/* ============================================
   GREAT AUTOMATA — Portfolio Stylesheet
   Brand: Dark, Electric Blue, Deep Purple
   Font: Space Grotesk + Space Mono
============================================ */

:root {
  --bg: #05050F;
  --bg2: #0A0A1A;
  --bg3: #0F0F22;
  --blue: #00C2FF;
  --purple: #7B2FFF;
  --blue-dim: rgba(0, 194, 255, 0.12);
  --purple-dim: rgba(123, 47, 255, 0.12);
  --white: #FFFFFF;
  --gray: #8B8FA8;
  --gray-light: #C4C7D9;
  --border: rgba(255,255,255,0.07);
  --glow-blue: 0 0 30px rgba(0, 194, 255, 0.3);
  --glow-purple: 0 0 30px rgba(123, 47, 255, 0.3);
  --nav-bg: rgba(5,5,15,0.85);
  --nav-bg-scrolled: rgba(5,5,15,0.97);
  --grid-line: rgba(0,194,255,0.03);
  --shadow-soft: 0 4px 24px rgba(0,0,0,0.35);
  --font-main: 'Space Grotesk', sans-serif;
  --font-mono: 'Space Mono', monospace;
}

/* ---- LIGHT THEME ---- */
[data-theme="light"] {
  --bg: #F5F6FB;
  --bg2: #FFFFFF;
  --bg3: #EEF0F9;
  --blue: #0091D6;
  --purple: #6626D9;
  --blue-dim: rgba(0, 145, 214, 0.08);
  --purple-dim: rgba(102, 38, 217, 0.08);
  --white: #10101E;
  --gray: #5B5E76;
  --gray-light: #33344A;
  --border: rgba(16,16,30,0.09);
  --glow-blue: 0 0 30px rgba(0, 145, 214, 0.12);
  --glow-purple: 0 0 30px rgba(102, 38, 217, 0.12);
  --nav-bg: rgba(245,246,251,0.85);
  --nav-bg-scrolled: rgba(245,246,251,0.97);
  --grid-line: rgba(0,145,214,0.05);
  --shadow-soft: 0 4px 24px rgba(16,16,40,0.08);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  background-color: var(--bg);
  color: var(--white);
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.65;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* ---- UTILS ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 100px 0; }
.gradient-text {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: 16px;
  padding: 6px 14px;
  border: 1px solid rgba(0,194,255,0.3);
  border-radius: 20px;
}
[data-theme="light"] .section-tag { border-color: rgba(0,145,214,0.3); }
.section-title {
  font-size: clamp(32px, 5vw, 52px);
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 48px;
  letter-spacing: -0.01em;
}
.btn-primary {
  display: inline-block;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  color: #FFFFFF;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}
.btn-primary:hover { opacity: 0.85; transform: translateY(-2px); }
.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--white);
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid var(--border);
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}
.btn-ghost:hover { border-color: var(--blue); transform: translateY(-2px); }
.full-width { width: 100%; text-align: center; }

/* ---- NAV ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background-color 0.3s ease;
}
.nav.scrolled { background: var(--nav-bg-scrolled); }
.nav-logo {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--white);
}
.nav-logo span { color: var(--blue); }
.nav-links {
  display: flex;
  list-style: none;
  gap: 36px;
  align-items: center;
}
.nav-links a {
  color: var(--gray-light);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s;
}
.nav-links a:hover { color: var(--white); }
.nav-cta {
  background: linear-gradient(135deg, var(--blue), var(--purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600 !important;
  border: 1px solid rgba(0,194,255,0.4);
  padding: 8px 20px;
  border-radius: 6px;
}
[data-theme="light"] .nav-cta { border-color: rgba(0,145,214,0.35); }
.hamburger { display: none; background: none; border: none; color: var(--white); font-size: 22px; cursor: pointer; }

/* ---- THEME TOGGLE ---- */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg3);
  cursor: pointer;
  margin-left: 20px;
  font-size: 17px;
  line-height: 1;
  transition: border-color 0.2s, transform 0.2s;
}
.theme-toggle:hover { border-color: var(--blue); transform: translateY(-1px); }
.theme-icon { display: inline-block; }

