/* ========== CSS Variables ========== */
:root {
  /* Glass effect - Liquid Glass Theme */
  --glass-bg: rgba(255, 255, 255, 0.08);
  --glass-bg-hover: rgba(255, 255, 255, 0.15);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-border-strong: rgba(255, 255, 255, 0.35);
  --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
  --glass-shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.5);
  --glass-blur: blur(20px) saturate(1.6);
  --glass-blur-strong: blur(30px) saturate(1.8);
  --glass-inset: inset 0 1px 2px rgba(255, 255, 255, 0.25), inset 0 -1px 1px rgba(0, 0, 0, 0.1);
  --glass-shine: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, transparent 50%, rgba(255, 255, 255, 0.05) 100%);

  /* Border radii */
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --radius-xl: 36px;

  /* Colors */
  --color-text: rgba(255, 255, 255, 0.95);
  --color-muted: rgba(255, 255, 255, 0.7);
  --color-highlight: rgba(255, 212, 165, 0.95);
  --color-accent-warm: rgba(180, 110, 110, 0.15);
  --color-accent-cool: rgba(110, 160, 125, 0.15);
  --color-glass-tint: rgba(100, 180, 255, 0.08);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-med: 0.25s ease;
  --transition-slow: 0.4s ease;
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Spacing */
  --spacing-xs: 8px;
  --spacing-sm: 12px;
  --spacing-md: 20px;
  --spacing-lg: 32px;
  --spacing-xl: 50px;

  /* Layout */
  --nav-height: 60px;
  --section-gap: 60px;
}

/* ========== Accessibility ========== */
.skip-link {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-highlight);
  color: #1a1a2e;
  text-decoration: none;
  font-weight: 600;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top 0.3s ease;
}

.skip-link:focus {
  top: var(--spacing-sm);
  outline: 2px solid white;
  outline-offset: 2px;
}

.noscript-warning {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: var(--spacing-md);
  background: #ffc107;
  color: #1a1a2e;
  text-align: center;
  font-weight: 600;
  z-index: 10000;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height) + 25px);
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55));
  background-attachment: fixed;
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
}

body.modal-open {
  overflow: hidden;
}

/* Blurred wallpaper layer with parallax */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.55), rgba(0, 0, 0, 0.55)),
    url("Assets/Backdrop.png") center/cover no-repeat;
  filter: blur(5px) saturate(0.5);
  transform: scale(1.05);
  z-index: -2;
  pointer-events: none;
  will-change: transform;
  transition: transform 0.1s ease-out;
}

/* Animated gradient overlay */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  background: radial-gradient(
    ellipse at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(100, 180, 255, 0.08) 0%,
    rgba(180, 120, 255, 0.04) 30%,
    transparent 60%
  );
  z-index: -1;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease;
}

/* ========== Animations ========== */
@keyframes breathe {
  0%,
  100% {
    filter: drop-shadow(0 0 25px currentColor);
    opacity: 0.85;
  }
  50% {
    filter: drop-shadow(0 0 45px currentColor);
    opacity: 1;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0px) translateX(0px);
  }
  33% {
    transform: translateY(-20px) translateX(10px);
  }
  66% {
    transform: translateY(-10px) translateX(-10px);
  }
}

@keyframes parallaxFloat {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-30px) scale(1.05);
  }
}

@keyframes arrowBounce {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(12px);
  }
}

@keyframes slowSpin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.4;
    transform: scaleX(0.8);
  }
  50% {
    opacity: 0.8;
    transform: scaleX(1);
  }
}

@keyframes glowShift {
  0%,
  100% {
    transform: translateX(-10%) scaleX(1.1);
  }
  50% {
    transform: translateX(10%) scaleX(0.9);
  }
}

@keyframes glowBreath {
  0%,
  100% {
    opacity: 0.3;
    filter: blur(40px);
  }
  50% {
    opacity: 0.6;
    filter: blur(60px);
  }
}

/* ========== GLASS SYSTEM ========== */
/* Base glass - applies to all glass elements */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inset);
  position: relative;
}

/* Glass shine overlay for all glass elements */
.glass::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--glass-shine);
  pointer-events: none;
  z-index: 1;
}

/* Liquid glass variant - enhanced distortion */
.liquid-glass {
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.05) 50%,
    rgba(255, 255, 255, 0.08) 100%
  );
  border: 1px solid var(--glass-border-strong);
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.liquid-glass:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6), var(--glass-inset);
}

