/* =========================================
   SRESHTA AKUNURI — FUTURISTIC PORTFOLIO
   Glassmorphism + Neon + Premium UI
   ========================================= */

/* ---- CSS Variables ---- */
:root {
  --bg-primary: #02020a;
  --bg-secondary: #050515;
  --bg-tertiary: #0a0a25;
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-blur: 32px;
  --accent-blue: #00d2ff;
  --accent-purple: #9d50bb;
  --accent-cyan: #00f2fe;
  --accent-pink: #f9d423; /* Golden accent for premium feel */
  --accent-neon: #39ff14;
  --text-primary: #ffffff;
  --text-secondary: rgba(255,255,255,0.8);
  --text-muted: rgba(255,255,255,0.5);
  --glow-blue: 0 0 40px rgba(0,210,255,0.4);
  --glow-purple: 0 0 40px rgba(157,80,187,0.4);
  --nav-height: 80px;
  --font-sans: 'Inter', 'Poppins', system-ui, sans-serif;
  --font-heading: 'Poppins', 'Inter', system-ui, sans-serif;
  --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-lg: 32px;
  --radius-md: 20px;
  --radius-sm: 12px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- Background ---- */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(circle at 80% 90%, rgba(157,80,187,0.12) 0%, transparent 60%),
    radial-gradient(circle at 10% 20%, rgba(0,210,255,0.12) 0%, transparent 60%);
  z-index: -2;
  pointer-events: none;
}

body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  z-index: -1;
  pointer-events: none;
}

/* ---- Particle Canvas & Orbs ---- */
#particleCanvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: -1;
  pointer-events: none;
  opacity: 0.7;
}

.bg-orbs {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: -3;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: floatBackground 20s infinite ease-in-out alternate;
}

.orb-1 {
  width: 40vw; height: 40vw;
  max-width: 600px; max-height: 600px;
  background: var(--accent-purple);
  top: -10%; left: -10%;
  animation-delay: 0s;
}

.orb-2 {
  width: 30vw; height: 30vw;
  max-width: 500px; max-height: 500px;
  background: var(--accent-blue);
  bottom: -10%; right: -10%;
  animation-delay: -5s;
}

.orb-3 {
  width: 25vw; height: 25vw;
  max-width: 400px; max-height: 400px;
  background: var(--accent-cyan);
  top: 40%; left: 50%;
  animation-delay: -10s;
}

@keyframes floatBackground {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(50px, 50px) scale(1.1); }
}

/* ---- Custom Cursor ---- */
.cursor-glow {
  position: fixed;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,198,255,0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
  transition: transform 0.1s linear;
}

.cursor-dot {
  position: fixed;
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--accent-blue);
  pointer-events: none;
  z-index: 10001;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 12px var(--accent-blue), 0 0 24px rgba(0,198,255,0.5);
  transition: transform 0.05s linear, width 0.2s, height 0.2s;
}

.cursor-dot.hovering {
  width: 20px; height: 20px;
  background: rgba(0,198,255,0.2);
  border: 2px solid var(--accent-blue);
}

/* ---- Utility ---- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.glass-card {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.01) 100%);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-smooth);
  box-shadow: 0 10px 40px rgba(0,0,0,0.3);
}

.glass-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(255,255,255,0.08) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.glass-card:hover::after { opacity: 1; }

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.25);
  box-shadow: 0 20px 80px rgba(0,0,0,0.4), 0 0 0 1px rgba(0,210,255,0.15);
  transform: translateY(-8px) scale(1.01);
}

.accent-text {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px rgba(0,210,255,0.3);
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-alt {
  background: rgba(255,255,255,0.015);
}

/* ---- Section Header ---- */
.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent-blue);
  padding: 0.4rem 1.2rem;
  border: 1px solid rgba(0,198,255,0.3);
  border-radius: 100px;
  background: rgba(0,198,255,0.08);
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
  line-height: 1.2;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 2rem;
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background 0.2s;
}

.btn:hover::after {
  background: rgba(255,255,255,0.08);
}

.btn-primary {
  background: linear-gradient(135deg, #0094c6, #6d28d9);
  color: #fff;
  box-shadow: 0 4px 24px rgba(0,198,255,0.35);
  position: relative;
  overflow: hidden;
}

