:root {
  --accent: #5eead4;
  --accent-rgb: 94, 234, 212;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 96px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  background-color: #0b0d10;
  background-image: radial-gradient(rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 24px 24px;
  color: #eef1f3;
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}
.mono { font-family: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace; }
h1, h2, h3 { font-family: "Space Grotesk", "Helvetica Neue", Arial, sans-serif; margin: 0; }
a { color: inherit; text-decoration: none; }
a:hover { color: #ffffff; }
section { position: relative; }
a:focus, button:focus { outline: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid rgba(255,255,255,0.9);
  outline-offset: 3px;
  border-radius: 2px;
}

.accent-text { color: var(--accent); }

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

.cursor-trail {
  position: fixed; top: 0; left: 0;
  border-radius: 50%;
  pointer-events: none;
  z-index: 4;
  opacity: 0;
  mix-blend-mode: screen;
  will-change: transform, opacity;
}
.cursor-trail--outer {
  width: 440px; height: 440px; margin: -220px 0 0 -220px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.14) 0%, rgba(var(--accent-rgb), 0.05) 45%, rgba(var(--accent-rgb), 0) 72%);
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.7s ease;
}
.cursor-trail--core {
  width: 130px; height: 130px; margin: -65px 0 0 -65px;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.4) 0%, rgba(var(--accent-rgb), 0) 70%);
  transition: transform 0.16s ease-out, opacity 0.45s ease;
}
@media (hover: none), (prefers-reduced-motion: reduce) {
  .cursor-trail { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  .project-card, .stack-chip, .social-row a, .btn-primary, .timeline-item, .fact-card { transition: none; }
}

.glass {
  background: rgba(255,255,255,0.045);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border: 1px solid rgba(255,255,255,0.09);
}

.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px clamp(24px, 4vw, 64px);
  background: rgba(11,13,16,0.55);
  backdrop-filter: blur(14px) saturate(160%);
  -webkit-backdrop-filter: blur(14px) saturate(160%);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.nav-logo { display: flex; align-items: center; gap: 8px; font-size: 15px; letter-spacing: 0.02em; }
.nav-dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; background: var(--accent); }
.nav-links { display: flex; gap: 28px; font-size: 13px; letter-spacing: 0.03em; color: #9aa3ab; }
.nav-links a { border-bottom: 2px solid transparent; padding-bottom: 4px; transition: color 0.2s ease, border-color 0.2s ease; }
.nav-links a.active { color: #ffffff; border-color: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px; height: 32px;
  padding: 0; background: none; border: none; cursor: pointer;
  flex-shrink: 0;
}
.nav-toggle span { display: block; width: 100%; height: 2px; background: #eef1f3; transition: transform 0.2s ease, opacity 0.2s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero {
  min-height: max(640px, 100svh);
  padding-top: 96px;
  display: flex; align-items: center;
  overflow: hidden;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.hero-canvas { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; opacity: 0.95; }
.hero-glow {
  position: absolute; top: 50%; right: 6%; width: min(56vw, 760px); height: min(56vw, 760px);
  transform: translateY(-50%); border-radius: 50%; filter: blur(80px);
  pointer-events: none; z-index: 0;
  background: radial-gradient(circle, rgba(var(--accent-rgb), 0.2) 0%, rgba(var(--accent-rgb), 0) 70%);
}
.hero-inner { position: relative; z-index: 1; padding: 0 clamp(24px, 5vw, 64px); max-width: min(820px, 58vw); }
.eyebrow { font-size: 13px; letter-spacing: 0.14em; text-transform: uppercase; color: #7c868e; margin-bottom: 20px; display: block; }
.hero-title { font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: 1.08; font-weight: 600; letter-spacing: -0.01em; }
.hero-sub { margin-top: 22px; font-size: 17px; line-height: 1.6; color: #aab3bb; max-width: 560px; }
.hero-actions { margin-top: 36px; display: flex; align-items: center; gap: 28px; }
.btn-primary {
  padding: 13px 26px; border-radius: 2px; font-size: 14px; font-weight: 500;
  background: #eef1f3; color: #0b0d10; display: inline-block;
}
.btn-primary:hover { background: #ffffff; color: #0b0d10; }
.link-secondary { font-size: 14px; color: #cdd3d8; border-bottom: 1px solid rgba(255,255,255,0.25); padding-bottom: 2px; }

