:root {
  --bg: #08090c;
  --bg-soft: #0e1015;
  --panel: #14171d;
  --panel-2: #1a1d24;
  --text: #f7f7f8;
  --muted: #a6abb5;
  --line: rgba(255, 255, 255, 0.1);
  --red: #f12535;
  --red-dark: #b80e1d;
  --orange: #ff9d42;
  --radius: 20px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --shell: min(1180px, calc(100% - 40px));
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 18% -10%, rgba(241, 37, 53, 0.11), transparent 28%),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, a { -webkit-tap-highlight-color: transparent; }
.shell { width: var(--shell); margin-inline: auto; }
.skip-link { position: fixed; left: 16px; top: -60px; z-index: 1000; background: #fff; color: #000; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { top: 12px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8, 9, 12, 0.8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(18px);
}

.header-inner { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 12px; min-width: 220px; }
.brand img { width: 48px; height: 48px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, 0.13); box-shadow: 0 0 0 4px rgba(241, 37, 53, 0.08); }
.brand span { display: grid; line-height: 1.05; }
.brand strong { font-size: 1.18rem; letter-spacing: 0.01em; }
.brand small { color: var(--muted); margin-top: 5px; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.13em; }
.main-nav { display: flex; align-items: center; gap: 28px; font-weight: 700; font-size: 0.9rem; }
.main-nav > a:not(.nav-cta) { color: #cfd2d8; transition: color .2s ease; }
.main-nav > a:not(.nav-cta):hover { color: #fff; }
.main-nav > a[aria-current="page"] { color: #fff; }
.main-nav > a[aria-current="page"]::after { content: ""; display: block; width: 100%; height: 2px; margin-top: 5px; border-radius: 2px; background: var(--red); }
.nav-cta { background: var(--red); border-radius: 10px; padding: 10px 18px; box-shadow: 0 8px 24px rgba(241, 37, 53, .2); }
.menu-toggle { display: none; border: 0; background: none; padding: 8px; }
.menu-toggle span { display: block; width: 25px; height: 2px; margin: 5px 0; border-radius: 2px; background: white; }

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero::before { content: ""; position: absolute; width: 520px; height: 520px; right: -140px; top: 0; background: rgba(241, 37, 53, .15); filter: blur(110px); border-radius: 50%; }
.hero-grid { position: absolute; inset: 0; opacity: .14; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, #000, transparent 82%); }
.hero-layout { position: relative; z-index: 1; min-height: 660px; padding-block: 95px 100px; display: grid; grid-template-columns: 1.02fr .98fr; align-items: center; gap: 72px; }
.eyebrow { margin: 0 0 16px; color: #d2d5dc; font-weight: 800; font-size: .78rem; text-transform: uppercase; letter-spacing: .18em; }
.eyebrow span { display: inline-block; width: 30px; height: 3px; margin-right: 10px; vertical-align: middle; border-radius: 3px; background: var(--red); }
.hero h1 { max-width: 680px; margin: 0; font-size: clamp(3rem, 5.3vw, 5.4rem); line-height: .98; letter-spacing: -.055em; }
.hero h1 em { display: block; color: var(--red); font-style: normal; }
.hero-lead { max-width: 650px; margin: 28px 0 32px; color: #b8bdc7; font-size: 1.1rem; }
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 10px; min-height: 48px; padding: 0 20px; border-radius: 11px; font-weight: 850; font-size: .91rem; border: 1px solid transparent; transition: transform .2s ease, background .2s ease, border-color .2s ease; }
.button:hover { transform: translateY(-2px); }
.button.primary { background: var(--red); box-shadow: 0 12px 30px rgba(241, 37, 53, .22); }
.button.primary:hover { background: #ff3544; }
.button.secondary { background: rgba(255,255,255,.045); border-color: rgba(255,255,255,.16); }
.button.secondary:hover { background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.26); }
.play-icon { font-size: .76rem; }
.hero-points { display: flex; flex-wrap: wrap; gap: 22px; margin: 32px 0 0; padding: 0; list-style: none; color: #8f949e; font-size: .82rem; font-weight: 750; }
.hero-points li::before { content: "✓"; margin-right: 7px; color: var(--red); font-weight: 900; }