.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.15), transparent);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn-primary:hover::before {
  transform: translateX(100%);
}

.btn-primary:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 12px 50px rgba(0,198,255,0.45), 0 0 30px rgba(168,85,247,0.3);
}

.btn-primary:active {
  transform: translateY(-1px) scale(1);
}

.btn-ghost {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(0,198,255,0.5);
  transform: translateY(-2px);
  box-shadow: var(--glow-blue);
}

.btn-full { width: 100%; justify-content: center; }

/* ===================== NAVBAR ===================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: background 0.3s, backdrop-filter 0.3s, box-shadow 0.3s;
}

.navbar.scrolled {
  background: rgba(5, 5, 16, 0.85);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 4px 30px rgba(0,0,0,0.5);
}

.nav-container {
  max-width: 1300px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent-blue);
  box-shadow: 0 0 8px var(--accent-blue);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(0.85); }
}

.nav-links {
  display: flex;
  gap: 0.25rem;
  list-style: none;
}

.nav-link {
  display: block;
  padding: 0.4rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: 100px;
  transition: var(--transition-smooth);
  position: relative;
}

.nav-link:hover, .nav-link.active {
  color: var(--text-primary);
  background: rgba(0,198,255,0.1);
}

.nav-link.active {
  color: var(--accent-blue);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

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

/* ===================== HERO ===================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 2rem) 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 1100px;
  width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 4rem;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  color: var(--accent-cyan);
  padding: 0.45rem 1.2rem;
  border: 1px solid rgba(34,211,238,0.35);
  border-radius: 100px;
  background: rgba(34,211,238,0.08);
  margin-bottom: 1.5rem;
}

.hero-name {
  font-family: var(--font-heading);
  font-size: clamp(3.5rem, 8vw, 7rem);
  font-weight: 900;
  line-height: 1.05;
  margin-bottom: 1rem;
}

.name-line { display: block; }
.name-line.accent-text {
  background: linear-gradient(135deg, #00c6ff 0%, #a855f7 60%, #ec4899 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-tagline {
  font-size: clamp(1rem, 2.5vw, 1.3rem);
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 0.6rem;
}

.hero-subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  letter-spacing: 1px;
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-socials {
  display: flex;
  gap: 0.75rem;
}

.social-chip {
  width: 44px; height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 1rem;
  transition: var(--transition-smooth);
}

.social-chip:hover {
  background: rgba(0,198,255,0.15);
  border-color: var(--accent-blue);
  color: var(--accent-blue);
  transform: translateY(-3px);
  box-shadow: var(--glow-blue);
}

/* Profile Card */
.profile-card {
  width: 280px;
  text-align: center;
  padding: 2rem 1.5rem;
}

.profile-ring {
  width: 160px; height: 160px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple), var(--accent-pink));
  margin: 0 auto 1.5rem;
  box-shadow: 0 0 40px rgba(0,198,255,0.3), 0 0 80px rgba(168,85,247,0.15);
}

.profile-img-wrap {
  width: 100%; height: 100%;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-primary);
}

.profile-img {
  width: 100%; height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

.profile-info h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.profile-info p {
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
}

.profile-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.stat { text-align: center; }

.stat-num {
  display: block;
  font-size: 1.4rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted);
  letter-spacing: 0.5px;
}

.stat-divider {
  width: 1px; height: 30px;
  background: rgba(255,255,255,0.1);
}

/* Floating Animation */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}
.floating { animation: float 6s ease-in-out infinite; }

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-muted);
  font-size: 0.75rem;
  letter-spacing: 1px;
  animation: scrollFade 2s ease-in-out infinite;
}

@keyframes scrollFade {
  0%, 100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50% { opacity: 1; transform: translateX(-50%) translateY(6px); }
}

.scroll-mouse {
  width: 22px; height: 36px;
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 100px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 5px;
}

.scroll-wheel {
  width: 3px; height: 8px;
  border-radius: 100px;
  background: var(--accent-blue);
  animation: scrollWheel 1.5s ease-in-out infinite;
}

@keyframes scrollWheel {
  0%, 100% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(10px); opacity: 0; }
}

