/* =========================================================
   Airbound Ventures — main.css
   Dark theme VC website for mobility and fintech
   Accent: #6c63ff
   ========================================================= */

/* ── CSS Variables ─────────────────────────────────────── */
:root {
  --accent:       #6c63ff;
  --accent-dark:  #4f46e5;
  --bg:           #0d0f18;
  --bg2:          #141727;
  --bg3:          #1a1f35;
  --surface:      #1e2440;
  --surface2:     #252c4a;
  --border:       rgba(108,99,255,0.18);
  --text:         #e8eaf0;
  --text-muted:   #8b92b4;
  --radius:       8px;
  --nav-height:   72px;
}

/* ── Reset & Base ────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }

html, body { width: 100%; overflow-x: hidden; }

body {
  background-color: var(--bg) !important;
  color: var(--text) !important;
  font-family: 'Roboto', sans-serif;
  font-size: 18px !important;
  line-height: 1.9;
}

h1 { font-size: 61px !important; line-height: 1.1; font-weight: 700; color: #ffffff; letter-spacing: 1px; }
h2 { font-size: 43px !important; line-height: 1.2; font-weight: 700; color: #ffffff; }
h3 { font-size: 28px !important; line-height: 1.3; font-weight: 600; color: #ffffff; }
h4 { font-size: 20px; font-weight: 600; color: var(--text); }

p { color: rgba(255,255,255,0.88); line-height: 1.9; font-size: 18px !important; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: #fff; }
img { max-width: 100%; }

/* ── Funding Bar ──────────────────────────────────────────── */
#funding-bar {
  display: none;
  position: fixed !important;
  top: 0; left: 0; right: 0;
  z-index: 10001;
  background-color: var(--accent-dark) !important;
  color: #ffffff !important;
  padding: 10px 5%;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  font-size: 14px;
  font-weight: 500;
}
#funding-bar a, #funding-bar strong, #funding-bar span { color: #ffffff !important; }
#funding-bar button {
  color: rgba(255,255,255,0.85) !important;
  background: transparent;
  border: none;
  font-size: 18px;
  cursor: pointer;
  padding: 0 4px;
  margin-left: 8px;
  line-height: 1;
}
#funding-bar a.fb-link {
  text-decoration: underline;
  font-weight: 600;
}

/* ── Navigation ────────────────────────────────────────────── */
.custom-navbar {
  background: rgba(13,15,24,0.96) !important;
  border-bottom: 1px solid rgba(108,99,255,0.18);
  margin-bottom: 0;
  backdrop-filter: blur(8px);
  z-index: 10000;
  transition: top 0.3s ease;
}
.custom-navbar .navbar-brand {
  color: #ffffff !important;
  font-weight: 700;
  font-size: 20px !important;
  padding: 14px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}
.custom-navbar .navbar-brand img.nav-logo {
  width: 28px; height: 28px;
  display: inline-block; vertical-align: middle;
}
.custom-navbar .nav li a {
  color: rgba(255,255,255,0.85) !important;
  font-size: 15px !important;
  font-weight: 500;
  letter-spacing: 0.03em;
  padding: 8px 14px;
  transition: color 0.2s;
}
.custom-navbar .nav li a:hover,
.custom-navbar .nav li.active > a {
  color: var(--accent) !important;
  background: transparent !important;
}
.custom-navbar .navbar-toggle .icon-bar { background: #fff; }
.custom-navbar .navbar-toggle { border: none; padding-top: 10px; }

@media (min-width: 768px) {
  .custom-navbar { padding: 8px 0; background: rgba(13,15,24,0.96) !important; }
  .custom-navbar.top-nav-collapse { background: rgba(13,15,24,0.99) !important; }
}

/* page-top: padding for fixed nav on inner pages */
.page-top { padding-top: var(--nav-height, 72px); }

