/* ===================================
   HAROON UR RASHEED — Portfolio CSS
   =================================== */

/* ---------- CSS Custom Properties ---------- */
:root {
  --clr-bg:          #050816;
  --clr-bg-2:        #0d1117;
  --clr-surface:     #0f172a;
  --clr-surface-2:   #1e293b;
  --clr-border:      rgba(255,255,255,0.07);
  --clr-border-glow: rgba(99,102,241,0.35);

  --clr-primary:     #6366f1;
  --clr-primary-l:   #818cf8;
  --clr-accent:      #06b6d4;
  --clr-accent-2:    #a78bfa;
  --clr-pink:        #ec4899;

  --gradient-main:   linear-gradient(135deg, #6366f1 0%, #06b6d4 100%);
  --gradient-glow:   linear-gradient(135deg, rgba(99,102,241,0.3) 0%, rgba(6,182,212,0.3) 100%);

  --clr-text:        #e2e8f0;
  --clr-text-muted:  #94a3b8;
  --clr-text-dim:    #475569;

  --radius-sm:  0.5rem;
  --radius-md:  0.875rem;
  --radius-lg:  1.25rem;
  --radius-xl:  2rem;

  --shadow-glow:  0 0 40px rgba(99,102,241,0.25), 0 0 80px rgba(6,182,212,0.1);
  --shadow-card:  0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg:    0 20px 60px rgba(0,0,0,0.6);

  --nav-h: 72px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);

  --font-sans:  'Inter', sans-serif;
  --font-head:  'Outfit', sans-serif;
  --font-mono:  'JetBrains Mono', monospace;
}

/* ---------- Light Theme ---------- */
[data-theme='light'] {
  --clr-bg:          #f0f4ff;
  --clr-bg-2:        #e8edf8;
  --clr-surface:     #ffffff;
  --clr-surface-2:   #eef2fb;
  --clr-border:      rgba(99,102,241,0.12);
  --clr-border-glow: rgba(99,102,241,0.4);

  --clr-primary:     #4f46e5;
  --clr-primary-l:   #6366f1;
  --clr-accent:      #0891b2;
  --clr-accent-2:    #7c3aed;

  --gradient-main:   linear-gradient(135deg, #4f46e5 0%, #0891b2 100%);
  --gradient-glow:   linear-gradient(135deg, rgba(79,70,229,0.2) 0%, rgba(8,145,178,0.2) 100%);

  --clr-text:        #0f172a;
  --clr-text-muted:  #475569;
  --clr-text-dim:    #94a3b8;

  --shadow-glow:  0 0 40px rgba(79,70,229,0.18), 0 0 80px rgba(8,145,178,0.08);
  --shadow-card:  0 8px 32px rgba(79,70,229,0.1);
  --shadow-lg:    0 20px 60px rgba(79,70,229,0.15);
}

/* Smooth theme transition on everything */
*, *::before, *::after {
  transition:
    background-color 0.35s ease,
    border-color     0.35s ease,
    color            0.35s ease,
    box-shadow       0.35s ease;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  overflow-x: hidden;
}

body {
  background-color: var(--clr-bg);
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Light mode body overrides */
[data-theme='light'] body {
  background-color: var(--clr-bg);
}
[data-theme='light'] .hero-overlay {
  background: linear-gradient(
    135deg,
    rgba(240,244,255,0.97) 0%,
    rgba(240,244,255,0.75) 50%,
    rgba(240,244,255,0.92) 100%
  );
}
[data-theme='light'] .hero-bg-img { opacity: 0.08; }
[data-theme='light'] #particleCanvas { opacity: 0.45; }
[data-theme='light'] .navbar.scrolled {
  background: rgba(240,244,255,0.92);
  box-shadow: 0 4px 24px rgba(79,70,229,0.1);
}
[data-theme='light'] .nav-logo,
[data-theme='light'] .hero-name { color: #0f172a; }
[data-theme='light'] .nav-link { color: var(--clr-text-muted); }
[data-theme='light'] .nav-link:hover,
[data-theme='light'] .nav-link.active { color: var(--clr-primary); }
[data-theme='light'] .floating-card {
  background: rgba(255,255,255,0.9);
  border-color: rgba(99,102,241,0.15);
}
[data-theme='light'] .hero-image-ring.ring-1 { border-color: rgba(79,70,229,0.2); }
[data-theme='light'] .hero-image-ring.ring-2 { border-color: rgba(8,145,178,0.15); }
[data-theme='light'] .hero-image-ring.ring-3 { border-color: rgba(124,58,237,0.1); }
[data-theme='light'] .skills-bg-glow,
[data-theme='light'] .edu-bg-glow { opacity: 0.5; }
[data-theme='light'] .form-group input,
[data-theme='light'] .form-group textarea {
  background: var(--clr-bg);
  color: var(--clr-text);
}
[data-theme='light'] .form-group input::placeholder,
[data-theme='light'] .form-group textarea::placeholder { color: var(--clr-text-dim); }
[data-theme='light'] .footer {
  background: #e8edf8;
  border-color: rgba(99,102,241,0.15);
}

