/* =====================================================
   Techno Group — Global Styles
   Palette: Charcoal + Terracotta (matches pitch deck)
   ===================================================== */

:root {
  --ink: #1A1A1A;
  --charcoal: #36454F;
  --slate: #5A6674;
  --line: #D8D8D5;
  --paper: #FAFAF7;
  --white: #FFFFFF;
  --accent: #B85042;
  --accent-dk: #8C3A2E;
  --gold: #B38B4A;
  --muted: #8A8F99;
  --shadow: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Calibri, "Helvetica Neue", Arial, sans-serif;
  color: var(--ink);
  line-height: 1.6;
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.25;
}
h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.6rem); }
h4 { font-size: 1.15rem; }

p { color: var(--charcoal); margin-bottom: 1em; }
a { color: var(--accent); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent-dk); }

img { max-width: 100%; height: auto; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: 860px; margin: 0 auto; padding: 0 1.5rem; }

.eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.8rem;
}

.accent-line {
  display: block;
  width: 48px;
  height: 2px;
  background: var(--accent);
  margin: 1rem 0 1.5rem 0;
}

.section-title {
  margin-bottom: 0.5rem;
}
.section-sub {
  font-size: 1.05rem;
  font-style: italic;
  color: var(--slate);
  max-width: 720px;
  margin-bottom: 2.5rem;
}

/* ============ HEADER / NAV ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  padding: 0.75rem 0;
}
.nav-wrap {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  min-height: 52px;
}
@media (max-width: 900px) {
  .nav-wrap { justify-content: space-between; min-height: 44px; }
  .nav-brand-mobile {
    font-family: Georgia, serif;
    font-weight: 700;
    color: var(--ink);
    font-size: 1.05rem;
    letter-spacing: 0.02em;
  }
  .nav-brand-mobile small {
    display: block;
    font-size: 0.6rem;
    font-weight: 400;
    letter-spacing: 0.14em;
    color: var(--muted);
    text-transform: uppercase;
  }
}
@media (min-width: 901px) {
  .nav-brand-mobile { display: none; }
}
.nav-menu {
  display: flex;
  gap: 1.8rem;
  list-style: none;
  align-items: center;
}
.nav-menu > li {
  position: relative;
}
.nav-menu a {
  color: var(--charcoal);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 0.3rem 0;
  white-space: nowrap;
}
.nav-menu a:hover,
.nav-menu a.active {
  color: var(--accent);
}
.nav-menu a.active::after {
  content: "";
  position: absolute;
  bottom: -4px; left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
}

/* Dropdown */
.nav-menu .has-dropdown > a::after {
  content: " ▾";
  font-size: 0.7rem;
  color: var(--muted);
  margin-left: 0.25rem;
}
.nav-menu .has-dropdown > a.active::after {
  content: "";
  position: absolute;
  bottom: -4px; left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
}
.dropdown {
  position: absolute;
  top: 100%;
  left: -1rem;
  min-width: 220px;
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 3px solid var(--accent);
  box-shadow: var(--shadow-lg);
  padding: 0.6rem 0;
  list-style: none;
  opacity: 0;
  visibility: hidden;
  transform: translateY(5px);
  transition: opacity 0.15s, transform 0.15s, visibility 0.15s;
  z-index: 110;
}
.nav-menu .has-dropdown:hover .dropdown,
.nav-menu .has-dropdown:focus-within .dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown li {
  padding: 0;
}
.dropdown a {
  display: block;
  padding: 0.55rem 1.1rem;
  font-size: 0.9rem;
  color: var(--charcoal);
  white-space: nowrap;
}
.dropdown a:hover,
.dropdown a.active {
  background: var(--paper);
  color: var(--accent);
}
.dropdown a.active::after { display: none; }
.nav-cta {
  background: var(--accent);
  color: var(--white) !important;
  padding: 0.6rem 1.2rem;
  border-radius: 2px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--accent-dk); color: var(--white) !important; }

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.3rem;
  font-size: 1.5rem;
  color: var(--ink);
}

@media (max-width: 900px) {
  .mobile-toggle { display: block; }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--line);
    box-shadow: var(--shadow);
    gap: 0.5rem;
    align-items: flex-start;
    display: none;
  }
  .nav-menu.open { display: flex; }

