/* ============================================================
   Become Frontier — becomefrontier.org
   Visual system echoes FrontierIQ: Electric Aqua -> Frontier
   Violet on space navy. No external fonts, no CDNs.
   ============================================================ */

:root {
  --violet: #8A6BFF;
  --violet-dark: #6B4BE6;
  --violet-text: #6840FF;
  --violet-soft: #EEE8FF;

  --aqua: #45E6FF;
  --aqua-dark: #2ECFEA;
  --aqua-soft: #DFF9FF;

  --space: #0B0E1A;
  --space-warm: #131B3A;

  --bg: #FFFFFF;
  --bg-alt: #F7F7F9;
  --text: #23262F;
  --text-muted: #5C6070;
  --border: #E5E5EA;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --wrap: 1120px;
  --ease: cubic-bezier(0.2, 0.7, 0.3, 1);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue",
          Arial, "Noto Sans", sans-serif;
}

/* ---------------------------------------------------------- reset */
*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.65;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { line-height: 1.15; margin: 0 0 0.5em; letter-spacing: -0.02em; }
p { margin: 0 0 1em; }
img { max-width: 100%; display: block; }

a { color: var(--violet-text); }
a:focus-visible,
button:focus-visible { outline: 3px solid var(--aqua-dark); outline-offset: 3px; border-radius: 4px; }

.wrap { width: min(100% - 2.5rem, var(--wrap)); margin-inline: auto; }

.skip {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--space); color: #fff; padding: 12px 18px; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

/* ---------------------------------------------------------- nav */
.nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(11, 14, 26, 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; min-height: 66px; }

.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-mark {
  width: 22px; height: 22px; border-radius: 7px; flex: none;
  background: linear-gradient(135deg, var(--aqua), var(--violet));
  box-shadow: 0 0 18px rgba(69, 230, 255, 0.5);
}
.brand-text { color: #fff; font-size: 1.05rem; letter-spacing: -0.02em; font-weight: 400; }
.brand-text strong { font-weight: 700; }

.nav-links { display: flex; align-items: center; gap: 1.6rem; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  color: rgba(255, 255, 255, 0.78); text-decoration: none; font-size: 0.94rem;
  transition: color 0.18s var(--ease);
}
.nav-links a:hover { color: #fff; }
.nav-cta {
  border: 1px solid rgba(255, 255, 255, 0.28); padding: 7px 16px; border-radius: 999px;
  color: #fff !important;
}
.nav-cta:hover { background: rgba(255, 255, 255, 0.1); }

@media (max-width: 820px) {
  .nav-links li:not(:last-child) { display: none; }
}

/* ---------------------------------------------------------- hero */
.hero {
  position: relative; overflow: hidden;
  background: radial-gradient(120% 90% at 15% 0%, var(--space-warm) 0%, var(--space) 62%);
  color: #fff;
  padding: clamp(4.5rem, 11vw, 8.5rem) 0 clamp(4rem, 9vw, 7rem);
}
.hero-inner { position: relative; z-index: 2; max-width: 880px; }

.hero-glow {
  position: absolute; inset: auto -10% -55% 30%;
  height: 620px;
  background: radial-gradient(closest-side, rgba(138, 107, 255, 0.42), transparent 72%);
  filter: blur(10px); pointer-events: none;
}

.eyebrow {
  text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.76rem; font-weight: 700;
  color: var(--aqua); margin: 0 0 1.1rem;
}
.eyebrow--dark { color: var(--violet-text); }

.hero h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 800;
  margin-bottom: 1.1rem;
}
.grad {
  background: linear-gradient(100deg, var(--aqua) 0%, var(--violet) 78%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}

.lede {
  font-size: clamp(1.05rem, 1.9vw, 1.24rem);
  color: rgba(255, 255, 255, 0.8);
  max-width: 60ch; margin-bottom: 2rem;
}
.lede--tight { max-width: 66ch; }

