/* =============================================
   VITRUVION — SHARED STYLESHEET
   vitruvion.css
============================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600&display=swap');

/* =============================================
   RESET & BASE
============================================= */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-hyphens: none;
  -ms-hyphens: none;
  hyphens: none;
}

:root {
  --black:   #000000;
  --white:   #ffffff;
  --gray-bg: #F5F5F5;
  --gray-border: #D8D8D6;
  --gray-mid: #888888;
  --gray-light: #BBBBBB;
  --bronze:  #C17F3A;
  --font: 'Plus Jakarta Sans', 'Helvetica Neue', Arial, sans-serif;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--white);
  color: var(--black);
  font-family: var(--font);
  font-weight: 400;
  line-height: 1.7;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }

/* =============================================
   TYPOGRAPHY
============================================= */
h1, h2, h3, h4 {
  font-family: var(--font);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.8rem, 6vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 2rem); font-weight: 500; letter-spacing: -0.01em; }
h4 { font-size: 1.5rem; font-weight: 500; letter-spacing: 0; }

p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: #333333;
}

.label {
  font-family: var(--font);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

/* =============================================
   LAYOUT
============================================= */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 5rem);
}

.container--narrow {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 5rem);
}

hr.rule {
  border: none;
  border-top: 1px solid var(--gray-border);
}

hr.rule--black {
  border-top-color: var(--black);
}

/* =============================================
   BUTTONS
============================================= */
.btn-primary {
  display: inline-block;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  background-color: var(--black);
  border: 1px solid var(--black);
  padding: 1rem 2.25rem;
  border-radius: 0;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.btn-primary:hover {
  background-color: var(--bronze);
  border-color: var(--bronze);
  color: var(--white);
}

.btn-outline {
  display: inline-block;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  background-color: transparent;
  border: 1px solid var(--black);
  padding: 1rem 2.25rem;
  border-radius: 0;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease;
}

.btn-outline:hover {
  background-color: var(--black);
  color: var(--white);
}

.btn-outline--white {
  color: var(--white);
  border-color: var(--white);
}

.btn-outline--white:hover {
  background-color: var(--white);
  color: var(--black);
}

/* =============================================
   NAVIGATION
============================================= */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background-color: var(--white);
  border-bottom: 1px solid var(--black);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 5rem);
  gap: 1.5rem;
}

.nav-brand {
  display: flex;
  flex-direction: column;
  gap: 3px;
  flex-shrink: 0;
}

.nav-wordmark {
  font-family: var(--font);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  line-height: 1;
}

.nav-tagline {
  font-family: var(--font);
  font-size: 0.5625rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gray-mid);
  line-height: 1;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: clamp(1.25rem, 2vw, 2.25rem);
  align-items: center;
  flex: 1;
  justify-content: center;
}

.nav-links a {
  font-family: var(--font);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
  transition: color 0.15s ease;
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--bronze);
}

.nav-cta {
  font-family: var(--font);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  background-color: transparent;
  border: 1px solid var(--black);
  padding: 0.625rem 1.5rem;
  border-radius: 0;
  cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease;
  flex-shrink: 0;
  white-space: nowrap;
}

.nav-cta:hover {
  background-color: var(--black);
  color: var(--white);
}

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  flex-shrink: 0;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--black);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav-hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav overlay */
.nav-mobile {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--white);
  border-bottom: 1px solid var(--black);
  z-index: 99;
  flex-direction: column;
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a,
.nav-mobile button {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 48px;
  padding: 0 clamp(1.5rem, 5vw, 2rem);
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--black);
  background: none;
  border: none;
  border-bottom: 1px solid var(--gray-border);
  cursor: pointer;
  text-decoration: none;
  text-align: left;
}

.nav-mobile a:hover,
.nav-mobile button:hover {
  background-color: var(--gray-bg);
}

.nav-mobile .nav-mobile-sub {
  padding-left: calc(clamp(1.5rem, 5vw, 2rem) + 1rem);
  font-size: 0.6875rem;
  font-weight: 500;
  color: var(--gray-mid);
}

