215, 234, 0.4);
  background-color: rgba(118, 215, 234, 0.05);
  transition: width 0.2s ease-out, height 0.2s ease-out, transform 0.15s ease-out;
}
/* Hover states for cursor */
.cursor-hover .cursor-dot {
  transform: translate(-50%, -50%) scale(1.5);
}
.cursor-hover .cursor-outline {
  width: 48px; height: 48px;
  border-color: var(--accent);
  background-color: rgba(118, 215, 234, 0.1);
}

/* Reveal classes for scroll animations */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}
/* Staggering children */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-stagger.active > * {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.active > *:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger.active > *:nth-child(2) { transition-delay: 0.2s; }
.reveal-stagger.active > *:nth-child(3) { transition-delay: 0.3s; }
.reveal-stagger.active > *:nth-child(4) { transition-delay: 0.4s; }
.reveal-stagger.active > *:nth-child(5) { transition-delay: 0.5s; }

/* 3D Tilt Wrapper */
.tilt-card {
  transform-style: preserve-3d;
  transform: perspective(1000px);
  transition: transform 0.1s ease-out;
  will-change: transform;
}

/* Disable custom cursor on mobile */
@media (max-width: 900px) {
  .cursor-dot, .cursor-outline { display: none; }
}

/* ============================================================
   ACCENT
   ============================================================ */
.accent { color: var(--accent); }
.accent-text {
  background: linear-gradient(135deg, var(--accent) 0%, #a8f0ff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   SECTIONS
   ============================================================ */
.section {
  padding: 100px 0;
}
.section-alt { background: var(--surface); }
.section-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 16px;
}
.section-sub {
  font-size: 17px;
  color: var(--text-muted);
  max-width: 540px;
  line-height: 1.7;
  margin-bottom: 56px;
}

/* ============================================================
   HERO
   ============================================================ */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}
.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(118,215,234,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(118,215,234,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}
.hero-glow {
  position: absolute;
  top: -200px; left: 50%;
  transform: translateX(-50%);
  width: 800px; height: 600px;
  background: radial-gradient(ellipse at center, rgba(118,215,234,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: var(--accent-dim);
  border: 1px solid rgba(118,215,234,0.2);
  border-radius: 99px;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 28px;
}
.tag-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%       { opacity: 0.5; transform: scale(1.4); }
}

.hero-container {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  position: relative;
  z-index: 10;
  text-align: center;
  width: 100%;
}
.hero-content {
  flex: 1;
  max-width: 650px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-image-wrapper {
  position: absolute;
  top: 0;
  right: 0;
  width: 50vw;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero-image-bg {
  display: none;
}
.hero-portrait {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 30%, black 100%);
  mask-image: linear-gradient(to right, transparent 0%, black 30%, black 100%);
  opacity: 0.95;
}

@media (max-width: 900px) {
  .hero-container {
    flex-direction: column-reverse;
    text-align: center;
    gap: 1rem;
    padding-top: 2rem;
  }
  .hero-content {
    align-items: center;
    display: flex;
    flex-direction: column;
    position: relative;
    z-index: 2;
    padding-bottom: 3rem;
  }
  .hero-image-wrapper {
    position: relative;
    width: 100%;
    height: 350px;
    margin-top: 0;
    z-index: 1;
  }
  .hero-portrait {
    border-radius: 20px;
    object-position: center 15%;
    -webkit-mask-image: linear-gradient(to bottom, black 65%, transparent 100%);
    mask-image: linear-gradient(to bottom, black 65%, transparent 100%);
  }
  .hero-focus { justify-content: center; }
  .hero-actions { justify-content: center; flex-direction: column; width: 100%; gap: 12px; }
  .hero-actions .btn-primary, .hero-actions .btn-secondary { width: 100%; text-align: center; justify-content: center; }
  .hero-socials { justify-content: center; }
  .hero-stats { justify-content: center; flex-direction: column; gap: 16px; }
}
.hero-headline {
  font-size: clamp(38px, 10vw, 88px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 24px;
}
.hero-sub {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.hero-socials {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 64px;
}
.social-link {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  transition: color var(--trans);
}
.social-link:hover { color: var(--accent); }
.hero-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px 32px;
  width: fit-content;
  flex-wrap: wrap;
}
.stat-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 0 32px;
}
.stat-card:first-child { padding-left: 0; }
.stat-card:last-child  { padding-right: 0; }
.stat-num {
  font-size: 40px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--white);
  line-height: 1;
}
.stat-card .accent {
  font-size: 32px;
  font-weight: 800;
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 6px;
  white-space: nowrap;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
  flex-shrink: 0;
}
/* Hero focus chips */
.hero-focus {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.focus-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  background: var(--accent-dim);
  border: 1px solid rgba(118,215,234,0.2);
  border-radius: 99px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
}
.focus-chip .material-icons-round { font-size: 15px; }

