/* ═══════════════════════════════════════════════════════════
   BridgeInvest — BASE DESIGN SYSTEM
   Aesthetic: Modern premium finance — clean whites, deep navy, minimal
   Fonts: Playfair Display (display) + Outfit (body) + Space Mono
   ═══════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,700;1,400;1,500&family=Outfit:wght@300;400;500;600&family=Space+Mono:wght@400;700&display=swap');

*, *::before, *::after {
  margin: 0; padding: 0;
  box-sizing: border-box;
  text-decoration: none;
  border: none; outline: none;
}

:root {
  /* Navy palette */
  --navy:       #0a1628;
  --navy-2:     #0f1f3d;
  --navy-3:     #162444;
  --navy-4:     #1e2f52;
  --navy-5:     #253660;

  /* White/off-white */
  --white:      #ffffff;
  --off-white:  #f7f8fc;
  --cream:      #f0f2f8;

  /* Rules & borders */
  --rule:       rgba(10,22,40,.10);
  --rule-dark:  rgba(255,255,255,.09);
  --rule-mid:   rgba(10,22,40,.18);

  /* Accent — sapphire blue */
  --accent:     #2563eb;
  --accent-2:   #3b82f6;
  --accent-dim: rgba(37,99,235,.10);
  --accent-glow:rgba(37,99,235,.18);

  /* Gold — used sparingly */
  --gold:       #d4a843;
  --gold-dim:   rgba(212,168,67,.12);

  /* Text */
  --text:       #0a1628;
  --text-2:     #3d5275;
  --text-3:     #7990b0;
  --text-inv:   #ffffff;
  --text-inv-2: rgba(255,255,255,.65);

  /* Fonts */
  --font-disp:  'Playfair Display', Georgia, serif;
  --font-body:  'Outfit', system-ui, sans-serif;
  --font-mono:  'Space Mono', 'Courier New', monospace;

  --nav-h:      76px;
  --ease:       cubic-bezier(.22,.68,0,1.2);
  --ease-out:   cubic-bezier(.16,1,.3,1);

  /* Legacy compat */
  --bg-color:   #0a1628;
  --text-color: #0a1628;
  --main-color: #2563eb;
  --white-color: #ffffff;
  --shadow-color: rgba(10,22,40,.15);
  --ink:        #0a1628;
  --ink-2:      #0f1f3d;
  --ink-3:      #162444;
  --ink-4:      #1e2f52;
  --text-inv:   #ffffff;
  --gold-2:     #e8c97a;
  --teal:       #2563eb;
  --teal-dim:   rgba(37,99,235,.10);
}

html { scroll-behavior: smooth; }

body {
  background: var(--white);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ── Navigation ── */
.navbar {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 3rem;
  z-index: 1000;
  background: transparent;
  transition: background .4s ease, border-color .4s ease, backdrop-filter .4s ease;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled {
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom-color: var(--rule);
  box-shadow: 0 1px 24px rgba(10,22,40,.06);
}
.navbar.dark-nav {
  background: transparent;
}
.navbar.dark-nav.scrolled {
  background: rgba(10,22,40,.96);
  border-bottom-color: var(--rule-dark);
}

.nav-brand {
  display: flex; align-items: center; gap: .7rem;
  color: var(--text-inv);
  font-family: var(--font-disp);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: .02em;
  transition: color .3s;
}
.navbar.scrolled .nav-brand { color: var(--text); }
.navbar.dark-nav.scrolled .nav-brand { color: var(--text-inv); }
.nav-brand:hover { opacity: .8; }

.brand-glyph { width: 30px; height: 30px; flex-shrink: 0; }

.nav-links {
  display: flex; align-items: center;
  gap: 2.2rem; list-style: none;
}
.nav-links a {
  color: rgba(255,255,255,.75);
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .04em;
  transition: color .25s;
}
.navbar.scrolled .nav-links a { color: var(--text-2); }
.navbar.dark-nav.scrolled .nav-links a { color: rgba(255,255,255,.7); }
.nav-links a:hover { color: var(--accent-2) !important; }

.nav-cta {
  padding: .55rem 1.5rem !important;
  background: var(--accent) !important;
  color: #fff !important;
  border-radius: 6px;
  font-weight: 500 !important;
  letter-spacing: .04em !important;
  transition: background .2s, transform .2s, box-shadow .2s !important;
}
.nav-cta:hover {
  background: var(--accent-2) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 16px rgba(37,99,235,.3) !important;
}

/* Mobile nav */
.mobile-menu {
  display: none;
  flex-direction: column; gap: 5px;
  cursor: pointer; background: none; padding: 4px;
}
.mobile-menu span {
  display: block; width: 22px; height: 1.5px;
  background: var(--text-inv);
  transition: transform .3s ease, opacity .3s ease;
}
.navbar.scrolled .mobile-menu span { background: var(--text); }
.mobile-menu.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.mobile-menu.open span:nth-child(2) { opacity: 0; }
.mobile-menu.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ── Footer ── */
.site-footer {
  background: var(--navy);
  padding: 4rem 3rem 2rem;
}
.footer-inner {
  max-width: 1280px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr auto auto;
  align-items: start; gap: 3rem;
}
.footer-brand {
  display: flex; align-items: center; gap: .6rem;
  color: var(--text-inv);
  font-family: var(--font-disp);
  font-size: 1.3rem; font-weight: 500;
}
.footer-left p {
  font-size: .8rem; color: var(--text-inv-2);
  margin-top: .5rem; max-width: 260px; line-height: 1.6;
}
.footer-nav { display: flex; flex-direction: column; gap: .9rem; }
.footer-nav-title {
  font-size: .65rem; color: rgba(255,255,255,.35);
  letter-spacing: .15em; text-transform: uppercase;
  margin-bottom: .3rem; font-family: var(--font-mono);
}
.footer-nav a {
  color: var(--text-inv-2); font-size: .82rem;
  transition: color .2s;
}
.footer-nav a:hover { color: var(--accent-2); }
.footer-legal {
  grid-column: 1 / -1;
  font-size: .7rem; color: rgba(255,255,255,.25);
  border-top: 1px solid rgba(255,255,255,.07);
  padding-top: 1.5rem; margin-top: .5rem;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: .5rem;
}

