/* ============================================================
   NEXFORMS — sobre/styles.css · Tema "AURORA / GLASS"
   Página Sobre / Fundador. Claro por padrão · dark no toggle (.dark).
   ============================================================ */

:root {
  --a-bg: #f5f6fb; --a-text: #0f1222; --a-muted: #565b73; --a-faint: #8b90a6;
  --a-violet: #7c3aed; --a-blue: #2563eb; --a-cyan: #06b6d4;
  --a-grad: linear-gradient(135deg, #7c3aed 0%, #4f46e5 45%, #2563eb 100%);
  --glass-bg: rgba(255,255,255,0.55); --glass-brd: rgba(255,255,255,0.85);
  --glass-shadow: 0 14px 44px rgba(37,27,90,0.10);
  --chip-bg: rgba(124,58,237,0.07); --chip-brd: rgba(124,58,237,0.16);
  --nav-bg: rgba(245,246,251,0.72);
}
body.dark {
  --a-bg: #080b16; --a-text: #f3f4fb; --a-muted: #a3a9c2; --a-faint: #6b7192;
  --glass-bg: rgba(255,255,255,0.05); --glass-brd: rgba(255,255,255,0.10);
  --glass-shadow: 0 14px 44px rgba(0,0,0,0.45);
  --chip-bg: rgba(139,92,246,0.14); --chip-brd: rgba(139,92,246,0.30);
  --nav-bg: rgba(8,11,22,0.72);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  min-height: 100vh; color: var(--a-text);
  font-family: 'Geist', system-ui, sans-serif; overflow-x: hidden;
  background:
    radial-gradient(58rem 42rem at 12% -8%, rgba(124,58,237,0.20), transparent 60%),
    radial-gradient(52rem 40rem at 108% 6%, rgba(37,99,235,0.18), transparent 60%),
    radial-gradient(48rem 42rem at 50% 116%, rgba(6,182,212,0.16), transparent 60%),
    var(--a-bg);
  background-attachment: fixed;
}
body.dark {
  background:
    radial-gradient(58rem 42rem at 12% -8%, rgba(124,58,237,0.34), transparent 60%),
    radial-gradient(52rem 40rem at 108% 6%, rgba(37,99,235,0.30), transparent 60%),
    radial-gradient(48rem 42rem at 50% 116%, rgba(6,182,212,0.22), transparent 60%),
    var(--a-bg);
  background-attachment: fixed;
}
#aurora-canvas { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; }
.sobre, nav, footer { position: relative; z-index: 1; }

/* Navbar */
nav {
  position: fixed; inset: 0 0 auto 0; z-index: 100; padding: 1.1rem 2.5rem;
  display: flex; align-items: center; justify-content: space-between;
  background: var(--nav-bg); backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--chip-brd);
}
.brand { font-weight: 700; font-size: 1.15rem; color: var(--a-text); text-decoration: none; letter-spacing: -0.02em; display: inline-flex; align-items: center; gap: 0.5rem; }
.brand::before { content: ''; width: 0.65rem; height: 0.65rem; border-radius: 50%; background: var(--a-grad); box-shadow: 0 0 14px rgba(124,58,237,0.55); }
.nav-links { display: flex; align-items: center; gap: 2rem; list-style: none; }
.nav-links a { font-size: 0.85rem; font-weight: 500; color: var(--a-muted); text-decoration: none; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.is-active { color: var(--a-violet); }
.btn-nav { font-size: 0.82rem; font-weight: 600; color: #fff !important; background: var(--a-grad); padding: 0.6rem 1.15rem; border-radius: 10px; box-shadow: 0 8px 22px rgba(79,70,229,0.28); }
.nav-right { display: flex; align-items: center; gap: 0.75rem; }
.theme-toggle { background: none; border: none; padding: 0; cursor: pointer; display: flex; }
.tt-track { position: relative; width: 4.6rem; height: 1.75rem; background: color-mix(in srgb, var(--a-text) 8%, transparent); border: 1px solid color-mix(in srgb, var(--a-text) 12%, transparent); border-radius: 2rem; }
.tt-thumb { position: absolute; width: 1.25rem; height: 1.25rem; background: var(--a-grad); border-radius: 50%; top: 50%; left: 0.25rem; transform: translateY(-50%); transition: transform 0.38s cubic-bezier(0.4,0,0.2,1); box-shadow: 0 2px 8px rgba(79,70,229,0.5); z-index: 1; }
body.dark .tt-thumb { transform: translateY(-50%) translateX(2.85rem); }
.tt-moon, .tt-sun { position: absolute; top: 50%; transform: translateY(-50%); font-size: 0.65rem; z-index: 0; }
.tt-sun { left: 0.5rem; color: #f59e0b; opacity: 0.95; } .tt-moon { right: 0.5rem; color: var(--a-faint); opacity: 0.5; }
body.dark .tt-sun { opacity: 0.4; } body.dark .tt-moon { color: #c4b5fd; opacity: 0.95; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--a-text); border-radius: 2px; transition: transform 0.3s, opacity 0.3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Layout */
.sobre { max-width: 780px; margin: 0 auto; padding: 9rem 1.5rem 5rem; }
.section-eyebrow {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.66rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--a-violet); background: var(--chip-bg); border: 1px solid var(--chip-brd);
  padding: 0.35rem 0.8rem; border-radius: 999px;
}

