:root {
  --navy: #061b3b;
  --navy-2: #0a2853;
  --blue: #087cff;
  --sky: #5fb0ff;
  --ink: #10213e;
  --muted: #687890;
  --line: #dce5f0;
  --paper: #f4f8fc;
  --white: #ffffff;
  --success: #087a52;
  --success-bg: #e4f6ef;
  --shadow: 0 18px 45px rgba(7, 31, 68, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, Sora, "Segoe UI", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }

.site-header {
  height: 86px;
  padding: 0 max(20px, calc((100vw - 1180px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--navy);
  color: white;
  border-bottom: 1px solid rgba(255,255,255,.12);
}
.brand { display: flex; align-items: center; gap: 14px; color: white; text-decoration: none; }
.brand img { width: 48px; height: 48px; object-fit: contain; }
.brand span { display: grid; line-height: 1.1; }
.brand strong { font-size: 15px; letter-spacing: .25px; }
.brand small { margin-top: 5px; color: #b8cae5; font-size: 11px; letter-spacing: .5px; text-transform: uppercase; }
.private-label { padding: 8px 11px; border: 1px solid rgba(255,255,255,.25); border-radius: 100px; color: #cfe1fb; font-size: 10px; font-weight: 800; letter-spacing: 1.1px; }

.hero { padding: 90px 0 68px; }
.eyebrow, .campaign-kicker { margin: 0 0 15px; color: var(--blue); font-size: 12px; font-weight: 800; letter-spacing: 1.15px; }
.hero h1 { margin: 0; color: var(--navy); font-size: clamp(44px, 7vw, 78px); line-height: .98; letter-spacing: -2px; }
.hero h1 span { color: var(--blue); }
.hero-copy { max-width: 660px; margin: 28px 0 0; color: var(--muted); font-size: 18px; line-height: 1.7; }
.campaign-section { padding-bottom: 90px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.section-heading h2 { margin: 0; font-size: 28px; color: var(--navy); }
.count { color: var(--muted); font-size: 13px; font-weight: 700; }
.campaign-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; padding-top: 28px; }
.campaign-card { overflow: hidden; background: white; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 7px 25px rgba(7,31,68,.06); transition: transform .2s ease, box-shadow .2s ease; }
.campaign-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.campaign-thumb { position: relative; aspect-ratio: 16/11; overflow: hidden; background: #dbe8f7; }
.campaign-thumb img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.campaign-thumb .status-badge { position: absolute; top: 14px; right: 14px; }
.campaign-body { padding: 20px; }
.campaign-number { margin: 0 0 10px; color: var(--blue); font-size: 11px; font-weight: 850; letter-spacing: 1px; }
.campaign-card h3 { margin: 0; color: var(--navy); font-size: 19px; line-height: 1.3; }
.campaign-card p { margin: 10px 0 18px; color: var(--muted); font-size: 13px; line-height: 1.55; }
.open-review { display: inline-flex; align-items: center; gap: 8px; color: var(--blue); font-size: 13px; font-weight: 800; text-decoration: none; }

.status-badge { display: inline-flex; width: fit-content; padding: 8px 11px; border-radius: 100px; background: var(--success-bg); color: var(--success); font-size: 10px; font-weight: 850; letter-spacing: .8px; text-transform: uppercase; white-space: nowrap; }
.status-badge.review { color: #875400; background: #fff2cd; }
.status-badge.changes { color: #a02d34; background: #ffe7e8; }