.nav-mobile .nav-mobile-cta {
  margin: 1rem clamp(1.5rem, 5vw, 2rem);
  min-height: 48px;
  background-color: var(--black);
  color: var(--white);
  border: none;
  justify-content: center;
  border-bottom: none;
}

.nav-mobile .nav-mobile-cta:hover {
  background-color: #222;
}

@media (max-width: 768px) {
  .nav-links,
  .nav-cta {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  cursor: pointer;
  font-family: var(--font);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
  transition: color 0.15s ease;
  white-space: nowrap;
  background: none;
  border: none;
  padding: 0;
}

.nav-dropdown-toggle:hover,
.nav-dropdown.open .nav-dropdown-toggle {
  color: var(--bronze);
}

.nav-dropdown-toggle svg {
  width: 8px;
  height: 8px;
  transition: transform 0.2s ease;
}

.nav-dropdown.open .nav-dropdown-toggle svg {
  transform: rotate(180deg);
}

.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 1.25rem);
  left: 50%;
  transform: translateX(-50%);
  background: var(--white);
  border: 1px solid var(--black);
  min-width: 200px;
  z-index: 200;
  flex-direction: column;
}

.nav-dropdown.open .nav-dropdown-menu {
  display: flex;
}

.nav-dropdown-menu a {
  font-family: var(--font);
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--black);
  padding: 0.875rem 1.25rem;
  border-bottom: 1px solid var(--gray-border);
  transition: background-color 0.15s ease;
  white-space: nowrap;
}

.nav-dropdown-menu a:last-child {
  border-bottom: none;
}

.nav-dropdown-menu a:hover {
  background-color: var(--gray-bg);
  color: var(--black);
}

/* =============================================
   HOMEPAGE HERO
============================================= */
.hero {
  background-color: var(--white);
  padding-top: calc(72px + 120px);
  padding-bottom: clamp(5rem, 9vw, 8rem);
  padding-left: clamp(1.5rem, 5vw, 5rem);
  padding-right: clamp(1.5rem, 5vw, 5rem);
  max-width: 1280px;
  margin: 0 auto;
}

.hero-label {
  margin-bottom: 2rem;
}

.hero h1 {
  color: var(--black);
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.04;
  margin-bottom: 2rem;
  max-width: 100%;
}

.hero h1 strong {
  display: inline;
  color: var(--black);
}

.hero-sub {
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  line-height: 1.6;
  color: #444444;
  max-width: 680px;
  margin-bottom: 2.75rem;
  font-weight: 400;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

/* =============================================
   HOMEPAGE HERO — IMAGE BAND
============================================= */
.hero-image-band {
  width: 100%;
  height: clamp(420px, 62vh, 780px);
  background-color: #EBEBEB;
  border-top: 1px solid var(--black);
  display: flex;
  align-items: flex-end;
  padding: 1.5rem clamp(1.5rem, 5vw, 5rem);
  position: relative;
  overflow: hidden;
}

.hero-image-band-label {
  font-family: var(--font);
  font-size: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #BBBBBB;
  position: relative;
  z-index: 1;
}

/* =============================================
   WHAT WE DO
============================================= */
.what-we-do {
  background-color: var(--white);
  padding: clamp(5rem, 9vw, 9rem) 0;
  border-top: 1px solid var(--gray-border);
}

.what-we-do-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}

.what-we-do-left {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 100px;
}

.what-we-do-left h2 {
  font-size: clamp(1.75rem, 3vw, 2.75rem);
}

.what-we-do-body p {
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.8;
  color: #222222;
}

.what-we-do-body p + p {
  margin-top: 1.5em;
}

/* =============================================
   MATERIALS
============================================= */
.materials {
  background-color: var(--gray-bg);
  padding: clamp(5rem, 9vw, 9rem) 0;
  border-top: 1px solid var(--gray-border);
  border-bottom: 1px solid var(--gray-border);
}

.materials-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: clamp(3rem, 5vw, 4.5rem);
  gap: 2rem;
}

.materials-header h2 {
  font-size: clamp(1.75rem, 3.5vw, 3rem);
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 1px solid var(--black);
}

.material-card {
  background-color: var(--white);
  display: flex;
  flex-direction: column;
  border-right: 1px solid var(--black);
}

