/* ============================================================
   Intelligence Designed To Evolve — single-viewport landing
   ============================================================ */

@font-face {
  font-family: "Geist Pixel Circle";
  src: url("/zimozo-landing/fonts/GeistPixel-Circle.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --bg: #000000;
  --text: #ffffff;
  --muted: #8e8e8e;
  --nav-text: #2e2e2e;
  --pill-dark: #28282a;
  --sign-in-text: #c8c8c8;
  --nav-shadow: 0 4px 14px rgba(0, 0, 0, 0.16);
  --trust-bg: #28282a;
  --trust-border: rgba(255, 255, 255, 0.4);
  --trust-text: #c4c2c3;
  --font-sans: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-display: "BubbledotICG-FinePos", "Geist Pixel Circle", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ── background video ─────────────────────────────────────── */
.bg {
  position: absolute;
  inset: 0;
  background: #000;
  overflow: hidden;
}
.bg-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  z-index: 0;
}

/* ── page shell ───────────────────────────────────────────── */
.page {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  padding: clamp(16px, 2.4vh, 28px) clamp(14px, 3vw, 32px);
}

.header,
.hero,
.stats,
.menu-overlay,
.menu-sheet { z-index: 1; }

/* ── header ───────────────────────────────────────────────── */
.header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(18px, 2.8vw, 28px);
  width: 100%;
  max-width: 820px;
  flex-shrink: 0;
  animation: slideDown 0.7s cubic-bezier(0.22, 1, 0.36, 1) both;
}

.logo {
  display: grid;
  place-items: center;
  width: clamp(40px, 4.4vw, 46px);
  height: clamp(40px, 4.4vw, 46px);
  flex-shrink: 0;
  background: #fff;
  border-radius: 50%;
  box-shadow: var(--nav-shadow);
  transition: transform 0.25s ease;
}
.logo:hover { transform: scale(1.04); }
.logo img {
  width: 72%;
  height: 72%;
  object-fit: contain;
  display: block;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-around;
  flex: 1;
  max-width: 520px;
  height: clamp(44px, 5.2vw, 48px);
  padding: 4px 8px;
  background: #fff;
  border-radius: 999px;
  box-shadow: var(--nav-shadow);
}

.nav-link {
  position: relative;
  padding: 0 6px;
  color: var(--nav-text);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(13px, 1.4vw, 15px);
  letter-spacing: -0.01em;
  text-decoration: none;
  opacity: 0.5;
  transition: opacity 0.2s ease;
  white-space: nowrap;
}
.nav-link:hover { opacity: 0.75; }
.nav-link.is-active { opacity: 1; }

/* three dots under the active label */
.nav-link.is-active::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  width: 3px;
  height: 3px;
  margin-left: -1.5px;
  border-radius: 50%;
  background: #000;
  box-shadow: -5px 0 0 #000, 5px 0 0 #000;
}

.signin {
  display: inline-flex;
  align-items: center;
  height: clamp(44px, 5.2vw, 48px);
  padding: 0 clamp(16px, 2vw, 22px);
  flex-shrink: 0;
  background: var(--pill-dark);
  color: var(--sign-in-text);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(13px, 1.4vw, 15px);
  letter-spacing: -0.01em;
  text-decoration: none;
  border-radius: 999px;
  box-shadow: var(--nav-shadow);
  transition: background 0.22s ease, color 0.22s ease, transform 0.22s ease;
}
.signin:hover {
  background: #323234;
  color: #fff;
  transform: translateY(-1px);
}

.burger { display: none; }

/* ── hero ─────────────────────────────────────────────────── */
.hero {
  display: flex;
  flex: 1;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100%;
  max-width: 900px;
  text-align: center;
}

/* trust row */
.trust {
  --trust-size: clamp(36px, 4.5vw, 42px);
  display: inline-flex;
  align-items: center;
  margin-bottom: clamp(16px, 2.5vh, 26px);
}

.avatar {
  display: grid;
  place-items: center;
  width: var(--trust-size);
  height: var(--trust-size);
  padding: 5px;
  background: var(--trust-bg);
  border: 1px solid var(--trust-border);
  border-radius: 50%;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.avatar-inner {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  background: #fff;
  border-radius: 50%;
}
.avatar i {
  color: #111;
  font-size: calc(var(--trust-size) * 0.34);
  line-height: 1;
}

