@import url('https://fonts.googleapis.com/css2?family=Rajdhani:wght@300;400;500;600;700&family=Inter:wght@300;400;500&display=swap');

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

:root {
  --navy:        #080e18;
  --navy-2:      #0c1420;
  --navy-3:      #101c2c;
  --navy-4:      #152236;
  --cyan:        #3eb8d4;
  --cyan-bright: #5dd0e8;
  --cyan-dim:    rgba(62,184,212,0.12);
  --cyan-glow:   rgba(62,184,212,0.25);
  --white:       #e8f4f8;
  --muted:       rgba(232,244,248,0.45);
  --muted-hi:    rgba(232,244,248,0.72);
  --border:      rgba(62,184,212,0.15);
  --border-hi:   rgba(62,184,212,0.35);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--navy);
  color: var(--white);
  min-height: 100vh;
  overflow-x: hidden;
}

nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 200;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 4rem;
  height: 68px;
  background: rgba(8,14,24,0.94);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav-logo { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.nav-logo img { height: 54px; width: 54px; border-radius: 6px; object-fit: cover; image-rendering: -webkit-optimize-contrast; }
.nav-logo-text {
  font-family: 'Rajdhani', sans-serif;
  font-size: 2rem; font-weight: 900;
  letter-spacing: 0.02em; text-transform: none;
  color: var(--white); line-height: 1;
}
.nav-logo-text .nav-group {
  font-weight: 500; color: var(--cyan);
}

.nav-links { display: flex; gap: 0; list-style: none; }
.nav-links a {
  display: block; padding: 0 1.3rem; line-height: 68px;
  font-family: 'Rajdhani', sans-serif; font-size: 0.78rem;
  font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; transition: color 0.25s;
  position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: 0; left: 1.3rem; right: 1.3rem;
  height: 2px; background: var(--cyan); transform: scaleX(0); transition: transform 0.3s;
}
.nav-links a:hover, .nav-links a.active { color: var(--cyan); }
.nav-links a:hover::after, .nav-links a.active::after { transform: scaleX(1); }

.nav-cta {
  display: inline-block; padding: 0.5rem 1.5rem;
  border: 1px solid var(--cyan); color: var(--cyan);
  font-family: 'Rajdhani', sans-serif; font-size: 0.72rem;
  font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase;
  text-decoration: none; border-radius: 2px; transition: all 0.25s;
  position: relative; overflow: hidden; z-index: 0;
}
.nav-cta::before {
  content: ''; position: absolute; inset: 0; background: var(--cyan);
  transform: scaleX(0); transform-origin: left; transition: transform 0.25s; z-index: -1;
}
.nav-cta:hover { color: var(--navy); }
.nav-cta:hover::before { transform: scaleX(1); }

.page { padding-top: 68px; }

.page-header {
  background: var(--navy-2); padding: 5rem 7rem 4.5rem;
  border-bottom: 1px solid var(--border); position: relative; overflow: hidden;
}
.page-header::after {
  content: ''; position: absolute; right: -5%; top: -30%;
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(62,184,212,0.07) 0%, transparent 65%);
  pointer-events: none;
}
.page-header h1 { margin-bottom: 1.2rem; max-width: 780px; }
.page-header .sub {
  font-size: 1rem; line-height: 1.8; color: var(--muted-hi);
  font-weight: 300; max-width: 560px;
}

.tag {
  display: inline-flex; align-items: center; gap: 0.6rem;
  font-family: 'Rajdhani', sans-serif; font-size: 0.68rem;
  font-weight: 600; letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--cyan); margin-bottom: 1.2rem;
}
.tag::before { content: ''; display: inline-block; width: 20px; height: 1px; background: var(--cyan); }

h1, h2, h3, h4 { font-family: 'Rajdhani', sans-serif; }

h1 {
  font-size: clamp(2.8rem, 5.5vw, 5.8rem); font-weight: 700;
  line-height: 0.95; letter-spacing: 0.02em; text-transform: uppercase;
}
h1 .accent { color: var(--cyan); }
h1 .thin { font-weight: 300; }

h2 {
  font-size: clamp(1.8rem, 3vw, 2.8rem); font-weight: 700;
  line-height: 1.05; text-transform: uppercase; letter-spacing: 0.03em;
}
h2 .accent { color: var(--cyan); }

.btn-primary {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 2.2rem; background: var(--cyan); color: var(--navy);
  font-family: 'Rajdhani', sans-serif; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase; text-decoration: none;
  border-radius: 2px; transition: background 0.25s, transform 0.2s;
}
.btn-primary:hover { background: var(--cyan-bright); transform: translateY(-2px); }

