/* ============================================
   Upstream Consulting — Shared Styles
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=Aboreto&family=Gotu&family=Syne:wght@400;500;600;700;800&display=swap');

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --white: #ffffff;
  --off-white: #f5f5f0;
  --charcoal: #1D1D1F;
  --gold: #D8A36B;
  --teal: #5B7A5E;
  --gray-100: #f0f0ec;
  --gray-200: #e0e0da;
  --gray-400: #767676;
  --gray-600: #666;
  --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,.12);
  --radius: 8px;
  --transition: .25s ease;
  --max-width: 1200px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Gotu', Georgia, serif;
  font-size: 1.1rem;
  line-height: 1.7;
  color: var(--charcoal);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: #8A5F4F; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--gold); }

/* Visible keyboard focus ring */
:focus-visible { outline: 2px solid #A57663; outline-offset: 2px; }

/* Skip-to-content link — off-screen until focused */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 2000;
  padding: 12px 20px;
  background: var(--charcoal);
  color: var(--off-white);
  font-weight: 600;
  border-radius: 0 0 var(--radius) 0;
}
.skip-link:focus {
  left: 0;
  color: var(--off-white);
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- Typography --- */
h1, h2 {
  font-family: 'Syne', 'Arial', sans-serif;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1 {
  font-family: 'Aboreto', sans-serif;
  font-size: 2.6rem;
  font-weight: 400;
  letter-spacing: .06em;
}
h2 {
  font-family: 'Aboreto', sans-serif;
  font-size: 2rem;
  font-weight: 400;
  letter-spacing: .12em;
}

h3, h4 { font-weight: 700; line-height: 1.25; }
h1 { font-size: 3.2rem; }
h2 { font-size: 2.4rem; margin-bottom: .75rem; }
h3 { font-size: 1.5rem; margin-bottom: .4rem; }
p + p { margin-top: 1rem; }

.section-sub {
  color: var(--gray-600);
  font-size: 1.15rem;
  margin-bottom: 2.5rem;
  font-weight: 500;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: var(--gray-200);
  margin: 1.5rem 0 2.5rem;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.btn-primary {
  background: var(--gold);
  color: var(--charcoal);
}
.btn-primary:hover { background: #c4955e; color: var(--charcoal); }

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 2px solid var(--gold);
}
.btn-outline:hover { background: var(--gold); color: var(--charcoal); }

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(30,30,31,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,.08);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: 0 4px 20px rgba(0,0,0,.3); }

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo img {
  height: 52px;
  width: auto;
  filter: invert(1);
}
.nav-logo span {
  font-family: 'Aboreto', serif;
  font-weight: 400;
  font-size: 1.4rem;
  line-height: 1.14;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--white);
  white-space: nowrap;
}
.nav-logo:hover span { color: var(--gold); }

.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
  align-items: center;
}
.nav-links a {
  color: rgba(255,255,255,.75);
  font-size: .86rem;
  font-weight: 500;
  position: relative;
  white-space: nowrap;
}
.nav-links a:hover { color: var(--white); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: width var(--transition);
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a:hover { color: var(--white); }

/* Dropdown */
.nav-links .has-dropdown { position: relative; }
.nav-links .has-dropdown > a .caret { font-size: .62em; margin-left: 5px; opacity: .7; display: inline-block; transition: transform .2s ease; }
.nav-links .has-dropdown.open > a .caret { transform: rotate(180deg); }
.nav-links .has-dropdown.open > a { color: var(--white); }
.nav-links .dropdown {
  list-style: none;
  position: absolute;
  top: 100%;
  left: -14px;
  min-width: 210px;
  background: rgba(30,30,31,.98);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: 10px;
  padding: 8px 0;
  margin-top: 12px;
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity .2s ease, transform .2s ease;
}
.nav-links .has-dropdown.open .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.nav-links .dropdown li { width: 100%; }
.nav-links .dropdown a {
  display: block;
  padding: 9px 20px;
  font-size: .88rem;
  color: rgba(255,255,255,.8);
  white-space: nowrap;
}
.nav-links .dropdown a::after { display: none; }
.nav-links .dropdown a:hover { color: var(--white); background: rgba(255,255,255,.06); }
.nav-links .dropdown a.active { color: var(--gold); }