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

/* Glass card - clickable cards, info items */
.glass-card {
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  cursor: pointer;
  transition: transform var(--transition-bounce),
    box-shadow var(--transition-med),
    filter var(--transition-med),
    border-color var(--transition-med);
  overflow: hidden;
}

.glass-card::after {
  content: "";
  position: absolute;
  top: -100%;
  left: -100%;
  width: 300%;
  height: 300%;
  background: radial-gradient(
    circle at var(--card-x, 50%) var(--card-y, 50%),
    rgba(255, 255, 255, 0.15) 0%,
    transparent 40%
  );
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.glass-card:hover {
  transform: translateY(-6px) scale(1.02);
  filter: brightness(1.2) url(#glass-hover-distort);
  box-shadow: var(--glass-shadow-hover), var(--glass-inset), 0 0 30px rgba(100, 180, 255, 0.3);
  border-color: var(--glass-border-strong);
}

/* Ripple effect on click */
.glass-card.ripple {
  overflow: hidden;
}

.glass-card .ripple-effect {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: ripple-animation 0.6s ease-out;
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* Glass section - large content areas */
.glass-section {
  border-radius: var(--radius-xl);
  padding: var(--spacing-lg);
  position: relative;
}

/* Glass button - small interactive elements */
.glass-btn {
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: pointer;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  transition: transform var(--transition-bounce),
    background var(--transition-fast),
    box-shadow var(--transition-fast);
}

.glass-btn:hover:not(:disabled) {
  transform: scale(1.08);
  background: var(--glass-bg-hover);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.glass-btn:active:not(:disabled) {
  transform: scale(0.95);
}

/* Glass nav - navigation bar */
.glass-nav {
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ========== Typography ========== */
.section-title {
  font-size: clamp(1.8rem, 2.5vw, 2.5rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: var(--spacing-md);
  text-shadow: 0 0 10px rgba(255, 215, 130, 0.55),
    0 0 20px rgba(255, 200, 90, 0.35);
  position: relative;
  display: inline-block;
  width: 100%;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--color-highlight), transparent);
  border-radius: 2px;
  box-shadow: 0 0 15px rgba(255, 212, 165, 0.8);
  animation: glowPulse 2s ease-in-out infinite;
}

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

.text-highlight {
  color: var(--color-highlight);
}

/* ========== Layout Utilities ========== */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-col {
  flex-direction: column;
}

.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-md);
}

/* ========== Navigation ========== */
header {
  position: fixed;
  top: 0px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  padding: var(--spacing-sm) var(--spacing-lg);
}

nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-lg);
}

.logo {
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  white-space: nowrap;
}

/* Mobile navigation toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 1001;
}

.hamburger {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  position: relative;
  transition: background 0.3s ease;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.3s ease, top 0.3s ease;
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

/* Hamburger animation when open */
.nav-toggle.is-active .hamburger {
  background: transparent;
}

.nav-toggle.is-active .hamburger::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle.is-active .hamburger::after {
  top: 0;
  transform: rotate(-45deg);
}

.nav-links {
  list-style: none;
  display: flex;
  gap: clamp(12px, 2vw, 24px);
}

.nav-links a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  position: relative;
  transition: text-shadow var(--transition-med), color var(--transition-med), transform var(--transition-fast);
  display: inline-block;
}

.nav-links a:active {
  transform: scale(0.95);
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 2px;
  background: var(--color-highlight);
  transition: width var(--transition-med);
}

.nav-links a:hover {
  text-shadow: 0 0 12px rgba(255, 255, 255, 0.8);
  color: var(--color-highlight);
}
.nav-links a:hover::after {
  width: 100%;
}

/* ========== Sections ========== */
main {
  padding-top: 50px;
}

section {
  width: 90%;
  max-width: 1200px;
  margin: var(--section-gap) auto;
}

/* ========== Welcome Section ========== */
#welcome {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

/* Floating particles background */
#welcome::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(100, 180, 255, 0.15) 0%, transparent 50%),
    radial-gradient(circle at 80% 70%, rgba(180, 120, 255, 0.15) 0%, transparent 50%);
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
  z-index: 0;
}

.welcome-hero {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

/* Profile container */
.profile-container {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  isolation: isolate;
}

.profile-glow {
  position: absolute;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(255, 230, 180, 0.6) 0%,
    rgba(255, 200, 135, 0.25) 40%,
    transparent 70%
  );
  filter: blur(50px);
  z-index: 0;
  pointer-events: none;
  animation: glowBreath 4s ease-in-out infinite;
}

.glass-circle {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  isolation: isolate;
  z-index: 2;
  border: 3px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 0 40px rgba(255, 230, 180, 0.3), inset 0 0 20px rgba(255, 255, 255, 0.1);
}

