/* ==========================================================================
   Thunder IT — Design System (light / professional)
   ========================================================================== */

:root {
  --bg:        #ffffff;
  --bg-soft:   #f2f6fc;
  --bg-mute:   #eaf0f9;

  --navy:      #0e2038;
  --navy-2:    #16375f;

  --ink:       #142339;   /* headings */
  --text:      #41506a;   /* body      */
  --text-2:    #5f6f88;
  --muted:     #8b98ad;

  --brand:     #1f6feb;   /* professional blue */
  --brand-dark:#1558c0;
  --brand-soft:#e8f1fe;
  --accent:    #0a5cc2;   /* deep logo blue */
  --accent-dark:#084a9e;

  --border:    #e4eaf3;
  --border-2:  #d3ddec;

  --shadow-sm: 0 2px 10px rgba(14,32,56,0.06);
  --shadow:    0 14px 34px -14px rgba(14,32,56,0.20);
  --shadow-lg: 0 30px 70px -24px rgba(14,32,56,0.30);

  --radius:    16px;
  --radius-sm: 10px;
  --container: 1180px;

  --font-head: 'Poppins', system-ui, -apple-system, Segoe UI, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.68;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

h1, h2, h3, h4, h5 { font-family: var(--font-head); color: var(--ink); font-weight: 700; line-height: 1.18; letter-spacing: -0.01em; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* ---- Utilities ---- */
.text-brand { color: var(--brand); }
.text-accent { color: var(--accent); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head);
  font-size: 13px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--brand);
  padding: 7px 14px; border-radius: 999px;
  background: var(--brand-soft);
}
.section { padding: 90px 0; position: relative; }
.section-soft { background: var(--bg-soft); }
.section-head { max-width: 660px; margin: 0 auto 54px; text-align: center; }
.section-head h2 { font-size: clamp(28px, 4vw, 42px); margin: 16px 0 14px; }
.section-head p { color: var(--text-2); font-size: 18px; }
.center { text-align: center; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-head); font-weight: 600; font-size: 15.5px;
  padding: 13px 24px; border-radius: 10px; border: 1.5px solid transparent;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background .2s, color .2s, border-color .2s;
  white-space: nowrap;
}
.btn svg { width: 18px; height: 18px; }
.btn-accent { color: #fff; background: var(--accent); box-shadow: 0 8px 20px -8px rgba(10,92,194,0.75); }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 12px 26px -8px rgba(10,92,194,0.85); }
.btn-primary { color: #fff; background: var(--brand); box-shadow: 0 8px 20px -8px rgba(31,111,235,0.6); }
.btn-primary:hover { background: var(--brand-dark); transform: translateY(-2px); }
.btn-ghost { color: var(--ink); border-color: var(--border-2); background: #fff; }
.btn-ghost:hover { border-color: var(--brand); color: var(--brand); transform: translateY(-2px); }
.btn-white { color: var(--navy); background: #fff; }
.btn-white:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-outline-light { color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-outline-light:hover { background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 16px 30px; font-size: 16.5px; }

.link-arrow { display: inline-flex; align-items: center; gap: 7px; font-family: var(--font-head); font-weight: 600; font-size: 15px; color: var(--accent); transition: gap .2s; }
.link-arrow:hover { gap: 11px; color: var(--accent-dark); }
.link-arrow svg { width: 16px; height: 16px; }

/* ---- Top utility bar ---- */
.topbar { background: var(--navy); color: #cdd8e8; font-size: 13.5px; }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 42px; }
.topbar a, .topbar span { display: inline-flex; align-items: center; gap: 7px; color: #cdd8e8; }
.topbar a:hover { color: #fff; }
.topbar svg { width: 15px; height: 15px; color: var(--accent); }
.topbar-left { display: flex; gap: 22px; }
.topbar-right { display: flex; gap: 22px; }

/* ---- Header ---- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--navy);
  border-top: 1px solid rgba(255,255,255,0.07);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: 0 8px 26px rgba(0,0,0,0.38); }
.nav { display: flex; align-items: center; justify-content: space-between; height: 92px; gap: 20px; }
.brand { display: inline-flex; align-items: center; flex: none; }
.brand-logo { height: 68px; width: auto; }
.footer .brand-logo { height: 58px; }

