/* ==========================================================================
   FCD Solar Engineering — Design System
   Premium, engineering-focused. Navy + white, solar amber as a disciplined
   accent (never a background wash). No stock-photo gradients, no clutter.
   ========================================================================== */

:root {
  --navy-950: #06182b;
  --navy-900: #0a2540;
  --navy-800: #12345a;
  --navy-700: #1c4677;
  --navy-100: #e7edf5;
  --navy-50: #f3f6fa;

  --amber-600: #d97e0d;
  --amber-500: #f5a623;
  --amber-400: #ffbf4d;
  --amber-100: #fef3e0;

  --white: #ffffff;
  --ink: #0f1e30;
  --ink-soft: #4c5c72;
  --ink-faint: #7f8ea3;
  --border: #e3e9f1;
  --bg: #ffffff;
  --bg-alt: #f6f8fb;

  --success: #1f8a4c;
  --danger: #c93838;

  --font-heading: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(10, 37, 64, 0.06), 0 1px 1px rgba(10, 37, 64, 0.04);
  --shadow-md: 0 8px 24px rgba(10, 37, 64, 0.08);
  --shadow-lg: 0 20px 48px rgba(10, 37, 64, 0.14);
  --header-h: 76px;
}

/* ---------- Reset ---------- */
* { box-sizing: border-box; }
html { scroll-padding-top: 96px; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4, h5 { font-family: var(--font-heading); color: var(--navy-900); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; }
p { margin: 0 0 1em; color: var(--ink-soft); }
.container { max-width: 1180px; margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: -999px; top: 0; background: var(--navy-900); color: #fff;
  padding: 10px 16px; z-index: 1000; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ---------- Eyebrow / section heading ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-heading); font-size: 13px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase; color: var(--amber-600);
  background: var(--amber-100); padding: 6px 14px; border-radius: 999px;
  margin-bottom: 16px;
}
.eyebrow i { font-size: 12px; }
.section-head { max-width: 680px; margin: 0 0 44px; }
.section-head.center { margin-left: auto; margin-right: auto; text-align: center; }
.section-head h2 { font-size: clamp(26px, 3.2vw, 36px); }
.section-head p { font-size: 17px; }
section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-navy { background: var(--navy-900); }
.section-navy .section-head h2, .section-navy h2, .section-navy h3 { color: #fff; }
.section-navy .section-head p, .section-navy p { color: #b9c6da; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: var(--font-heading); font-weight: 700; font-size: 15px;
  padding: 14px 26px; border-radius: 10px; border: 2px solid transparent;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn-primary { background: var(--amber-500); color: var(--navy-950); }
.btn-primary:hover { background: var(--amber-400); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-secondary { background: var(--navy-900); color: #fff; }
.btn-secondary:hover { background: var(--navy-800); transform: translateY(-1px); }
.btn-outline { background: transparent; border-color: var(--navy-900); color: var(--navy-900); }
.btn-outline:hover { background: var(--navy-900); color: #fff; }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,.5); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,.12); border-color: #fff; }
.btn-whatsapp { background: #25D366; color: #06341c; }
.btn-whatsapp:hover { background: #2fe075; }
.btn-block { width: 100%; }
.btn-sm { padding: 10px 18px; font-size: 14px; }
.btn-lg { padding: 17px 32px; font-size: 16px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 14px; }

/* ---------- Header ---------- */
.site-header {
  /* No backdrop-filter here: it creates a containing block for fixed-position
     descendants in Chromium, which breaks the full-height mobile nav overlay. */
  position: sticky; top: 0; z-index: 900; background: #fff;
  border-bottom: 1px solid var(--border); height: var(--header-h);
}
/* The header carries more horizontal content (logo + 8 nav links + phone +
   CTA) than the 1180px reading-width container allows, so it gets its own
   wider cap rather than fighting for space inside .container's width. */
.site-header .container { max-width: 1400px; }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand-logo { height: 34px; width: auto; display: block; }
.brand-divider { width: 1px; height: 22px; background: var(--border); display: block; }
.brand-footer .brand-divider { background: rgba(255,255,255,.2); }
.brand-text { font-family: var(--font-heading); font-size: 14px; font-weight: 700; color: var(--navy-800); letter-spacing: .01em; }
.brand-footer .brand-logo { height: 38px; }
.brand-footer .brand-text { color: #dbe4f0; }
.brand-footer { align-items: center; margin-bottom: 16px; }

