/* Import Google Fonts and Icons */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=JetBrains+Mono:wght@400;500&family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@20..48,100..700,0..1,-50..200&display=swap');

/* CSS Custom Properties & Design System */
:root {
  /* Common variables */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 0.25rem;       /* 4px */
  --radius-default: 0.5rem;  /* 8px */
  --radius-md: 0.75rem;      /* 12px */
  --radius-lg: 1rem;         /* 16px */
  --radius-xl: 1.5rem;       /* 24px */
  --radius-full: 9999px;

  --spacing-unit: 4px;
  --container-max: 1200px;
  --gutter: 24px;
  --section-gap-desktop: 120px;
  --section-gap-mobile: 64px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables (Default) */
:root,
html.dark {
  color-scheme: dark;
  --surface: #171717;
  --surface-dim: #171717;
  --surface-bright: #171717;
  --surface-container-lowest: #0F1110;
  --surface-container-low: #0F1110;
  --surface-container: #0F1110;
  --surface-container-high: #171717;
  --surface-container-highest: #171717;
  --on-surface: #F5F7F5;
  --on-surface-variant: #A7ADA9;
  --inverse-surface: #F5F7F5;
  --inverse-on-surface: #0F1110;
  --outline: #6F7873;
  --outline-variant: #29332F;
  --surface-tint: #21F1A8;
  --primary: #21F1A8;
  --on-primary: #0F1110;
  --primary-container: #5CFFC5;
  --on-primary-container: #0F1110;
  --inverse-primary: #0B3D30;
  --secondary: #0B3D30;
  --on-secondary: #F5F7F5;
  --secondary-container: #0B3D30;
  --on-secondary-container: #F5F7F5;
  --tertiary: #A7ADA9;
  --on-tertiary: #0F1110;
  --tertiary-container: #29332F;
  --on-tertiary-container: #F5F7F5;
  --error: #A7ADA9;
  --on-error: #0F1110;
  --error-container: #29332F;
  --on-error-container: #F5F7F5;
  --background: #171717;
  --on-background: #F5F7F5;
  --surface-variant: #0F1110;

  /* Glassmorphic variables */
  --glass-bg: rgba(15, 17, 16, 0.92);
  --glass-border: #29332F;
  --glass-border-hover: #21F1A8;
  --glass-glow: rgba(33, 241, 168, 0.20);
  --card-glow-opacity: 0.12;
  --nav-bg: rgba(15, 17, 16, 0.92);
  --input-bg: #141816;
}

/* Keep the theme toggle within the requested dark palette */
html.light {
  color-scheme: dark;
}

/* Reset and Global Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: auto;
  font-family: var(--font-sans);
  background-color: var(--background);
  color: var(--on-background);
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Lenis Smooth Scroll Integration */
html.lenis, html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-smooth [data-lenis-prevent] {
  overscroll-behavior: contain;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

.lenis.lenis-smooth iframe {
  pointer-events: none;
}

body {
  overflow-x: hidden;
  font-size: 16px;
  line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--surface-container-lowest);
}
::-webkit-scrollbar-thumb {
  background: var(--surface-container-high);
  border-radius: var(--radius-full);
  border: 2px solid var(--surface-container-lowest);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--outline-variant);
}

/* Typography Utility Classes */
.display-lg {
  font-family: var(--font-sans);
  font-size: 4.5rem; /* 72px */
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.04em;
}

.headline-xl {
  font-family: var(--font-sans);
  font-size: 3rem; /* 48px */
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.headline-lg {
  font-family: var(--font-sans);
  font-size: 2rem; /* 32px */
  font-weight: 600;
  line-height: 1.3;
}

.body-lg {
  font-family: var(--font-sans);
  font-size: 1.125rem; /* 18px */
  font-weight: 400;
  line-height: 1.6;
}

.body-md {
  font-family: var(--font-sans);
  font-size: 1rem; /* 16px */
  font-weight: 400;
  line-height: 1.6;
}

.code-sm {
  font-family: var(--font-mono);
  font-size: 0.875rem; /* 14px */
  font-weight: 400;
  line-height: 1.5;
}

.label-caps {
  font-family: var(--font-sans);
  font-size: 0.75rem; /* 12px */
  font-weight: 600;
  line-height: 1.0;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Layout Utilities */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section-gap {
  padding-top: var(--section-gap-desktop);
  padding-bottom: var(--section-gap-desktop);
}

