:root {
  --navy: #0d1b3d;
  --navy-2: #132a59;
  --green: #057c4a;
  --green-bright: #22a850;
  --yellow: #f2b705;
  --blue: #0072b8;
  --ink: #101829;
  --paper: #f2f4f7;
  --white: #ffffff;
  --muted: #697283;
  --line: rgba(13, 27, 61, 0.14);
  --radius: 1.5rem;
  --max: 1220px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Poppins", sans-serif;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

body.menu-open {
  overflow: hidden;
}

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

button,
input,
select,
textarea {
  font: inherit;
}

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

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 1rem;
  left: 1rem;
  padding: 0.75rem 1rem;
  transform: translateY(-160%);
  border-radius: 0.5rem;
  background: var(--white);
  color: var(--navy);
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.2rem;
}

.nav-shell {
  width: min(var(--max), calc(100% - 2rem));
  min-height: 74px;
  margin: 0 auto;
  padding: 0.55rem 0.65rem 0.55rem 1rem;
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 1.2rem;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 1.5rem 4rem rgba(5, 15, 36, 0.22);
  backdrop-filter: blur(14px);
}

.brand img {
  width: 128px;
  height: 54px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(1rem, 2.4vw, 2rem);
}

.nav-links a {
  position: relative;
  padding: 0.7rem 0;
  color: #26324a;
  font-size: 0.82rem;
  font-weight: 600;
}

.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0.35rem;
  left: 0;
  height: 2px;
  transform: scaleX(0);
  transform-origin: right;
  background: var(--green);
  transition: transform 250ms ease;
}

.nav-links a:hover::after,
.nav-links a:focus-visible::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  min-height: 54px;
  padding: 0 1.2rem;
  display: inline-flex;
  align-items: center;
  gap: 1.1rem;
  border-radius: 0.8rem;
  background: var(--navy);
  color: var(--white);
  font-size: 0.82rem;
  font-weight: 700;
  transition:
    transform 200ms ease,
    background 200ms ease;
}

.nav-cta:hover {
  transform: translateY(-2px);
  background: var(--green);
}

.menu-toggle {
  display: none;
}

.hero {
  position: relative;
  min-height: 760px;
  padding: 8rem max(1.5rem, calc((100vw - var(--max)) / 2)) 4rem;
  display: flex;
  align-items: flex-start;
  overflow: hidden;
  isolation: isolate;
  color: var(--white);
  background: var(--navy);
}

.hero-media {
  position: absolute;
  z-index: -3;
  inset: 0;
  background:
    linear-gradient(
      90deg,
      rgba(7, 18, 45, 0.98) 0%,
      rgba(7, 18, 45, 0.88) 31%,
      rgba(7, 18, 45, 0.22) 67%,
      rgba(7, 18, 45, 0.06) 100%
    ),
    linear-gradient(0deg, rgba(7, 18, 45, 0.45), transparent 45%),
    url("./assets/legacy-hero.webp") 62% center / cover no-repeat;
  transform: scale(1.02);
  animation: heroZoom 1.8s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.hero-grid {
  position: absolute;
  z-index: -2;
  inset: 0;
  opacity: 0.13;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.5) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.5) 1px, transparent 1px);
  background-size: 110px 110px;
  mask-image: linear-gradient(90deg, black, transparent 60%);
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 20%;
  left: -170px;
  width: 410px;
  height: 410px;
  border: 1px solid rgba(242, 183, 5, 0.35);
  border-radius: 50%;
  box-shadow:
    0 0 0 70px rgba(242, 183, 5, 0.04),
    0 0 0 140px rgba(242, 183, 5, 0.025);
}

.hero-content {
  width: min(900px, 68vw);
  padding-top: 0.75rem;
}

.eyebrow {
  margin: 0 0 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  color: var(--green);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 2.4rem;
  height: 2px;
  background: currentColor;
}

.hero-eyebrow,
.eyebrow-light {
  color: var(--yellow);
}

.hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(3.2rem, 5.7vw, 5.9rem);
  line-height: 1.03;
  letter-spacing: -0.055em;
}