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  color: var(--text-dim);
  animation: bounce 2s infinite;
}
@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  background: var(--accent);
  color: #000;
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  border: none;
  transition: opacity var(--trans), transform var(--trans), box-shadow var(--trans);
}
.btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--accent-glow);
}
.btn-primary .material-icons-round { font-size: 18px; }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  background: transparent;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  transition: border-color var(--trans), color var(--trans), background var(--trans);
}
.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}
.full-width { width: 100%; justify-content: center; }

/* ============================================================
   EXPERTISE STRIP
   ============================================================ */
.expertise-strip {
  padding: 20px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}
.expertise-strip .container {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}
.strip-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  white-space: nowrap;
  flex-shrink: 0;
}
.strip-items {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-muted);
  font-weight: 500;
}
.strip-items .accent { font-size: 18px; line-height: 1; }

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-para {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.8;
  margin-bottom: 32px;
}
.mission-vision { display: flex; flex-direction: column; gap: 16px; margin-bottom: 28px; }
.mv-card {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 18px;
  background: var(--surface-high);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--trans);
}
.mv-card:hover { border-color: var(--border-hover); }
.mv-icon {
  width: 36px; height: 36px; flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.mv-icon .material-icons-round { font-size: 18px; }
.mv-title { font-size: 12px; font-weight: 700; color: var(--accent); letter-spacing: 0.06em; text-transform: uppercase; margin-bottom: 4px; }
.mv-text  { font-size: 13px; color: var(--text-muted); line-height: 1.65; }
.about-badges { display: flex; flex-direction: column; gap: 8px; }
.badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 12px; color: var(--text-muted); font-weight: 500;
}
.badge .material-icons-round { font-size: 15px; color: var(--accent); }

/* Teaching card */
.teach-card {
  background: var(--surface-high);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.teach-header {
  display: flex; align-items: center; gap: 8px;
  font-size: 15px; font-weight: 700; color: var(--accent);
}
.teach-header .material-icons-round { font-size: 20px; }
.teach-programs { display: flex; gap: 8px; flex-wrap: wrap; }
.prog-badge {
  padding: 5px 14px;
  background: var(--accent-dim);
  border: 1px solid rgba(118,215,234,0.25);
  border-radius: 99px;
  font-size: 13px; font-weight: 700; color: var(--accent);
}
.teach-institutes, .teach-tracks { display: flex; flex-direction: column; gap: 10px; }
.institute-item, .track-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-muted);
}
.institute-item .material-icons-round,
.track-item .material-icons-round { font-size: 16px; color: var(--accent); }

