/* ==========================================================================
   Aztheon, LLC — styles.css
   Dark, modern (Vercel/Discord-inspired) design system.
   All colors are CSS custom properties; edit the palette in :root below.
   ========================================================================== */

/* ---- Design tokens ------------------------------------------------------- */
:root {
  /* Surfaces */
  --bg:            #0a0b0f;
  --bg-elev:       #101219;
  --card:          #12141c;
  --card-hover:    #171a24;
  --border:        rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.16);

  /* Text */
  --text:      #f4f5f7;
  --text-soft: #b4b8c5;
  --text-mut:  #7c8091;

  /* Accent gradient — "Azure Blue" (blue -> bright blue -> cyan) */
  --a1: #2563eb;
  --a2: #3b82f6;
  --a3: #22d3ee;
  --accent: #60a5fa;
  --grad: linear-gradient(120deg, var(--a1), var(--a2) 55%, var(--a3));
  --grad-soft: linear-gradient(120deg, rgba(37,99,235,.18), rgba(59,130,246,.16) 55%, rgba(34,211,238,.16));

  /* Layout */
  --maxw: 1120px;
  --gutter: clamp(20px, 5vw, 40px);
  --radius: 16px;
  --radius-sm: 10px;
  --nav-h: 68px;

  /* Type */
  --font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Effects */
  --shadow: 0 20px 50px -20px rgba(0, 0, 0, 0.7);
  --glow: 0 0 0 1px var(--border), 0 20px 60px -30px rgba(37, 99, 235, 0.55);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-h) + 16px);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

h1, h2, h3, h4 { line-height: 1.12; letter-spacing: -0.02em; margin: 0; font-weight: 700; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
ul { margin: 0; padding: 0; list-style: none; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 12px;
  z-index: 200;
  background: var(--card);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
}
.skip-link:focus { left: 12px; }

/* ---- Layout helpers ------------------------------------------------------ */
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.section { padding-block: clamp(72px, 11vw, 132px); position: relative; }
.section-head { max-width: 640px; margin-bottom: clamp(36px, 6vw, 60px); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-soft);
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.02);
  margin-bottom: 20px;
}
.eyebrow::before {
  content: "";
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--grad);
}

.section h2 { font-size: clamp(28px, 4.4vw, 44px); }
.section-head p { color: var(--text-soft); font-size: clamp(16px, 1.6vw, 18px); margin-top: 16px; }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---- Buttons ------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .3s var(--ease), background .2s var(--ease), border-color .2s var(--ease);
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }

.btn-primary {
  color: #0a0b0f;
  background: var(--grad);
  background-size: 160% 160%;
  box-shadow: 0 10px 30px -12px rgba(37, 99, 235, 0.7);
  font-weight: 700;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 40px -12px rgba(37, 99, 235, 0.85);
  background-position: 100% 50%;
}

.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
  border-color: var(--border-strong);
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.07); transform: translateY(-2px); border-color: var(--border-strong); }

.btn svg { width: 16px; height: 16px; }

/* ---- Navigation ---------------------------------------------------------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background .3s var(--ease), border-color .3s var(--ease), backdrop-filter .3s var(--ease);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(10, 11, 15, 0.72);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  border-bottom-color: var(--border);
}
.nav .wrap { display: flex; align-items: center; justify-content: space-between; gap: 20px; }

.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 700; font-size: 19px; letter-spacing: -0.02em; }
.brand img { width: 30px; height: 30px; }
.brand span { color: var(--text); }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--text-soft);
  font-size: 15px;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: 9px;
  transition: color .2s, background .2s;
}
.nav-links a:hover { color: var(--text); background: rgba(255, 255, 255, 0.05); }

.nav-cta { display: flex; align-items: center; gap: 12px; }

.nav-toggle {
  display: none;
  width: 42px; height: 42px;
  align-items: center; justify-content: center;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 10px;
  cursor: pointer;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after {
  content: "";
  display: block;
  width: 18px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s var(--ease), opacity .2s;
}
.nav-toggle span::before { transform: translateY(-6px); }
.nav-toggle span::after  { transform: translateY(6px); }
.nav-toggle[aria-expanded="true"] span { background: transparent; }
.nav-toggle[aria-expanded="true"] span::before { transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] span::after  { transform: rotate(-45deg); }