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

/* ---------- Custom Cursor ---------- */
.cursor {
  width: 12px; height: 12px;
  background: var(--clr-primary);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.1s ease;
  mix-blend-mode: screen;
}
.cursor-follower {
  width: 36px; height: 36px;
  border: 1.5px solid rgba(99,102,241,0.5);
  border-radius: 50%;
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9998;
  transition: all 0.25s ease;
}

/* ---------- Scrollbar ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-primary); border-radius: 3px; }

/* ---------- Container ---------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ---------- Section Shared ---------- */
.section { padding: 6rem 0; position: relative; }

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--clr-accent);
  background: rgba(6,182,212,0.08);
  border: 1px solid rgba(6,182,212,0.2);
  padding: 0.35rem 1rem;
  border-radius: 2rem;
  margin-bottom: 1rem;
}

.section-title {
  font-family: var(--font-head);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: 0.625rem;
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
  font-family: var(--font-sans);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-main);
  color: #fff;
  box-shadow: 0 4px 20px rgba(99,102,241,0.4);
}
.btn-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99,102,241,0.55); }
.btn-primary:hover::before { opacity: 1; }

.btn-outline {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border-glow);
  backdrop-filter: blur(8px);
}
.btn-outline:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary-l);
  background: rgba(99,102,241,0.08);
  transform: translateY(-2px);
}

.btn-nav {
  background: var(--gradient-main);
  color: #fff;
  padding: 0.55rem 1.35rem;
  font-size: 0.875rem;
  box-shadow: 0 2px 16px rgba(99,102,241,0.3);
}
.btn-nav:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(99,102,241,0.5); }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2.5rem;
  z-index: 1000;
  transition: var(--transition);
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(5,8,22,0.92);
  backdrop-filter: blur(20px);
  border-color: var(--clr-border);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.03em;
}
.logo-bracket { color: var(--clr-primary); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: color 0.25s;
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--gradient-main);
  border-radius: 1px;
  transition: width 0.3s;
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--clr-text);
  border-radius: 1px;
  transition: var(--transition);
}

/* ---------- Theme Toggle ---------- */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--clr-surface);
  border: 1.5px solid var(--clr-border-glow);
  color: var(--clr-text-muted);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  /* Override the broad transition so the spin is independent */
  transition: background 0.35s ease, border-color 0.35s ease,
              color 0.35s ease, transform 0.35s ease, box-shadow 0.35s ease !important;
}
.theme-toggle:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: rgba(99,102,241,0.1);
  transform: scale(1.1);
  box-shadow: 0 0 14px rgba(99,102,241,0.3);
}
.theme-toggle svg {
  position: absolute;
  transition: opacity 0.3s ease, transform 0.4s ease;
}
/* Dark mode: show moon, hide sun */
.icon-moon { opacity: 1; transform: rotate(0deg) scale(1); }
.icon-sun  { opacity: 0; transform: rotate(90deg) scale(0.5); }
/* Light mode: hide moon, show sun */
[data-theme='light'] .icon-moon { opacity: 0; transform: rotate(-90deg) scale(0.5); }
[data-theme='light'] .icon-sun  { opacity: 1; transform: rotate(0deg) scale(1); }
[data-theme='light'] .theme-toggle { color: var(--clr-accent); border-color: var(--clr-accent); }
[data-theme='light'] .theme-toggle:hover { background: rgba(8,145,178,0.1); box-shadow: 0 0 14px rgba(8,145,178,0.25); }