/* ---- HERO ---- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 48px 80px;
  max-width: 1200px;
  margin: 0 auto;
  gap: 60px;
  position: relative;
}
.hero-bg-grid {
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}
.hero-content { flex: 1; position: relative; z-index: 1; }
.hero-visual { flex: 1; position: relative; z-index: 1; }
.hero-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--blue);
  margin-bottom: 24px;
  padding: 8px 16px;
  background: var(--blue-dim);
  border: 1px solid rgba(0,194,255,0.25);
  border-radius: 20px;
}
[data-theme="light"] .hero-tag { border-color: rgba(0,145,214,0.25); }
.hero-title {
  font-size: clamp(38px, 6vw, 68px);
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.015em;
}
.hero-sub {
  font-size: 18px;
  color: var(--gray);
  max-width: 520px;
  margin-bottom: 40px;
  line-height: 1.75;
}
.hero-btns { display: flex; gap: 16px; margin-bottom: 56px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  align-items: center;
  gap: 32px;
}
.stat { display: flex; flex-direction: column; }
.stat-num {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--blue);
}
.stat-label { font-size: 12px; color: var(--gray); }
.stat-divider { width: 1px; height: 40px; background: var(--border); }

/* Terminal */
.terminal {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--glow-blue);
}
.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: var(--bg3);
  border-bottom: 1px solid var(--border);
}
.dot { width: 12px; height: 12px; border-radius: 50%; }
.dot.red { background: #FF5F57; }
.dot.yellow { background: #FEBC2E; }
.dot.green { background: #28C840; }
.terminal-title {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray);
  margin-left: 8px;
}
.terminal-body { padding: 24px 20px; display: flex; flex-direction: column; gap: 14px; }
.terminal-line {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gray-light);
  display: flex;
  align-items: center;
  gap: 10px;
  opacity: 0;
  animation: fadeInLine 0.5s forwards;
}
.terminal-line:nth-child(1) { animation-delay: 0.3s; }
.terminal-line:nth-child(2) { animation-delay: 0.9s; }
.terminal-line:nth-child(3) { animation-delay: 1.5s; }
.terminal-line:nth-child(4) { animation-delay: 2.1s; }
.terminal-line:nth-child(5) { animation-delay: 2.7s; }
.terminal-line:nth-child(6) { animation-delay: 3.3s; }
@keyframes fadeInLine {
  from { opacity: 0; transform: translateX(-8px); }
  to { opacity: 1; transform: translateX(0); }
}
.t-green { color: #28C840; }
.t-blue { color: var(--blue); }
.t-yellow { color: #FEBC2E; }
[data-theme="light"] .t-green { color: #1CA23A; }
[data-theme="light"] .t-yellow { color: #B8790A; }
.blink { animation: fadeInLine 0.5s forwards, blink 1s infinite 3.3s !important; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0; } }

/* ---- ABOUT ---- */
.about { background: var(--bg2); }
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.about-text p {
  color: var(--gray-light);
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.8;
}
.about-text strong { color: var(--white); }
.tech-stack { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; }
.tech-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  padding: 6px 14px;
  background: var(--blue-dim);
  border: 1px solid rgba(0,194,255,0.2);
  border-radius: 4px;
}
[data-theme="light"] .tech-tag { border-color: rgba(0,145,214,0.2); }
.about-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.about-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}
.about-card:hover { border-color: rgba(0,194,255,0.3); transform: translateY(-4px); }
.about-card-icon { font-size: 28px; margin-bottom: 12px; }
.about-card h3 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.about-card p { font-size: 13.5px; color: var(--gray); line-height: 1.65; }

