/* ============================================================
   CAIRNS AI Business Services — Main Stylesheet
   Design: Deep space / cosmic dark theme with magenta/purple/cyan accents
   ============================================================ */

:root {
  --pink: #E91E8C;
  --purple: #A020F0;
  --cyan: #00D9FF;
  --dark: #050510;
  --dark2: #0a0a1a;
  --card-bg: #0d0d20;
  --card-border: #1a1a35;
  --text: #ffffff;
  --text-muted: rgba(255,255,255,0.7);
  --text-dim: rgba(255,255,255,0.45);
  --gradient: linear-gradient(135deg, var(--pink), var(--purple), var(--cyan));
  --gradient-btn: linear-gradient(135deg, var(--pink), var(--purple));
  --font-display: 'Syne', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 40px rgba(233,30,140,0.12);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--dark);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ---- TYPOGRAPHY ---- */
h1, h2, h3, h4, h5 { font-family: var(--font-display); line-height: 1.15; }
h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); font-weight: 800; }
h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); font-weight: 700; }
h3 { font-size: 1.25rem; font-weight: 700; }
h4 { font-size: 1.1rem; font-weight: 700; }
p { color: var(--text-muted); }
a { color: inherit; text-decoration: none; }

.gradient-text {
  background: var(--gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---- LAYOUT ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-dark { background: var(--dark2); }
.text-center { text-align: center; }
.section-title { text-align: center; margin-bottom: 12px; }
.section-sub { text-align: center; color: var(--text-muted); margin-bottom: 56px; max-width: 600px; margin-left: auto; margin-right: auto; }

.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 32px; }

/* ---- NAV ---- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(5,5,16,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
}
.nav-inner {
  max-width: 1100px; margin: 0 auto; padding: 0 24px;
  display: flex; align-items: center; gap: 32px; height: 68px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  white-space: nowrap; color: var(--text);
}
.logo-dot {
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--gradient); flex-shrink: 0;
}
.nav-links { display: flex; align-items: center; gap: 4px; margin-left: auto; }
.nav-link {
  padding: 8px 14px; border-radius: var(--radius-sm);
  color: var(--text-muted); font-size: 0.9rem; font-weight: 500;
  transition: color 0.2s, background 0.2s; background: none; border: none; cursor: pointer;
}
.nav-link:hover { color: var(--text); background: rgba(255,255,255,0.06); }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  display: none; position: absolute; top: calc(100% + 8px); left: 0;
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 8px; min-width: 220px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.dropdown:hover .dropdown-menu { display: flex; flex-direction: column; }
.dropdown-menu a {
  padding: 10px 14px; border-radius: var(--radius-sm);
  color: var(--text-muted); font-size: 0.9rem;
  transition: background 0.15s, color 0.15s;
}
.dropdown-menu a:hover { background: rgba(233,30,140,0.1); color: var(--pink); }

/* Mobile nav */
.mobile-toggle {
  display: none; background: none; border: none; color: var(--text);
  font-size: 1.4rem; cursor: pointer; margin-left: auto;
}
.mobile-menu {
  display: none; flex-direction: column; padding: 16px 24px 20px;
  border-top: 1px solid var(--card-border); gap: 4px;
}
.mobile-menu a {
  padding: 10px 14px; border-radius: var(--radius-sm);
  color: var(--text-muted); font-size: 0.95rem;
}
.mobile-menu.open { display: flex; }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .nav-inner { gap: 16px; }
  .nav-inner .btn { display: none; }
}

/* ---- BUTTONS ---- */
.btn {
  display: inline-block; padding: 12px 24px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 0.95rem; transition: all 0.2s; cursor: pointer;
  border: none; text-align: center;
}
.btn-primary {
  background: var(--gradient-btn); color: #fff;
  box-shadow: 0 4px 20px rgba(233,30,140,0.3);
}
.btn-primary:hover { box-shadow: 0 6px 30px rgba(233,30,140,0.5); transform: translateY(-1px); }
.btn-outline {
  background: transparent; color: var(--text);
  border: 1.5px solid rgba(255,255,255,0.25);
}
.btn-outline:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.05); }
.btn-lg { padding: 16px 32px; font-size: 1rem; }