.nav-links { display: flex; align-items: center; gap: 2px; list-style: none; }
.nav-links a {
  color: #cdd8e8; font-weight: 500; font-size: 15.5px; font-family: var(--font-head);
  padding: 9px 16px; border-radius: 8px; transition: color .2s, background .2s;
}
.nav-links a:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-links a.active { color: #7cc0ff; }
.nav-cta { display: flex; align-items: center; gap: 14px; }

.hamburger { display: none; width: 46px; height: 46px; border: 1px solid rgba(255,255,255,0.2); border-radius: 10px; background: rgba(255,255,255,0.04); position: relative; }
.hamburger span { position: absolute; left: 12px; right: 12px; height: 2px; background: #e8edf6; border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.hamburger span:nth-child(1) { top: 16px; }
.hamburger span:nth-child(2) { top: 22px; }
.hamburger span:nth-child(3) { top: 28px; }
.hamburger.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-menu { display: none; flex-direction: column; gap: 2px; padding: 10px 24px 22px; border-bottom: 1px solid rgba(255,255,255,0.08); background: var(--navy); }
.mobile-menu.open { display: flex; }
.mobile-menu a { color: #cdd8e8; font-weight: 500; font-family: var(--font-head); padding: 13px 12px; border-radius: 8px; }
.mobile-menu a:hover, .mobile-menu a.active { color: #fff; background: rgba(255,255,255,0.08); }
.mobile-menu .btn { margin-top: 10px; }

/* ---- Hero (full-bleed background image) ---- */
.hero { position: relative; overflow: hidden; min-height: 768px; display: flex; align-items: center; padding: 110px 0; }
.hero-bg { position: absolute; inset: 0; z-index: 0; background: url('/assets/oklahoma-aerial.jpg.jpg') center center / cover no-repeat; transform: scale(1.15); will-change: transform; filter: brightness(1.12) saturate(1.06); }
.hero-overlay { position: absolute; inset: 0; z-index: 1; background: linear-gradient(95deg, rgba(7,16,31,0.85) 0%, rgba(7,16,31,0.63) 42%, rgba(7,16,31,0.30) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 680px; }
.hero h1 { font-size: clamp(38px, 6vw, 64px); margin: 22px 0 20px; color: #fff; }
.hero h1 .hl { color: #7cc0ff; }
.hero p.lead { font-size: 19px; color: #d7e0ee; max-width: 560px; margin-bottom: 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.hero-list { display: flex; flex-wrap: wrap; gap: 14px 26px; }
.hero-list span { display: inline-flex; align-items: center; gap: 9px; font-size: 15px; color: #eef3fa; font-weight: 500; }
.hero-list svg { width: 20px; height: 20px; color: #7cc0ff; flex: none; }

.hero-media { position: relative; }
.hero-media .frame {
  border-radius: 20px; overflow: hidden; box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.hero-media .frame img { width: 100%; height: 460px; object-fit: cover; display: block; }
.hero-badge {
  position: absolute; left: -18px; bottom: 28px;
  background: #fff; border: 1px solid var(--border); border-radius: 14px;
  box-shadow: var(--shadow); padding: 16px 20px; display: flex; align-items: center; gap: 14px;
}
.hero-badge .ic { width: 44px; height: 44px; border-radius: 11px; background: var(--brand-soft); display: grid; place-items: center; flex: none; }
.hero-badge .ic svg { width: 22px; height: 22px; color: var(--brand); }
.hero-badge b { display: block; color: var(--ink); font-family: var(--font-head); font-size: 15px; }
.hero-badge span { font-size: 13px; color: var(--muted); }
.hero-accent { position: absolute; z-index: -1; top: -30px; right: -30px; width: 240px; height: 240px; background: radial-gradient(circle, rgba(31,111,235,0.16), transparent 70%); }

/* ---- Cards / grids ---- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 26px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }

.card {
  position: relative; background: var(--card);
  border: 1px solid var(--border); border-radius: var(--radius);
  padding: 30px; box-shadow: var(--shadow-sm);
  transition: transform .3s var(--ease), box-shadow .3s, border-color .3s;
}
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--border-2); }

.icon-chip { width: 56px; height: 56px; border-radius: 14px; display: grid; place-items: center; background: var(--brand-soft); margin-bottom: 20px; }
.icon-chip svg { width: 27px; height: 27px; color: var(--brand); }
.card h3 { font-size: 20px; margin-bottom: 10px; }
.card > p { color: var(--text-2); font-size: 15.5px; margin-bottom: 18px; }
.card-list { list-style: none; display: flex; flex-direction: column; gap: 9px; margin-bottom: 20px; }
.card-list li { display: flex; align-items: flex-start; gap: 10px; font-size: 15px; color: var(--text); }
.card-list li svg { width: 19px; height: 19px; color: var(--brand); flex: none; margin-top: 2px; }

