/* =========================================================
   ITN GAMA — style.css
   Dark Corporate-Tech Theme: Navy/Charcoal + Gold Accent
   ========================================================= */

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

:root {
  --bg-dark:     #0b0f1a;
  --bg-card:     #111827;
  --bg-card2:    #161d2e;
  --border:      #1e2d47;
  --text-primary:#e8edf5;
  --text-muted:  #8899b0;
  --accent:      #c8a44a;       /* gold */
  --accent-light:#f0c060;
  --accent-glow: rgba(200,164,74,.18);
  --cyan:        #38bdf8;
  --cyan-dim:    rgba(56,189,248,.12);
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 4px 32px rgba(0,0,0,.45);
  --transition:  .3s ease;
  --font-main:   'Inter', system-ui, sans-serif;
  --font-display:'Space Grotesk', 'Inter', sans-serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.7;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-light); }
img { max-width: 100%; display: block; }

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ---------- CONTAINER ---------- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- BUTTONS ---------- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 8px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: .95rem;
  letter-spacing: .03em;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}
.btn-primary {
  background: var(--accent);
  color: #0b0f1a;
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-light);
  border-color: var(--accent-light);
  color: #0b0f1a;
  box-shadow: 0 0 24px var(--accent-glow);
  transform: translateY(-2px);
}
.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline:hover {
  background: var(--accent-glow);
  color: var(--accent-light);
  transform: translateY(-2px);
}
.btn-full { width: 100%; text-align: center; }

/* ---------- SECTION LABELS ---------- */
.section-label {
  font-family: var(--font-display);
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.2;
  margin-bottom: 16px;
}
.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 48px;
  max-width: 540px;
}

/* ---------- REVEAL ANIMATION ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* =========================================================
   NAV
   ========================================================= */
#navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 0;
  transition: background var(--transition), box-shadow var(--transition);
}
#navbar.scrolled {
  background: rgba(11,15,26,.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--border);
}
.nav-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: .04em;
}
.logo-accent { color: var(--accent); }

.nav-links {
  list-style: none;
  display: flex;
  gap: 36px;
}
.nav-links a {
  color: var(--text-muted);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .02em;
  transition: color var(--transition);
}
.nav-links a:hover { color: var(--text-primary); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--text-primary);
  transition: all var(--transition);
  border-radius: 2px;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* =========================================================
   HERO
   ========================================================= */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
#circuit-canvas {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,15,26,.92) 0%, rgba(11,15,26,.75) 60%, rgba(11,15,26,.88) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
  padding-top: 80px;
}
.hero-eyebrow {
  font-size: .8rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 20px;
}
.hero-content h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--text-primary);
  margin-bottom: 24px;
}
.hero-content h1 span {
  color: var(--accent);
  display: block;
}
.hero-tagline {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 500px;
}
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
}
.scroll-indicator span {
  display: block;
  width: 2px;
  height: 48px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  margin: 0 auto;
  animation: scrollPulse 2s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: .3; transform: scaleY(.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* =========================================================
   ABOUT
   ========================================================= */
#about {
  padding: 110px 0;
  background: var(--bg-dark);
}
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-text p {
  color: var(--text-muted);
  margin-bottom: 20px;
  font-size: 1.05rem;
}
.about-text strong { color: var(--text-primary); }
.about-badges {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 32px;
}
.badge {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  transition: border-color var(--transition);
}
.badge:hover { border-color: var(--accent); }
.badge-icon {
  color: var(--accent);
  font-size: .6rem;
  flex-shrink: 0;
}
.badge strong { display: block; font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); }
.badge span { font-size: .92rem; color: var(--text-primary); }

.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--transition), transform var(--transition);
}
.stat-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.stat-num {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent);
}
.stat-label {
  font-size: .82rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* =========================================================
   SERVICES
   ========================================================= */
#services {
  padding: 110px 0;
  background: var(--bg-card);
}
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.service-card {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  cursor: pointer;
}
.service-card:hover, .service-card.open {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(200,164,74,.12);
}
.service-card-inner { padding: 36px 28px 28px; }
.service-icon {
  width: 56px; height: 56px;
  color: var(--accent);
  margin-bottom: 24px;
}
.service-card h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.3;
}
.service-summary {
  color: var(--text-muted);
  font-size: .92rem;
  margin-bottom: 24px;
}
.service-toggle {
  background: none;
  border: 1px solid var(--border);
  color: var(--accent);
  font-size: .85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-main);
}
.service-toggle:hover { border-color: var(--accent); background: var(--accent-glow); }
.service-toggle .arrow { display: inline-block; transition: transform var(--transition); }
.service-card.open .service-toggle .arrow { transform: rotate(180deg); }