.main-nav ul { display: flex; gap: 15px; }
.main-nav a {
  font-family: var(--font-heading); font-size: 14.5px; font-weight: 600; color: var(--ink-soft);
  padding: 8px 0; position: relative; transition: color .15s ease;
}
.main-nav a:hover, .main-nav a.active { color: var(--navy-900); }
.main-nav a.active::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: var(--amber-500);
}

.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.header-phone { display: flex; align-items: center; gap: 8px; font-family: var(--font-heading); font-weight: 700; font-size: 14.5px; color: var(--navy-900); }
.header-phone i { color: var(--amber-600); }

.nav-toggle {
  display: none; width: 40px; height: 40px; border: none; background: none; flex-direction: column;
  align-items: center; justify-content: center; gap: 5px;
}
.nav-toggle span { width: 22px; height: 2px; background: var(--navy-900); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Mobile bottom bar ---------- */
.mobile-bottom-bar {
  display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 950;
  background: #fff; border-top: 1px solid var(--border); box-shadow: 0 -6px 20px rgba(10,37,64,.08);
  padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
}
.mobile-bottom-bar { grid-template-columns: repeat(3, 1fr); display: none; gap: 6px; }
.mobile-bottom-bar a {
  display: flex; flex-direction: column; align-items: center; gap: 3px; font-size: 11.5px;
  font-weight: 600; color: var(--ink-soft); padding: 6px 4px; border-radius: 10px;
}
.mobile-bottom-bar a i { font-size: 17px; }
.mobile-bottom-bar a.highlight { background: var(--amber-500); color: var(--navy-950); }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 64px 0 90px; overflow: hidden; background: var(--navy-900); }
.hero::before {
  content: ''; position: absolute; inset: 0;
  background:
    radial-gradient(60% 60% at 85% 15%, rgba(245,166,35,.18), transparent 60%),
    radial-gradient(50% 50% at 10% 90%, rgba(28,70,119,.55), transparent 60%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr .95fr; gap: 56px; align-items: center; }
.hero-copy .eyebrow { background: rgba(245,166,35,.14); color: var(--amber-400); }
.hero h1 { color: #fff; font-size: clamp(32px, 4.4vw, 50px); letter-spacing: -.01em; }
.hero h1 span { color: var(--amber-500); }
.hero-copy p.lead { color: #c3cfe0; font-size: 18px; max-width: 540px; }
.hero-stats { display: flex; gap: 30px; margin-top: 36px; flex-wrap: wrap; }
.hero-stats div strong { display: block; font-family: var(--font-heading); font-size: 24px; color: #fff; }
.hero-stats div span { font-size: 13px; color: #9fb0c8; }
.hero-visual { position: relative; }
.hero-visual svg { width: 100%; height: auto; filter: drop-shadow(0 24px 40px rgba(0,0,0,.35)); }
.hero-badge {
  position: absolute; bottom: 14px; left: 14px; background: rgba(10,37,64,.85); backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,.15); color: #fff; padding: 10px 14px; border-radius: 12px;
  font-size: 12.5px; display: flex; align-items: center; gap: 8px;
}
.hero-badge i { color: var(--amber-500); }

/* ---------- Trust strip ---------- */
.trust-strip { background: var(--navy-950); padding: 22px 0; border-top: 1px solid rgba(255,255,255,.08); }
.trust-strip .container { display: flex; flex-wrap: wrap; gap: 28px; justify-content: space-between; align-items: center; }
.trust-strip span { color: #9fb0c8; font-size: 13.5px; display: flex; align-items: center; gap: 8px; }
.trust-strip i { color: var(--amber-500); }