.feature { padding: 28px; }
.feature .icon-chip { width: 50px; height: 50px; border-radius: 13px; margin-bottom: 16px; }
.feature .icon-chip svg { width: 24px; height: 24px; }
.feature h3 { font-size: 18px; }
.feature p { color: var(--text-2); font-size: 15px; margin-top: 8px; }

/* Process */
.steps { display: grid; grid-template-columns: repeat(4,1fr); gap: 24px; }
.step { padding: 28px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.step .num { font-family: var(--font-head); font-weight: 700; font-size: 16px; width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; color: #fff; background: var(--brand); margin-bottom: 18px; }
.step:nth-child(2) .num { background: var(--accent); }
.step:nth-child(3) .num { background: var(--navy-2); }
.step:nth-child(4) .num { background: var(--brand-dark); }
.step h3 { font-size: 18px; margin-bottom: 8px; }
.step p { color: var(--text-2); font-size: 15px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(4,1fr); gap: 22px; }
.stat { text-align: center; padding: 26px 18px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow-sm); }
.stat .n { font-family: var(--font-head); font-weight: 700; font-size: clamp(26px,4vw,38px); color: var(--brand); }
.stat .l { color: var(--text-2); font-size: 14.5px; margin-top: 6px; }

/* Quote / trust */
.quote { max-width: 820px; margin: 0 auto; text-align: center; }
.quote .mark { font-family: var(--font-head); font-size: 60px; line-height: 0.5; color: var(--brand); opacity: 0.3; }
.quote p { font-size: clamp(20px, 2.6vw, 26px); color: var(--ink); font-family: var(--font-head); font-weight: 500; line-height: 1.45; margin: 18px 0 22px; }
.quote .who { color: var(--text-2); font-size: 15px; }

/* ---- CTA band (navy) ---- */
.cta-band { position: relative; overflow: hidden; border-radius: 22px; background: var(--navy); padding: 56px; text-align: center; }
.cta-band::before { content:""; position:absolute; top:-60%; right:-10%; width:420px; height:420px; border-radius:50%; background: radial-gradient(circle, rgba(31,111,235,0.35), transparent 65%); }
.cta-band::after { content:""; position:absolute; bottom:-60%; left:-8%; width:360px; height:360px; border-radius:50%; background: radial-gradient(circle, rgba(10,92,194,0.28), transparent 65%); }
.cta-band > * { position: relative; }
.cta-band h2 { color: #fff; font-size: clamp(26px,4vw,40px); margin-bottom: 14px; }
.cta-band p { color: #c6d2e4; font-size: 18px; max-width: 560px; margin: 0 auto 26px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---- Contact ---- */
.contact-wrap { display: grid; grid-template-columns: 1fr 1.1fr; gap: 40px; align-items: start; }
.info-panel { display: flex; flex-direction: column; gap: 16px; }
.info-item { display: flex; gap: 16px; align-items: flex-start; padding: 20px; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow-sm); }
.info-item .ic { width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center; background: var(--brand-soft); flex: none; }
.info-item .ic svg { width: 22px; height: 22px; color: var(--brand); }
.info-item h4 { font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-family: var(--font-body); font-weight: 700; margin-bottom: 4px; }
.info-item a, .info-item p { color: var(--ink); font-size: 16px; font-weight: 500; }
.info-item a:hover { color: var(--brand); }

.form-card { border: 1px solid var(--border); border-radius: var(--radius); background: #fff; padding: 32px; box-shadow: var(--shadow-sm); }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: 13.5px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; font-family: inherit; font-size: 15px;
  color: var(--ink); background: #fff;
  border: 1.5px solid var(--border-2); border-radius: var(--radius-sm);
  transition: border-color .2s, box-shadow .2s; outline: none;
}
.field textarea { resize: vertical; min-height: 130px; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--brand); box-shadow: 0 0 0 3px rgba(31,111,235,0.14); }
.field select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 15px center; padding-right: 42px; }
.form-note { font-size: 13px; color: var(--muted); margin-top: 4px; }
.form-status { margin-top: 16px; padding: 14px 16px; border-radius: var(--radius-sm); font-size: 14.5px; display: none; }
.form-status.show { display: block; }
.form-status.ok { background: #e7f7ee; border: 1px solid #b7e6cb; color: #157347; }
.form-status.err { background: #fdecec; border: 1px solid #f5c2c2; color: #b02a2a; }
.btn[disabled] { opacity: .6; cursor: not-allowed; transform: none; }