/* ── Hero / Home Section ────────────────────────────────────── */
#home {
  background-image: linear-gradient(rgba(0,0,0,0.55), rgba(0,0,0,0.55)), url('../images/hero-main.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  background-color: rgba(5,10,30,0.35);
  background-blend-mode: multiply;
  position: relative;
  display: flex;
  align-items: center;
  min-height: 600px;
  height: 100vh;
  text-align: center;
  color: #ffffff;
}
#home::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 0; pointer-events: none;
}
#home > .container { position: relative; z-index: 2; }
#home h1 { color: #ffffff; text-shadow: 0 2px 8px rgba(0,0,0,0.4); }
#home h3 { font-size: 15px !important; color: rgba(255,255,255,0.7); letter-spacing: 3px; text-transform: uppercase; font-weight: 400; }
#home .hero-tagline { font-size: 20px; color: rgba(255,255,255,0.82); max-width: 620px; margin: 1.2rem auto 0; line-height: 1.7; }
#home hr { width: 200px; border-color: rgba(255,255,255,0.3); margin: 1.5rem auto; }
#home .btn {
  background: transparent;
  border: 2px solid #ffffff;
  border-radius: 4px;
  color: #ffffff !important;
  font-size: 15px !important;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 14px 40px;
  margin: 20px 8px 0;
  transition: all 0.3s ease;
  display: inline-block;
}
#home .btn:hover { background: var(--accent); border-color: var(--accent); }
#home .btn-primary { background: var(--accent); border-color: var(--accent); }
#home .btn-primary:hover { background: transparent; border-color: #fff; }

/* Hero stats */
.hero-stats { display: flex; justify-content: center; gap: 3rem; margin-top: 3rem; flex-wrap: wrap; }
.hero-stat { text-align: center; }
.hero-stat .stat-num { font-size: 35px !important; font-weight: 700; color: #fff; line-height: 1.1; }
.hero-stat .stat-label { font-size: 13px !important; color: rgba(255,255,255,0.6); text-transform: uppercase; letter-spacing: 2px; }

/* ── Page Hero ──────────────────────────────────────────────── */
.page-hero {
  background-color: var(--bg2);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
  min-height: 300px;
  display: flex;
  align-items: center;
  text-align: center;
  color: #fff;
}
.page-hero::after {
  content: '';
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.60);
  z-index: 0; pointer-events: none;
}
.page-hero > .container { position: relative; z-index: 2; padding: 60px 2rem; }
.page-hero h1 { color: #fff; margin-bottom: 0.5rem; }
.page-hero .breadcrumb-bar { font-size: 14px !important; color: rgba(255,255,255,0.6); margin-top: 0.75rem; }
.page-hero .breadcrumb-bar a { color: var(--accent); }

/* ── Section Padding ─────────────────────────────────────────── */
.section { padding: 80px 0; }
#work, #about, #team, #portfolio, #contact { padding: 80px 0; }

/* Section label + title block */
.section-title-block { text-align: center; margin-bottom: 3rem; }
.section-label {
  display: inline-block;
  font-size: 12px !important;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section-title-block h2 { color: #ffffff; margin-bottom: 1rem; }
.section-title-block .subtitle {
  color: var(--text-muted);
  font-size: 16px !important;
  max-width: 580px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ── Work / Services Section ─────────────────────────────────── */
#work { background: var(--bg2); text-align: center; }
.work-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  margin-bottom: 1.5rem;
  transition: transform 0.2s, box-shadow 0.2s;
  height: 100%;
}
#work .row { display: flex; flex-wrap: wrap; }
#work .row > [class*="col-"] { display: flex; flex-direction: column; }
.work-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(108,99,255,0.18); }
.work-card i { font-size: 32px !important; color: var(--accent); margin-bottom: 1rem; display: block; }
.work-card h3 { font-size: 20px !important; color: #fff; margin-bottom: 0.75rem; font-weight: 600; }
.work-card p { color: var(--text-muted); font-size: 15px !important; line-height: 1.7; }