/* ---------- Value proposition ---------- */
.value-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.value-points { display: grid; gap: 18px; margin-top: 24px; }
.value-point { display: flex; gap: 14px; align-items: flex-start; }
.value-point .ico {
  flex-shrink: 0; width: 42px; height: 42px; border-radius: 10px; background: var(--navy-50);
  color: var(--navy-800); display: flex; align-items: center; justify-content: center;
}
.value-point h4 { margin: 0 0 4px; font-size: 15.5px; }
.value-point p { margin: 0; font-size: 14.5px; }
.value-visual { background: var(--navy-50); border-radius: var(--radius-lg); padding: 32px; }
.factor-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.factor-tags span {
  background: #fff; border: 1px solid var(--border); padding: 9px 14px; border-radius: 999px;
  font-size: 13.5px; font-weight: 600; color: var(--navy-800); box-shadow: var(--shadow-sm);
}

/* ---------- Cards grid (solutions) ---------- */
.cards-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.cards-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.cards-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.solution-card {
  background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 28px 24px;
  transition: box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}
.solution-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); border-color: transparent; }
.solution-card .ico {
  width: 52px; height: 52px; border-radius: 12px; background: var(--navy-900); color: var(--amber-500);
  display: flex; align-items: center; justify-content: center; font-size: 22px; margin-bottom: 18px;
}
.solution-card h3 { font-size: 17.5px; margin-bottom: 8px; }
.solution-card p { font-size: 14.5px; margin-bottom: 0; }
.solution-card a.card-link { display: inline-flex; align-items: center; gap: 6px; margin-top: 14px; font-weight: 700; font-size: 13.5px; color: var(--navy-800); }

/* ---------- Differentiator ---------- */
.differentiator { background: var(--navy-900); border-radius: var(--radius-lg); padding: 56px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.differentiator h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); }
.differentiator p { color: #b9c6da; }
.diff-list { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 20px; }
.diff-list li { display: flex; gap: 10px; align-items: flex-start; color: #dbe4f0; font-size: 14px; }
.diff-list i { color: var(--amber-500); margin-top: 3px; }

/* ---------- Process flow ---------- */
.process-flow { display: flex; align-items: stretch; gap: 0; flex-wrap: wrap; }
.process-step {
  flex: 1 1 200px; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 24px 20px; position: relative; margin: 6px;
}
.process-step .num {
  font-family: var(--font-heading); font-size: 13px; font-weight: 800; color: var(--amber-600);
  background: var(--amber-100); width: 30px; height: 30px; border-radius: 8px; display: flex;
  align-items: center; justify-content: center; margin-bottom: 14px;
}
.process-step h4 { font-size: 15px; margin-bottom: 6px; }
.process-step p { font-size: 13.5px; margin: 0; }

.steps-simple { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.steps-simple li { list-style: none; position: relative; padding-top: 12px; }
.steps-simple li::before {
  counter-increment: step; content: counter(step);
  font-family: var(--font-heading); font-weight: 800; font-size: 20px; color: var(--navy-900);
  width: 46px; height: 46px; border: 2px solid var(--amber-500); border-radius: 50%;
  display: flex; align-items: center; justify-content: center; margin-bottom: 14px;
}
.steps-simple h4 { font-size: 15.5px; margin-bottom: 6px; }
.steps-simple p { font-size: 14px; }

/* ---------- Solar type cards ---------- */
.type-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 26px; display: flex; flex-direction: column; }
.type-card h3 { font-size: 18px; }
.type-card .meta-row { display: flex; flex-direction: column; gap: 12px; margin: 14px 0; }
.type-card .meta-row div span.label { display: block; font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; font-weight: 700; color: var(--amber-600); margin-bottom: 3px; }
.type-card .meta-row div p { font-size: 14px; margin: 0; }
.type-card .btn { margin-top: auto; }