/* Orbs - simplified subtle glow */
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  transition: opacity 0.8s ease;
}

.orb-1 {
  width: 300px; height: 300px;
  background: rgba(0,198,255,0.03);
  top: -80px; right: -100px;
  opacity: 0;
}

.orb-2 {
  width: 200px; height: 200px;
  background: rgba(168,85,247,0.04);
  bottom: -80px; left: -80px;
  opacity: 0;
}

.orb-3 {
  width: 150px; height: 150px;
  background: rgba(236, 72, 153, 0.02);
  top: 20%; right: 20%;
  opacity: 0;
}

/* Subtle parallax effect */
@media (min-width: 768px) {
  .orb-1:hover, .orb-2:hover, .orb-3:hover {
    opacity: 0.6;
    transform: scale(1.1);
  }
}

/* ===================== ABOUT ===================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 0.8fr;
  gap: 2rem;
  margin-bottom: 4rem;
}

.about-story {
  padding: 2.5rem;
}

.about-story h3 {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.about-story p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
}

.about-icon {
  width: 56px; height: 56px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,198,255,0.15), rgba(168,85,247,0.15));
  border: 1px solid rgba(0,198,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--accent-blue);
  margin-bottom: 1.5rem;
}

.about-side { display: flex; flex-direction: column; gap: 1.5rem; }

.about-values h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1.2rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-blue);
}

.values-list { display: flex; flex-direction: column; gap: 0.75rem; }

.value-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.value-item i {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: rgba(0,198,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  color: var(--accent-blue);
  flex-shrink: 0;
}

.about-quote {
  padding: 1.5rem;
  border-left: 3px solid var(--accent-purple);
}

.quote-icon {
  font-size: 1.5rem;
  color: var(--accent-purple);
  margin-bottom: 0.75rem;
  display: block;
}

.about-quote p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.about-quote span { font-size: 0.8rem; color: var(--text-muted); }

/* Timeline */
.timeline-section { margin-top: 2rem; }

.timeline-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 2.5rem;
  text-align: center;
}

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 750px;
  margin: 0 auto;
  position: relative;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 24px;
  bottom: 24px;
  width: 2px;
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-purple), rgba(255,255,255,0.1));
}

.timeline-item {
  display: flex;
  gap: 2rem;
  padding-bottom: 2.5rem;
  position: relative;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(0,198,255,0.2), rgba(168,85,247,0.2));
  border: 2px solid rgba(0,198,255,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent-blue);
  flex-shrink: 0;
  z-index: 1;
  backdrop-filter: blur(10px);
}

.glow-dot {
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px rgba(0,198,255,0.5);
  animation: glowPulse 2s infinite;
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(0,198,255,0.5); }
  50% { box-shadow: 0 0 40px rgba(0,198,255,0.8), 0 0 60px rgba(168,85,247,0.4); }
}

.timeline-content {
  flex: 1;
  padding: 1.5rem;
}

.timeline-year {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-blue);
  letter-spacing: 1px;
  display: block;
  margin-bottom: 0.4rem;
}

.timeline-content h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.timeline-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.active-card {
  border-color: rgba(0,198,255,0.3) !important;
  box-shadow: 0 0 30px rgba(0,198,255,0.1) !important;
}

/* ===================== ACHIEVEMENTS ===================== */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.achievement-card {
  padding: 0;
  overflow: hidden;
  cursor: pointer;
}

.achievement-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 25px 70px rgba(0,198,255,0.2), 0 0 0 1px rgba(0,198,255,0.3), 0 10px 40px rgba(0,0,0,0.3);
  border-color: rgba(0,198,255,0.4);
}

.achievement-card:active {
  transform: translateY(-4px) scale(1.01);
}

.cert-thumbnail {
  position: relative;
  width: 100%;
  --cert-thumb-ratio: 4 / 3;
  aspect-ratio: var(--cert-thumb-ratio);
  overflow: hidden;
  border-radius: var(--radius-md);
  background: #0a0a1a;
}

