/* ==========================================================================
   CodingWerx — Design System
   ========================================================================== */

:root {
  /* Brand palette — dark, AI/software-forward */
  --bg-0: #08090d;
  --bg-1: #0d0f16;
  --bg-2: #12141d;
  --bg-3: #191c28;
  --border: #23273a;
  --border-soft: #1a1d2b;

  --text-0: #f5f6fa;
  --text-1: #c7cad9;
  --text-2: #8b8fa8;
  --text-3: #5a5e75;

  --accent-1: #6d5bf6;   /* violet */
  --accent-2: #22d3ee;   /* cyan */
  --accent-3: #a78bfa;   /* light violet */
  --gradient: linear-gradient(120deg, var(--accent-1), var(--accent-2));
  --gradient-soft: linear-gradient(120deg, rgba(109, 91, 246, 0.16), rgba(34, 211, 238, 0.10));

  --success: #34d399;
  --danger: #f87171;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  --shadow-1: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 12px 30px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 0 1px rgba(109, 91, 246, 0.25), 0 20px 60px -20px rgba(109, 91, 246, 0.45);

  --container: 1180px;
  --nav-h: 76px;

  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---------- Reset ---------- */
* , *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body, h1, h2, h3, h4, p, figure, blockquote, dl, dd { margin: 0; }
ul[class], ol[class] { list-style: none; margin: 0; padding: 0; }
img, picture, svg { display: block; max-width: 100%; }
input, button, textarea, select { font: inherit; color: inherit; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; }

body {
  background: var(--bg-0);
  color: var(--text-1);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Space Grotesk', 'Inter', sans-serif;
  color: var(--text-0);
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 600;
}

h1 { font-size: clamp(2.4rem, 5vw, 4.2rem); font-weight: 700; }
h2 { font-size: clamp(1.9rem, 3.4vw, 2.7rem); }
h3 { font-size: 1.3rem; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

section { position: relative; padding: 110px 0; }
@media (max-width: 768px) { section { padding: 72px 0; } }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  margin-bottom: 16px;
}
.eyebrow::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--gradient);
}

.section-head { max-width: 640px; margin-bottom: 56px; }
.section-head.center { max-width: 680px; margin-left: auto; margin-right: auto; text-align: center; }
.section-head p { margin-top: 14px; color: var(--text-2); font-size: 1.05rem; }

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), border-color 0.25s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--gradient);
  color: #06070a;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }

.btn-ghost {
  background: rgba(255, 255, 255, 0.02);
  border-color: var(--border);
  color: var(--text-0);
}
.btn-ghost:hover { border-color: var(--accent-1); background: rgba(109, 91, 246, 0.08); transform: translateY(-2px); }

.btn-block { width: 100%; }
.btn svg { width: 16px; height: 16px; }

/* ---------- Navbar ---------- */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(8, 9, 13, 0.55);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.navbar.is-scrolled { border-color: var(--border-soft); background: rgba(8, 9, 13, 0.85); }

.navbar .container { display: flex; align-items: center; justify-content: space-between; }

.brand { display: flex; align-items: center; gap: 10px; font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.15rem; color: var(--text-0); }
.brand .mark { width: 32px; height: 32px; }

.nav-links { display: flex; align-items: center; gap: 34px; }
.nav-links a { font-size: 0.92rem; font-weight: 500; color: var(--text-2); transition: color 0.2s var(--ease); position: relative; }
.nav-links a:hover, .nav-links a.active { color: var(--text-0); }
.nav-links a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -8px; height: 2px;
  background: var(--gradient); border-radius: 2px;
}

