:root {
  --bg: #fdfbf7;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --ink-soft: #263448;
  --muted: #475569;
  --primary: #2563eb;
  --primary-deep: #1d4ed8;
  --accent: #f97316;
  --accent-deep: #c2410c;
  --line: #e2e8f0;
  --success: #059669;
  --error: #b91c1c;
  --shadow: 0 18px 50px rgba(15, 23, 42, .08);
  --radius: 18px;
  --container: 1180px;
  --space: clamp(4.5rem, 9vw, 8rem);
  --font-heading: "Be Vietnam Pro", "Segoe UI", Arial, sans-serif;
  --font-body: "Noto Sans", "Segoe UI", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body); font-size: 16px; line-height: 1.7; }
img { display: block; max-width: 100%; height: auto; }
a { color: var(--primary-deep); text-decoration-thickness: .08em; text-underline-offset: .18em; }
a:hover { color: var(--accent-deep); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 4px solid rgba(37, 99, 235, .32); outline-offset: 3px; }
button, a { cursor: pointer; }
h1, h2, h3, p, dl, ol, figure { margin-top: 0; }
h1, h2, h3 { font-family: var(--font-heading); letter-spacing: -.03em; line-height: 1.13; }
h1 { font-size: clamp(2.7rem, 5vw, 4.5rem); max-width: 760px; margin-bottom: 1.5rem; }
h2 { font-size: clamp(2.1rem, 4vw, 3.7rem); margin-bottom: 1.15rem; }
h3 { font-size: clamp(1.25rem, 2vw, 1.55rem); margin-bottom: .55rem; }
p { max-width: 68ch; }
.container { width: min(var(--container), calc(100% - 2.5rem)); margin-inline: auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; top: .75rem; left: .75rem; transform: translateY(-180%); z-index: 100; padding: .75rem 1rem; background: var(--ink); color: white; border-radius: 8px; }
.skip-link:focus { transform: translateY(0); color: white; }

.site-header { position: sticky; top: 0; z-index: 20; background: rgba(253, 251, 247, .96); border-bottom: 1px solid var(--line); backdrop-filter: blur(12px); }
.header-inner { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 2rem; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; text-decoration: none; }
.brand img { width: 176px; height: auto; }
.main-menu { display: flex; align-items: center; justify-content: flex-end; gap: clamp(1rem, 2.2vw, 2.3rem); }
.main-menu a { color: var(--ink-soft); font-weight: 650; font-size: .94rem; text-decoration: none; }
.main-menu a:hover { color: var(--primary-deep); }
.main-menu .menu-cta { padding: .68rem 1rem; border: 1px solid var(--ink); border-radius: 999px; color: var(--ink); }
.main-menu .menu-cta:hover { background: var(--ink); color: white; }
.menu-toggle { display: none; border: 1px solid var(--line); background: var(--surface); border-radius: 10px; width: 46px; height: 46px; padding: .7rem; }
.menu-close-label { display: none; }
.menu-toggle[aria-expanded="true"] .menu-open-label { display: none; }
.menu-toggle[aria-expanded="true"] .menu-close-label { display: inline; }
.menu-icon { display: grid; gap: 4px; }
.menu-icon span { width: 22px; height: 2px; display: block; background: var(--ink); transition: transform .2s ease, opacity .2s ease; }