/* Spin animation when toggling */
.theme-toggle.spin { animation: theme-spin 0.4s ease; }
@keyframes theme-spin {
  0%   { transform: rotate(0deg) scale(1); }
  50%  { transform: rotate(180deg) scale(0.85); }
  100% { transform: rotate(360deg) scale(1); }
}

/* ---------- HERO ---------- */
.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 3rem;
  padding: calc(var(--nav-h) + 3rem) 7vw 4rem;
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg-img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.22;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(5,8,22,0.96) 0%,
    rgba(5,8,22,0.7) 50%,
    rgba(5,8,22,0.88) 100%
  );
}

#particleCanvas {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(6,182,212,0.1);
  border: 1px solid rgba(6,182,212,0.25);
  padding: 0.4rem 1rem;
  border-radius: 2rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--clr-accent);
  margin-bottom: 1.25rem;
  animation: fadeInDown 0.8s ease forwards;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--clr-accent);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%, 100% { box-shadow: 0 0 0 0 rgba(6,182,212,0.6); }
  50% { box-shadow: 0 0 0 6px rgba(6,182,212,0); }
}

.hero-greeting {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  font-weight: 400;
  margin-bottom: 0.25rem;
  animation: fadeInUp 0.8s 0.1s ease both;
}

.hero-name {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 6vw, 5rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: #fff;
  margin-bottom: 0.75rem;
  display: flex;
  flex-direction: column;
  animation: fadeInUp 0.8s 0.2s ease both;
}
.name-line { display: block; }

.hero-titles {
  font-size: 1.3rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  color: var(--clr-text-muted);
  min-height: 2rem;
  animation: fadeInUp 0.8s 0.3s ease both;
}
.title-prefix { color: var(--clr-text-muted); }
.typed-text { color: var(--clr-primary-l); font-weight: 600; }
.cursor-blink {
  color: var(--clr-primary);
  animation: blink 1s infinite;
  font-weight: 300;
}
@keyframes blink { 50% { opacity: 0; } }

.hero-description {
  font-size: 1.05rem;
  color: var(--clr-text-muted);
  max-width: 520px;
  margin-bottom: 2rem;
  line-height: 1.8;
  animation: fadeInUp 0.8s 0.4s ease both;
}
.hero-description strong { color: var(--clr-text); }

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
  animation: fadeInUp 0.8s 0.5s ease both;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  animation: fadeInUp 0.8s 0.6s ease both;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-head);
  font-size: 2.2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1;
}
.stat-suffix { color: var(--clr-primary); font-size: 1.5rem; font-weight: 700; }
.stat-label { font-size: 0.78rem; color: var(--clr-text-muted); margin-top: 0.25rem; display: block; }
.stat-divider {
  width: 1px; height: 40px;
  background: var(--clr-border);
}

/* Hero Image */
.hero-image-wrapper {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeInRight 1s 0.4s ease both;
}

.hero-image-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid;
  animation: rotate-ring 20s linear infinite;
}
.ring-1 {
  width: 380px; height: 380px;
  border-color: rgba(99,102,241,0.25);
  animation-duration: 25s;
}
.ring-2 {
  width: 460px; height: 460px;
  border-color: rgba(6,182,212,0.15);
  border-style: dashed;
  animation-direction: reverse;
  animation-duration: 35s;
}
.ring-3 {
  width: 540px; height: 540px;
  border-color: rgba(167,139,250,0.1);
  animation-duration: 50s;
}
@keyframes rotate-ring { to { transform: rotate(360deg); } }

.hero-image-container {
  width: 300px; height: 300px;
  border-radius: 50%;
  overflow: hidden;
  border: 4px solid;
  border-image: var(--gradient-main) 1;
  box-shadow: var(--shadow-glow), 0 0 0 8px rgba(99,102,241,0.1);
  position: relative;
  background: var(--clr-surface);
  flex-shrink: 0;
}
.hero-avatar { width: 100%; height: 100%; object-fit: cover; }