/* Glow Orbs */
.glow-orb {
  position: absolute;
  border-radius: var(--radius-full);
  filter: blur(120px);
  pointer-events: none;
  z-index: -2;
  opacity: 0.25;
  transition: opacity var(--transition-slow);
}
.glow-primary {
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
}
.glow-secondary {
  background: radial-gradient(circle, var(--secondary) 0%, transparent 70%);
}

/* Glassmorphic Components */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 8px 32px 0 rgba(15, 17, 16, 0.2);
  transition: border-color var(--transition-normal), 
              transform var(--transition-normal), 
              box-shadow var(--transition-normal),
              background var(--transition-normal);
}

.glass-card:hover {
  border-color: var(--glass-border-hover);
  transform: translateY(-5px);
  box-shadow: 0 20px 40px -20px var(--glass-glow), 0 12px 24px -10px rgba(15, 17, 16, 0.3);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-default);
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-normal), 
              background-color var(--transition-normal), 
              border-color var(--transition-normal), 
              box-shadow var(--transition-normal),
              color var(--transition-normal);
}

.btn:hover {
  transform: scale(1.03);
}

.btn-primary {
  background: var(--primary);
  color: var(--on-primary);
  border: none;
  box-shadow: 0 4px 15px var(--glass-glow);
}

.btn-primary:hover {
  background: var(--primary-container);
  color: var(--on-primary-container);
  box-shadow: 0 6px 20px var(--glass-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--on-background);
  border: 1px solid var(--primary);
}

.btn-ghost:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--on-primary);
}

/* Header & Nav */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-b: 1px solid var(--glass-border);
  box-shadow: 0 4px 30px rgba(15, 17, 16, 0.1);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

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

.logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  border-radius: var(--radius-sm);
  transition: transform var(--transition-normal);
}

.logo-link:hover .logo-img {
  transform: scale(1.05);
}

.footer-logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
}

.nav-menu {
  display: flex;
  gap: 32px;
  list-style: none;
}

.nav-link {
  color: var(--on-surface-variant);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
  padding: 8px 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.theme-toggle-btn {
  background: none;
  border: none;
  color: var(--on-surface-variant);
  cursor: pointer;
  font-size: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px;
  border-radius: var(--radius-full);
  transition: background-color var(--transition-normal), color var(--transition-fast);
}

.theme-toggle-btn:hover {
  background-color: var(--secondary);
  color: var(--primary);
}

.btn:focus-visible,
.theme-toggle-btn:focus-visible,
.nav-link:focus-visible,
.mobile-nav-link:focus-visible,
.project-link:focus-visible,
.footer-link:focus-visible,
.social-link:focus-visible,
.all-projects-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}

/* Hamburger menu button */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 24px;
  height: 18px;
  background: transparent;
  border: none;
  cursor: pointer;
  z-index: 101;
}

.hamburger span {
  width: 100%;
  height: 2px;
  background-color: var(--on-background);
  border-radius: var(--radius-full);
  transition: transform var(--transition-normal), opacity var(--transition-normal);
}

/* Mobile navigation drawer */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(300px, 80vw);
  height: 100vh;
  background: var(--surface-container-low);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border-left: 1px solid var(--glass-border);
  z-index: 99;
  display: flex;
  flex-direction: column;
  padding: 100px 32px 32px 32px;
  gap: 24px;
  transition: right var(--transition-normal);
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav-link {
  color: var(--on-background);
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--primary);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  overflow: hidden;
}

.hero-bg,
#hero-background-shader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  overflow: hidden;
  pointer-events: none;
}

.hero-bg canvas,
#shader-canvas-ANIMATION_3 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
  object-fit: cover;
}

#particle-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}

#particle-container canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  display: block;
}

.hero-grid {
  display: grid;
  grid-template-cols: 1.2fr 0.8fr;
  gap: 48px;
  align-items: center;
}

.hero-tag {
  display: inline-block;
  padding: 6px 16px;
  background: rgba(33, 241, 168, 0.12);
  border: 1px solid rgba(33, 241, 168, 0.20);
  color: var(--primary);
  border-radius: var(--radius-full);
  margin-bottom: 24px;
  text-transform: uppercase;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.hero-title {
  margin-bottom: 24px;
}

