/* =========================================================
   ARUN KUMAR S — Portfolio CSS  v2.0
   ========================================================= */

/* ===== CSS DESIGN TOKENS ===== */
:root {
  /* Background */
  --bg-primary:   #060614;
  --bg-secondary: #0d0d1a;
  --bg-tertiary:  #12122a;
  --bg-card:      rgba(255,255,255,0.03);

  /* Glass */
  --glass-bg:     rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.10);
  --glass-blur:   blur(20px);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg,#6C63FF 0%,#2196F3 100%);
  --gradient-accent:  linear-gradient(135deg,#00D4FF 0%,#6C63FF 100%);
  --gradient-warm:    linear-gradient(135deg,#FF6B6B 0%,#FF8E53 100%);
  --gradient-green:   linear-gradient(135deg,#43e97b 0%,#38f9d7 100%);

  /* Text */
  --text-primary:   #ffffff;
  --text-secondary: rgba(255,255,255,0.70);
  --text-muted:     rgba(255,255,255,0.40);

  /* Accent colours */
  --accent:   #6C63FF;
  --accent-2: #00D4FF;
  --accent-3: #FF6B6B;

  /* Shadows */
  --shadow-sm:   0 4px 15px  rgba(0,0,0,0.30);
  --shadow-md:   0 8px 32px  rgba(0,0,0,0.40);
  --shadow-lg:   0 20px 60px rgba(0,0,0,0.50);
  --shadow-glow: 0 0 40px    rgba(108,99,255,0.30);
  --shadow-glow-2: 0 0 40px  rgba(0,212,255,0.20);

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 40px;

  /* Transitions */
  --transition:        all 0.3s cubic-bezier(0.4,0,0.2,1);
  --transition-slow:   all 0.6s cubic-bezier(0.4,0,0.2,1);
  --transition-bounce: all 0.4s cubic-bezier(0.34,1.56,0.64,1);

  /* Fonts */
  --font-body:    'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;

  /* Layout */
  --nav-h: 72px;
  --container-max: 1200px;
  --section-py: 100px;
}

/* ===== LIGHT THEME ===== */
[data-theme="light"] {
  --bg-primary:   #f0f2ff;
  --bg-secondary: #ffffff;
  --bg-tertiary:  #e8ebff;
  --bg-card:      rgba(255,255,255,0.80);

  --glass-bg:     rgba(255,255,255,0.60);
  --glass-border: rgba(108,99,255,0.20);

  --text-primary:   #1a1a2e;
  --text-secondary: rgba(26,26,46,0.70);
  --text-muted:     rgba(26,26,46,0.40);

  --shadow-sm:   0 4px 15px  rgba(108,99,255,0.10);
  --shadow-md:   0 8px 32px  rgba(108,99,255,0.15);
  --shadow-lg:   0 20px 60px rgba(108,99,255,0.20);
  --shadow-glow: 0 0 40px    rgba(108,99,255,0.20);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  transition: background-color 0.4s ease, color 0.4s ease;
}

img { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

/* ===== TYPOGRAPHY ===== */
h1,h2,h3,h4,h5,h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}
h1 { font-size: clamp(2.5rem, 6vw, 5rem); }
h2 { font-size: clamp(2rem,   4vw, 3rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
p  { color: var(--text-secondary); }

.gradient-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== UTILITIES ===== */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
}

.section { padding-block: var(--section-py); }

.section-header {
  text-align: center;
  margin-bottom: 60px;
}
.section-label {
  display: inline-block;
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(108,99,255,.12);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}
.section-title  { margin-bottom: 14px; }
.section-desc   { max-width: 560px; margin-inline: auto; font-size: 1.05rem; }

/* Glass card */
.glass-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.glass-card:hover {
  border-color: rgba(108,99,255,.35);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: .95rem;
  transition: var(--transition-bounce);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient-primary);
  color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108,99,255,.5);
}
.btn-outline {
  border: 1.5px solid var(--glass-border);
  color: var(--text-primary);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--accent);
  background: rgba(108,99,255,.1);
  transform: translateY(-2px);
}
.btn-sm { padding: 8px 18px; font-size: .85rem; }

/* Social pill */
.social-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: var(--transition-bounce);
}
.social-pill:hover {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

