/* ========================
   SCROLL PROGRESS BAR
======================== */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--purple));
  z-index: 2000;
  transition: width 0.1s linear;
  box-shadow: 0 0 10px var(--blue);
}

/* ========================
   ROOT & TOKENS
======================== */
:root {
  --bg:        #070b14;
  --bg2:       #0d1120;
  --glass:     rgba(255,255,255,0.04);
  --glass-b:   rgba(255,255,255,0.08);
  --border:    rgba(255,255,255,0.07);
  --blue:      #4d8fff;
  --blue-dark: #2563eb;
  --blue-glow: rgba(77,143,255,0.25);
  --cyan:      #00d4ff;
  --purple:    #7c3aed;
  --green:     #22c55e;
  --yellow:    #f59e0b;
  --orange:    #f97316;
  --red:       #ef4444;
  --gray:      #94a3b8;
  --text:      #e2e8f0;
  --text-muted:#64748b;
  --neu-s1:    -6px -6px 14px rgba(255,255,255,0.04);
  --neu-s2:     6px  6px 14px rgba(0,0,0,0.5);
  --radius:    16px;
  --radius-sm: 10px;
  --transition:0.3s ease;
}

/* ========================
   RESET & BASE
======================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  font-family: 'Outfit', sans-serif;
  background: var(--bg);
  color: var(--text);
  overflow-x: hidden;
  line-height: 1.7;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* ========================
   BACKGROUND ORBS
======================== */
.bg-orbs { position: fixed; inset: 0; pointer-events: none; z-index: 0; overflow: hidden; }
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.18;
  animation: orb-float 12s ease-in-out infinite;
}
.orb-1 {
  width: 600px; height: 600px;
  background: radial-gradient(circle, #2563eb, transparent 70%);
  top: -150px; left: -150px;
  animation-delay: 0s;
}
.orb-2 {
  width: 450px; height: 450px;
  background: radial-gradient(circle, #7c3aed, transparent 70%);
  top: 40%; right: -100px;
  animation-delay: -4s;
}
.orb-3 {
  width: 350px; height: 350px;
  background: radial-gradient(circle, #00d4ff, transparent 70%);
  bottom: 5%; left: 30%;
  animation-delay: -8s;
}
@keyframes orb-float {
  0%,100% { transform: translateY(0) scale(1); }
  50%      { transform: translateY(-30px) scale(1.05); }
}

/* ========================
   PARTICLES CANVAS
======================== */
#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* ========================
   GLASS CARD
======================== */
.glass-card {
  background: var(--glass);
  border: 1px solid var(--border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: var(--radius);
  box-shadow: var(--neu-s1), var(--neu-s2), 0 0 0 1px rgba(255,255,255,0.03);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(77,143,255,0.2);
  box-shadow: var(--neu-s1), var(--neu-s2), 0 0 24px var(--blue-glow);
}

/* ========================
   NAVBAR
======================== */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 18px 0;
  transition: background var(--transition), box-shadow var(--transition);
}
.navbar.scrolled {
  background: rgba(7,11,20,0.85);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 var(--border);
  padding: 12px 0;
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-size: 1.4rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: #fff;
}
.logo-bracket { color: var(--blue); }
.nav-links {
  display: flex;
  gap: 2.5rem;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray);
  position: relative;
  transition: color var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--blue);
  border-radius: 2px;
  transition: width var(--transition);
}
.nav-link:hover, .nav-link.active { color: #fff; }
.nav-link:hover::after, .nav-link.active::after { width: 100%; }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

/* ========================
   GRADIENT TEXT
======================== */
.gradient-text {
  background: linear-gradient(135deg, var(--blue) 0%, var(--cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========================
   BUTTONS
======================== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: 'Outfit', sans-serif;
  cursor: pointer;
  transition: all var(--transition);
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  color: #fff;
  box-shadow: 0 4px 20px rgba(77,143,255,0.35);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(77,143,255,0.5);
}
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
}
.btn-outline:hover {
  background: var(--glass-b);
  border-color: var(--blue);
  color: var(--blue);
  transform: translateY(-2px);
}

