/* redtubeno.com, skeleton P3: real screenshot as the hero backdrop with a dark
   top and left wash, three short proof cards, two small shots, dense 4 column
   footer. Palette: coal #0d0f12, paper #f2f3f5, accent #ff5a1f. */

@font-face {
  font-family: "Oswald";
  src: url("/assets/fonts/oswald-latin.woff2") format("woff2");
  font-weight: 400 700; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Oswald";
  src: url("/assets/fonts/oswald-latin-ext.woff2") format("woff2");
  font-weight: 400 700; font-style: normal; font-display: swap;
  unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20CF;
}
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/inter-latin-var.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
}
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/inter-latin-ext.woff2") format("woff2");
  font-weight: 100 900; font-style: normal; font-display: swap;
  unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20CF;
}

:root {
  --bg: #0d0f12;
  --ink: #f2f3f5;
  --muted: #a3aab5;
  --line: #272c34;
  --card: #14171c;
  --accent: #ff5a1f;
  --accent-ink: #141414;
  --accent-d: #e04a12;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3, .word, .btn, .fname, .tnum, .cat b, .linkrow b, .pcard b {
  font-family: "Oswald", "Inter", system-ui, sans-serif;
  font-weight: 600;
  letter-spacing: 0.012em;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
p { margin: 0 0 10px; }
ul, ol { margin: 0; padding: 0; }
.shell { max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.skip {
  position: absolute; left: -9999px; top: 0; z-index: 30;
  background: var(--accent); color: var(--accent-ink); padding: 10px 14px;
  font-weight: 700;
}
.skip:focus { left: 0; }

/* header */
.topbar { background: var(--bg); border-bottom: 1px solid var(--line); }
.topbar-in { display: flex; align-items: center; gap: 18px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 8px; text-decoration: none; flex: none; }
.brand .word { font-size: 24px; color: #fff; letter-spacing: 0.02em; }
.brand .tag {
  font-family: "Inter", sans-serif; font-size: 10.5px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
  background: #24160f; border: 1px solid #432312; border-radius: 3px; padding: 1px 6px;
}
.brand .age {
  font-family: "Inter", sans-serif; font-size: 10.5px; font-weight: 700;
  color: var(--muted); border: 1px solid var(--line); border-radius: 3px; padding: 2px 6px;
}
.nav { display: flex; align-items: center; gap: 15px; margin-left: auto; }
.nav a {
  font-size: 14px; font-weight: 500; color: var(--muted); text-decoration: none;
  padding: 7px 0; border-bottom: 2px solid transparent; white-space: nowrap;
}
.nav a:hover, .nav a[aria-current="page"] { color: #fff; border-color: var(--accent); }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: var(--accent-ink); text-decoration: none;
  font-weight: 700; font-size: 15.5px; min-height: 50px; padding: 0 24px;
  border-radius: 5px; border: 0; cursor: pointer; letter-spacing: 0.02em;
}
.btn:hover { background: var(--accent-d); }
.btn-top { flex: none; min-height: 44px; font-size: 14px; }
.burger {
  display: none; width: 40px; height: 38px; padding: 10px 8px;
  background: transparent; border: 1px solid var(--line); border-radius: 5px;
  cursor: pointer; flex-direction: column; justify-content: space-between; flex: none;
}
.burger span { display: block; height: 2px; background: var(--ink); border-radius: 2px; }
.mpanel { display: none; border-top: 1px solid var(--line); padding: 8px 24px 14px; background: #111419; }
.mpanel.open { display: block; }
.mpanel a {
  display: block; padding: 10px 0; text-decoration: none; font-size: 15.5px;
  font-weight: 600; border-bottom: 1px solid var(--line);
}
.mpanel a[aria-current="page"] { color: var(--accent); }
.mp-note { font-size: 12.5px; color: var(--muted); margin: 10px 0 0; }

/* backdrop hero */
.hero-shot { position: relative; isolation: isolate; overflow: hidden; background: #0d0f12; }
.hero-bg {
  position: absolute; inset: 0; z-index: -2;
  width: 100%; height: 100%; object-fit: cover; object-position: left top;
}
.hero-shot::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(180deg, rgba(13, 15, 18, 0.94) 0%, rgba(13, 15, 18, 0.55) 40%, rgba(13, 15, 18, 0.42) 100%),
    linear-gradient(90deg, rgba(13, 15, 18, 0.97) 0%, rgba(13, 15, 18, 0.9) 36%, rgba(13, 15, 18, 0.35) 66%, rgba(13, 15, 18, 0.12) 100%);
}
.hero-in { position: relative; min-height: 500px; display: flex; align-items: center; padding-top: 52px; padding-bottom: 56px; }
.hero-card { max-width: 580px; }
.eyebrow {
  display: block; font-size: 11px; font-weight: 700; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--accent);
}
h1 { font-size: clamp(34px, 4.3vw, 58px); line-height: 1.02; margin: 10px 0 12px; color: #fff; text-wrap: balance; }
.lede { font-size: 16.5px; color: #d3d7de; max-width: 520px; }
.hero-act { margin-top: 20px; }
.btn-hero { min-height: 56px; font-size: 17px; padding: 0 32px; }
.micro { font-size: 12.5px; color: #b9bfc9; margin: 9px 0 0; }