/* Skill tags */
.skill-tag {
  display: inline-block;
  padding: 4px 12px;
  background: rgba(108,99,255,.12);
  border: 1px solid rgba(108,99,255,.25);
  color: var(--accent);
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 500;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}
.reveal.reveal-right {
  transform: translateX(30px);
}
.reveal.visible {
  opacity: 1;
  transform: translate(0);
}

/* ===== LOADING SCREEN ===== */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  transition: opacity .5s ease, visibility .5s ease;
}
.loading-screen.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loader-content  { text-align: center; }
.loader-brand {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 24px;
  animation: pulse 1.2s ease-in-out infinite;
}
.loader-bar-wrap {
  width: 200px;
  height: 3px;
  background: var(--glass-bg);
  border-radius: 99px;
  overflow: hidden;
  margin: 0 auto 12px;
}
.loader-bar {
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 99px;
  animation: loadBar 1.8s ease-in-out infinite;
}
.loader-text {
  font-size: .85rem;
  color: var(--text-muted);
}

@keyframes loadBar {
  0%   { width: 0%;   margin-left: 0; }
  50%  { width: 80%;  margin-left: 0; }
  100% { width: 0%;   margin-left: 100%; }
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:.5} }

/* ===== CURSOR GLOW ===== */
.cursor-glow {
  position: fixed;
  pointer-events: none;
  width: 400px; height: 400px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108,99,255,.08) 0%, transparent 70%);
  transform: translate(-50%,-50%);
  z-index: 0;
  transition: opacity .3s ease;
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(16px);
  transition: var(--transition);
  z-index: 1000;
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-4px); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 900;
  height: var(--nav-h);
  transition: var(--transition);
}
.navbar.scrolled {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: var(--shadow-sm);
  height: 62px;
}
.nav-container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

/* Logo */
.nav-logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  display: flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.logo-gradient {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-text { color: var(--text-primary); }

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  position: relative;
  padding: 6px 12px;
  font-size: .9rem;
  font-weight: 500;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 50%;
  width: 0; height: 2px;
  background: var(--gradient-primary);
  border-radius: 99px;
  transform: translateX(-50%);
  transition: width .3s ease;
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
}
.nav-link:hover::after,
.nav-link.active::after { width: 60%; }

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 1rem;
  transition: var(--transition-bounce);
  position: relative;
  overflow: hidden;
}
.theme-toggle:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: rotate(20deg) scale(1.1);
}
.toggle-track { position: relative; width: 1em; height: 1em; }
.toggle-icon  {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.toggle-sun  { opacity: 0; transform: rotate(90deg); }
.toggle-moon { opacity: 1; transform: rotate(0); }

[data-theme="light"] .toggle-sun  { opacity: 1; transform: rotate(0); }
[data-theme="light"] .toggle-moon { opacity: 0; transform: rotate(-90deg); }


/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 30px;
  padding: 4px;
}
.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 99px;
  transition: var(--transition);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  top: var(--nav-h);
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  transform: translateX(100%);
  transition: transform .4s cubic-bezier(0.4,0,0.2,1);
  z-index: 800;
}
.mobile-menu.open { transform: translateX(0); }
.mobile-nav-links { display: flex; flex-direction: column; gap: 4px; }
.mobile-nav-link {
  display: block;
  padding: 14px 16px;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  transition: var(--transition);
}
.mobile-nav-link:hover {
  color: var(--text-primary);
  background: var(--glass-bg);
  padding-left: 24px;
}
.mobile-socials {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.mobile-social-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  font-size: 1.1rem;
  color: var(--text-secondary);
  transition: var(--transition-bounce);
}
.mobile-social-icon:hover {
  background: var(--gradient-primary);
  color: #fff;
  border-color: transparent;
}

/* ===== HERO ===== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-primary);
}
.particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%; height: 100%;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding-top: calc(var(--nav-h) + 40px);
  padding-bottom: 80px;
}


.hero-greeting {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.hero-name {
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 16px;
}
.name-highlight {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Typed text */
.hero-typed-wrap {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.typed-prefix { color: var(--text-secondary); }
.typed-text   { color: var(--accent-2); min-width: 4ch; }
.typed-cursor {
  color: var(--accent);
  font-weight: 300;
  animation: blink .8s step-end infinite;
}
@keyframes blink { 50%{opacity:0} }

