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

:root {
  --bg:         #0a0a0f;
  --bg-2:       #0f0f1a;
  --bg-3:       #14141f;
  --border:     rgba(255,255,255,0.07);
  --border-lg:  rgba(255,255,255,0.12);

  --text-1:     #f0f0f8;
  --text-2:     #a0a0b8;
  --text-3:     #6060780;

  --accent:     #7c3aed;
  --accent-2:   #a855f7;
  --accent-3:   #38bdf8;

  --grad:       linear-gradient(135deg, #7c3aed, #a855f7, #38bdf8);
  --grad-soft:  linear-gradient(135deg, rgba(124,58,237,0.15), rgba(56,189,248,0.08));

  --radius:     12px;
  --radius-lg:  20px;
  --radius-xl:  32px;

  --shadow-sm:  0 2px 8px rgba(0,0,0,0.4);
  --shadow:     0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg:  0 20px 60px rgba(0,0,0,0.6);

  --nav-h:      72px;
  --trans:      0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text-1);
  line-height: 1.6;
  overflow-x: hidden;
  overscroll-behavior: none;
}

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

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.gradient-text {
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

/* ============================================================
   SECTION HEADER
   ============================================================ */
.section-header { text-align: center; margin-bottom: 64px; }

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: rgba(168,85,247,0.1);
  border: 1px solid rgba(168,85,247,0.2);
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-sub {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 520px;
  margin: 0 auto;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--trans);
  white-space: nowrap;
}

.btn-primary {
  background: var(--grad);
  color: #fff;
  box-shadow: 0 4px 20px rgba(124,58,237,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(124,58,237,0.5);
}
.btn-primary:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: var(--text-1);
  border: 1px solid var(--border-lg);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.05);
  border-color: rgba(255,255,255,0.2);
  transform: translateY(-2px);
}

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

.btn svg { width: 18px; height: 18px; }

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s cubic-bezier(0.4,0,0.2,1),
              transform 0.7s cubic-bezier(0.4,0,0.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 1000;
  transition: background var(--trans), backdrop-filter var(--trans), box-shadow var(--trans);
}
.navbar.scrolled {
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  color: var(--text-1);
}
.nav-logo .accent { color: var(--accent-2); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-2);
  transition: color var(--trans), background var(--trans);
}
.nav-link:hover,
.nav-link.active {
  color: var(--text-1);
  background: rgba(255,255,255,0.06);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-1);
  border-radius: 2px;
  transition: all var(--trans);
}
.nav-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  pointer-events: none;
  animation: glow-drift 8s ease-in-out infinite;
}
.glow-1 {
  width: 600px; height: 600px;
  background: rgba(124,58,237,0.18);
  top: -100px; left: -100px;
}
.glow-2 {
  width: 500px; height: 500px;
  background: rgba(56,189,248,0.12);
  bottom: -100px; right: -100px;
  animation-delay: -4s;
}

@keyframes glow-drift {
  0%, 100% { transform: translate(0, 0); }
  50%       { transform: translate(30px, -20px); }
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 80px 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  width: 100%;
}

.hero-content { max-width: 580px; }

.hero-greeting {
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent-2);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-name {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.hero-title {
  font-size: 1.25rem;
  font-family: 'Fira Code', monospace;
  color: var(--text-2);
  margin-bottom: 20px;
  min-height: 2em;
}

.typing-wrapper { display: inline-flex; align-items: center; gap: 2px; }
.cursor {
  color: var(--accent-2);
  animation: blink 1s step-end infinite;
}
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-2);
  line-height: 1.75;
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 4px;
}
.stat-num::after { content: '+'; }
.stat-label { font-size: 0.8rem; color: var(--text-2); font-weight: 500; }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* Avatar / Visual */
.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  position: relative;
}