/* Page hero (interior) */
.page-hero { padding: 60px 0 8px; text-align: center; background: var(--bg-soft); border-bottom: 1px solid var(--border); }
.page-hero .container { padding-bottom: 52px; }
.page-hero h1 { font-size: clamp(32px, 5vw, 50px); margin: 16px 0 14px; }
.page-hero p { color: var(--text-2); font-size: 18px; max-width: 620px; margin: 0 auto; }

/* Prose */
.prose { max-width: 760px; margin: 0 auto; }
.prose p { color: var(--text); font-size: 17px; margin-bottom: 20px; }
.prose h2 { font-size: 27px; margin: 38px 0 14px; }

/* ---- Footer ---- */
.footer { background: var(--navy); color: #b7c4d8; padding: 64px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.3fr; gap: 40px; }
.footer .brand { margin-bottom: 18px; }
.footer-about p { color: #a7b6cc; font-size: 15px; max-width: 300px; }
.footer h5 { color: #fff; font-size: 14px; letter-spacing: 0.05em; text-transform: uppercase; margin-bottom: 18px; }
.footer ul { list-style: none; display: flex; flex-direction: column; gap: 11px; }
.footer ul a { color: #a7b6cc; font-size: 15px; transition: color .2s; }
.footer ul a:hover { color: var(--accent); }
.footer-contact { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; color: #a7b6cc; font-size: 15px; }
.footer-contact a { color: #a7b6cc; }
.footer-contact a:hover { color: var(--accent); }
.footer-contact svg { width: 17px; height: 17px; color: var(--accent); flex: none; }
.socials { display: flex; gap: 10px; margin-top: 18px; }
.socials a { width: 40px; height: 40px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,0.06); color: #cdd8e8; transition: all .25s; }
.socials a:hover { color: #fff; background: var(--accent); transform: translateY(-2px); }
.socials svg { width: 19px; height: 19px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-top: 46px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); }
.footer-bottom p { color: #8496b0; font-size: 14px; }
.footer-bottom .staff { color: #8496b0; font-size: 13px; }
.footer-bottom .staff:hover { color: var(--accent); }

/* Reveal */
.reveal { opacity: 0; transform: translateY(34px) scale(0.985); transition: opacity .7s var(--ease), transform .85s var(--ease); will-change: opacity, transform; }
.reveal.in { opacity: 1; transform: none; }

/* Scroll progress bar */
.scroll-progress {
  position: fixed; top: 0; left: 0; height: 3px; width: 0; z-index: 200;
  background: linear-gradient(90deg, var(--brand), var(--accent));
  box-shadow: 0 0 12px rgba(31,111,235,0.65);
  transition: width .08s linear; pointer-events: none;
}

/* Hero parallax + float */
.hero-media .frame img { transform: scale(1.12); }
.hero-badge { animation: floaty 4.6s ease-in-out infinite; }
@keyframes floaty { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }

/* Responsive */
@media (max-width: 960px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-media { max-width: 560px; }
  .grid-4, .stats, .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 820px) {
  .nav-links, .topbar-right { display: none; }
  .topbar-inner { justify-content: center; }
  .topbar-left { gap: 18px; }
  .hamburger { display: block; }
  .nav-cta .btn:not(.hamburger) { display: none; }
  .grid-3, .grid-2, .contact-wrap { grid-template-columns: 1fr; }
  .section { padding: 66px 0; }
  .cta-band { padding: 40px 24px; }
  .hero-badge { left: 12px; }
}
@media (max-width: 520px) {
  body { font-size: 16px; }
  .grid-4, .stats, .steps, .footer-grid { grid-template-columns: 1fr; }
  .container { padding: 0 18px; }
  .topbar-left { flex-direction: column; gap: 2px; height: auto; }
  .topbar { padding: 6px 0; }
  .topbar-inner { height: auto; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn { width: 100%; }
  .hero { min-height: 600px; padding: 76px 0; }
  .hero-overlay { background: linear-gradient(180deg, rgba(7,16,31,0.82) 0%, rgba(7,16,31,0.68) 100%); }
}