/* ============================================================
   Eco Glossy Windows — shared theme
   Palette locked from the logo SVG. One source of truth for
   tokens + header/nav/footer/buttons/cards across all pages.
   Bump ?v= on every deploy (Cloudflare cache-bust).
   ============================================================ */

:root {
  /* brand (from logo) */
  --navy:        #1B4176;
  --navy-deep:   #0C1B2D;
  --navy-soft:   rgba(27, 65, 118, 0.08);
  --sky:         #2FB1E6;
  --sky-bright:  #33BBE9;
  --sky-mid:     #3397CB;
  --leaf:        #8DB93F;
  --leaf-deep:   #558C3F;
  --gold:        #D7B04D;

  /* neutrals / surfaces */
  --ink:         #14243b;
  --ink-soft:    #47576e;
  --paper:       #f4f9fd;   /* airy blue-white */
  --paper-warm:  #ffffff;
  --glass:       rgba(255, 255, 255, 0.66);
  --glass-line:  rgba(27, 65, 118, 0.14);
  --line:        rgba(27, 65, 118, 0.12);
  --line-strong: rgba(27, 65, 118, 0.26);

  /* effects */
  --shadow-sm:   0 2px 10px rgba(12, 27, 45, 0.10);
  --shadow-md:   0 12px 34px rgba(12, 27, 45, 0.14);
  --shadow-lg:   0 24px 60px rgba(12, 27, 45, 0.20);
  --glow-sky:    0 0 0 4px rgba(47, 177, 230, 0.18);
  --radius:      18px;
  --radius-sm:   11px;
  --radius-lg:   28px;

  /* type */
  --font-display: 'Sora', system-ui, -apple-system, sans-serif;
  --font-body:    'Manrope', system-ui, -apple-system, sans-serif;

  --wrap: 1160px;
  color-scheme: light;
}

* { box-sizing: border-box; }

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 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 { font-family: var(--font-display); color: var(--navy); line-height: 1.12; margin: 0 0 .5em; letter-spacing: -0.02em; font-weight: 700; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.4rem); }
p { margin: 0 0 1.1em; }
a { color: var(--sky-mid); text-decoration-thickness: 1.5px; text-underline-offset: 2px; }
img { max-width: 100%; display: block; }
strong { font-weight: 700; color: var(--navy); }

/* focus — a11y */
:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 4px; }

.wrap { width: min(100% - 40px, var(--wrap)); margin-inline: auto; }
.section { padding: clamp(52px, 8vw, 96px) 0; }
.section--tint { background:
  radial-gradient(1200px 400px at 80% -10%, rgba(47,177,230,0.10), transparent 60%),
  radial-gradient(900px 360px at 0% 110%, rgba(141,185,63,0.08), transparent 60%),
  var(--paper); }
.section--navy { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-deep) 100%); color: #eaf3fb; }
.section--navy h2, .section--navy h3 { color: #fff; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-display); font-weight: 600; font-size: .78rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--sky-mid);
  margin: 0 0 14px;
}
.eyebrow::before { content: ""; width: 22px; height: 2px; background: var(--leaf); border-radius: 2px; }
.section--navy .eyebrow { color: var(--sky-bright); }

.sec-head { max-width: 660px; margin: 0 0 clamp(28px, 4vw, 48px); }
.sec-head.center { margin-inline: auto; text-align: center; }
.lead { font-size: 1.12rem; color: var(--ink-soft); }
.section--navy .lead, .section--navy p { color: #cfe0f0; }

/* ---------- buttons ---------- */
.btn {
  --bg: var(--leaf-deep); --fg: #fff;
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  font-family: var(--font-display); font-weight: 600; font-size: 1rem;
  padding: 15px 26px; border-radius: 999px; border: 0; cursor: pointer;
  background: var(--bg); color: var(--fg); text-decoration: none;
  box-shadow: var(--shadow-sm); transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
  line-height: 1;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn:active { transform: translateY(0); }
.btn--primary { --bg: linear-gradient(135deg, var(--leaf) 0%, var(--leaf-deep) 100%); }
.btn--sky { --bg: linear-gradient(135deg, var(--sky-bright) 0%, var(--sky-mid) 100%); }
.btn--navy { --bg: var(--navy); }
.btn--ghost { --bg: transparent; --fg: var(--navy); box-shadow: inset 0 0 0 2px var(--line-strong); }
.btn--ghost:hover { --bg: var(--navy-soft); }
.section--navy .btn--ghost { --fg: #fff; box-shadow: inset 0 0 0 2px rgba(255,255,255,.4); }
.section--navy .btn--ghost:hover { --bg: rgba(255,255,255,.1); }
.btn--lg { padding: 18px 34px; font-size: 1.08rem; }
.btn svg { width: 18px; height: 18px; }