/* ── About Section ───────────────────────────────────────────── */
#about { background: var(--bg3); }
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
.about-col { min-width: 0; }
@media (max-width: 767px) { .about-inner { grid-template-columns: 1fr; gap: 2rem; } }
.about-img-wrap { width: 100%; overflow: hidden; border-radius: var(--radius); }
.about-img-wrap img { width: 100%; aspect-ratio: 4/3; object-fit: cover; object-position: center; display: block; }
#about .about-label { font-size: 15px !important; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 0.5rem; font-weight: 600; }
#about h2 { color: #ffffff; margin-bottom: 1.5rem; }
#about p { color: rgba(255,255,255,0.82); }
.nav-tabs { border-bottom: 1px solid rgba(108,99,255,0.18); margin-top: 1.5rem; }
.nav-tabs > li > a {
  color: rgba(255,255,255,0.6) !important;
  font-size: 14px; padding: 10px 18px;
  border: none !important;
  border-radius: 0;
  background: transparent;
}
.nav-tabs > li.active > a,
.nav-tabs > li.tab-on > a,
.nav-tabs > li > a:hover {
  color: var(--accent) !important;
  background: transparent !important;
}
.tab-content { padding-top: 1.5rem; }
.tab-content p { color: rgba(255,255,255,0.82); font-size: 16px !important; }
@media (max-width: 768px) { .about-inner { grid-template-columns: 1fr; } }

/* ── Stats Bar ──────────────────────────────────────────────── */
.stats-bar { background: var(--surface); padding: 48px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; text-align: center; max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.stat-item .stat-number { font-size: 40px !important; font-weight: 700; color: var(--accent); line-height: 1.1; }
.stat-item .stat-text { font-size: 14px !important; color: var(--text-muted); text-transform: uppercase; letter-spacing: 2px; margin-top: 0.4rem; }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr; } }

/* ── Team Section ────────────────────────────────────────────── */
#team { background: var(--bg); }
#team .section-title-block { text-align: center; }
#team .row.team-member-row { display: flex; align-items: center; flex-wrap: wrap; }
#team .row.team-member-row .col-md-4 { text-align: center; }
#team .row.team-member-row .col-md-8 { text-align: left; }
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 2rem; }
.team-wrapper {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.team-wrapper:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(108,99,255,0.18); }
.team-wrapper img {
  width: 100%;
  max-width: 160px;
  aspect-ratio: 1/1;
  border-radius: 8px;
  object-fit: cover;
  object-position: 50% 10%;
  display: block;
  margin: 2rem auto 1rem;
}
.team-des { padding: 0 1.5rem 2rem; }
.team-des h4 { font-size: 22px !important; color: #ffffff; font-weight: 700; margin-bottom: 0.2rem; }
.team-des h3 { font-size: 13px !important; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; font-weight: 600; }
.team-des hr { border-color: rgba(108,99,255,0.2); width: 60px; margin: 1rem auto; }
.team-des .bio { color: var(--text-muted); font-size: 14px !important; line-height: 1.7; }
@media (max-width: 767px) { .team-grid { grid-template-columns: 1fr; } }

/* ── Portfolio Section ─────────────────────────────────────── */
#portfolio { background: var(--bg2); }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.portfolio-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.portfolio-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(108,99,255,0.18); }
.portfolio-card-body { padding: 1.5rem; }
.portfolio-card h3 { font-size: 22px !important; color: #fff; margin-bottom: 0.5rem; }
.portfolio-card .tag {
  display: inline-block;
  font-size: 12px !important; font-weight: 700;
  letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent); background: rgba(108,99,255,0.12);
  padding: 3px 10px; border-radius: 20px; margin-bottom: 0.75rem;
}
.portfolio-card .amount { font-size: 24px !important; font-weight: 700; color: #fff; margin: 0.5rem 0 0.25rem; }
.portfolio-card .round-label { font-size: 13px !important; color: var(--text-muted); }
.portfolio-card p { color: var(--text-muted); font-size: 15px !important; line-height: 1.6; margin-top: 0.75rem; }
@media (max-width: 767px) { .portfolio-grid { grid-template-columns: 1fr; } }

