/* ============================================================
   Rockhouse Consulting — design tokens
   Structural / drafting-table aesthetic: thin rules, tick marks,
   left-aligned type, roofline motif. No rounded-card kit.
   ============================================================ */

:root{
  --navy:      #002554;
  --navy-2:    #0A3A6B;
  --navy-soft: #12406F;
  --teal:      #0E8394;
  --teal-dark: #0A6472;
  --bg:        #F7F5F1;
  --bg-alt:    #EEEBE3;
  --panel:     #FFFFFF;
  --ink:       #191F26;
  --ink-soft:  #4C555E;
  --ink-faint: #79808A;
  --line:      #D9D3C6;
  --line-navy: rgba(0, 37, 84, 0.16);

  --font-head: 'Space Grotesk', 'Arial Narrow', Arial, sans-serif;
  --font-body: 'IBM Plex Sans', 'Segoe UI', Arial, sans-serif;

  --maxw: 1120px;
  --gutter: clamp(20px, 5vw, 64px);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img{ max-width: 100%; display: block; }
a{ color: var(--teal-dark); }
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--teal);
  outline-offset: 3px;
}

h1, h2, h3, h4{
  font-family: var(--font-head);
  color: var(--navy);
  margin: 0 0 0.4em;
  line-height: 1.12;
  font-weight: 600;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.4rem, 5vw, 3.6rem); }
h2{ font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3{ font-size: clamp(1.2rem, 2vw, 1.5rem); }
p{ margin: 0 0 1em; max-width: 62ch; color: var(--ink-soft); }
.ink{ color: var(--ink); }

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

/* ---------- structural rule / tick divider ---------- */
.rule{
  border: none;
  border-top: 1px solid var(--line-navy);
  margin: 0;
  position: relative;
}
.tick-divider{
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  color: var(--ink-faint);
}
.tick-divider::before, .tick-divider::after{
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line-navy);
}
.tick-divider span{
  font-family: var(--font-head);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

/* ---------- nav ---------- */
.site-header{
  position: sticky; top: 0; z-index: 50;
  background: rgba(247,245,241,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line-navy);
}
.site-header .wrap{
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px; padding-bottom: 14px;
}
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; }
.brand img{ height: 34px; width: auto; }
.brand span{ display:none; }

.nav-links{
  display: flex; gap: clamp(16px, 2.4vw, 30px);
  list-style: none; margin: 0; padding: 0;
}
.nav-links a{
  color: var(--navy);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}
.nav-links a:hover, .nav-links a.active{
  border-bottom-color: var(--teal);
}
.nav-cta{
  background: var(--navy);
  color: #fff !important;
  padding: 9px 18px !important;
  border-radius: 2px;
  border-bottom: none !important;
}
.nav-cta:hover{ background: var(--teal-dark); }

.nav-toggle{ display:none; background:none; border:1px solid var(--line-navy); border-radius:2px; padding:8px 10px; cursor:pointer; }
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:""; display:block; width:20px; height:2px; background:var(--navy); position:relative;
}
.nav-toggle span::before{ position:absolute; top:-6px; }
.nav-toggle span::after{ position:absolute; top:6px; }

@media (max-width: 780px){
  .nav-toggle{ display:block; }
  .nav-links{
    position: fixed; inset: 61px 0 auto 0;
    background: var(--bg);
    flex-direction: column;
    padding: 18px var(--gutter) 26px;
    border-bottom: 1px solid var(--line-navy);
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .18s ease, transform .18s ease;
  }
  .nav-links.open{ opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links a{ padding: 10px 0; border-bottom: 1px solid var(--line-navy); }
  .nav-cta{ display:inline-block; width:fit-content; }
}

/* ---------- buttons ---------- */
.btn{
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 13px 26px;
  border-radius: 2px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background .15s ease, color .15s ease, border-color .15s ease;
}
.btn-primary{ background: var(--teal); color: #fff; }
.btn-primary:hover{ background: var(--teal-dark); }
.btn-outline{ background: transparent; color: var(--navy); border-color: var(--navy); }
.btn-outline:hover{ background: var(--navy); color: #fff; }
.btn-ghost{ background: transparent; color: var(--navy); border-color: var(--line-navy); }
.btn-ghost:hover{ border-color: var(--navy); }

/* ---------- section rhythm ---------- */
section{ padding: clamp(56px, 8vw, 108px) 0; }
.section-alt{ background: var(--bg-alt); }
.section-navy{ background: var(--navy); color: #f2f4f7; }
.section-navy h2, .section-navy h3{ color: #fff; }
.section-navy p{ color: #C7D2DE; }
.eyebrow-line{
  display:flex; align-items:baseline; gap: 14px; margin-bottom: 14px;
}
.eyebrow-line .num{
  font-family: var(--font-head); color: var(--teal-dark); font-weight: 600; font-size: 0.9rem;
}
.section-navy .eyebrow-line .num{ color: #6FD3DF; }