/* Dark hero band — eyebrow + display title + sub */
.hero-band {
  background: var(--charcoal);
  padding: 136px 0 64px;
  position: relative;
  overflow: hidden;
}
.hero-band .container { position: relative; z-index: 1; }
.hero-band .eyebrow {
  font-family: 'Syne', sans-serif;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: .85rem;
}
.hero-band h1 {
  color: var(--white);
  max-width: 18ch;
  margin: 0 0 1.1rem;
}
.hero-band p {
  color: rgba(255,255,255,.72);
  max-width: 620px;
  font-size: 1.12rem;
  line-height: 1.65;
  margin: 0 0 .6rem;
}
/* extra top clearance when the section sub-bar is present */
.has-subnav .hero-band { padding-top: 150px; }

/* Section sub-nav bar — sits under the main nav on section pages */
.subnav {
  position: fixed;
  top: 76px;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(30,30,31,.97);
  border-top: 1px solid rgba(255,255,255,.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.subnav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 36px;
}
.subnav-label {
  font-family: 'Syne', sans-serif;
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--gold);
  margin-right: 4px;
}
.subnav a {
  color: rgba(255,255,255,.72);
  font-size: .85rem;
  font-weight: 500;
  white-space: nowrap;
  position: relative;
}
.subnav a:hover { color: var(--white); }
.subnav a.active { color: var(--gold); }
@media (max-width: 900px) {
  .subnav-inner { gap: 18px; padding: 0 16px; overflow-x: auto; }
  .subnav-label { display: none; }
  .has-subnav .hero-band { padding-top: 130px; }
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  transition: transform var(--transition), opacity var(--transition);
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- Sections --- */
section {
  padding: 100px 0;
}

.hero {
  padding: 160px 0 120px;
  text-align: center;
}
.hero h1 {
  max-width: 800px;
  margin: 0 auto .75rem;
}
.hero p {
  max-width: 620px;
  margin: 0 auto 2rem;
  color: var(--gray-600);
  font-size: 1.15rem;
}

.dark-section {
  background: var(--charcoal);
  color: var(--white);
}
.dark-section h2,
.dark-section h3 { color: var(--white); }
.dark-section p { color: rgba(255,255,255,.8); }
.dark-section a { color: var(--gold); }
/* buttons keep their own text color inside dark sections */
.dark-section a.btn-primary { color: var(--charcoal); }
.dark-section a.btn-outline { color: var(--white); }
.dark-section a.btn-outline:hover { color: var(--charcoal); }

.alt-bg { background: var(--off-white); }

/* --- Cards Grid --- */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.card {
  background: var(--gray-100);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-body {
  padding: 32px;
  flex: 1;
}
.card-body h3 {
  text-transform: uppercase;
  font-size: 1rem;
  letter-spacing: .06em;
  margin-bottom: .6rem;
  color: var(--charcoal);
}
.card-body .card-italic {
  font-style: italic;
  color: var(--gray-600);
  font-size: .95rem;
  margin-bottom: .75rem;
}
.card-body p {
  font-size: 1rem;
  line-height: 1.65;
}
.card-body ul {
  margin-top: .75rem;
  padding-left: 1.25rem;
  font-size: .95rem;
}
.card-body ul li {
  margin-bottom: .35rem;
}

.card-label {
  background: var(--charcoal);
  color: var(--white);
  padding: 14px 32px;
  font-size: .85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* Phase cards (content + dark label bar) */
.phase-card { display: flex; flex-direction: column; }
.phase-card .card-body { flex: 1; }
.phase-card .card-label { margin-top: auto; }

