/* ==========================================
   Emoi Studio — Main Stylesheet
   Computer Systems Design & Integrated Systems
   ========================================== */

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  /* Core palette */
  --color-deep-navy: #080c1a;
  --color-navy: #0d1230;
  --color-midnight: #111740;
  --color-slate: #1a2050;
  --color-steel: #272e63;
  --color-steel-light: #384080;

  /* Accent */
  --color-gold: #f0b429;
  --color-gold-bright: #ffc94d;
  --color-gold-muted: #c6921e;
  --color-coral: #e0526e;
  --color-coral-bright: #f06b83;

  /* Text */
  --color-text-primary: #ffffff;
  --color-text-secondary: #c8cde0;
  --color-text-muted: #8b90b0;
  --color-text-dim: #5c6180;

  /* Surfaces */
  --color-surface: #131840;
  --color-surface-hover: #1b2255;
  --color-border: #252d60;
  --color-border-light: #303878;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen,
    Ubuntu, Cantarell, 'Helvetica Neue', sans-serif;
  background-color: var(--color-deep-navy);
  color: var(--color-text-primary);
  line-height: 1.7;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

ul {
  list-style: none;
}

/* --- Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 2rem;
  transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  background-color: rgba(8, 12, 26, 0.97);
  box-shadow: 0 1px 0 var(--color-border), 0 4px 20px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(12px);
}

.header-inner {
  max-width: 1280px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  transition: color 0.2s;
}

.logo:hover {
  color: var(--color-gold);
}

.logo-icon {
  color: var(--color-gold);
  font-size: 1.1em;
  line-height: 1;
}

.main-nav {
  display: flex;
  align-items: center;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  display: inline-block;
  padding: 0.5rem 1rem;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  border-radius: 6px;
  transition: color 0.2s, background 0.2s;
}

.nav-link:hover {
  color: var(--color-text-primary);
  background: var(--color-surface-hover);
}

.btn-nav {
  background: var(--color-gold);
  color: var(--color-deep-navy);
  font-weight: 700;
  padding: 0.55rem 1.3rem;
  margin-left: 0.5rem;
}

.btn-nav:hover {
  background: var(--color-gold-bright);
  color: var(--color-deep-navy);
}

.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(--color-text-primary);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 120px 2rem 80px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(240, 180, 41, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(240, 180, 41, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 70% 70% at 50% 50%, black 20%, transparent 70%);
}

.hero-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.15;
}

.hero-glow-1 {
  width: 600px;
  height: 600px;
  background: var(--color-gold);
  top: -200px;
  left: -200px;
}

.hero-glow-2 {
  width: 500px;
  height: 500px;
  background: var(--color-coral);
  bottom: -150px;
  right: -150px;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 0.4rem 1rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: 1.5rem;
}

.badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gold);
  box-shadow: 0 0 10px var(--color-gold);
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.2rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--color-text-primary);
  margin-bottom: 1.25rem;
}

.hero-highlight {
  color: var(--color-gold);
  position: relative;
}

.hero-highlight::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  right: 0;
  height: 6px;
  background: rgba(240, 180, 41, 0.2);
  border-radius: 3px;
  z-index: -1;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  max-width: 600px;
  margin: 0 auto 2rem;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 2rem;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  font-family: inherit;
  letter-spacing: -0.01em;
}

.btn-primary {
  background: var(--color-gold);
  color: var(--color-deep-navy);
  box-shadow: 0 4px 20px rgba(240, 180, 41, 0.25);
}

.btn-primary:hover {
  background: var(--color-gold-bright);
  box-shadow: 0 6px 30px rgba(240, 180, 41, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-border-light);
}

.btn-secondary:hover {
  border-color: var(--color-text-secondary);
  background: var(--color-surface);
}

.btn-full {
  width: 100%;
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border);
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
}

.stat-number {
  font-family: 'JetBrains Mono', 'SF Mono', 'Cascadia Code', monospace;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-gold);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* --- Sections --- */
.section-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 6rem 2rem;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 4rem;
}

.section-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gold);
  margin-bottom: 1rem;
  padding: 0.3rem 0.8rem;
  background: rgba(240, 180, 41, 0.08);
  border-radius: 4px;
}

.section-title {
  font-size: clamp(2rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* --- Services --- */
.services {
  background: var(--color-navy);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--color-midnight);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem;
  transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.service-card:hover {
  border-color: var(--color-steel-light);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
  transform: translateY(-2px);
}

.service-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  margin-bottom: 1.25rem;
  color: var(--color-gold);
}

.service-icon svg {
  width: 22px;
  height: 22px;
}

.service-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-bottom: 1rem;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.service-features li {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding-left: 1.25rem;
  position: relative;
}