.hero-section { padding: clamp(4.5rem, 9vw, 8rem) 0 clamp(5rem, 10vw, 9rem); border-bottom: 1px solid var(--line); background: linear-gradient(140deg, rgba(37, 99, 235, .05), transparent 42%, rgba(249, 115, 22, .035)); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: clamp(3rem, 7vw, 7rem); align-items: center; }
.hero-kicker, .section-label { color: var(--primary-deep); font-weight: 750; letter-spacing: .01em; font-size: .92rem; margin-bottom: 1.3rem; }
.hero-collaboration { max-width: 60ch; margin-bottom: 1.15rem; color: var(--ink-soft); font-size: .96rem; }
.hero-lead { color: var(--muted); font-size: clamp(1.08rem, 1.8vw, 1.28rem); max-width: 62ch; margin-bottom: 2rem; }
.hero-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 1.25rem; margin-bottom: 3.1rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .75rem 1.2rem; border-radius: 999px; border: 1px solid transparent; font-weight: 750; font-family: inherit; text-decoration: none; transition: transform .2s ease, background-color .2s ease, color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--accent-deep); color: white; }
.button-primary:hover { background: #9a3412; color: white; }
.text-link { font-weight: 750; text-decoration: none; }
.text-link span, .card-link span { display: inline-block; margin-left: .35rem; transition: transform .2s ease; }
.text-link:hover span, .card-link:hover span { transform: translate(3px, -2px); }
.hero-facts { display: flex; gap: clamp(1.25rem, 4vw, 3rem); margin: 0; }
.hero-facts div { display: grid; gap: .1rem; }
.hero-facts dt { color: var(--accent-deep); font-family: var(--font-heading); font-size: .82rem; font-weight: 800; }
.hero-facts dd { margin: 0; color: var(--muted); font-size: .9rem; }
.media-frame { position: relative; margin: 0; overflow: hidden; background: #e9eef4; }
.media-frame img { width: 100%; aspect-ratio: 3 / 2; object-fit: cover; }
.hero-media { border-radius: var(--radius); box-shadow: var(--shadow); transform: rotate(1.5deg); }
.hero-media img { aspect-ratio: 4 / 3; }
.hero-media figcaption { position: absolute; left: 1rem; right: 1rem; bottom: 1rem; max-width: 30ch; padding: .55rem .75rem; background: rgba(255, 255, 255, .92); color: var(--ink-soft); font-size: .78rem; line-height: 1.4; }
.image-mark { position: absolute; right: .65rem; bottom: .55rem; color: rgba(255,255,255,.92); background: rgba(15, 23, 42, .45); padding: .12rem .38rem; border-radius: 4px; font-size: .66rem; letter-spacing: .04em; }

.intro-section, .process-section, .toolkit-section, .journal-section, .evidence-section, .collab-section, .partner-section, .sponsor-section { padding: var(--space) 0; scroll-margin-top: 6rem; }
.section-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 8vw, 8rem); align-items: start; }
.section-grid-reverse { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); }
.section-heading h2 { max-width: 18ch; }
.section-body { padding-top: .35rem; color: var(--muted); font-size: 1.08rem; }
.section-body p + p { margin-top: 1.15rem; }
.section-note { color: var(--muted); max-width: 34ch; }
.image-row { display: grid; gap: 1.25rem; margin-top: 3.5rem; }
.image-row-three { grid-template-columns: repeat(3, 1fr); }
.image-row-two { grid-template-columns: repeat(2, 1fr); }
.image-row .media-frame { border-radius: 12px; }

.process-section { background: var(--surface); border-block: 1px solid var(--line); }
.process-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.4rem; }
.process-list li { display: grid; grid-template-columns: 1fr; gap: 1rem; padding-bottom: 1.35rem; border-bottom: 1px solid var(--line); }
.process-list li:last-child { border-bottom: 0; }
.process-list li > span { color: var(--accent-deep); font-family: var(--font-heading); font-weight: 800; padding-top: .1rem; }
.process-list h3 { margin-bottom: .25rem; }
.process-list p { color: var(--muted); margin-bottom: 0; }
.feature-split { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(260px, .9fr); gap: clamp(2rem, 6vw, 6rem); margin-top: 5rem; align-items: center; }
.feature-split .media-frame { border-radius: 14px; }
.feature-copy { max-width: 40ch; }
.feature-copy p:not(.section-label) { color: var(--muted); }

.toolkit-section { background: #eef4fb; }
.centered-heading { text-align: center; max-width: 720px; }
.centered-heading h2 { max-width: 20ch; margin-inline: auto; }
.centered-heading > p:last-child { color: var(--muted); margin-inline: auto; }
.toolkit-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); margin-top: 3rem; }
.tool-card { background: var(--surface); padding: clamp(1.5rem, 3vw, 2.3rem); min-height: 270px; display: flex; flex-direction: column; }
.tool-card p { color: var(--muted); margin-bottom: 1.5rem; }
.card-link { font-weight: 750; text-decoration: none; margin-top: auto; }