  /* On mobile, flatten the dropdown — always show nested items as indented */
  .nav-menu .has-dropdown { width: 100%; }
  .nav-menu .has-dropdown > a::after {
    content: "";  /* remove ▾ indicator on mobile */
  }
  .dropdown {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0.3rem 0 0.5rem 1rem;
    min-width: 0;
    border-left: 2px solid var(--line);
    margin-left: 0.3rem;
  }
  .dropdown a {
    padding: 0.35rem 0.5rem;
    font-size: 0.88rem;
  }
}

/* ============ HERO ============ */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--ink) 0%, rgba(26,26,26,0.7) 60%, rgba(26,26,26,0.2) 100%);
  z-index: 2;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 1;
  opacity: 0.85;
}
.hero-content {
  position: relative;
  z-index: 3;
  padding: 3rem 0 5rem;
}
.hero h1 { color: var(--white); margin-bottom: 1rem; max-width: 780px; }
.hero-sub { color: rgba(255,255,255,0.9); font-size: 1.2rem; max-width: 680px; margin-bottom: 2rem; font-style: italic; font-weight: 300; }

.hero-accent-bar {
  position: absolute;
  top: 0; left: 0;
  width: 6px; height: 100%;
  background: var(--accent);
  z-index: 4;
}

/* Hero / Page-hero brand block: big logo + category links */
.hero-brand {
  position: relative;
  z-index: 3;
  padding: 2.5rem 0 1.5rem;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}
.hero-brand-wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}
.hero-logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.hero-logo img {
  height: 110px;
  width: auto;
  max-width: 380px;
  display: block;
}
.hero-categories {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: center;
}
.hero-categories a {
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  position: relative;
  padding: 0.4rem 0;
  transition: color 0.2s;
}
.hero-categories a:hover {
  color: var(--accent);
}
.hero-categories a::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s ease;
}
.hero-categories a:hover::after,
.hero-categories a.active::after {
  width: 100%;
}
.hero-categories a.active {
  color: var(--white);
}
.hero-categories .sep {
  color: var(--accent);
  font-size: 0.85rem;
}

@media (max-width: 900px) {
  .hero-logo img { height: 80px; max-width: 300px; }
  .hero-categories { gap: 1.2rem; }
  .hero-categories a { font-size: 0.82rem; letter-spacing: 0.1em; }
}
@media (max-width: 600px) {
  .hero-brand-wrap { flex-direction: column; align-items: flex-start; }
  .hero-logo img { height: 64px; max-width: 260px; }
  .hero-categories { gap: 0.9rem; font-size: 0.78rem; }
  .hero-categories .sep { display: none; }
}

/* Sub-hero for inner pages (now includes brand block too) */
.page-hero {
  background: var(--ink);
  color: var(--white);
  padding: 0 0 4rem 0;
  position: relative;
}
.page-hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 6px; height: 100%;
  background: var(--accent);
  z-index: 4;
}
.page-hero .page-hero-body {
  padding-top: 3rem;
  position: relative;
  z-index: 3;
}
.page-hero h1 { color: var(--white); margin-bottom: 0.75rem; }
.page-hero .eyebrow { color: var(--accent); }
.page-hero p { color: rgba(255,255,255,0.8); font-size: 1.1rem; max-width: 720px; }

/* ============ BUTTONS ============ */
.btn {
  display: inline-block;
  padding: 0.85rem 1.8rem;
  border-radius: 2px;
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  transition: all 0.2s;
  border: 2px solid transparent;
  cursor: pointer;
  text-align: center;
}
.btn-primary { background: var(--accent); color: var(--white); }
.btn-primary:hover { background: var(--accent-dk); color: var(--white); }
.btn-outline { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: var(--white); color: var(--white); }
.btn-dark { background: var(--ink); color: var(--white); }
.btn-dark:hover { background: var(--charcoal); color: var(--white); }

/* ============ SECTIONS ============ */
.section {
  padding: 5rem 0;
}
.section-ink {
  background: var(--ink);
  color: var(--white);
}
.section-ink h2 { color: var(--white); }
.section-ink p { color: rgba(255,255,255,0.75); }

