/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: #0e0c14;
  color: #e8e2f0;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: #14111f; }
::-webkit-scrollbar-thumb { background: #7e22ce; border-radius: 3px; }

/* ── CSS Variables ── */
:root {
  --bg-dark:    #0e0c14;
  --bg-mid:     #14111f;
  --bg-card:    #1c1829;
  --bg-border:  #2e2845;
  --purple:     #9333ea;
  --purple-dim: #7e22ce;
  --green:      #22c55e;
  --green-dim:  #16a34a;
  --red:        #ef4444;
  --red-dim:    #dc2626;
  --white:      #f4f0ff;
  --gray-light: #a1a1aa;
  --gray-mid:   #71717a;
  --grad-hero:  linear-gradient(135deg, #0e0c14 0%, #1a1030 50%, #0f0b1a 100%);
}

/* ── Utilities ── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 1.5rem; }
.section { padding: 6rem 0; }
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700; color: var(--white); margin-bottom: .5rem;
}
.section-line {
  width: 50px; height: 3px;
  background: linear-gradient(90deg, var(--purple), var(--green));
  border-radius: 2px; margin-bottom: 2.5rem;
}
.tag {
  display: inline-block; padding: .25rem .75rem; border-radius: 999px;
  font-size: .75rem; font-weight: 600; letter-spacing: .05em;
  text-transform: uppercase; color: var(--purple);
  border: 1px solid var(--purple-dim);
  background: rgba(147,51,234,.1); margin-bottom: 1rem;
}

/* ── Nav ── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 1rem 0;
  background: rgba(14,12,20,.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--bg-border);
  transition: padding .3s;
}
nav .inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1140px; margin: 0 auto; padding: 0 1.5rem;
}
.nav-logo {
  font-size: 1.4rem; font-weight: 800; letter-spacing: .12em;
  background: linear-gradient(90deg, var(--purple), var(--green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  text-decoration: none;
}
.nav-links { display: flex; gap: 2rem; list-style: none; }
.nav-links a {
  color: var(--gray-light); text-decoration: none; font-size: .9rem;
  font-weight: 500; transition: color .2s;
}
.nav-links a:hover { color: var(--purple); }
.nav-cta {
  padding: .45rem 1.2rem; border-radius: 6px;
  background: linear-gradient(135deg, var(--purple-dim), #5b21b6);
  color: #fff !important; font-weight: 600; font-size: .85rem;
  text-decoration: none; transition: opacity .2s, transform .2s;
}
.nav-cta:hover { opacity: .88; transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--gray-light); border-radius: 2px; transition: .3s; }
@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none; position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: var(--bg-mid); border-top: 1px solid var(--bg-border);
  }
  .nav-links.open { display: flex; }
  .nav-links li { border-bottom: 1px solid var(--bg-border); }
  .nav-links a { display: block; padding: .9rem 1.5rem; }
}

/* ── Hero ── */
#hero {
  min-height: 100vh;
  background: var(--grad-hero);
  display: flex; align-items: center;
  position: relative; overflow: hidden;
  padding-top: 5rem;
}
.hero-grid {
  position: absolute; inset: 0; opacity: .04;
  background-image:
    linear-gradient(rgba(147,51,234,.8) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147,51,234,.8) 1px, transparent 1px);
  background-size: 48px 48px;
}
.hero-glow {
  position: absolute; width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(147,51,234,.14) 0%, transparent 70%);
  top: -120px; right: -100px; pointer-events: none;
}
.hero-glow2 {
  position: absolute; width: 420px; height: 420px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34,197,94,.1) 0%, transparent 70%);
  bottom: 0; left: -80px; pointer-events: none;
}
.hero-glow3 {
  position: absolute; width: 300px; height: 300px; border-radius: 50%;
  background: radial-gradient(circle, rgba(239,68,68,.07) 0%, transparent 70%);
  top: 40%; left: 55%; pointer-events: none;
}
.hero-content { position: relative; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .8rem; font-weight: 600; letter-spacing: .1em;
  text-transform: uppercase; color: var(--purple);
  margin-bottom: 1.5rem;
}
.hero-eyebrow::before {
  content: ''; display: block; width: 28px; height: 2px;
  background: var(--purple); border-radius: 1px;
}
.hero-name {
  font-size: clamp(3.5rem, 8vw, 6rem);
  font-weight: 900; letter-spacing: .06em; line-height: 1;
  background: linear-gradient(135deg, #fff 20%, var(--purple) 55%, var(--green) 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  margin-bottom: 1.2rem;
}
.hero-tagline {
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  font-weight: 600; color: var(--white);
  margin-bottom: 1rem; line-height: 1.3;
}
.hero-sub {
  font-size: clamp(.9rem, 1.8vw, 1.05rem);
  color: var(--gray-light); max-width: 640px;
  margin-bottom: 2.5rem; line-height: 1.8;
}
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary {
  padding: .8rem 2rem; border-radius: 8px; font-weight: 700;
  font-size: .95rem; cursor: pointer; text-decoration: none;
  background: linear-gradient(135deg, var(--purple), #5b21b6);
  color: #fff; border: none; transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(147,51,234,.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 32px rgba(147,51,234,.45); }
.btn-secondary {
  padding: .8rem 2rem; border-radius: 8px; font-weight: 600;
  font-size: .95rem; text-decoration: none;
  border: 1.5px solid var(--bg-border);
  color: var(--gray-light); background: transparent;
  transition: border-color .2s, color .2s, transform .2s;
}
.btn-secondary:hover { border-color: var(--purple); color: var(--purple); transform: translateY(-2px); }
.btn-green {
  padding: .8rem 2rem; border-radius: 8px; font-weight: 700;
  font-size: .95rem; cursor: pointer; text-decoration: none;
  background: linear-gradient(135deg, var(--green-dim), #14532d);
  color: #fff; border: none; transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(34,197,94,.25);
}
.btn-green:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(34,197,94,.38); }
.hero-stats {
  display: flex; gap: 2.5rem; margin-top: 3.5rem;
  padding-top: 2.5rem; border-top: 1px solid var(--bg-border);
  flex-wrap: wrap;
}
.stat-item { display: flex; flex-direction: column; }
.stat-num {
  font-size: 2rem; font-weight: 800;
  background: linear-gradient(90deg, var(--purple), var(--green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-label { font-size: .8rem; color: var(--gray-light); margin-top: .25rem; letter-spacing: .04em; }