.journal-section { border-bottom: 1px solid var(--line); }
.story-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr); gap: 1.5rem; margin-top: 3rem; }
.story-card, .story-mini { background: var(--surface); border: 1px solid var(--line); }
.story-card-featured { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); }
.story-card-featured .media-frame img { height: 100%; aspect-ratio: auto; }
.story-content { padding: clamp(1.35rem, 3vw, 2.4rem); display: flex; flex-direction: column; justify-content: center; }
.story-meta { color: var(--primary-deep); font-size: .78rem; font-weight: 750; letter-spacing: .05em; text-transform: uppercase; }
.story-content p:not(.story-meta) { color: var(--muted); }
.story-stack { display: grid; gap: 1.5rem; }
.story-mini { display: grid; grid-template-columns: 150px minmax(0, 1fr); }
.story-mini .media-frame img { height: 100%; aspect-ratio: 1 / 1; }
.story-mini > div { padding: 1.2rem; }
.story-mini h3 { font-size: 1.1rem; }
.story-mini .story-meta { margin-bottom: .45rem; }

.evidence-section { background: var(--ink); color: white; }
.evidence-grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 8vw, 8rem); }
.evidence-section .section-label { color: #93c5fd; }
.evidence-section h2 { max-width: 16ch; }
.evidence-section h3 { color: #bfdbfe; }
.evidence-media { max-width: 330px; margin-top: 1.25rem; border-radius: 12px; }
.evidence-section p { color: #dbe4f0; }

.collab-section { background: #f3f0e9; }
.collab-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(320px, .75fr); gap: clamp(2.5rem, 8vw, 8rem); align-items: start; }
.collab-copy > p:not(.section-label):not(.form-note) { color: var(--muted); }
.form-note { color: var(--muted); font-size: .83rem; line-height: 1.55; }
.collab-images { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; margin-top: 2rem; }
.collab-images .media-frame { border-radius: 12px; }
.contact-form { background: var(--surface); border: 1px solid var(--line); padding: clamp(1.4rem, 4vw, 2.5rem); box-shadow: 0 10px 30px rgba(15, 23, 42, .05); }
.field { display: grid; gap: .45rem; margin-bottom: 1.35rem; }
.field label { font-weight: 750; color: var(--ink-soft); }
.field label span { color: var(--accent-deep); }
.field input, .field textarea { width: 100%; border: 1px solid #b8c4d2; border-radius: 8px; background: white; color: var(--ink); font: inherit; padding: .8rem .9rem; }
.field textarea { resize: vertical; min-height: 10rem; }
.contact-form .button { width: 100%; }

.partner-section { background: var(--surface); border-top: 1px solid var(--line); }
.partner-intro { max-width: 68ch; color: var(--muted); }
.partner-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; margin-top: 3rem; background: var(--line); border: 1px solid var(--line); }
.partner-entry { background: var(--surface); padding: 1.6rem; }
.partner-entry h5 { margin: 0 0 .65rem; font: 750 1.05rem/1.35 var(--font-heading); letter-spacing: -.015em; }
.partner-entry p { color: var(--muted); margin-bottom: .65rem; }
.partner-backlink { color: var(--primary-deep); }
.sponsor-section { background: #fff7f1; border-top: 1px solid #f3d8c5; }
.sponsor-layout { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.sponsor-identity { position: sticky; top: 7rem; }
.sponsor-identity img { width: min(100%, 260px); height: auto; margin: 1rem 0 1.2rem; }
.sponsor-label { display: inline-flex; align-items: center; gap: .45rem; color: var(--accent-deep); font-size: .8rem; font-weight: 800; letter-spacing: .04em; text-transform: uppercase; }
.sponsor-info { display: inline-flex; align-items: center; justify-content: center; width: 1.25rem; height: 1.25rem; border: 1px solid currentColor; border-radius: 50%; font-size: .75rem; font-style: normal; text-transform: none; }
.sponsor-copy { color: var(--ink-soft); }
.sponsor-copy p { margin-bottom: 1rem; }
.sponsor-copy h4, .sponsor-copy h5 { font-family: var(--font-heading); line-height: 1.25; letter-spacing: -.02em; }
.sponsor-copy h4 { font-size: clamp(1.5rem, 2.5vw, 2.15rem); margin: 0 0 1.1rem; }
.sponsor-copy h5 { font-size: 1.1rem; margin: 1.7rem 0 .65rem; }
.sponsor-backlink, .sponsor-copy a { color: var(--primary-deep); font-weight: 750; }
.sponsor-disclosure { color: var(--muted); font-size: .85rem; border-left: 3px solid var(--accent); padding-left: .9rem; margin-top: 1.3rem; }