.material-card:last-child {
  border-right: none;
}

.material-photo {
  width: 100%;
  aspect-ratio: 4/3;
  background-color: #E0E0DE;
  border-radius: 0;
  border-bottom: 1px solid var(--black);
  display: flex;
  align-items: flex-end;
  justify-content: flex-start;
  padding: 1rem 1.25rem;
  position: relative;
}

.material-photo-label {
  font-family: var(--font);
  font-size: 0.5rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #999999;
}

.material-body {
  padding: clamp(1.5rem, 2.5vw, 2rem);
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  flex: 1;
}

.material-card .label {
  color: var(--gray-mid);
}

.material-card h3 {
  font-size: clamp(1.1rem, 1.5vw, 1.375rem);
  color: var(--black);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

.material-card p {
  font-size: 0.8125rem;
  line-height: 1.8;
  color: #444444;
}

.material-detail {
  margin-top: auto;
  padding-top: 1.25rem;
  border-top: 1px solid var(--gray-border);
  font-size: 0.5625rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--gray-mid);
  font-weight: 500;
}

/* =============================================
   WHY VITRUVION
============================================= */
.why-vitruvion {
  background-color: var(--white);
  padding: clamp(5rem, 9vw, 9rem) 0;
  border-top: 1px solid var(--gray-border);
}

.why-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: start;
}

.why-editorial {
  font-size: clamp(1rem, 1.4vw, 1.0625rem);
  line-height: 1.8;
  color: #222222;
}

.why-editorial p + p {
  margin-top: 1.5em;
}

.why-sidebar {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--black);
}

.why-point {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--gray-border);
}

.why-point-num {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bronze);
}

.why-point h4 {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--black);
  letter-spacing: -0.01em;
}

.why-point p {
  font-size: 0.8125rem;
  color: #555555;
  line-height: 1.75;
}

/* =============================================
   THE VITRUVION STANDARD
============================================= */
.standard {
  background-color: #1A1A1A;
  padding: clamp(5rem, 9vw, 9rem) 0;
}

.standard .label {
  color: #666666;
  margin-bottom: 1rem;
}

.standard h2 {
  color: var(--white);
  margin-bottom: clamp(3rem, 5vw, 5rem);
  font-weight: 600;
}

.standard-table {
  width: 100%;
  border-collapse: collapse;
}

.standard-table thead tr {
  border-bottom: 1px solid #222222;
}

.standard-table thead th {
  font-family: var(--font);
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 0 0 1.25rem;
  text-align: left;
}

.standard-table thead th:first-child {
  color: #444444;
  width: 18%;
}

.standard-table thead th:nth-child(2) {
  color: #555555;
  padding-left: 3rem;
  width: 38%;
}

.standard-table thead th:nth-child(3) {
  color: #999999;
  padding-left: 3rem;
  text-align: right;
  width: 38%;
}

.standard-table thead th:nth-child(3)::after {
  content: ' ↗';
  color: var(--bronze);
}

.standard-table tbody tr {
  border-bottom: 1px solid #1a1a1a;
}

.standard-table tbody tr:last-child {
  border-bottom: none;
}

.standard-table tbody td {
  padding: 2.5rem 0;
  vertical-align: top;
}

.standard-table tbody td:nth-child(2) {
  padding-left: 3rem;
}

.standard-table tbody td:nth-child(3) {
  padding-left: 3rem;
  text-align: right;
}

.comparison-topic {
  font-size: clamp(0.875rem, 1.2vw, 1rem);
  font-weight: 600;
  color: #333333;
  letter-spacing: -0.01em;
}

.comparison-traditional {
  font-size: 0.8125rem;
  color: #555555;
  line-height: 1.8;
}

.comparison-vitruvion {
  font-size: 0.8125rem;
  color: #cccccc;
  line-height: 1.8;
}

/* =============================================
   INQUIRY FORM
============================================= */
.inquiry {
  background-color: var(--white);
  padding: clamp(5rem, 9vw, 9rem) 0;
  border-top: 1px solid var(--gray-border);
}

.inquiry-inner {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(3rem, 6vw, 8rem);
  align-items: start;
}

