:root {
  --swn-red: #c8141e;
  --swn-dark: #151515;
  --swn-deep: #22070a;
  --swn-soft: #fff5f5;
  --swn-border: #ead6d6;
  --text: #171717;
  --muted: #606060;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: #ffffff; color: var(--text); }
a { color: inherit; }
.swn-ad-page { width: 100%; overflow-x: hidden; }
.hero { position: relative; min-height: 520px; display: flex; align-items: center; overflow: hidden; background: var(--swn-dark); }
.hero-media { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(18,0,0,.97) 0%, rgba(18,0,0,.82) 38%, rgba(18,0,0,.38) 70%, rgba(18,0,0,.18) 100%), url('assets/swn-advertise-hero.jpg') center/cover no-repeat; transform: scale(1.02); }
.hero-overlay { position: absolute; inset: 0; background: radial-gradient(circle at 22% 34%, rgba(200,20,30,.48), transparent 42%); }
.hero-content { position: relative; z-index: 2; max-width: 1040px; padding: 70px 24px; margin: 0 auto; width: 100%; color: white; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 12px; font-weight: 800; margin: 0 0 12px; color: #ffd2d2; }
.eyebrow.red { color: var(--swn-red); }
h1 { font-size: clamp(38px, 6vw, 72px); line-height: .98; margin: 0 0 20px; max-width: 820px; text-shadow: 0 6px 22px rgba(0,0,0,.48); }
h2 { font-size: clamp(28px, 4vw, 44px); line-height: 1.08; margin: 0 0 16px; }
h3 { font-size: 21px; line-height: 1.25; margin: 0 0 10px; }
p { font-size: 16px; line-height: 1.72; margin: 0; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.btn { display: inline-flex; align-items: center; justify-content: center; border-radius: 999px; padding: 14px 22px; font-weight: 800; text-decoration: none; border: 1px solid transparent; cursor: pointer; font-size: 15px; }
.btn.primary, .btn.submit { background: var(--swn-red); color: white; box-shadow: 0 12px 24px rgba(200,20,30,.28); }
.btn.ghost { color: white; border-color: rgba(255,255,255,.42); background: rgba(255,255,255,.08); }
.audience-line { max-width: 1040px; margin: -38px auto 0; position: relative; z-index: 4; background: #ffffff; border: 1px solid var(--swn-border); border-left: 6px solid var(--swn-red); border-radius: 20px; box-shadow: 0 18px 45px rgba(0,0,0,.14); padding: 22px 26px; }
.audience-line p { font-size: 19px; line-height: 1.6; font-weight: 800; color: var(--swn-dark); }
.trust-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; max-width: 1040px; margin: 22px auto 0; position: relative; z-index: 3; background: white; border-radius: 22px; box-shadow: 0 20px 50px rgba(0,0,0,.10); overflow: hidden; border: 1px solid var(--swn-border); }
.trust-strip div { padding: 22px 24px; border-right: 1px solid var(--swn-border); }
.trust-strip div:last-child { border-right: 0; }
.trust-strip strong { display: block; font-size: 18px; margin-bottom: 6px; }
.trust-strip span { color: var(--muted); font-size: 14px; line-height: 1.5; }
.section { max-width: 1040px; margin: 0 auto; padding: 70px 24px 0; }
.intro-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 22px; }
.text-card { border: 1px solid var(--swn-border); border-radius: 22px; padding: 30px; background: white; }
.text-card.dark { background: linear-gradient(135deg, #2b090d, #141414); color: white; border: 0; }
.text-card.dark p:not(.eyebrow) { color: rgba(255,255,255,.86); }
ul { margin: 0; padding-left: 18px; }
li { margin-bottom: 12px; line-height: 1.55; }
.section-heading { text-align: center; max-width: 760px; margin: 0 auto 26px; }
.section-heading.left { text-align: left; margin-left: 0; }
.steps, .cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.steps article, .cards article { background: #fff; border: 1px solid var(--swn-border); border-radius: 20px; padding: 22px; }
.steps span { display: inline-flex; width: 42px; height: 42px; border-radius: 50%; align-items: center; justify-content: center; background: var(--swn-soft); color: var(--swn-red); font-weight: 900; margin-bottom: 18px; }
.formats { background: linear-gradient(180deg, transparent 0%, #fff7f7 100%); max-width: none; padding-left: 0; padding-right: 0; }
.formats .section-heading, .formats .cards { max-width: 1040px; margin-left: auto; margin-right: auto; padding-left: 24px; padding-right: 24px; }
.case-study { display: grid; grid-template-columns: 1fr 1fr; gap: 26px; align-items: center; }
.case-points { background: var(--swn-soft); border: 1px solid var(--swn-border); border-radius: 22px; padding: 26px; }
.case-points p { margin-bottom: 14px; }
.case-points p:last-child { margin-bottom: 0; }
.enquiry { padding-bottom: 70px; }
.enquiry-form { background: white; border: 1px solid var(--swn-border); box-shadow: 0 16px 48px rgba(40,0,0,.08); border-radius: 24px; padding: 28px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: block; font-weight: 800; font-size: 14px; margin-bottom: 16px; }
input, select, textarea { width: 100%; margin-top: 8px; border: 1px solid #dcc9c9; background: #fff; border-radius: 14px; padding: 14px 14px; font-size: 15px; font-family: inherit; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--swn-red); box-shadow: 0 0 0 4px rgba(200,20,30,.12); }
.form-note { margin-top: 14px; font-size: 13px; color: var(--muted); }

@media (max-width: 800px) {
  .hero { min-height: 560px; }
  .hero-content { padding: 54px 18px; }
  .hero-media { background-position: 62% center; }
  .audience-line { margin: -30px 16px 0; padding: 18px; border-radius: 16px; }
  .audience-line p { font-size: 16px; line-height: 1.55; }
  .trust-strip { grid-template-columns: 1fr; margin: 16px 16px 0; border-radius: 18px; }
  .trust-strip div { border-right: 0; border-bottom: 1px solid var(--swn-border); padding: 18px; }
  .trust-strip div:last-child { border-bottom: 0; }
  .section { padding: 50px 18px 0; }
  .intro-grid, .case-study, .field-row { grid-template-columns: 1fr; }
  .steps, .cards { grid-template-columns: 1fr; gap: 12px; }
  .text-card, .enquiry-form { padding: 22px; border-radius: 18px; }
  h1 { font-size: 42px; }
  h2 { font-size: 30px; }
  .hero-actions .btn { width: 100%; }
}