/* ── Shared CTA Button ── */
.cta-btn {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .85rem 2.2rem;
  background: transparent;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  font-family: var(--font-body);
  font-size: .82rem; font-weight: 500;
  letter-spacing: .04em;
  cursor: pointer;
  border-radius: 6px;
  transition: background .22s, color .22s, transform .22s, box-shadow .22s;
}
.cta-btn:hover {
  background: var(--accent); color: #fff;
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(37,99,235,.25);
}
.cta-btn span, .cta-btn a { position: relative; z-index: 1; color: inherit; }

/* On dark backgrounds, invert */
.cta-btn.inv {
  border-color: rgba(255,255,255,.4);
  color: rgba(255,255,255,.85);
}
.cta-btn.inv:hover {
  background: rgba(255,255,255,.12);
  color: #fff; border-color: rgba(255,255,255,.7);
  box-shadow: none;
}

.primary-cta {
  background: var(--accent) !important;
  color: #fff !important;
  border-color: var(--accent) !important;
}
.primary-cta:hover {
  background: var(--accent-2) !important;
  border-color: var(--accent-2) !important;
}

/* ── Login page ── */
.login_page {
  padding: 8rem 5rem 5rem;
  min-height: 100vh;
  background: var(--navy);
  color: var(--text-inv);
  display: flex; flex-direction: column; align-items: center;
}
.log-in_section { display: flex; gap: 2px; width: 100%; max-width: 1000px; margin-bottom: 3rem; }
.login, .register {
  flex: 1; background: var(--navy-3); padding: 2.5rem;
  border: 1px solid rgba(255,255,255,.07);
  transition: border-color .3s;
}
.login:hover, .register:hover { border-color: var(--accent); }
.login h1, .register h1 {
  font-family: var(--font-disp); font-size: 2rem;
  font-weight: 400; margin-bottom: 1.5rem; color: var(--text-inv);
}
.login p, .register p { color: var(--text-inv-2); margin-bottom: 1.5rem; }
.log-in-form label { display: block; margin-bottom: .4rem; color: var(--accent-2); font-size: .75rem; letter-spacing: .08em; text-transform: uppercase; font-family: var(--font-mono); }
.log-in-form p { margin-bottom: 1.2rem; }
.log-in-form input[type="text"],
.log-in-form input[type="password"],
.log-in-form input[type="email"] {
  width: 100%; padding: .8rem 1rem;
  background: var(--navy-4); border: 1px solid rgba(255,255,255,.1);
  color: var(--text-inv); font-family: var(--font-body); font-size: .9rem;
  border-radius: 4px; transition: border-color .25s;
}
.log-in-form input:focus { border-color: var(--accent); }
.log-in-btn {
  width: 100%; padding: .9rem;
  background: var(--accent); border: none;
  color: #fff; font-family: var(--font-body);
  font-size: .85rem; letter-spacing: .06em;
  cursor: pointer; border-radius: 4px;
  transition: background .25s;
}
.log-in-btn:hover { background: var(--accent-2); }
.tab-switcher { display: flex; gap: 0; margin-bottom: 2rem; border-bottom: 1px solid rgba(255,255,255,.1); }
.tab { padding: .7rem 1.5rem; cursor: pointer; font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--text-inv-2); border-bottom: 2px solid transparent; margin-bottom: -1px; transition: all .25s; }
.tab.active { color: var(--accent-2); border-bottom-color: var(--accent); }
.tab-content { display: none; animation: fadeIn .4s ease forwards; }
.tab-content.active { display: block; }
.disclaimer { max-width: 700px; text-align: center; font-size: .78rem; color: var(--text-inv-2); margin-top: 2rem; line-height: 1.6; }
.highlight_text_green { color: var(--accent-2); }

@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }

/* ── Utility ── */
.teal  { color: var(--accent-2); }
.gold  { color: var(--gold); }
.bold  { font-weight: 600; }
.mono  { font-family: var(--font-mono); }

/* ── Signup confirm ── */
.signup_confirm {
  display: flex; flex-direction: column;
  justify-content: center; align-items: center;
  color: var(--text-inv);
  background: var(--navy);
  height: 92vh; overflow: hidden; gap: 2rem;
}
.signup_confirm h1 {
  text-align: center; font-size: 3rem;
  color: var(--text-inv); font-family: var(--font-disp); font-weight: 300;
}
.signup_confirm h3 {
  font-size: 1.2rem; font-family: var(--font-body);
  font-weight: 400; color: var(--text-inv-2); text-align: center; max-width: 500px; line-height: 1.7;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .navbar { padding: 0 1.5rem; }
  .nav-links {
    display: none; flex-direction: column; align-items: flex-start;
    position: fixed; top: var(--nav-h); left: 0; right: 0;
    background: rgba(10,22,40,.97); backdrop-filter: blur(20px);
    padding: 2rem 1.5rem; gap: 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: .9rem; color: rgba(255,255,255,.8) !important; }
  .mobile-menu { display: flex; }
  .footer-inner { grid-template-columns: 1fr; }
  .log-in_section { flex-direction: column; }
  .login_page { padding: 6rem 1.5rem 3rem; }
}