/* ── Scroll indicator ── */
.scroll-hint {
  position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: .4rem;
  color: var(--gray-mid); font-size: .75rem; letter-spacing: .1em;
  text-transform: uppercase; animation: bounce 2s infinite;
}
.scroll-hint svg { width: 20px; height: 20px; }
@keyframes bounce { 0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(6px)} }

/* ── About ── */
#about { background: var(--bg-mid); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; gap: 2.5rem; } }
.about-text p { color: var(--gray-light); margin-bottom: 1.2rem; font-size: 1.02rem; }
.about-text p strong { color: var(--white); }
.about-highlights { display: flex; flex-direction: column; gap: 1rem; }
.highlight-item {
  display: flex; align-items: flex-start; gap: 1rem;
  padding: 1.2rem 1.4rem; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--bg-border);
  transition: border-color .3s, transform .3s;
}
.highlight-item:hover { border-color: var(--purple-dim); transform: translateX(4px); }
.highlight-icon {
  flex-shrink: 0; width: 40px; height: 40px; border-radius: 8px;
  background: rgba(147,51,234,.12);
  display: flex; align-items: center; justify-content: center;
}
.highlight-icon svg { width: 20px; height: 20px; stroke: var(--purple); }
.highlight-item:nth-child(2) .highlight-icon { background: rgba(34,197,94,.1); }
.highlight-item:nth-child(2) .highlight-icon svg { stroke: var(--green); }
.highlight-item:nth-child(3) .highlight-icon { background: rgba(239,68,68,.1); }
.highlight-item:nth-child(3) .highlight-icon svg { stroke: var(--red); }
.highlight-item:nth-child(4) .highlight-icon { background: rgba(113,113,122,.12); }
.highlight-item:nth-child(4) .highlight-icon svg { stroke: var(--gray-light); }
.highlight-body { flex: 1; }
.highlight-title { color: var(--white); font-weight: 600; font-size: .95rem; margin-bottom: .2rem; }
.highlight-desc { color: var(--gray-light); font-size: .85rem; }

/* ── Experience ── */
#experience { background: var(--bg-dark); }
.exp-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; }
.exp-card {
  padding: 1.8rem 1.6rem; border-radius: 12px;
  background: var(--bg-card); border: 1px solid var(--bg-border);
  position: relative; overflow: hidden;
  transition: transform .3s, border-color .3s;
}
.exp-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: linear-gradient(90deg, var(--purple), var(--green));
  opacity: 0; transition: opacity .3s;
}
.exp-card:nth-child(2)::before { background: linear-gradient(90deg, var(--green), var(--purple)); }
.exp-card:nth-child(3)::before { background: linear-gradient(90deg, var(--red), var(--purple)); }
.exp-card:nth-child(4)::before { background: linear-gradient(90deg, var(--purple), var(--red)); }
.exp-card:hover { transform: translateY(-5px); border-color: var(--purple-dim); }
.exp-card:hover::before { opacity: 1; }
.exp-sector {
  font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--purple); margin-bottom: .8rem;
}
.exp-card:nth-child(2) .exp-sector { color: var(--green); }
.exp-card:nth-child(3) .exp-sector { color: var(--red); }
.exp-name { font-size: 1.1rem; font-weight: 700; color: var(--white); margin-bottom: .6rem; }
.exp-desc { font-size: .85rem; color: var(--gray-light); line-height: 1.6; }
.exp-icon { width: 36px; height: 36px; margin-bottom: 1rem; opacity: .75; }