.hero-title span {
  color: var(--primary);
  position: relative;
}

.hero-desc {
  color: var(--on-surface-variant);
  max-w: 540px;
  margin-bottom: 40px;
}

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

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  perspective: 1000px;
}

.hero-img-frame {
  position: relative;
  border-radius: var(--radius-xl);
  padding: 12px;
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: 0 20px 40px rgba(15, 17, 16, 0.3);
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
  cursor: grab;
  user-select: none;
  -webkit-user-drag: none;
  transition: border-color var(--transition-normal), transform 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow var(--transition-normal);
}

.hero-img-frame:active,
.hero-img-frame.is-pressing {
  cursor: grabbing;
}

.hero-img-frame:hover {
  border-color: var(--glass-border-hover);
  box-shadow: 0 25px 50px -15px var(--glass-glow), 0 15px 30px -10px rgba(15, 17, 16, 0.4);
}

.hero-photo-glow {
  width: 250px;
  height: 250px;
  top: -30px;
  right: -30px;
  opacity: 0.3;
}

.hero-img {
  width: 100%;
  max-width: 380px;
  height: auto;
  object-fit: cover;
  border-radius: calc(var(--radius-xl) - 8px);
  border: 1px solid var(--glass-border);
  filter: drop-shadow(0 15px 35px rgba(15, 17, 16, 0.3));
  animation: float 6s ease-in-out infinite;
  display: block;
}

/* Particles background overlay */
#particle-container {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}

/* About Section */
.about-grid {
  display: grid;
  grid-template-cols: 1fr;
  gap: 32px;
  align-items: center;
}

.about-img-container {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.about-img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius-xl);
  border: 2px solid var(--glass-border);
  box-shadow: 0 20px 40px rgba(15, 17, 16, 0.3);
  will-change: transform;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.about-title {
  color: var(--primary);
}

.about-stats {
  display: grid;
  grid-template-cols: repeat(4, 1fr);
  gap: 16px;
  margin-top: 32px;
}

.stat-card {
  text-align: center;
  padding: 20px 12px;
  border-radius: var(--radius-md);
}

.stat-num {
  font-weight: 800;
  color: var(--primary);
  font-size: 2.25rem;
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* Section Header */
.section-header {
  text-align: center;
  margin-bottom: 64px;
}

.section-header h2 {
  position: relative;
  display: inline-block;
  margin-bottom: 12px;
}

.section-header .accent-bar {
  width: 64px;
  height: 4px;
  background: var(--primary);
  margin: 0 auto;
  border-radius: var(--radius-full);
}

/* Skills Section */
.skills-section {
  background-color: transparent;
  position: relative;
  overflow: hidden;
}

.skills-grid {
  display: grid;
  grid-template-cols: repeat(3, 1fr);
  gap: 32px;
}

.skills-card {
  padding: 40px;
  border-radius: var(--radius-xl);
}

.skills-card-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 24px;
}

.skills-card-header span.material-symbols-outlined {
  font-size: 2.25rem;
  color: var(--primary);
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.skill-chip {
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid var(--glass-border);
  background: rgba(245, 247, 245, 0.02);
  transition: all var(--transition-fast);
  cursor: default;
}

.skill-chip:hover {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* Projects Section */
.projects-header-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 64px;
}

.projects-header-wrapper .section-header {
  text-align: left;
  margin-bottom: 0;
}

.projects-header-wrapper .section-header .accent-bar {
  margin: 0;
}

.all-projects-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: gap var(--transition-fast);
}

.all-projects-link:hover {
  gap: 14px;
}

.projects-grid {
  display: grid;
  grid-template-cols: repeat(3, 1fr);
  gap: 32px;
}

.project-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-img-wrapper {
  position: relative;
  height: 220px;
  background-size: 118%;
  background-position: center;
  background-color: var(--surface-container-low);
  overflow: hidden;
  will-change: transform;
}

.project-img-wrapper::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, var(--surface-container-low), transparent);
  z-index: 1;
}

.project-badge {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--secondary);
  color: var(--on-secondary-container);
  padding: 4px 12px;
  border-radius: var(--radius-full);
  z-index: 2;
}

.project-info {
  padding: 30px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-title {
  margin-bottom: 12px;
}