.cert-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3.5rem;
}

.cert-blue { background: linear-gradient(135deg, rgba(0,198,255,0.15), rgba(0,80,120,0.3)); color: #00c6ff; }
.cert-purple { background: linear-gradient(135deg, rgba(168,85,247,0.15), rgba(80,0,120,0.3)); color: #a855f7; }
.cert-cyan { background: linear-gradient(135deg, rgba(34,211,238,0.15), rgba(0,80,100,0.3)); color: #22d3ee; }
.cert-pink { background: linear-gradient(135deg, rgba(236,72,153,0.15), rgba(120,0,80,0.3)); color: #ec4899; }
.cert-green { background: linear-gradient(135deg, rgba(52,211,153,0.15), rgba(0,80,50,0.3)); color: #34d399; }
.cert-orange { background: linear-gradient(135deg, rgba(251,146,60,0.15), rgba(120,50,0,0.3)); color: #fb923c; }

.cert-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  opacity: 0;
  transition: var(--transition-smooth);
  color: #fff;
  font-size: 0.85rem;
}

.cert-overlay i { font-size: 1.5rem; color: var(--accent-blue); }
.achievement-card:hover .cert-overlay { opacity: 1; }

.cert-info { padding: 1.4rem; }

.cert-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-blue);
  background: rgba(0,198,255,0.1);
  border: 1px solid rgba(0,198,255,0.2);
  padding: 0.2rem 0.7rem;
  border-radius: 100px;
  margin-bottom: 0.6rem;
}

.cert-info h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.cert-info p {
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.75rem;
}

.cert-meta {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ===================== MEDIA ===================== */
.media-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 450px));
  justify-content: center;
  gap: 2rem;
}
.media-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
}

.media-card {
  padding: 0;
  overflow: hidden;
  cursor: pointer;
}

.media-card {
  cursor: pointer;
  transition: var(--transition-smooth);
}

.media-card:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow: 0 18px 60px rgba(0,198,255,0.18), 0 0 0 1px rgba(255,255,255,0.15);
}

.media-card:active {
  transform: translateY(-4px) scale(1.01);
}

.media-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.media-thumb-placeholder {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.4s;
}

.media-card:hover .media-thumb-placeholder { transform: scale(1.05); }

.yt-icon { font-size: 3.5rem; opacity: 0.5; color: #ff4444; }

.yt-1 { background: linear-gradient(135deg, #1a0010, #2d0050); }
.yt-2 { background: linear-gradient(135deg, #001a20, #003050); }
.yt-3 { background: linear-gradient(135deg, #1a1000, #302000); }

.media-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: var(--transition-smooth);
}

.media-card:hover .media-overlay { opacity: 1; }

.play-btn-wrap { position: relative; }

.play-btn {
  width: 60px; height: 60px;
  border-radius: 50%;
  background: rgba(0,198,255,0.3);
  border: 2px solid var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: #fff;
  transition: var(--transition-smooth);
  backdrop-filter: blur(10px);
}

.media-card:hover .play-btn {
  transform: scale(1.1);
  background: rgba(0,198,255,0.5);
  box-shadow: 0 0 30px rgba(0,198,255,0.6);
}

.media-info { padding: 1.4rem; }
.media-info h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.5rem; }
.media-info p { font-size: 0.83rem; color: var(--text-secondary); margin-bottom: 0.75rem; }

.media-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.media-meta i { color: #ff4444; margin-right: 0.3rem; }

/* ===================== SKILLS ===================== */
.skills-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
  align-items: center;
}

.skills-group { margin-bottom: 2rem; }
.skills-group h4 {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.skill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 1rem;
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid;
  transition: var(--transition-smooth);
  cursor: default;
}

.skill-tag:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 8px 25px currentColor;
  z-index: 2;
}

.tag-blue { color: #00c6ff; border-color: rgba(0,198,255,0.35); background: rgba(0,198,255,0.08); }
.tag-purple { color: #a855f7; border-color: rgba(168,85,247,0.35); background: rgba(168,85,247,0.08); }
.tag-cyan { color: #22d3ee; border-color: rgba(34,211,238,0.35); background: rgba(34,211,238,0.08); }
.tag-pink { color: #ec4899; border-color: rgba(236,72,153,0.35); background: rgba(236,72,153,0.08); }
.tag-green { color: #34d399; border-color: rgba(52,211,153,0.35); background: rgba(52,211,153,0.08); }
.tag-orange { color: #fb923c; border-color: rgba(251,146,60,0.35); background: rgba(251,146,60,0.08); }