/* ---- HERO ---- */
.hero {
  position: relative; padding: 100px 0 80px; overflow: hidden;
  min-height: 90vh; display: flex; align-items: center;
}
.hero-bg {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 0%, rgba(160,32,240,0.18) 0%, transparent 70%),
              radial-gradient(ellipse 60% 50% at 90% 50%, rgba(0,217,255,0.08) 0%, transparent 60%),
              radial-gradient(ellipse 50% 40% at 10% 80%, rgba(233,30,140,0.1) 0%, transparent 60%);
}
.hero-grid {
  display: flex; flex-direction: column;
  gap: 48px; position: relative; z-index: 1;
  max-width: 800px; margin: 0 auto; text-align: center;
}
.hero-content { display: flex; flex-direction: column; align-items: center; }
.hero-sub { max-width: 680px; }
.trust-strip { justify-content: center; }
.badge {
  display: inline-block; background: rgba(233,30,140,0.12);
  border: 1px solid rgba(233,30,140,0.3); color: var(--pink);
  padding: 6px 16px; border-radius: 999px; font-size: 0.85rem;
  font-weight: 600; margin-bottom: 24px;
}
h1 { margin-bottom: 20px; }
.hero-sub { font-size: 1.1rem; margin-bottom: 36px; max-width: 520px; }
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.trust-strip {
  display: flex; gap: 24px; flex-wrap: wrap;
  color: var(--text-dim); font-size: 0.85rem; font-weight: 500;
}
.hero-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 32px;
  box-shadow: var(--shadow);
}
.card-label {
  color: var(--pink); font-size: 0.75rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 20px;
}
.deliver-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.deliver-list li {
  display: flex; align-items: center; gap: 12px;
  color: var(--text); font-weight: 500; font-size: 0.95rem;
}
.deliver-list li span { font-size: 1.2rem; flex-shrink: 0; }

/* ---- CARDS ---- */
.card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 32px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.card:hover { border-color: rgba(233,30,140,0.4); transform: translateY(-3px); box-shadow: var(--shadow); }
.card-icon { font-size: 2rem; margin-bottom: 16px; }
.card h3 { margin-bottom: 10px; }
.card p { font-size: 0.93rem; margin-bottom: 20px; }
.card-link { color: var(--pink); font-weight: 600; font-size: 0.9rem; transition: color 0.2s; }
.card-link:hover { color: var(--cyan); }

/* ---- FOUNDING / PERK ---- */
.founding-wrap { text-align: center; max-width: 900px; margin: 0 auto; }
.founding-badge {
  display: inline-block; background: rgba(233,30,140,0.15);
  border: 1px solid rgba(233,30,140,0.35); color: var(--pink);
  padding: 6px 18px; border-radius: 999px; font-size: 0.85rem;
  font-weight: 600; margin-bottom: 20px;
}
.founding-wrap h2 { margin-bottom: 16px; }
.founding-sub { font-size: 1.05rem; margin-bottom: 40px; max-width: 640px; margin-left: auto; margin-right: auto; }
.founding-note { color: var(--text-dim); font-size: 0.85rem; margin-bottom: 28px; margin-top: 32px; }
.perk-card {
  background: rgba(13,13,32,0.8); border: 1px solid rgba(233,30,140,0.2);
  border-radius: var(--radius); padding: 28px; text-align: left;
}
.perk-icon { font-size: 2rem; display: block; margin-bottom: 14px; }
.perk-card h4 { margin-bottom: 8px; }
.perk-card p { font-size: 0.9rem; }

/* ---- INDUSTRIES ---- */
.industry-card {
  display: block; background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 28px;
  transition: border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.industry-card:hover { border-color: rgba(233,30,140,0.4); transform: translateY(-3px); box-shadow: var(--shadow); }
.industry-icon { font-size: 2rem; display: block; margin-bottom: 14px; }
.industry-card h4 { margin-bottom: 8px; color: var(--text); transition: color 0.2s; }
.industry-card:hover h4 { color: var(--pink); }
.industry-card p { font-size: 0.9rem; margin-bottom: 14px; }
.industry-link { color: var(--pink); font-size: 0.85rem; font-weight: 600; }

/* ---- FAQ ---- */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 16px; }
.faq-item {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 28px;
}
.faq-item h3 { font-size: 1rem; margin-bottom: 10px; color: var(--text); }
.faq-item p { font-size: 0.93rem; }

/* ---- CTA SECTION ---- */
.cta-section {
  background: radial-gradient(ellipse 80% 60% at 50% 50%, rgba(160,32,240,0.15) 0%, transparent 70%);
}
.cta-section h2 { margin-bottom: 14px; }
.cta-section p { margin-bottom: 36px; font-size: 1.05rem; }