.glass-circle-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  display: block;
}

/* Sun & Moon icons */
.welcome-icon {
  width: clamp(120px, 20vw, 200px);
  height: clamp(120px, 20vw, 200px);
  position: relative;
  transition: transform 0.6s ease;
}

.sun-icon {
  animation: parallaxFloat 8s ease-in-out infinite;
  animation-delay: 0s;
}

.moon-icon {
  animation: parallaxFloat 8s ease-in-out infinite;
  animation-delay: 4s;
}

/* Blur layer using SVG mask */
.blur-layer {
  position: absolute;
  inset: 0;
  backdrop-filter: blur(15px) saturate(1.2);
  -webkit-backdrop-filter: blur(15px) saturate(1.2);
  pointer-events: none;
}

.sun-blur-layer {
  mask-image: url("Assets/Other/sun.svg");
  -webkit-mask-image: url("Assets/Other/sun.svg");
  mask-size: contain;
  -webkit-mask-size: contain;
  mask-repeat: no-repeat;
  -webkit-mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-position: center;
}

.moon-blur-layer {
  mask-image: url("Assets/Other/crescent-moon.svg");
  -webkit-mask-image: url("Assets/Other/crescent-moon.svg");
  mask-size: contain;
  -webkit-mask-size: contain;
  mask-repeat: no-repeat;
  -webkit-mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-position: center;
}

.ouroboros-blur-layer {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  mask-image: url("Assets/Other/Ouroboros_Black.png");
  -webkit-mask-image: url("Assets/Other/Ouroboros_Black.png");
  mask-size: contain;
  -webkit-mask-size: contain;
  mask-repeat: no-repeat;
  -webkit-mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-position: center;
}

.welcome-icon-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  pointer-events: none;
}

/* Hero title */
.hero-title {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 900;
  letter-spacing: 0.06em;
  text-align: center;
  margin: 0;
  text-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
  position: relative;
  z-index: 1;
  animation: float 6s ease-in-out infinite;
  animation-delay: 1s;
}

/* Scroll arrow */
.scroll-arrow {
  display: flex;
  justify-content: center;
  font-size: 5rem;
  color: var(--color-highlight);
  animation: arrowBounce 1.6s ease-in-out infinite;
  text-decoration: none;
  transition: opacity var(--transition-slow);
}

.scroll-arrow i {
  filter: drop-shadow(0 6px 14px rgba(0, 0, 0, 0.45));
}

.scroll-arrow.is-hidden {
  opacity: 0;
  pointer-events: none;
}

/* Ouroboros */
.profile-ouroboros {
  position: absolute;
  width: 130%;
  height: 130%;
  z-index: 3;
}

.ouroboros-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  overflow: visible;
  opacity: 0.25;
}

.ouroboros-visual.is-spinning {
  animation: slowSpin 12s linear infinite;
}

.ouroboros-blur-layer.is-spinning {
  animation: slowSpin 12s linear infinite;
}

/* ========== Education ========== */
.education-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 420px));
  gap: var(--spacing-xs);
  justify-content: center;
  margin-top: var(--spacing-md);
  justify-items: center;
  position: relative;
}

.education-container::before {
  content: "";
  position: absolute;
  bottom: -50px;
  left: 10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(180, 120, 255, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(50px);
  pointer-events: none;
  animation: float 18s ease-in-out infinite;
  animation-delay: 2s;
}

.education-item {
  width: clamp(320px, 55vmin, 520px);
  aspect-ratio: 4 / 3;
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--spacing-xl);
  position: relative;
  overflow: hidden;
  background: rgba(80, 140, 255, 0.08);
  transform-style: preserve-3d;
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.education-item:hover {
  transform: translateY(-10px) rotateX(5deg) rotateY(5deg);
  box-shadow: 0 25px 70px rgba(100, 180, 255, 0.4), var(--glass-inset);
}

.education-emblem-container {
  position: absolute;
  inset: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.education-emblem-visual {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  opacity: 0.35;
}

.education-text {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md);
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.35);
}

.education-text .edu-institution {
  font-size: clamp(1.25rem, 3.2vw, 2.1rem);
  font-weight: 700;
  margin: 0;
  display: flex;
  justify-content: center;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  width: 100%;
  text-shadow: 0 0 10px rgba(120, 180, 255, 0.45);
}

.education-text h3 {
  font-size: clamp(0.9rem, 2vw, 1.4rem);
  font-weight: 600;
  color: var(--color-muted);
  margin: 0;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
}