.hero-bio {
  max-width: 480px;
  margin-bottom: 32px;
  font-size: 1rem;
  line-height: 1.8;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}
.hero-socials {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

/* Profile visual */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.profile-frame {
  position: relative;
  width: 380px; height: 380px;
}
.profile-glow-ring {
  position: absolute;
  inset: -16px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--accent), var(--accent-2), var(--accent-3), var(--accent));
  animation: spin 6s linear infinite;
  opacity: .5;
  filter: blur(2px);
}
@keyframes spin { to { transform: rotate(360deg); } }

.profile-hex-wrap {
  position: absolute;
  inset: 8px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--bg-tertiary);
  border: 3px solid var(--glass-border);
  z-index: 2;
}
.profile-img {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: top center;
}

/* ===== ABOUT ===== */
.about-section { background: var(--bg-secondary); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-image-col { position: relative; }
.about-img-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-width: 440px;
}
.about-img-glow {
  position: absolute;
  inset: -20px;
  background: var(--gradient-primary);
  filter: blur(40px);
  opacity: .15;
  z-index: 0;
}
.about-img {
  position: relative;
  width: 100%;
  aspect-ratio: 4/5;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--glass-border);
  z-index: 1;
}
.about-img-border {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  background: linear-gradient(var(--bg-secondary),var(--bg-secondary)) padding-box,
              var(--gradient-primary) border-box;
  z-index: 2;
  pointer-events: none;
}


/* About content */
.about-sub {
  font-size: 1.4rem;
  margin-bottom: 20px;
  line-height: 1.4;
}
.about-text {
  margin-bottom: 16px;
  line-height: 1.8;
}

.about-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 8px;
}

/* ===== SERVICES ===== */
.services-section { background: var(--bg-primary); }
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  overflow: hidden;
  transition-delay: var(--delay, 0s);
}
.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity .3s ease;
  border-radius: inherit;
}
.service-card:hover::before { opacity: .04; }

.service-icon-wrap {
  position: relative;
  width: 64px; height: 64px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-icon-bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-primary);
  border-radius: inherit;
  opacity: .15;
}
.service-icon {
  position: relative;
  font-size: 1.6rem;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.service-title { font-size: 1.2rem; margin: 0; }
.service-desc  { font-size: .9rem; flex: 1; }
.service-features { display: flex; flex-direction: column; gap: 8px; }
.service-feature {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: var(--text-secondary);
}
.feature-check {
  color: #22c55e;
  font-size: .85rem;
  flex-shrink: 0;
}

/* ===== SKILLS ===== */
.skills-section { background: var(--bg-secondary); }

/* ── Tabs ── */
.skills-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-bottom: 52px;
}
.skills-tab {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 26px;
  border-radius: 999px;
  border: 1.5px solid var(--glass-border);
  background: var(--glass-bg);
  color: var(--text-muted);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .01em;
  cursor: pointer;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: color .25s, border-color .25s, background .25s, box-shadow .25s, transform .2s;
}
.skills-tab i { font-size: .85rem; }
.skills-tab:hover {
  border-color: var(--tab-color);
  color: var(--tab-color);
  transform: translateY(-2px);
}
.skills-tab.active {
  background: var(--tab-color);
  border-color: var(--tab-color);
  color: #fff;
  box-shadow: 0 6px 28px color-mix(in srgb, var(--tab-color) 45%, transparent);
  transform: translateY(-2px);
}

/* ── Panels ── */
.skills-panels { position: relative; }
.skills-panel {
  display: none;
  grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
  gap: 18px;
}
.skills-panel.active {
  display: grid;
  animation: skillPanelIn .4s cubic-bezier(0.22, 1, 0.36, 1) both;
}
@keyframes skillPanelIn {
  from { opacity: 0; transform: translateY(18px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Skill tiles ── */
.skill-tile {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 32px 16px 24px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  overflow: hidden;
  cursor: default;
  transition: transform .3s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow .3s ease,
              border-color .3s ease;
}