/* ============================================================
   COURSES GRID
   ============================================================ */
.modules-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.module-card {
  position: relative;
  background: rgba(20, 20, 25, 0.7);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(118,215,234,0.1);
  border-radius: var(--radius-xl);
  padding: 32px;
  transition: all 0.4s cubic-bezier(0.2, 0.8, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 16px;
  overflow: hidden;
  z-index: 1;
}
.module-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  padding: 1px;
  background: linear-gradient(135deg, rgba(118,215,234,0.6), rgba(162,100,255,0.4), transparent 60%);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.3;
  transition: opacity 0.4s ease;
  z-index: -1;
}
.module-card:hover {
  transform: translateY(-8px) scale(1.02);
  background: rgba(30, 30, 40, 0.8);
  box-shadow: 0 20px 40px rgba(118,215,234,0.15), 0 0 80px rgba(162,100,255,0.1);
}
.module-card:hover::before {
  opacity: 1;
}
.module-card.featured {
  grid-column: span 2;
  background: linear-gradient(135deg, rgba(162,100,255,0.1) 0%, rgba(118,215,234,0.05) 100%);
}
.module-num {
  position: absolute;
  top: -10px;
  right: -10px;
  font-size: 120px;
  font-weight: 900;
  color: rgba(255,255,255,0.02);
  line-height: 1;
  pointer-events: none;
  z-index: -1;
  transition: color 0.4s ease;
}
.module-card:hover .module-num {
  color: rgba(118,215,234,0.08);
}
.card-badge {
  position: absolute;
  top: 24px; right: 24px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: linear-gradient(90deg, #A264FF, #76D7EA);
  box-shadow: 0 4px 15px rgba(162,100,255,0.3);
  padding: 4px 12px;
  border-radius: 99px;
  z-index: 2;
}
.module-card h3 {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: #fff;
  z-index: 2;
}
.module-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
  flex: 1;
  z-index: 2;
}
.card-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.tag {
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border);
  border-radius: 99px;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.card-cta {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  transition: gap var(--trans), opacity var(--trans);
  margin-top: auto;
}
.card-cta .material-icons-round { font-size: 16px; }
.card-cta:hover { gap: 8px; opacity: 0.8; }
.courses-note {
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 28px;
}

/* ============================================================
   RESUME
   ============================================================ */
.resume-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}
.resume-col-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  color: var(--accent);
}
.resume-col-title .material-icons-round { font-size: 20px; }
.mt { margin-top: 40px; }

/* Timeline */
.timeline { position: relative; }
.timeline::before {
  content: '';
  position: absolute;
  left: 10px; top: 8px; bottom: 8px;
  width: 1px;
  background: var(--border);
}
.timeline-item {
  position: relative;
  padding-left: 36px;
  margin-bottom: 36px;
}
.timeline-dot {
  position: absolute;
  left: 4px; top: 8px;
  width: 13px; height: 13px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(118,215,234,0.15);
}
.timeline-meta {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  letter-spacing: 0.04em;
  margin-bottom: 4px;
}
.timeline-content h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
}
.timeline-content ul { padding-left: 0; }
.timeline-content ul li {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 6px;
  padding-left: 16px;
  position: relative;
}
.timeline-content ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 11px;
  top: 1px;
}

/* Education */
.edu-cards { display: flex; flex-direction: column; gap: 12px; }
.edu-card {
  padding: 16px 20px;
  background: var(--surface-high);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color var(--trans);
}
.edu-card:hover { border-color: var(--border-hover); }
.edu-degree { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.edu-school  { font-size: 13px; color: var(--text-muted); }

/* Certifications */
.cert-list { display: flex; flex-direction: column; gap: 12px; }
.cert-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 18px;
  background: var(--surface-high);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.cert-icon { color: var(--accent); font-size: 20px !important; flex-shrink: 0; }
.cert-name { font-size: 13px; font-weight: 600; margin-bottom: 3px; }
.cert-org  { font-size: 12px; color: var(--text-muted); }

/* Skills */
.skills-grid { display: flex; flex-direction: column; gap: 16px; }
.skill-bar-item {}
.skill-label {
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-muted);
}
.skill-label span:last-child { color: var(--accent); font-weight: 600; }
.skill-track {
  height: 4px;
  background: rgba(255,255,255,0.06);
  border-radius: 99px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #a8f0ff);
  border-radius: 99px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}

/* Award */
.award-banner {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-top: 32px;
  padding: 20px;
  background: linear-gradient(135deg, rgba(118,215,234,0.08), transparent);
  border: 1px solid rgba(118,215,234,0.2);
  border-radius: var(--radius);
}
.award-banner .material-icons-round { color: #FFD700; font-size: 28px; flex-shrink: 0; }
.award-title { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
.award-desc  { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* Resume Download */
.resume-download {
  text-align: center;
  margin-top: 56px;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  align-items: start;
}
.contact-block { margin-bottom: 36px; }
.contact-block-title {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin-bottom: 16px;
}
.contact-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 10px;
  transition: border-color var(--trans), background var(--trans);
}
.contact-item:hover { border-color: var(--border-hover); background: var(--accent-dim); }
.contact-item .material-icons-round { color: var(--accent); font-size: 20px; }
.ci-label { font-size: 11px; color: var(--text-dim); font-weight: 500; letter-spacing: 0.06em; text-transform: uppercase; }
.ci-value { font-size: 14px; font-weight: 600; }
.social-row { display: flex; gap: 10px; flex-wrap: wrap; }
.social-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: var(--surface-high);
  border: 1px solid var(--border);
  border-radius: 99px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-muted);
  transition: border-color var(--trans), color var(--trans), background var(--trans);
}
.social-pill .material-icons-round { font-size: 16px; }
.social-pill:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }
.availability-badge {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 16px;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.avail-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: #4ade80;
  flex-shrink: 0;
  margin-top: 5px;
  box-shadow: 0 0 8px rgba(74,222,128,0.5);
  animation: pulse 2.5s infinite;
}
.avail-title { font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.avail-sub   { font-size: 12px; color: var(--text-muted); line-height: 1.65; }