.nav-actions { display: flex; align-items: center; gap: 14px; }
.nav-toggle {
  display: none;
  width: 40px; height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  align-items: center; justify-content: center;
  flex-direction: column; gap: 4px;
}
.nav-toggle span { width: 18px; height: 2px; background: var(--text-0); border-radius: 2px; transition: transform 0.25s var(--ease), opacity 0.25s var(--ease); }
.nav-toggle.is-open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.is-open span:nth-child(2) { opacity: 0; }
.nav-toggle.is-open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 860px) {
  .nav-links {
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: var(--bg-1); border-bottom: 1px solid var(--border-soft);
    padding: 8px 24px 20px;
    transform: translateY(-8px);
    opacity: 0; visibility: hidden;
    transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
  }
  .nav-links.is-open { opacity: 1; visibility: visible; transform: translateY(0); }
  .nav-links a { width: 100%; padding: 14px 0; border-bottom: 1px solid var(--border-soft); }
  .nav-actions .btn-ghost { display: none; }
  .nav-toggle { display: inline-flex; }
}

/* ---------- Hero ---------- */
.hero {
  padding-top: calc(var(--nav-h) + 96px);
  padding-bottom: 90px;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: -220px; left: 50%;
  width: 900px; height: 620px;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(109, 91, 246, 0.35), rgba(34, 211, 238, 0.08), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}
.hero-inner { position: relative; text-align: center; max-width: 800px; margin: 0 auto; }
.hero p.lead { margin: 24px auto 0; max-width: 620px; font-size: 1.15rem; color: var(--text-2); }
.hero-cta { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 38px; flex-wrap: wrap; }

.hero-stats {
  margin-top: 90px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border-soft);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.hero-stats div { background: var(--bg-1); padding: 28px 20px; text-align: center; }
.hero-stats strong { display: block; font-family: 'Space Grotesk', sans-serif; font-size: 2rem; color: var(--text-0); }
.hero-stats span { font-size: 0.85rem; color: var(--text-2); }
@media (max-width: 720px) { .hero-stats { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Page hero (inner pages) ---------- */
.page-hero {
  padding-top: calc(var(--nav-h) + 90px);
  padding-bottom: 70px;
  text-align: center;
  position: relative;
}
.page-hero::before {
  content: '';
  position: absolute; top: -160px; left: 50%; transform: translateX(-50%);
  width: 700px; height: 460px;
  background: radial-gradient(closest-side, rgba(109, 91, 246, 0.28), transparent 70%);
  pointer-events: none;
}
.page-hero .eyebrow { justify-content: center; }
.page-hero p.lead { max-width: 620px; margin: 18px auto 0; color: var(--text-2); font-size: 1.08rem; }
.breadcrumb { font-size: 0.85rem; color: var(--text-3); margin-bottom: 18px; }
.breadcrumb a { color: var(--text-2); }
.breadcrumb a:hover { color: var(--accent-2); }

/* ---------- Cards / Grid ---------- */
.grid { display: grid; gap: 24px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 960px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px) { .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; } }

.card {
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.card:hover { transform: translateY(-4px); border-color: rgba(109, 91, 246, 0.4); box-shadow: var(--shadow-1); }

.icon-tile {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  margin-bottom: 20px;
}
.icon-tile svg { width: 24px; height: 24px; stroke: var(--accent-2); }

.card h3 { margin-bottom: 10px; }
.card p { color: var(--text-2); font-size: 0.95rem; }
.card ul { margin-top: 16px; display: flex; flex-direction: column; gap: 10px; }
.card ul li { display: flex; gap: 10px; font-size: 0.9rem; color: var(--text-1); align-items: flex-start; }
.card ul li svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 3px; stroke: var(--accent-2); }

.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 22px; font-size: 0.9rem; font-weight: 600; color: var(--accent-2); }

/* ---------- Chips / Tech strip ---------- */
.chip-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.chip {
  padding: 9px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  font-size: 0.86rem;
  color: var(--text-1);
  background: var(--bg-2);
}