.inquiry-intro {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 100px;
}

.inquiry-intro h2 {
  font-size: clamp(1.75rem, 3.5vw, 3rem);
  font-weight: 600;
  letter-spacing: -0.03em;
}

.inquiry-intro p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: #555555;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-family: var(--font);
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--black);
}

.form-group label span.optional {
  font-weight: 400;
  letter-spacing: 0.06em;
  text-transform: none;
  color: var(--gray-mid);
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: var(--font);
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--black);
  background-color: var(--white);
  border: 1px solid var(--black);
  border-radius: 0;
  padding: 0.8125rem 0.875rem;
  outline: none;
  width: 100%;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input::placeholder {
  color: var(--gray-light);
}

.form-group input:focus,
.form-group select:focus {
  border-color: var(--black);
  box-shadow: inset 0 0 0 1px var(--black);
}

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%23000000'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.875rem center;
  cursor: pointer;
  padding-right: 2.5rem;
}

.form-grid {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.btn-submit {
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  background-color: var(--black);
  border: 1px solid var(--black);
  border-radius: 0;
  padding: 1.125rem 3rem;
  cursor: pointer;
  width: 100%;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.btn-submit:hover {
  background-color: var(--bronze);
  border-color: var(--bronze);
}

.form-note {
  font-size: 0.6875rem;
  color: var(--gray-mid);
  letter-spacing: 0.04em;
  line-height: 1.6;
  text-align: center;
  margin-top: 1rem;
}

.form-success {
  display: none;
  text-align: center;
  padding: 4rem 0;
  border: 1px solid var(--black);
}

.form-success h3 {
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--black);
  margin-bottom: 0.75rem;
}

.form-success p {
  font-size: 0.875rem;
  color: #555555;
}

/* =============================================
   FOOTER
============================================= */
footer {
  background-color: var(--black);
  padding: clamp(3.5rem, 6vw, 5rem) 0;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  text-align: center;
}

.footer-wordmark {
  font-family: var(--font);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
}

.footer-tagline {
  font-size: 0.5625rem;
  font-weight: 300;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: #555555;
}

.footer-rule {
  width: 32px;
  height: 1px;
  background-color: #222222;
  margin: 0.25rem auto;
}

.footer-service {
  font-size: 0.6875rem;
  color: #555555;
  letter-spacing: 0.08em;
  font-weight: 400;
}

.footer-copy {
  font-size: 0.625rem;
  color: #333333;
  letter-spacing: 0.06em;
}

/* =============================================
   INTERIOR PAGES — PAGE HEADER
============================================= */
.page-header {
  padding-top: calc(72px + 80px);
  padding-bottom: clamp(4rem, 7vw, 6rem);
  background-color: var(--white);
  border-bottom: 1px solid var(--black);
}

.page-header .page-header-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 5rem);
}

.page-header .label {
  margin-bottom: 1.25rem;
  display: block;
}

.page-header h1 {
  font-size: clamp(2.2rem, 4.5vw, 3.75rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  max-width: 940px;
  line-height: 1.06;
}

.page-header .page-sub {
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  color: #444444;
  max-width: 660px;
  line-height: 1.7;
  font-weight: 400;
}

/* =============================================
   INTERIOR PAGES — CONTENT SECTIONS
============================================= */
.content-section {
  padding: clamp(4rem, 8vw, 7rem) 0;
  border-bottom: 1px solid var(--gray-border);
}

.content-section:last-of-type {
  border-bottom: none;
}

.content-section--gray {
  background-color: var(--gray-bg);
}

.content-section--dark {
  background-color: #1A1A1A;
  color: var(--white);
}

.content-section--dark .label {
  color: #555555;
}

.content-section--dark p {
  color: #aaaaaa;
}

/* =============================================
   INTERIOR PAGES — PROSE
============================================= */
.prose {
  max-width: 780px;
}

.prose p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: #222222;
  margin-bottom: 1.5em;
}

.prose p:last-child {
  margin-bottom: 0;
}

.prose h2 {
  font-size: clamp(1.6rem, 2.8vw, 2.25rem);
  font-weight: 600;
  margin-top: 3.5rem;
  margin-bottom: 1.25rem;
  letter-spacing: -0.025em;
  line-height: 1.1;
  color: var(--black);
}