.hero-stats { display: flex; gap: 16px; margin-top: 48px; flex-wrap: wrap; }
.stat-pill { padding: 14px 22px; border-radius: 10px; display: flex; flex-direction: column; gap: 4px; min-width: 128px; }
.stat-num { font-size: 22px; font-weight: 600; }
.stat-label { font-size: 11px; color: #8b939b; text-transform: uppercase; letter-spacing: 0.06em; }

.section-inner { padding: 120px clamp(24px, 5vw, 64px); max-width: min(1600px, 92vw); margin: 0 auto; }
.section-head { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 56px; flex-wrap: wrap; gap: 12px; }
.section-num { font-size: 13px; color: #6b747c; }
.section-title { font-size: 30px; font-weight: 600; }
.border-b { border-bottom: 1px solid rgba(255,255,255,0.06); }

.about-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 64px; align-items: start; }
.about-text p { margin: 0 0 18px; line-height: 1.75; color: #c3c9cf; font-size: 16px; }
.about-text p:last-child { margin-bottom: 0; }
.about-facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.fact-card { padding: 20px; border-radius: 12px; display: flex; flex-direction: column; gap: 6px; transition: transform 0.2s ease; }
.fact-card:hover { transform: translateY(-2px); }
.fact-label { font-size: 11px; color: #8b939b; text-transform: uppercase; letter-spacing: 0.05em; }
.fact-value { font-size: 16px; font-weight: 500; }

.timeline { position: relative; display: flex; flex-direction: column; max-width: 760px; }
.timeline::before { content: ''; position: absolute; left: 7px; top: 6px; bottom: 10px; width: 1px; background: rgba(255,255,255,0.12); }
.timeline-item { position: relative; padding: 0 0 48px 40px; transition: transform 0.2s ease; }
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item:hover { transform: translateX(4px); }
.timeline-dot { position: absolute; left: 0; top: 4px; width: 15px; height: 15px; border-radius: 50%; border: 2px solid var(--accent); background: #0b0d10; }
.timeline-date { font-size: 12px; color: #8b939b; margin-bottom: 6px; }
.timeline-role { font-size: 18px; font-weight: 600; }
.timeline-company { font-size: 14px; color: #9aa3ab; margin-bottom: 10px; }
.timeline-desc { font-size: 14px; line-height: 1.65; color: #9aa3ab; max-width: 620px; }

.featured-project { border-radius: 14px; padding: 40px; display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; margin-bottom: 20px; }
.featured-visual {
  position: relative;
  aspect-ratio: 16/10; border-radius: 10px; border: 1px solid rgba(255,255,255,0.1);
  background-image: repeating-linear-gradient(135deg, rgba(255,255,255,0.03) 0px, rgba(255,255,255,0.03) 1px, transparent 1px, transparent 14px);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.featured-visual img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(0.8) brightness(0.8); transition: filter 0.35s ease; }
.featured-visual::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,13,16,0.2), rgba(11,13,16,0.55));
  transition: opacity 0.35s ease;
}
.featured-project:hover .featured-visual img { filter: saturate(1) brightness(1); }
.featured-project:hover .featured-visual::after { opacity: 0.45; }
.featured-visual span { font-size: 12px; color: #6b747c; letter-spacing: 0.05em; }
.featured-badge { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; padding: 5px 12px; border-radius: 20px; display: inline-block; margin-bottom: 18px; }
.featured-title { font-size: 26px; font-weight: 600; margin-bottom: 14px; }
.featured-desc { font-size: 15px; line-height: 1.65; color: #9aa3ab; margin-bottom: 20px; }

