/* MARBU Contracting — brand system from company profile */
:root {
  --navy: #0b2c3d;
  --navy-deep: #071f2c;
  --teal: #00a891;
  --teal-dark: #008f7b;
  --teal-soft: #d8f3ef;
  --ink: #15202b;
  --muted: #5a6a75;
  --line: rgba(11, 44, 61, 0.12);
  --paper: #f4f7f8;
  --white: #ffffff;
  --font-display: "Syne", sans-serif;
  --font-body: "Source Sans 3", sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --max: 1120px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  z-index: 200;
  background: linear-gradient(90deg, var(--navy), var(--teal));
  transform-origin: left;
  pointer-events: none;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  font-size: 1.0625rem;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

.container {
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

/* —— Header —— */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  padding: 1rem 0;
  transition: background 0.35s var(--ease), padding 0.35s var(--ease), box-shadow 0.35s var(--ease);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  padding: 0.65rem 0;
  box-shadow: 0 1px 0 var(--line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.logo img {
  height: 36px;
  width: auto;
}

.site-header:not(.is-scrolled) .logo img {
  filter: brightness(0) invert(1);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(255, 255, 255, 0.88);
  transition: color 0.25s var(--ease);
}

.site-header.is-scrolled .nav a {
  color: var(--navy);
}

.nav a:hover,
.nav a.is-active {
  color: var(--teal);
}

.site-header.is-scrolled .nav a:hover,
.site-header.is-scrolled .nav a.is-active {
  color: var(--teal-dark);
}

.nav-cta {
  padding: 0.55rem 1.15rem;
  background: var(--teal);
  color: var(--white) !important;
  font-weight: 700;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease);
}

.nav-cta:hover {
  background: var(--teal-dark);
  color: var(--white) !important;
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: transparent;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 6px;
}

.site-header.is-scrolled .menu-toggle {
  border-color: var(--line);
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--white);
  transition: transform 0.3s var(--ease), opacity 0.3s;
}

.site-header.is-scrolled .menu-toggle span {
  background: var(--navy);
}

/* —— Hero —— */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-media img {
  width: 100%;
  height: 120%;
  object-fit: cover;
  will-change: transform;
}

.hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(7, 31, 44, 0.55) 0%, rgba(7, 31, 44, 0.25) 38%, rgba(7, 31, 44, 0.78) 100%),
    linear-gradient(90deg, rgba(7, 31, 44, 0.45) 0%, transparent 55%);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 0 0 5.5rem;
  width: min(100% - 2.5rem, var(--max));
  margin-inline: auto;
}

.hero-kicker {
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.9rem;
  animation: riseIn 0.9s var(--ease) both;
}

.hero-brand {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(3.5rem, 12vw, 7.5rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  margin-bottom: 1.25rem;
  animation: riseIn 0.9s var(--ease) both;
}

.hero-brand span {
  color: var(--teal);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 2.8vw, 2rem);
  line-height: 1.25;
  max-width: 18ch;
  margin-bottom: 0.85rem;
  animation: riseIn 0.9s var(--ease) 0.12s both;
}

.hero-lead {
  max-width: 38ch;
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.82);
  margin-bottom: 1.75rem;
  animation: riseIn 0.9s var(--ease) 0.22s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  animation: riseIn 0.9s var(--ease) 0.32s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 1.4rem;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  border: none;
  cursor: pointer;
  transition: background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease);
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--teal-dark);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

.btn-ghost:hover {
  border-color: var(--white);
  background: rgba(255, 255, 255, 0.08);
}

.hero-meta {
  position: absolute;
  right: max(1.25rem, calc((100% - var(--max)) / 2));
  bottom: 5.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  text-align: right;
  animation: riseIn 0.9s var(--ease) 0.4s both;
}

.hero-meta strong {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
}

.hero-meta span {
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.7);
}

.scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 1.6rem;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.45rem;
  transform: translateX(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 1;
  transition: opacity 0.4s var(--ease);
}

.scroll-hint.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.scroll-hint span {
  width: 18px;
  height: 28px;
  border: 1.5px solid rgba(255, 255, 255, 0.55);
  border-radius: 10px;
  position: relative;
}