/* ---------- Generator vs solar ---------- */
.vs-block { display: grid; grid-template-columns: 1fr auto 1fr; gap: 24px; align-items: stretch; }
.vs-col { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 30px; }
.vs-col.negative h4 { color: var(--danger); }
.vs-col.positive h4 { color: var(--success); }
.vs-col ul { display: grid; gap: 12px; margin-top: 16px; }
.vs-col li { display: flex; gap: 10px; font-size: 14.5px; color: var(--ink-soft); }
.vs-divider { display: flex; align-items: center; justify-content: center; font-family: var(--font-heading); font-weight: 800; color: var(--ink-faint); }

/* ---------- Case study ---------- */
.case-study {
  background: var(--navy-900); border-radius: var(--radius-lg); overflow: hidden;
  display: grid; grid-template-columns: 1fr 1fr;
}
.case-copy { padding: 48px; }
.case-tag {
  display: inline-block; background: rgba(245,166,35,.15); color: var(--amber-400); font-size: 12px;
  font-weight: 700; text-transform: uppercase; letter-spacing: .05em; padding: 6px 12px; border-radius: 999px; margin-bottom: 16px;
}
.case-copy h3 { color: #fff; font-size: 26px; }
.case-copy p { color: #b9c6da; }
.case-stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; padding: 48px; background: rgba(255,255,255,.03); }
.case-stat { border-left: 3px solid var(--amber-500); padding-left: 14px; }
.case-stat strong { display: block; color: #fff; font-family: var(--font-heading); font-size: 22px; }
.case-stat span { color: #9fb0c8; font-size: 13px; }

/* ---------- Mono-slope ---------- */
.mono-slope { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.benefit-list { display: grid; gap: 16px; margin-top: 22px; }
.benefit-list li { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--ink-soft); }
.benefit-list i { color: var(--amber-600); margin-top: 3px; }

/* ---------- Why FCD ---------- */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.why-card { padding: 26px; border-radius: var(--radius-md); background: #fff; border: 1px solid var(--border); }
.why-card .ico { width: 44px; height: 44px; border-radius: 10px; background: var(--amber-100); color: var(--amber-600); display: flex; align-items: center; justify-content: center; margin-bottom: 14px; font-size: 19px; }
.why-card h4 { font-size: 15.5px; margin-bottom: 6px; }
.why-card p { font-size: 14px; margin: 0; }

/* ---------- Expertise strip ---------- */
.expertise-strip { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
.expertise-strip span {
  display: flex; align-items: center; gap: 8px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.12);
  color: #dbe4f0; padding: 10px 16px; border-radius: 999px; font-size: 13.5px; font-weight: 600;
}
.expertise-strip i { color: var(--amber-500); }

/* ---------- FAQ ---------- */
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px;
  background: none; border: none; text-align: left; padding: 20px 22px; font-family: var(--font-heading);
  font-weight: 700; font-size: 15.5px; color: var(--navy-900);
}
.faq-question i { color: var(--amber-600); transition: transform .2s ease; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .25s ease; }
.faq-answer-inner { padding: 0 22px 20px; font-size: 14.5px; color: var(--ink-soft); }

/* ---------- Disclaimer box ---------- */
.disclaimer-box {
  background: var(--navy-50); border: 1px solid var(--navy-100); border-radius: var(--radius-md);
  padding: 24px 26px; display: flex; gap: 16px; align-items: flex-start; max-width: 900px; margin: 40px auto 0;
}
.disclaimer-box i { color: var(--amber-600); font-size: 20px; margin-top: 2px; }
.disclaimer-box p { font-size: 13.5px; margin: 0; color: var(--ink-soft); }

/* ---------- Final CTA ---------- */
.final-cta { background: var(--navy-900); border-radius: var(--radius-lg); padding: 64px; text-align: center; position: relative; overflow: hidden; }
.final-cta::before { content: ''; position: absolute; inset: 0; background: radial-gradient(60% 100% at 50% 0%, rgba(245,166,35,.16), transparent 60%); }
.final-cta > * { position: relative; }
.final-cta h2 { color: #fff; font-size: clamp(24px, 3.4vw, 34px); }
.final-cta p { color: #c3cfe0; max-width: 560px; margin-left: auto; margin-right: auto; font-size: 16px; }
.final-cta .cta-row { justify-content: center; margin-top: 26px; }