.hero h1 span {
  color: var(--yellow);
}

.hero-copy {
  max-width: 620px;
  margin: 1.5rem 0 0;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(1rem, 1.4vw, 1.22rem);
  line-height: 1.7;
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.button {
  min-height: 58px;
  padding: 0 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  border: 0;
  border-radius: 0.75rem;
  cursor: pointer;
  font-size: 0.87rem;
  font-weight: 700;
  transition:
    transform 200ms ease,
    box-shadow 200ms ease,
    background 200ms ease,
    color 200ms ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button-primary {
  background: var(--yellow);
  color: var(--navy);
  box-shadow: 0 1rem 2.5rem rgba(242, 183, 5, 0.18);
}

.button-primary:hover {
  background: #ffd23a;
  box-shadow: 0 1.2rem 3rem rgba(242, 183, 5, 0.28);
}

.button-ghost {
  border: 1px solid rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  backdrop-filter: blur(8px);
}

.button-ghost:hover {
  border-color: rgba(255, 255, 255, 0.7);
  background: rgba(255, 255, 255, 0.15);
}

.hero-signature {
  position: absolute;
  right: max(1.5rem, calc((100vw - var(--max)) / 2));
  bottom: 4rem;
  width: 285px;
  padding: 1rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 1rem;
  background: rgba(5, 18, 48, 0.72);
  backdrop-filter: blur(14px);
}

.hero-signature img {
  width: 52px;
  height: 52px;
  object-fit: contain;
}

.hero-signature p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.7rem;
  line-height: 1.55;
}

.hero-signature strong {
  display: block;
  color: var(--white);
  font-size: 0.78rem;
}

.scroll-cue {
  position: absolute;
  bottom: 2.5rem;
  left: 50%;
  width: 28px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 20px;
}

.scroll-cue span {
  position: absolute;
  top: 8px;
  left: 50%;
  width: 4px;
  height: 8px;
  transform: translateX(-50%);
  border-radius: 10px;
  background: var(--yellow);
  animation: scrollCue 1.8s ease-in-out infinite;
}

.marquee {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--white);
}

.marquee-track {
  width: max-content;
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  animation: marquee 28s linear infinite;
}

.marquee-track span {
  color: var(--navy);
  font-size: clamp(0.82rem, 1.2vw, 1rem);
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

.marquee-track i {
  width: 9px;
  height: 9px;
  display: block;
  transform: rotate(45deg);
  background: var(--yellow);
}

.section {
  padding: clamp(4.25rem, 5.5vw, 6rem) 1.5rem;
}

.section-wrap {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.about {
  position: relative;
  overflow: hidden;
  background: var(--white);
}

.about-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(3rem, 6vw, 6rem);
  align-items: start;
}

.section-intro h2,
.section-heading h2,
.method h2,
.participate h2,
.contact h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(2.5rem, 4.3vw, 4.3rem);
  line-height: 1.12;
  letter-spacing: -0.045em;
}

.about-copy {
  padding-top: 1.5rem;
}

.about-copy p {
  max-width: 670px;
  margin: 0 0 1.3rem;
  color: var(--muted);
  line-height: 1.85;
}

.about-copy .lead {
  color: var(--ink);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 500;
  line-height: 1.55;
}

.text-link {
  margin-top: 1rem;
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--navy);
  color: var(--navy);
  font-size: 0.84rem;
  font-weight: 700;
}

.about-mark {
  position: absolute;
  left: 2.5vw;
  bottom: 1rem;
  width: 220px;
  height: 220px;
  pointer-events: none;
}

.about-mark.reveal {
  opacity: 0;
}

.about-mark.reveal.is-visible {
  opacity: 0.055;
}

.about-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.about-mark span {
  position: absolute;
  right: -1rem;
  bottom: 2.5rem;
  transform: rotate(-90deg);
  color: var(--navy);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.5em;
  text-transform: uppercase;
}

.pillars {
  background:
    radial-gradient(circle at 82% 8%, rgba(242, 183, 5, 0.13), transparent 28%),
    var(--paper);
}

.section-heading {
  margin-bottom: clamp(2.5rem, 4vw, 4rem);
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  align-items: end;
  gap: 3rem;
}

.section-heading > p {
  max-width: 480px;
  margin: 0 0 0.6rem;
  color: var(--muted);
  line-height: 1.75;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1rem;
}

.pillar-card {
  position: relative;
  min-height: 240px;
  padding: 1.6rem;
  display: flex;
  grid-column: span 2;
  flex-direction: column;
  justify-content: flex-start;
  gap: clamp(2rem, 2.6vw, 2.8rem);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  transition:
    transform 300ms ease,
    box-shadow 300ms ease,
    border-color 300ms ease;
}