.scroll-hint span::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 6px;
  width: 3px;
  height: 7px;
  border-radius: 2px;
  background: var(--teal);
  transform: translateX(-50%);
  animation: mousePulse 1.6s var(--ease) infinite;
}

@keyframes mousePulse {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(9px); }
}

@keyframes riseIn {
  from {
    opacity: 0.001;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .hero-brand,
  .hero h1,
  .hero-lead,
  .hero-actions,
  .hero-meta,
  .hero-media img,
  .scroll-hint span::after {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
  }

  .reveal,
  .reveal.is-visible,
  .stagger > *,
  .project,
  .project img,
  .chapter-letter {
    opacity: 1 !important;
    transform: none !important;
    clip-path: none !important;
    filter: none !important;
    transition: none !important;
  }

  .scroll-progress {
    display: none;
  }
}

.btn-outline {
  background: transparent;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.45);
}

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

/* —— Stats band —— */
.stats-band {
  background: var(--navy-deep);
  border-top: 3px solid var(--teal);
  color: var(--white);
}

.stats-band-inner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1px;
  background: rgba(255, 255, 255, 0.08);
}

.band-stat {
  background: var(--navy-deep);
  padding: 1.9rem 1.25rem;
  text-align: center;
}

.band-stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
  margin-bottom: 0.45rem;
}

.band-stat span {
  font-size: 0.85rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.65);
}

/* —— Sections —— */
section {
  padding: 5.5rem 0;
}

.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--teal-dark);
  margin-bottom: 0.85rem;
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--navy);
  max-width: 18ch;
  margin-bottom: 1.15rem;
}

.section-lead {
  color: var(--muted);
  max-width: 52ch;
  font-size: 1.1rem;
}

.reveal {
  opacity: 0;
  transform: translateY(36px);
  filter: blur(4px);
  transition:
    opacity 0.85s var(--ease),
    transform 0.85s var(--ease),
    filter 0.85s var(--ease);
  transition-delay: var(--d, 0s);
}

.reveal[data-reveal="left"] {
  transform: translateX(-40px);
}

.reveal[data-reveal="right"] {
  transform: translateX(40px);
}

.reveal[data-reveal="zoom"] {
  transform: scale(0.94);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
  filter: blur(0);
}

.stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s var(--ease),
    transform 0.7s var(--ease);
  transition-delay: var(--d, 0s);
}

.stagger.is-visible > *,
.reveal.is-visible.stagger > * {
  opacity: 1;
  transform: none;
}

/* —— About —— */
.about {
  background:
    url("../assets/pattern.svg") right -40px top 40px / 220px repeat,
    linear-gradient(180deg, var(--paper) 0%, var(--white) 100%);
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.about-copy p + p {
  margin-top: 1rem;
}

.about-copy p {
  color: var(--muted);
}

.about-copy strong {
  color: var(--navy);
}

.capability-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.6rem 1.5rem;
  margin-top: 1.35rem;
}

.capability-list li {
  position: relative;
  padding-left: 1.6rem;
  color: var(--ink);
  font-size: 0.98rem;
  font-weight: 600;
}

.capability-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 14px;
  height: 8px;
  border-left: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(-45deg);
}

.about-visual {
  position: relative;
  min-height: 420px;
}

.about-visual img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
}

.about-visual figcaption {
  position: absolute;
  left: 0;
  bottom: 0;
  max-width: 85%;
  padding: 0.85rem 1.1rem;
  background: var(--teal);
  color: var(--white);
  font-size: 0.9rem;
  font-weight: 600;
}

/* —— Mission / Vision —— */
.purpose {
  background: var(--navy-deep);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.purpose::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url("../assets/pattern.svg") left bottom / 280px repeat;
  opacity: 0.12;
  pointer-events: none;
}

.purpose .section-label {
  color: var(--teal);
}

.purpose .section-title {
  color: var(--white);
  max-width: 14ch;
}

.purpose-layout {
  position: relative;
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 3.5rem;
  align-items: center;
}

.purpose-copy .purpose-item {
  margin-top: 1.75rem;
  padding-left: 1.15rem;
  border-left: 3px solid var(--teal);
}

.purpose-item h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--teal);
  margin-bottom: 0.7rem;
}