/* radial glow that appears on hover */
.skill-tile-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    circle at 50% 60%,
    color-mix(in srgb, var(--cat-color) 18%, transparent) 0%,
    transparent 70%
  );
  opacity: 0;
  transition: opacity .35s ease;
  pointer-events: none;
}
.skill-tile:hover { transform: translateY(-8px) scale(1.04); }
.skill-tile:hover .skill-tile-glow { opacity: 1; }
.skill-tile:hover {
  border-color: color-mix(in srgb, var(--cat-color) 55%, transparent);
  box-shadow:
    0 20px 48px color-mix(in srgb, var(--cat-color) 22%, transparent),
    0 0 0 1px color-mix(in srgb, var(--cat-color) 25%, transparent);
}

/* top accent line */
.skill-tile::before {
  content: '';
  position: absolute;
  top: 0; left: 20%; right: 20%;
  height: 2px;
  background: var(--cat-color);
  border-radius: 0 0 4px 4px;
  opacity: 0;
  transition: opacity .3s, left .3s, right .3s;
}
.skill-tile:hover::before { opacity: 1; left: 10%; right: 10%; }

.skill-tile-icon {
  font-size: 2.6rem;
  color: var(--cat-color);
  display: flex;
  align-items: center;
  justify-content: center;
  height: 52px;
  position: relative;
  z-index: 1;
  transition: transform .3s cubic-bezier(0.22, 1, 0.36, 1);
}
.skill-tile:hover .skill-tile-icon { transform: scale(1.12); }

.skill-tile-name {
  font-size: .8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  line-height: 1.3;
  position: relative;
  z-index: 1;
  transition: color .25s;
}
.skill-tile:hover .skill-tile-name { color: var(--text-primary); }

/* ===== EXPERIENCE ===== */
.experience-section { background: var(--bg-primary); }

.exp-list {
  max-width: 800px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Each row: dot track (left) + card (right) */
.exp-item {
  display: grid;
  grid-template-columns: 56px 1fr;
  gap: 0 28px;
  position: relative;
}

/* Vertical line that runs through all items */
.exp-item::before {
  content: '';
  position: absolute;
  left: 27px;
  top: 52px;
  bottom: -28px;
  width: 2px;
  background: var(--glass-border);
}
.exp-item:last-child::before { display: none; }

/* Track column */
.exp-track {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 28px;
}

/* Dot */
.exp-dot {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 3px solid var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: .9rem;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(108,99,255,0.15), var(--shadow-glow);
  transition: var(--transition);
  z-index: 1;
}
.exp-item:hover .exp-dot {
  transform: scale(1.12);
  box-shadow: 0 0 0 7px rgba(108,99,255,0.18), 0 0 28px rgba(108,99,255,0.45);
}

/* Card */
.exp-card {
  padding: 28px 32px 26px;
  margin-block: 16px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.exp-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: var(--gradient-primary);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.exp-item:hover .exp-card {
  transform: translateX(6px);
  border-color: rgba(108,99,255,0.4);
  box-shadow: var(--shadow-md), -4px 0 0 0 var(--accent);
}

/* Top row: period + type badge */
.exp-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.exp-period {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .78rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .04em;
  text-transform: uppercase;
}
.exp-period i { color: var(--accent); }

.exp-type {
  padding: 4px 14px;
  border-radius: 50px;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
}
.exp-type.freelance  { background: rgba(0,212,255,.1);   color: var(--accent-2); border: 1px solid rgba(0,212,255,.3); }
.exp-type.internship { background: rgba(108,99,255,.1); color: var(--accent);   border: 1px solid rgba(108,99,255,.3); }
.exp-type.academic   { background: rgba(255,107,107,.1); color: var(--accent-3); border: 1px solid rgba(255,107,107,.3); }

/* Role title — large, with underline accent (matches skills cat-title style) */
.exp-role {
  font-size: 1.2rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.3;
  margin-bottom: 8px;
  display: inline-block;
}
.exp-role::after {
  content: '';
  display: block;
  width: 36px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 99px;
  margin-top: 8px;
}

/* Company row */
.exp-company {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: .875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.exp-company i {
  color: var(--accent-2);
  font-size: .8rem;
}
.exp-location {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}
.exp-location i {
  color: var(--accent-1);
  font-size: .75rem;
}

/* Description */
.exp-desc {
  font-size: .9rem;
  line-height: 1.75;
  color: var(--text-secondary);
  padding-top: 16px;
  border-top: 1px solid var(--glass-border);
  margin-bottom: 18px;
}