.tag-blue:hover { box-shadow: 0 0 20px rgba(0,198,255,0.4); }
.tag-purple:hover { box-shadow: 0 0 20px rgba(168,85,247,0.4); }
.tag-cyan:hover { box-shadow: 0 0 20px rgba(34,211,238,0.4); }
.tag-pink:hover { box-shadow: 0 0 20px rgba(236,72,153,0.4); }
.tag-green:hover { box-shadow: 0 0 20px rgba(52,211,153,0.4); }
.tag-orange:hover { box-shadow: 0 0 20px rgba(251,146,60,0.4); }

.radar-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

/* Skill Bars */
.skill-bars {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.skill-bar-item {}

.skill-bar-header {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.5rem;
  font-size: 0.88rem;
  font-weight: 600;
}

.skill-pct { color: var(--text-muted); }

.skill-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 100px;
  overflow: hidden;
}

.skill-bar-fill {
  height: 100%;
  border-radius: 100px;
  background: var(--bar-color);
  width: 0%;
  transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 0 10px var(--bar-color);
  position: relative;
}

.skill-bar-fill::after {
  content: '';
  position: absolute;
  right: 0; top: 0; bottom: 0;
  width: 20px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4));
  border-radius: 100px;
}

/* ===================== ACTIVITIES ===================== */
.activities-timeline {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.activity-item {
  display: flex;
  gap: 1.5rem;
  padding-bottom: 2rem;
}

.activity-item:last-child .activity-line { display: none; }

.activity-icon-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.activity-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(0,198,255,0.15), rgba(168,85,247,0.15));
  border: 1px solid rgba(0,198,255,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent-blue);
  transition: var(--transition-smooth);
}

.activity-item:hover .activity-icon {
  background: rgba(0,198,255,0.25);
  box-shadow: 0 0 20px rgba(0,198,255,0.4);
  transform: scale(1.1);
}

.activity-line {
  width: 2px;
  flex: 1;
  min-height: 30px;
  background: linear-gradient(180deg, rgba(0,198,255,0.3), transparent);
  margin-top: 8px;
}

.activity-content { flex: 1; }

.activity-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.activity-content h4 { font-size: 1rem; font-weight: 700; margin-bottom: 0.3rem; }

.activity-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-purple);
  background: rgba(168,85,247,0.1);
  border: 1px solid rgba(168,85,247,0.2);
  padding: 0.2rem 0.6rem;
  border-radius: 100px;
}

.activity-date {
  font-size: 0.78rem;
  color: var(--text-muted);
  white-space: nowrap;
  margin-left: 1rem;
}

.activity-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ===================== SOCIAL ===================== */
.social-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.social-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  text-decoration: none;
  color: var(--text-primary);
  padding: 2.5rem 1.5rem;
  position: relative;
  transition: var(--transition-smooth);
}

.social-card {
  cursor: pointer;
  transition: var(--transition-smooth);
}

.social-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 0 20px 70px rgba(0,0,0,0.25), 0 0 0 1px rgba(255,255,255,0.12);
}

.social-card:active {
  transform: translateY(-5px) scale(1.01);
}

.social-icon-wrap {
  width: 72px; height: 72px;
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  margin-bottom: 1.25rem;
  transition: var(--transition-smooth);
}

.yt-wrap { background: rgba(255,68,68,0.15); border: 1px solid rgba(255,68,68,0.3); color: #ff4444; }
.ig-wrap { background: rgba(236,72,153,0.15); border: 1px solid rgba(236,72,153,0.3); color: #ec4899; }
.li-wrap { background: rgba(0,119,181,0.15); border: 1px solid rgba(0,119,181,0.4); color: #0077b5; }

.social-card:hover .yt-wrap { box-shadow: 0 0 30px rgba(255,68,68,0.4); transform: scale(1.1); }
.social-card:hover .ig-wrap { box-shadow: 0 0 30px rgba(236,72,153,0.4); transform: scale(1.1); }
.social-card:hover .li-wrap { box-shadow: 0 0 30px rgba(0,119,181,0.4); transform: scale(1.1); }