/* ── Specialties ── */
#specialties { background: var(--bg-mid); }
.spec-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1.2rem; }
.spec-item {
  display: flex; align-items: center; gap: .9rem;
  padding: 1.1rem 1.3rem; border-radius: 10px;
  background: var(--bg-card); border: 1px solid var(--bg-border);
  transition: transform .25s, border-color .25s;
  cursor: default;
}
.spec-item:hover { transform: translateY(-3px); border-color: var(--purple-dim); }
.spec-item:nth-child(3n+2):hover { border-color: var(--green-dim); }
.spec-item:nth-child(3n+3):hover { border-color: var(--red-dim); }
.spec-icon {
  flex-shrink: 0; width: 38px; height: 38px; border-radius: 8px;
  background: rgba(147,51,234,.09);
  display: flex; align-items: center; justify-content: center;
}
.spec-item:nth-child(3n+2) .spec-icon { background: rgba(34,197,94,.09); }
.spec-item:nth-child(3n+3) .spec-icon { background: rgba(239,68,68,.09); }
.spec-icon svg { width: 18px; height: 18px; stroke: var(--purple); }
.spec-item:nth-child(3n+2) .spec-icon svg { stroke: var(--green); }
.spec-item:nth-child(3n+3) .spec-icon svg { stroke: var(--red); }
.spec-label { font-size: .88rem; font-weight: 600; color: var(--white); }

/* ── Projects ── */
#projects { background: var(--bg-dark); }
.proj-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.8rem; }
.proj-card {
  padding: 2rem 1.8rem; border-radius: 14px;
  background: var(--bg-card); border: 1px solid var(--bg-border);
  transition: transform .3s, box-shadow .3s, border-color .3s;
  position: relative; overflow: hidden;
}
.proj-card::after {
  content: ''; position: absolute; inset: 0; border-radius: 14px;
  background: linear-gradient(135deg, rgba(147,51,234,.05), transparent);
  opacity: 0; transition: opacity .3s;
}
.proj-card:hover { transform: translateY(-6px); border-color: var(--purple-dim); box-shadow: 0 12px 40px rgba(147,51,234,.12); }
.proj-card:hover::after { opacity: 1; }
.proj-icon-wrap {
  width: 52px; height: 52px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(147,51,234,.16), rgba(34,197,94,.08));
  border: 1px solid rgba(147,51,234,.22);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 1.4rem;
}
.proj-card:nth-child(2) .proj-icon-wrap {
  background: linear-gradient(135deg, rgba(34,197,94,.16), rgba(147,51,234,.08));
  border-color: rgba(34,197,94,.22);
}
.proj-card:nth-child(3) .proj-icon-wrap {
  background: linear-gradient(135deg, rgba(239,68,68,.16), rgba(147,51,234,.08));
  border-color: rgba(239,68,68,.22);
}
.proj-icon-wrap svg { width: 26px; height: 26px; stroke: var(--purple); }
.proj-card:nth-child(2) .proj-icon-wrap svg { stroke: var(--green); }
.proj-card:nth-child(3) .proj-icon-wrap svg { stroke: var(--red); }
.proj-title { font-size: 1.05rem; font-weight: 700; color: var(--white); margin-bottom: .6rem; }
.proj-desc { font-size: .88rem; color: var(--gray-light); line-height: 1.7; }
.proj-badge {
  display: inline-block; margin-top: 1rem;
  padding: .2rem .65rem; border-radius: 999px;
  font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  color: var(--green); border: 1px solid rgba(34,197,94,.4); background: rgba(34,197,94,.08);
}
.proj-badge.red    { color: var(--red);    border-color: rgba(239,68,68,.4);  background: rgba(239,68,68,.08); }
.proj-badge.purple { color: var(--purple); border-color: rgba(147,51,234,.4); background: rgba(147,51,234,.08); }