/* ---- PROJECTS ---- */
.projects-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.project-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
  position: relative;
  transition: border-color 0.2s, transform 0.2s;
}
.project-card:hover { border-color: rgba(0,194,255,0.3); transform: translateY(-4px); }
.project-card.featured { border-color: rgba(0,194,255,0.3); box-shadow: var(--glow-blue); }
.project-badge {
  position: absolute;
  top: 20px; right: 20px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--blue);
  padding: 4px 12px;
  background: var(--blue-dim);
  border: 1px solid rgba(0,194,255,0.3);
  border-radius: 20px;
}
.project-header { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
.project-icon { font-size: 36px; }
.project-name { font-size: 22px; font-weight: 700; }
.project-type { font-size: 13px; color: var(--blue); font-family: var(--font-mono); }
.project-desc { color: var(--gray-light); font-size: 15px; line-height: 1.75; margin-bottom: 24px; }
.project-flow {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--bg3);
  border-radius: 8px;
}
.flow-step {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--blue);
  padding: 6px 12px;
  background: var(--blue-dim);
  border-radius: 4px;
}
.flow-arrow { color: var(--gray); font-size: 16px; }
.project-features { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; }
.feature-item { font-size: 13.5px; color: var(--gray-light); display: flex; align-items: center; gap: 8px; }
.project-result {
  background: linear-gradient(135deg, rgba(0,194,255,0.08), rgba(123,47,255,0.08));
  border: 1px solid rgba(0,194,255,0.2);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: 13.5px;
  color: var(--gray-light);
  margin-bottom: 20px;
}
[data-theme="light"] .project-result { border-color: rgba(0,145,214,0.2); }
.result-label { color: var(--blue); font-weight: 600; margin-right: 6px; }
.project-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.project-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding: 12px 20px;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}
.project-cta:hover { border-color: var(--blue); background: var(--blue-dim); transform: translateX(2px); }
.extra-projects { display: none; margin-top: 32px; }
.extra-projects.show { display: grid; }
.load-more-wrap { display: none; justify-content: center; margin-top: 40px; }
.load-more-wrap.visible { display: flex; }

/* ---- CASE STUDY PAGE ---- */
.case-hero { padding: 140px 0 60px; }
.case-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--gray-light);
  text-decoration: none;
  font-size: 14px;
  margin-bottom: 24px;
}
.case-back:hover { color: var(--blue); }
.case-meta { display: flex; gap: 10px; flex-wrap: wrap; margin: 16px 0 24px; }
.case-section { padding: 48px 0; border-top: 1px solid var(--border); }
.case-section h2 { font-size: 24px; margin-bottom: 16px; }
.case-section p { color: var(--gray-light); line-height: 1.8; font-size: 15.5px; max-width: 720px; }
.case-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}
.case-shot {
  aspect-ratio: 16/10;
  background: var(--bg3);
  border: 1px dashed var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray);
  font-size: 13px;
  text-align: center;
  padding: 20px;
}
.case-shot img { width: 100%; height: 100%; object-fit: cover; border-radius: 12px; }
.case-steps { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; max-width: 720px; }
.case-step {
  display: flex;
  gap: 16px;
  padding: 18px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.case-step-num {
  flex-shrink: 0;
  width: 32px; height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px; color: #fff;
}
.case-step p { margin: 0; font-size: 14.5px; }
.case-result {
  margin-top: 24px;
  padding: 24px;
  background: linear-gradient(135deg, rgba(0,194,255,0.06), rgba(123,47,255,0.06));
  border: 1px solid rgba(0,194,255,0.2);
  border-radius: 12px;
  max-width: 720px;
}
[data-theme="light"] .case-result { border-color: rgba(0,145,214,0.2); }
.case-result h4 { color: var(--blue); font-size: 15px; margin-bottom: 8px; }
.case-cta { text-align: center; padding: 60px 0; }
.project-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--purple);
  padding: 4px 10px;
  background: var(--purple-dim);
  border: 1px solid rgba(123,47,255,0.2);
  border-radius: 4px;
}
[data-theme="light"] .project-tag { border-color: rgba(102,38,217,0.2); }