.avatar.a1 { z-index: 1; }
.avatar.a2 { z-index: 2; margin-left: calc(var(--trust-size) * -0.42); }
.avatar.a3 { z-index: 4; margin-left: calc(var(--trust-size) * -0.42); }

.trust:hover .a1 { transform: translateY(-2px); }
.trust:hover .a2 { transform: translateY(-4px); }
.trust:hover .a3 { transform: translateY(-2px); }

.trust-pill {
  display: inline-flex;
  align-items: center;
  height: var(--trust-size);
  margin-left: calc(var(--trust-size) * -0.42);
  padding-left: calc(var(--trust-size) * 0.58);
  padding-right: clamp(14px, 1.8vw, 18px);
  background: var(--trust-bg);
  border: 1px solid var(--trust-border);
  border-radius: 999px;
  color: var(--trust-text);
  font-family: var(--font-sans);
  font-weight: 500;
  font-size: clamp(12px, 1.4vw, 13.5px);
  letter-spacing: -0.01em;
  white-space: nowrap;
}

/* headline */
.headline {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  color: #fff;
  font-size: clamp(28px, 6.2vw, 80px);
  letter-spacing: -0.04em;
  line-height: 1.12;
  white-space: nowrap;
  overflow: hidden;
}
.headline .line {
  display: block;
  opacity: 0;
  transform: translateY(14px);
  animation: headlineFade 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.headline .l1 { animation-delay: 0.12s; }
.headline .l2 { animation-delay: 0.3s; }

/* subhead */
.subhead {
  max-width: min(500px, 92%);
  margin: clamp(14px, 2.2vh, 22px) 0 0;
  color: #d0d0d0;
  opacity: 0.8;
  font-family: var(--font-sans);
  font-weight: 400;
  font-size: clamp(calc(13.5px + 2pt), calc(1.55vw + 2pt), calc(16.5px + 2pt));
  line-height: 1.55;
}

/* cta */
.cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: clamp(18px, 2.8vh, 30px);
  padding: clamp(11px, 1.6vh, 13px) clamp(22px, 3vw, 28px);
  background: #fff;
  color: #000;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: clamp(13.5px, 1.5vw, 14.5px);
  letter-spacing: -0.01em;
  text-decoration: none;
  border-radius: 999px;
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.15),
    0 0 22px rgba(255, 255, 255, 0.32),
    0 0 44px rgba(255, 255, 255, 0.12);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.cta:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.25),
    0 0 30px rgba(255, 255, 255, 0.45),
    0 0 60px rgba(255, 255, 255, 0.2);
}

/* ── stats ────────────────────────────────────────────────── */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(10px, 2vw, 24px);
  width: 100%;
  max-width: 920px;
  flex-shrink: 0;
}
.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}
.stat-icon {
  font-family: var(--font-display);
  color: #fff;
  font-size: clamp(22px, 3vw, 33px);
  line-height: 1.1;
}
.stat-value {
  font-family: var(--font-sans);
  color: #fff;
  font-weight: 500;
  font-size: clamp(18px, 2.2vw, 26px);
  letter-spacing: -0.025em;
  font-variant-numeric: tabular-nums;
}
.stat-label {
  color: var(--muted);
  font-family: var(--font-sans);
  font-size: clamp(11px, 1.2vw, 12.5px);
  letter-spacing: -0.01em;
}

/* ── shared entrance ──────────────────────────────────────── */
.anim {
  opacity: 0;
  transform: translateY(22px) scale(0.98);
  filter: blur(6px);
  animation: reveal 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--d, 0s);
}
.anim-pulse {
  opacity: 0;
  transform: translateY(22px) scale(0.98);
  filter: blur(6px);
  animation: revealPulse 0.85s cubic-bezier(0.22, 1, 0.36, 1) forwards;
  animation-delay: var(--d, 0s);
}