.education-text .edu-meta {
  font-size: clamp(0.8rem, 1.5vw, 1.1rem);
  color: var(--color-muted);
  margin: 0;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.5);
}

/* ========== Side by Side Layout ========== */
.side-by-side-container {
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: center;
  width: 90%;
  margin: var(--section-gap) auto;
}

.side-by-side-container > section {
  flex: 1 1 320px;
  margin: 0;
}

.skills-column {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  flex: 0 0 320px;
  max-width: 360px;
}

.skills-column.is-hidden {
  visibility: hidden;
  opacity: 0 !important;
  pointer-events: none;
}

.skills-column > section {
  width: 100%;
  margin: 0;
}

#skills {
  width: 100%;
  max-width: 360px;
  margin: 0 auto;
}

/* ========== Card Grid Block ========== */
.card-grid-block {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.active-grid,
.inactive-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
}

.active-grid:empty,
.inactive-grid:empty {
  display: none;
}

/* Info cards (work, research, projects) */
.info-card {
  display: flex;
  flex-direction: column;
  text-align: center;
  align-items: center;
  gap: 4px;
  padding: var(--spacing-sm) var(--spacing-md);
  width: clamp(200px, 28vw, 280px);
  max-width: 100%;
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  perspective: 1000px;
}

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

.info-card:hover::before {
  opacity: 1;
}

.info-card h3 {
  font-size: clamp(1rem, 5cqw, 1.5rem);
  font-weight: 700;
  margin: 0;
  white-space: nowrap;
  overflow: hidden;
  max-width: 100%;
  text-shadow: 0 0 5px rgba(255, 255, 255, 0.45);
}

.marquee-wrapper {
  display: inline-flex;
}

.marquee-wrapper span {
  padding-right: 3rem;
  flex-shrink: 0;
}

.marquee-wrapper .marquee-spacer {
  display: inline-block;
  width: 1.5rem;
  flex-shrink: 0;
  padding-right: 0;
}

.is-overflowing .marquee-wrapper {
  animation: scrollTitle var(--marquee-duration, 8s) linear infinite;
}

@keyframes scrollTitle {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(var(--marquee-distance, -50%));
  }
}

.info-card .card-role {
  font-size: clamp(0.85rem, 4cqw, 1.1rem);
  font-weight: 600;
  color: var(--color-muted);
  margin: 0;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.35);
}

.info-card .card-date {
  font-size: clamp(0.75rem, 3.5cqw, 0.95rem);
  color: var(--color-muted);
  opacity: 0.85;
  margin: 0;
  margin-top: auto;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.35);
}

.info-card .card-location {
  font-size: clamp(0.7rem, 3cqw, 0.85rem);
  color: var(--color-muted);
  opacity: 0.7;
  margin: 0;
  text-shadow: 0 0 6px rgba(0, 0, 0, 0.35);
}

/* Current vs past items */
.info-card.is-current {
  background: var(--color-accent-cool);
  border-color: rgba(120, 170, 140, 0.25);
}

.info-card:not(.is-current) {
  background: var(--color-accent-warm);
  border-color: rgba(190, 130, 130, 0.25);
}

.card-bg-icon {
  position: absolute;
  inset: 0;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(5rem, 12vw, 9rem);
  color: #f6c657;
  opacity: 0.18;
  mix-blend-mode: screen;
  pointer-events: none;
}

.info-card[data-type="work"] .card-bg-icon {
  color: #000;
  opacity: 0.18;
  mix-blend-mode: screen;
  transform: translateY(12%);
}

.info-card[data-type="project"] .card-bg-icon {
  color: #000;
  opacity: 0.18;
  mix-blend-mode: screen;
  transform: translateY(12%);
}

.info-card[data-type="research"] .card-bg-icon {
  color: #000;
  opacity: 0.18;
  mix-blend-mode: screen;
  transform: translateY(12%);
}

/* ========== Skills ========== */
#skillsContent {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-sm);
  position: relative;
}

#skillsContent::before {
  content: "";
  position: absolute;
  top: 50%;
  right: -30px;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, rgba(100, 180, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(40px);
  pointer-events: none;
  animation: float 12s ease-in-out infinite;
  animation-delay: 3s;
}

.skill-item {
  border-radius: var(--radius-md);
  padding: var(--spacing-sm) var(--spacing-md);
  text-align: left;
  display: flex;
  flex-direction: column;
  appearance: none;
  cursor: pointer;
  color: white;
  position: relative;
  overflow: hidden;
}

.skill-item::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.skill-item:hover::before {
  left: 100%;
}

