/* ─────────────────────────────────────────────────────────────
   EasyExchange — site stylesheet
   Design tokens and components ported from
   commonskygroup-site/easyexchange.html, extended for the
   standalone EasyExchange marketing site.
   ───────────────────────────────────────────────────────────── */

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

:root {
    --color-bg: #ffffff;
    --color-bg-soft: #f8faf9;
    --color-text: #1a2e1f;
    --color-text-muted: #5a7060;
    --color-border: #e0ebe3;
    --color-ee: #0e9e6e;
    --color-ee-light: #e8f7f2;
    --color-ee-dark: #0a7a54;
    --color-nav-bg: rgba(255, 255, 255, 0.96);
    --color-footer-bg: #0f172a;
    --color-footer-text: #cbd5e1;
    --color-footer-muted: #94a3b8;
    --font-display: 'Playfair Display', Georgia, serif;
    --font-body: 'DM Sans', system-ui, sans-serif;
    --radius: 0.75rem;
    --radius-lg: 1.25rem;
    --nav-height: 57px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
}

p,
li {
    text-wrap: pretty;
}

h1,
h2,
h3,
h4,
.section-subtitle {
    text-wrap: balance;
}

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

a {
    color: var(--color-ee);
    text-decoration: none;
}

a:hover {
    color: var(--color-ee-dark);
}

/* ─── Container ─── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ─── Navigation ─── */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--color-nav-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    padding: 0.875rem 0;
}

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

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-ee);
    letter-spacing: -0.01em;
    line-height: 1;
}

.nav-logo:hover {
    color: var(--color-ee-dark);
}

.nav-logo img {
    display: block;
    height: 40px;
    width: auto;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--color-text-muted);
    font-weight: 500;
    font-size: 0.9375rem;
    transition: color 0.2s;
}

.nav-links a:hover {
    color: var(--color-text);
}

.nav-links a.is-current {
    color: var(--color-text);
}

.nav-links a.nav-cta {
    background: var(--color-ee);
    color: white;
    padding: 0.5rem 1.125rem;
    border-radius: 9999px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(14, 158, 110, 0.2);
}

.nav-links a.nav-cta:hover {
    background: var(--color-ee-dark);
    color: white;
    transform: translateY(-1px);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    color: var(--color-text);
}

.nav-toggle svg {
    width: 24px;
    height: 24px;
}

/* ─── Buttons ─── */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: 9999px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background: var(--color-ee);
    color: white;
    box-shadow: 0 4px 16px rgba(14, 158, 110, 0.25);
}

.btn-primary:hover {
    background: var(--color-ee-dark);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 8px 24px rgba(14, 158, 110, 0.3);
}

.btn-secondary {
    background: white;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-ee);
    color: var(--color-ee);
    transform: translateY(-1px);
}

.btn-outline {
    background: transparent;
    color: var(--color-ee);
    border: 1.5px solid var(--color-ee);
    padding: calc(0.875rem - 1.5px) calc(2rem - 1.5px);
}

.btn-outline:hover {
    background: var(--color-ee-light);
    color: var(--color-ee);
    transform: translateY(-1px);
}

/* ─── Sections + headings ─── */
section {
    padding: 5rem 2rem;
}

section h2 {
    font-family: var(--font-display);
    font-size: 2.25rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 0.75rem;
    color: var(--color-text);
    line-height: 1.25;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    line-height: 1.7;
    margin-bottom: 3.5rem;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}

.eyebrow {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-ee);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.25rem;
}

/* ─── Hero ─── */
.hero {
    padding: 7rem 2rem 5rem;
    background: linear-gradient(160deg, #f0faf6 0%, #e8f4f0 50%, #f0f7ff 100%);
    margin-top: var(--nav-height);
}

.hero-split .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.hero-content h1 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: 1.25rem;
}

.hero-content .hero-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin-bottom: 2rem;
    max-width: 480px;
}

.hero-content .btn-row {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.hero-centered {
    text-align: center;
}

.hero-centered .container {
    max-width: 820px;
}

.hero-centered h1 {
    font-family: var(--font-display);
    font-size: 2.75rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: 1.25rem;
}

