/* ============================================================
   F2 EXECUTION — Brand Stylesheet
   Follow Up. Follow Through.
   ============================================================ */

:root {
  --olive: #556B2F;
  --olive-bright: #6B8438;   /* olive tuned for dark backgrounds */
  --forest: #2F4F2F;
  --ink: #0B0B0B;
  --charcoal: #121212;
  --charcoal-2: #1A1A1A;
  --steel: #6B6F76;
  --steel-light: #9BA0A8;
  --white: #FFFFFF;
  --stone: #F4F4F2;
  --line: #E5E5E1;
  --line-dark: #262626;

  --font-head: "Inter Tight", "Montserrat", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", "Helvetica Neue", Arial, sans-serif;

  --max: 1200px;
  --pad: clamp(20px, 5vw, 48px);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

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

a { color: inherit; text-decoration: none; }

.wrap { max-width: var(--max); margin: 0 auto; padding-left: var(--pad); padding-right: var(--pad); }

/* ---------- Typography ---------- */

h1, h2, h3, h4 {
  font-family: var(--font-head);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.6rem, 6.5vw, 4.75rem); }
h2 { font-size: clamp(2rem, 4.2vw, 3.1rem); }
h3 { font-size: 1.35rem; letter-spacing: -0.01em; }

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--olive);
  margin-bottom: 22px;
}
.kicker::before {
  content: "";
  width: 34px;
  height: 3px;
  background: var(--olive);
}
.dark .kicker { color: var(--olive-bright); }
.dark .kicker::before { background: var(--olive-bright); }

.lead {
  font-size: clamp(1.05rem, 1.6vw, 1.25rem);
  color: var(--steel);
  max-width: 640px;
}
.dark .lead { color: var(--steel-light); }

/* ---------- Buttons ---------- */

.btn {
  display: inline-block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 17px 34px;
  background: var(--olive);
  color: var(--white);
  border: 2px solid var(--olive);
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease;
}
.btn:hover { background: var(--forest); border-color: var(--forest); }

.btn-ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-ghost:hover { background: var(--ink); border-color: var(--ink); color: var(--white); }

.dark .btn-ghost { color: var(--white); border-color: var(--white); }
.dark .btn-ghost:hover { background: var(--white); color: var(--ink); }

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--ink);
  border-bottom: 1px solid var(--line-dark);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand svg { height: 40px; width: auto; }
.brand-name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
  color: var(--white);
}
.brand-name span { color: var(--olive); }

.site-nav { display: flex; align-items: center; gap: 34px; }
.site-nav a {
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel-light);
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: color 0.15s ease;
}
.site-nav a:hover { color: var(--white); }
.site-nav a.active { color: var(--white); border-bottom-color: var(--olive-bright); }
.site-nav .btn { padding: 12px 22px; font-size: 0.8rem; }

.nav-toggle { display: none; background: none; border: 0; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 3px; background: var(--white); margin: 5px 0; }

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 76px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--ink);
    border-bottom: 1px solid var(--line-dark);
    padding: 10px var(--pad) 24px;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 14px 0; width: 100%; border-bottom: 1px solid var(--line-dark); }
  .site-nav .btn { margin-top: 18px; }
}

/* ---------- Sections ---------- */

section { padding: clamp(70px, 10vw, 120px) 0; }

.dark { background: var(--ink); color: var(--white); }
.stone { background: var(--stone); }

.section-head { margin-bottom: clamp(40px, 6vw, 64px); }
.section-head.split {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
}

/* ---------- Hero ---------- */

.hero {
  background: var(--ink);
  color: var(--white);
  padding: clamp(90px, 12vw, 160px) 0;
  position: relative;
  overflow: hidden;
}
.hero::after {          /* faint oversized monogram, structural not decorative */
  content: "";
  position: absolute;
  right: -140px;
  bottom: -60px;
  width: 660px;
  height: 355px;
  background: url("../assets/f2-icon-dark.svg") no-repeat center / contain;
  opacity: 0.06;
  pointer-events: none;
}
.hero .wrap { position: relative; z-index: 1; }
.hero-mark { height: clamp(150px, 22vw, 220px); width: auto; margin-bottom: 44px; }
.hero h1 { max-width: 820px; }
.hero .lead { margin: 28px 0 44px; }
.hero-ctas { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-strip {
  margin-top: clamp(60px, 8vw, 90px);
  padding-top: 34px;
  border-top: 1px solid var(--line-dark);
  display: flex;
  gap: clamp(24px, 5vw, 64px);
  flex-wrap: wrap;
  font-family: var(--font-head);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel-light);
}
.hero-strip b { color: var(--olive-bright); font-weight: 700; }