.avatar-wrapper {
  position: relative;
  width: 280px;
  height: 280px;
}

.avatar-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid transparent;
  animation: spin-slow linear infinite;
}
.ring-1 {
  inset: -16px;
  border-image: conic-gradient(var(--accent), var(--accent-3), var(--accent)) 1;
  border-radius: 50%;
  border: 1px dashed rgba(124,58,237,0.3);
  animation-duration: 20s;
}
.ring-2 {
  inset: -32px;
  border: 1px dashed rgba(56,189,248,0.2);
  animation-duration: 30s;
  animation-direction: reverse;
}
@keyframes spin-slow { to { transform: rotate(360deg); } }

.avatar-img-wrap {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid transparent;
  background: linear-gradient(var(--bg-3), var(--bg-3)) padding-box,
              var(--grad) border-box;
  position: relative;
}
.avatar-img { width: 100%; height: 100%; object-fit: cover; }
.avatar-fallback {
  display: none;
  width: 100%;
  height: 100%;
  background: var(--grad-soft);
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.avatar-badge {
  position: absolute;
  background: rgba(15,15,26,0.95);
  border: 1px solid var(--border-lg);
  backdrop-filter: blur(10px);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.8rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  box-shadow: var(--shadow);
}
.badge-1 { top: 10px; right: -40px; }
.badge-2 { bottom: 30px; left: -40px; }
.badge-2 span { color: #22c55e; }

.code-snippet {
  width: 100%;
  max-width: 360px;
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-family: 'Fira Code', monospace;
}
.code-header {
  background: var(--bg-2);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--border);
}
.dot {
  width: 11px; height: 11px;
  border-radius: 50%;
}
.dot.red    { background: #ff5f57; }
.dot.yellow { background: #febc2e; }
.dot.green  { background: #28c840; }
.code-filename {
  margin-left: 8px;
  font-size: 0.78rem;
  color: var(--text-2);
  font-family: 'Inter', sans-serif;
}
.code-body {
  padding: 20px;
  font-size: 0.85rem;
  line-height: 1.9;
  overflow-x: auto;
}
.code-body code { display: block; }
.kw  { color: #c792ea; }
.var { color: #82aaff; }
.str { color: #c3e88d; }
.bool{ color: #f78c6c; }

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  color: var(--text-2);
  animation: bounce 2s ease-in-out infinite;
}
.scroll-mouse {
  width: 24px; height: 38px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 6px;
}
.scroll-wheel {
  width: 4px; height: 8px;
  background: var(--accent-2);
  border-radius: 2px;
  animation: scroll-wheel 1.8s ease-in-out infinite;
}
@keyframes scroll-wheel { 0%, 100% { transform: translateY(0); opacity: 1; } 60% { transform: translateY(8px); opacity: 0.3; } }
@keyframes bounce { 0%, 100% { transform: translateX(-50%) translateY(0); } 50% { transform: translateX(-50%) translateY(-8px); } }

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

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}

.about-img-col { position: relative; }

.about-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: visible;
}
.about-img {
  width: 100%;
  border-radius: var(--radius-lg);
  aspect-ratio: 4/5;
  object-fit: cover;
  border: 1px solid var(--border);
}
.about-img-fallback {
  display: none;
  align-items: center;
  justify-content: center;
  aspect-ratio: 4/5;
  background: var(--grad-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.big-initial {
  font-size: 6rem;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.experience-card {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--bg-3);
  border: 1px solid var(--border-lg);
  border-radius: var(--radius);
  padding: 20px 24px;
  text-align: center;
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow-lg);
}
.exp-num {
  display: block;
  font-size: 2.5rem;
  font-weight: 900;
  background: var(--grad);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}
.exp-label { font-size: 0.75rem; color: var(--text-2); font-weight: 500; }

.about-lead {
  font-size: 1.2rem;
  font-weight: 500;
  line-height: 1.7;
  margin-bottom: 20px;
  color: var(--text-1);
}
.about-body {
  font-size: 1rem;
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 16px;
}

.about-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 28px 0;
}
.highlight-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-2);
}
.highlight-icon { font-size: 1.1rem; }

.about-cta {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.socials { display: flex; gap: 10px; }
.social-link {
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-2);
  transition: all var(--trans);
}
.social-link svg { width: 18px; height: 18px; }
.social-link:hover {
  color: var(--text-1);
  border-color: var(--accent-2);
  background: rgba(168,85,247,0.1);
  transform: translateY(-2px);
}