/* Floating Cards */
.floating-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: rgba(15,23,42,0.85);
  border: 1px solid var(--clr-border);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-md);
  padding: 0.7rem 1rem;
  box-shadow: var(--shadow-card);
  animation: float 6s ease-in-out infinite;
}
.card-1 { top: 5%; right: -2%; animation-delay: 0s; }
.card-2 { bottom: 15%; left: -5%; animation-delay: 2s; }
.card-3 { bottom: 0; right: 0; animation-delay: 4s; }
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.fc-icon { font-size: 1.4rem; }
.fc-title { font-weight: 700; font-size: 0.85rem; color: #fff; }
.fc-sub { font-size: 0.72rem; color: var(--clr-text-muted); }

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--clr-text-muted);
  font-size: 0.78rem;
  animation: fadeInUp 1s 1s ease both;
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 2px solid var(--clr-border-glow);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-wheel {
  width: 3px; height: 8px;
  background: var(--clr-primary);
  border-radius: 2px;
  animation: scroll-anim 2s infinite;
}
@keyframes scroll-anim {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(14px); opacity: 0; }
}

/* ---------- Animations Utilities ---------- */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-aos].visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ---------- ABOUT ---------- */
.about-section { background: var(--clr-bg-2); }

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-img-wrapper {
  position: relative;
  display: inline-block;
}
.about-img {
  width: 100%;
  max-width: 380px;
  border-radius: var(--radius-xl);
  object-fit: cover;
  border: 2px solid var(--clr-border);
  box-shadow: var(--shadow-lg);
  filter: grayscale(8%);
}
.about-img-decoration {
  position: absolute;
  inset: -12px;
  border: 2px dashed rgba(99,102,241,0.3);
  border-radius: calc(var(--radius-xl) + 12px);
  pointer-events: none;
  animation: rotate-ring 30s linear infinite;
}
.about-experience-badge {
  position: absolute;
  bottom: 1.5rem;
  right: -1rem;
  background: var(--gradient-main);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  text-align: center;
  box-shadow: 0 8px 24px rgba(99,102,241,0.4);
}
.exp-number { font-family: var(--font-head); font-size: 1.6rem; font-weight: 800; color: #fff; }
.exp-label { font-size: 0.72rem; color: rgba(255,255,255,0.8); }

.about-heading {
  font-family: var(--font-head);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 700;
  line-height: 1.3;
  color: #fff;
  margin-bottom: 1.25rem;
}

.about-text {
  color: var(--clr-text-muted);
  margin-bottom: 1rem;
  line-height: 1.8;
}
.about-text strong { color: var(--clr-text); }

.about-details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin: 1.75rem 0;
}
.detail-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--clr-text-muted);
}
.detail-item svg { color: var(--clr-primary); flex-shrink: 0; }
.detail-item strong { color: var(--clr-text); }

.about-cta { display: flex; gap: 1rem; flex-wrap: wrap; }

/* ---------- SKILLS ---------- */
.skills-section {
  background: var(--clr-bg);
  overflow: hidden;
}
.skills-bg-glow {
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(99,102,241,0.07) 0%, transparent 70%);
  top: 50%; left: 50%;
  transform: translate(-50%,-50%);
  pointer-events: none;
}

.skills-tabs {
  display: flex;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}
.skill-tab {
  padding: 0.5rem 1.25rem;
  border-radius: 2rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--clr-text-muted);
  background: transparent;
  border: 1.5px solid var(--clr-border);
  transition: var(--transition);
  cursor: pointer;
}
.skill-tab.active, .skill-tab:hover {
  background: var(--gradient-main);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(99,102,241,0.3);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.25rem;
}

.skill-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
  transition: var(--transition);
  cursor: default;
}
.skill-card:hover {
  border-color: var(--clr-border-glow);
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(99,102,241,0.2);
  background: var(--clr-surface-2);
}
.skill-card.hidden { display: none; }

.skill-icon {
  width: 60px; height: 60px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.skill-icon img { width: 36px; height: 36px; object-fit: contain; }