/* ---------- Forms ---------- */
.form-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; box-shadow: var(--shadow-md); }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 18px; }
.form-group.full { grid-column: 1 / -1; }
.form-group label { font-size: 13.5px; font-weight: 700; color: var(--navy-900); }
.form-group label .req { color: var(--danger); }
.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
  border: 1.5px solid var(--border); border-radius: 10px; padding: 12px 14px; font-size: 14.5px;
  font-family: var(--font-body); color: var(--ink); background: #fff; transition: border-color .15s ease;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--amber-500); box-shadow: 0 0 0 3px rgba(245,166,35,.15);
}
.form-group textarea { resize: vertical; min-height: 110px; }
.honeypot-field { position: absolute; left: -9999px; top: -9999px; opacity: 0; height: 0; width: 0; }
.form-note { font-size: 12.5px; color: var(--ink-faint); margin-top: 14px; }
.form-alert { border-radius: 10px; padding: 16px 18px; font-size: 14.5px; margin-bottom: 24px; display: flex; gap: 12px; align-items: flex-start; }
.form-alert.success { background: #e9f7ef; color: #146c3a; border: 1px solid #bfe6cf; }
.form-alert.error { background: #fdecec; color: #a92a2a; border: 1px solid #f5c2c2; }
.form-alert ul { margin: 6px 0 0 18px; list-style: disc; }

/* ---------- Contact page ---------- */
.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 40px; align-items: start; }
.contact-info-card { background: var(--navy-900); border-radius: var(--radius-lg); padding: 36px; color: #fff; }
.contact-info-card h3 { color: #fff; }
.contact-info-list { display: grid; gap: 20px; margin-top: 22px; }
.contact-info-list li { display: flex; gap: 14px; }
.contact-info-list .ico { width: 40px; height: 40px; border-radius: 10px; background: rgba(255,255,255,.08); color: var(--amber-500); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.contact-info-list strong { display: block; color: #fff; font-size: 14.5px; }
.contact-info-list span, .contact-info-list a { color: #b9c6da; font-size: 13.5px; }
.map-embed { border-radius: var(--radius-md); overflow: hidden; margin-top: 24px; border: 1px solid rgba(255,255,255,.15); }
.map-embed iframe { width: 100%; height: 220px; border: 0; display: block; }

/* ---------- About page ---------- */
.about-hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.stat-strip { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; margin-top: 32px; }
.stat-box { text-align: center; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px; }
.stat-box strong { display: block; font-family: var(--font-heading); font-size: 26px; color: var(--navy-900); }
.stat-box span { font-size: 12.5px; color: var(--ink-faint); }