/* Skills */
.exp-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== PROJECTS ===== */
.projects-section { background: var(--bg-secondary); }
.project-filters {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 8px 24px;
  border-radius: 50px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.filter-btn:hover  { border-color: var(--accent); color: var(--accent); }
.filter-btn.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: #fff;
  box-shadow: 0 4px 20px rgba(108,99,255,.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.project-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 0;
  transition: var(--transition);
  position: relative;
}
.project-card.hidden { display: none; }
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-glow), var(--shadow-md);
}

/* ===== HIGHLIGHT / MAIN PROJECT CARD ===== */
.project-highlight {
  position: relative;
}
.project-highlight::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 2px;
  background: linear-gradient(135deg, #6c63ff 0%, #00d4ff 50%, #6c63ff 100%);
  background-size: 200% 200%;
  animation: highlightShift 5s ease infinite;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  z-index: 5;
}
.highlight-border-anim { display: none; }
@keyframes highlightShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.project-img-wrap {
  position: relative;
  aspect-ratio: 4/3;
  overflow: hidden;
}
.project-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.project-card:hover .project-img { transform: scale(1.08); }

/* Overlay */
.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(6,6,20,.95) 0%, rgba(6,6,20,.6) 100%);
  display: flex;
  align-items: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity .4s ease;
}
.project-card:hover .project-overlay { opacity: 1; }
.project-overlay-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  transform: translateY(10px);
  transition: transform .4s ease;
}
.project-card:hover .project-overlay-content { transform: translateY(0); }
.project-overlay-title {
  font-size: 1.1rem;
  color: #fff;
}
.project-overlay-btns {
  display: flex;
  gap: 10px;
}
.btn-icon {
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  transition: var(--transition);
}
.btn-icon:hover { background: var(--accent); border-color: transparent; }

/* Featured badge */
.project-featured-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 4px 12px;
  background: var(--gradient-warm);
  color: #fff;
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Main project badge */
.project-main-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  padding: 5px 14px;
  background: linear-gradient(135deg, #6c63ff, #f7971e);
  color: #fff;
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 5px;
  box-shadow: 0 2px 12px rgba(108,99,255,.5);
  animation: pulseBadge 2.5s ease-in-out infinite;
}
@keyframes pulseBadge {
  0%, 100% { box-shadow: 0 2px 12px rgba(108,99,255,.5); }
  50%       { box-shadow: 0 4px 22px rgba(108,99,255,.9); }
}

/* Card body */
.project-body {
  padding: 20px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.project-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.project-category-badge {
  padding: 3px 10px;
  background: rgba(108,99,255,.12);
  color: var(--accent);
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 600;
  border: 1px solid rgba(108,99,255,.25);
}
.project-year {
  font-size: .8rem;
  color: var(--text-muted);
}
.project-title { font-size: 1.15rem; margin: 0; }
.project-desc  { font-size: .88rem; line-height: 1.7; flex: 1; }
.project-tags  { display: flex; flex-wrap: wrap; gap: 6px; }
.project-links { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }

/* PDF / Report / PlayStore / Disabled link buttons */
.btn-pdf {
  background: rgba(220,53,69,.12);
  color: #dc3545;
  border: 1px solid rgba(220,53,69,.3);
}
.btn-pdf:hover { background: #dc3545; color: #fff; border-color: transparent; }

.btn-report {
  background: rgba(23,162,184,.12);
  color: #17a2b8;
  border: 1px solid rgba(23,162,184,.3);
}
.btn-report:hover { background: #17a2b8; color: #fff; border-color: transparent; }

.btn-playstore {
  background: linear-gradient(135deg, rgba(52,168,83,.15), rgba(66,133,244,.15));
  color: #34a853;
  border: 1px solid rgba(52,168,83,.3);
}
.btn-playstore:hover {
  background: linear-gradient(135deg, #34a853, #4285f4);
  color: #fff;
  border-color: transparent;
}

.btn-disabled {
  opacity: .55;
  cursor: default;
  pointer-events: none;
}

/* ===== EDUCATION ===== */
.education-section { background: var(--bg-primary); }

/* Timeline layout */
.edu-timeline {
  max-width: 780px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.edu-tl-item {
  display: grid;
  grid-template-columns: 1fr 44px 1.8fr;
  gap: 0 20px;
  transition-delay: var(--delay, 0s);
}