/* ============================================================
   SKILLS
   ============================================================ */
.skills-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
}
.tab-btn {
  padding: 10px 24px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-2);
  border: 1px solid var(--border);
  background: transparent;
  transition: all var(--trans);
}
.tab-btn:hover { color: var(--text-1); border-color: var(--border-lg); }
.tab-btn.active {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 20px rgba(124,58,237,0.3);
}

.skills-panel { display: none; }
.skills-panel.active { display: block; }

.skills-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.skill-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  transition: all var(--trans);
  transition-delay: var(--delay, 0s);
  text-align: center;
}
.skill-card:hover {
  border-color: var(--border-lg);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}
.skill-icon-wrap {
  width: 56px; height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.skill-icon-wrap img { width: 36px; height: 36px; object-fit: contain; }
.skill-letter {
  font-size: 0.7rem;
  font-weight: 800;
  color: var(--text-2);
}
.skill-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-1);
}
.skill-bar {
  width: 100%;
  height: 6px;
  background: rgba(255,255,255,0.06);
  border-radius: 3px;
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  background: var(--grad);
  border-radius: 3px;
  width: 0;
  transition: width 1.2s cubic-bezier(0.4,0,0.2,1);
}
.skill-fill.animated { width: var(--pct); }
.skill-pct {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-2);
  font-family: 'Fira Code', monospace;
}

/* Tools */
.tools-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 800px;
  margin: 0 auto;
}
.tool-tag {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-2);
  font-weight: 500;
  cursor: default;
  transition: all var(--trans);
}
.tool-tag.sm  { padding: 8px 16px; font-size: 0.85rem; }
.tool-tag.md  { padding: 10px 20px; font-size: 0.92rem; }
.tool-tag.lg  { padding: 12px 24px; font-size: 1rem; font-weight: 600; }
.tool-tag:hover {
  background: var(--grad-soft);
  border-color: rgba(168,85,247,0.3);
  color: var(--text-1);
  transform: scale(1.04);
}

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

.projects-filter {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}
.filter-btn {
  padding: 9px 22px;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-2);
  border: 1px solid var(--border);
  background: transparent;
  transition: all var(--trans);
}
.filter-btn:hover { color: var(--text-1); }
.filter-btn.active {
  background: var(--grad);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(124,58,237,0.3);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all var(--trans);
}
.project-card:hover {
  border-color: var(--border-lg);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.project-card.hidden {
  display: none;
}

.project-img-wrap {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
  background: var(--bg-2);
}
.project-img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s var(--trans);
}
.project-card:hover .project-img { transform: scale(1.06); }

.project-img-fallback {
  width: 100%; height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10,10,15,0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  opacity: 0;
  transition: opacity var(--trans);
  backdrop-filter: blur(4px);
}
.project-card:hover .project-overlay { opacity: 1; }

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  transition: all var(--trans);
}
.project-link svg { width: 15px; height: 15px; }
.project-link:hover {
  background: var(--accent);
  border-color: var(--accent);
}

.project-body { padding: 20px; }
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 12px;
}
.p-tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.2);
  color: var(--accent-2);
}

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-1);
}
.project-desc {
  font-size: 0.88rem;
  color: var(--text-2);
  line-height: 1.6;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 64px;
  align-items: start;
}

.contact-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}
.contact-body {
  color: var(--text-2);
  line-height: 1.8;
  margin-bottom: 32px;
  font-size: 0.98rem;
}

.contact-cards { display: flex; flex-direction: column; gap: 14px; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: all var(--trans);
}
.contact-card:hover {
  border-color: var(--border-lg);
  transform: translateX(4px);
}
.contact-card-icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: rgba(124,58,237,0.12);
  border: 1px solid rgba(124,58,237,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-2);
  flex-shrink: 0;
}
.contact-card-icon svg { width: 20px; height: 20px; }
.contact-card-label { display: block; font-size: 0.75rem; color: var(--text-2); margin-bottom: 2px; }
.contact-card-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-1);
  transition: color var(--trans);
}
.contact-card-value:hover { color: var(--accent-2); }