.hero-centered .hero-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.75;
    margin: 0 auto 2rem;
    max-width: 640px;
}

/* Hero credentials card (Home page) */
.hero-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: 0 4px 32px rgba(0,0,0,0.06), 0 1px 4px rgba(0,0,0,0.04);
    border: 1px solid var(--color-border);
}

.hero-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-ee);
    margin-bottom: 1.5rem;
}

.credential-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border);
}

.credential-row:last-child { border-bottom: none; }

.credential-icon {
    width: 36px;
    height: 36px;
    flex-shrink: 0;
    background: var(--color-ee-light);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.credential-icon svg {
    width: 18px;
    height: 18px;
    color: var(--color-ee);
}

.credential-text h4 {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 0.2rem;
}

.credential-text p {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
}

.hero-image img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 420px;
    object-fit: contain;
}

/* ─── Feature strip ─── */
.feature-strip {
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 2.5rem 2rem;
}

.feature-strip .container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.feature-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.exchange-preview {
    display: block;
    width: 100%;
    max-width: 900px;
    height: auto;
    margin: 0 auto;
}

/* ─── Card grids (3-up) ─── */
.bg-soft { background: var(--color-bg-soft); }

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1100px;
    margin: 0 auto;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.diff-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid var(--color-border);
    transition: box-shadow 0.2s, transform 0.2s;
}

.diff-card:hover {
    box-shadow: 0 8px 32px rgba(0,0,0,0.07);
    transform: translateY(-2px);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--color-ee-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.card-icon svg {
    width: 24px;
    height: 24px;
    color: var(--color-ee);
}

.diff-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-ee);
    margin-bottom: 0.75rem;
}

.diff-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.diff-card ul,
.bullet-list {
    list-style: none;
}

.diff-card ul li,
.bullet-list li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    padding: 0.375rem 0 0.375rem 1.5rem;
    position: relative;
    line-height: 1.5;
}

.diff-card ul li::before,
.bullet-list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.65rem;
    width: 6px;
    height: 6px;
    background: var(--color-ee);
    border-radius: 50%;
}

/* Capability cards (lighter, for "What can you do") */
.cap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    max-width: 1100px;
    margin: 0 auto;
}

.cap-card {
    background: var(--color-bg-soft);
    border-radius: var(--radius);
    padding: 2rem;
    border: 1px solid var(--color-border);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.cap-card:hover {
    border-color: var(--color-ee);
    box-shadow: 0 4px 16px rgba(14, 158, 110, 0.08);
}

.cap-icon {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    border: 1px solid var(--color-border);
}

.cap-icon svg {
    width: 20px;
    height: 20px;
    color: var(--color-ee);
}

.cap-card h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.cap-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.65;
}

/* ─── Numbered step list (How It Works, For Schools) ─── */
.steps {
    max-width: 880px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 1.75rem;
    align-items: flex-start;
}

.step-number {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-ee);
    color: white;
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 14px rgba(14, 158, 110, 0.25);
}

.step h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    line-height: 1.3;
}

.step p {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    line-height: 1.7;
}

/* Compact 3-step (For Schools "How the Pilot Works") */
.steps-compact {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.steps-compact .step {
    grid-template-columns: 1fr;
    gap: 1rem;
    text-align: center;
    align-items: center;
}

.steps-compact .step-number {
    margin: 0 auto;
}

/* ─── Team grid (About) ─── */
.team-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 900px;
    margin: 0 auto;
    align-items: stretch;
}

.team-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid var(--color-border);
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.team-photo {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--color-ee-light);
}

.team-photo-placeholder {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    background: var(--color-ee-light);
    color: var(--color-ee);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 600;
    border: 4px solid var(--color-ee-light);
}

.team-card h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.team-role {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-ee);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 1rem;
}

.team-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    line-height: 1.7;
    text-align: left;
}

/* ─── Long-form prose (About Story, Privacy, Terms) ─── */
.prose {
    max-width: 720px;
    margin: 0 auto;
    color: var(--color-text);
    font-size: 1.0625rem;
    line-height: 1.8;
}

