/* T3A — /sobre/ — institutional about page */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,100..1000;1,9..40,100..1000&display=swap');

:root {
  --bg: #000d24;
  --bg-alt: #001535;
  --bg-card: rgba(255, 255, 255, 0.03);
  --border: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(75, 196, 242, 0.3);
  --text: #fff;
  --text-dim: rgba(255, 255, 255, 0.65);
  --text-muted: rgba(255, 255, 255, 0.42);
  --accent: #4bc4f2;
  --accent-deep: #1e4b8f;
  --max: 1080px;
  --pad: clamp(20px, 4vw, 48px);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'DM Sans', system-ui, -apple-system, sans-serif;
  font-feature-settings: "ss01", "cv11";
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; }

/* === Nav === */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(0, 13, 36, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: var(--max);
  margin: 0 auto;
  padding: 16px var(--pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.nav-logo { display: inline-flex; align-items: center; gap: 8px; text-decoration: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-dim);
  font-size: 14px;
  font-weight: 500;
  transition: color .2s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--text); }
.t3a-nav-cta {
  padding: 9px 18px;
  border-radius: 100px;
  background: var(--accent);
  color: #000d24 !important;
  font-weight: 600 !important;
}
.t3a-nav-cta:hover { background: #6bd0f5; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  width: 32px;
  height: 32px;
  flex-direction: column;
  justify-content: space-around;
  padding: 6px 0;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .3s ease, opacity .2s ease;
}
.nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    padding: 16px var(--pad);
    background: var(--bg);
    border-bottom: 1px solid var(--border);
    gap: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s ease;
  }
  .nav-links.open { max-height: 500px; }
  .nav-links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
  }
  .nav-links a:last-child { border-bottom: 0; }
  .t3a-nav-cta { margin-top: 8px; text-align: center; }
}

/* === HERO === */
.sobre-hero {
  padding: clamp(80px, 12vw, 140px) var(--pad) clamp(40px, 6vw, 72px);
  position: relative;
  overflow: hidden;
}
.sobre-hero::before {
  content: '';
  position: absolute;
  top: -200px;
  left: 50%;
  transform: translateX(-50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(75, 196, 242, 0.12) 0%, transparent 60%);
  filter: blur(60px);
  pointer-events: none;
}
.sobre-hero__inner {
  max-width: var(--max);
  margin: 0 auto;
  position: relative;
}
.kicker {
  display: inline-block;
  margin: 0 0 18px;
  padding: 6px 14px;
  border-radius: 100px;
  border: 1px solid rgba(75, 196, 242, 0.25);
  background: rgba(75, 196, 242, 0.06);
  color: var(--accent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.4px;
  text-transform: uppercase;
}
.sobre-hero h1 {
  margin: 0 0 28px;
  font-size: clamp(36px, 5.4vw, 60px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 22ch;
}
.sobre-hero__lead {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 20px);
  line-height: 1.65;
  color: var(--text-dim);
  max-width: 64ch;
}
.sobre-hero__lead strong {
  color: var(--text);
  font-weight: 600;
}

/* === FACTS GRID === */
.sobre-facts {
  padding: clamp(40px, 6vw, 64px) var(--pad);
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.sobre-facts__grid {
  max-width: var(--max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
}
@media (max-width: 900px) { .sobre-facts__grid { grid-template-columns: repeat(2, 1fr); } }
.fact {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 24px;
  background: var(--bg-alt);
  min-height: 88px;
}
.fact__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--accent);
}
.fact__value {
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.4;
}

/* === SECTIONS === */
.sobre-section {
  padding: clamp(56px, 8vw, 96px) var(--pad);
  max-width: var(--max);
  margin: 0 auto;
}
.sobre-section h2 {
  margin: 0 0 28px;
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.sobre-section p {
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.75;
  color: var(--text-dim);
  max-width: 70ch;
}
.sobre-section p strong { color: var(--text); font-weight: 600; }

/* === CARDS === */
.sobre-cards {
  margin-top: 36px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 768px) { .sobre-cards { grid-template-columns: 1fr; } }
.sobre-card {
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  transition: border-color .3s ease, transform .3s ease;
}
.sobre-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-3px);
}
.sobre-card h3 {
  margin: 0 0 12px;
  font-size: 19px;
  font-weight: 600;
  color: var(--text);
}
.sobre-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-dim);
}

/* === STEPS === */
.sobre-steps {
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 16px;
}
.sobre-steps li {
  counter-increment: step;
  position: relative;
  padding: 24px 28px 24px 80px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
}
.sobre-steps li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 28px;
  top: 24px;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  font-feature-settings: "tnum";
  letter-spacing: -0.02em;
}
.sobre-steps li h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 600;
}
.sobre-steps li p {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-dim);
}
@media (max-width: 600px) {
  .sobre-steps li { padding: 56px 22px 22px; }
  .sobre-steps li::before { top: 22px; left: 22px; }
}

/* === FAQ === */
.sobre-faq details {
  border-top: 1px solid var(--border);
  padding: 22px 0;
}
.sobre-faq details:last-of-type { border-bottom: 1px solid var(--border); }
.sobre-faq summary {
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  transition: color .2s ease;
}
.sobre-faq summary::-webkit-details-marker { display: none; }
.sobre-faq summary::after {
  content: '+';
  font-size: 24px;
  font-weight: 300;
  color: var(--accent);
  transition: transform .25s ease;
  flex-shrink: 0;
}
.sobre-faq details[open] summary::after { transform: rotate(45deg); }
.sobre-faq summary:hover { color: var(--accent); }
.sobre-faq details p {
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-dim);
  max-width: 75ch;
}

/* === CTA === */
.sobre-cta {
  padding: clamp(64px, 10vw, 112px) var(--pad);
  background: linear-gradient(180deg, transparent 0%, rgba(75, 196, 242, 0.04) 100%);
  border-top: 1px solid var(--border);
  text-align: center;
}
.sobre-cta__inner {
  max-width: 720px;
  margin: 0 auto;
}
.sobre-cta h2 {
  margin: 0 0 16px;
  font-size: clamp(28px, 3.8vw, 40px);
  font-weight: 700;
  letter-spacing: -0.015em;
  line-height: 1.2;
}
.sobre-cta p {
  margin: 0 0 32px;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-dim);
}
.sobre-cta__buttons {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.cta-primary, .cta-secondary {
  display: inline-flex;
  align-items: center;
  padding: 14px 26px;
  border-radius: 100px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.cta-primary {
  background: var(--accent);
  color: #000d24;
}
.cta-primary:hover { background: #6bd0f5; transform: translateY(-2px); }
.cta-secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.cta-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* === Footer === */
footer {
  padding: 36px var(--pad) 32px;
  text-align: center;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
footer p {
  margin: 0 0 12px;
  font-size: 13px;
  color: var(--text-muted);
}
footer nav {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}
footer nav a {
  font-size: 12px;
  color: var(--text-muted);
  text-decoration: none;
  transition: color .2s ease;
}
footer nav a:hover { color: var(--accent); }