/* ============================================================
   EAST MOUNTAIN CO. — Design System
   Palette: slate/ink ground, parchment paper, brass accent
   Type: Fraunces (display) / Public Sans (body) / IBM Plex Mono (utility)
   Signature: topographic contour horizon — elevation as a metaphor
   for land, patience, and compounding value.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght,SOFT@9..144,300..700,0..100&family=Public+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --ink:        #262626;
  --slate:      #5C5C5C;
  --navy:       #0A2C42;
  --navy-soft:  #123B57;
  --blue:       #0071BC;
  --blue-light: #4FA3D8;
  --red:        #C1272D;
  --red-light:  #DD4A50;
  --paper:      #FFFFFF;
  --paper-dim:  #F2F5F7;
  --line-dark:  rgba(255,255,255,0.16);
  --line-light: rgba(38,38,38,0.12);

  --display: 'Fraunces', serif;
  --body: 'Public Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --max: 1200px;
  --pad: clamp(24px, 5vw, 64px);
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
html:focus-within{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }
button{ font-family: inherit; cursor: pointer; }

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

.eyebrow{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--blue);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.eyebrow::before{
  content:'';
  width: 22px; height: 1px;
  background: var(--blue);
  display:inline-block;
}

h1,h2,h3{
  font-family: var(--display);
  font-weight: 500;
  line-height: 1.05;
  margin: 0;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(40px, 6.2vw, 84px); font-weight: 480; }
h2{ font-size: clamp(30px, 4vw, 48px); }
h3{ font-size: clamp(20px, 2.2vw, 26px); font-weight: 600; }

p{ margin: 0; }
.lede{ font-size: clamp(17px, 1.6vw, 20px); line-height: 1.65; color: var(--slate); max-width: 46em; }

/* ---------------- Focus ---------------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline: 2px solid var(--blue);
  outline-offset: 3px;
}

/* ---------------- Nav ---------------- */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(247,243,233,0.86);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line-light);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding-top: 20px; padding-bottom: 20px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  font-family: var(--display); font-weight: 600; font-size: 20px; letter-spacing: 0.01em;
  color: var(--ink);
}
.brand-mark{ width: 34px; height: 34px; flex-shrink:0; }
.brand-word{ display:flex; flex-direction:column; line-height:1; }
.brand-word small{
  font-family: var(--mono); font-size: 9.5px; letter-spacing:0.18em;
  color: var(--slate); font-weight:500; margin-top:4px; text-transform:uppercase;
}
.nav-links{ display:flex; align-items:center; gap: 40px; }
.nav-links a{
  font-family: var(--mono); font-size: 12.5px; letter-spacing:0.08em; text-transform:uppercase;
  position: relative; padding: 4px 0; color: var(--ink);
}
.nav-links a::after{
  content:''; position:absolute; left:0; right:0; bottom:-2px; height:1px;
  background: var(--blue); transform: scaleX(0); transform-origin: right;
  transition: transform 0.3s ease;
}
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ transform: scaleX(1); transform-origin: left; }
.nav-links a[aria-current="page"]{ color: var(--blue); }
.nav-cta{
  font-family: var(--mono) !important; font-size: 12px !important;
  border: 1px solid var(--blue); color: var(--blue); padding: 10px 18px; border-radius: 2px;
}
.nav-cta:hover{ background: var(--blue); color: var(--paper); }
.nav-toggle{
  display:none; background:none; border:none; width:32px; height:22px; position:relative;
}
.nav-toggle span, .nav-toggle span::before, .nav-toggle span::after{
  content:''; position:absolute; left:0; right:0; height:1.5px; background: var(--ink); transition: 0.25s ease;
}
.nav-toggle span{ top:10px; }
.nav-toggle span::before{ top:-8px; }
.nav-toggle span::after{ top:8px; }
.nav-toggle.open span{ background: transparent; }
.nav-toggle.open span::before{ transform: rotate(45deg); top:0; }
.nav-toggle.open span::after{ transform: rotate(-45deg); top:0; }

@media (max-width: 780px){
  .nav-links{
    position: fixed; inset: 69px 0 0 0; background: var(--paper);
    flex-direction: column; align-items: flex-start; gap: 0;
    padding: 8px var(--pad) 40px; transform: translateY(-8px); opacity:0; pointer-events:none;
    transition: 0.25s ease; border-top: 1px solid var(--line-light);
  }
  .nav-links.open{ opacity:1; transform: translateY(0); pointer-events:auto; }
  .nav-links a{ width:100%; padding: 16px 0; border-bottom: 1px solid var(--line-light); font-size:14px; }
  .nav-cta{ margin-top: 20px; display:inline-block; }
  .nav-toggle{ display:block; }
}