.prose p {
    margin-bottom: 1.25rem;
    color: var(--color-text-muted);
}

.prose h2 {
    text-align: left;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    font-size: 1.75rem;
}

.prose h3 {
    font-family: var(--font-display);
    font-size: 1.375rem;
    font-weight: 600;
    color: var(--color-text);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.prose ul {
    margin: 0 0 1.25rem 1.5rem;
    color: var(--color-text-muted);
}

.prose li {
    margin-bottom: 0.5rem;
}

/* Draft notice on legal pages — remove with the markup when finalized */
.draft-notice {
    background: var(--color-bg-soft);
    border: 1.5px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 0.875rem 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--color-text-muted);
    font-size: 0.9375rem;
}

/* ─── Pilot CTA dark section ─── */
.pilot-cta {
    background: var(--color-text);
    color: white;
    text-align: center;
}

.pilot-cta h2 {
    color: white;
    font-size: 2.5rem;
}

.pilot-cta .section-subtitle {
    color: rgba(255,255,255,0.7);
    margin-bottom: 2rem;
}

.pilot-cta p.body-text {
    color: rgba(255,255,255,0.75);
    font-size: 1.0625rem;
    line-height: 1.75;
    max-width: 720px;
    margin: 0 auto 2.5rem;
}

.pilot-cta .btn-row {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

.pilot-cta .btn-primary {
    background: var(--color-ee);
    box-shadow: 0 4px 20px rgba(14, 158, 110, 0.35);
}

.pilot-cta .btn-secondary {
    background: transparent;
    color: white;
    border-color: rgba(255,255,255,0.3);
}

.pilot-cta .btn-secondary:hover {
    border-color: white;
    color: white;
    background: rgba(255,255,255,0.08);
}

/* ─── Form / inquiry placeholder ─── */
.form-placeholder {
    max-width: 720px;
    margin: 0 auto;
    background: white;
    border: 1.5px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: 3rem 2.5rem;
    text-align: center;
}

.form-placeholder h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.form-placeholder p {
    color: var(--color-text-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1rem;
}

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

/* ─── Site forms ─── */
.site-form {
    max-width: 640px;
    margin: 0 auto;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
}

.form-field {
    margin-bottom: 1.5rem;
}

.form-field label,
.form-field legend {
    display: block;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.5rem;
}

.form-optional {
    font-weight: 400;
    color: var(--color-text-muted);
}

.form-field input[type="text"],
.form-field input[type="email"],
.form-field select,
.form-field textarea {
    display: block;
    width: 100%;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--color-text);
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    padding: 0.75rem 0.875rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-field select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%235a7060' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.875rem center;
    padding-right: 2.5rem;
}

.form-field textarea {
    resize: vertical;
    min-height: 9rem;
    line-height: 1.6;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--color-ee);
    box-shadow: 0 0 0 3px var(--color-ee-light);
}

.form-radio-group {
    border: none;
    padding: 0;
    margin: 0 0 1.5rem;
    min-width: 0;
}

.form-radio-group legend {
    padding: 0;
}

.form-radio-group .form-radio {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 400;
    margin-bottom: 0.5rem;
    cursor: pointer;
}

.form-radio-group .form-radio:last-child {
    margin-bottom: 0;
}

.form-radio input[type="radio"] {
    width: 1.125rem;
    height: 1.125rem;
    accent-color: var(--color-ee);
    margin: 0;
}

.form-radio input[type="radio"]:focus-visible {
    outline: 2px solid var(--color-ee);
    outline-offset: 2px;
}

.form-actions {
    margin-top: 2rem;
}

.form-actions .btn {
    width: 100%;
}

.form-actions .btn:disabled {
    opacity: 0.7;
    cursor: wait;
    transform: none;
}

.form-status {
    color: #b42318;
    font-size: 0.9375rem;
    margin-top: 1rem;
    text-align: center;
}

.form-status:empty {
    display: none;
}

.form-alt {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 1rem;
    margin-top: 1.5rem;
}