.purpose-item p {
  color: rgba(255, 255, 255, 0.78);
  max-width: 42ch;
  font-size: 1.05rem;
}

.purpose-pillars {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 2rem;
}

.purpose-pillars li {
  padding: 0.4rem 0.85rem;
  border: 1px solid rgba(0, 168, 145, 0.45);
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.purpose-mosaic {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.7rem;
  min-height: 460px;
}

.purpose-mosaic figure {
  overflow: hidden;
  position: relative;
  margin: 0;
}

.purpose-mosaic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.purpose-mosaic figure:hover img {
  transform: scale(1.04);
}

.mosaic-main {
  grid-row: 1 / span 2;
}

.mosaic-main figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.7rem 0.9rem;
  background: linear-gradient(180deg, transparent, rgba(7, 31, 44, 0.85));
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.78rem;
  font-weight: 600;
}

/* —— Sustainability —— */
.sustainability-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 3.5rem;
  align-items: center;
}

.sustainability-mosaic {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 0.7rem;
  min-height: 440px;
}

.sustainability-mosaic figure {
  overflow: hidden;
  position: relative;
  margin: 0;
}

.sustainability-mosaic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease);
}

.sustainability-mosaic figure:hover img {
  transform: scale(1.04);
}

.sustainability-mosaic .mosaic-main {
  grid-row: 1 / span 2;
}

.sustainability-mosaic .mosaic-main figcaption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 0.7rem 0.9rem;
  background: linear-gradient(180deg, transparent, rgba(7, 31, 44, 0.85));
  color: rgba(255, 255, 255, 0.88);
  font-size: 0.78rem;
  font-weight: 600;
}

.memberships {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.75rem;
}

.memberships li {
  padding: 0.55rem 0.9rem;
  background: var(--teal-soft);
  color: var(--navy);
  font-size: 0.88rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

/* —— Branches —— */
.branches {
  background: var(--paper);
}

.branch-columns {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  margin-top: 2.5rem;
}

.branch-columns h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1.15rem;
  padding-bottom: 0.65rem;
  border-bottom: 2px solid var(--teal);
  display: inline-block;
}

.branch-cards {
  list-style: none;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.branch-cards.assoc {
  grid-template-columns: 1fr;
}

.branch-cards li {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background: var(--white);
  border: 1px solid var(--line);
  color: var(--ink);
  font-size: 0.95rem;
  font-weight: 600;
  transition: border-color 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}

.branch-cards li:hover {
  border-color: var(--teal);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(11, 44, 61, 0.08);
}

.branch-cards li span {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--teal);
  flex-shrink: 0;
}

/* —— Projects —— */
.projects-head {
  margin-bottom: 2rem;
}

.chapter-nav {
  position: sticky;
  top: 64px;
  z-index: 50;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.75rem 0;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  margin-bottom: 3rem;
  border-bottom: 1px solid var(--line);
}

.chapter-nav a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  transition: background 0.2s, color 0.2s, border-color 0.2s;
}

.chapter-nav a b {
  font-family: var(--font-display);
  color: var(--teal);
  transition: color 0.2s;
}

.chapter-nav a:hover,
.chapter-nav a.is-current {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
}

.chapter-nav a:hover b,
.chapter-nav a.is-current b {
  color: var(--teal);
}

/* Chapters */
.chapter {
  padding: 3.5rem 0 1.5rem;
  scroll-margin-top: 130px;
}

.chapter-head {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  margin-bottom: 2rem;
}

.chapter-letter {
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 5.5rem);
  font-weight: 800;
  line-height: 0.85;
  flex-shrink: 0;
  background: linear-gradient(180deg, var(--navy) 0%, var(--navy) 52%, var(--teal) 52%, var(--teal) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  transform: scale(0.7);
  opacity: 0.4;
  transition: transform 0.9s var(--ease), opacity 0.9s var(--ease);
}

.chapter-head.is-visible .chapter-letter {
  transform: scale(1);
  opacity: 1;
}

.chapter-head h3 {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  color: var(--navy);
  letter-spacing: -0.02em;
  margin-bottom: 0.35rem;
}

.chapter-head p {
  color: var(--muted);
  max-width: 56ch;
}

.chapter-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.chapter-grid.two-up {
  grid-template-columns: 1fr 1fr;
}