.pillar-card:nth-child(4),
.pillar-card:nth-child(5) {
  grid-column: span 3;
  min-height: 220px;
}

.pillar-card:hover {
  transform: translateY(-8px);
  border-color: rgba(5, 124, 74, 0.35);
  box-shadow: 0 1.5rem 4rem rgba(13, 27, 61, 0.1);
}

.pillar-feature {
  border: 0;
  background:
    linear-gradient(145deg, rgba(5, 124, 74, 0.92), rgba(13, 27, 61, 0.98)),
    var(--navy);
  color: var(--white);
}

.pillar-feature::after {
  content: "";
  position: absolute;
  right: -70px;
  bottom: -100px;
  width: 240px;
  height: 240px;
  border: 38px solid rgba(242, 183, 5, 0.12);
  border-radius: 50%;
}

.pillar-index {
  position: relative;
  z-index: 1;
  color: var(--green);
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 0.14em;
}

.pillar-feature .pillar-index {
  color: var(--yellow);
}

.pillar-kicker {
  margin: 0 0 0.8rem;
  color: var(--green);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.pillar-feature .pillar-kicker {
  color: var(--yellow);
}

.pillar-card h3 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  line-height: 1.28;
  letter-spacing: -0.035em;
}

.pillar-feature h3 {
  color: var(--white);
}

.pillar-card p:last-child {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.65;
}

.pillar-feature p:last-child {
  color: rgba(255, 255, 255, 0.68);
}

.card-arrow {
  position: absolute;
  top: 1.3rem;
  right: 1.3rem;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  color: var(--yellow);
}

.method {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--navy);
}

.method::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.05;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.6) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.6) 1px, transparent 1px);
  background-size: 88px 88px;
}

.method-shape {
  position: absolute;
  top: -300px;
  right: -200px;
  width: 720px;
  height: 720px;
  border: 100px solid rgba(5, 124, 74, 0.3);
  border-radius: 50%;
  box-shadow: inset 0 0 0 35px rgba(242, 183, 5, 0.08);
}

.method .section-wrap {
  position: relative;
}

.method h2 {
  max-width: 850px;
  color: var(--white);
}

.method-grid {
  margin-top: clamp(3rem, 5vw, 5rem);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.method-step {
  min-height: 190px;
  padding: 1.5rem 1.8rem 1.5rem 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: clamp(2rem, 2.6vw, 2.8rem);
  border-right: 1px solid rgba(255, 255, 255, 0.16);
}

.method-step + .method-step {
  padding-left: 1.8rem;
}

.method-step:last-child {
  border-right: 0;
}

.method-step > span {
  color: var(--yellow);
  font-size: 0.72rem;
  font-weight: 700;
}

.method-step h3 {
  margin: 0 0 0.8rem;
  font-size: 1.45rem;
  line-height: 1.3;
}

.method-step p {
  margin: 0;
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.88rem;
  line-height: 1.7;
}

.participate {
  background: var(--white);
}

.participate-grid {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: clamp(3rem, 6vw, 6rem);
}

.participate-title {
  display: flex;
  flex-direction: column;
}

.participate-visual {
  position: relative;
  height: clamp(230px, 17vw, 285px);
  margin: clamp(2rem, 3vw, 2.8rem) 0 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--navy);
}

.participate-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(13, 27, 61, 0.78) 100%);
  pointer-events: none;
}

.participate-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  transition: transform 700ms cubic-bezier(0.22, 1, 0.36, 1);
}

.participate-visual:hover img {
  transform: scale(1.035);
}

.participate-visual figcaption {
  position: absolute;
  z-index: 1;
  right: 1.35rem;
  bottom: 1.25rem;
  left: 1.35rem;
  color: var(--white);
  font-size: 0.76rem;
  line-height: 1.5;
}

.participate-options {
  border-top: 1px solid var(--line);
}

.participate-card {
  min-height: 150px;
  padding: 1.6rem 0;
  display: grid;
  grid-template-columns: 60px 1fr 40px;
  align-items: center;
  gap: 1.2rem;
  border-bottom: 1px solid var(--line);
  transition:
    padding 260ms ease,
    color 260ms ease;
}