.project-desc {
  color: var(--on-surface-variant);
  margin-bottom: 24px;
  font-size: 0.95rem;
  line-height: 1.5;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 24px;
}

.project-tag {
  color: var(--primary);
}

.project-links {
  display: flex;
  gap: 20px;
  margin-top: auto;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--on-background);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.project-link:hover {
  color: var(--primary);
}

.project-link span.material-symbols-outlined {
  font-size: 1.1rem;
}

/* GitHub Activity Section */
.github-section {
  background-color: rgba(15, 17, 16, 0.15);
}

.github-card {
  padding: 48px;
  border-radius: var(--radius-xl);
}

.github-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 40px;
}

.github-handle {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  text-decoration: none;
  color: var(--on-background);
  font-weight: 500;
}

.github-handle:hover {
  background-color: var(--secondary);
}

/* Mock contribution graph wrapper */
.github-graph-container {
  width: 100%;
  overflow: hidden;
  background: rgba(15, 17, 16, 0.15);
  border: 1px solid rgba(245, 247, 245, 0.05);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-bottom: 40px;
}

.github-graph-img {
  width: 100%;
  height: auto;
  opacity: 0.85;
  filter: brightness(1.15) contrast(1.05);
}

.github-repos-grid {
  display: grid;
  grid-template-cols: 1fr 1fr;
  gap: 24px;
}

.repo-card {
  padding: 24px;
  border: 1px solid #29332F;
  background: #0F1110;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast);
}

.repo-card:hover {
  border-color: var(--primary);
}

.repo-name {
  color: var(--primary);
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.repo-desc {
  font-size: 0.9rem;
  color: var(--on-surface-variant);
  margin-bottom: 16px;
  line-height: 1.4;
}

.repo-meta {
  display: flex;
  gap: 20px;
  font-size: 0.8rem;
  color: var(--on-surface-variant);
}

.repo-lang {
  display: flex;
  align-items: center;
  gap: 6px;
}

.repo-lang-color {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}

.lang-js,
.lang-ts { background-color: var(--primary); }

.repo-stars {
  display: flex;
  align-items: center;
  gap: 4px;
}

.repo-stars span.material-symbols-outlined {
  font-size: 0.95rem;
}

/* Experience and Certs Section */
.exp-certs-grid {
  display: grid;
  grid-template-cols: 1fr 1fr;
  gap: 64px;
}

.timeline {
  position: relative;
  padding-left: 28px;
  margin-top: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 10px;
  bottom: 0;
  left: 3px;
  width: 2px;
  background: rgba(33, 241, 168, 0.20);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
}

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

.timeline-dot {
  position: absolute;
  left: -28px;
  top: 6px;
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--primary);
  box-shadow: 0 0 0 4px var(--background), 0 0 12px var(--primary);
  z-index: 2;
  transition: transform var(--transition-normal);
}

.timeline-item:hover .timeline-dot {
  transform: scale(1.3);
}

/* Active node pulse effect */
.timeline-dot.pulse::after {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: var(--radius-full);
  border: 1px solid var(--primary);
  animation: pulse-glow 2s infinite;
}

.timeline-date {
  font-size: 0.8rem;
  color: var(--primary);
  font-weight: 600;
  margin-bottom: 8px;
}

.timeline-title {
  margin-bottom: 4px;
}

.timeline-org {
  color: var(--on-surface-variant);
  font-size: 0.95rem;
  margin-bottom: 12px;
}

.timeline-desc {
  color: var(--on-surface-variant);
}

.certs-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-top: 40px;
}

.cert-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 24px;
  border-radius: var(--radius-lg);
}

.cert-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(33, 241, 168, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.cert-icon-wrapper span.material-symbols-outlined {
  font-size: 1.85rem;
}

.cert-title {
  margin-bottom: 4px;
}

.cert-org {
  color: var(--on-surface-variant);
  font-size: 0.85rem;
}

/* Contact Section */
.contact-card {
  padding: 64px;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.contact-grid {
  display: grid;
  grid-template-cols: 1fr 1.2fr;
  gap: 64px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-title {
  margin-bottom: 24px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.contact-detail-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-detail-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: rgba(33, 241, 168, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
}