.skill-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 600;
  font-size: 1.05rem;
  text-align: left;
}

.skill-header .bi {
  font-size: 2.2rem;
}

.skill-details {
  opacity: 0;
  max-height: 0;
  overflow: hidden;
  transition: opacity 0.4s cubic-bezier(0.25, 0.1, 0.25, 1),
    max-height 0.4s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.skill-item.is-expanded .skill-details {
  opacity: 1;
  max-height: 200px;
}

.skill-details ul {
  list-style: disc;
  padding-left: 1.2rem;
  margin: var(--spacing-xs) 0 0;
}

.skill-details li {
  font-size: 0.9rem;
  color: white;
  margin-bottom: 0.2rem;
}

/* ========== Certifications ========== */
.cert-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.cert-nav-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.cert-nav-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

#certificationsContent {
  display: flex;
  gap: var(--spacing-sm);
  transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1), height 0.35s ease;
  padding: var(--spacing-sm) 0;
  width: 100%;
  background: transparent;
}

#certifications {
  overflow: hidden;
  position: relative;
}

.cert-item {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  flex: 1;
  min-width: 180px;
  max-width: 280px;
  border-radius: var(--radius-md);
  padding: var(--spacing-md);
  color: white;
  text-align: center;
  overflow: hidden;
}

.cert-item .cert-name {
  font-size: 0.95rem;
  font-weight: 600;
  margin: 0 0 0.25rem;
  text-align: center;
}

.cert-item .cert-meta {
  font-size: 0.85rem;
  color: white;
  margin: 0;
  margin-top: auto;
  align-self: center;
}

.cert-item .card-bg-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: clamp(4.5rem, 12vw, 9rem);
  color: #000;
  opacity: 0.22;
  mix-blend-mode: screen;
  pointer-events: none;
}

/* Certification slide animations */
#certificationsContent.is-slide-out-next {
  transform: translateX(-110%);
  transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1), height 0.35s ease;
}

#certificationsContent.is-slide-out-prev {
  transform: translateX(110%);
  transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1), height 0.35s ease;
}

#certificationsContent.is-prep-next {
  transform: translateX(110%);
  transition: none;
}

#certificationsContent.is-prep-prev {
  transform: translateX(-110%);
  transition: none;
}

#certificationsContent.is-slide-in {
  transform: translateX(0);
  transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1), height 0.35s ease;
}

/* ========== Contact ========== */
.contact-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
  position: relative;
}

.contact-info::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(100, 180, 255, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
  animation: glowBreath 6s ease-in-out infinite;
  z-index: -1;
}

.contact-icon {
  width: 180px;
  min-height: 180px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-sm);
  text-decoration: none;
  color: inherit;
  transform-style: preserve-3d;
  perspective: 1000px;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.contact-icon:hover {
  transform: translateY(-15px) scale(1.05);
}

.contact-icon .bi {
  font-size: 4rem;
  transition: transform var(--transition-med), filter var(--transition-med);
  filter: drop-shadow(0 0 4px rgba(255, 255, 255, 0.2));
}

.contact-icon span {
  font-size: 1.3rem;
  font-weight: 700;
}

.contact-icon:hover .bi {
  transform: scale(1.1);
  filter: drop-shadow(0 0 20px rgba(255, 255, 255, 0.9));
}

/* ========== Modal ========== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-med), visibility var(--transition-med);
}

.modal-backdrop.is-open {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.9);
  width: min(900px, 95vw);
  max-width: 900px;
  max-height: 90vh;
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transition: transform var(--transition-med), opacity var(--transition-med);
  backdrop-filter: var(--glass-blur-strong);
  -webkit-backdrop-filter: var(--glass-blur-strong);
  animation: modalGlow 3s ease-in-out infinite;
}

@keyframes modalGlow {
  0%, 100% {
    box-shadow: var(--glass-shadow), 0 0 40px rgba(100, 180, 255, 0.2);
  }
  50% {
    box-shadow: var(--glass-shadow), 0 0 60px rgba(100, 180, 255, 0.4);
  }
}

.modal-dialog.has-modal-logo {
  position: relative;
  overflow: hidden;
}

.modal-logo-bg {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: none;
  opacity: 1;
  pointer-events: none;
  mix-blend-mode: screen;
  z-index: 0;
}