.btn-outline {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.85rem 2.2rem; border: 1px solid var(--border-hi); color: var(--cyan);
  font-family: 'Rajdhani', sans-serif; font-size: 0.75rem; font-weight: 700;
  letter-spacing: 0.2em; text-transform: uppercase; text-decoration: none;
  border-radius: 2px; transition: all 0.25s;
}
.btn-outline:hover { border-color: var(--cyan); background: var(--cyan-dim); transform: translateY(-2px); }

.divider { width: 48px; height: 2px; background: var(--cyan); margin: 1.2rem 0; }

.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.visible { opacity: 1; transform: none; }
.d1 { transition-delay: 0.1s; }
.d2 { transition-delay: 0.2s; }
.d3 { transition-delay: 0.3s; }
.d4 { transition-delay: 0.4s; }

footer {
  background: #050a10; border-top: 1px solid var(--border);
  padding: 3rem 7rem;
  display: grid; grid-template-columns: auto 1fr auto;
  align-items: center; gap: 3rem;
}
.footer-logo { display: flex; align-items: center; gap: 0.7rem; }
.footer-logo img { height: 48px; width: 48px; border-radius: 4px; object-fit: cover; image-rendering: -webkit-optimize-contrast; }
.footer-logo-text {
  font-family: 'Rajdhani', sans-serif; font-size: 0.85rem; font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted);
}
.footer-links { display: flex; gap: 2.2rem; list-style: none; justify-content: center; }
.footer-links a {
  font-family: 'Rajdhani', sans-serif; font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; transition: color 0.25s;
}
.footer-links a:hover { color: var(--cyan); }
.footer-copy { font-size: 0.68rem; color: rgba(232,244,248,0.2); text-align: right; letter-spacing: 0.04em; }
.footer-right { display: flex; flex-direction: column; align-items: flex-end; gap: 0.75rem; }
.footer-socials { display: flex; gap: 0.5rem; }
.footer-soc-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border: 1px solid var(--border); border-radius: 4px;
  color: var(--white); text-decoration: none; transition: all 0.25s;
}
.footer-soc-btn svg { display: block; }
.footer-soc-btn:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-dim); }

.nav-socials { display: flex; gap: 0.5rem; }
.nav-soc-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border: 1px solid var(--border); border-radius: 3px;
  color: var(--white); text-decoration: none; transition: all 0.25s;
}
.nav-soc-btn svg { display: block; }
.nav-soc-btn:hover { border-color: var(--cyan); color: var(--cyan); background: var(--cyan-dim); }

/* ── TABLET ≤900px ──────────────────────────────────────────── */
@media (max-width: 900px) {
  nav { padding: 0 1.25rem; height: 62px; }
  .nav-links { display: none; }
  .nav-logo img { height: 44px; width: 44px; }
  .nav-logo-text { font-size: 1.55rem; }
  .nav-socials { gap: 0.4rem; }
  .nav-soc-btn { width: 30px; height: 30px; }
  .page { padding-top: 62px; }
  .page-header { padding: 3rem 1.5rem 2.5rem !important; }
  .page-header .sub { font-size: 0.94rem; }
  footer {
    grid-template-columns: 1fr;
    text-align: center;
    padding: 2.5rem 1.5rem !important;
    gap: 1.6rem;
  }
  .footer-logo { justify-content: center; }
  .footer-copy { text-align: center; }
  .footer-links { flex-wrap: wrap; justify-content: center; gap: 1rem; }
  .footer-right { align-items: center; }
  .footer-socials { justify-content: center; }
}

/* ── PHONE ≤600px ───────────────────────────────────────────── */
@media (max-width: 600px) {
  /* Nav */
  nav { padding: 0 1rem; height: 56px; }
  .nav-logo { gap: 0.45rem; }
  .nav-logo img { height: 36px; width: 36px; }
  .nav-logo-text { font-size: 1.2rem; }
  .nav-soc-btn { width: 28px; height: 28px; }
  .page { padding-top: 56px; }

  /* Page headers */
  .page-header { padding: 2rem 1rem 1.8rem !important; }
  .page-header .sub { font-size: 0.88rem; line-height: 1.7; }

  /* Headings */
  h1 { font-size: clamp(1.9rem, 9vw, 2.6rem) !important; line-height: 0.97 !important; }
  h2 { font-size: clamp(1.45rem, 6.5vw, 2rem) !important; line-height: 1.1 !important; }
  .tag { font-size: 0.6rem; letter-spacing: 0.22em; }

  /* Buttons — stack & fill full width */
  .btn-primary, .btn-outline {
    width: 100%;
    justify-content: center;
    padding: 0.95rem 1.2rem;
    font-size: 0.75rem;
  }

  /* Footer */
  footer { padding: 1.8rem 1rem !important; gap: 1.4rem; }
  .footer-links a { font-size: 0.67rem; }
  .footer-soc-btn { padding: 0.5rem 1rem; font-size: 0.68rem; }
}