/* --- Stat Blocks --- */
.stats-row {
  display: flex;
  justify-content: center;
  gap: 48px;
  flex-wrap: wrap;
  padding: 40px 0;
}
.stat {
  text-align: center;
}
.stat-number {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1;
  color: var(--gold);
}
.dark-section .stat-number { color: var(--gold); }
.stat-label {
  font-size: .9rem;
  color: var(--gray-600);
  margin-top: .25rem;
}
.dark-section .stat-label { color: rgba(255,255,255,.6); }

/* --- Timeline --- */
.timeline {
  position: relative;
  padding-left: 36px;
  max-width: 720px;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 12px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
}
.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: -30px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid var(--white);
}
.timeline-item h4 {
  font-size: 1.05rem;
  margin-bottom: .25rem;
}
.timeline-item p {
  font-size: .95rem;
  color: var(--gray-600);
}

/* --- Social Proof Strip --- */
.social-proof {
  text-align: center;
  padding: 48px 0;
  background: var(--off-white);
}
.social-proof p {
  font-size: .85rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: .08em;
  font-weight: 600;
  margin-bottom: .75rem;
}
.proof-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 28px;
  font-size: .95rem;
  color: var(--gray-600);
  font-weight: 500;
}
.proof-logos span { white-space: nowrap; }

/* --- CTA Section --- */
.cta-section {
  text-align: center;
  padding: 80px 0;
}
.cta-section h2 { margin-bottom: .75rem; }
.cta-section p {
  max-width: 540px;
  margin: 0 auto 2rem;
}

/* --- FAQ Accordion (CSS-only) --- */
.faq details {
  border-bottom: 1px solid var(--gray-200);
}
.faq summary {
  padding: 18px 0;
  cursor: pointer;
  font-weight: 600;
  font-size: 1.05rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: '+';
  font-size: 1.4rem;
  font-weight: 300;
  color: var(--gray-400);
  transition: transform var(--transition);
}
.faq details[open] summary::after {
  content: '−';
}
.faq details .faq-answer {
  padding: 0 0 18px;
  color: var(--gray-600);
  font-size: 1rem;
}

/* --- Forms --- */
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-weight: 600;
  font-size: .92rem;
  margin-bottom: .35rem;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 1rem;
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(74,155,142,.15);
}
.form-group textarea { resize: vertical; min-height: 140px; }

/* --- Footer --- */
.site-footer {
  background: var(--charcoal);
  color: rgba(255,255,255,.7);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-col h4 {
  color: var(--white);
  font-size: .9rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 1rem;
}
.footer-col p,
.footer-col a {
  font-size: .9rem;
  color: rgba(255,255,255,.6);
  display: block;
  margin-bottom: .5rem;
}
.footer-col a:hover { color: var(--gold); }
.footer-tagline {
  color: rgba(255,255,255,.6);
  font-size: .92rem;
  line-height: 1.65;
  max-width: 30ch;
}
.footer-meta {
  color: rgba(255,255,255,.45);
  font-size: .85rem;
  margin-top: .25rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding-top: 24px;
  font-size: .8rem;
  text-align: center;
  color: rgba(255,255,255,.4);
}

/* --- Back to Top --- */
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--charcoal);
  color: var(--white);
  border: none;
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: var(--shadow-md);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover {
  transform: translateY(-2px);
  background: var(--gold);
  color: var(--charcoal);
}

/* --- Service Blocks (image + text side by side) --- */
.service-block {
  display: flex;
  gap: 32px;
  align-items: stretch;
  background: var(--gray-100);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}
.service-block:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.service-block-image {
  flex: 0 0 340px;
  min-height: 280px;
  background-size: cover;
  background-position: center;
  background-color: var(--gray-200);
}
.service-block-image.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  font-size: .95rem;
  font-weight: 500;
}
.service-block-content {
  flex: 1;
  padding: 32px;
}
.service-block-content h3 {
  text-transform: uppercase;
  font-size: 1rem;
  letter-spacing: .06em;
  margin-bottom: .6rem;
  color: var(--charcoal);
}
.service-block-content .card-italic {
  font-style: italic;
  color: var(--gray-600);
  font-size: .95rem;
  margin-bottom: .75rem;
}
.service-block-content p {
  font-size: 1rem;
  line-height: 1.65;
}
.service-block-content ul {
  margin-top: .75rem;
  padding-left: 1.25rem;
  font-size: .95rem;
}
.service-block-content ul li {
  margin-bottom: .35rem;
}
.service-block-label {
  background: var(--charcoal);
  color: var(--white);
  padding: 14px 32px;
  font-size: .85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
}