.prose h3 {
  font-size: clamp(1.1rem, 1.6vw, 1.375rem);
  font-weight: 500;
  margin-top: 2.5rem;
  margin-bottom: 0.875rem;
  letter-spacing: -0.01em;
  color: var(--black);
}

/* =============================================
   INTERIOR PAGES — TWO COLUMN LAYOUT
============================================= */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 5vw, 6rem);
  align-items: start;
}

.two-col--wide {
  grid-template-columns: 2fr 1fr;
}

/* =============================================
   INTERIOR PAGES — PROCESS STEPS
============================================= */
.process-steps {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--black);
  margin-top: 1rem;
}

.process-step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 2rem;
  padding: 2.25rem 0;
  border-bottom: 1px solid var(--gray-border);
}

.process-step-num {
  font-size: 2.5rem;
  font-weight: 600;
  color: #EBEBEB;
  letter-spacing: -0.04em;
  line-height: 1;
  padding-top: 0.15rem;
}

.process-step-body h3 {
  font-size: 1rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  letter-spacing: -0.01em;
  margin-top: 0;
}

.process-step-body p {
  font-size: 0.8125rem;
  color: #555555;
  line-height: 1.75;
  margin: 0;
}

/* =============================================
   INTERIOR PAGES — STAT STRIP
============================================= */
.stat-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--black);
}

.stat-item {
  padding: clamp(1.75rem, 3vw, 2.5rem);
  border-right: 1px solid var(--black);
}

.stat-item:last-child {
  border-right: none;
}

.stat-num {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 600;
  letter-spacing: -0.04em;
  color: var(--black);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.stat-num span {
  color: var(--bronze);
}

.stat-label {
  font-size: 0.75rem;
  color: #666666;
  line-height: 1.5;
}

/* =============================================
   AREAS PAGE — GRID
============================================= */
.area-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--black);
}

.area-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: clamp(1.5rem, 2.5vw, 2rem);
  border-right: 1px solid var(--black);
  border-bottom: 1px solid var(--black);
  background-color: var(--white);
  transition: background-color 0.15s ease, color 0.15s ease;
  text-decoration: none;
  color: var(--black);
  min-height: 180px;
}

.area-card:nth-child(3n) {
  border-right: none;
}

/* Remove bottom border from last row */
.area-card:nth-last-child(-n+3):nth-child(3n+1),
.area-card:nth-last-child(-n+3):nth-child(3n+2),
.area-card:nth-last-child(-n+2):nth-child(3n+1),
.area-card:last-child {
  border-bottom: none;
}

.area-card:hover {
  background-color: var(--black);
  color: var(--white);
}

.area-card:hover .area-card-state {
  color: #666666;
}

.area-card:hover .area-card-arrow {
  color: var(--bronze);
}

.area-card-state {
  font-size: 0.5625rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 0.75rem;
}

.area-card-name {
  font-size: clamp(1rem, 1.4vw, 1.25rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin-bottom: 1.5rem;
  flex: 1;
}

.area-card-arrow {
  font-size: 0.625rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--bronze);
  transition: color 0.15s ease;
}

/* =============================================
   ABOUT PAGE — PRINCIPALS SECTION
============================================= */
.principals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  border: 1px solid var(--black);
  margin-top: 3rem;
}

.principal-card {
  padding: clamp(2rem, 3.5vw, 3rem);
  border-right: 1px solid var(--black);
}

.principal-card:last-child {
  border-right: none;
}

.principal-name {
  font-size: clamp(1.25rem, 2vw, 1.625rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  margin-bottom: 0.375rem;
}

.principal-title {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gray-mid);
  margin-bottom: 1.5rem;
}

.principal-bio {
  font-size: 0.875rem;
  line-height: 1.8;
  color: #444444;
}

/* =============================================
   BREADCRUMB
============================================= */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.breadcrumb a,
.breadcrumb span {
  font-size: 0.6875rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-mid);
}