/* ---------- Article page ---------- */
.author-card {
  max-width: 760px; margin: 0 auto 8px; display: flex; align-items: center; gap: 18px;
  background: var(--navy-50); border: 1px solid var(--navy-100); border-radius: var(--radius-md); padding: 18px 22px;
}
.author-photo { width: 68px; height: 68px; border-radius: 50%; object-fit: cover; flex-shrink: 0; border: 2px solid #fff; box-shadow: var(--shadow-sm); }
.author-card strong { display: block; color: var(--navy-900); font-family: var(--font-heading); font-size: 16px; }
.author-card span { display: block; color: var(--ink-soft); font-size: 13.5px; margin-top: 2px; }
.author-card a { display: inline-flex; align-items: center; gap: 6px; color: var(--amber-600); font-size: 12.5px; font-weight: 700; margin-top: 6px; }
.article-body { max-width: 760px; margin: 0 auto; }
.article-lede { font-size: 18px; color: var(--ink); line-height: 1.7; }
.article-body h2 { font-size: 21px; margin-top: 44px; padding-top: 4px; }
.article-body h2::before {
  content: ''; display: block; width: 40px; height: 3px; background: var(--amber-500); border-radius: 2px; margin-bottom: 16px;
}
.article-body p { font-size: 15.5px; line-height: 1.75; }
.article-body ul { margin: 0 0 20px; padding-left: 22px; }
.article-body li { list-style: disc; font-size: 15.5px; line-height: 1.7; color: var(--ink-soft); margin-bottom: 8px; }
.article-body a { color: var(--navy-800); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Breadcrumb / page hero (interior pages) ---------- */
.page-hero { background: var(--navy-900); padding: 56px 0 64px; position: relative; overflow: hidden; }
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(55% 70% at 90% 0%, rgba(245,166,35,.14), transparent 60%);
}
.page-hero .container { position: relative; }
.page-hero .eyebrow { background: rgba(245,166,35,.14); color: var(--amber-400); }
.page-hero h1 { color: #fff; font-size: clamp(28px, 3.8vw, 42px); max-width: 760px; }
.page-hero p { color: #c3cfe0; max-width: 620px; font-size: 16.5px; }
.breadcrumb { display: flex; gap: 8px; font-size: 13px; color: #93a3bd; margin-bottom: 18px; }
.breadcrumb a { color: #93a3bd; }
.breadcrumb a:hover { color: #fff; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-950); padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 40px; padding-bottom: 56px; }
.footer-col h4 { color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; margin-bottom: 18px; }
.footer-col ul { display: grid; gap: 11px; }
.footer-col a { color: #9fb0c8; font-size: 14px; transition: color .15s ease; }
.footer-col a:hover { color: var(--amber-400); }
.footer-brand p { color: #9fb0c8; font-size: 14px; max-width: 320px; }
.footer-parent { font-size: 13px; }
.footer-parent a { color: var(--amber-400); font-weight: 600; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 38px; height: 38px; border-radius: 10px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.1);
  display: flex; align-items: center; justify-content: center; color: #dbe4f0; font-size: 15px;
}
.footer-social a:hover { background: var(--amber-500); color: var(--navy-950); border-color: transparent; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; color: #9fb0c8; font-size: 13.5px; }
.footer-contact i { color: var(--amber-500); margin-top: 3px; flex-shrink: 0; }
.footer-contact a { color: #9fb0c8; }
.footer-col .btn { margin-top: 18px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.08); padding: 22px 0; }
.footer-bottom-inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.footer-bottom p { margin: 0; color: #7f8ea3; font-size: 13px; }
.footer-disclaimer-link a { color: #9fb0c8; }
.footer-disclaimer-link a:hover { color: var(--amber-400); }

/* ---------- Utility ---------- */
.text-center { text-align: center; }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }
.divider-line { height: 1px; background: var(--border); margin: 56px 0; }
.tag-pill {
  display: inline-flex; align-items: center; gap: 6px; background: var(--navy-50); color: var(--navy-800);
  font-size: 12.5px; font-weight: 700; padding: 6px 12px; border-radius: 999px;
}

/* ==========================================================================
   Motion — scroll reveal, hover polish, ambient movement.
   Everything here is inert until JS adds .js-animate to <html> (so content
   is never hidden if JS fails) and is fully disabled under
   prefers-reduced-motion.
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
  html.js-animate .reveal {
    opacity: 0;
    transform: translateY(28px);
    transition: opacity .7s cubic-bezier(.16,.8,.3,1), transform .7s cubic-bezier(.16,.8,.3,1);
    transition-delay: var(--reveal-delay, 0s);
  }
  html.js-animate .reveal.is-visible { opacity: 1; transform: translateY(0); }

  /* Buttons: lift + soft glow instead of the flatter default hover */
  .btn { transition: transform .2s cubic-bezier(.16,.8,.3,1), box-shadow .2s ease, background .2s ease, color .2s ease; }
  .btn-primary:hover { box-shadow: 0 10px 28px rgba(245,166,35,.35); }
  .btn-secondary:hover, .btn-outline:hover { box-shadow: 0 10px 24px rgba(10,37,64,.18); }
  .btn:active { transform: translateY(0) scale(.98); }