/* FORM */
.contact-form {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}
.form-group input,
.form-group textarea {
  background: var(--surface-high);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  padding: 12px 16px;
  outline: none;
  transition: border-color var(--trans);
  resize: none;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-dim); }
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-success {
  display: none;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(74,222,128,0.08);
  border: 1px solid rgba(74,222,128,0.25);
  border-radius: var(--radius);
  color: #4ade80;
  font-size: 14px;
  font-weight: 500;
}
.form-success.show { display: flex; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 32px 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 20px;
  font-weight: 800;
}
.footer-tagline {
  font-size: 12px;
  font-weight: 400;
  color: var(--text-dim);
  letter-spacing: 0.04em;
}
.footer-links {
  display: flex;
  gap: 24px;
}
.footer-links a {
  font-size: 13px;
  color: var(--text-muted);
  transition: color var(--trans);
}
.footer-links a:hover { color: var(--accent); }
.footer-copy {
  font-size: 12px;
  color: var(--text-dim);
}

/* ============================================================
   GALLERY
   ============================================================ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 40px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 16 / 9;
  cursor: pointer;
}
.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.gallery-item:hover img {
  transform: scale(1.05);
}
.gallery-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0) 100%);
  padding: 30px 20px 20px;
  transform: translateY(10px);
  opacity: 0;
  transition: all 0.3s ease;
}
.gallery-item:hover .gallery-overlay {
  transform: translateY(0);
  opacity: 1;
}
.gallery-caption {
  font-size: 16px; font-weight: 700; color: var(--white);
  margin-bottom: 4px;
}
.gallery-subcaption {
  font-size: 13px; color: rgba(255,255,255,0.8); line-height: 1.5;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
/* ============================================================
   SPEAKING & WORKSHOPS
   ============================================================ */
.speaking-formats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 36px;
}
.format-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: border-color var(--trans), transform var(--trans);
}
.format-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.format-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.format-icon .material-icons-round { font-size: 22px; }
.format-card h3 { font-size: 17px; font-weight: 700; }
.format-card p  { font-size: 13px; color: var(--text-muted); line-height: 1.65; flex: 1; }
.format-audience {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--accent); font-weight: 600;
}
.format-audience .material-icons-round { font-size: 15px; }
.speaking-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 36px;
}
.highlight-item {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 14px 16px;
  background: var(--surface-high);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 13px; color: var(--text-muted); line-height: 1.5;
}
.highlight-item .material-icons-round { color: var(--accent); font-size: 18px; flex-shrink: 0; margin-top: 1px; }
.speaking-cta { display: flex; gap: 16px; flex-wrap: wrap; }

/* ============================================================
   MARQUEE / BRANDS
   ============================================================ */
.marquee-wrapper {
  overflow: hidden;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin: 24px 0 40px;
}
.marquee-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: marquee 30s linear infinite;
}
.marquee-track:hover { animation-play-state: paused; }
@keyframes marquee {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}
.marquee-item {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px;
  border-radius: 99px;
  font-size: 14px; font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.marquee-item.company {
  background: var(--surface-high);
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.marquee-item.college {
  background: var(--accent-dim);
  border: 1px solid rgba(118,215,234,0.2);
  color: var(--accent);
}
.marquee-item .material-icons-round { font-size: 15px; }
.brand-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.brand-cred-card {
  padding: 24px;
  background: var(--surface-high);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color var(--trans);
}
.brand-cred-card:hover { border-color: var(--border-hover); }
.brand-cred-icon { color: var(--accent); }
.brand-cred-icon .material-icons-round { font-size: 26px; }
.brand-cred-title { font-size: 15px; font-weight: 700; }
.brand-cred-text  { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