/* ---------- Grids & Cards ---------- */

.grid { display: grid; gap: 28px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px) { .grid.cols-3 { grid-template-columns: 1fr; } .grid.cols-2 { grid-template-columns: 1fr; } }

.card {
  border: 1px solid var(--line);
  padding: 38px 32px;
  background: var(--white);
  transition: border-color 0.18s ease, transform 0.18s ease;
}
.card:hover { border-color: var(--olive); transform: translateY(-3px); }
.card h3 { margin: 20px 0 12px; }
.card p { color: var(--steel); font-size: 0.98rem; }
.card .icon { width: 44px; height: 44px; color: var(--olive); }

.dark .card { background: var(--charcoal-2); border-color: var(--line-dark); }
.dark .card p { color: var(--steel-light); }
.dark .card .icon { color: var(--olive-bright); }

.card-link {
  display: inline-block;
  margin-top: 18px;
  font-family: var(--font-head);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--olive);
}
.card-link::after { content: " \2192"; }

/* ---------- Pillars ---------- */

.pillar { border-top: 4px solid var(--olive); padding-top: 28px; }
.pillar .num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.2em;
  color: var(--steel);
}
.pillar h3 { font-size: 1.7rem; margin: 10px 0 14px; }
.pillar p { color: var(--steel); }
.dark .pillar .num, .dark .pillar p { color: var(--steel-light); }

/* ---------- Industries ---------- */

.industry-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.industry-cell {
  background: var(--charcoal);
  padding: 34px 28px;
  transition: background 0.18s ease;
}
.industry-cell:hover { background: var(--charcoal-2); }
.industry-cell h3 { font-size: 1.1rem; color: var(--white); }
.industry-cell p { font-size: 0.9rem; color: var(--steel-light); margin-top: 8px; }
.industry-cell .tick { width: 26px; height: 3px; background: var(--olive-bright); margin-bottom: 18px; }

/* ---------- Process ---------- */

.process { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
@media (max-width: 1000px) { .process { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process { grid-template-columns: 1fr; } }
.step { border-left: 3px solid var(--line); padding-left: 22px; }
.step:hover { border-left-color: var(--olive); }
.step .num {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 2.4rem;
  color: var(--olive);
  line-height: 1;
}
.step h3 { margin: 12px 0 8px; font-size: 1.15rem; }
.step p { font-size: 0.92rem; color: var(--steel); }

/* ---------- Testimonials ---------- */

.quote-card {
  border: 1px solid var(--line);
  padding: 38px 32px;
  background: var(--white);
}
.quote-card blockquote { font-size: 1.05rem; line-height: 1.6; }
.quote-card blockquote::before { content: "\201C"; color: var(--olive); font-family: var(--font-head); font-size: 2.6rem; line-height: 0; display: block; margin: 18px 0 6px; }
.quote-card footer { margin-top: 22px; font-family: var(--font-head); font-weight: 700; font-size: 0.9rem; }
.quote-card footer span { display: block; color: var(--steel); font-family: var(--font-body); font-weight: 400; font-size: 0.85rem; margin-top: 2px; }

/* ---------- CTA band ---------- */

.cta-band { background: var(--forest); color: var(--white); }
.cta-band .wrap { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-band h2 { max-width: 620px; }
.cta-band .btn { background: var(--white); border-color: var(--white); color: var(--ink); }
.cta-band .btn:hover { background: var(--ink); border-color: var(--ink); color: var(--white); }

/* ---------- Page header (inner pages) ---------- */

.page-head {
  background: var(--ink);
  color: var(--white);
  padding: clamp(70px, 9vw, 110px) 0;
  border-bottom: 4px solid var(--olive);
}
.page-head h1 { max-width: 780px; }
.page-head .lead { margin-top: 22px; }