.review-shell { padding: 42px 0 80px; }
.back-link { color: var(--blue); font-size: 13px; font-weight: 750; text-decoration: none; }
.review-heading { display: flex; justify-content: space-between; gap: 28px; align-items: end; margin: 34px 0 30px; }
.review-heading h1 { max-width: 760px; margin: 0; color: var(--navy); font-size: clamp(34px, 5vw, 54px); line-height: 1.02; letter-spacing: -1.3px; }
.campaign-meta { margin: 13px 0 0; color: var(--muted); font-size: 13px; }
.review-layout { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(310px, .8fr); gap: 28px; align-items: start; }
.viewer-card, .details-card { background: white; border: 1px solid var(--line); border-radius: 20px; box-shadow: var(--shadow); }
.viewer-card { overflow: hidden; }
.viewer-stage { min-height: 640px; position: relative; display: grid; place-items: center; background: #07172f; }
.preview-button { height: 640px; max-width: calc(100% - 120px); padding: 0; border: 0; background: transparent; cursor: zoom-in; }
.current-slide { display: block; height: 100%; max-width: 100%; object-fit: contain; box-shadow: 0 12px 45px rgba(0,0,0,.36); }
.nav-button, .icon-button { display: grid; place-items: center; border: 0; border-radius: 50%; cursor: pointer; }
.nav-button { z-index: 2; position: absolute; top: 50%; width: 42px; height: 42px; transform: translateY(-50%); color: white; background: rgba(255,255,255,.13); backdrop-filter: blur(8px); }
.nav-button:hover { background: var(--blue); }
.previous { left: 20px; }
.next { right: 20px; }
.viewer-footer { min-height: 72px; padding: 16px 20px; display: grid; grid-template-columns: 100px 1fr 120px; align-items: center; gap: 15px; }
.slide-counter { color: var(--muted); font-size: 12px; font-weight: 750; }
.dots { display: flex; justify-content: center; gap: 7px; }
.dot { width: 8px; height: 8px; padding: 0; border: 0; border-radius: 50%; background: #c8d4e3; cursor: pointer; }
.dot.active { width: 22px; border-radius: 100px; background: var(--blue); }
.download-link { color: var(--blue); font-size: 12px; font-weight: 800; text-align: right; text-decoration: none; }
.details-card { padding: 26px; }
.detail-block + .detail-block { margin-top: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.detail-block > p:last-child { margin: 0; color: var(--ink); font-size: 14px; line-height: 1.65; white-space: pre-line; }
.compact-details { display: grid; gap: 12px; }
.compact-row { display: flex; justify-content: space-between; gap: 16px; font-size: 12px; }
.compact-row span:first-child { color: var(--muted); }
.compact-row span:last-child { color: var(--navy); font-weight: 750; text-align: right; }
.approval-actions { display: grid; gap: 10px; margin-top: 26px; }
.primary-action, .secondary-action { min-height: 48px; padding: 12px 16px; border-radius: 10px; font-weight: 800; cursor: pointer; }
.primary-action { color: white; background: var(--blue); border: 1px solid var(--blue); }
.secondary-action { color: var(--navy); background: white; border: 1px solid var(--line); }
.copy-feedback { min-height: 18px; margin: 3px 0 0; color: var(--success); font-size: 11px; text-align: center; }

.lightbox { width: min(92vw, 880px); max-height: 94vh; padding: 18px; border: 0; border-radius: 16px; background: #07172f; box-shadow: 0 30px 90px rgba(0,0,0,.5); }
.lightbox::backdrop { background: rgba(1,9,22,.86); }
.lightbox img { display: block; width: 100%; max-height: calc(94vh - 36px); object-fit: contain; }
.close-lightbox { z-index: 2; position: absolute; top: 13px; right: 13px; width: 38px; height: 38px; color: white; background: rgba(0,0,0,.6); font-size: 26px; }
.site-footer { min-height: 82px; padding-block: 24px; display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.loading, .empty-state { min-height: 55vh; display: grid; place-items: center; color: var(--muted); }

@media (max-width: 900px) {
  .campaign-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .review-layout { grid-template-columns: 1fr; }
  .viewer-stage { min-height: 600px; }
  .preview-button { height: 600px; }
}
@media (max-width: 620px) {
  .shell { width: min(100% - 24px, 1180px); }
  .site-header { height: 72px; padding-inline: 14px; }
  .brand img { width: 40px; height: 40px; }
  .brand strong { font-size: 13px; }
  .private-label { display: none; }
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 43px; letter-spacing: -1.4px; }
  .hero-copy { font-size: 16px; }
  .campaign-grid { grid-template-columns: 1fr; }
  .review-shell { padding-top: 28px; }
  .review-heading { display: grid; align-items: start; margin-top: 28px; }
  .review-heading h1 { font-size: 36px; }
  .viewer-stage { min-height: 525px; }
  .preview-button { height: 525px; max-width: calc(100% - 64px); }
  .nav-button { width: 36px; height: 36px; }
  .previous { left: 10px; }
  .next { right: 10px; }
  .viewer-footer { grid-template-columns: 1fr auto; }
  .dots { grid-row: 2; grid-column: 1 / -1; }
  .download-link { grid-column: 2; grid-row: 1; }
  .site-footer { display: grid; gap: 7px; }
}