/* ==========================================================================
   P3 — base styles (mobile-first)
   ========================================================================== */

:root {
  --navy-900: #0b1724;
  --navy-800: #12243a;
  --navy-700: #1b3352;
  --steel-500: #5b6b7f;
  --steel-200: #d5dce4;
  --steel-100: #eef2f6;
  --white: #ffffff;
  --accent: #f26b1d;        /* safety orange */
  --accent-dark: #b54a0b;   /* text & button fills (≥4.5:1 on white + steel-100) */
  --accent-darker: #a3420a;
  --text: #1a2633;
  --text-muted: #4f5d6d;

  --font: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --radius: 10px;
  --shadow: 0 6px 24px rgba(11, 23, 36, 0.08);
  --max: 1160px;
  --gutter: clamp(1rem, 4vw, 2rem);
  --section: clamp(3.5rem, 8vw, 6rem);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img, svg { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  line-height: 1.15;
  margin: 0 0 0.6em;
  font-weight: 800;
  letter-spacing: -0.02em;
}
h1 { font-size: clamp(2.1rem, 5.5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.8vw, 2.5rem); }
h3 { font-size: 1.2rem; letter-spacing: -0.01em; }

p { margin: 0 0 1em; }
a { color: var(--accent-dark); }

.container {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent-dark);
  color: var(--white);
  padding: 0.75rem 1rem;
  z-index: 100;
}
.skip-link:focus { left: 1rem; }

:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--accent-dark); color: var(--white); }
.btn-primary:hover { background: var(--accent-darker); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.5); color: var(--white); }
.btn-ghost:hover { border-color: var(--white); background: rgba(255, 255, 255, 0.08); }
.btn-outline { border-color: var(--navy-800); color: var(--navy-800); }
.btn-outline:hover { background: var(--navy-800); color: var(--white); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy-900);
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 68px;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--white);
  text-decoration: none;
  font-weight: 800;
  font-size: 1.15rem;
}
.logo-mark {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  border-radius: 8px;
  background: var(--accent);
  font-size: 1.05rem;
  letter-spacing: -0.03em;
}
.logo small {
  display: block;
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel-200);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: none;
  border: 0;
  color: var(--white);
  cursor: pointer;
}
.nav-toggle-bars,
.nav-toggle-bars::before,
.nav-toggle-bars::after {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.25s, opacity 0.25s;
  position: relative;
}
.nav-toggle-bars::before,
.nav-toggle-bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle-bars::before { top: -7px; }
.nav-toggle-bars::after { top: 7px; }
.nav-open .nav-toggle-bars { background: transparent; }
.nav-open .nav-toggle-bars::before { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle-bars::after { transform: translateY(-7px) rotate(-45deg); }

.site-nav {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--navy-900);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.5rem var(--gutter) 1.5rem;
  display: none;
}
.nav-open .site-nav { display: block; }
.site-nav ul { list-style: none; margin: 0 0 1rem; padding: 0; }
.site-nav a:not(.btn) {
  display: block;
  padding: 0.85rem 0;
  color: var(--steel-200);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}
.site-nav a:not(.btn):hover,
.site-nav a[aria-current="page"] { color: var(--white); }
.site-nav a[aria-current="page"] { box-shadow: inset 3px 0 0 var(--accent); padding-left: 0.75rem; }
.site-nav .btn { width: 100%; }

@media (min-width: 860px) {
  .nav-toggle { display: none; }
  .site-nav {
    position: static;
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0;
    border: 0;
    background: none;
  }
  .site-nav ul { display: flex; gap: 1.75rem; margin: 0; }
  .site-nav a:not(.btn) { padding: 0.5rem 0; border: 0; }
  .site-nav a[aria-current="page"] { padding-left: 0; box-shadow: inset 0 -2px 0 var(--accent); }
  .site-nav .btn { width: auto; min-height: 42px; padding: 0.5rem 1.2rem; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(242, 107, 29, 0.18), transparent 55%),
    linear-gradient(160deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: var(--white);
  padding-block: clamp(4rem, 12vw, 8rem);
  overflow: hidden;
}
.hero::after {               /* subtle blueprint grid */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.hero .container { position: relative; z-index: 1; }
.hero-grid { display: grid; gap: 3rem; align-items: center; }
@media (min-width: 960px) { .hero-grid { grid-template-columns: 1.2fr 1fr; } }
.hero .eyebrow,
.section-dark .eyebrow { color: var(--accent); }
.hero p.lead { font-size: clamp(1.1rem, 2.2vw, 1.3rem); color: var(--steel-200); max-width: 38rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 2rem; }
.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-dark);
  margin-bottom: 1rem;
}
.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 3rem;
  max-width: 34rem;
}
.hero-stats strong { display: block; font-size: clamp(1.6rem, 4vw, 2.2rem); color: var(--white); }
.hero-stats span { font-size: 0.85rem; color: var(--steel-200); }

.page-hero { padding-block: clamp(3rem, 8vw, 5rem); }
.page-hero h1 { max-width: 20ch; }