.skill-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--clr-text);
}

.skill-level {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--clr-text-muted);
}
.skill-bar {
  flex: 1;
  height: 4px;
  background: var(--clr-surface-2);
  border-radius: 2px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: 0;
  background: var(--gradient-main);
  border-radius: 2px;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}
.skill-card.visible .skill-fill { width: var(--pct); }

/* ---------- PROJECTS ---------- */
.projects-section { background: var(--clr-bg-2); }

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.project-card.featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
}
.project-card.featured .project-img { min-height: 260px; }

.project-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}
.project-card:hover {
  border-color: var(--clr-border-glow);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), 0 0 30px rgba(99,102,241,0.15);
}

.project-img-wrapper { position: relative; overflow: hidden; }
.project-img {
  min-height: 180px;
  position: relative;
  display: flex;
  align-items: flex-end;
  padding: 1rem;
}
.project-img-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(255,255,255,0.06) 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.project-label {
  position: relative;
  z-index: 1;
  font-size: 0.78rem;
  font-weight: 600;
  background: rgba(0,0,0,0.35);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.1);
  padding: 0.3rem 0.75rem;
  border-radius: 2rem;
  color: #fff;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(5,8,22,0.85);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  opacity: 0;
  transition: opacity 0.35s;
}
.project-img-wrapper:hover .project-overlay { opacity: 1; }

.proj-link {
  padding: 0.55rem 1.25rem;
  border-radius: 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--gradient-main);
  color: #fff;
  transition: transform 0.2s;
}
.proj-link.outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.3);
}
.proj-link:hover { transform: scale(1.05); }

.project-body { padding: 1.5rem; }

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}
.ptag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: 2rem;
  background: rgba(99,102,241,0.12);
  color: var(--clr-primary-l);
  border: 1px solid rgba(99,102,241,0.25);
}

.project-title {
  font-family: var(--font-head);
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.6rem;
}

.project-desc {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

.project-metrics {
  display: flex;
  gap: 1.5rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--clr-border);
}
.metric { text-align: center; }
.metric-val { font-family: var(--font-head); font-size: 1.25rem; font-weight: 800; color: var(--clr-primary-l); display: block; }
.metric-label { font-size: 0.72rem; color: var(--clr-text-muted); }

/* ---------- EDUCATION ---------- */
.education-section {
  background: var(--clr-bg);
  overflow: hidden;
}
.edu-bg-glow {
  position: absolute;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(6,182,212,0.06) 0%, transparent 70%);
  top: 50%; right: -200px;
  transform: translateY(-50%);
  pointer-events: none;
}

.edu-timeline {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 800px;
  margin: 0 auto;
}

.edu-card {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1.5rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: var(--transition);
}
.edu-card:hover {
  border-color: var(--clr-border-glow);
  box-shadow: 0 8px 32px rgba(99,102,241,0.15);
  transform: translateX(6px);
}

.edu-icon {
  width: 56px; height: 56px;
  background: rgba(99,102,241,0.1);
  border: 1.5px solid rgba(99,102,241,0.2);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.edu-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 0.6rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.edu-degree {
  font-family: var(--font-head);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}
.edu-institution {
  font-size: 0.85rem;
  color: var(--clr-primary-l);
  margin-top: 0.15rem;
}
.edu-badge {
  padding: 0.2rem 0.75rem;
  border-radius: 2rem;
  font-size: 0.72rem;
  font-weight: 600;
  background: rgba(6,182,212,0.12);
  color: var(--clr-accent);
  border: 1px solid rgba(6,182,212,0.25);
}

.edu-description {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.edu-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.edu-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.65rem;
  border-radius: 2rem;
  background: rgba(167,139,250,0.08);
  color: var(--clr-accent-2);
  border: 1px solid rgba(167,139,250,0.2);
}