/* ---- Hero ---------------------------------------------------------------- */
.hero { position: relative; padding-top: clamp(72px, 12vw, 132px); padding-bottom: clamp(64px, 10vw, 120px); overflow: hidden; }
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
}
.hero-bg::before {
  content: "";
  position: absolute;
  top: -18%; left: 50%;
  width: min(900px, 120vw); height: min(900px, 120vw);
  transform: translateX(-50%);
  background: radial-gradient(circle at center, rgba(37, 99, 235, 0.28), rgba(34, 211, 238, 0.10) 42%, transparent 68%);
  filter: blur(10px);
}
.hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 78%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, #000 40%, transparent 78%);
}

.hero-inner { max-width: 820px; }
.hero .pill {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 7px 14px 7px 8px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.03);
  font-size: 13.5px; color: var(--text-soft); font-weight: 500;
  margin-bottom: 26px;
}
.hero .pill b {
  font-size: 11px; font-weight: 700; letter-spacing: .05em; text-transform: uppercase;
  color: #0a0b0f; background: var(--grad); padding: 3px 9px; border-radius: 999px;
}
.hero h1 { font-size: clamp(40px, 7.2vw, 74px); font-weight: 800; letter-spacing: -0.035em; }
.hero h1 .grad-text { display: inline; }
.hero-sub {
  margin-top: 24px;
  font-size: clamp(17px, 2vw, 21px);
  color: var(--text-soft);
  max-width: 620px;
}
.hero-actions { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 14px; }

/* ---- Marquee / trust strip ---------------------------------------------- */
.strip { border-block: 1px solid var(--border); background: rgba(255,255,255,0.012); }
.strip .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px 32px; padding-block: 26px; }
.strip-label { font-size: 13px; letter-spacing: .1em; text-transform: uppercase; color: var(--text-mut); font-weight: 600; }
.strip-items { display: flex; flex-wrap: wrap; gap: 14px 26px; }
.strip-items span { color: var(--text-soft); font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 8px; }
.strip-items span::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }

/* ---- Feature cards ------------------------------------------------------- */
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(16px, 2vw, 22px); }
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  transition: transform .35s var(--ease), border-color .35s var(--ease), background .35s var(--ease), box-shadow .35s var(--ease);
  overflow: hidden;
}
.card::after {
  content: "";
  position: absolute; inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: var(--grad);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity .35s var(--ease);
}
.card:hover {
  transform: translateY(-4px);
  background: var(--card-hover);
  box-shadow: var(--shadow);
}
.card:hover::after { opacity: 0.55; }
.card-icon {
  width: 48px; height: 48px;
  display: grid; place-items: center;
  border-radius: 12px;
  background: var(--grad-soft);
  border: 1px solid var(--border);
  margin-bottom: 20px;
  color: #bfdbfe;
}
.card-icon svg { width: 24px; height: 24px; }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card p { color: var(--text-soft); font-size: 15.5px; }

/* ---- About --------------------------------------------------------------- */
.about-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: clamp(28px, 5vw, 64px); align-items: start; }
.about-copy { max-width: 740px; }
.about-copy p { color: var(--text-soft); font-size: clamp(16px, 1.7vw, 18px); }
.about-copy p + p { margin-top: 18px; }
.about-copy h2 { font-size: clamp(28px, 4.4vw, 44px); margin-bottom: 22px; }

.facts {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 26px;
}
.facts li { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.facts li:last-child { border-bottom: 0; }
.facts .k { color: var(--text-mut); font-size: 14px; font-weight: 600; letter-spacing: .02em; }
.facts .v { color: var(--text); font-weight: 600; font-size: 15px; text-align: right; }

/* ---- Contact ------------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(16px, 2vw, 22px); }
.contact-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.contact-card .card-icon { margin-bottom: 6px; }
.contact-card h3 { font-size: 19px; }
.contact-card p, .contact-card address { color: var(--text-soft); font-style: normal; font-size: 15.5px; line-height: 1.7; }
.contact-card a.link { color: var(--text); font-weight: 600; word-break: break-word; }
.contact-card a.link:hover { color: var(--accent); }
.contact-card .btn { margin-top: auto; align-self: flex-start; }