#featured-project-slot { transition: opacity 0.18s ease; }

.projects-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.project-card { padding: 32px 28px; display: flex; flex-direction: column; gap: 16px; border-radius: 10px; transition: background 0.2s ease, transform 0.2s ease; cursor: pointer; will-change: transform; }
.project-card:hover { background: rgba(255,255,255,0.075); transform: translateY(-3px); }
.project-card:focus { outline: none; }
.project-card:focus-visible { outline: 2px solid rgba(255,255,255,0.9); outline-offset: 2px; }
.project-thumb { position: relative; aspect-ratio: 16/10; border-radius: 8px; overflow: hidden; margin: -8px -4px 4px; }
.project-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; filter: saturate(0.8) brightness(0.8); transition: filter 0.35s ease; }
.project-thumb::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(11,13,16,0.2), rgba(11,13,16,0.55));
  transition: opacity 0.35s ease;
}
.project-card:hover .project-thumb img { filter: saturate(1) brightness(1); }
.project-card:hover .project-thumb::after { opacity: 0.45; }
.project-index { font-size: 13px; color: #6b747c; }
.project-title { font-size: 19px; font-weight: 600; }
.project-desc { font-size: 14px; line-height: 1.6; color: #9aa3ab; flex-grow: 1; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.project-tag { font-size: 11px; padding: 4px 9px; border: 1px solid rgba(255,255,255,0.12); color: #9aa3ab; border-radius: 2px; }
.project-links { display: flex; gap: 20px; font-size: 13px; color: #cdd3d8; margin-top: 4px; }

.stack-groups { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.stack-group {
  padding: 26px; border-radius: 12px;
  opacity: 0; transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s cubic-bezier(0.22, 1, 0.36, 1), border-color 0.3s ease, box-shadow 0.3s ease;
}
.stack-group.is-visible { opacity: 1; transform: translateY(0); }
.stack-group:hover { border-color: rgba(var(--accent-rgb), 0.35); box-shadow: 0 0 0 1px rgba(var(--accent-rgb), 0.12), 0 20px 40px -24px rgba(var(--accent-rgb), 0.35); }
.stack-group-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; color: #8b939b; margin-bottom: 18px; }
.stack-list { display: flex; flex-wrap: wrap; gap: 10px; }
.stack-chip {
  position: relative;
  font-size: 13px; padding: 9px 16px; border-radius: 8px; color: #cdd3d8;
  border: 1px solid rgba(255,255,255,0.07); background: rgba(255,255,255,0.02);
  overflow: hidden;
  transition: color 0.2s ease, transform 0.2s ease, border-color 0.3s ease, background 0.3s ease;
}
.stack-chip::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(var(--accent-rgb), 0.4) 50%, transparent 70%);
  transform: translateX(-130%);
  transition: transform 0.55s ease;
  pointer-events: none;
}
.stack-chip:hover {
  color: #ffffff; transform: translateY(-2px);
  border-color: rgba(var(--accent-rgb), 0.45);
  background: rgba(var(--accent-rgb), 0.08);
}
.stack-chip:hover::before { transform: translateX(130%); }
@media (prefers-reduced-motion: reduce) {
  .stack-group { opacity: 1; transform: none; transition: none; }
  .stack-chip::before { display: none; }
}

.testimonials-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.testimonial-card { padding: 28px; border-radius: 12px; display: flex; flex-direction: column; gap: 18px; }
.testimonial-quote { font-size: 15px; line-height: 1.65; color: #dbe0e4; flex-grow: 1; }
.testimonial-person { display: flex; align-items: center; gap: 12px; }
.avatar-circle { width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; flex-shrink: 0; }
.testimonial-name { font-size: 14px; font-weight: 600; }
.testimonial-role { font-size: 12px; color: #8b939b; }