/* ============ STATS ROW ============ */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  padding: 3rem 0;
}
.stat-item {
  text-align: center;
  padding: 1rem;
  border-left: 2px solid var(--accent);
}
.stat-item:first-child { border-left: none; }
.stat-num {
  font-family: Georgia, serif;
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 0.5rem;
}
.stat-label {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--slate);
}
.section-ink .stat-label { color: rgba(255,255,255,0.7); }
@media (max-width: 700px) {
  .stats-row { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
  .stat-item { border-left: none; border-top: 2px solid var(--accent); padding-top: 1.5rem; }
  .stat-num { font-size: 2.5rem; }
}

/* ============ CARDS ============ */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.card {
  background: var(--white);
  border: 1px solid var(--line);
  position: relative;
  overflow: hidden;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}
.card-accent { border-left: 4px solid var(--accent); }
.card-body { padding: 1.5rem; }
.card h3 { margin-bottom: 0.5rem; font-size: 1.2rem; }
.card .card-meta { color: var(--accent); font-style: italic; font-size: 0.9rem; margin-bottom: 0.75rem; }
.card p { font-size: 0.95rem; color: var(--slate); }

.card-img {
  width: 100%;
  height: 200px;
  background-size: cover;
  background-position: center;
  background-color: var(--line);
}
.card-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: var(--gold);
  color: var(--white);
  padding: 0.25rem 0.7rem;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
}
.card-badge.in-progress { background: var(--accent); }

/* Value prop cards (numbered) */
.value-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 1.75rem;
  position: relative;
}
.value-card .num {
  font-family: Georgia, serif;
  font-weight: 700;
  font-style: italic;
  font-size: 1.8rem;
  color: var(--accent);
  margin-bottom: 0.3rem;
}
.value-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }

/* ============ SERVICES GRID (HVAC / Electrical / Plumbing / FLS) ============ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}
@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .services-grid { grid-template-columns: 1fr; } }
.service-card {
  background: var(--white);
  padding: 2rem 1.5rem;
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  text-align: center;
  transition: transform 0.2s;
}
.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.service-letter {
  width: 72px; height: 72px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--white);
  font-family: Georgia, serif;
  font-size: 2.2rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem auto;
}
.service-card h3 {
  font-size: 1.1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}
.service-card ul {
  list-style: none;
  text-align: left;
  font-size: 0.9rem;
  color: var(--slate);
}
.service-card li {
  position: relative;
  padding-left: 1rem;
  margin-bottom: 0.5rem;
}
.service-card li::before {
  content: "▪";
  position: absolute;
  left: 0;
  color: var(--accent);
}

/* ============ CLIENT LOGOS / BRANDS ============ */
.brands-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
}
@media (max-width: 900px) { .brands-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .brands-grid { grid-template-columns: repeat(2, 1fr); } }
.brand-tile {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.brand-tile .dot {
  width: 10px; height: 10px;
  background: var(--gold);
  flex-shrink: 0;
}
.brand-tile .brand-name {
  font-family: Georgia, serif;
  font-weight: 700;
  font-size: 1rem;
}
.brand-tile .brand-sub {
  font-size: 0.78rem;
  color: var(--slate);
  font-style: italic;
}

/* ============ PROJECT LIST / TIMELINE ============ */
.proj-list {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 1.5rem 2rem;
}
.proj-list-title {
  font-family: Calibri, sans-serif;
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--line);
}
.proj-list ul { list-style: none; }
.proj-list li {
  padding: 0.5rem 0 0.5rem 1.3rem;
  position: relative;
  color: var(--charcoal);
  font-size: 0.95rem;
}
.proj-list li::before {
  content: "▪";
  position: absolute;
  left: 0;
  color: var(--accent);
  top: 0.5rem;
}

/* ============ FOOTER ============ */
.site-footer {
  background: var(--ink);
  color: rgba(255,255,255,0.7);
  padding: 4rem 0 1.5rem 0;
  font-size: 0.9rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2rem;
  margin-bottom: 3rem;
}
@media (max-width: 800px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-col h4 {
  color: var(--accent);
  font-family: Calibri, sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 1rem;
}
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a { color: rgba(255,255,255,0.7); }
.footer-col a:hover { color: var(--accent); }
.footer-brand {
  font-family: Georgia, serif;
  font-size: 1.3rem;
  color: var(--white);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.footer-brand small {
  display: block;
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.5);
  margin-top: 0.3rem;
  text-transform: uppercase;
  font-weight: 400;
  font-family: Calibri, sans-serif;
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 1.5rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