.project {
  position: relative;
  overflow: hidden;
  min-height: 260px;
  background: var(--navy);
}

.project img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
  transform: scale(1.12);
  clip-path: inset(10% 10% 10% 10%);
  transition:
    transform 1.1s var(--ease),
    clip-path 1.1s var(--ease);
  transition-delay: var(--d, 0s);
}

.project.is-visible img {
  transform: scale(1);
  clip-path: inset(0);
}

.project.is-visible:hover img {
  transform: scale(1.06);
}

.project-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  background: linear-gradient(180deg, transparent 35%, rgba(7, 31, 44, 0.9) 100%);
  color: var(--white);
  transform: translateY(16px);
  opacity: 0;
  transition: transform 0.7s var(--ease) 0.18s, opacity 0.7s var(--ease) 0.18s;
}

.project.is-visible .project-overlay {
  transform: none;
  opacity: 1;
}

.project-num {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--teal);
  margin-bottom: 0.3rem;
}

.project-num::before {
  content: "— ";
}

.project h4 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.3;
}

.project.featured {
  grid-column: span 2;
  min-height: 340px;
}

.project.featured img {
  min-height: 340px;
}

.project.featured h4 {
  font-size: 1.35rem;
  max-width: 26ch;
}

/* —— Contact —— */
.contact {
  background:
    linear-gradient(135deg, rgba(7, 31, 44, 0.88), rgba(11, 44, 61, 0.75)),
    url("../assets/hero-4.jpg") center / cover;
  color: var(--white);
}

.contact .section-label {
  color: var(--teal);
}

.contact .section-title {
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  margin-top: 2rem;
}

.contact-details {
  display: grid;
  gap: 1.35rem;
}

.contact-details dt {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 0.35rem;
}

.contact-details dd {
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.05rem;
}

.contact-details a {
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.35);
  transition: border-color 0.2s, color 0.2s;
}

.contact-details a:hover {
  color: var(--teal);
  border-color: var(--teal);
}

.contact-aside {
  align-self: start;
  padding: 1.75rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
}

.contact-aside p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 1.25rem;
}

.contact-aside-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

/* —— Footer —— */
.site-footer {
  background: var(--navy-deep);
  color: rgba(255, 255, 255, 0.65);
  padding: 2rem 0;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.footer-inner a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-inner a:hover {
  color: var(--teal);
}

/* —— Mobile —— */
@media (max-width: 900px) {
  .about-grid,
  .purpose-layout,
  .sustainability-layout,
  .branch-columns,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .purpose-mosaic,
  .sustainability-mosaic {
    min-height: 360px;
  }

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

  .project.featured {
    grid-column: span 2;
  }

  .hero-meta,
  .scroll-hint {
    display: none;
  }

  .stats-band-inner {
    grid-template-columns: repeat(3, 1fr);
  }

  .branch-cards {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .menu-toggle {
    display: flex;
  }

  .nav {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(80vw, 300px);
    background: var(--navy-deep);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 1.75rem 2rem;
    gap: 1.25rem;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    box-shadow: -12px 0 40px rgba(0, 0, 0, 0.25);
  }

  .nav.is-open {
    transform: translateX(0);
  }

  .nav a {
    color: rgba(255, 255, 255, 0.9) !important;
    font-size: 1.1rem;
  }

  .site-header.is-scrolled .nav a {
    color: rgba(255, 255, 255, 0.9) !important;
  }

  .nav-cta {
    width: 100%;
    text-align: center;
  }

  .menu-toggle.is-open span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
  }

  .menu-toggle.is-open span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.is-open span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
  }

  .chapter-grid,
  .chapter-grid.two-up {
    grid-template-columns: 1fr;
  }

  .project.featured {
    grid-column: span 1;
    min-height: 260px;
  }

  .project.featured img {
    min-height: 260px;
  }

  .stats-band-inner {
    grid-template-columns: 1fr 1fr;
  }

  .chapter-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.85rem;
  }

  .chapter-nav {
    top: 56px;
  }

  .capability-list {
    grid-template-columns: 1fr;
  }

  .about-visual,
  .about-visual img {
    min-height: 280px;
  }

  section {
    padding: 4rem 0;
  }
}