.contact-inner { padding: 120px clamp(24px, 5vw, 64px) 64px; max-width: min(1600px, 92vw); margin: 0 auto; display: flex; flex-direction: column; gap: 40px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-title { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 600; max-width: 640px; line-height: 1.15; }
.contact-lead { margin-top: 16px; font-size: 15px; color: #9aa3ab; }
.contact-email { font-size: 16px; margin-top: 12px; display: inline-block; border-bottom: 1px solid rgba(255,255,255,0.25); padding-bottom: 3px; }
.social-row { display: flex; gap: 22px; margin-top: 28px; }
.social-row a { width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; transition: border-color 0.2s ease, transform 0.2s ease, background 0.2s ease; border-color: var(--accent); }
.social-row a:hover { background: rgba(255,255,255,0.09); transform: translateY(-2px); }

.contact-form { padding: 32px; border-radius: 14px; display: flex; flex-direction: column; gap: 18px; }
.form-field { display: flex; flex-direction: column; gap: 8px; }
.form-field label { font-size: 12px; text-transform: uppercase; letter-spacing: 0.06em; color: #8b939b; }
.form-field input, .form-field textarea {
  font: inherit; color: #eef1f3; background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.1); border-radius: 8px; padding: 12px 14px;
  transition: border-color 0.2s ease, background 0.2s ease;
  resize: vertical;
}
.form-field input:focus, .form-field textarea:focus {
  outline: none; border-color: rgba(var(--accent-rgb), 0.6); background: rgba(255,255,255,0.05);
}
.form-field input::placeholder, .form-field textarea::placeholder { color: #6b747c; }
.form-error { font-size: 12px; color: #ff8a8a; }
.form-success { padding: 12px 16px; border-radius: 8px; background: rgba(var(--accent-rgb), 0.12); color: var(--accent); font-size: 14px; }
.form-banner-error { padding: 12px 16px; border-radius: 8px; background: rgba(255,138,138,0.12); color: #ff8a8a; font-size: 14px; }
.contact-form .btn-primary { border: none; cursor: pointer; align-self: flex-start; }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.footer-line { display: flex; justify-content: space-between; align-items: center; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.06); font-size: 12px; color: #6b747c; flex-wrap: wrap; gap: 12px; }

@media (max-width: 860px) {
  .nav { padding: 14px 20px; }
  .nav-links {
    display: none;
    position: absolute; top: 100%; left: 0; right: 0;
    flex-direction: column; gap: 0;
    background: rgba(11,13,16,0.97);
    backdrop-filter: blur(14px) saturate(160%);
    -webkit-backdrop-filter: blur(14px) saturate(160%);
    border-bottom: 1px solid rgba(255,255,255,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 16px 20px; border-bottom: 1px solid rgba(255,255,255,0.06); }
  .nav-links a.active { background: rgba(255,255,255,0.04); }
  .nav-toggle { display: flex; }

  .hero {
    height: auto; min-height: unset;
    flex-direction: column; align-items: stretch;
    padding: 88px 0 40px;
  }
  .hero-glow { display: none; }
  .hero-inner {
    position: relative; order: 1;
    max-width: 100%; width: 100%;
    padding: 0 20px;
  }
  .hero-canvas {
    position: relative; inset: auto; order: 2;
    width: 100%; height: 260px;
    margin-top: 40px;
    opacity: 0.9;
  }
  .hero-sub { max-width: 100%; }
  .hero-stats { margin-top: 36px; }

  .section-inner { padding: 84px 24px; }
  .contact-inner { padding: 84px 24px 40px; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-form { padding: 24px; }
  .about-facts { grid-template-columns: 1fr 1fr; }
  .featured-project { grid-template-columns: 1fr; padding: 24px; }
  .projects-grid { grid-template-columns: 1fr; }
  .stack-groups { grid-template-columns: 1fr; }
  .testimonials-grid { grid-template-columns: 1fr; }
}