/* ============================================================
   IMPACT
   ============================================================ */
.impact-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 48px;
}
.impact-stat {
  background: var(--surface-card);
  padding: 32px 24px;
  text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 6px;
}
.impact-num {
  font-size: 48px; font-weight: 800;
  letter-spacing: -0.04em; line-height: 1;
  color: var(--white);
}
.impact-stat .accent { font-size: 36px; font-weight: 800; line-height: 1; }
.impact-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.impact-feedback {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 60px;
}
.feedback-card {
  padding: 24px;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  border-left: 3px solid var(--accent);
  display: flex; flex-direction: column; gap: 12px;
  transition: transform var(--trans);
}
.feedback-card:hover { transform: translateY(-3px); }
.feedback-quote  { font-size: 14px; color: var(--text); line-height: 1.7; font-style: italic; }
.feedback-source { font-size: 12px; color: var(--accent); font-weight: 600; }

/* Thought Leadership */
.thought-leadership { margin-bottom: 60px; }
.tl-channels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.tl-channel {
  padding: 20px;
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column; gap: 8px;
  transition: border-color var(--trans);
  text-align: center; align-items: center;
}
.tl-channel:hover { border-color: var(--border-hover); }
.tl-ch-icon { color: var(--accent); }
.tl-ch-icon .material-icons-round { font-size: 28px; }
.tl-ch-title { font-size: 14px; font-weight: 700; }
.tl-ch-desc  { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* Why Mantri */
.why-mantri { }
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.why-card {
  padding: 28px;
  background: linear-gradient(135deg, rgba(118,215,234,0.05) 0%, var(--surface-card) 100%);
  border: 1px solid rgba(118,215,234,0.15);
  border-radius: var(--radius-lg);
  display: flex; flex-direction: column; gap: 10px;
  transition: border-color var(--trans), transform var(--trans);
}
.why-card:hover { border-color: var(--border-hover); transform: translateY(-3px); }
.why-icon { font-size: 28px !important; color: var(--accent); }
.why-card h4 { font-size: 16px; font-weight: 700; }
.why-card p  { font-size: 13px; color: var(--text-muted); line-height: 1.65; }

/* ============================================================
   LECTURE CARDS
   ============================================================ */
.lectures-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.lecture-card {
  background: var(--surface-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  transition: border-color var(--trans), transform var(--trans), box-shadow var(--trans);
}
.lecture-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}
.lecture-header {
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.lecture-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  border-radius: var(--radius-sm);
  background: var(--accent-dim);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
}
.lecture-icon .material-icons-round { font-size: 22px; }
.lecture-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 4px;
  line-height: 1.3;
}
.lecture-meta {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.lecture-programs { display: flex; gap: 6px; flex-wrap: wrap; }
.lecture-points {
  padding-left: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.lecture-points li {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.65;
  padding-left: 16px;
  position: relative;
}
.lecture-points li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 11px;
  top: 1px;
}
.lecture-topics { display: flex; gap: 8px; flex-wrap: wrap; }

@media (max-width: 900px) {
  .about-layout { grid-template-columns: 1fr; gap: 32px; }
  .modules-grid { grid-template-columns: 1fr; }
  .module-card.featured { grid-column: span 1; }
  .speaking-formats { grid-template-columns: 1fr; }
  .speaking-highlights { grid-template-columns: 1fr; }
  .brand-cards-grid { grid-template-columns: 1fr; }
  .impact-stats { grid-template-columns: repeat(2, 1fr); }
  .impact-feedback { grid-template-columns: 1fr; }
  .tl-channels { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: 1fr; }
  .lectures-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .courses-grid { grid-template-columns: 1fr; }
  .course-card.featured { grid-column: span 1; }
  .resume-layout { grid-template-columns: 1fr; gap: 40px; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
  .nav-links, .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
}
@media (max-width: 600px) {
  .hero-stats { flex-direction: column; width: 100%; }
  .stat-divider { width: 100%; height: 1px; }
  .stat-card { padding: 16px 0; }
  .footer-inner { flex-direction: column; text-align: center; }
  .contact-form { padding: 24px 20px; }
}