/* =============================================
   Tank Logic — about.css
   Shared styles for about.html and contact.html
   Premium Framer/Webflow aesthetic
   ============================================= */

/* ── NAV (matches home.css) ──────────────────── */
.nav__right { display: flex; align-items: center; gap: 10px; }
.nav__hamburger {
  display: flex; flex-direction: column; gap: 4px;
  background: none; border: 1px solid var(--border);
  border-radius: var(--r-md); padding: 9px 10px;
  cursor: pointer; transition: border-color var(--t);
}
.nav__hamburger span {
  display: block; width: 16px; height: 1.5px;
  background: var(--tx-lo); border-radius: 2px;
  transition: background var(--t);
}
.nav__hamburger:hover { border-color: var(--border-mid); }
.nav__hamburger:hover span { background: var(--tx); }

/* ── HERO ─────────────────────────────────────── */
.about-hero {
  position: relative;
  padding-top: calc(var(--nav-h) + 88px);
  padding-bottom: 80px;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.about-hero__bg {
  position: absolute; inset: 0; pointer-events: none;
}
.about-hero__glow {
  position: absolute;
  width: 600px; height: 400px;
  top: -100px; left: 50%; transform: translateX(-55%);
  border-radius: 50%;
  filter: blur(100px);
  background: radial-gradient(ellipse, rgba(0,200,150,0.07) 0%, transparent 70%);
}
.about-hero__glow--blue {
  background: radial-gradient(ellipse, rgba(77,148,255,0.07) 0%, transparent 70%);
}

.about-hero__inner {
  position: relative; z-index: 1; max-width: 620px;
}

.about-hero__kicker {
  font-size: var(--sz-11); font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 16px;
}

.about-hero--contact .about-hero__kicker { color: var(--blue); }

.about-hero__h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 700; letter-spacing: -0.04em;
  line-height: 1.1; color: var(--tx-hi);
  margin-bottom: 20px;
}

.about-hero__accent {
  background: linear-gradient(135deg, var(--accent) 0%, #38d9b4 50%, #4d94ff 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-hero__accent--blue {
  background: linear-gradient(135deg, #4d94ff 0%, #38d9b4 100%);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

.about-hero__sub {
  font-size: var(--sz-16); color: var(--tx-lo);
  line-height: 1.68; max-width: 520px;
  letter-spacing: -0.006em; margin-bottom: 24px;
}

/* Contact hero email pill */
.contact-hero-email {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: var(--sz-14); font-weight: 500;
  color: var(--tx); text-decoration: none;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: 10px 16px;
  transition: border-color var(--t), color var(--t), background var(--t);
}
.contact-hero-email:hover {
  border-color: rgba(77,148,255,0.3);
  color: var(--tx-hi); background: rgba(77,148,255,0.04);
}

/* ── STATS BAR ───────────────────────────────── */
.about-stats-bar {
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.008);
  padding-block: 22px;
}
.about-stats-row {
  display: flex; flex-wrap: wrap;
  align-items: center; gap: 0;
}
.about-stat {
  display: flex; flex-direction: column; gap: 2px;
  padding: 8px 28px 8px 0; margin-right: 28px;
}
.about-stat:last-child { padding-right: 0; margin-right: 0; }
.about-stat__num {
  font-size: var(--sz-20); font-weight: 700;
  color: var(--tx-hi); letter-spacing: -0.03em; line-height: 1;
  font-variant-numeric: tabular-nums;
}
.about-stat__label { font-size: var(--sz-11); color: var(--tx-xlo); font-weight: 500; }
.about-stat__sep {
  width: 1px; height: 28px; background: var(--border);
  flex-shrink: 0; margin-right: 28px;
}

/* ── LAYOUT ──────────────────────────────────── */
.about-content { padding-block: 72px; }

.about-grid {
  display: grid; grid-template-columns: 1fr;
  gap: 44px; align-items: start;
}