.form-alt a {
    color: var(--color-ee);
    font-weight: 600;
}

.form-alt a:hover {
    color: var(--color-ee-dark);
}

.form-success {
    max-width: 640px;
    margin: 0 auto;
    background: var(--color-ee-light);
    border: 1px solid var(--color-ee);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    text-align: center;
    color: var(--color-text);
    font-size: 1.0625rem;
    line-height: 1.7;
}

.form-hp {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* ─── Contact methods ─── */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto 3rem;
}

.contact-card {
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.contact-card:hover {
    border-color: var(--color-ee);
    box-shadow: 0 4px 16px rgba(14, 158, 110, 0.08);
}

.contact-card h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-ee);
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

.contact-card a {
    color: var(--color-ee);
    font-weight: 600;
}

.contact-card a:hover {
    color: var(--color-ee-dark);
}

.community-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.community-grid .contact-card .btn {
    display: inline-block;
    margin-top: 0.25rem;
}

/* ─── Footer ─── */
footer {
    background: var(--color-footer-bg);
    color: white;
    padding: 4rem 2rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto 3rem;
}

.footer-col h4 {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #ffffff;
}

.footer-brand p {
    color: var(--color-footer-text);
    line-height: 1.7;
    font-size: 0.9375rem;
    margin-top: 0.75rem;
}

.footer-brand .footer-logo {
    display: inline-block;
}

.footer-brand .footer-logo img {
    display: block;
    height: 36px;
    width: auto;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.625rem;
}

.footer-col a {
    color: var(--color-footer-text);
    transition: color 0.2s;
    font-size: 0.9375rem;
}

.footer-col a:hover,
.footer-col a:focus {
    color: #ffffff;
    outline: none;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: var(--color-footer-muted);
    font-size: 0.875rem;
    max-width: 1200px;
    margin: 0 auto;
}

/* ─── Responsive ─── */
@media (max-width: 960px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 2rem;
    }
}

@media (max-width: 900px) {
    .nav-logo img {
        height: 32px;
    }

    .hero { padding: 6rem 2rem 4rem; }

    .hero-split .container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .feature-strip .container {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }

    .hero-content h1 { font-size: 2.25rem; }
    .hero-centered h1 { font-size: 2rem; }

    .grid-3,
    .grid-2,
    .cap-grid,
    .steps-compact,
    .contact-methods,
    .community-grid {
        grid-template-columns: 1fr;
    }

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

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 1rem 2rem 1.5rem;
        border-bottom: 1px solid var(--color-border);
        box-shadow: 0 8px 24px rgba(0,0,0,0.05);
    }

    .nav.is-open .nav-links {
        display: flex;
    }

    .nav-links li {
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links li:last-child {
        border-bottom: none;
        margin-top: 0.5rem;
    }

    .nav-links a {
        display: block;
        padding: 0.875rem 0;
        font-size: 1rem;
    }

    .nav-links a.nav-cta {
        text-align: center;
        padding: 0.75rem 1.25rem;
        margin-top: 0.5rem;
    }

    .nav-toggle {
        display: block;
    }
}

@media (max-width: 640px) {
    .container { padding: 0 1.25rem; }
    .hero { padding: 5rem 1.5rem 3.5rem; }
    section { padding: 3.5rem 1.25rem; }
    section h2 { font-size: 1.75rem; }
    .hero-content h1 { font-size: 1.875rem; }
    .hero-centered h1 { font-size: 1.75rem; }
    .pilot-cta h2 { font-size: 1.875rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .step { grid-template-columns: 1fr; gap: 0.75rem; }
    .hero-card { padding: 1.75rem; }
    .site-form { padding: 1.75rem 1.25rem; }
    .form-success { padding: 1.75rem 1.25rem; }
    .diff-card { padding: 1.75rem; }
    .team-card { padding: 1.75rem; }
    .form-placeholder { padding: 2rem 1.5rem; }
}

/* ─── Skip-link / a11y ─── */
.skip-link {
    position: absolute;
    left: -9999px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.skip-link:focus {
    position: fixed;
    top: 1rem;
    left: 1rem;
    width: auto;
    height: auto;
    padding: 0.75rem 1rem;
    background: var(--color-ee);
    color: white;
    border-radius: var(--radius);
    z-index: 2000;
}