.service-details {
  max-height: 0;
  overflow: hidden;
  transition: max-height .45s ease, padding-top .3s ease;
}
.service-card.open .service-details { max-height: 300px; padding-top: 20px; }
.service-details ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.service-details li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .9rem;
  color: var(--text-muted);
}
.check { color: var(--accent); font-size: .8rem; flex-shrink: 0; }

/* =========================================================
   PACKAGES
   ========================================================= */
#packages {
  padding: 110px 0;
  background: var(--bg-dark);
}
.packages-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 4px;
  width: fit-content;
  margin: 0 auto 48px;
}
.tab-btn {
  padding: 10px 22px;
  border: none;
  background: none;
  color: var(--text-muted);
  font-size: .88rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: 7px;
  font-family: var(--font-main);
  transition: all var(--transition);
}
.tab-btn.active {
  background: var(--accent);
  color: #0b0f1a;
  font-weight: 600;
}
.tab-btn:not(.active):hover { color: var(--text-primary); background: var(--border); }

.packages-grid {
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.packages-grid.active { display: grid; }

.pkg-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  position: relative;
  transition: border-color var(--transition), transform var(--transition);
}
.pkg-card.featured {
  border-color: var(--accent);
  background: var(--bg-card2);
  box-shadow: 0 0 0 1px var(--accent), 0 16px 48px rgba(200,164,74,.15);
}
.pkg-card:not(.featured):hover { border-color: var(--accent); transform: translateY(-4px); }

.pkg-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #0b0f1a;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: 4px 14px;
  border-radius: 20px;
  white-space: nowrap;
}
.pkg-tier {
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
}
.pkg-price {
  font-family: var(--font-display);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}
.currency {
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--text-muted);
  vertical-align: top;
  line-height: 2.2;
}
.per {
  font-size: .85rem;
  font-weight: 400;
  color: var(--text-muted);
}
.pkg-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
}
.pkg-features li {
  font-size: .9rem;
  color: var(--text-muted);
  padding-left: 20px;
  position: relative;
}
.pkg-features li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

/* =========================================================
   CONTACT
   ========================================================= */
#contact {
  padding: 110px 0;
  background: var(--bg-card);
}
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: start;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}
.contact-icon {
  width: 44px; height: 44px;
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--accent);
}
.contact-icon svg { width: 18px; height: 18px; }
.contact-item strong {
  display: block;
  font-size: .75rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.contact-item a, .contact-item span {
  font-size: .95rem;
  color: var(--text-primary);
}
.contact-item a:hover { color: var(--accent); }

/* Form */
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label {
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.form-group input,
.form-group select,
.form-group textarea {
  background: var(--bg-dark);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  color: var(--text-primary);
  font-family: var(--font-main);
  font-size: .95rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%238899b0' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}
.form-group select option { background: var(--bg-card); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--text-muted); opacity: .6; }
.form-group textarea { resize: vertical; min-height: 120px; }

.form-notice {
  font-size: .88rem;
  min-height: 22px;
  transition: all var(--transition);
}
.form-notice.success { color: #4ade80; }
.form-notice.error { color: #f87171; }

/* =========================================================
   FOOTER
   ========================================================= */
#footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 64px 0 28px;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.footer-brand p {
  font-size: .88rem;
  color: var(--text-muted);
  line-height: 1.6;
}
.footer-license {
  font-size: .78rem !important;
  margin-top: 8px;
  color: var(--accent) !important;
  opacity: .8;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links strong {
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.footer-links a, .footer-links span {
  font-size: .88rem;
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom p {
  font-size: .8rem;
  color: var(--text-muted);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .packages-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 68px; left: 0; right: 0;
    background: rgba(11,15,26,.98);
    backdrop-filter: blur(16px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }

  .services-grid { grid-template-columns: 1fr; }
  .packages-grid { grid-template-columns: 1fr; }
  .packages-tabs { flex-direction: column; width: 100%; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .stat-grid { grid-template-columns: 1fr 1fr; }

  #about, #services, #packages, #contact { padding: 80px 0; }
}

@media (max-width: 480px) {
  .hero-content h1 { font-size: 2.1rem; }
  .btn { padding: 12px 24px; font-size: .9rem; }
  .pkg-card { padding: 28px 20px; }
  .service-card-inner { padding: 28px 20px 20px; }
}