/* ── BODY SECTIONS ───────────────────────────── */
.about-body { min-width: 0; }

.about-section { margin-bottom: 56px; }
.about-section:last-child { margin-bottom: 0; }

.about-section__kicker {
  font-size: var(--sz-10); font-weight: 700;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 10px;
}

.about-section__title {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700; letter-spacing: -0.028em;
  line-height: 1.2; color: var(--tx-hi);
  margin-bottom: 18px;
}

.about-section p {
  font-size: var(--sz-15); color: var(--tx);
  line-height: 1.8; margin-bottom: 16px;
  letter-spacing: -0.004em;
}
.about-section p:last-child { margin-bottom: 0; }
.about-section a { color: var(--blue); text-decoration: underline; text-underline-offset: 2px; }
.about-section a:hover { color: var(--accent); }

/* ── ABOUT FEATURES ──────────────────────────── */
.about-features {
  display: flex; flex-direction: column; gap: 1px;
  background: var(--border); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden;
  margin-top: 4px;
}

.about-feature {
  display: flex; align-items: flex-start; gap: 16px;
  background: var(--bg-1); padding: 20px 22px;
  transition: background 160ms;
}
.about-feature:hover { background: rgba(255,255,255,0.012); }

.about-feature__icon {
  width: 36px; height: 36px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.about-feature__icon--teal   { background: rgba(0,200,150,0.1);  color: var(--accent); }
.about-feature__icon--blue   { background: rgba(77,148,255,0.1); color: var(--blue);   }
.about-feature__icon--gold   { background: rgba(240,168,48,0.1); color: var(--gold);   }
.about-feature__icon--purple { background: rgba(167,139,250,0.1);color: var(--purple); }

.about-feature__title {
  font-size: var(--sz-14); font-weight: 600;
  color: var(--tx-hi); letter-spacing: -0.014em;
  margin-bottom: 5px;
}
.about-feature__desc {
  font-size: var(--sz-13); color: var(--tx-lo);
  line-height: 1.65; margin: 0;
}

/* ── CONTACT REASONS ─────────────────────────── */
.contact-reasons {
  display: flex; flex-direction: column; gap: 1px;
  background: var(--border); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden; margin-top: 4px;
}

.contact-reason {
  display: flex; align-items: flex-start; gap: 14px;
  background: var(--bg-1); padding: 20px 22px;
  transition: background 160ms;
}
.contact-reason:hover { background: rgba(255,255,255,0.012); }

.contact-reason__icon {
  width: 32px; height: 32px; border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; margin-top: 1px;
}
.contact-reason__icon--red    { background: rgba(248,113,113,0.1); color: var(--red); }
.contact-reason__icon--teal   { background: rgba(0,200,150,0.1);   color: var(--accent); }
.contact-reason__icon--blue   { background: rgba(77,148,255,0.1);  color: var(--blue); }
.contact-reason__icon--gold   { background: rgba(240,168,48,0.1);  color: var(--gold); }

.contact-reason__title {
  font-size: var(--sz-14); font-weight: 600;
  color: var(--tx-hi); letter-spacing: -0.014em; margin-bottom: 6px;
}
.contact-reason__desc {
  font-size: var(--sz-13); color: var(--tx-lo);
  line-height: 1.65; margin: 0;
}

/* ── CONTACT EMAIL BLOCK ─────────────────────── */
.contact-email-block {
  display: flex; align-items: flex-start; gap: 18px;
  background: linear-gradient(135deg, rgba(77,148,255,0.04), var(--bg-1));
  border: 1px solid rgba(77,148,255,0.15);
  border-radius: 14px; padding: 22px 24px;
  margin-bottom: 48px;
  transition: border-color 160ms;
}
.contact-email-block:hover { border-color: rgba(77,148,255,0.28); }