/* ---------- CONTACT ---------- */
.contact-section { background: var(--clr-bg-2); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.contact-heading {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.75rem;
}
.contact-text {
  color: var(--clr-text-muted);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.contact-cards { display: flex; flex-direction: column; gap: 0.9rem; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  transition: var(--transition);
  cursor: pointer;
}
.contact-card:hover {
  border-color: var(--clr-border-glow);
  background: var(--clr-surface-2);
  transform: translateX(6px);
}
.cc-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(99,102,241,0.12);
  border: 1px solid rgba(99,102,241,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-primary-l);
  flex-shrink: 0;
}
.cc-icon.linkedin { background: rgba(10,102,194,0.12); border-color: rgba(10,102,194,0.25); color: #0a66c2; }
.cc-icon.github { background: rgba(255,255,255,0.07); border-color: rgba(255,255,255,0.1); color: #e0e0e0; }
.cc-title { font-size: 0.78rem; color: var(--clr-text-muted); }
.cc-value { font-size: 0.9rem; font-weight: 500; color: var(--clr-text); }

/* Contact Form */
.contact-form-wrapper { position: relative; }
.contact-form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

.form-group { display: flex; flex-direction: column; gap: 0.4rem; }
.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--clr-text-muted);
}
.form-group input,
.form-group textarea {
  background: var(--clr-bg);
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.75rem 1rem;
  color: var(--clr-text);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(99,102,241,0.15);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--clr-text-dim); }

.form-submit { width: 100%; justify-content: center; padding: 0.875rem; }

.form-success {
  display: none;
  position: absolute;
  inset: 0;
  background: var(--clr-surface);
  border: 1px solid rgba(6,182,212,0.25);
  border-radius: var(--radius-lg);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 0.5rem;
  text-align: center;
  padding: 2rem;
}
.form-success.show { display: flex; }
.success-icon { font-size: 2.5rem; }
.form-success h4 { font-size: 1.2rem; font-weight: 700; color: #fff; }
.form-success p { color: var(--clr-text-muted); }

/* ---------- FOOTER ---------- */
.footer {
  background: var(--clr-bg);
  border-top: 1px solid var(--clr-border);
  padding: 2.5rem 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
}
.footer-text {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
}
.footer-links {
  display: flex;
  gap: 1.5rem;
}
.footer-links a {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  transition: color 0.25s;
}
.footer-links a:hover { color: var(--clr-primary-l); }
.footer-copy { font-size: 0.78rem; color: var(--clr-text-dim); }

/* ---------- Back To Top ---------- */
.back-to-top {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  width: 44px; height: 44px;
  background: var(--gradient-main);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(99,102,241,0.4);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
}
.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(99,102,241,0.55); }

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero-image-wrapper { display: none; }
  .hero-description { margin: 0 auto 2rem; }
  .hero-actions, .hero-stats { justify-content: center; }
  .hero-badge { margin-left: auto; margin-right: auto; }

  .about-grid { grid-template-columns: 1fr; }
  .about-image-col { text-align: center; }
  .about-img { max-width: 300px; margin: 0 auto; }
  .about-details { grid-template-columns: 1fr; }

  .projects-grid { grid-template-columns: 1fr 1fr; }
  .project-card.featured { grid-column: auto; grid-template-columns: 1fr; }

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

@media (max-width: 768px) {
  .nav-links, .btn-nav { display: none; }
  .hamburger { display: flex; }
  /* theme-toggle stays visible always — no hide rule */
  .navbar { padding: 0 1.25rem; }

  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: var(--nav-h); left: 0; right: 0;
    background: rgba(5,8,22,0.97);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--clr-border);
    padding: 1.5rem;
    gap: 1.25rem;
    z-index: 999;
  }
  [data-theme='light'] .nav-links.open {
    background: rgba(240,244,255,0.97);
  }

  .hero { padding: 6rem 1.5rem 3rem; }
  .hero-stats { gap: 1rem; }
  .stat-number { font-size: 1.6rem; }

  .section { padding: 4rem 0; }
  .section-title { font-size: 1.75rem; }

  .projects-grid { grid-template-columns: 1fr; }
  .project-card.featured { grid-column: auto; }

  .skills-grid { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }

  .form-row { grid-template-columns: 1fr; }

  .edu-card { grid-template-columns: 1fr; gap: 1rem; }
  .edu-icon { width: 44px; height: 44px; font-size: 1.2rem; }

  .ring-1, .ring-2, .ring-3 { display: none; }
}

@media (max-width: 480px) {
  .hero-name { font-size: 2.5rem; }
  .hero-actions { flex-direction: column; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}