.social-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 0.4rem; }
.social-card p { font-size: 0.85rem; color: var(--text-secondary); margin-bottom: 0.75rem; }

.social-handle {
  font-size: 0.8rem;
  color: var(--accent-blue);
  font-weight: 600;
}

.social-arrow {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: rgba(0,198,255,0.1);
  border: 1px solid rgba(0,198,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--accent-blue);
  transition: var(--transition-smooth);
}

.social-card:hover .social-arrow {
  background: rgba(0,198,255,0.2);
  transform: translate(2px, -2px);
}

/* ===================== CONTACT ===================== */
.contact-layout {
  display: grid;
  grid-template-columns: 0.6fr 1fr;
  gap: 2rem;
}

.contact-card { padding: 2.5rem; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.contact-item:first-child { padding-top: 0; }
.contact-item:last-child { border-bottom: none; padding-bottom: 0; }

.contact-icon-wrap {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0,198,255,0.1), rgba(168,85,247,0.1));
  border: 1px solid rgba(0,198,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-blue);
  flex-shrink: 0;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-bottom: 0.2rem;
  letter-spacing: 0.5px;
}

.contact-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  transition: color 0.2s;
}

a.contact-value:hover { color: var(--accent-blue); }

/* Form */
.contact-form { padding: 2.5rem; }

.form-group { margin-bottom: 1.25rem; }

.form-group label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
  letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.95rem 1.2rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  outline: none;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(0,198,255,0.6);
  background: rgba(0,198,255,0.06);
  box-shadow: 0 0 0 4px rgba(0,198,255,0.12), 0 0 20px rgba(0,198,255,0.15);
  transform: translateY(-1px);
}

.form-group input:focus::placeholder,
.form-group textarea:focus::placeholder {
  color: var(--text-secondary);
}

/* Smooth transition for placeholder color */
.form-group input:focus + label,
.form-group textarea:focus + label {
  color: var(--accent-blue);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: rgba(0,198,255,0.5);
  background: rgba(0,198,255,0.04);
  box-shadow: 0 0 0 3px rgba(0,198,255,0.1);
}

/* ===================== FOOTER ===================== */
.footer {
  position: relative;
  padding: 2.5rem 2rem;
}

.footer-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), rgba(0,198,255,0.3), rgba(255,255,255,0.1), transparent);
  margin-bottom: 2.5rem;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-name { font-size: 0.9rem; color: var(--text-secondary); }

.footer-copy { font-size: 0.82rem; color: var(--text-muted); }

.footer-socials {
  display: flex;
  gap: 0.6rem;
}

.footer-socials a {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition-smooth);
}

.footer-socials a:hover {
  background: rgba(0,198,255,0.1);
  border-color: rgba(0,198,255,0.4);
  color: var(--accent-blue);
  transform: translateY(-2px);
}

/* WhatsApp Floating Button */
.whatsapp-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: linear-gradient(135deg, #25d366, #128c7e);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  text-decoration: none;
  z-index: 999;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: var(--transition-smooth);
  animation: wiggle 3s ease-in-out infinite;
}

.whatsapp-btn:hover {
  transform: scale(1.15);
  box-shadow: 0 8px 30px rgba(37,211,102,0.6);
}

@keyframes wiggle {
  0%, 100% { transform: rotate(0deg); }
  10% { transform: rotate(-10deg); }
  20% { transform: rotate(10deg); }
  30% { transform: rotate(0deg); }
}

/* ===================== MODALS ===================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(10px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  max-width: 600px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  background: rgba(10, 10, 30, 0.95);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
  position: relative;
}

.modal-overlay.active .modal-content {
  transform: scale(1) translateY(0);
}

.modal-video { max-width: 800px; }

.modal-close {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 36px; height: 36px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: var(--transition-smooth);
  z-index: 1;
}

.modal-close:hover {
  background: rgba(255,0,0,0.15);
  border-color: rgba(255,0,0,0.3);
  color: #ff4444;
}

.modal-body { padding: 2rem; }

.modal-cert-icon {
  width: 100%;
  height: 200px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  margin-bottom: 1.5rem;
}

.modal-body h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 0.5rem; }
.modal-body p { color: var(--text-secondary); font-size: 0.9rem; line-height: 1.7; margin-bottom: 1rem; }