/* ── Insights / Blog Section ──────────────────────────────── */
.insights-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; }
.insight-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}
.insight-card:hover { transform: translateY(-4px); box-shadow: 0 8px 32px rgba(108,99,255,0.18); }
.insight-thumb {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  object-position: center;
  display: block;
}
.insight-body { padding: 1.5rem; }
.insight-body .meta { font-size: 13px !important; color: var(--text-muted); margin-bottom: 0.5rem; }
.insight-body h3 { font-size: 20px !important; color: #fff; margin-bottom: 0.75rem; line-height: 1.4; }
.insight-body p { color: var(--text-muted); font-size: 15px !important; line-height: 1.65; }
.insight-body .read-more { display: inline-block; margin-top: 1rem; color: var(--accent); font-size: 14px !important; font-weight: 600; }
.insight-body .read-more:hover { color: #fff; }
@media (max-width: 767px) { .insights-grid { grid-template-columns: 1fr; } }

/* ── Contact Section ────────────────────────────────────────── */
#contact { background: var(--bg3); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: start; }
#contact h2 { color: #ffffff; margin-bottom: 1.5rem; }
#contact .contact-label { font-size: 15px !important; color: var(--accent); text-transform: uppercase; letter-spacing: 2px; font-weight: 600; margin-bottom: 1rem; }
#contact p { color: rgba(255,255,255,0.82); }
.contact-item { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1.5rem; }
.contact-item i { font-size: 19px !important; color: var(--accent); padding-top: 3px; min-width: 22px; }
.contact-item .c-label { font-size: 12px !important; text-transform: uppercase; letter-spacing: 2px; color: var(--text-muted); margin-bottom: 0.2rem; }
.contact-item .c-value { color: rgba(255,255,255,0.88); font-size: 16px !important; }
.contact-form .form-control {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: #fff;
  font-size: 16px;
  padding: 12px 16px;
  width: 100%;
  margin-bottom: 1rem;
  transition: border-color 0.2s;
  outline: none;
  display: block;
}
.contact-form .form-control:focus { border-color: var(--accent); }
.contact-form textarea.form-control { height: 130px; resize: vertical; }
.contact-form .btn-submit {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 14px 40px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  width: 100%;
  margin-top: 4px;
}
.contact-form .btn-submit:hover { background: var(--accent-dark); }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; gap: 2rem; } }

/* ── Spotlight / About Story ──────────────────────────────── */
.spotlight-section {
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: 4em;
  align-items: start;
  max-width: 1100px;
  margin: 0 auto;
  padding: 4em 2em;
}
.story-img { width: 100%; overflow: hidden; border-radius: var(--radius); }
.story-img img { width: 100%; aspect-ratio: 4/3; object-fit: cover; object-position: center; display: block; border-radius: var(--radius); }
@media (max-width: 768px) { .spotlight-section { grid-template-columns: 1fr; } }

/* ── Footer ──────────────────────────────────────────────────── */
#footer {
  background-color: var(--bg) !important;
  border-top: 1px solid var(--border);
  padding: 4em 2em 2em;
  width: 100%;
}
#footer .inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3em;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 4em;
  align-items: start;
  box-sizing: border-box;
}
#footer h2 {
  color: #ffffff;
  font-size: 18px !important;
  font-weight: 600;
  margin: 0 0 1em;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
#footer p { color: var(--text-muted); font-size: 16px !important; line-height: 1.7; margin: 0; }
.footer-nav { list-style: none; margin: 0; padding: 0; }
.footer-nav li { margin-bottom: 0.5em; }
.footer-nav a { color: var(--text-muted); text-decoration: none; font-size: 16px !important; transition: color 0.2s; }
.footer-nav a:hover { color: #ffffff; }
#footer .copyright {
  color: var(--text-muted);
  font-size: 15px !important;
  text-align: center;
  margin: 2.5em auto 0;
  padding-top: 1.5em;
  border-top: 1px solid var(--border);
  max-width: 1100px;
}
@media (max-width: 768px) { #footer .inner { grid-template-columns: 1fr 1fr; padding: 0 1rem; } }
@media (max-width: 480px) { #footer .inner { grid-template-columns: 1fr; padding: 0 1rem; } }