/* Left: period + institution */
.edu-tl-marker {
  padding-top: 22px;
  text-align: right;
  padding-right: 4px;
}
.edu-tl-period {
  display: inline-block;
  padding: 5px 14px;
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 700;
  color: var(--accent-2);
  border: 1.5px solid var(--accent-2);
  background: rgba(0,212,255,.08);
  letter-spacing: .04em;
  white-space: nowrap;
}
.edu-tl-inst {
  display: block;
  font-size: .78rem;
  color: var(--text-muted);
  margin-top: 6px;
  line-height: 1.4;
}

/* Center: dot + line */
.edu-tl-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 20px;
}
.edu-tl-dot {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: 3px solid var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: .88rem;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(108,99,255,0.15), var(--shadow-glow);
  z-index: 1;
}
.edu-tl-line {
  flex: 1;
  width: 2px;
  background: var(--glass-border);
  margin-top: 8px;
  min-height: 28px;
}

/* Right: card */
.edu-tl-card {
  padding: 22px 26px 24px;
  margin-block: 12px 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}
.edu-tl-card:hover {
  border-color: rgba(108,99,255,0.35);
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transform: translateX(5px);
}

.edu-tl-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}
.edu-tl-degree {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-display);
  line-height: 1.3;
}
.edu-tl-field {
  color: var(--accent-2);
  font-size: .85rem;
  font-weight: 500;
  margin-top: 2px;
}

.edu-status {
  padding: 4px 12px;
  border-radius: 50px;
  font-size: .72rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
}
.edu-status.pursuing  { background: rgba(34,197,94,.1);   color: #22c55e;     border: 1px solid rgba(34,197,94,.3); }
.edu-status.completed { background: rgba(108,99,255,.1);  color: var(--accent); border: 1px solid rgba(108,99,255,.3); }

.edu-tl-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}
.edu-tl-gpa, .edu-tl-loc {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .78rem;
  color: var(--text-muted);
  font-weight: 500;
}
.edu-tl-gpa i { color: #facc15; }
.edu-tl-loc i { color: var(--accent-2); }

.edu-tl-desc {
  font-size: .875rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 12px;
}
.edu-tl-tags { display: flex; flex-wrap: wrap; gap: 6px; }

/* Online learning sub-section */
.edu-courses-header {
  text-align: center;
  margin-top: 64px;
  margin-bottom: 36px;
}
.edu-courses-title {
  font-size: 1.6rem;
  font-weight: 700;
  font-family: var(--font-display);
  margin-top: 8px;
}

.edu-courses-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 24px;
  max-width: 900px;
  margin-inline: auto;
}

.edu-course-card {
  padding: 28px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  display: flex;
  flex-direction: column;
  gap: 0;
  transition: var(--transition);
  transition-delay: var(--delay, 0s);
  position: relative;
  overflow: hidden;
}
.edu-course-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--gradient-accent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.edu-course-card:hover {
  transform: translateY(-5px);
  border-color: rgba(0,212,255,0.4);
  box-shadow: var(--shadow-md), var(--shadow-glow-2);
}
.edu-course-card:hover::before { opacity: 1; }

.edu-course-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}
.edu-course-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: var(--gradient-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  box-shadow: 0 4px 15px rgba(0,212,255,0.25);
}

.edu-course-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 10px;
  margin-bottom: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--glass-border);
}

/* ===== EDUCATION SPLIT (two-column) ===== */
.edu-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 1100px;
  margin-inline: auto;
}

.edu-split-col:first-child {
  padding-right: 52px;
  border-right: 1px solid var(--glass-border);
}
.edu-split-col:last-child {
  padding-left: 52px;
}

.edu-split-col-label {
  font-size: .75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .1em;
  color: var(--text-muted);
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  gap: 7px;
}
.edu-split-col-label i { color: var(--accent); }

.edu-split-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--glass-border);
  transition-delay: var(--delay, 0s);
}
.edu-split-item:first-of-type { border-top: 1px solid var(--glass-border); }

.edu-split-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.edu-split-org {
  font-size: .82rem;
  color: var(--text-muted);
  font-weight: 500;
}
.edu-split-location {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .78rem;
  color: var(--text-muted);
}
.edu-split-location i {
  color: var(--accent-1);
  font-size: .72rem;
}

.edu-split-title {
  font-size: 1.1rem;
  font-weight: 700;
  font-family: var(--font-display);
  color: var(--text-primary);
  line-height: 1.35;
  margin-bottom: 4px;
}