.video-embed {
  width: 100%;
  aspect-ratio: 16/9;
  border-radius: var(--radius-md);
  background: #000;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-direction: column;
  gap: 1rem;
  border: 1px solid rgba(255,255,255,0.08);
}

.video-embed i { font-size: 3rem; color: var(--accent-blue); opacity: 0.5; }

/* ===================== SCROLL ANIMATIONS ===================== */
.reveal-fade,
.reveal-up,
.reveal-left,
.reveal-right {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-fade { transform: none; }
.reveal-up { transform: translateY(40px); }
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }

.reveal-delay-1 { transition-delay: 0.15s !important; }
.reveal-delay-2 { transition-delay: 0.3s !important; }
.reveal-delay-3 { transition-delay: 0.45s !important; }

.revealed {
  opacity: 1 !important;
  transform: none !important;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; text-align: center; }
  .hero-card { display: flex; justify-content: center; }
  .profile-card { width: 260px; }
  .hero-cta { justify-content: center; }
  .hero-socials { justify-content: center; }
  .about-grid { grid-template-columns: 1fr; }
  .achievements-grid { grid-template-columns: repeat(2, 1fr); }
  .media-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-layout { grid-template-columns: 1fr; }
  .social-cards { grid-template-columns: repeat(2, 1fr); }
  .contact-layout { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0; right: 0;
    flex-direction: column;
    background: rgba(5,5,16,0.97);
    backdrop-filter: blur(20px);
    padding: 1.5rem 2rem;
    gap: 0.5rem;
    transform: translateY(-100%);
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-toggle { display: flex; }
  .achievements-grid { grid-template-columns: 1fr; }
  .media-grid { grid-template-columns: 1fr; }
  .social-cards { grid-template-columns: 1fr; }
  .timeline::before { left: 26px; }
  .section { padding: 70px 0; }
}

@media (max-width: 480px) {
  .container { padding: 0 1.25rem; }
  .hero-name { font-size: clamp(2.8rem, 12vw, 4rem); }
  .hero-cta { flex-direction: column; }
  .btn { width: 100%; justify-content: center; }
  .profile-card { width: 100%; }
  .about-grid { gap: 1.25rem; }
  .glass-card { padding: 1.5rem; }
  .footer-content { flex-direction: column; align-items: center; text-align: center; }
  .skills-layout { gap: 1.5rem; }
  .timeline-item { gap: 1rem; }
  .timeline::before { left: 22px; }
}

/* ===================== SCROLLBAR ===================== */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent-blue), var(--accent-purple));
  border-radius: 100px;
}
::-webkit-scrollbar-thumb:hover { background: var(--accent-blue); }

/* ===================== SELECTION ===================== */
::selection {
  background: rgba(0,198,255,0.25);
  color: #fff;
}

/* ===================== CERTIFICATES ENHANCEMENTS ===================== */
.view-all-container {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.glass-btn {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-primary);
}

.glass-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent-blue);
  box-shadow: var(--glow-blue);
}

/* Certificate Grid Adjustments */
.achievements-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}

.cert-thumbnail {
  position: relative;
  width: 100%;
  --cert-thumb-ratio: 4 / 3;
  aspect-ratio: var(--cert-thumb-ratio);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 1.5rem;
  background: #0a0a1a;
}

.cert-thumbnail.is-portrait {
  --cert-thumb-ratio: 3 / 4;
}

.cert-thumbnail.is-landscape {
  --cert-thumb-ratio: 4 / 3;
}

.cert-thumbnail.is-square {
  --cert-thumb-ratio: 1 / 1;
}

.cert-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 0.5rem;
  image-orientation: from-image;
  transition: transform 0.6s var(--ease-out-expo);
}

.achievement-card:hover .cert-thumbnail img {
  transform: scale(1.05);
}

.cert-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5, 5, 16, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  opacity: 0;
  transition: var(--transition-smooth);
}

.achievement-card:hover .cert-overlay {
  opacity: 1;
}

.cert-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-blue);
  background: rgba(0, 198, 255, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 100px;
  margin-bottom: 0.75rem;
}

.cert-meta {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1rem;
}

/* Modal Detail View */
.modal-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
}