.modal-logo-img {
  position: absolute;
  inset: 0;
  margin: auto;
  width: auto;
  height: 100%;
  object-fit: contain;
  opacity: 0.1;
  z-index: 1;
  mask-image: linear-gradient(
    90deg,
    rgba(0, 0, 0, 0) 5%,
    rgba(0, 0, 0, 0.8) 20%,
    rgba(0, 0, 0, 1) 50%,
    rgba(0, 0, 0, 0.8) 80%,
    rgba(0, 0, 0, 0) 95%
  );
}

.modal-dialog.has-modal-logo .modal-content {
  position: relative;
  z-index: 1;
}

.modal-content {
  display: flex;
  flex-direction: column;
  gap: 0;
  overflow: hidden;
}

.modal-backdrop.is-open .modal-dialog {
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  z-index: 3;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow), var(--glass-inset);
  color: var(--color-text);
}

.modal-content h3 {
  font-size: 1.6rem;
  margin: 0 0 var(--spacing-xs);
}

.modal-content .modal-subtitle {
  font-size: 1rem;
  color: var(--color-muted);
  margin: 0 0 var(--spacing-sm);
}

.modal-content .modal-subtitle:empty {
  display: none;
  margin: 0;
}

.modal-content .modal-details-title {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-highlight);
  margin: 1.25rem 0 0.5rem;
  border-top: 1px solid var(--glass-border);
  padding-top: 1rem;
}

.modal-content ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin: 0;
}

.modal-content li {
  margin-bottom: 0.5rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.modal-logo-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-sm) 0;
}

.modal-logo {
  width: 70px;
  height: 70px;
  object-fit: contain;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.08);
  padding: 8px;
}

/* ========== Bottom Glow ========== */
.bottom-glow {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 350px;
  pointer-events: none;
  z-index: 900;
  opacity: 0.7;
  transition: opacity var(--transition-slow);
}

.bottom-glow-layer {
  position: absolute;
  bottom: 0;
  left: -20%;
  right: -20%;
  height: 100%;
}

.bottom-glow-primary {
  background: radial-gradient(
    ellipse 120% 100% at 50% 100%,
    rgba(255, 140, 60, 0.7) 0%,
    rgba(255, 120, 40, 0.4) 30%,
    rgba(255, 100, 50, 0.15) 60%,
    transparent 85%
  );
  filter: blur(40px);
  animation: glowPulse 4s ease-in-out infinite;
}

.bottom-glow-secondary {
  background: radial-gradient(
    ellipse 150% 80% at 50% 100%,
    rgba(255, 200, 120, 0.5) 0%,
    rgba(255, 180, 100, 0.25) 40%,
    transparent 60%
  );
  filter: blur(40px);
  animation: glowShift 6s ease-in-out infinite;
}

.bottom-glow-accent {
  background: radial-gradient(
    ellipse 100% 60% at 50% 100%,
    rgba(255, 255, 200, 0.4) 0%,
    rgba(255, 240, 180, 0.15) 40%,
    transparent 50%
  );
  filter: blur(25px);
  animation: glowBreath 3s ease-in-out infinite;
}

.bottom-glow.is-hidden {
  opacity: 0;
  transition: opacity var(--transition-slow);
}

/* ========== About Section ========== */
.about-container {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.about-container::before {
  content: "";
  position: absolute;
  top: -100px;
  right: -50px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(100, 180, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(60px);
  pointer-events: none;
  animation: float 15s ease-in-out infinite;
}

.about-intro {
  font-size: 1.2rem;
  font-weight: 500;
  text-align: center;
  color: var(--color-highlight);
  padding: var(--spacing-lg);
  line-height: 1.6;
  cursor: default;
  position: relative;
  z-index: 2;
}

.about-intro:hover {
  transform: none;
}

.about-details {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text);
  text-align: justify;
  padding: 0 var(--spacing-md);
  position: relative;
  z-index: 2;
}

.about-details p {
  margin-bottom: var(--spacing-md);
}

.about-details p:last-child {
  margin-bottom: 0;
}

.about-info-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.about-info-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  cursor: default;
  position: relative;
  z-index: 2;
}

.about-info-card:hover {
  transform: translateY(-2px);
}

.about-info-card i {
  font-size: 1.4rem;
  color: var(--color-highlight);
}

.about-info-card a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.about-info-card a:hover {
  color: var(--color-highlight);
}

/* ========== Section Subtitle ========== */
.section-subtitle {
  text-align: center;
  color: var(--color-muted);
  font-size: 1rem;
  margin-top: calc(var(--spacing-sm) * -1);
  margin-bottom: var(--spacing-lg);
}

/* Section anchor for alternate navigation */
.section-anchor {
  position: absolute;
  top: calc(-1 * var(--nav-height) - 20px);
  visibility: hidden;
}