.contact-cta {
  margin-top: clamp(20px, 3vw, 28px);
  text-align: center;
  background: var(--grad-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: clamp(36px, 6vw, 56px);
}
.contact-cta .card-icon { margin: 0 auto 20px; }
.contact-cta h3 { font-size: clamp(24px, 3.6vw, 34px); margin-bottom: 12px; }
.contact-cta p { color: var(--text-soft); max-width: 520px; margin: 0 auto 16px; }
.contact-cta .email { font-size: clamp(18px, 2.4vw, 22px); font-weight: 700; margin-bottom: 28px; }
.contact-cta .email a { color: var(--text); }
.contact-cta .email a:hover { color: var(--accent); }

/* ---- Footer -------------------------------------------------------------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-elev); padding-block: clamp(48px, 7vw, 72px) 32px; }
.footer-top { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.footer-brand .brand { margin-bottom: 16px; }
.footer-brand p { color: var(--text-mut); font-size: 14.5px; max-width: 320px; }
.footer-col h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-mut); margin-bottom: 16px; font-weight: 700; }
.footer-col a { display: block; color: var(--text-soft); padding: 6px 0; font-size: 15px; transition: color .2s; }
.footer-col a:hover { color: var(--text); }
.footer-bottom {
  margin-top: 48px; padding-top: 26px;
  border-top: 1px solid var(--border);
  display: flex; flex-wrap: wrap; gap: 12px 24px;
  align-items: center; justify-content: space-between;
  color: var(--text-mut); font-size: 14px;
}
.footer-bottom a { color: var(--text-mut); }
.footer-bottom a:hover { color: var(--text-soft); }
.footer-legal { display: flex; gap: 22px; }

/* ---- Legal (privacy / terms) pages -------------------------------------- */
.legal { padding-block: clamp(56px, 9vw, 104px); }
.legal-head { max-width: 760px; margin-bottom: 44px; }
.legal-head h1 { font-size: clamp(34px, 6vw, 54px); font-weight: 800; letter-spacing: -0.03em; }
.legal-head .updated { color: var(--text-mut); font-size: 14px; margin-top: 14px; }
.legal-note {
  max-width: 820px;
  background: var(--grad-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 22px;
  color: var(--text-soft);
  font-size: 14.5px;
  margin-bottom: 44px;
}
.legal-note strong { color: var(--text); }
.legal-body { max-width: 820px; }
.legal-body h2 { font-size: clamp(21px, 3vw, 26px); margin-top: 44px; margin-bottom: 14px; }
.legal-body h2:first-child { margin-top: 0; }
.legal-body h3 { font-size: 18px; margin-top: 26px; margin-bottom: 10px; color: var(--text); }
.legal-body p, .legal-body li { color: var(--text-soft); font-size: 16px; }
.legal-body p + p { margin-top: 14px; }
.legal-body ul { margin-top: 12px; display: grid; gap: 10px; }
.legal-body ul li { position: relative; padding-left: 24px; }
.legal-body ul li::before { content: ""; position: absolute; left: 4px; top: 10px; width: 7px; height: 7px; border-radius: 50%; background: var(--grad); }
.legal-body a { color: var(--accent); font-weight: 600; }
.legal-body a:hover { text-decoration: underline; }

/* ---- Reveal animation ---------------------------------------------------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal[data-delay="1"] { transition-delay: .08s; }
.reveal[data-delay="2"] { transition-delay: .16s; }
.reveal[data-delay="3"] { transition-delay: .24s; }

/* ---- Responsive ---------------------------------------------------------- */
@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 720px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: inline-flex; }

  .nav.open { background: rgba(10, 11, 15, 0.96); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom-color: var(--border); }
  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: var(--nav-h); left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    padding: 14px var(--gutter) 22px;
    background: rgba(10, 11, 15, 0.98);
    border-bottom: 1px solid var(--border);
  }
  .nav.open .nav-links a { padding: 13px 12px; font-size: 16px; border-radius: 10px; }

  .cards { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .footer-top { grid-template-columns: 1fr; }
  .hero-actions .btn { width: 100%; }
  .strip .wrap { flex-direction: column; align-items: flex-start; }
}

/* ---- Reduced motion ------------------------------------------------------ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
  .reveal { opacity: 1; transform: none; }
}