/* ---- FOOTER ---- */
.footer {
  background: var(--dark2); border-top: 1px solid var(--card-border);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px; margin-bottom: 48px;
}
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-logo { font-family: var(--font-display); font-weight: 700; font-size: 1rem; margin-bottom: 10px; }
.footer-tagline { font-size: 0.88rem; color: var(--text-dim); }
.footer h5 { font-size: 0.85rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; color: var(--text-muted); }
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer ul li, .footer ul a { font-size: 0.88rem; color: var(--text-dim); transition: color 0.2s; }
.footer ul a:hover { color: var(--pink); }
.social-links { display: flex; gap: 12px; margin-top: 16px; }
.social-links a { font-size: 0.85rem; color: var(--text-dim); transition: color 0.2s; }
.social-links a:hover { color: var(--cyan); }
.footer-bottom { border-top: 1px solid var(--card-border); padding-top: 24px; text-align: center; }
.footer-bottom p { font-size: 0.82rem; color: var(--text-dim); }

/* ---- PAGE HERO (inner pages) ---- */
.page-hero {
  padding: 80px 0 60px;
  background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(160,32,240,0.15) 0%, transparent 70%);
  text-align: center;
}
.page-hero .badge { margin-bottom: 20px; }
.page-hero h1 { margin-bottom: 16px; }
.page-hero p { font-size: 1.1rem; max-width: 600px; margin: 0 auto; }

/* ---- ABOUT PAGE ---- */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
@media (max-width: 768px) { .about-grid { grid-template-columns: 1fr; } }
.mission-card {
  border-radius: var(--radius); padding: 24px;
  background: var(--card-bg); margin-bottom: 16px;
}
.mission-card .label { font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 8px; }
.mission-card p { font-size: 0.93rem; }
.label-pink { color: var(--pink); }
.label-purple { color: var(--purple); }
.label-cyan { color: var(--cyan); }
.border-l-pink { border-left: 4px solid var(--pink); }
.border-l-purple { border-left: 4px solid var(--purple); }
.border-l-cyan { border-left: 4px solid var(--cyan); }
.team-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
@media (max-width: 600px) { .team-grid { grid-template-columns: 1fr; } }
.team-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 28px; text-align: center;
}
.team-avatar {
  width: 80px; height: 80px; border-radius: 50%;
  background: var(--gradient); margin: 0 auto 16px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem;
}
.team-role { color: var(--cyan); font-size: 0.85rem; font-weight: 600; margin-bottom: 6px; }
.team-soon { color: var(--text-dim); font-size: 0.78rem; }

/* ---- CONTACT ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 48px; }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-info h3 { margin-bottom: 20px; }
.contact-detail { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 20px; }
.contact-detail .icon { font-size: 1.3rem; flex-shrink: 0; }
.contact-detail p { font-size: 0.93rem; }
.contact-detail a { color: var(--pink); }
.form { display: flex; flex-direction: column; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); }
.form-group input, .form-group textarea, .form-group select {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius-sm); padding: 12px 16px;
  color: var(--text); font-family: var(--font-body); font-size: 0.95rem;
  transition: border-color 0.2s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
  outline: none; border-color: var(--pink);
}
.form-group textarea { min-height: 140px; resize: vertical; }
.form-group select option { background: var(--dark2); }

/* ---- SERVICE PAGE ---- */
.service-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; margin-bottom: 32px; }
@media (max-width: 768px) { .service-grid { grid-template-columns: 1fr; } }
.feature-card {
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 24px;
}
.feature-card h4 { margin-bottom: 8px; color: var(--pink); }
.feature-card p { font-size: 0.9rem; }
.steps { display: flex; flex-direction: column; gap: 20px; counter-reset: steps; }
.step {
  display: flex; gap: 20px; align-items: flex-start;
  background: var(--card-bg); border: 1px solid var(--card-border);
  border-radius: var(--radius); padding: 24px;
}
.step-num {
  width: 36px; height: 36px; border-radius: 50%; background: var(--gradient-btn);
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 0.9rem; flex-shrink: 0;
}
.step-content h4 { margin-bottom: 6px; }
.step-content p { font-size: 0.9rem; }

/* ---- BREADCRUMB ---- */
.breadcrumb {
  padding: 16px 0; color: var(--text-dim); font-size: 0.85rem;
}
.breadcrumb a { color: var(--text-dim); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--pink); }
.breadcrumb span { margin: 0 8px; }

/* ---- ANIMATIONS ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}
.fade-up { animation: fadeUp 0.7s ease forwards; }
.fade-up-1 { animation-delay: 0.1s; opacity: 0; }
.fade-up-2 { animation-delay: 0.2s; opacity: 0; }
.fade-up-3 { animation-delay: 0.3s; opacity: 0; }