/* ── Philosophy ── */
#philosophy {
  background: linear-gradient(135deg, #110e1e 0%, #0c0917 50%, #130f1f 100%);
  position: relative; overflow: hidden;
}
#philosophy .bg-accent {
  position: absolute; width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(147,51,234,.09) 0%, transparent 70%);
  top: -150px; right: -100px; pointer-events: none;
}
#philosophy .bg-accent2 {
  position: absolute; width: 350px; height: 350px; border-radius: 50%;
  background: radial-gradient(circle, rgba(34,197,94,.07) 0%, transparent 70%);
  bottom: -80px; left: 5%; pointer-events: none;
}
.philosophy-inner {
  position: relative; z-index: 1;
  max-width: 820px; margin: 0 auto; text-align: center;
}
.quote-mark {
  font-size: 6rem; line-height: .7; font-family: Georgia, serif;
  color: var(--purple); opacity: .35; display: block; margin-bottom: .5rem;
}
.philosophy-quote {
  font-size: clamp(1.15rem, 2.5vw, 1.5rem);
  font-weight: 600; color: var(--white);
  line-height: 1.6; margin-bottom: 2rem;
}
.philosophy-quote em { color: var(--green); font-style: normal; }
.philosophy-sub { color: var(--gray-light); font-size: 1rem; max-width: 580px; margin: 0 auto; }
.pillars { display: flex; justify-content: center; gap: 1.5rem; margin-top: 3rem; flex-wrap: wrap; }
.pillar {
  display: flex; flex-direction: column; align-items: center; gap: .5rem;
  padding: 1.2rem 1.6rem; border-radius: 10px;
  background: rgba(28,24,41,.7); border: 1px solid var(--bg-border);
  min-width: 120px;
}
.pillar:nth-child(1) svg { stroke: var(--purple); }
.pillar:nth-child(2) svg { stroke: var(--red); }
.pillar:nth-child(3) svg { stroke: var(--green); }
.pillar:nth-child(4) svg { stroke: var(--purple); }
.pillar svg { width: 28px; height: 28px; }
.pillar span { font-size: .8rem; font-weight: 600; color: var(--gray-light); text-transform: uppercase; letter-spacing: .05em; }

/* ── Contact / CTA ── */
#contact { background: var(--bg-mid); }
.cta-box {
  background: linear-gradient(135deg, #1a1530 0%, #120f22 100%);
  border: 1px solid var(--bg-border);
  border-radius: 20px; padding: 4rem 3rem;
  display: grid; grid-template-columns: 1fr auto;
  align-items: center; gap: 3rem;
}
@media (max-width: 768px) { .cta-box { grid-template-columns: 1fr; padding: 2.5rem 1.8rem; } }
.cta-title { font-size: clamp(1.4rem, 3vw, 2rem); font-weight: 700; color: var(--white); margin-bottom: .8rem; }
.cta-text { color: var(--gray-light); max-width: 520px; font-size: .98rem; }
.cta-actions { display: flex; flex-direction: column; gap: .8rem; align-items: flex-start; }
@media (max-width: 768px) { .cta-actions { flex-direction: row; flex-wrap: wrap; } }
.contact-info { display: flex; flex-direction: column; gap: .6rem; margin-top: 1.5rem; }
.contact-item {
  display: flex; align-items: center; gap: .7rem;
  color: var(--gray-light); font-size: .9rem; text-decoration: none;
  transition: color .2s;
}
.contact-item:hover { color: var(--purple); }
.contact-item svg { width: 16px; height: 16px; stroke: var(--purple); flex-shrink: 0; }

/* ── Footer ── */
footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--bg-border);
  padding: 2rem 0; text-align: center;
}
.footer-logo {
  font-size: 1.2rem; font-weight: 800; letter-spacing: .12em;
  background: linear-gradient(90deg, var(--purple), var(--green));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  display: inline-block; margin-bottom: .5rem;
}
.footer-copy { font-size: .8rem; color: var(--gray-mid); }
.footer-links { display: flex; justify-content: center; gap: 1.5rem; margin-top: .8rem; }
.footer-links a { color: var(--gray-mid); text-decoration: none; font-size: .8rem; transition: color .2s; }
.footer-links a:hover { color: var(--purple); }

/* ── Fade-in ── */
.fade-in {
  opacity: 0; transform: translateY(24px);
  transition: opacity .6s ease, transform .6s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: .1s; }
.fade-in-delay-2 { transition-delay: .2s; }
.fade-in-delay-3 { transition-delay: .3s; }
.fade-in-delay-4 { transition-delay: .4s; }

/* ── Hero layout ── */
.hero-layout {
  display: grid;
  grid-template-columns: 1fr 460px;
  align-items: center;
  gap: 3rem;
  position: relative;
  z-index: 2;
}
@media (max-width: 1100px) { .hero-layout { grid-template-columns: 1fr 360px; } }
@media (max-width: 900px)  { .hero-layout { grid-template-columns: 1fr; } }
.hero-content { position: relative; }
.hero-visual { display: flex; align-items: center; justify-content: center; }
@media (max-width: 900px) { .hero-visual { display: none; } }
#tech-canvas {
  width: 100%; max-width: 460px; aspect-ratio: 1;
  display: block; opacity: .95;
}

/* ── Particles canvas ── */
#particles-canvas { position: absolute; inset: 0; z-index: 1; pointer-events: none; }