/* Assinatura 3D */
.sig-hero { text-align: center; margin-bottom: 3.5rem; }
.sig-hero .section-eyebrow { margin-bottom: 1.5rem; }
.logo3d-wrap { width: 100%; max-width: 560px; height: 240px; margin: 0 auto 0.5rem; }
#logo3d { width: 100%; height: 100%; display: block; cursor: grab; }
.signature {
  font-family: 'Caveat', cursive; font-size: clamp(2.4rem, 6vw, 3.6rem);
  font-weight: 700; line-height: 1; color: var(--a-text);
  background: var(--a-grad); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sig-role { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--a-faint); margin-top: 0.5rem; }

/* Trajetória */
.traj-card {
  background: var(--glass-bg); border: 1px solid var(--glass-brd);
  backdrop-filter: blur(16px) saturate(150%); box-shadow: var(--glass-shadow);
  border-radius: 22px; padding: 2.5rem;
}
.traj-note { font-family: 'JetBrains Mono', monospace; font-size: 0.68rem; color: var(--a-violet); background: var(--chip-bg); border: 1px dashed var(--chip-brd); border-radius: 8px; padding: 0.5rem 0.75rem; margin-bottom: 1.4rem; }
.traj-lead { font-size: 1.25rem; line-height: 1.6; font-weight: 500; color: var(--a-text); margin-bottom: 1.2rem; letter-spacing: -0.01em; }
.traj-body em { color: var(--a-faint); font-style: italic; }
.traj-body { font-size: 1rem; line-height: 1.8; color: var(--a-muted); margin-bottom: 2rem; }
.traj-marcos { list-style: none; margin-bottom: 2rem; }
.traj-marcos li {
  display: flex; gap: 1rem; align-items: baseline;
  padding: 0.9rem 0; border-bottom: 1px solid color-mix(in srgb, var(--a-text) 8%, transparent);
  font-size: 0.95rem; color: var(--a-muted); line-height: 1.5;
}
.traj-marcos li:last-child { border-bottom: none; }
.marco-ano { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--a-violet); flex-shrink: 0; min-width: 5.5rem; }
.traj-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-primary-nx { font-size: 0.9rem; font-weight: 600; background: var(--a-grad); color: #fff; padding: 0.9rem 1.7rem; border-radius: 12px; text-decoration: none; display: inline-flex; align-items: center; gap: 0.55rem; box-shadow: 0 10px 26px rgba(79,70,229,0.30); transition: transform 0.2s, box-shadow 0.2s; }
.btn-primary-nx:hover { transform: translateY(-2px); box-shadow: 0 16px 36px rgba(79,70,229,0.42); }
.btn-ghost-nx { font-size: 0.9rem; font-weight: 600; color: var(--a-violet); border: 1px solid var(--chip-brd); background: var(--glass-bg); padding: 0.88rem 1.5rem; border-radius: 12px; text-decoration: none; display: inline-flex; align-items: center; gap: 0.5rem; transition: background 0.2s, border-color 0.2s; }
.btn-ghost-nx:hover { background: var(--chip-bg); border-color: var(--a-violet); }

/* Footer */
footer { border-top: 1px solid color-mix(in srgb, var(--a-text) 8%, transparent); padding: 2rem 2.5rem; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
footer p { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--a-faint); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.8rem; color: var(--a-muted); text-decoration: none; transition: color 0.2s; }
.footer-links a:hover { color: var(--a-violet); }

a:focus-visible, button:focus-visible { outline: 2px solid var(--a-violet); outline-offset: 3px; border-radius: 10px; }

/* Responsivo */
@media (max-width: 900px) {
  nav { padding: 1rem 1.5rem; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: flex; flex-direction: column; align-items: flex-start; gap: 1.4rem;
    position: fixed; top: 0; left: 0; right: 0; background: var(--nav-bg);
    backdrop-filter: blur(20px) saturate(160%); padding: 5rem 2rem 2.5rem;
    transform: translateY(-110%); transition: transform 0.35s ease; z-index: 101;
    border-bottom: 1px solid var(--glass-brd);
  }
  .nav-links.open { transform: translateY(0); }
  .nav-links li { width: 100%; }
  .traj-card { padding: 1.8rem; }
  footer { flex-direction: column; align-items: flex-start; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto; } }