@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500;600&family=IBM+Plex+Sans:wght@300;400;500;600&display=swap');

:root {
  --navy: #0A1628;
  --navy-mid: #0F2040;
  --navy-light: #162B52;
  --cyan: #00C8E0;
  --cyan-dim: #007A8C;
  --slate: #8BA0BE;
  --slate-light: #C2D0E4;
  --white: #F0F4FA;
  --off-white: #D6E0EE;
  --accent: #00E5C0;
  --warning: #FFB347;
  --font-mono: 'IBM Plex Mono', monospace;
  --font-sans: 'IBM Plex Sans', sans-serif;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  background: var(--navy);
  color: var(--white);
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── SCROLLBAR ── */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--navy); }
::-webkit-scrollbar-thumb { background: var(--cyan-dim); border-radius: 2px; }

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 5%;
  background: rgba(10, 22, 40, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0, 200, 224, 0.1);
  transition: var(--transition);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.logo-mark {
  width: 36px; height: 36px;
  border: 1.5px solid var(--cyan);
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--cyan);
  font-weight: 600;
  letter-spacing: -1px;
}

.logo-text {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--white);
  font-weight: 500;
  letter-spacing: 0.05em;
}

.logo-text span { color: var(--cyan); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color var(--transition);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--cyan);
  transition: width var(--transition);
}

.nav-links a:hover { color: var(--cyan); }
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan) !important;
  border: 1px solid var(--cyan);
  padding: 0.5rem 1.25rem;
  border-radius: 4px;
  text-decoration: none;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: background var(--transition), color var(--transition) !important;
}

.nav-cta:hover {
  background: var(--cyan) !important;
  color: var(--navy) !important;
}

.nav-cta::after { display: none !important; }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 22px; height: 1.5px;
  background: var(--cyan);
  transition: var(--transition);
}

/* ── PAGE SECTIONS ── */
.page { display: none; }
.page.active { display: block; }

/* ── HERO ── */
#hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 8rem 5% 4rem;
  position: relative;
  overflow: hidden;
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0,200,224,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,200,224,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 30%, transparent 100%);
}

.hero-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.hero-tag::before {
  content: '';
  width: 32px; height: 1px;
  background: var(--cyan);
}

.hero-headline {
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 600;
  line-height: 1.1;
  color: var(--white);
  margin-bottom: 1.5rem;
  max-width: 700px;
}

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

.hero-sub {
  font-size: 1.1rem;
  color: var(--slate);
  max-width: 520px;
  margin-bottom: 3rem;
  line-height: 1.8;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--cyan);
  color: var(--navy);
  border: none;
  padding: 0.85rem 2rem;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition), transform var(--transition);
  font-weight: 600;
}

.btn-primary:hover { background: var(--accent); transform: translateY(-1px); }

.btn-ghost {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: transparent;
  color: var(--slate-light);
  border: 1px solid rgba(139,160,190,0.3);
  padding: 0.85rem 2rem;
  border-radius: 4px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--transition), color var(--transition);
}

.btn-ghost:hover { border-color: var(--cyan); color: var(--cyan); }

.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 5rem;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(0,200,224,0.1);
}

.stat-num {
  font-family: var(--font-mono);
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--cyan);
  line-height: 1;
}

.stat-label {
  font-size: 12px;
  color: var(--slate);
  margin-top: 0.35rem;
  letter-spacing: 0.05em;
}

/* ── SECTION SHARED ── */
.section {
  padding: 6rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.section-tag::before {
  content: '';
  width: 24px; height: 1px;
  background: var(--cyan);
}

.section-title {
  font-family: var(--font-mono);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 600;
  color: var(--white);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-sub {
  font-size: 1rem;
  color: var(--slate);
  max-width: 540px;
  margin-bottom: 3.5rem;
  line-height: 1.8;
}

/* ── ABOUT ── */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-body p {
  color: var(--slate-light);
  margin-bottom: 1.25rem;
  line-height: 1.9;
}

.about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.pillar {
  background: var(--navy-light);
  border: 1px solid rgba(0,200,224,0.1);
  border-radius: 8px;
  padding: 1.25rem;
  transition: border-color var(--transition);
}

.pillar:hover { border-color: rgba(0,200,224,0.35); }

.pillar-icon {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

.pillar-title {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.pillar-desc {
  font-size: 13px;
  color: var(--slate);
  line-height: 1.6;
}

.about-visual {
  position: relative;
}

.about-card {
  background: var(--navy-mid);
  border: 1px solid rgba(0,200,224,0.15);
  border-radius: 12px;
  padding: 2.5rem;
}

.terminal-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 1.5rem;
}

.terminal-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}

.terminal-dot:nth-child(1) { background: #FF5F57; }
.terminal-dot:nth-child(2) { background: #FEBC2E; }
.terminal-dot:nth-child(3) { background: #28C840; }

.terminal-line {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  color: var(--slate);
}

.terminal-line .cmd { color: var(--cyan); }
.terminal-line .ok { color: var(--accent); }
.terminal-line .comment { color: var(--slate); opacity: 0.5; }

/* ── SERVICES ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--navy-mid);
  border: 1px solid rgba(0,200,224,0.1);
  border-radius: 10px;
  padding: 2rem;
  transition: border-color var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--accent));
  opacity: 0;
  transition: opacity var(--transition);
}

.service-card:hover {
  border-color: rgba(0,200,224,0.3);
  transform: translateY(-3px);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 44px; height: 44px;
  background: rgba(0,200,224,0.08);
  border: 1px solid rgba(0,200,224,0.2);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 1.25rem;
}

.service-name {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 0.75rem;
}

.service-desc {
  font-size: 14px;
  color: var(--slate);
  line-height: 1.75;
  margin-bottom: 1.25rem;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--cyan);
  border: 1px solid rgba(0,200,224,0.2);
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}

/* ── CONTACT ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: start;
}

.contact-info-block {
  margin-bottom: 2rem;
}

.contact-label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.contact-value {
  color: var(--slate-light);
  font-size: 15px;
}

.contact-value a {
  color: var(--slate-light);
  text-decoration: none;
  transition: color var(--transition);
}

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

.contact-form {
  background: var(--navy-mid);
  border: 1px solid rgba(0,200,224,0.1);
  border-radius: 12px;
  padding: 2.5rem;
}

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

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--slate);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--navy);
  border: 1px solid rgba(0,200,224,0.15);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  color: var(--white);
  font-family: var(--font-sans);
  font-size: 14px;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--cyan);
}

.form-group select option { background: var(--navy); }
.form-group textarea { resize: vertical; min-height: 120px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }

/* ── FOOTER ── */
footer {
  border-top: 1px solid rgba(0,200,224,0.1);
  padding: 2rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
}

.footer-copy span { color: var(--cyan); }

.footer-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.footer-links a {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--slate);
  text-decoration: none;
  letter-spacing: 0.05em;
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--cyan); }

/* ── MOBILE ── */
@media (max-width: 768px) {
  .nav-links { display: none; flex-direction: column; gap: 1.5rem; }
  .nav-links.open {
    display: flex;
    position: fixed;
    top: 65px; left: 0; right: 0;
    background: var(--navy-mid);
    padding: 2rem 5%;
    border-bottom: 1px solid rgba(0,200,224,0.1);
  }
  .hamburger { display: flex; }
  .nav-cta { display: none; }

  .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
  .about-grid { grid-template-columns: 1fr; }
  .about-visual { display: none; }
  .about-pillars { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  footer { flex-direction: column; text-align: center; }
}