.participate-card:hover {
  padding-right: 1rem;
  padding-left: 1rem;
  color: var(--green);
}

.option-number {
  color: var(--green);
  font-size: 0.68rem;
  font-weight: 800;
}

.participate-card h3 {
  margin: 0 0 0.45rem;
  color: var(--navy);
  font-size: 1.35rem;
  line-height: 1.3;
  letter-spacing: -0.03em;
}

.participate-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.84rem;
}

.participate-card > span:last-child {
  font-size: 1.25rem;
}

.contact {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(125deg, rgba(5, 124, 74, 0.9), rgba(13, 27, 61, 0.97) 52%),
    var(--navy);
}

.contact-accent {
  position: absolute;
  right: -7%;
  bottom: -55%;
  width: 620px;
  height: 620px;
  border: 85px solid rgba(242, 183, 5, 0.12);
  border-radius: 50%;
}

.contact-grid {
  position: relative;
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  align-items: start;
  gap: clamp(3rem, 6vw, 6rem);
}

.contact h2 {
  max-width: 560px;
  color: var(--white);
}

.contact-copy > p:not(.eyebrow) {
  max-width: 480px;
  margin: 1.5rem 0;
  color: rgba(255, 255, 255, 0.68);
  line-height: 1.8;
}

.contact-copy > a {
  display: inline-block;
  border-bottom: 1px solid rgba(255, 255, 255, 0.45);
  color: var(--yellow);
  font-size: 0.88rem;
  font-weight: 600;
}

.contact-form {
  padding: clamp(1.5rem, 4vw, 2.6rem);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(12px);
}

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

.contact-form label {
  margin-bottom: 1.25rem;
  display: block;
}

.contact-form label > span {
  margin-bottom: 0.55rem;
  display: block;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.72rem;
  font-weight: 600;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.32);
  border-radius: 0;
  outline: 0;
  background: transparent;
  color: var(--white);
  line-height: 2.7;
  transition: border-color 200ms ease;
}

.contact-form textarea {
  resize: vertical;
  line-height: 1.6;
}

.contact-form select option {
  color: var(--navy);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  border-color: var(--yellow);
}

.form-submit {
  width: 100%;
  margin-top: 0.5rem;
}

.form-status {
  min-height: 1.4rem;
  margin: 0.8rem 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.72rem;
  text-align: center;
}

.site-footer {
  padding: 4rem 1.5rem 1.5rem;
  background: #08132d;
  color: var(--white);
}

.footer-grid {
  padding-bottom: 3rem;
  display: grid;
  grid-template-columns: 1.1fr 1fr 0.65fr 1fr;
  gap: 3rem;
}

.footer-brand {
  width: 185px;
  align-self: start;
  padding: 0.7rem;
  border-radius: 0.8rem;
  background: var(--white);
}

.footer-manifesto {
  margin: 0;
  color: rgba(255, 255, 255, 0.74);
  font-size: 1.08rem;
  font-weight: 500;
  line-height: 1.65;
}

.footer-links,
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.footer-links p,
.footer-contact p {
  margin: 0 0 0.4rem;
  color: var(--yellow);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.footer-links a,
.footer-contact a,
.footer-contact span {
  color: rgba(255, 255, 255, 0.64);
  font-size: 0.76rem;
}

.footer-links a:hover,
.footer-contact a:hover {
  color: var(--white);
}

.instagram-item {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
}

.instagram-item svg {
  width: 1.15rem;
  height: 1.15rem;
  flex: 0 0 auto;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
}

.instagram-item .instagram-dot {
  fill: currentColor;
  stroke: none;
}

.footer-bottom {
  padding-top: 1.4rem;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.4);
  font-size: 0.66rem;
}

.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 750ms cubic-bezier(0.22, 1, 0.36, 1),
    transform 750ms cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.pillar-card:nth-child(2),
.method-step:nth-child(2),
.participate-card:nth-child(2) {
  transition-delay: 80ms;
}

.pillar-card:nth-child(3),
.method-step:nth-child(3),
.participate-card:nth-child(3) {
  transition-delay: 160ms;
}

.pillar-card:nth-child(4),
.method-step:nth-child(4) {
  transition-delay: 240ms;
}

.pillar-card:nth-child(5) {
  transition-delay: 320ms;
}

@keyframes heroZoom {
  from {
    transform: scale(1.08);
  }
  to {
    transform: scale(1.02);
  }
}