  /* Card lift already exists for .solution-card; extend the same polish */
  .type-card, .why-card, .process-step, .vs-col, .contact-info-card, .form-card {
    transition: box-shadow .25s ease, transform .25s ease;
  }
  .type-card:hover, .why-card:hover, .process-step:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }

  .solution-card .ico, .why-card .ico, .type-card .ico {
    transition: transform .3s cubic-bezier(.34,1.56,.64,1);
  }
  .solution-card:hover .ico, .why-card:hover .ico { transform: scale(1.1) rotate(-4deg); }

  /* Nav underline sweeps in from the left instead of just appearing */
  .main-nav a::before {
    content: ''; position: absolute; left: 0; right: 100%; bottom: -4px; height: 2px;
    background: var(--amber-500); transition: right .25s ease;
  }
  .main-nav a { position: relative; }
  .main-nav a:hover::before { right: 0; }

  /* Hero: gentle ambient float on the building illustration + badge fade-in */
  .hero-visual svg { animation: heroFloat 7s ease-in-out infinite; }
  .hero-badge { animation: fadeInUp .7s cubic-bezier(.16,.8,.3,1) .5s both; }
  .hero-copy .eyebrow { animation: fadeInUp .6s cubic-bezier(.16,.8,.3,1) both; }
  .hero-copy h1 { animation: fadeInUp .7s cubic-bezier(.16,.8,.3,1) .08s both; }
  .hero-copy p.lead { animation: fadeInUp .7s cubic-bezier(.16,.8,.3,1) .16s both; }
  .hero-copy .cta-row { animation: fadeInUp .7s cubic-bezier(.16,.8,.3,1) .24s both; }
  .hero-stats { animation: fadeInUp .7s cubic-bezier(.16,.8,.3,1) .32s both; }

  /* Eyebrow pills get a quiet pulse on the accent dot to draw the eye */
  .eyebrow i { display: inline-block; animation: softPulse 2.4s ease-in-out infinite; }

  .faq-question i { transition: transform .3s cubic-bezier(.4,0,.2,1); }
}

@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes softPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.15); opacity: .75; }
}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-simple { grid-template-columns: repeat(2, 1fr); }
  .stat-strip { grid-template-columns: repeat(2, 1fr); }
  .case-study { grid-template-columns: 1fr; }
  .case-stats { grid-template-columns: repeat(2, 1fr); }
  .differentiator { grid-template-columns: 1fr; padding: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
}

/* Nav collapses to a hamburger before the (now trimmed) 6 nav links
   would wrap — logo + 6 links + phone + CTA needs ~1100px to lay out
   cleanly, so most laptop screens now get the full inline nav. */
@media (max-width: 1080px) {
  .main-nav { position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0; background: #fff;
    transform: translateX(100%); transition: transform .25s ease; overflow-y: auto; padding: 24px; z-index: 890; }
  .main-nav.open { transform: translateX(0); }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav a { display: block; padding: 14px 6px; border-bottom: 1px solid var(--border); font-size: 16px; }
  .nav-toggle { display: flex; }
  .header-phone { display: none; }
}

@media (max-width: 860px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { order: -1; max-width: 420px; margin: 0 auto; }
  .value-grid, .mono-slope, .about-hero { grid-template-columns: 1fr; }
  .value-visual { order: -1; }
  .vs-block { grid-template-columns: 1fr; }
  .vs-divider { padding: 6px 0; }
  .case-study, .case-stats, .cards-grid, .cards-grid.cols-3, .why-grid, .steps-simple, .stat-strip, .footer-grid { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  section { padding: 60px 0; }
  .differentiator, .final-cta { padding: 32px 24px; }
  .form-card { padding: 26px; }
}

@media (max-width: 600px) {
  .header-actions .btn-primary { display: none; }
  .mobile-bottom-bar { display: grid; }
  body { padding-bottom: 68px; }
}

@media (max-width: 420px) {
  .brand-divider, .brand-text { display: none; }
}