/* ---- SERVICES ---- */
.services { background: var(--bg2); }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: border-color 0.2s, transform 0.2s;
}
.service-card:hover { border-color: rgba(123,47,255,0.4); transform: translateY(-4px); }
.service-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--purple);
  margin-bottom: 16px;
  opacity: 0.8;
}
.service-card h3 { font-size: 17px; font-weight: 600; margin-bottom: 12px; }
.service-card p { font-size: 14.5px; color: var(--gray); line-height: 1.75; }

/* ---- WHY ME ---- */
.why-intro {
  font-size: 16px;
  line-height: 1.75;
  color: var(--gray);
  max-width: 640px;
  margin-top: -32px;
  margin-bottom: 44px;
}
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.why-card {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 30px 28px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.why-card:hover {
  border-color: rgba(0,194,255,0.3);
  transform: translateY(-4px);
  box-shadow: var(--glow-blue);
}
[data-theme="light"] .why-card:hover { border-color: rgba(0,145,214,0.3); }
.why-card-icon {
  font-size: 26px;
  margin-bottom: 16px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--blue-dim);
  border-radius: 10px;
}
.why-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.why-card p { font-size: 14px; color: var(--gray); line-height: 1.7; }
.why-cta {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 48px;
}

/* ---- CONTACT ---- */
.contact { background: var(--bg2); }
.contact-sub {
  color: var(--gray);
  font-size: 16px;
  max-width: 560px;
  margin-top: -32px;
  margin-bottom: 48px;
  line-height: 1.75;
}
.contact-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 60px; align-items: start; }
.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 8px; }
.form-group label { font-size: 13px; color: var(--gray); font-family: var(--font-mono); }
.form-group input,
.form-group textarea {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px 16px;
  color: var(--white);
  font-family: var(--font-main);
  font-size: 15px;
  outline: none;
  transition: border-color 0.2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--blue); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--gray); }
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s, transform 0.2s;
}
a.contact-card:hover { border-color: var(--blue); transform: translateY(-2px); }
.contact-icon { font-size: 24px; }
.contact-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.contact-card p { font-size: 13.5px; color: var(--gray); }
.guarantee {
  padding: 24px;
  background: linear-gradient(135deg, rgba(0,194,255,0.06), rgba(123,47,255,0.06));
  border: 1px solid rgba(0,194,255,0.2);
  border-radius: 12px;
}
[data-theme="light"] .guarantee { border-color: rgba(0,145,214,0.2); }
.guarantee h4 { color: var(--blue); margin-bottom: 8px; font-size: 15px; }
.guarantee p { font-size: 13.5px; color: var(--gray-light); line-height: 1.75; }

/* ---- FOOTER ---- */
.footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  text-align: center;
}
.footer-logo {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}
.footer-logo span { color: var(--blue); }
.footer-tagline { color: var(--gray); font-size: 14px; margin-bottom: 16px; }
.footer-socials { display: flex; justify-content: center; gap: 16px; margin-bottom: 20px; }
.footer-socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid var(--border);
  color: var(--gray-light);
  transition: color 0.2s, border-color 0.2s, transform 0.2s;
}
.footer-socials a:hover { color: var(--blue); border-color: var(--blue); transform: translateY(-2px); }
.footer-copy { font-size: 12px; color: var(--gray); opacity: 0.5; font-family: var(--font-mono); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .hero { flex-direction: column; padding-top: 120px; }
  .about-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .why-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .nav { padding: 16px 24px; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .theme-toggle { margin-left: 12px; width: 36px; height: 36px; }
  .hero { padding: 100px 24px 60px; gap: 40px; }
  .projects-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .why-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .about-cards { grid-template-columns: 1fr; }
  .project-features { grid-template-columns: 1fr; }
  .section { padding: 64px 0; }
  .hero-stats { gap: 20px; }
  .flow-step { font-size: 11px; padding: 4px 8px; }
  .why-cta { flex-direction: column; }
  .why-cta .btn-primary,
  .why-cta .btn-ghost { text-align: center; }
}

/* ---- ACCESSIBILITY ---- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}