@keyframes reveal {
  to { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}
/* the subhead settles at 0.8, not 1 — a plain reveal would override its opacity */
.subhead.anim { animation-name: revealSoft; }
@keyframes revealSoft {
  to { opacity: 0.8; transform: translateY(0) scale(1); filter: blur(0); }
}
@keyframes revealPulse {
  60%  { opacity: 1; transform: translateY(0) scale(1.04); filter: blur(0); }
  100% { opacity: 1; transform: translateY(0) scale(1); filter: blur(0); }
}
@keyframes headlineFade {
  to { opacity: 1; transform: translateY(0); }
}
@keyframes slideDown {
  from { opacity: 0; transform: translateY(-18px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes overlayIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes menuIn {
  from { opacity: 0; transform: translateY(-14px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes linkIn {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── mobile ───────────────────────────────────────────────── */
@media (max-width: 720px) {
  .header {
    justify-content: space-between;
    gap: 0;
    max-width: none;
  }
  .nav, .signin { display: none; }

  .logo { width: 48px; height: 48px; }

  .burger {
    display: grid;
    place-items: center;
    gap: 4px;
    width: 48px;
    height: 48px;
    padding: 0;
    background: var(--pill-dark);
    border: 0;
    border-radius: 50%;
    box-shadow: var(--nav-shadow);
    cursor: pointer;
    transition: background 0.25s ease;
  }
  .burger span {
    display: block;
    width: 18px;
    height: 1.5px;
    background: #fff;
    border-radius: 2px;
    transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1),
                opacity 0.2s ease, background 0.25s ease;
  }
  .burger[aria-expanded="true"] { background: #fff; }
  .burger[aria-expanded="true"] span { background: #111; }
  .burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
  .burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
  .burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

  .menu-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.62);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    animation: overlayIn 0.28s ease both;
  }
  .menu-overlay[hidden], .menu-sheet[hidden] { display: none; }

  .menu-sheet {
    position: fixed;
    top: 84px;
    left: 50%;
    transform: translateX(-50%);
    width: min(92vw, 420px);
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 22px 18px 20px;
    background: #fff;
    border-radius: 28px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
    animation: menuIn 0.38s cubic-bezier(0.22, 1, 0.36, 1) both;
  }
  .menu-link {
    position: relative;
    padding: 13px 10px;
    color: var(--nav-text);
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 16px;
    letter-spacing: -0.01em;
    text-align: center;
    text-decoration: none;
    opacity: 0.55;
    animation: linkIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: calc(0.06s * var(--i, 0) + 0.08s);
  }
  .menu-link.is-active { opacity: 1; }
  .menu-link.is-active::after {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 8px;
    width: 3px;
    height: 3px;
    margin-left: -1.5px;
    border-radius: 50%;
    background: #000;
    box-shadow: -5px 0 0 #000, 5px 0 0 #000;
  }
  .menu-signin {
    margin-top: 10px;
    padding: 14px;
    background: var(--pill-dark);
    color: #fff;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 15px;
    text-align: center;
    text-decoration: none;
    border-radius: 999px;
    animation: linkIn 0.4s cubic-bezier(0.22, 1, 0.36, 1) both;
    animation-delay: calc(0.06s * var(--i, 0) + 0.08s);
  }

  body.menu-open { overflow: hidden; }

  .headline {
    letter-spacing: -0.08em;
    line-height: 1.05;
  }
  .stats { grid-template-columns: repeat(2, 1fr); gap: 16px 10px; }
}

@media (max-width: 700px) and (max-height: 760px) {
  .trust { margin-bottom: clamp(12px, 1.8vh, 18px); }
  .subhead { margin-top: clamp(10px, 1.6vh, 16px); }
  .cta { margin-top: clamp(14px, 2vh, 20px); }
}

@media (max-width: 420px) {
  .trust { --trust-size: 34px; }
  .trust-pill { font-size: 12px; }
  .headline {
    letter-spacing: -0.09em;
    line-height: 1.04;
  }
}

/* ── reduced motion ───────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation: none !important;
    transition: none !important;
  }
  .anim, .anim-pulse, .headline .line, .header {
    opacity: 1 !important;
    transform: none !important;
    filter: none !important;
  }
  .subhead.anim { opacity: 0.8 !important; }
  .headline { color: #fff; }
}