/* ============ CTA BAND ============ */
.cta-band {
  background: var(--ink);
  color: var(--white);
  padding: 3.5rem 0;
  text-align: center;
  border-top: 6px solid var(--accent);
}
.cta-band h2 { color: var(--white); margin-bottom: 1rem; }
.cta-band p { color: rgba(255,255,255,0.8); max-width: 680px; margin: 0 auto 2rem; }

/* ============ CONTACT PAGE ============ */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}
@media (max-width: 800px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 2rem;
  margin-bottom: 1.5rem;
}
.contact-block .contact-label {
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.contact-block .contact-value {
  font-size: 1.15rem;
  color: var(--ink);
  font-weight: 500;
}
.contact-block a { color: var(--ink); }
.contact-block a:hover { color: var(--accent); }

/* ============ CONTACT FORM ============ */
.contact-form {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 2rem;
  margin-top: 2rem;
}
.form-row {
  margin-bottom: 1.1rem;
}
.form-row label {
  display: block;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--charcoal);
  font-weight: 700;
  margin-bottom: 0.4rem;
}
.form-row .req {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: normal;
}
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--ink);
  background: var(--paper);
  transition: border-color 0.2s, background 0.2s;
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--accent);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(184, 80, 66, 0.1);
}
.form-row textarea {
  resize: vertical;
  min-height: 120px;
  font-family: inherit;
}
.form-row select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3e%3cpath fill='%23555' d='M6 8L0 0h12z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-success,
.form-error {
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  border-left: 4px solid;
  font-size: 0.95rem;
}
.form-success {
  background: #f0f7f0;
  border-color: #4a8b4a;
  color: #2d5a2d;
}
.form-error {
  background: #fbf0ef;
  border-color: var(--accent);
  color: var(--accent-dk);
}

/* ============ MAP CONTAINER ============ */
.map-container {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.map-container iframe {
  display: block;
}
.map-footer {
  padding: 1rem 1.25rem;
  background: var(--paper);
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}
.map-footer > div:first-child {
  color: var(--charcoal);
  font-size: 0.95rem;
}
@media (max-width: 600px) {
  .map-footer { flex-direction: column; align-items: flex-start; }
}

/* ============ TEAM INITIALS CARDS ============ */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
@media (max-width: 800px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .team-grid { grid-template-columns: 1fr; } }
.team-card {
  background: var(--white);
  border: 1px solid var(--line);
  padding: 2rem;
  text-align: center;
}
.team-initial {
  width: 88px; height: 88px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-family: Georgia, serif;
  font-size: 2.2rem;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1rem auto;
  position: relative;
}
.team-initial::after {
  content: "";
  position: absolute;
  bottom: -6px; left: 50%;
  transform: translateX(-50%);
  width: 30px; height: 2px;
  background: var(--accent);
}
.team-card h3 { font-size: 1.1rem; margin-bottom: 0.3rem; }
.team-role {
  color: var(--accent);
  font-style: italic;
  font-size: 0.9rem;
  margin-bottom: 0.75rem;
}
.team-bio { font-size: 0.9rem; color: var(--slate); }

/* ============ MISC UTILITIES ============ */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; gap: 1.5rem; } }

.text-center { text-align: center; }
.mt-1 { margin-top: 0.5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; } .mt-4 { margin-top: 2.5rem; }
.mb-1 { margin-bottom: 0.5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; } .mb-4 { margin-bottom: 2.5rem; }

/* Lifecycle timeline (approach section) */
.timeline {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1rem;
  margin-top: 2rem;
}
@media (max-width: 900px) { .timeline { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .timeline { grid-template-columns: 1fr; } }
.stage {
  background: var(--white);
  border: 1px solid var(--line);
  border-top: 4px solid var(--accent);
  padding: 1.5rem;
  text-align: center;
}
.stage-num {
  font-family: Georgia, serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.stage h4 { margin: 0.75rem 0 0.5rem; }
.stage p { font-size: 0.85rem; color: var(--slate); margin: 0; }