/* partners on white plates: logos keep their official colours */
.partners { padding: 26px 0; border-bottom: 1px solid var(--line); }
.p-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 10px; }
.p-head h2 { font-size: 19px; margin: 0; text-transform: uppercase; letter-spacing: 0.08em; }
.p-head p { font-size: 13px; color: var(--muted); margin: 0; }
.pgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.pgrid a {
  display: flex; align-items: center; justify-content: center; height: 82px;
  background: #fff; border-radius: 5px;
}
.pgrid a:hover { outline: 2px solid var(--accent); outline-offset: 2px; }
.pgrid img { width: 100%; height: 60px; object-fit: contain; padding: 0 20px; }

/* proof */
.proof { padding: 30px 0 8px; }
.proof h2 { font-size: 21px; margin: 0 0 12px; text-transform: uppercase; letter-spacing: 0.07em; color: #d9dde4; }
.pcards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.pcard {
  background: var(--card); border: 1px solid var(--line);
  border-left: 3px solid var(--accent); border-radius: 4px; padding: 16px 18px 14px;
}
.pcard b { display: block; font-size: 20px; line-height: 1.2; color: #fff; }
.pcard p { font-size: 13.5px; color: var(--muted); margin: 4px 0 0; }

/* shots */
.shots { padding: 22px 0 8px; }
.shots h2 { font-size: 21px; margin: 0 0 12px; text-transform: uppercase; letter-spacing: 0.07em; color: #d9dde4; }
.shot { margin: 0; background: var(--card); border: 1px solid var(--line); border-radius: 5px; overflow: hidden; }
.shot img { width: 100%; height: 250px; object-fit: cover; object-position: top left; }
.shot figcaption { padding: 9px 12px; font-size: 12.5px; color: var(--muted); }
.twoshot { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* brief + rows */
.brief { padding: 22px 0 4px; }
.brief p { max-width: 760px; font-size: 16px; color: #d9dde4; }
.next { padding: 16px 0 46px; }
.next h2 { font-size: 21px; margin: 0 0 8px; text-transform: uppercase; letter-spacing: 0.07em; }
.rows { border-top: 1px solid var(--line); }
.linkrow {
  display: flex; justify-content: space-between; align-items: center; gap: 18px;
  padding: 13px 2px; border-bottom: 1px solid var(--line); text-decoration: none;
}
.linkrow b { display: block; font-size: 19px; line-height: 1.25; color: #fff; }
.linkrow span { font-size: 13.5px; color: var(--muted); }
.linkrow em { font-style: normal; font-weight: 700; font-size: 12.5px; color: var(--accent); flex: none; }
.linkrow:hover b { color: var(--accent); }
.strip-links { display: flex; flex-wrap: wrap; gap: 8px 18px; font-size: 15px; }
.strip-links a { color: var(--accent); text-decoration: none; font-weight: 600; }
.strip-links a:hover { text-decoration: underline; }

/* inner */
.phead { padding: 40px 0 6px; }
.phead h1 { max-width: 820px; }
.phead .lede { max-width: 720px; margin-bottom: 18px; }
.phead .btn-hero { min-height: 54px; }
.sec { padding: 24px 0 6px; }
.sec h2 { font-size: 22px; margin: 0 0 9px; text-transform: uppercase; letter-spacing: 0.06em; }
.cols2 { display: grid; grid-template-columns: 1fr 1fr; gap: 34px; }
.twoshot .shot img { height: 300px; }
.note { background: var(--card); border: 1px solid var(--line); border-left: 3px solid var(--accent); border-radius: 4px; padding: 18px 22px; margin: 26px 0; }

/* categories, tiers */
.catgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.cat { background: var(--card); border: 1px solid var(--line); border-radius: 4px; padding: 14px 16px; }
.cat b { display: block; font-size: 19px; line-height: 1.2; color: #fff; }
.cat p { font-size: 13.5px; color: var(--muted); margin: 3px 0 0; }
.tiers { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tier { background: var(--card); border: 1px solid var(--line); border-top: 3px solid var(--accent); border-radius: 4px; padding: 18px 20px 14px; }
.tnum { display: block; font-size: 12.5px; color: var(--accent); letter-spacing: 0.12em; }
.tier h2 { font-size: 20px; margin: 3px 0 8px; }
.tier ul { list-style: none; }
.tier li { font-size: 14px; color: var(--muted); padding: 4px 0 4px 15px; position: relative; }
.tier li::before { content: ""; position: absolute; left: 0; top: 11px; width: 5px; height: 5px; background: var(--accent); border-radius: 1px; }