.service-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-gold);
}

/* --- About --- */
.about {
  background: var(--color-deep-navy);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.about-text {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.about-highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.highlight {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.highlight-number {
  font-family: 'JetBrains Mono', 'SF Mono', monospace;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-gold);
}

.highlight-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.about-visual {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.visual-card {
  background: var(--color-midnight);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
}

.visual-card-offset {
  margin-left: 2rem;
}

.visual-card-inner {
  padding: 2rem;
}

.visual-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  margin-bottom: 1rem;
  color: var(--color-coral);
}

.visual-icon svg {
  width: 22px;
  height: 22px;
}

.visual-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.5rem;
}

.visual-desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* --- Process --- */
.process {
  background: var(--color-navy);
}

.process-timeline {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 3.5rem;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 3rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg,
    var(--color-gold) 0%,
    var(--color-gold) 20%,
    var(--color-border) 20%,
    var(--color-border) 80%,
    var(--color-coral) 80%,
    var(--color-coral) 100%
  );
}

.process-step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1.5rem;
  padding: 1.5rem 0;
  position: relative;
}

.step-marker {
  position: absolute;
  left: -3.5rem;
  top: 1.5rem;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-deep-navy);
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-gold);
  z-index: 1;
}

.step-content {
  background: var(--color-midnight);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 1.5rem 1.75rem;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 0.4rem;
}

.step-desc {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.65;
}

/* --- Contact --- */
.contact {
  background: var(--color-deep-navy);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-desc {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-item-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-gold);
}

.contact-item-icon svg {
  width: 18px;
  height: 18px;
}

.contact-label {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.15rem;
}

.contact-value {
  font-size: 0.95rem;
  color: var(--color-text-primary);
  font-weight: 500;
  line-height: 1.45;
}

a.contact-value:hover {
  color: var(--color-gold);
}

/* --- Contact Form --- */
.contact-form-wrap {
  background: var(--color-midnight);
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 2.5rem;
}

.form-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 0.4rem;
  letter-spacing: -0.005em;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--color-deep-navy);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  color: var(--color-text-primary);
  font-family: 'Inter', sans-serif;
  font-size: 0.9rem;
  transition: border-color 0.25s, box-shadow 0.25s;
  outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-dim);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px rgba(240, 180, 41, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  color: var(--color-gold);
  font-weight: 500;
  text-align: center;
  min-height: 1.2em;
}

.form-note.error-text {
  color: var(--color-coral);
}

/* --- Footer --- */
.site-footer {
  background: var(--color-deep-navy);
  border-top: 1px solid var(--color-border);
}

.footer-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 4rem 2rem 3rem;
  display: grid;
  grid-template-columns: 1.5fr 2fr;
  gap: 3rem;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--color-text-primary);
  margin-bottom: 1rem;
  transition: color 0.2s;
}

.footer-logo:hover {
  color: var(--color-gold);
}

.footer-tagline {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  max-width: 340px;
  margin-bottom: 0.5rem;
}

.footer-naics {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-family: 'JetBrains Mono', monospace;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.footer-heading {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer-col ul li,
.footer-col ul li a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color 0.2s;
  line-height: 1.5;
}

.footer-col ul li a:hover {
  color: var(--color-text-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding: 1.25rem 2rem;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.78rem;
  color: var(--color-text-dim);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-highlights {
    grid-template-columns: repeat(3, 1fr);
  }

  .visual-card-offset {
    margin-left: 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-links {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 0 1rem;
  }

  .nav-list {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    background: var(--color-deep-navy);
    border-left: 1px solid var(--color-border);
    padding: 5rem 1.5rem 2rem;
    gap: 0.5rem;
    transition: right 0.35s ease;
    z-index: 999;
  }

  .nav-list.active {
    right: 0;
  }

  .nav-link {
    display: block;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    width: 100%;
  }

  .btn-nav {
    text-align: center;
    margin-left: 0;
    margin-top: 0.5rem;
  }

  .nav-toggle {
    display: flex;
    position: relative;
    z-index: 1001;
  }

  .nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .about-highlights {
    grid-template-columns: 1fr 1fr;
  }

  .process-timeline {
    padding-left: 3rem;
  }

  .process-timeline::before {
    left: 2.6rem;
  }

  .step-marker {
    left: -3rem;
  }

  .contact-form-wrap {
    padding: 1.75rem;
  }

  .footer-links {
    grid-template-columns: 1fr 1fr;
  }

  .section-container {
    padding: 4rem 1.25rem;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1.25rem;
  }

  .about-highlights {
    grid-template-columns: 1fr;
  }

  .footer-links {
    grid-template-columns: 1fr;
  }
}