.breadcrumb a:hover {
  color: var(--black);
}

.breadcrumb .sep {
  color: var(--gray-light);
}

/* =============================================
   RESPONSIVE — HOMEPAGE
============================================= */
@media (max-width: 1024px) {
  .what-we-do-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .what-we-do-left {
    position: static;
  }

  .why-inner {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }

  .materials-grid {
    grid-template-columns: 1fr;
  }

  .material-card {
    border-right: none;
    border-bottom: 1px solid var(--black);
  }

  .material-card:last-child {
    border-bottom: none;
  }

  .material-photo {
    aspect-ratio: 16/7;
  }

  .inquiry-inner {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .inquiry-intro {
    position: static;
  }
}

/* =============================================
   RESPONSIVE — INTERIOR PAGES
============================================= */
@media (max-width: 900px) {
  .nav-links {
    display: none;
  }

  .two-col,
  .two-col--wide {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .stat-strip {
    grid-template-columns: 1fr;
  }

  .stat-item {
    border-right: none;
    border-bottom: 1px solid var(--black);
  }

  .stat-item:last-child {
    border-bottom: none;
  }

  .principals-grid {
    grid-template-columns: 1fr;
  }

  .principal-card {
    border-right: none;
    border-bottom: 1px solid var(--black);
  }

  .principal-card:last-child {
    border-bottom: none;
  }
}

@media (max-width: 768px) {
  .area-grid {
    grid-template-columns: 1fr 1fr;
  }

  .area-card:nth-child(3n) {
    border-right: 1px solid var(--black);
  }

  .area-card:nth-child(2n) {
    border-right: none;
  }

  /* Reset last-row rules for 2-col */
  .area-card:nth-last-child(-n+3):nth-child(3n+1),
  .area-card:nth-last-child(-n+3):nth-child(3n+2) {
    border-bottom: 1px solid var(--black);
  }

  .area-card:nth-last-child(-n+2):nth-child(2n+1),
  .area-card:nth-last-child(-n+2):nth-child(2n+2),
  .area-card:last-child {
    border-bottom: none;
  }
}

/* =============================================
   RESPONSIVE — SHARED MOBILE
============================================= */
@media (max-width: 640px) {
  .nav-tagline { display: none; }

  .nav-cta {
    font-size: 0.625rem;
    padding: 0.5rem 1rem;
    letter-spacing: 0.08em;
  }

  .standard-table {
    display: block;
  }

  .standard-table thead { display: none; }

  .standard-table tbody {
    display: block;
  }

  .standard-table tbody tr {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 2rem 0;
    border-bottom: 1px solid #1a1a1a;
  }

  .standard-table tbody tr:last-child {
    border-bottom: none;
  }

  .standard-table tbody td {
    padding: 0;
    width: 100% !important;
    text-align: left !important;
  }

  .comparison-topic {
    padding-bottom: 1rem;
    color: #666666;
  }

  .comparison-traditional,
  .comparison-vitruvion {
    padding: 0.75rem 0;
    border-top: 1px solid #1a1a1a;
  }

  .comparison-traditional::before {
    content: 'Traditional Solar';
    display: block;
    font-size: 0.5625rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #444444;
    font-weight: 600;
    margin-bottom: 0.4rem;
  }

  .comparison-vitruvion::before {
    content: 'Vitruvion';
    display: block;
    font-size: 0.5625rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #888888;
    font-weight: 600;
    margin-bottom: 0.4rem;
  }

  .standard-table tbody td:nth-child(2),
  .standard-table tbody td:nth-child(3) {
    padding-left: 0;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .materials-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .area-grid {
    grid-template-columns: 1fr;
  }

  .area-card {
    border-right: none;
  }

  .area-card:nth-child(3n) {
    border-right: none;
  }

  .area-card:nth-child(2n) {
    border-right: none;
  }

  .area-card:nth-last-child(-n+2):nth-child(2n+1),
  .area-card:nth-last-child(-n+2):nth-child(2n+2) {
    border-bottom: 1px solid var(--black);
  }

  .area-card:last-child {
    border-bottom: none;
  }

  .process-step {
    grid-template-columns: 48px 1fr;
    gap: 1.25rem;
  }

  .process-step-num {
    font-size: 1.75rem;
  }
}