/* ========================
   HERO
======================== */
.hero {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
  padding: 120px 2rem 80px;
}
.hero-content { flex: 1; max-width: 580px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: 50px;
  padding: 0.4rem 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--green);
  margin-bottom: 1.5rem;
}
.badge-dot {
  width: 8px; height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity:1; transform: scale(1); }
  50%      { opacity:0.5; transform: scale(1.3); }
}
.hero-title {
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  margin-bottom: 1.2rem;
  color: #fff;
}
.hero-role {
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--blue);
  font-family: 'Outfit', monospace;
  margin-bottom: 1.4rem;
  min-height: 2rem;
}
.cursor-blink {
  display: inline-block;
  animation: blink 1s step-end infinite;
  color: var(--cyan);
}
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0} }
.hero-desc {
  font-size: 1.05rem;
  color: var(--gray);
  margin-bottom: 2rem;
  max-width: 480px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.hero-socials {
  display: flex;
  gap: 0.8rem;
}
.social-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--glass);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--gray);
  transition: all var(--transition);
  backdrop-filter: blur(10px);
}
.social-icon:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  transform: translateY(-3px);
  box-shadow: 0 6px 20px var(--blue-glow);
}

/* Hero Visual – 3D Orbital Sphere */
.hero-visual {
  position: relative;
  flex-shrink: 0;
  width: 480px;
  height: 480px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Sphere wrap */
.sphere-wrap {
  position: relative;
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Core glowing ball */
.sphere-core {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, #6eb4ff, #1a5fff 50%, #06102a);
  box-shadow:
    0 0 30px rgba(77,143,255,0.6),
    0 0 60px rgba(77,143,255,0.3),
    0 0 100px rgba(77,143,255,0.15),
    inset 0 0 30px rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  position: relative;
  animation: sphere-breathe 4s ease-in-out infinite;
}
@keyframes sphere-breathe {
  0%,100% { box-shadow: 0 0 30px rgba(77,143,255,0.6), 0 0 60px rgba(77,143,255,0.3), 0 0 100px rgba(77,143,255,0.15), inset 0 0 30px rgba(255,255,255,0.1); }
  50% { box-shadow: 0 0 50px rgba(77,143,255,0.9), 0 0 90px rgba(77,143,255,0.5), 0 0 140px rgba(77,143,255,0.2), inset 0 0 40px rgba(255,255,255,0.15); }
}
.sphere-code {
  font-size: 1.8rem;
  font-weight: 800;
  color: rgba(255,255,255,0.9);
  letter-spacing: -2px;
  text-shadow: 0 0 20px rgba(255,255,255,0.5);
  user-select: none;
}

/* Pulse rings */
.sphere-pulse {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  border: 1px solid rgba(77,143,255,0.4);
  animation: pulse-expand 3s ease-out infinite;
}
.sp2 { animation-delay: -1s; inset: -40px; border-color: rgba(77,143,255,0.2); }
.sp3 { animation-delay: -2s; inset: -65px; border-color: rgba(77,143,255,0.1); }
@keyframes pulse-expand {
  0%   { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(1.4); opacity: 0; }
}

/* Orbital rings – CSS 3D */
.orbit {
  position: absolute;
  inset: -90px;
  border-radius: 50%;
  border: 1px solid rgba(77,143,255,0.15);
  animation: orbit-spin 8s linear infinite;
  transform-style: preserve-3d;
}
.orbit-x { transform: rotateX(70deg);           animation-duration: 8s; }
.orbit-y { transform: rotateX(70deg) rotateZ(60deg); animation-duration: 10s; animation-direction: reverse; }
.orbit-z { transform: rotateX(70deg) rotateZ(120deg); animation-duration: 12s; }
.orbit-w { transform: rotateX(70deg) rotateZ(180deg); animation-duration: 7s; animation-direction: reverse; }
@keyframes orbit-spin {
  from { transform: rotateX(70deg) rotateZ(0deg); }
  to   { transform: rotateX(70deg) rotateZ(360deg); }
}
.orbit-y  { animation: orbit-spin-y 10s linear infinite reverse; }
.orbit-z  { animation: orbit-spin-z 12s linear infinite; }
.orbit-w  { animation: orbit-spin-w 7s linear infinite reverse; }
@keyframes orbit-spin-y { from { transform: rotateX(70deg) rotateZ(60deg);  } to { transform: rotateX(70deg) rotateZ(420deg);  } }
@keyframes orbit-spin-z { from { transform: rotateX(70deg) rotateZ(120deg); } to { transform: rotateX(70deg) rotateZ(480deg); } }
@keyframes orbit-spin-w { from { transform: rotateX(70deg) rotateZ(180deg); } to { transform: rotateX(70deg) rotateZ(-180deg); } }