/* ---------------------------------------------------------- buttons */
.cta-row { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.cta-row--center { justify-content: center; }

.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 14px 26px; border-radius: 999px;
  font-size: 1rem; font-weight: 600; text-decoration: none;
  min-height: 48px;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), background 0.18s var(--ease);
}
.btn-primary {
  background: linear-gradient(100deg, var(--aqua) 0%, var(--violet) 85%);
  color: var(--space);
  box-shadow: 0 10px 28px rgba(138, 107, 255, 0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(138, 107, 255, 0.45); }
.btn-ghost { border: 1px solid rgba(255, 255, 255, 0.32); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.1); }

.sec:not(.sec--dark):not(.sec--cta) .btn-ghost { border-color: var(--border); color: var(--text); }
.sec:not(.sec--dark):not(.sec--cta) .btn-ghost:hover { background: var(--bg-alt); }

/* ---------------------------------------------------------- stat band */
.band { background: var(--space-warm); color: #fff; padding: clamp(3rem, 6vw, 4.5rem) 0; }
.band-grid { display: grid; gap: 1.4rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.band-item {
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 1.6rem 1.5rem;
  background: rgba(255, 255, 255, 0.035);
}
.band-item--hero {
  border-color: rgba(69, 230, 255, 0.45);
  background: linear-gradient(160deg, rgba(69, 230, 255, 0.12), rgba(138, 107, 255, 0.1));
}
.band-num {
  font-size: clamp(2.4rem, 5vw, 3.2rem); font-weight: 800; line-height: 1;
  background: linear-gradient(100deg, var(--aqua), var(--violet));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.band-num span { font-size: 0.5em; }
.band-h { font-size: 1.05rem; text-transform: uppercase; letter-spacing: 0.1em; margin: 0.7rem 0 0.5rem; }
.band-item p { color: rgba(255, 255, 255, 0.72); font-size: 0.96rem; margin: 0; }
.band-note { color: rgba(255, 255, 255, 0.5); font-size: 0.88rem; margin: 1.6rem auto 0; }

/* ---------------------------------------------------------- sections */
.sec { padding: clamp(4rem, 9vw, 7rem) 0; }
.sec--alt { background: var(--bg-alt); }
.sec--dark { background: var(--space); color: #fff; }
.sec--cta {
  background: radial-gradient(110% 130% at 50% 0%, var(--space-warm), var(--space) 70%);
  color: #fff; text-align: center;
}

.sec-h { font-size: clamp(1.8rem, 4vw, 2.7rem); font-weight: 800; max-width: 22ch; }
.sec-h--light { color: #fff; }
.sec--cta .sec-h { max-width: none; }
.sec--cta .lede { margin-inline: auto; }

.prose { max-width: 68ch; }
.prose p { color: var(--text-muted); font-size: 1.06rem; }
.sec--dark .prose p { color: rgba(255, 255, 255, 0.78); }
.prose strong { color: var(--text); }

.fine { font-size: 0.84rem; color: var(--text-muted); max-width: 62ch; }
.sec--dark .fine { color: rgba(255, 255, 255, 0.5); }

/* ---------------------------------------------------------- cards */
.cards {
  display: grid; gap: 1.3rem; margin-top: 2.8rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.card {
  border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 1.7rem 1.6rem; background: #fff;
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease), border-color 0.2s var(--ease);
}
.card:hover {
  transform: translateY(-3px);
  border-color: var(--violet);
  box-shadow: 0 14px 34px rgba(11, 14, 26, 0.08);
}
.card-ico { color: var(--aqua-dark); font-size: 1.1rem; margin-bottom: 0.7rem; }
.card h3 { font-size: 1.16rem; font-weight: 700; }
.card p { color: var(--text-muted); font-size: 0.98rem; margin: 0; }