@keyframes scrollCue {
  0%,
  100% {
    opacity: 0.3;
    transform: translate(-50%, 0);
  }
  50% {
    opacity: 1;
    transform: translate(-50%, 12px);
  }
}

@keyframes marquee {
  to {
    transform: translateX(-50%);
  }
}

@media (max-width: 1040px) {
  .nav-shell {
    grid-template-columns: 150px 1fr auto;
  }

  .nav-links {
    gap: 1rem;
  }

  .nav-links a {
    font-size: 0.72rem;
  }

  .hero-content {
    width: 72vw;
  }

  .hero-signature {
    display: none;
  }

  .pillar-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .pillar-card,
  .pillar-card:nth-child(4),
  .pillar-card:nth-child(5) {
    grid-column: span 1;
  }

  .pillar-card:last-child {
    grid-column: span 2;
  }

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

@media (max-width: 820px) {
  .site-header {
    position: absolute;
    padding: 0.8rem 0.2rem;
  }

  .nav-shell {
    position: relative;
    width: calc(100% - 1rem);
    min-height: 66px;
    grid-template-columns: 1fr auto;
    backdrop-filter: none;
  }

  .brand img {
    width: 112px;
    height: 46px;
  }

  .menu-toggle {
    position: relative;
    z-index: 3;
    width: 48px;
    height: 48px;
    display: grid;
    place-content: center;
    gap: 6px;
    border: 0;
    border-radius: 0.7rem;
    background: var(--navy);
  }

  .menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--white);
    transition: transform 220ms ease;
  }

  .menu-toggle[aria-expanded="true"] span:first-child {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:last-child {
    transform: translateY(-4px) rotate(-45deg);
  }

  .nav-links {
    position: fixed;
    z-index: 2;
    inset: 0;
    padding: 8rem 2rem 3rem;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    visibility: hidden;
    opacity: 0;
    background: var(--navy);
    transition:
      opacity 220ms ease,
      visibility 220ms ease;
  }

  .nav-links.is-open {
    visibility: visible;
    opacity: 1;
  }

  .nav-links a {
    width: 100%;
    padding: 1.2rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--white);
    font-size: 1.3rem;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    min-height: 760px;
    padding-top: 8rem;
    align-items: flex-end;
  }

  .hero-media {
    background:
      linear-gradient(0deg, rgba(7, 18, 45, 0.98) 0%, rgba(7, 18, 45, 0.72) 56%, rgba(7, 18, 45, 0.18) 100%),
      url("./assets/legacy-hero.webp") 67% center / cover no-repeat;
  }

  .hero-content {
    width: 100%;
    padding-bottom: 2.5rem;
  }

  .hero h1 {
    font-size: clamp(3rem, 12.5vw, 5.2rem);
    line-height: 1.02;
  }

  .hero-copy {
    font-size: 0.96rem;
  }

  .scroll-cue {
    display: none;
  }

  .about-grid,
  .section-heading,
  .participate-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-copy {
    padding-top: 0;
  }

  .about-mark {
    display: none;
  }

  .section-heading {
    align-items: start;
  }

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

  .method-step:nth-child(2) {
    border-right: 0;
  }

  .method-step:nth-child(3),
  .method-step:nth-child(4) {
    border-top: 1px solid rgba(255, 255, 255, 0.16);
  }
}

@media (max-width: 580px) {
  .section {
    padding: 4rem 1rem;
  }

  .hero {
    min-height: 720px;
    padding-right: 1rem;
    padding-left: 1rem;
  }

  .hero-actions,
  .hero-actions .button {
    width: 100%;
  }

  .hero-actions .button {
    justify-content: space-between;
  }

  .pillar-grid,
  .method-grid,
  .field-row,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .pillar-card,
  .pillar-card:last-child {
    min-height: 220px;
    grid-column: span 1;
    gap: 2rem;
  }

  .method-step,
  .method-step + .method-step {
    min-height: 180px;
    padding: 1.5rem 0;
    gap: 1.75rem;
    border-right: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }

  .method-step:last-child {
    border-bottom: 0;
  }

  .participate-card {
    grid-template-columns: 38px 1fr 24px;
  }

  .participate-visual {
    height: 220px;
  }

  .footer-grid {
    gap: 2.5rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 0.6rem;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}