/* ---------- Process / timeline ---------- */
.process-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; counter-reset: step; }
@media (max-width: 960px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process-grid { grid-template-columns: 1fr; } }
.process-step { position: relative; padding: 26px 22px; border: 1px solid var(--border); border-radius: var(--radius-md); background: var(--bg-1); counter-increment: step; }
.process-step::before {
  content: counter(step, decimal-leading-zero);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem; font-weight: 700;
  color: var(--accent-2);
  display: block; margin-bottom: 14px;
}
.process-step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.process-step p { font-size: 0.88rem; color: var(--text-2); }

/* ---------- Testimonials ---------- */
.quote-card { padding: 34px; }
.quote-card .stars { color: var(--accent-2); letter-spacing: 3px; margin-bottom: 18px; font-size: 0.95rem; }
.quote-card p.quote { color: var(--text-1); font-size: 1rem; margin-bottom: 24px; }
.quote-author { display: flex; align-items: center; gap: 12px; }
.avatar {
  width: 44px; height: 44px; border-radius: 50%;
  background: var(--gradient); color: #06070a;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem; font-family: 'Space Grotesk', sans-serif;
  flex-shrink: 0;
}
.quote-author strong { display: block; color: var(--text-0); font-size: 0.92rem; }
.quote-author span { font-size: 0.82rem; color: var(--text-2); }

/* ---------- CTA banner ---------- */
.cta-banner {
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  background: radial-gradient(120% 160% at 50% 0%, rgba(109, 91, 246, 0.22), transparent 60%), var(--bg-2);
  border: 1px solid var(--border);
}
.cta-banner h2 { margin-bottom: 14px; }
.cta-banner p { color: var(--text-2); max-width: 520px; margin: 0 auto 30px; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border-soft); padding: 70px 0 30px; }
.footer-top { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; margin-bottom: 56px; }
@media (max-width: 860px) { .footer-top { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .footer-top { grid-template-columns: 1fr; } }
.footer-brand p { margin-top: 14px; color: var(--text-2); font-size: 0.92rem; max-width: 280px; }
.footer h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-0); margin-bottom: 18px; }
.footer ul li { margin-bottom: 12px; }
.footer ul a { color: var(--text-2); font-size: 0.92rem; transition: color 0.2s var(--ease); }
.footer ul a:hover { color: var(--accent-2); }
.social-row { display: flex; gap: 10px; margin-top: 20px; }
.social-row a {
  width: 38px; height: 38px; border-radius: 10px;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}
.social-row a:hover { border-color: var(--accent-1); background: rgba(109, 91, 246, 0.08); }
.social-row svg { width: 16px; height: 16px; stroke: var(--text-1); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 26px; border-top: 1px solid var(--border-soft);
  font-size: 0.82rem; color: var(--text-3); flex-wrap: wrap; gap: 12px;
}
.footer-bottom a { color: var(--text-3); }
.footer-bottom a:hover { color: var(--text-1); }

/* ---------- Forms ---------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 8px; margin-bottom: 20px; }
.field.full { grid-column: 1 / -1; }
.field label { font-size: 0.85rem; font-weight: 600; color: var(--text-1); }
.field input, .field select, .field textarea {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 13px 15px;
  color: var(--text-0);
  font-size: 0.95rem;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent-1);
  box-shadow: 0 0 0 3px rgba(109, 91, 246, 0.18);
}
.field textarea { resize: vertical; min-height: 130px; }
.hp-field { position: absolute; left: -9999px; opacity: 0; }

.alert { padding: 16px 18px; border-radius: var(--radius-sm); font-size: 0.92rem; margin-bottom: 26px; border: 1px solid; }
.alert-success { background: rgba(52, 211, 153, 0.08); border-color: rgba(52, 211, 153, 0.35); color: var(--success); }
.alert-error { background: rgba(248, 113, 113, 0.08); border-color: rgba(248, 113, 113, 0.35); color: var(--danger); }