/* Orbit dots (icons) */
.orbit-dot {
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
}
.od-php    { background: rgba(119,123,180,0.25); color: #a78bfa; }
.od-py     { background: rgba(245,158,11,0.2);  color: #fbbf24; }
.od-docker { background: rgba(0,212,255,0.15);  color: var(--cyan); }
.od-js     { background: rgba(245,158,11,0.2);  color: #f59e0b; }

/* Floating code cards */
.code-float {
  position: absolute;
  background: rgba(10,16,35,0.85);
  border: 1px solid rgba(77,143,255,0.18);
  border-radius: 12px;
  padding: 12px 16px;
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  line-height: 1.7;
  color: #94a3b8;
  backdrop-filter: blur(12px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.5);
  white-space: nowrap;
  z-index: 10;
}
.cf-1 { top: 20px;  left: -60px;  animation: cf-float 5s ease-in-out infinite; }
.cf-2 { bottom: 50px; left: -40px; animation: cf-float 6s ease-in-out infinite reverse; animation-delay: -1s; }
.cf-3 { bottom: 20px; right: -30px; animation: cf-float 4.5s ease-in-out infinite; animation-delay: -2s; }
@keyframes cf-float {
  0%,100% { transform: translateY(0); }
  50%      { transform: translateY(-12px); }
}
.cf-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
  display: inline-block;
  margin-right: 6px;
  animation: pulse-dot 2s infinite;
}
.cf-dot-green { background: var(--green); }
.cf-dot-cyan  { background: var(--cyan); }
.cf-kw  { color: #c084fc; }
.cf-var { color: #60a5fa; }
.cf-key { color: #94a3b8; }
.cf-str { color: #4ade80; }
.cf-cm  { color: #64748b; font-style: italic; }


/* ========================
   SECTIONS COMMON
======================== */
.section {
  position: relative;
  z-index: 1;
  padding: 100px 0;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }
.section-header { text-align: center; margin-bottom: 4rem; }
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--blue);
  font-family: 'Outfit', monospace;
  margin-bottom: 0.8rem;
  letter-spacing: 1px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -1px;
  color: #fff;
}
.section-subtitle {
  color: var(--gray);
  margin-top: 0.8rem;
  font-size: 1rem;
}

/* ========================
   ABOUT
======================== */
.about-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr) ;
  gap: 1.5rem;
}
.about-card { padding: 2rem; }
.about-icon-wrap {
  width: 54px; height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(77,143,255,0.15), rgba(0,212,255,0.08));
  border: 1px solid rgba(77,143,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--blue);
  margin-bottom: 1.2rem;
}
.about-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.8rem;
}
.about-card p { color: var(--gray); font-size: 0.93rem; line-height: 1.8; }
.about-stats {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 2rem;
  gap: 1rem;
}
.stat-item { text-align: center; }
.stat-num {
  display: block;
  font-size: 3rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--blue), var(--cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.4rem;
}
.stat-label { font-size: 0.82rem; color: var(--gray); line-height: 1.4; }
.stat-divider { width: 1px; height: 60px; background: var(--border); }

/* ========================
   SKILLS
======================== */
.skills {
  background: linear-gradient(180deg, transparent, rgba(77,143,255,0.03), transparent);
  padding-bottom: 80px;
}

/* Marquee wrapper – full viewport width, fade edges */
.skills-marquee-wrap {
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  padding: 1rem 5%;
  margin-top: 1rem;
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  mask-image:         linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

/* Each row is an infinite scroll strip */
.marquee-track {
  display: flex;
  gap: 1.2rem;
  width: max-content;
  will-change: transform;
}
.marquee-items {
  display: flex;
  gap: 1.2rem;
  flex-shrink: 0;
}

/* Directions */
.marquee-left  { animation: marquee-go-left  28s linear infinite; }
.marquee-right { animation: marquee-go-right 28s linear infinite; }

@keyframes marquee-go-left {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}
@keyframes marquee-go-right {
  0%   { transform: translateX(-50%); }
  100% { transform: translateX(0); }
}

/* Pause on hover */
.skills-marquee-wrap:hover .marquee-track {
  animation-play-state: paused;
}

/* Skill card in marquee: fixed width */
.skill-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.8rem 1rem 1.4rem;
  width: 150px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: transform 0.35s cubic-bezier(0.34,1.56,0.64,1),
              border-color 0.3s ease,
              box-shadow 0.3s ease,
              opacity 0.35s ease,
              width 0.35s ease,
              padding 0.35s ease,
              margin 0.35s ease;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}
.skill-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--card-glow, linear-gradient(135deg, rgba(77,143,255,0.08), transparent));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.skill-card:hover::before { opacity: 1; }
.skill-card:hover {
  transform: translateY(-8px) scale(1.04);
  border-color: var(--card-color, rgba(77,143,255,0.35));
  box-shadow: 0 0 0 1px rgba(255,255,255,0.04),
              0 16px 40px rgba(0,0,0,0.4),
              0 0 30px var(--card-glow-color, rgba(77,143,255,0.2));
}

/* Fixed width for marquee cards */
.skill-icon-wrap {
  position: relative;
  width: 68px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.2rem;
}
.skill-icon-bg {
  position: absolute;
  inset: 0;
  border-radius: 18px;
  background: var(--icon-bg, rgba(77,143,255,0.1));
  border: 1px solid var(--icon-border, rgba(77,143,255,0.2));
  transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1);
}
.skill-card:hover .skill-icon-bg {
  transform: scale(1.15) rotate(8deg);
  background: var(--icon-bg-hover, rgba(77,143,255,0.18));
  box-shadow: 0 0 20px var(--card-glow-color, rgba(77,143,255,0.25));
}
.skill-ico {
  position: relative;
  z-index: 1;
  font-size: 1.9rem;
  color: var(--icon-color, var(--blue));
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), color 0.3s ease;
}
.skill-card:hover .skill-ico {
  transform: scale(1.2) rotate(-5deg);
}

/* Skill name */
.skill-name {
  font-size: 0.88rem;
  font-weight: 700;
  color: #fff;
  text-align: center;
  line-height: 1.2;
}


/* --- Per-skill color theming --- */
/* Frontend – orange/red for HTML */
[id^="skill-html"]  { --icon-color:#ef6734; --icon-bg:rgba(239,103,52,0.1); --icon-border:rgba(239,103,52,0.2); --icon-bg-hover:rgba(239,103,52,0.18); --card-color:rgba(239,103,52,0.35); --card-glow:linear-gradient(135deg,rgba(239,103,52,0.08),transparent); --card-glow-color:rgba(239,103,52,0.2); }
/* CSS – blue */
[id^="skill-css"]   { --icon-color:#264de4; --icon-bg:rgba(38,77,228,0.12); --icon-border:rgba(38,77,228,0.25); --icon-bg-hover:rgba(38,77,228,0.2); --card-color:rgba(38,77,228,0.4); --card-glow:linear-gradient(135deg,rgba(38,77,228,0.08),transparent); --card-glow-color:rgba(38,77,228,0.2); }
/* JS – yellow */
[id^="skill-js"]    { --icon-color:#f7df1e; --icon-bg:rgba(247,223,30,0.1); --icon-border:rgba(247,223,30,0.2); --icon-bg-hover:rgba(247,223,30,0.18); --card-color:rgba(247,223,30,0.3); --card-glow:linear-gradient(135deg,rgba(247,223,30,0.08),transparent); --card-glow-color:rgba(247,223,30,0.18); }
/* Responsive – cyan */
[id^="skill-responsive"] { --icon-color:var(--cyan); --icon-bg:rgba(0,212,255,0.1); --icon-border:rgba(0,212,255,0.2); --icon-bg-hover:rgba(0,212,255,0.18); --card-color:rgba(0,212,255,0.3); --card-glow:linear-gradient(135deg,rgba(0,212,255,0.08),transparent); --card-glow-color:rgba(0,212,255,0.18); }
/* PHP – purple */
[id^="skill-php"]   { --icon-color:#8892bf; --icon-bg:rgba(136,146,191,0.12); --icon-border:rgba(136,146,191,0.25); --icon-bg-hover:rgba(136,146,191,0.2); --card-color:rgba(136,146,191,0.4); --card-glow:linear-gradient(135deg,rgba(136,146,191,0.08),transparent); --card-glow-color:rgba(136,146,191,0.22); }
/* Python – green */
[id^="skill-python"]{ --icon-color:#3fb950; --icon-bg:rgba(63,185,80,0.1); --icon-border:rgba(63,185,80,0.2); --icon-bg-hover:rgba(63,185,80,0.18); --card-color:rgba(63,185,80,0.35); --card-glow:linear-gradient(135deg,rgba(63,185,80,0.08),transparent); --card-glow-color:rgba(63,185,80,0.2); }
/* Flask – gray */
[id^="skill-flask"] { --icon-color:#94a3b8; --icon-bg:rgba(148,163,184,0.1); --icon-border:rgba(148,163,184,0.2); --icon-bg-hover:rgba(148,163,184,0.18); --card-color:rgba(148,163,184,0.3); --card-glow:linear-gradient(135deg,rgba(148,163,184,0.06),transparent); --card-glow-color:rgba(148,163,184,0.15); }
/* MySQL – orange */
[id^="skill-mysql"] { --icon-color:#f97316; --icon-bg:rgba(249,115,22,0.1); --icon-border:rgba(249,115,22,0.2); --icon-bg-hover:rgba(249,115,22,0.18); --card-color:rgba(249,115,22,0.35); --card-glow:linear-gradient(135deg,rgba(249,115,22,0.08),transparent); --card-glow-color:rgba(249,115,22,0.2); }
/* MVC – indigo */
[id^="skill-mvc"]   { --icon-color:#818cf8; --icon-bg:rgba(129,140,248,0.1); --icon-border:rgba(129,140,248,0.2); --icon-bg-hover:rgba(129,140,248,0.18); --card-color:rgba(129,140,248,0.35); --card-glow:linear-gradient(135deg,rgba(129,140,248,0.08),transparent); --card-glow-color:rgba(129,140,248,0.2); }
/* Docker – light blue */
[id^="skill-docker"]{ --icon-color:#2496ed; --icon-bg:rgba(36,150,237,0.1); --icon-border:rgba(36,150,237,0.2); --icon-bg-hover:rgba(36,150,237,0.18); --card-color:rgba(36,150,237,0.4); --card-glow:linear-gradient(135deg,rgba(36,150,237,0.08),transparent); --card-glow-color:rgba(36,150,237,0.22); }
/* Git – white */
[id^="skill-git"]   { --icon-color:#e2e8f0; --icon-bg:rgba(226,232,240,0.06); --icon-border:rgba(226,232,240,0.15); --icon-bg-hover:rgba(226,232,240,0.12); --card-color:rgba(226,232,240,0.25); --card-glow:linear-gradient(135deg,rgba(226,232,240,0.06),transparent); --card-glow-color:rgba(226,232,240,0.12); }
/* VS Code – blue */
[id^="skill-vscode"]{ --icon-color:#007acc; --icon-bg:rgba(0,122,204,0.1); --icon-border:rgba(0,122,204,0.2); --icon-bg-hover:rgba(0,122,204,0.18); --card-color:rgba(0,122,204,0.4); --card-glow:linear-gradient(135deg,rgba(0,122,204,0.08),transparent); --card-glow-color:rgba(0,122,204,0.22); }
/* XAMPP – orange-red */
[id^="skill-xampp"] { --icon-color:#fb923c; --icon-bg:rgba(251,146,60,0.1); --icon-border:rgba(251,146,60,0.2); --icon-bg-hover:rgba(251,146,60,0.18); --card-color:rgba(251,146,60,0.35); --card-glow:linear-gradient(135deg,rgba(251,146,60,0.08),transparent); --card-glow-color:rgba(251,146,60,0.2); }
/* Draw.io – violet */
[id^="skill-drawio"]{ --icon-color:#a855f7; --icon-bg:rgba(168,85,247,0.1); --icon-border:rgba(168,85,247,0.2); --icon-bg-hover:rgba(168,85,247,0.18); --card-color:rgba(168,85,247,0.35); --card-glow:linear-gradient(135deg,rgba(168,85,247,0.08),transparent); --card-glow-color:rgba(168,85,247,0.2); }