.edu-split-field {
  font-size: .85rem;
  color: var(--accent-2);
  font-weight: 500;
  margin-bottom: 10px;
}

.edu-split-desc {
  font-size: .875rem;
  line-height: 1.75;
  color: var(--text-secondary);
  margin-bottom: 0;
}

.edu-split-gpa {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .78rem;
  color: var(--text-muted);
  font-weight: 500;
  margin-top: 10px;
}
.edu-split-gpa i { color: #facc15; }

.edu-split-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

/* ===== CONTACT ===== */
.contact-section { background: var(--bg-secondary); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 60px;
  align-items: start;
}

.contact-intro {
  font-size: .98rem;
  line-height: 1.8;
  margin-bottom: 32px;
}
.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 32px;
}
.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
}
.contact-card-icon {
  width: 48px; height: 48px;
  border-radius: var(--radius-sm);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-card-label {
  display: block;
  font-size: .75rem;
  color: var(--text-muted);
  margin-bottom: 2px;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.contact-card-value {
  font-size: .9rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color .3s;
}
a.contact-card-value:hover { color: var(--accent); }

.contact-social-label {
  font-size: .85rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
}
.contact-social-links { display: flex; gap: 12px; flex-wrap: wrap; }

/* Form */
.contact-form-card { padding: 36px 32px; }
.form-title { margin-bottom: 24px; font-size: 1.3rem; }

/* Toast notifications */
#toastContainer {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 12px;
  pointer-events: none;
}
.toast {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  border-radius: var(--radius-sm);
  font-size: .9rem;
  font-weight: 500;
  min-width: 280px;
  max-width: 360px;
  pointer-events: all;
  opacity: 0;
  transform: translateX(40px);
  transition: opacity .3s ease, transform .3s ease;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.toast--visible {
  opacity: 1;
  transform: translateX(0);
}
.toast--success {
  background: rgba(34,197,94,.12);
  border: 1px solid rgba(34,197,94,.35);
  color: #22c55e;
}
.toast--error {
  background: rgba(255,107,107,.12);
  border: 1px solid rgba(255,107,107,.35);
  color: var(--accent-3);
}
.toast span {
  flex: 1;
}
.toast-close {
  background: none;
  border: none;
  cursor: pointer;
  color: inherit;
  opacity: .6;
  padding: 0 2px;
  font-size: .85rem;
  line-height: 1;
}
.toast-close:hover { opacity: 1; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group {
  position: relative;
  margin-bottom: 20px;
}
.form-input {
  width: 100%;
  padding: 16px 16px 12px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: .95rem;
  outline: none;
  transition: var(--transition);
  resize: vertical;
}
.form-input:focus {
  border-color: var(--accent);
  background: rgba(108,99,255,.05);
}

/* Floating label */
.form-label {
  position: absolute;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
  font-size: .9rem;
  color: var(--text-muted);
  pointer-events: none;
  transition: var(--transition);
}
.form-textarea ~ .form-label { top: 22px; transform: none; }
.form-input:not(:placeholder-shown) ~ .form-label,
.form-input:focus ~ .form-label {
  top: 8px;
  font-size: .72rem;
  color: var(--accent);
  transform: none;
}
.form-textarea:not(:placeholder-shown) ~ .form-label,
.form-textarea:focus ~ .form-label {
  top: 6px;
  font-size: .72rem;
  color: var(--accent);
}

.form-line {
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--gradient-primary);
  transition: width .3s ease;
  border-radius: 99px;
}
.form-input:focus ~ .form-line { width: 100%; }

.btn-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 1rem;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
}
.footer-glow {
  position: absolute;
  top: 0; left: 50%;
  transform: translateX(-50%);
  width: 600px; height: 200px;
  background: radial-gradient(ellipse, rgba(108,99,255,.08) 0%, transparent 70%);
  pointer-events: none;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 60px;
  padding-block: 60px;
}
.footer-tagline {
  font-size: .9rem;
  margin-block: 12px 20px;
  max-width: 260px;
}
.footer-socials { display: flex; gap: 10px; flex-wrap: wrap; }
.footer-nav-title {
  font-weight: 700;
  font-size: .9rem;
  color: var(--text-primary);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: .08em;
}
.footer-nav ul    { display: flex; flex-direction: column; gap: 10px; }
.footer-link {
  font-size: .9rem;
  color: var(--text-secondary);
  transition: color .3s ease, padding-left .3s ease;
}
.footer-link:hover { color: var(--accent); padding-left: 6px; }