/* ---------------------------------------------------------- FrontierIQ */
.fiq-grid {
  display: grid; gap: clamp(2rem, 5vw, 3.5rem); margin-top: 2.8rem;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  align-items: center;
}
@media (max-width: 900px) { .fiq-grid { grid-template-columns: 1fr; } }

.feat { list-style: none; margin: 0 0 2rem; padding: 0; display: grid; gap: 1.1rem; }
.feat li {
  color: rgba(255, 255, 255, 0.75); font-size: 1rem;
  padding-left: 1.7rem; position: relative;
}
.feat li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 9px; height: 9px; border-radius: 3px;
  background: linear-gradient(135deg, var(--aqua), var(--violet));
}
.feat strong { color: #fff; }

/* phone mock */
.fiq-visual { display: flex; justify-content: center; }
.phone {
  width: min(320px, 100%);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 30px;
  padding: 1.4rem 1.2rem 1.6rem;
  background: linear-gradient(165deg, rgba(138, 107, 255, 0.16), rgba(11, 14, 26, 0.65));
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.5);
}
.phone-top { display: flex; gap: 0.5rem; margin-bottom: 1rem; }
.chip {
  font-size: 0.8rem; font-weight: 700; padding: 5px 11px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.1); color: #fff;
}
.phone-bar {
  height: 12px; border-radius: 999px; background: rgba(255, 255, 255, 0.13);
  overflow: hidden; margin-bottom: 1.3rem;
}
.phone-bar-fill {
  display: block; height: 100%; width: 72%; border-radius: 999px;
  background: linear-gradient(90deg, var(--aqua), var(--violet));
}
.phone-q { color: #fff; font-weight: 600; font-size: 0.98rem; margin-bottom: 1rem; }
.phone-opt {
  border: 2px solid var(--aqua); border-radius: var(--radius-sm);
  padding: 11px 14px; margin-bottom: 0.6rem; font-size: 0.92rem;
  color: #fff; background: rgba(69, 230, 255, 0.14);
}
.phone-opt--dim { border-color: rgba(255, 255, 255, 0.16); background: transparent; color: rgba(255, 255, 255, 0.6); }
.phone-xp {
  margin-top: 1rem; text-align: center; font-weight: 700; font-size: 0.9rem;
  color: var(--aqua);
}

/* ---------------------------------------------------------- steps */
.steps {
  list-style: none; counter-reset: s; margin: 2.8rem 0 0; padding: 0;
  display: grid; gap: 1.3rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.steps li {
  border-top: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--aqua), var(--violet)) 1;
  padding-top: 1.2rem;
}
.step-n {
  display: block; font-size: 0.82rem; font-weight: 800; letter-spacing: 0.14em;
  color: var(--violet-text); margin-bottom: 0.6rem;
}
.steps h3 { font-size: 1.1rem; font-weight: 700; }
.steps p { color: var(--text-muted); font-size: 0.97rem; margin: 0; }

/* ---------------------------------------------------------- about */
.about-grid {
  display: grid; gap: clamp(2rem, 5vw, 3.5rem);
  grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.65fr);
}
@media (max-width: 900px) { .about-grid { grid-template-columns: 1fr; } }

.side {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 1.7rem 1.6rem; align-self: start;
}
.side h3 { font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.13em; color: var(--text-muted); }
.tags { list-style: none; margin: 1rem 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tags li {
  font-size: 0.88rem; padding: 6px 13px; border-radius: 999px;
  background: var(--violet-soft); color: var(--violet-text); font-weight: 600;
}

.connect-inner { max-width: 720px; margin-inline: auto; }

/* ---------------------------------------------------------- footer */
.foot { background: var(--space); color: rgba(255, 255, 255, 0.6); padding: 2.2rem 0; font-size: 0.9rem; }
.foot-inner { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
.foot p { margin: 0; }
.foot-links { display: flex; gap: 1.4rem; }
.foot a { color: rgba(255, 255, 255, 0.72); text-decoration: none; }
.foot a:hover { color: #fff; text-decoration: underline; }