/* ── Cookie Banner ───────────────────────────────────────────── */
#cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 16px 5%;
  display: none;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  z-index: 10003;
  flex-wrap: wrap;
}
#cookie-banner p { font-size: 14px !important; color: var(--text-muted); margin: 0; line-height: 1.6; }
#cookie-banner a { color: var(--accent); }
.cookie-btn {
  background: var(--accent);
  color: #fff !important;
  border: none;
  border-radius: 4px;
  padding: 10px 24px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
.cookie-btn.decline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted) !important;
}
.cookie-btn-group { display: flex; gap: 0.75rem; flex-shrink: 0; }

/* ── Legal Pages ─────────────────────────────────────────────── */
.legal-content { max-width: 760px; margin: 0 auto; padding: 0 2rem; }
.legal-content h2 { font-size: 28px !important; color: #fff; margin: 2rem 0 1rem; }
.legal-content h3 { font-size: 20px !important; margin: 1.5rem 0 0.75rem; color: rgba(255,255,255,0.9); }
.legal-content p, .legal-content li { color: rgba(255,255,255,0.82); font-size: 16px !important; line-height: 1.8; margin-bottom: 0.75rem; }
.legal-content ul { padding-left: 1.5rem; }
.legal-content li { margin-bottom: 0.4rem; }
.legal-section { background: var(--bg); padding: 60px 0 80px; }

/* ── Preloader ───────────────────────────────────────────────── */
.preloader {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 99999; display: flex; justify-content: center; align-items: center;
  background: var(--bg);
}
.sk-spinner-circle.sk-spinner { width: 30px; height: 30px; position: relative; }
.sk-spinner-circle .sk-circle { width: 100%; height: 100%; position: absolute; left: 0; top: 0; }
.sk-spinner-circle .sk-circle:before {
  content: '';
  display: block;
  margin: 0 auto;
  width: 15%;
  height: 15%;
  background-color: var(--accent);
  border-radius: 100%;
  -webkit-animation: sk-circleBounceDelay 1.2s infinite ease-in-out both;
  animation: sk-circleBounceDelay 1.2s infinite ease-in-out both;
}

/* ── CTA Section ──────────────────────────────────────────────── */
.cta-section { background: var(--surface); padding: 80px 0; text-align: center; }
.cta-section h2 { color: #ffffff; margin-bottom: 1.5rem; }
.cta-section p { color: rgba(255,255,255,0.82); max-width: 580px; margin: 0 auto 2rem; font-size: 17px !important; }

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-accent {
  background: var(--accent); color: #fff !important;
  border: none; border-radius: 6px;
  padding: 14px 36px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: background 0.2s; display: inline-block;
}
.btn-accent:hover { background: var(--accent-dark); color: #fff !important; }
.btn-outline-acc {
  background: transparent;
  border: 2px solid var(--accent);
  color: var(--accent) !important;
  border-radius: 6px;
  padding: 12px 34px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: all 0.2s; display: inline-block;
}
.btn-outline-acc:hover { background: var(--accent); color: #fff !important; }

/* ── Responsive global ────────────────────────────────────────── */
@media (max-width: 767px) {
  h1 { font-size: 36px !important; }
  h2 { font-size: 28px !important; }
  h3 { font-size: 22px !important; }
  #home { min-height: 480px; height: auto; padding: 120px 0 80px; }
  .hero-stats { gap: 1.5rem; }
  .page-hero { min-height: 220px; }
  #work, #about, #team, #portfolio, #contact { padding: 60px 0; }
  .section { padding: 60px 0; }
  #footer .inner { padding: 0 1rem; }
}