/* ========================
   PROJECTS
======================== */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  max-width: 900px;
  margin: 0 auto;
}
.project-card {
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}
.project-card:hover {
  transform: translateY(-6px) rotateX(2deg) rotateY(-1deg);
  border-color: rgba(77,143,255,0.3);
  box-shadow: var(--neu-s1), var(--neu-s2), 0 20px 50px rgba(77,143,255,0.15);
}
.project-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.2rem;
}
.project-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, rgba(77,143,255,0.15), rgba(0,212,255,0.08));
  border: 1px solid rgba(77,143,255,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--blue);
}
.proj-link-btn {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--glass);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  color: var(--gray);
  transition: all var(--transition);
}
.proj-link-btn:hover {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
}
.proj-link-disabled { cursor: default; opacity: 0.5; }
.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.7rem;
}
.project-desc {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.8;
  margin-bottom: 1.2rem;
}
.project-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1.5rem; }
.tag {
  padding: 4px 12px;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(77,143,255,0.1);
  border: 1px solid rgba(77,143,255,0.2);
  color: var(--blue);
}
.project-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--blue);
  transition: gap var(--transition), color var(--transition);
}
.project-cta:hover { gap: 0.9rem; color: var(--cyan); }
.project-cta-private { color: var(--text-muted); cursor: default; }

/* ========================
   CONTACT
======================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.contact-card {
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.6rem;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}
.contact-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(77,143,255,0.06), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.contact-card:hover::before { opacity: 1; }
.contact-icon-wrap {
  width: 62px; height: 62px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(77,143,255,0.15), rgba(77,143,255,0.05));
  border: 1px solid rgba(77,143,255,0.25);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--blue);
  margin-bottom: 0.4rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.contact-card:hover .contact-icon-wrap { transform: scale(1.1); box-shadow: 0 0 20px var(--blue-glow); }
.contact-icon-green { background: rgba(34,197,94,0.12); border-color: rgba(34,197,94,0.25); color: var(--green); }
.contact-card:hover .contact-icon-green { box-shadow: 0 0 20px rgba(34,197,94,0.25); }
.contact-icon-purple { background: rgba(124,58,237,0.12); border-color: rgba(124,58,237,0.25); color: #a78bfa; }
.contact-card:hover .contact-icon-purple { box-shadow: 0 0 20px rgba(124,58,237,0.25); }
.contact-card h3 { font-size: 1rem; font-weight: 700; color: #fff; }
.contact-card p  { font-size: 0.85rem; color: var(--gray); }
.contact-arrow {
  position: absolute;
  bottom: 1.4rem; right: 1.4rem;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--glass);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem;
  color: var(--blue);
  opacity: 0;
  transform: translateX(-6px);
  transition: all var(--transition);
}
.contact-card:hover .contact-arrow { opacity: 1; transform: translateX(0); }

/* ========================
   FOOTER
======================== */
.footer {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 2.5rem 2rem;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.87rem;
}
.footer-logo { font-weight: 800; color: var(--blue); margin-right: 4px; }
.footer-heart { color: #ef4444; animation: heartbeat 1.5s ease-in-out infinite; }
@keyframes heartbeat {
  0%,100% { transform: scale(1); }
  14%      { transform: scale(1.3); }
  28%      { transform: scale(1); }
  42%      { transform: scale(1.2); }
}
.footer-sub { color: var(--text-muted); font-size: 0.78rem; margin-top: 4px; opacity: 0.6; }

/* ========================
   SCROLL-IN ANIMATIONS
======================== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* ========================
   RESPONSIVE
======================== */
@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 900px) {
  .hero { flex-direction: column; text-align: center; padding-top: 100px; padding-bottom: 60px; }
  .hero-actions, .hero-socials { justify-content: center; }
  .hero-desc { margin: 0 auto 2rem; }
  .hero-visual { width: 340px; height: 340px; }
  .sphere-wrap { width: 160px; height: 160px; }
  .sphere-core { width: 90px; height: 90px; }
  .sphere-code { font-size: 1.4rem; }
  .orbit { inset: -70px; }
  .about-grid { grid-template-columns: 1fr; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: rgba(7,11,20,0.97); border-bottom: 1px solid var(--border); padding: 1.5rem 2rem; gap: 1rem; backdrop-filter: blur(20px); }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .hero-visual { width: 280px; height: 280px; }
  .sphere-wrap { width: 130px; height: 130px; }
  .sphere-core { width: 75px; height: 75px; }
  .sphere-code { font-size: 1.1rem; }
  .orbit { inset: -55px; }
  .code-float { display: none; }
  .about-stats { flex-direction: column; gap: 1.5rem; }
  .stat-divider { width: 60px; height: 1px; }
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
}