.site-footer { background: #0d1726; color: #dbe4f0; padding: 4rem 0 1.5rem; }
.footer-grid { display: grid; grid-template-columns: 1.3fr .7fr .7fr; gap: 3rem; }
.footer-brand { display: inline-flex; margin-bottom: 1rem; }
.footer-brand img { width: 148px; height: auto; filter: brightness(0) invert(1); opacity: .95; }
.site-footer p { color: #9fb0c4; max-width: 34ch; }
.site-footer a { display: block; color: #dbe4f0; text-decoration: none; margin-bottom: .55rem; }
.site-footer a:hover { color: white; }
.footer-title { font-size: .85rem; letter-spacing: .06em; color: #93c5fd; margin-bottom: 1rem; }
.footer-tool-pr { margin-top: 2.5rem; padding: 1.35rem 0 0; border-top: 1px solid rgba(219, 228, 240, .18); }
.footer-tool-pr h3 { color: #f8fafc; font-size: 1.15rem; margin-bottom: .45rem; }
.footer-tool-pr p { max-width: 78ch; color: #b8c7d8; margin-bottom: 0; }
.footer-tool-pr a { display: inline; color: #bfdbfe; font-weight: 750; }
.field input:invalid:not(:placeholder-shown), .field textarea:invalid:not(:placeholder-shown) { border-color: var(--error); box-shadow: 0 0 0 3px rgba(185, 28, 28, .12); }
.field input:valid:not(:placeholder-shown), .field textarea:valid:not(:placeholder-shown) { border-color: var(--success); }
.footer-bottom { display: flex; justify-content: space-between; gap: 2rem; border-top: 1px solid rgba(219, 228, 240, .18); margin-top: 3rem; padding-top: 1rem; font-size: .8rem; }
.footer-bottom p { margin: 0; max-width: none; }

@media (max-width: 1040px) {
  .main-menu { gap: 1rem; }
  .hero-grid { gap: 3rem; }
  .section-grid, .section-grid-reverse, .evidence-grid { gap: 3rem; }
}

@media (max-width: 820px) {
  .container { width: min(var(--container), calc(100% - 2rem)); }
  .header-inner { min-height: 72px; }
  .menu-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .main-menu { position: absolute; inset: 72px 1rem auto; display: grid; gap: 0; padding: .5rem; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); opacity: 0; visibility: hidden; pointer-events: none; transform: translateY(-8px); transition: opacity .2s ease, visibility .2s ease, transform .2s ease; }
  .main-menu.is-open { opacity: 1; pointer-events: auto; transform: translateY(0); }
  .main-menu.is-open { visibility: visible; }
  .main-menu a { padding: .8rem .85rem; border-radius: 8px; }
  .main-menu a:hover { background: #eff6ff; }
  .main-menu .menu-cta { border: 0; border-radius: 8px; }
  .hero-grid, .section-grid, .section-grid-reverse, .feature-split, .story-grid, .collab-grid, .evidence-grid { grid-template-columns: 1fr; }
  .partner-list { grid-template-columns: 1fr; }
  .sponsor-layout { grid-template-columns: 1fr; }
  .sponsor-identity { position: static; }
  .hero-copy { order: 1; }
  .hero-media { order: 2; max-width: 680px; }
  .section-heading h2, .evidence-section h2 { max-width: 24ch; }
  .image-row-three { grid-template-columns: repeat(3, 1fr); }
  .story-card-featured { grid-template-columns: 1fr; }
  .story-card-featured .media-frame img { aspect-ratio: 16 / 9; }
  .feature-copy { max-width: 58ch; }
}

@media (max-width: 560px) {
  body { font-size: 15px; }
  h1 { font-size: clamp(2.2rem, 11vw, 3.2rem); }
  h2 { font-size: clamp(2rem, 10vw, 2.8rem); }
  .hero-section { padding-top: 3.5rem; }
  .field input, .field textarea { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: .9rem; }
  .hero-facts { gap: 1rem; flex-wrap: wrap; }
  .image-row-three, .image-row-two, .toolkit-grid, .collab-images { grid-template-columns: 1fr; }
  .toolkit-grid { gap: 0; }
  .tool-card { min-height: auto; border-bottom: 1px solid var(--line); }
  .tool-card:last-child { border-bottom: 0; }
  .story-mini { grid-template-columns: 110px minmax(0, 1fr); }
  .story-mini > div { padding: .9rem; }
  .story-mini h3 { font-size: 1rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem 1.5rem; }
  .footer-grid > div:first-child { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: .35rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}