/* FORM */
.contact-form-wrap {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.contact-form { display: flex; flex-direction: column; gap: 20px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-2); }

.form-group input,
.form-group textarea {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  color: var(--text-1);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: border-color var(--trans), box-shadow var(--trans);
  outline: none;
  resize: none;
  width: 100%;
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-2); opacity: 0.5; }
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,58,237,0.12);
}

.form-success {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: var(--radius);
  color: #22c55e;
  font-size: 0.9rem;
  font-weight: 600;
}
.form-success.show { display: flex; }
.form-success svg { width: 18px; height: 18px; stroke: #22c55e; flex-shrink: 0; }

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--bg-2);
  border-top: 1px solid var(--border);
  padding: 40px 0 28px;
}
.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.footer-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 28px;
}
.footer-logo {
  font-size: 1.4rem;
  font-weight: 900;
  letter-spacing: -0.02em;
}
.footer-logo .accent { color: var(--accent-2); }

.footer-nav {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.footer-nav a {
  font-size: 0.88rem;
  color: var(--text-2);
  font-weight: 500;
  transition: color var(--trans);
}
.footer-nav a:hover { color: var(--text-1); }

.footer-socials { display: flex; gap: 10px; }

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: 0.83rem;
  color: var(--text-2);
}

/* ============================================================
   BACK TO TOP
   ============================================================ */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 46px; height: 46px;
  border-radius: 12px;
  background: var(--bg-3);
  border: 1px solid var(--border-lg);
  color: var(--text-1);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
  transition: all var(--trans);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  z-index: 999;
}
.back-to-top svg { width: 20px; height: 20px; }
.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: translateY(0);
}
.back-to-top:hover {
  background: var(--accent);
  border-color: var(--accent);
  transform: translateY(-3px);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  section { padding: 72px 0; }

  /* Navbar mobile */
  .nav-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: rgba(10,10,15,0.97);
    backdrop-filter: blur(20px);
    flex-direction: column;
    gap: 4px;
    padding: 20px;
    border-bottom: 1px solid var(--border);
    transform: translateY(-110%);
    transition: transform var(--trans);
    z-index: 999;
  }
  .nav-links.open { transform: translateY(0); }
  .nav-link { width: 100%; padding: 12px 16px; font-size: 1rem; }

  /* Hero */
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 60px 24px 48px;
    gap: 48px;
  }
  .hero-content { max-width: none; }
  .hero-greeting, .hero-btns { justify-content: center; }
  .hero-desc { margin: 0 auto 36px; }
  .hero-stats { justify-content: center; }
  .hero-visual { order: -1; }
  .avatar-wrapper { width: 220px; height: 220px; }
  .badge-1 { right: -20px; }
  .badge-2 { left: -20px; }

  /* About */
  .about-grid { grid-template-columns: 1fr; }
  .about-img-col { max-width: 360px; margin: 0 auto; width: 100%; }

  /* Skills */
  .skills-grid { grid-template-columns: repeat(2, 1fr); }

  /* Projects */
  .projects-grid { grid-template-columns: 1fr; }
  .projects-filter { gap: 6px; }

  /* Contact */
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form-wrap { padding: 24px; }
  .form-row { grid-template-columns: 1fr; }

  /* Footer */
  .footer-top { flex-direction: column; align-items: flex-start; gap: 16px; }
  .footer-bottom { flex-direction: column; gap: 4px; }
}

@media (max-width: 480px) {
  .skills-grid { grid-template-columns: 1fr 1fr; }
  .about-highlights { grid-template-columns: 1fr; }
  .hero-btns { flex-direction: column; align-items: center; }
  .hero-stats { gap: 16px; }
  .stat-num { font-size: 1.6rem; }
  .back-to-top { bottom: 20px; right: 20px; }
}
canvas{
  position: fixed;
  pointer-events: none;
  z-index: 999;
}