/* ========== Reviews Section ========== */
.reviews-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  position: relative;
  min-height: 250px;
  padding: var(--spacing-md) 0;
}

.reviews-container::before {
  content: "";
  position: absolute;
  top: 10%;
  left: 5%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(255, 193, 7, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  filter: blur(50px);
  pointer-events: none;
  animation: float 14s ease-in-out infinite;
  animation-delay: 1s;
}

.reviews-carousel {
  flex: 1;
  max-width: 700px;
  display: flex;
  overflow: hidden;
  position: relative;
}

.review-card {
  flex: 0 0 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-lg);
  opacity: 0;
  transform: translateX(100%);
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.5s ease;
  position: absolute;
  width: 100%;
  filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.3));
}

.review-card.is-active {
  opacity: 1;
  transform: translateX(0);
  position: relative;
}

.review-card.is-prev {
  transform: translateX(-100%);
  opacity: 0;
}

.review-card.is-next {
  transform: translateX(100%);
  opacity: 0;
}

.review-stars {
  display: flex;
  gap: 4px;
  margin-bottom: var(--spacing-sm);
}

.review-stars i {
  color: #ffc107;
  font-size: 1.2rem;
  filter: drop-shadow(0 0 4px rgba(255, 193, 7, 0.5));
  animation: starTwinkle 2s ease-in-out infinite;
  animation-delay: calc(var(--star-index, 0) * 0.2s);
}

@keyframes starTwinkle {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.7;
    transform: scale(0.9);
  }
}

.review-text {
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--color-text);
  font-style: italic;
  max-width: 600px;
  margin-bottom: var(--spacing-md);
  position: relative;
}

.review-text::before {
  content: '"';
  font-size: 3rem;
  color: var(--color-highlight);
  opacity: 0.4;
  position: absolute;
  top: -1rem;
  left: -1.5rem;
  font-family: Georgia, serif;
}

.review-text::after {
  content: '"';
  font-size: 3rem;
  color: var(--color-highlight);
  opacity: 0.4;
  position: absolute;
  bottom: -2rem;
  right: -1rem;
  font-family: Georgia, serif;
}

.review-author {
  font-size: 0.95rem;
  color: var(--color-muted);
  font-weight: 600;
}

.review-nav-btn {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.review-nav-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.reviews-indicators {
  display: flex;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-md);
}

.review-indicator {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  border: none;
  cursor: pointer;
  transition: background 0.3s ease, transform 0.3s ease;
  padding: 0;
}

.review-indicator:hover {
  background: rgba(255, 255, 255, 0.5);
  transform: scale(1.2);
}

.review-indicator.is-active {
  background: var(--color-highlight);
  transform: scale(1.2);
}

/* ========== Footer ========== */
.site-footer {
  padding: var(--spacing-lg) var(--spacing-md);
  margin-top: var(--section-gap);
  text-align: center;
  border-top: 1px solid var(--glass-border);
  background: rgba(0, 0, 0, 0.3);
}

.footer-content {
  max-width: 800px;
  margin: 0 auto;
}

.footer-content p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin-bottom: var(--spacing-sm);
}

.footer-links {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.footer-links a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

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

.footer-divider {
  color: var(--color-muted);
  opacity: 0.5;
}

/* ========== Responsive ========== */

/* Tablet and below */
@media (max-width: 992px) {
  header {
    width: 100%;
    left: 0;
    transform: none;
    border-radius: 0;
    padding: var(--spacing-sm) var(--spacing-md);
  }

  nav {
    width: 100%;
    justify-content: space-between;
  }

  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(20, 20, 35, 0.98);
    backdrop-filter: var(--glass-blur-strong);
    -webkit-backdrop-filter: var(--glass-blur-strong);
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--glass-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
    z-index: 999;
  }

  .nav-links.is-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-size: 1.1rem;
    transition: background var(--transition-fast), color var(--transition-fast);
  }

  .nav-links a:hover {
    background: var(--glass-bg-hover);
  }

  .nav-links a::after {
    display: none;
  }
}

/* Mobile and below */
@media (max-width: 768px) {
  :root {
    --section-gap: 40px;
    --spacing-lg: 24px;
    --spacing-xl: 36px;
  }

  section {
    width: 95%;
    padding: var(--spacing-md);
  }

  .section-title {
    font-size: clamp(1.5rem, 5vw, 2rem);
  }

  .welcome-hero {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .glass-circle {
    width: 220px;
    height: 220px;
  }