.contact-email-block__icon {
  width: 44px; height: 44px;
  background: rgba(77,148,255,0.1); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--blue); flex-shrink: 0;
}
.contact-email-block__label {
  font-size: var(--sz-11); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--tx-lo); margin-bottom: 5px;
}
.contact-email-block__addr {
  display: block; font-size: var(--sz-17); font-weight: 600;
  color: var(--blue); text-decoration: none;
  letter-spacing: -0.015em; margin-bottom: 8px;
  transition: color var(--t);
}
.contact-email-block__addr:hover { color: var(--accent); }
.contact-email-block__note {
  font-size: var(--sz-12); color: var(--tx-lo);
  line-height: 1.55; margin: 0;
}

/* ── FAQ (contact page) ──────────────────────── */
.contact-faq {
  display: flex; flex-direction: column; gap: 1px;
  background: var(--border); border: 1px solid var(--border);
  border-radius: 14px; overflow: hidden; margin-top: 4px;
}

.contact-faq-item {
  background: var(--bg-1);
}
.contact-faq-item[open] { background: rgba(255,255,255,0.01); }

.contact-faq-q {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; padding: 17px 20px; cursor: pointer;
  font-size: var(--sz-14); font-weight: 600;
  color: var(--tx-hi); letter-spacing: -0.012em;
  list-style: none; user-select: none;
  transition: color 140ms;
}
.contact-faq-q::-webkit-details-marker { display: none; }
.contact-faq-q:hover { color: var(--accent); }

.contact-faq-chevron {
  color: var(--tx-lo); flex-shrink: 0;
  transition: transform 200ms var(--ease);
}
details[open] .contact-faq-chevron { transform: rotate(180deg); }

.contact-faq-a {
  padding: 0 20px 16px;
  border-top: 1px solid var(--border);
}
.contact-faq-a p {
  font-size: var(--sz-14); color: var(--tx);
  line-height: 1.7; padding-top: 14px; margin: 0;
}

/* ── ABOUT CONTACT CTA ───────────────────────── */
.about-contact-cta {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: 14px; padding: 28px;
  margin-top: 56px;
}
.about-contact-cta__title {
  font-size: var(--sz-18); font-weight: 700;
  color: var(--tx-hi); letter-spacing: -0.022em; margin-bottom: 8px;
}
.about-contact-cta__sub {
  font-size: var(--sz-14); color: var(--tx-lo);
  line-height: 1.65; margin-bottom: 16px;
}
.about-contact-cta__email {
  display: inline-flex; align-items: center; gap: 9px;
  font-size: var(--sz-14); color: var(--accent);
  text-decoration: none; font-weight: 500;
}
.about-contact-cta__email:hover { text-decoration: underline; }
.about-contact-cta__email a { color: inherit; text-decoration: none; }

/* ── SIDEBAR ─────────────────────────────────── */
.about-sidebar {
  display: flex; flex-direction: column; gap: 14px;
}

.about-sidebar-card {
  background: var(--bg-1); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px;
}
.about-sidebar-card--email {
  background: linear-gradient(135deg, rgba(0,200,150,0.03), var(--bg-1));
  border-color: rgba(0,200,150,0.14);
}

.about-sidebar-card__kicker {
  font-size: var(--sz-10); font-weight: 700;
  letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--tx-lo); margin-bottom: 7px;
}
.about-sidebar-card__title {
  font-size: var(--sz-14); font-weight: 600;
  color: var(--tx-hi); letter-spacing: -0.014em;
  margin-bottom: 14px;
}
.about-sidebar-card__note {
  font-size: var(--sz-12); color: var(--tx-lo);
  line-height: 1.55; margin-top: 5px;
}

/* Sidebar links */
.about-sidebar-links {
  display: flex; flex-direction: column;
  gap: 2px; list-style: none; padding: 0;
}
.about-sidebar-link {
  display: flex; align-items: center; gap: 9px;
  padding: 8px 9px; border-radius: var(--r-md);
  text-decoration: none; color: var(--tx-lo);
  font-size: var(--sz-13); font-weight: 500;
  letter-spacing: -0.008em;
  transition: background 130ms, color 130ms;
}
.about-sidebar-link:hover {
  background: var(--bg-2); color: var(--tx-hi);
}