/* ---------- Service detail rows ---------- */

.service-row {
  display: grid;
  grid-template-columns: 88px 1fr;
  gap: 34px;
  padding: 46px 0;
  border-top: 1px solid var(--line);
}
.service-row:last-of-type { border-bottom: 1px solid var(--line); }
.service-row .icon { width: 56px; height: 56px; color: var(--olive); }
.service-row h3 { font-size: 1.5rem; margin-bottom: 12px; }
.service-row p { color: var(--steel); max-width: 720px; }
.service-row ul { margin-top: 16px; padding-left: 0; list-style: none; columns: 2; column-gap: 40px; max-width: 720px; }
.service-row li { padding: 6px 0 6px 24px; position: relative; font-size: 0.95rem; color: var(--ink); break-inside: avoid; }
.service-row li::before { content: "\2192"; position: absolute; left: 0; color: var(--olive); font-weight: 700; }
@media (max-width: 700px) { .service-row { grid-template-columns: 1fr; } .service-row ul { columns: 1; } }

/* ---------- Values ---------- */

.values-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; }
.value-chip {
  border: 1px solid var(--line-dark);
  background: var(--charcoal-2);
  padding: 22px 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  border-top: 3px solid var(--olive-bright);
}

/* ---------- Case studies ---------- */

.case-card { border: 1px solid var(--line); background: var(--white); }
.case-card .case-top { background: var(--ink); color: var(--white); padding: 26px 30px; }
.case-card .case-top .tag { font-family: var(--font-head); font-size: 0.75rem; font-weight: 700; letter-spacing: 0.2em; text-transform: uppercase; color: var(--olive-bright); }
.case-card .case-top h3 { margin-top: 8px; color: var(--white); }
.case-card .case-body { padding: 28px 30px; }
.case-card .case-body p { color: var(--steel); font-size: 0.95rem; }
.case-metrics { display: flex; gap: 28px; margin-top: 22px; padding-top: 20px; border-top: 1px solid var(--line); }
.case-metrics div b { display: block; font-family: var(--font-head); font-weight: 800; font-size: 1.6rem; color: var(--olive); }
.case-metrics div span { font-size: 0.8rem; color: var(--steel); text-transform: uppercase; letter-spacing: 0.08em; }

/* ---------- Contact ---------- */

.contact-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: clamp(40px, 6vw, 80px); }
@media (max-width: 900px) { .contact-grid { grid-template-columns: 1fr; } }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

label {
  display: block;
  font-family: var(--font-head);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 8px;
}
input, select, textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 15px 16px;
  border: 1px solid var(--line);
  background: var(--stone);
  color: var(--ink);
  outline: none;
  transition: border-color 0.15s ease;
}
input:focus, select:focus, textarea:focus { border-color: var(--olive); background: var(--white); }
textarea { min-height: 150px; resize: vertical; }

.contact-side .block { padding: 26px 0; border-top: 1px solid var(--line); }
.contact-side .block:first-child { border-top: 0; padding-top: 0; }
.contact-side h3 { font-size: 1rem; letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 8px; }
.contact-side p, .contact-side a { color: var(--steel); }
.contact-side a:hover { color: var(--olive); }

/* ---------- Footer ---------- */

.site-footer {
  background: var(--ink);
  color: var(--steel-light);
  border-top: 4px solid var(--olive);
  padding: clamp(50px, 7vw, 80px) 0 0;
  font-size: 0.95rem;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; padding-bottom: 50px; }
@media (max-width: 800px) { .footer-grid { grid-template-columns: 1fr; } }
.site-footer .brand svg { height: 44px; }
.footer-tag { margin-top: 18px; font-family: var(--font-head); font-weight: 700; letter-spacing: 0.18em; text-transform: uppercase; color: var(--white); font-size: 0.85rem; line-height: 2; }
.site-footer h4 { color: var(--white); font-size: 0.85rem; letter-spacing: 0.16em; text-transform: uppercase; margin-bottom: 16px; }
.site-footer ul { list-style: none; }
.site-footer li { padding: 5px 0; }
.site-footer a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid var(--line-dark);
  padding: 22px 0;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  font-size: 0.82rem;
}