.contact-detail-text {
  font-size: 1.1rem;
}

.social-links {
  display: flex;
  gap: 16px;
}

.social-link {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
  color: var(--on-surface-variant);
  transition: color var(--transition-fast);
}

.social-link:hover {
  background-color: var(--primary);
  border-color: var(--primary);
}

.social-link:hover svg {
  color: var(--on-primary);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group-row {
  display: grid;
  grid-template-cols: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-label {
  color: var(--on-surface-variant);
}

.form-input, .form-textarea {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  color: var(--on-background);
  padding: 16px 24px;
  border-radius: var(--radius-default);
  outline: none;
  font-family: var(--font-sans);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px rgba(33, 241, 168, 0.20);
}

.form-textarea {
  resize: vertical;
}

/* Contact feedback styling */
.form-feedback {
  padding: 16px;
  border-radius: var(--radius-default);
  margin-top: 10px;
  display: none;
}

.form-feedback.success {
  display: block;
  background-color: rgba(33, 241, 168, 0.08);
  border: 1px solid var(--primary);
  color: var(--primary);
}

.form-feedback.error {
  display: block;
  background-color: #141816;
  border: 1px solid var(--error);
  color: var(--error);
}

/* Footer Section */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--glass-border);
  background-color: var(--surface-container-lowest);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-logo-text {
  font-weight: 700;
  color: var(--on-surface);
}

.footer-copy {
  color: var(--on-surface-variant);
  font-size: 0.9rem;
}

.footer-links {
  display: flex;
  gap: 32px;
}

.footer-link {
  color: var(--on-surface-variant);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-link:hover {
  color: var(--primary);
}

/* Scroll reveal class animations (Telha & Clarke style silky reveal) */
.reveal {
  opacity: 0;
  transform: translateY(48px);
  transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Keyframes animations */
@keyframes float {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-15px) rotate(1.5deg);
  }
}

@keyframes pulse-glow {
  0% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(33, 241, 168, 0.20);
  }
  70% {
    transform: scale(1);
    box-shadow: 0 0 0 8px rgba(33, 241, 168, 0);
  }
  100% {
    transform: scale(0.95);
    box-shadow: 0 0 0 0 rgba(33, 241, 168, 0);
  }
}

/* Responsive Breakpoints */
@media (max-width: 1024px) {
  .display-lg { font-size: 3.5rem; }
  .headline-xl { font-size: 2.5rem; }
  .hero-grid { grid-template-cols: 1fr; text-align: center; gap: 40px; }
  .hero-desc { margin-left: auto; margin-right: auto; }
  .hero-btns { justify-content: center; }
  .hero-visual {
    display: flex;
    justify-content: center;
    margin: 0 auto;
    width: 100%;
  }
  .hero-img {
    max-width: 300px;
  }
  
  .about-grid { grid-template-cols: 1fr; gap: 48px; }
  .about-img-container { max-width: 400px; margin: 0 auto; }
  .about-stats { grid-template-cols: repeat(2, 1fr); }
  
  .skills-grid { grid-template-cols: 1fr; gap: 24px; }
  .projects-grid { grid-template-cols: repeat(2, 1fr); gap: 24px; }
  .github-repos-grid { grid-template-cols: 1fr; }
  .exp-certs-grid { grid-template-cols: 1fr; gap: 48px; }
  .contact-grid { grid-template-cols: 1fr; gap: 48px; }
}

@media (max-width: 768px) {
  :root {
    --section-gap-desktop: var(--section-gap-mobile);
  }
  .display-lg { font-size: 2.5rem; }
  .headline-xl { font-size: 2rem; }
  .headline-lg { font-size: 1.5rem; }
  
  .nav-menu, .nav-actions .btn {
    display: none; /* Hide standard nav and resume button on mobile */
  }
  
  .hamburger {
    display: flex;
  }
  
  .projects-header-wrapper {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }
  .projects-grid {
    grid-template-cols: 1fr;
  }
  
  .github-card {
    padding: 24px;
  }
  .github-header {
    flex-direction: column;
    align-items: flex-start;
  }
  
  .contact-card {
    padding: 32px 24px;
  }
  .form-group-row {
    grid-template-cols: 1fr;
  }
  .footer-container {
    flex-direction: column;
    text-align: center;
    gap: 16px;
  }
  .footer-links {
    flex-wrap: wrap;
    justify-content: center;
  }
}