.modal-cert-preview {
  width: 100%;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.modal-cert-preview img {
  width: 100%;
  display: block;
}

.modal-cert-info h2 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.modal-cert-info .cert-description {
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 2rem;
  font-size: 1rem;
}

.modal-cert-meta-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.meta-item label {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.4rem;
}

.meta-item span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-blue);
}

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

/* ===================== PASSWORD GATEWAY ===================== */
.gateway-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: rgba(2, 2, 10, 0.4);
  backdrop-filter: blur(40px) saturate(150%);
  -webkit-backdrop-filter: blur(40px) saturate(150%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
  overflow: hidden;
}

.gateway-overlay.unlocked {
  opacity: 0;
  pointer-events: none;
  transform: scale(1.1);
}

.gateway-card {
  max-width: 480px;
  width: 100%;
  text-align: center;
  padding: 4rem 3rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 30px 100px rgba(0,0,0,0.6), 0 0 40px rgba(0,210,255,0.1);
}

.gateway-icon {
  width: 90px; height: 90px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: #fff;
  margin: 0 auto 2.5rem;
  box-shadow: 0 0 30px rgba(0,210,255,0.3);
  position: relative;
}

.gateway-icon.pulsing::after {
  content: '';
  position: absolute;
  inset: -15px;
  border: 2px solid var(--accent-blue);
  border-radius: inherit;
  opacity: 0;
  animation: pulse-glow-border 2s infinite;
}

@keyframes pulse-glow-border {
  0% { transform: scale(1); opacity: 0.5; }
  100% { transform: scale(1.3); opacity: 0; }
}

.gateway-card h2 {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -1px;
  text-transform: uppercase;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.6) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gateway-card p {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.6;
  margin-bottom: 3rem;
  max-width: 90%;
  margin-left: auto;
  margin-right: auto;
}

.gateway-form {
  margin-bottom: 2rem;
}

.input-wrapper {
  position: relative;
  margin-bottom: 1.5rem;
}

.gateway-form input {
  width: 100%;
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  color: #fff;
  font-size: 1rem;
  letter-spacing: 2px;
  text-align: center;
  transition: var(--transition-smooth);
  font-family: var(--font-heading);
}

.gateway-form input::placeholder {
  letter-spacing: 4px;
  font-size: 0.8rem;
  opacity: 0.5;
}

.gateway-form input:focus {
  outline: none;
  background: rgba(0,210,255,0.05);
  border-color: var(--accent-blue);
  box-shadow: 0 0 20px rgba(0,210,255,0.2);
}

.input-scanner {
  position: absolute;
  bottom: 0; left: 50%;
  width: 0%;
  height: 2px;
  background: var(--accent-blue);
  box-shadow: 0 0 10px var(--accent-blue);
  transition: all 0.4s ease;
  transform: translateX(-50%);
}

.gateway-form input:focus + .input-scanner {
  width: 80%;
}

.gateway-status {
  padding: 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  display: none;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.5rem;
  border: 1px solid transparent;
}

.gateway-status.error-text {
  background: rgba(255, 77, 77, 0.1);
  color: #ff4d4d;
  border-color: rgba(255, 77, 77, 0.2);
}

.gateway-footer {
  margin-top: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  opacity: 0.6;
}

.status-indicator {
  width: 8px; height: 8px;
  background: var(--accent-neon);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent-neon);
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.status-text {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
}



/* ===================== ANIMATIONS ===================== */
@keyframes float-y {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-15px); }
}

.animate-float {
  animation: float-y 6s ease-in-out infinite;
}

@keyframes shimmer {
  0% { transform: translateX(-100%) skewX(-15deg); }
  100% { transform: translateX(200%) skewX(-15deg); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-10px); }
  75% { transform: translateX(10px); }
}

.shake {
  animation: shake 0.4s ease-in-out;
  border-color: #ff4d4d !important;
}

.shimmer-effect {
  position: relative;
  overflow: hidden;
}

.shimmer-effect::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 50%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  animation: shimmer 3s infinite;
}

/* ===================== AUTH LOCK ===================== */
body.auth-locked {
  overflow: hidden !important;
  height: 100vh !important;
  touch-action: none;
}