.contact-layout { display: grid; grid-template-columns: 1.3fr 1fr; gap: 40px; align-items: start; }
@media (max-width: 900px) { .contact-layout { grid-template-columns: 1fr; } }
.info-card { display: flex; gap: 16px; padding: 22px; margin-bottom: 16px; }
.info-card .icon-tile { margin-bottom: 0; flex-shrink: 0; }
.info-card h4 { font-size: 0.95rem; color: var(--text-0); margin-bottom: 4px; }
.info-card p { font-size: 0.9rem; color: var(--text-2); }

/* ---------- Values / About ---------- */
.value-card { text-align: left; }
.team-card { text-align: center; padding: 28px 22px; }
.team-avatar {
  width: 76px; height: 76px; border-radius: 50%;
  margin: 0 auto 18px;
  background: var(--gradient-soft);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.3rem;
  color: var(--text-0);
}
.team-card h3 { font-size: 1.02rem; margin-bottom: 4px; }
.team-card .role { font-size: 0.85rem; color: var(--accent-2); margin-bottom: 12px; display: block; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media (max-width: 900px) { .split { grid-template-columns: 1fr; gap: 32px; } }
.stat-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 34px; }
.stat-list strong { display: block; font-family: 'Space Grotesk', sans-serif; font-size: 1.8rem; color: var(--text-0); }
.stat-list span { font-size: 0.85rem; color: var(--text-2); }

.visual-panel {
  aspect-ratio: 4/3.2;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: radial-gradient(120% 120% at 20% 20%, rgba(109, 91, 246, 0.25), transparent 60%),
              radial-gradient(120% 120% at 80% 80%, rgba(34, 211, 238, 0.18), transparent 60%),
              var(--bg-2);
  position: relative;
  overflow: hidden;
}
.visual-panel .grid-lines {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--border-soft) 1px, transparent 1px), linear-gradient(90deg, var(--border-soft) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.5;
}

/* ---------- Work / Portfolio ---------- */
.work-card { padding: 0; overflow: hidden; }
.work-thumb {
  aspect-ratio: 16/10;
  background: radial-gradient(120% 140% at 10% 0%, rgba(109, 91, 246, 0.35), transparent 60%),
              radial-gradient(120% 140% at 100% 100%, rgba(34, 211, 238, 0.22), transparent 60%),
              var(--bg-3);
  position: relative;
  border-bottom: 1px solid var(--border);
}
.work-thumb span {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.6rem; color: rgba(255,255,255,0.14);
  letter-spacing: 0.04em;
}
.work-body { padding: 26px 28px 30px; }
.work-tags { display: flex; gap: 8px; margin-bottom: 14px; flex-wrap: wrap; }
.work-tags span { font-size: 0.74rem; padding: 4px 10px; border-radius: var(--radius-pill); background: var(--bg-3); border: 1px solid var(--border); color: var(--text-2); }
.work-body h3 { margin-bottom: 8px; }
.work-body p { font-size: 0.9rem; color: var(--text-2); }

.filter-row { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; margin-bottom: 50px; }
.filter-btn {
  padding: 9px 18px; border-radius: var(--radius-pill);
  border: 1px solid var(--border); background: var(--bg-1);
  font-size: 0.86rem; color: var(--text-2);
  transition: all 0.2s var(--ease);
}
.filter-btn:hover { color: var(--text-0); border-color: var(--accent-1); }
.filter-btn.active { background: var(--gradient); color: #06070a; border-color: transparent; font-weight: 600; }

/* ---------- 404 ---------- */
.error-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; padding-top: var(--nav-h); }
.error-page .code { font-family: 'Space Grotesk', sans-serif; font-size: clamp(4rem, 14vw, 8rem); font-weight: 700; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; line-height: 1; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.7s var(--ease), transform 0.7s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Back to top ---------- */
.to-top {
  position: fixed; right: 24px; bottom: 24px; z-index: 90;
  width: 46px; height: 46px; border-radius: 50%;
  background: var(--bg-2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transform: translateY(10px);
  transition: all 0.3s var(--ease);
}
.to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top svg { width: 18px; height: 18px; stroke: var(--text-0); }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }