body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  background: #0A1628;
  color: #1A202C;
  -webkit-font-smoothing: antialiased;
}

:root {
  --deep-navy: #0A1628;
  --ocean-blue: #1E3A5F;
  --sapphire: #1E5B9E;
  --indigo: #0F3A6E;
  --cyan: #00D4FF;
  --aqua: #4FC3F7;
  --coral: #FF6B6B;
  --ice-white: #F0F7FF;
  --pure-white: #FFFFFF;
  --charcoal: #1A202C;
  --slate-blue: #7B9CC4;
}

/* NAV */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(10,22,40,0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,212,255,0.1);
}
nav .logo { display: flex; align-items: center; gap: 0.75rem; font-weight: 700; font-size: 1.1rem; color: #fff; text-decoration: none; }
nav .logo img { height: 36px; width: auto; }
nav ul { display: flex; list-style: none; gap: 2rem; align-items: center; }
nav ul li a { text-decoration: none; color: rgba(255,255,255,0.6); font-size: 0.9rem; font-weight: 500; transition: color 0.2s; }
nav ul li a:hover { color: var(--cyan); }
nav ul li a.cta { background: var(--cyan); color: var(--deep-navy); padding: 0.5rem 1.2rem; border-radius: 6px; font-weight: 600; }
nav ul li a.cta:hover { background: var(--aqua); color: var(--deep-navy); }

/* HERO */
.hero {
  min-height: 60vh;
  display: flex; flex-direction: column; justify-content: center; align-items: center;
  text-align: center; padding: 8rem 2rem 4rem;
  background: linear-gradient(180deg, var(--deep-navy) 0%, var(--indigo) 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 800px; height: 800px;
  background: radial-gradient(circle, rgba(0,212,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.hero .icon { width: 120px; height: 120px; margin-bottom: 2rem; }
.hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); font-weight: 800; color: #fff; line-height: 1.1; margin-bottom: 1rem; letter-spacing: -0.03em; }
.hero h1 span { color: var(--cyan); }
.hero .tagline { font-size: clamp(1rem, 2vw, 1.2rem); color: rgba(255,255,255,0.6); max-width: 520px; margin-bottom: 2rem; }

/* SECTIONS */
section { padding: 5rem 2rem; }
.container { max-width: 900px; margin: 0 auto; }
.section-label { text-transform: uppercase; font-size: 0.75rem; font-weight: 700; letter-spacing: 0.12em; color: var(--cyan); margin-bottom: 0.75rem; }
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.4rem); font-weight: 800; color: #fff; line-height: 1.15; margin-bottom: 1rem; letter-spacing: -0.02em; }
.section-sub { font-size: 1rem; color: rgba(255,255,255,0.6); max-width: 520px; margin-bottom: 3rem; }

/* PHASES */
.phases { display: flex; flex-direction: column; gap: 2rem; }
.phase { background: rgba(255,255,255,0.04); border: 1px solid rgba(0,212,255,0.15); border-radius: 16px; padding: 2rem; }
.phase-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.phase-badge { background: var(--cyan); color: var(--deep-navy); padding: 0.3rem 0.8rem; border-radius: 20px; font-weight: 700; font-size: 0.8rem; }
.phase-title { font-size: 1.2rem; font-weight: 700; color: #fff; }
.phase-desc { color: rgba(255,255,255,0.7); font-size: 0.95rem; margin-bottom: 1.5rem; }
.phase-items { display: grid; gap: 0.75rem; }
.phase-item { display: flex; align-items: flex-start; gap: 0.75rem; padding: 0.75rem; background: rgba(255,255,255,0.03); border-radius: 8px; }
.phase-item .check { color: var(--cyan); font-weight: 700; flex-shrink: 0; }
.phase-item .text { color: rgba(255,255,255,0.8); font-size: 0.9rem; }
.phase-item .tag { margin-left: auto; font-size: 0.75rem; padding: 0.2rem 0.6rem; border-radius: 10px; font-weight: 600; }
.tag-done { background: rgba(0,212,255,0.2); color: var(--cyan); }
.tag-progress { background: rgba(255,193,7,0.2); color: #ffc107; }
.tag-upcoming { background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.5); }
.tag-core { background: rgba(0,212,255,0.3); color: var(--cyan); }
.tag-community { background: rgba(79,195,247,0.2); color: var(--aqua); }

/* FOOTER */
footer { background: var(--deep-navy); color: rgba(255,255,255,0.4); padding: 2rem; text-align: center; font-size: 0.85rem; }
footer a { color: var(--cyan); text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer .footer-logo { font-weight: 700; font-size: 1rem; color: rgba(255,255,255,0.7); margin-bottom: 0.5rem; }

@media (max-width: 640px) {
  nav ul { gap: 1rem; }
  nav ul li:not(:last-child):not(:nth-child(-n+3)) { display: none; }
}