/* ---------- grid utilities ---------- */
.grid{ display: grid; gap: var(--gutter); }
.grid-2{ grid-template-columns: 1fr 1fr; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-4{ grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px){
  .grid-3, .grid-4{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px){
  .grid-2, .grid-3, .grid-4{ grid-template-columns: 1fr; }
}

/* ---------- stat strip ---------- */
.stat-strip{
  display:flex; flex-wrap: wrap; gap: var(--gutter);
  padding-top: 30px; padding-bottom: 6px;
}
.stat{ flex: 1 1 200px; border-top: 2px solid var(--teal); padding-top: 12px; }
.stat .n{ font-family: var(--font-head); font-size: clamp(1.7rem,3vw,2.3rem); color: var(--navy); font-weight: 600; }
.stat .l{ font-size: 0.92rem; color: var(--ink-soft); }

/* ---------- phase list (methodology) ---------- */
.phase{
  border-top: 1px solid var(--line-navy);
  padding: 26px 0;
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  align-items: start;
}
.phase:last-child{ border-bottom: 1px solid var(--line-navy); }
.phase .idx{
  font-family: var(--font-head);
  color: var(--teal-dark);
  font-size: 1.1rem;
  font-weight: 600;
  padding-top: 2px;
}
.phase h3{ margin-bottom: 6px; }
.phase p{ margin-bottom: 0; }
@media (max-width: 560px){
  .phase{ grid-template-columns: 1fr; gap: 6px; }
}

/* ---------- cards (services / insights) — flat, ruled, not SaaS-rounded ---------- */
.card{
  background: var(--panel);
  border: 1px solid var(--line-navy);
  border-radius: 2px;
  padding: 28px 26px;
}
.card h3{ margin-bottom: 10px; }
.card p:last-child{ margin-bottom: 0; }

.card-link{
  text-decoration:none; color: inherit; display:block;
  transition: border-color .15s ease, transform .15s ease;
}
.card-link:hover{ border-color: var(--teal); }

/* ---------- hero ---------- */
.hero{
  padding-top: clamp(64px, 10vw, 120px);
  padding-bottom: clamp(48px, 7vw, 90px);
  position: relative;
  overflow: hidden;
}
.hero .wrap{ position: relative; z-index: 2; }
.hero-grid{
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: clamp(30px, 5vw, 70px);
  align-items: center;
}
@media (max-width: 880px){
  .hero-grid{ grid-template-columns: 1fr; }
}
.hero h1{ margin-bottom: 0.3em; }
.hero .lede{ font-size: 1.14rem; color: var(--ink-soft); max-width: 46ch; }
.hero-actions{ display:flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

.roofline{ width: 100%; height: auto; }
.roofline path{
  fill: none;
  stroke: var(--navy);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: draw 1.6s ease forwards 0.2s;
}
.roofline .accent{ stroke: var(--teal); }
@keyframes draw{ to{ stroke-dashoffset: 0; } }
@media (prefers-reduced-motion: reduce){
  .roofline path{ animation: none; stroke-dashoffset: 0; }
}

/* ---------- footer ---------- */
.site-footer{
  background: var(--navy);
  color: #C7D2DE;
  padding: 50px 0 30px;
}
.site-footer a{ color: #E9EEF3; text-decoration: none; }
.site-footer a:hover{ color: var(--teal); }
.footer-grid{
  display:flex; justify-content: space-between; flex-wrap: wrap; gap: 30px;
  padding-bottom: 30px; border-bottom: 1px solid rgba(255,255,255,0.14);
}
.footer-cols{ display:flex; gap: 60px; flex-wrap: wrap; }
.footer-cols h4{ color: #fff; font-size: 0.85rem; letter-spacing: 0.02em; margin-bottom: 12px; }
.footer-cols ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px; font-size:0.92rem; }
.footer-bottom{
  display:flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  padding-top: 22px; font-size: 0.85rem; color: #93A3B5;
}
.footer-brand{ display:flex; align-items:center; gap:10px; margin-bottom: 12px; }
.footer-brand img{ height: 30px; filter: brightness(0) invert(1); }

/* ---------- forms ---------- */
label{ display:block; font-size: 0.88rem; font-weight:600; color: var(--navy); margin-bottom: 6px; }
input[type=text], input[type=email], input[type=tel], textarea, select{
  width: 100%;
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 12px 14px;
  border: 1px solid var(--line-navy);
  border-radius: 2px;
  background: #fff;
  color: var(--ink);
  margin-bottom: 18px;
}
textarea{ resize: vertical; min-height: 130px; }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap: 18px; }
@media (max-width:600px){ .form-row{ grid-template-columns:1fr; } }

/* ---------- utility ---------- */
.center{ text-align:center; }
.mt-0{ margin-top:0; }
.max-prose{ max-width: 70ch; }
.small{ font-size: 0.86rem; color: var(--ink-faint); }