.footer-contact-list { display: flex; flex-direction: column; gap: 12px; }
.footer-contact-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .88rem;
  color: var(--text-secondary);
}
.footer-contact-list i { color: var(--accent); width: 16px; }
.footer-contact-list a { transition: color .3s; }
.footer-contact-list a:hover { color: var(--accent); }

.footer-bottom {
  border-top: 1px solid var(--glass-border);
  padding-block: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-inline: 24px;
  max-width: var(--container-max);
  margin-inline: auto;
}
.footer-copy, .footer-version {
  font-size: .85rem;
  color: var(--text-muted);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
  .hero-inner { gap: 40px; }
  .profile-frame { width: 320px; height: 320px; }
}

@media (max-width: 992px) {
  :root { --section-py: 72px; }

  .nav-links { display: none; }
  .hamburger { display: flex; }

  .hero-inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
  }
  .hero-content { order: 2; }
  .hero-visual  { order: 1; }
  .hero-cta, .hero-socials { justify-content: center; }
  .hero-bio { max-width: 100%; }
  .profile-frame { width: 280px; height: 280px; }

  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-img-frame { max-width: 100%; }

  .services-grid { grid-template-columns: 1fr 1fr; }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }

  .exp-item { grid-template-columns: 44px 1fr; gap: 0 20px; }
  .exp-item::before { left: 21px; }
  .exp-dot { width: 38px; height: 38px; font-size: .8rem; }
  .exp-item:hover .exp-card { transform: translateX(4px); }

  .contact-grid { grid-template-columns: 1fr; gap: 40px; }

  .footer-inner { grid-template-columns: 1fr 1fr; gap: 40px; }
}

@media (max-width: 768px) {
  :root { --section-py: 56px; }

  .services-grid { grid-template-columns: 1fr; }
  .skills-panel { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 12px; }
  .skill-tile { padding: 24px 12px 18px; gap: 10px; }
  .skill-tile-icon { font-size: 2rem; height: 40px; }
  .skills-tabs { gap: 8px; }
  .skills-tab { padding: 9px 16px; font-size: .8rem; }
  .projects-grid { grid-template-columns: 1fr; }
  .education-grid { grid-template-columns: 1fr; }
  .edu-split-grid { grid-template-columns: 1fr; }
  .edu-split-col:first-child { padding-right: 0; border-right: none; border-bottom: 1px solid var(--glass-border); padding-bottom: 40px; margin-bottom: 40px; }
  .edu-split-col:last-child { padding-left: 0; }
  .form-row { grid-template-columns: 1fr; }

  .hero-name { font-size: clamp(2rem, 10vw, 3rem); }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { justify-content: center; text-align: center; }

}

@media (max-width: 576px) {
  :root { --section-py: 48px; --nav-h: 60px; }

  .container { padding-inline: 16px; }
  .hero-inner { padding-top: calc(var(--nav-h) + 20px); }
  .profile-frame { width: 220px; height: 220px; }

.exp-item { grid-template-columns: 36px 1fr; gap: 0 14px; }
  .exp-item::before { left: 17px; }
  .exp-card { padding: 20px 18px 18px; }
  .exp-item:hover .exp-card { transform: none; box-shadow: var(--shadow-sm); }
  .contact-form-card { padding: 24px 20px; }
  .back-to-top { bottom: 20px; right: 20px; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(.9); }
  to   { opacity: 1; transform: scale(1); }
}

/* Stagger for hero content */
.hero-content .hero-greeting   { animation: fadeInUp .6s ease .2s both; }
.hero-content .hero-name       { animation: fadeInUp .6s ease .3s both; }
.hero-content .hero-typed-wrap { animation: fadeInUp .6s ease .4s both; }
.hero-content .hero-bio        { animation: fadeInUp .6s ease .5s both; }
.hero-content .hero-cta        { animation: fadeInUp .6s ease .6s both; }
.hero-content .hero-socials    { animation: fadeInUp .6s ease .7s both; }
.hero-visual                   { animation: scaleIn  .8s ease .4s both; }