/* points, steps, faq */
.points { list-style: none; display: grid; gap: 7px; max-width: 820px; }
.points li { padding-left: 18px; position: relative; font-size: 15.5px; color: #dfe3e9; }
.points li::before { content: ""; position: absolute; left: 0; top: 9px; width: 7px; height: 7px; background: var(--accent); border-radius: 1px; }
.steps { list-style: none; counter-reset: st; display: grid; gap: 10px; max-width: 820px; }
.steps li {
  counter-increment: st; background: var(--card); border: 1px solid var(--line);
  border-left: 3px solid var(--accent); border-radius: 4px;
  padding: 14px 18px 12px 58px; position: relative;
}
.steps li::before {
  content: counter(st); position: absolute; left: 14px; top: 14px;
  width: 28px; height: 28px; border-radius: 3px; background: var(--accent);
  color: var(--accent-ink); font-family: "Oswald", sans-serif; font-weight: 700;
  font-size: 17px; line-height: 28px; text-align: center;
}
.steps b { display: block; font-size: 19px; line-height: 1.25; color: #fff; }
.steps p { margin: 2px 0 0; color: var(--muted); font-size: 14.5px; }
.faq { display: grid; gap: 8px; max-width: 840px; }
.faq details { background: var(--card); border: 1px solid var(--line); border-radius: 4px; }
.faq summary {
  cursor: pointer; padding: 13px 40px 13px 16px; font-weight: 700; font-size: 15.5px;
  list-style: none; position: relative; color: #fff;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 15px; top: 9px;
  color: var(--accent); font-size: 21px; font-weight: 700;
}
.faq details[open] summary::after { content: "\2212"; }
.faq details p { margin: 0; padding: 0 16px 14px; color: var(--muted); font-size: 15px; }
.shot.wide { max-width: 900px; }
.shot.wide img { height: 380px; }
.backlinks { margin-top: 14px; font-size: 14px; }
.backlinks a { margin-right: 14px; color: var(--accent); }

/* dense 4 column footer */
.foot { background: #0a0c0f; border-top: 1px solid var(--line); padding: 32px 0 0; }
.foot-cols { display: grid; grid-template-columns: 1.4fr 1fr 1.1fr 1fr; gap: 22px; }
.fname { font-size: 22px; margin: 0 0 8px; color: #fff; }
.fname span {
  font-family: "Inter", sans-serif; font-size: 10px; font-weight: 700;
  letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent);
  background: #24160f; border: 1px solid #432312; border-radius: 3px; padding: 1px 6px;
  vertical-align: 3px;
}
.foot p { font-size: 13px; color: var(--muted); }
.foot h3 {
  font-family: "Inter", sans-serif; font-size: 11.5px; text-transform: uppercase;
  letter-spacing: 0.1em; color: #cfd4dc; margin: 4px 0 9px;
}
.foot ul { list-style: none; }
.foot li { margin: 4px 0; }
.foot a { font-size: 13px; text-decoration: none; }
.foot a:hover { color: var(--accent); }
.badge18 {
  display: inline-block; border: 1px solid #3a4049; border-radius: 3px;
  padding: 2px 8px; font-weight: 700; font-size: 12px; color: var(--ink);
}
.strip {
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  border-top: 1px solid var(--line); margin-top: 20px; padding: 12px 0;
  font-size: 12.5px; color: var(--muted);
}

@media (max-width: 980px) {
  .nav { display: none; }
  .burger { display: flex; }
  .topbar-in { gap: 12px; }
  .btn-top { margin-left: auto; min-height: 44px; padding: 0 14px; font-size: 13px; }
  .hero-in { min-height: 420px; padding-top: 40px; padding-bottom: 44px; }
  h1 { font-size: clamp(31px, 6.6vw, 44px); }
  .pcards { grid-template-columns: 1fr; gap: 8px; }
  .pcard { padding: 13px 15px 12px; }
  .catgrid, .tiers { grid-template-columns: 1fr 1fr; }
  .cols2, .twoshot { grid-template-columns: 1fr; gap: 14px; }
  .twoshot .shot img { height: 220px; }
  .foot-cols { grid-template-columns: 1fr 1fr; gap: 18px; }
  .shot.wide img { height: 300px; }
}

@media (max-width: 560px) {
  .shell { padding: 0 16px; }
  .brand .word { font-size: 21px; }
  .brand .tag { display: none; }
  .btn-top { padding: 0 12px; font-size: 12.5px; }
  .hero-in { min-height: 0; padding-top: 34px; padding-bottom: 38px; }
  .hero-card .btn-hero { width: 100%; min-height: 54px; }
  .hero-card .micro { text-align: center; }
  .hero-act .btn-hero, .phead .btn-hero { width: 100%; min-height: 54px; }
  .pgrid { grid-template-columns: 1fr 1fr; }
  .pgrid a { height: 64px; }
  .pgrid img { height: 44px; padding: 0 12px; }
  .catgrid, .tiers { grid-template-columns: 1fr; }
  .shot img { height: 190px; }
  .foot-cols { grid-template-columns: 1fr; }
  .shot.wide img { height: 210px; }
}