/* --- Hero Overlay --- */
.hero-overlay {
  background: linear-gradient(180deg, rgba(26,26,46,.15) 0%, transparent 60%);
}

/* --- Hero Background (replace with real image when available) --- */
.hero-bg {
  background: linear-gradient(135deg, rgba(26,26,46,0.08) 0%, rgba(74,155,142,0.06) 50%, rgba(212,165,116,0.04) 100%);
}

/* --- Platform Icons --- */
.platform-icon {
  display: inline-block;
  width: 28px;
  height: 28px;
  border-radius: 6px;
  margin-right: 10px;
  vertical-align: middle;
  font-size: .7rem;
  font-weight: 700;
  color: var(--charcoal);
  background: var(--gray-100);
  text-align: center;
  line-height: 28px;
}
/* Single neutral treatment — vendor colours removed for a calmer, on-brand grid */
.platform-icon.procore,
.platform-icon.plangrid,
.platform-icon.sharepoint,
.platform-icon.m365,
.platform-icon.financial,
.platform-icon.hr,
.platform-icon.leadgen { background: var(--gray-100); color: var(--charcoal); }

/* --- Contact Grid --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

/* --- Three-Column Cards --- */
.cards-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

/* --- Portfolio Card Image --- */
.portfolio-img {
  height: 250px;
  background-size: cover;
  background-position: center;
  background-color: var(--gray-200);
}
.portfolio-img.placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-600);
  font-weight: 600;
  font-size: .9rem;
  text-align: center;
  padding: 16px;
}

/* --- Bio Layout --- */
.bio-layout {
  display: flex;
  gap: 32px;
  align-items: flex-start;
}
.bio-headshot {
  flex: 0 0 200px;
  width: 200px;
  height: 260px;
  border-radius: var(--radius);
  object-fit: cover;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
  .cards-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* Nav collapses to hamburger before the links would crowd */
@media (max-width: 900px) {
  .hamburger { display: flex; }
  .nav-links {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: rgba(30,30,31,.98);
    flex-direction: column;
    gap: 0;
    padding: 8px 0;
    box-shadow: var(--shadow-md);
    transform: translateY(-120%);
    transition: transform .3s ease;
  }
  .nav-links.open {
    transform: translateY(0);
  }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 14px 24px;
    font-size: 1rem;
    color: rgba(255,255,255,.85);
  }
  .nav-links a:hover {
    color: var(--white);
    background: rgba(255,255,255,.06);
  }
  .nav-links a::after { display: none; }

  /* Dropdown collapses inline on mobile */
  .nav-links .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    border-radius: 0;
    margin: 0;
    padding: 0;
    background: rgba(255,255,255,.04);
  }
  .nav-links .dropdown a { padding-left: 44px; font-size: .95rem; }
  .nav-links .has-dropdown > a .caret { display: none; }
}

@media (max-width: 768px) {
  section { padding: 40px 0; }
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }
  .hero { padding: 100px 0 60px; }
  .hero-band { padding: 110px 0 44px; }

  .service-block {
    flex-direction: column;
  }
  .service-block-image {
    flex: 0 0 auto;
    min-height: 200px;
    width: 100%;
  }

  .contact-grid { grid-template-columns: 1fr; }
  .cards-grid-3 { grid-template-columns: 1fr; }
  .bio-layout { flex-direction: column; align-items: center; }
  .bio-headshot { flex: 0 0 auto; width: 160px; height: 210px; }

  .cards-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .stats-row { gap: 24px; }
  .proof-logos { gap: 16px; font-size: .85rem; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.65rem; }
  .container { padding: 0 16px; }
  .btn { padding: 12px 24px; font-size: .95rem; }
}