/* ---------------- Buttons ---------------- */
.btn{
  font-family: var(--mono); font-size: 12.5px; letter-spacing:0.08em; text-transform: uppercase;
  display:inline-flex; align-items:center; gap:10px; padding: 15px 26px; border-radius: 2px;
  border:1px solid transparent; transition: 0.2s ease;
}
.btn-primary{ background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-primary:hover{ background: var(--red); border-color: var(--red); }
.btn-ghost{ border-color: var(--ink); color: var(--ink); }
.btn-ghost:hover{ background: var(--ink); color: var(--paper); }
.btn-ghost.on-dark{ border-color: var(--line-dark); color: var(--paper); }
.btn-ghost.on-dark:hover{ background: var(--paper); color: var(--ink); border-color: var(--paper); }
.btn svg{ width:14px; height:14px; transition: transform 0.2s ease; }
.btn:hover svg{ transform: translateX(3px); }

/* ---------------- Contour signature element ---------------- */
.contour-field{ position:absolute; inset:0; overflow:hidden; z-index:0; }
.contour-field svg{ width:100%; height:100%; }
.contour-line{ fill:none; stroke-width:1; }

/* ---------------- Hero ---------------- */
.hero{
  position:relative; overflow:hidden;
  background: var(--navy); color: var(--paper);
  padding-top: clamp(70px, 12vh, 130px);
  padding-bottom: clamp(60px, 10vh, 100px);
}
.hero .wrap{ position:relative; z-index:2; }
.hero-grid{ display:grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items:end; }
.hero h1{ color: var(--paper); margin-top:22px; }
.hero-lede{ color: var(--paper-dim); opacity:0.82; margin-top:26px; }
.hero-actions{ display:flex; gap:16px; margin-top: 40px; flex-wrap:wrap; }
.hero-figure{ position:relative; }
.hero-figure .elevation-tag{
  font-family: var(--mono); font-size:11.5px; color: var(--blue-light);
  letter-spacing:0.1em; text-transform:uppercase; display:block; margin-bottom:10px;
}
.hero-stat-row{ display:flex; gap: 36px; margin-top: 20px; padding-top:20px; border-top:1px solid var(--line-dark); }
.hero-stat b{ display:block; font-family: var(--display); font-size: 28px; font-weight:500; color:var(--paper); }
.hero-stat span{ font-family: var(--mono); font-size: 11px; color: var(--paper-dim); opacity:0.7; letter-spacing:0.06em; text-transform:uppercase; }

@media (max-width: 900px){
  .hero-grid{ grid-template-columns: 1fr; }
}

/* ---------------- Section rhythm ---------------- */
section{ position:relative; padding: clamp(64px, 10vw, 120px) 0; }
.section-head{ max-width: 640px; margin-bottom: 56px; }
.section-head h2{ margin-top:16px; }
.divider{ height:1px; background: var(--line-light); border:none; margin:0; }

/* ---------------- Pillars / cards ---------------- */
.pillars{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line-light); border: 1px solid var(--line-light); }
.pillar{ background: var(--paper); padding: 40px 34px; }
.pillar-mark{ font-family: var(--mono); font-size:12px; color: var(--blue); letter-spacing:0.08em; }
.pillar h3{ margin-top:22px; }
.pillar p{ margin-top:14px; color: var(--slate); font-size: 15px; line-height:1.65; }

@media (max-width: 860px){
  .pillars{ grid-template-columns: 1fr; }
}

/* ---------------- Real Estate feature ---------------- */
.feature{
  display:grid; grid-template-columns: 0.9fr 1.1fr; gap: 64px; align-items:center;
}
.feature-visual{
  position:relative; aspect-ratio: 4/5; background: var(--navy); border-radius:2px; overflow:hidden;
}
.feature-visual svg{ width:100%; height:100%; }
.feature-list{ margin-top: 28px; display:flex; flex-direction:column; gap:16px; }
.feature-list li{ list-style:none; display:flex; gap:14px; align-items:flex-start; color: var(--slate); font-size:15px; }
.feature-list li::before{
  content:''; width:6px; height:6px; margin-top:8px; background: var(--red); flex-shrink:0; border-radius:1px;
}
@media (max-width: 900px){
  .feature{ grid-template-columns: 1fr; }
}

/* ---------------- Principles list ---------------- */
.principles{ display:flex; flex-direction:column; }
.principle{
  display:grid; grid-template-columns: 100px 1fr; gap: 32px; padding: 34px 0; border-top:1px solid var(--line-light);
}
.principle:last-child{ border-bottom: 1px solid var(--line-light); }
.principle-index{ font-family: var(--mono); font-size:13px; color: var(--blue); padding-top:4px; }
.principle h3{ margin-bottom:10px; }
.principle p{ color: var(--slate); font-size:15.5px; max-width: 52em; }
@media (max-width: 640px){
  .principle{ grid-template-columns: 1fr; gap:10px; }
}

/* ---------------- Dark band / CTA ---------------- */
.band{ background: var(--navy-soft); color: var(--paper); position:relative; overflow:hidden; }
.band .wrap{ position:relative; z-index:2; }
.band-inner{ display:flex; align-items:center; justify-content:space-between; gap: 40px; flex-wrap:wrap; }
.band h2{ color: var(--paper); max-width: 14em; }
.band p{ color: var(--paper-dim); opacity:0.78; margin-top:14px; max-width: 34em; }