/* ---------- Sections ---------- */
.section { padding-block: var(--section); }
.section-alt { background: var(--steel-100); }
.section-dark { background: var(--navy-900); color: var(--white); }
.section-dark p { color: var(--steel-200); }
.section-head { max-width: 44rem; margin-bottom: 2.5rem; }
.section-head p { color: var(--text-muted); font-size: 1.1rem; }
.section-dark .section-head p { color: var(--steel-200); }

.grid { display: grid; gap: 1.25rem; }
@media (min-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ---------- Cards ---------- */
.card {
  background: var(--white);
  border: 1px solid var(--steel-200);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 12px 32px rgba(11, 23, 36, 0.12); }
.card p { color: var(--text-muted); margin: 0; }
.card .icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: rgba(242, 107, 29, 0.12);
  color: var(--accent-dark);
  margin-bottom: 1.1rem;
}
.card .icon svg { width: 26px; height: 26px; }

.pillar { text-align: left; border-top: 4px solid var(--accent); }
.pillar .num { font-size: 0.8rem; font-weight: 800; letter-spacing: 0.14em; color: var(--accent-dark); }

.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-top: 2rem;
  font-weight: 700;
  text-decoration: none;
}
.link-arrow::after { content: "→"; transition: transform 0.2s; }
.link-arrow:hover::after { transform: translateX(4px); }

/* Industries chips */
.chips { display: flex; flex-wrap: wrap; gap: 0.75rem; list-style: none; padding: 0; margin: 0; }
.chips li {
  padding: 0.6rem 1.1rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-weight: 600;
  font-size: 0.95rem;
}

/* Process / phase list */
.phase { margin-bottom: 3.5rem; }
.phase:last-child { margin-bottom: 0; }
.phase-label {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  border-bottom: 2px solid var(--navy-900);
  padding-bottom: 0.75rem;
  margin-bottom: 1.5rem;
}
.phase-label span { font-weight: 800; color: var(--accent-dark); font-size: 0.9rem; letter-spacing: 0.1em; }
.phase-label h2 { margin: 0; }

.steps { counter-reset: step; list-style: none; padding: 0; margin: 0; display: grid; gap: 1.25rem; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.steps li { counter-increment: step; padding-left: 3.25rem; position: relative; }
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--accent-dark);
  color: var(--white);
  font-weight: 800;
  display: grid;
  place-items: center;
}

/* Two-column split */
.split { display: grid; gap: 2.5rem; align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; gap: 4rem; } }

/* ---------- Placeholders (client to supply) ---------- */
.ph-media {
  position: relative;
  aspect-ratio: 4 / 3;
  max-width: 100%;
  border-radius: var(--radius);
  border: 2px dashed var(--steel-500);
  background:
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(91, 107, 127, 0.08) 14px 28px),
    var(--steel-100);
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1.5rem;
  color: var(--steel-500);
  font-weight: 600;
  font-size: 0.95rem;
}
.hero .ph-media {
  border-color: rgba(255, 255, 255, 0.35);
  background:
    repeating-linear-gradient(45deg, transparent 0 14px, rgba(255, 255, 255, 0.04) 14px 28px),
    rgba(255, 255, 255, 0.04);
  color: var(--steel-200);
}
.tbd {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: #fff3c4;
  color: #6b5200;
  border-radius: 4px;
  padding: 0.1rem 0.4rem;
  vertical-align: middle;
  margin-left: 0.35rem;
}

/* ---------- CTA band ---------- */
.cta-band {
  background: var(--accent);
  color: var(--white);
  padding-block: clamp(3rem, 7vw, 4.5rem);
}
.cta-band .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}
.cta-band h2 { margin: 0; max-width: 22ch; }
.cta-band .btn { background: var(--navy-900); color: var(--white); }
.cta-band .btn:hover { background: var(--navy-700); }

/* ---------- Forms ---------- */
.form { display: grid; gap: 1.1rem; }
.form-row { display: grid; gap: 1.1rem; }
@media (min-width: 640px) { .form-row { grid-template-columns: 1fr 1fr; } }
.form label { display: block; font-weight: 700; font-size: 0.9rem; margin-bottom: 0.35rem; }
.form input,
.form select,
.form textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--steel-200);
  border-radius: 8px;
  font: inherit;
  color: var(--text);
  background: var(--white);
}
.form textarea { min-height: 140px; resize: vertical; }
.form input:focus,
.form select:focus,
.form textarea:focus { border-color: var(--accent); outline: 2px solid rgba(242, 107, 29, 0.25); }
.form-note { font-size: 0.85rem; color: var(--text-muted); }
.form-status { font-weight: 700; color: var(--navy-700); }

.contact-list { list-style: none; padding: 0; margin: 0 0 2rem; display: grid; gap: 1rem; }
.contact-list strong { display: block; font-size: 0.8rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--steel-500); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  color: var(--steel-200);
  padding-block: 3rem 2rem;
  font-size: 0.95rem;
}
.footer-grid { display: grid; gap: 2rem; }
@media (min-width: 760px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.site-footer h2 { color: var(--white); font-size: 0.85rem; letter-spacing: 0.12em; text-transform: uppercase; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.site-footer a { color: var(--steel-200); text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.footer-tagline { font-weight: 800; color: var(--white); letter-spacing: 0.04em; }
.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.85rem;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}

.h-sm { font-size: 1.2rem; letter-spacing: -0.01em; }