/* ---------- glass card ---------- */
.card {
  background: var(--glass);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  border: 1px solid var(--glass-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 26px;
}

/* ---------- header / nav ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255,255,255,0.82);
  -webkit-backdrop-filter: saturate(1.4) blur(14px); backdrop-filter: saturate(1.4) blur(14px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; gap: 18px; padding: 12px 0; }
.brand { display: inline-flex; align-items: center; gap: 11px; text-decoration: none; margin-right: auto; }
.brand img { height: 46px; width: auto; }
.brand b { font-family: var(--font-display); font-weight: 800; color: var(--navy); font-size: 1.12rem; letter-spacing: -.02em; line-height: 1; }
.brand span { display: block; font-size: .64rem; letter-spacing: .16em; text-transform: uppercase; color: var(--sky-mid); font-weight: 600; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  font-family: var(--font-display); font-weight: 500; font-size: .96rem;
  color: var(--navy); text-decoration: none; padding: 9px 13px; border-radius: 10px; transition: background .15s;
}
.nav-links a:hover { background: var(--navy-soft); }
.nav-cta { display: inline-flex; align-items: center; gap: 12px; margin-left: 6px; }
.nav-call { font-family: var(--font-display); font-weight: 700; color: var(--navy); text-decoration: none; white-space: nowrap; display: inline-flex; align-items: center; gap: 7px; }
.nav-call svg { width: 17px; height: 17px; color: var(--leaf-deep); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; margin-left: auto; color: var(--navy); }
.nav-toggle svg { width: 28px; height: 28px; }

@media (max-width: 900px) {
  .nav-links, .nav-cta .btn { display: none; }
  .nav-toggle { display: inline-flex; }
  .nav-cta { margin-left: 0; }
  .nav-drawer[hidden] { display: none; }
  .nav-drawer {
    position: fixed; inset: 0 0 0 auto; width: min(84vw, 340px); z-index: 80;
    background: linear-gradient(165deg, var(--navy) 0%, var(--navy-deep) 100%);
    box-shadow: var(--shadow-lg); padding: 22px; display: flex; flex-direction: column; gap: 6px;
    transform: translateX(0); animation: drawer-in .22s ease;
  }
  @keyframes drawer-in { from { transform: translateX(100%); } to { transform: translateX(0); } }
  .nav-drawer a { color: #eaf3fb; text-decoration: none; font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; padding: 14px 12px; border-radius: 12px; border-bottom: 1px solid rgba(255,255,255,.08); }
  .nav-drawer a:hover { background: rgba(255,255,255,.08); }
  .nav-drawer .btn { margin-top: 14px; }
  .nav-drawer .drawer-close { align-self: flex-end; background: none; border: 0; color: #eaf3fb; cursor: pointer; padding: 6px; }
  .nav-drawer .drawer-close svg { width: 26px; height: 26px; }
  .nav-backdrop[hidden] { display: none; }
  .nav-backdrop { position: fixed; inset: 0; background: rgba(12,27,45,.5); z-index: 70; }
}
.nav-drawer { display: none; }
@media (max-width: 900px) { .nav-drawer:not([hidden]) { display: flex; } }

/* ---------- footer ---------- */
.site-footer { background: var(--navy-deep); color: #b9cbe0; padding: 60px 0 30px; font-size: .95rem; }
.site-footer a { color: #d7e6f5; text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: .82rem; letter-spacing: .12em; text-transform: uppercase; margin: 0 0 16px; }
.footer-brand img { height: 54px; margin-bottom: 14px; }
.footer-links { list-style: none; margin: 0; padding: 0; display: grid; gap: 9px; }
.footer-contact { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; }
.footer-contact svg { width: 16px; height: 16px; color: var(--sky); flex: none; }
.footer-bottom { margin-top: 44px; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.1); display: flex; flex-wrap: wrap; gap: 12px 24px; justify-content: space-between; align-items: center; font-size: .86rem; color: #8ea6c2; }
.footer-bottom a { color: #b9cbe0; }

/* ---------- misc utilities ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; list-style: none; margin: 0; padding: 0; }
.chip { display: inline-flex; align-items: center; gap: 8px; background: var(--glass); border: 1px solid var(--glass-line); border-radius: 999px; padding: 8px 15px; font-size: .9rem; font-weight: 600; color: var(--navy); font-family: var(--font-display); }
.chip svg { width: 16px; height: 16px; color: var(--leaf-deep); }
.section--navy .chip { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.18); color: #fff; }
.section--navy .chip svg { color: var(--sky-bright); }
.grid { display: grid; gap: 22px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 860px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; } }
.center { text-align: center; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--navy); color: #fff; padding: 12px 18px; border-radius: 0 0 10px 0; z-index: 200; }
.skip-link:focus { left: 0; }