  .profile-glow {
    width: 280px;
    height: 280px;
  }

  .welcome-icon {
    width: clamp(80px, 15vw, 120px);
    height: clamp(80px, 15vw, 120px);
  }

  .hero-title {
    font-size: clamp(2rem, 7vw, 3.5rem);
  }

  .scroll-arrow {
    font-size: 3rem;
  }

  .side-by-side-container {
    flex-direction: column;
    width: 95%;
  }

  .skills-column {
    max-width: 100%;
    flex: 1 1 100%;
  }

  .education-container {
    grid-template-columns: 1fr;
  }

  .education-item {
    width: 100%;
    max-width: 400px;
  }

  .contact-info {
    flex-direction: column;
    align-items: center;
  }

  /* About section responsive */
  .about-container {
    gap: var(--spacing-md);
  }

  .about-intro {
    font-size: 1.05rem;
    padding: var(--spacing-md);
  }

  .about-details {
    font-size: 0.95rem;
    text-align: left;
    padding: 0;
  }

  .about-info-grid {
    flex-direction: column;
    align-items: stretch;
  }

  .about-info-card {
    justify-content: center;
  }

  /* Reviews section responsive */
  .reviews-container {
    flex-direction: column;
    min-height: auto;
  }

  .reviews-carousel {
    max-width: 100%;
    order: 1;
  }

  .review-nav-btn {
    width: 44px;
    height: 44px;
  }

  .review-prev {
    order: 0;
  }

  .review-next {
    order: 2;
  }

  .reviews-container {
    flex-direction: row;
  }

  .review-card {
    padding: var(--spacing-md);
  }

  .review-text {
    font-size: 1rem;
  }

  .review-text::before,
  .review-text::after {
    font-size: 2rem;
  }

  /* Modal responsive */
  .modal-dialog {
    width: 95vw;
    max-height: 85vh;
    padding: var(--spacing-md);
  }

  .modal-content h3 {
    font-size: 1.3rem;
  }

  /* Footer responsive */
  .footer-links {
    flex-direction: column;
    gap: var(--spacing-xs);
  }

  .footer-divider {
    display: none;
  }
}

/* Small phones */
@media (max-width: 480px) {
  :root {
    --spacing-md: 16px;
    --spacing-lg: 20px;
  }

  .section-title {
    font-size: 1.4rem;
  }

  .hero-title {
    font-size: clamp(1.8rem, 8vw, 2.5rem);
  }

  .glass-circle {
    width: 180px;
    height: 180px;
  }

  .profile-glow {
    width: 220px;
    height: 220px;
  }

  .contact-icon {
    width: 120px;
    min-height: 120px;
  }

  .contact-icon .bi {
    font-size: 2.5rem;
  }

  .contact-icon span {
    font-size: 1rem;
  }

  .info-card {
    width: 100%;
  }

  .cert-item {
    min-width: 140px;
    padding: var(--spacing-sm);
  }

  .cert-name {
    font-size: 0.85rem;
  }

  /* Reviews adjustments */
  .review-nav-btn {
    width: 36px;
    height: 36px;
    font-size: 1.2rem;
  }

  .review-text {
    font-size: 0.95rem;
  }

  .reviews-indicators {
    gap: 6px;
  }

  .review-indicator {
    width: 8px;
    height: 8px;
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  .glass-card:hover {
    transform: none;
    filter: none;
  }

  .glass-card:active {
    transform: scale(0.98);
    filter: brightness(1.1);
  }

  .glass-btn:hover:not(:disabled) {
    transform: none;
  }

  .glass-btn:active:not(:disabled) {
    transform: scale(0.95);
    background: var(--glass-bg-hover);
  }

  /* Remove cursor pointer styles for touch */
  .glass-card::after {
    display: none;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .ouroboros-visual.is-spinning,
  .ouroboros-blur-layer.is-spinning {
    animation: none;
  }

  .scroll-arrow {
    animation: none;
  }

  html {
    scroll-behavior: auto;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --glass-bg: rgba(0, 0, 0, 0.8);
    --glass-border: rgba(255, 255, 255, 0.5);
    --color-text: #ffffff;
    --color-muted: #e0e0e0;
  }
}

/* Print styles */
@media print {
  header,
  .scroll-arrow,
  .bottom-glow,
  .nav-toggle,
  .review-nav-btn,
  .reviews-indicators,
  .modal-backdrop {
    display: none !important;
  }

  body {
    background: white;
    color: black;
  }

  .glass,
  .glass-section,
  .glass-card {
    background: white;
    border: 1px solid #ccc;
    box-shadow: none;
    backdrop-filter: none;
  }

  section {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}