/* ---------------- Footer ---------------- */
footer{ background: var(--navy); color: var(--paper-dim); padding: 60px 0 30px; }
.footer-grid{ display:grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid var(--line-dark); }
.footer-brand .brand{ color: var(--paper); }
.footer-brand p{ margin-top: 18px; font-size: 14px; color: var(--paper-dim); opacity:0.7; max-width: 30em; line-height:1.7; }
.footer-col h4{ font-family: var(--mono); font-size:11.5px; letter-spacing:0.1em; text-transform:uppercase; color: var(--blue-light); margin:0 0 18px; font-weight:500; }
.footer-col a, .footer-col span{ display:block; font-size:14px; color: var(--paper-dim); opacity:0.82; padding: 7px 0; }
.footer-col a:hover{ opacity:1; color: var(--blue-light); }
.footer-bottom{ display:flex; justify-content:space-between; align-items:center; padding-top: 24px; font-size:12.5px; font-family: var(--mono); color: var(--paper-dim); opacity:0.55; flex-wrap:wrap; gap:10px; }
@media (max-width: 780px){
  .footer-grid{ grid-template-columns: 1fr; gap: 30px; }
}

/* ---------------- Page hero (interior pages) ---------------- */
.page-hero{
  background: var(--navy); color: var(--paper); position:relative; overflow:hidden;
  padding-top: clamp(60px, 10vh, 100px); padding-bottom: clamp(56px, 8vh, 84px);
}
.page-hero .wrap{ position:relative; z-index:2; }
.page-hero h1{ color: var(--paper); margin-top:18px; max-width: 16em; }
.page-hero .lede{ color: var(--paper-dim); opacity:0.82; margin-top:22px; }

/* ---------------- About specific ---------------- */
.stat-strip{ display:grid; grid-template-columns: repeat(3,1fr); border-top:1px solid var(--line-light); border-bottom:1px solid var(--line-light); }
.stat-cell{ padding: 36px 34px; border-left:1px solid var(--line-light); }
.stat-cell:first-child{ border-left:none; }
.stat-cell b{ font-family: var(--display); font-size: clamp(30px,3.4vw,44px); font-weight:500; display:block; color: var(--ink); }
.stat-cell span{ font-family: var(--mono); font-size:11px; letter-spacing:0.08em; text-transform:uppercase; color: var(--slate); margin-top:8px; display:block; }
@media (max-width:700px){
  .stat-strip{ grid-template-columns:1fr; }
  .stat-cell{ border-left:none; border-top:1px solid var(--line-light); }
  .stat-cell:first-child{ border-top:none; }
}

.value-grid{ display:grid; grid-template-columns: repeat(2,1fr); gap:1px; background:var(--line-light); border:1px solid var(--line-light); }
.value-card{ background:var(--paper); padding:38px 34px; }
.value-card h3{ margin-bottom:12px; }
.value-card p{ color:var(--slate); font-size:15px; line-height:1.65; }
@media (max-width: 700px){ .value-grid{ grid-template-columns:1fr; } }

/* ---------------- Contact ---------------- */
.contact-layout{ display:grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items:start; }
.contact-info-card{ background: var(--navy); color: var(--paper); padding: 44px 38px; border-radius:2px; position:relative; overflow:hidden; }
.contact-info-card .wrap{ padding:0; }
.contact-channel{ padding: 20px 0; border-top: 1px solid var(--line-dark); }
.contact-channel:first-of-type{ border-top:none; padding-top:0; }
.contact-channel span{ font-family: var(--mono); font-size:11px; letter-spacing:0.08em; text-transform:uppercase; color: var(--blue-light); display:block; margin-bottom:8px; }
.contact-channel a, .contact-channel p{ font-family: var(--display); font-size:19px; color: var(--paper); }

.form-field{ display:flex; flex-direction:column; gap:8px; margin-bottom: 24px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap:20px; }
.form-field label{ font-family: var(--mono); font-size:11.5px; letter-spacing:0.08em; text-transform:uppercase; color: var(--slate); }
.form-field input, .form-field select, .form-field textarea{
  font-family: var(--body); font-size:15px; padding: 14px 4px; border:none; border-bottom: 1px solid var(--line-light);
  background: transparent; color: var(--ink); transition: border-color 0.2s ease;
}
.form-field textarea{ resize: vertical; min-height:120px; }
.form-field input:focus, .form-field select:focus, .form-field textarea:focus{ border-bottom-color: var(--blue); outline:none; }
.form-field input:invalid:not(:placeholder-shown){ border-bottom-color: #b5533f; }
.form-note{ font-size: 12.5px; color: var(--slate); margin-top: -6px; margin-bottom: 24px; }
.submit-row{ display:flex; align-items:center; gap:20px; margin-top: 8px; }
.form-status{ font-family: var(--mono); font-size:12.5px; color: var(--blue); }
@media (max-width: 900px){
  .contact-layout{ grid-template-columns:1fr; }
  .form-row{ grid-template-columns:1fr; }
}

/* ---------------- Reveal on scroll ---------------- */
.reveal{ opacity:0; transform: translateY(16px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in{ opacity:1; transform: translateY(0); }