.about-sidebar-link__icon {
  width: 24px; height: 24px; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: transform 160ms var(--ease);
}
.about-sidebar-link:hover .about-sidebar-link__icon { transform: scale(1.06); }

.about-sidebar-link__icon--teal   { background: rgba(0,200,150,0.1);  color: var(--accent); }
.about-sidebar-link__icon--blue   { background: rgba(77,148,255,0.1); color: var(--blue);   }
.about-sidebar-link__icon--gold   { background: rgba(240,168,48,0.1); color: var(--gold);   }
.about-sidebar-link__icon--purple { background: rgba(167,139,250,0.1);color: var(--purple); }

.about-sidebar-link__dot {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--tx-xlo); flex-shrink: 0;
  transition: background 130ms;
}
.about-sidebar-link:hover .about-sidebar-link__dot { background: var(--accent); }

.about-sidebar-link__label { flex: 1; min-width: 0; }
.about-sidebar-link__arrow { font-size: 0.8rem; opacity: 0.4; transition: opacity 130ms, transform 130ms; }
.about-sidebar-link:hover .about-sidebar-link__arrow { opacity: 1; transform: translateX(2px); }

.about-sidebar-email__addr {
  display: block; font-size: var(--sz-15); font-weight: 600;
  color: var(--accent); text-decoration: none;
  letter-spacing: -0.01em; margin-bottom: 2px;
}
.about-sidebar-email__addr:hover { text-decoration: underline; }
.about-sidebar-email__btn { margin-top: 12px; width: 100%; justify-content: center; }

/* ── FOOTER OVERRIDES (match homepage) ───────── */
.footer__inner {
  display: grid; grid-template-columns: 1fr;
  gap: 40px; padding-bottom: 44px;
}
.footer__tagline {
  font-size: var(--sz-13); color: var(--tx-lo);
  line-height: 1.65; margin-top: 10px; margin-bottom: 10px;
}
.footer__email {
  font-size: var(--sz-12); color: var(--tx-lo);
  text-decoration: none; transition: color var(--t);
}
.footer__email:hover { color: var(--accent); }
.footer__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.footer__col h4 {
  font-size: var(--sz-10); font-weight: 700;
  letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--tx-lo); margin-bottom: 14px;
}
.footer__col ul { display: flex; flex-direction: column; gap: 9px; list-style: none; }
.footer__col a { font-size: var(--sz-13); color: var(--tx-lo); text-decoration: none; transition: color var(--t); }
.footer__col a:hover { color: var(--tx); }
.footer__bottom {
  display: flex; flex-direction: column; gap: 4px;
  padding-top: 22px; border-top: 1px solid var(--border);
  font-size: var(--sz-11); color: var(--tx-xlo);
}
.footer__bottom-right { display: flex; gap: 16px; }
.footer__bottom-right a { color: var(--tx-xlo); text-decoration: none; transition: color var(--t); }
.footer__bottom-right a:hover { color: var(--tx-lo); }

/* ── RESPONSIVE ──────────────────────────────── */
@media (min-width: 860px) {
  .about-grid { grid-template-columns: 1fr 288px; }
  .footer__inner { grid-template-columns: 1fr 2fr; gap: 56px; }
  .footer__cols { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 640px) {
  .about-stats-row { flex-wrap: nowrap; }
  .footer__cols { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
  .about-hero { padding-top: calc(var(--nav-h) + 56px); padding-bottom: 52px; }
  .about-hero__h1 { font-size: 2rem; }
  .about-stat__sep { display: none; }
  .about-stat { padding-right: 16px; margin-right: 16px; }
  .about-content { padding-block: 48px; }
  .about-feature, .contact-reason { gap: 12px; padding: 16px 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .about-feature, .contact-reason,
  .about-sidebar-link { transition: none !important; }
}