.hero-feature { position: relative; display: block; transform: rotate(1.4deg); transition: transform .3s ease; }
.hero-feature:hover { transform: rotate(0deg) translateY(-5px); }
.feature-image { position: relative; overflow: hidden; aspect-ratio: 16 / 9; border: 1px solid rgba(255,255,255,.14); border-radius: 20px 20px 0 0; background: #171920; box-shadow: var(--shadow); }
.feature-image::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, rgba(0,0,0,.6), transparent 55%); }
.feature-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.hero-feature:hover img { transform: scale(1.035); }
.feature-badge { position: absolute; z-index: 2; left: 18px; top: 18px; padding: 7px 11px; border-radius: 7px; background: var(--red); font-size: .7rem; font-weight: 900; letter-spacing: .1em; }
.feature-play { position: absolute; z-index: 2; left: 50%; top: 50%; display: grid; place-items: center; width: 62px; height: 62px; transform: translate(-50%, -50%); border-radius: 50%; background: rgba(255,255,255,.94); color: #111; font-size: 1rem; padding-left: 4px; box-shadow: 0 12px 36px rgba(0,0,0,.35); }
.feature-caption { display: grid; padding: 20px 22px 22px; border: 1px solid rgba(255,255,255,.11); border-top: 0; border-radius: 0 0 20px 20px; background: #12141a; }
.feature-caption span { color: var(--red); text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; font-weight: 900; }
.feature-caption strong { margin-top: 6px; font-size: 1.05rem; line-height: 1.32; }
.feature-caption small { margin-top: 7px; color: #888e99; }
.section { padding-block: 110px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; margin-bottom: 40px; }
.section-heading.narrow { align-items: start; }
.section-heading h2, .guides h2, .about h2, .collaboration h2 { margin: 0; font-size: clamp(2.1rem, 4vw, 3.65rem); line-height: 1.05; letter-spacing: -.04em; }
.section-heading p:not(.eyebrow) { max-width: 660px; margin: 20px 0 0; color: var(--muted); }
.text-link { color: #dddfe4; font-size: .88rem; font-weight: 800; }
.text-link span { color: var(--red); margin-left: 5px; }
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.video-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); transition: transform .25s ease, border-color .25s ease; }
.video-card:hover { transform: translateY(-6px); border-color: rgba(255,255,255,.22); }
.video-thumb { position: relative; display: block; overflow: hidden; aspect-ratio: 16/9; background: #222; }
.video-thumb::after { content: "▶"; position: absolute; left: 18px; bottom: 16px; display: grid; place-items: center; width: 38px; height: 38px; padding-left: 2px; border-radius: 50%; background: rgba(241,37,53,.94); color: #fff; font-size: .7rem; transform: scale(.9); opacity: 0; transition: opacity .2s ease, transform .2s ease; }
.video-card:hover .video-thumb::after { opacity: 1; transform: scale(1); }
.video-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.video-card:hover .video-thumb img { transform: scale(1.04); }
.duration { position: absolute; right: 10px; bottom: 10px; padding: 3px 7px; border-radius: 5px; background: rgba(0,0,0,.86); font-size: .72rem; font-weight: 800; }
.video-body { padding: 22px; }
.tag { display: inline-flex; padding: 5px 8px; border-radius: 6px; font-size: .66rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.tag.transport { background: rgba(55, 160, 255, .13); color: #69b9ff; }
.tag.stationeers { background: rgba(255, 157, 66, .13); color: #ffb16b; }
.tag.megastore { background: rgba(88, 223, 151, .13); color: #66dba0; }
.video-body h3 { margin: 13px 0 10px; font-size: 1.12rem; line-height: 1.35; }
.video-body h3 a:hover { color: #ff5b67; }
.video-body p { margin: 0; color: #969ca7; font-size: .91rem; }

.series { background: linear-gradient(180deg, #0c0e12, #0a0b0e); border-block: 1px solid var(--line); }
.series-list { display: grid; gap: 14px; }
.series-card { position: relative; overflow: hidden; min-height: 150px; display: grid; grid-template-columns: 85px 1fr auto; align-items: center; gap: 30px; padding: 28px 34px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); transition: transform .25s ease, border-color .25s ease; }
.series-card::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--red); }
.series-card:hover { transform: translateX(7px); border-color: rgba(255,255,255,.22); }
.series-number { color: rgba(255,255,255,.18); font-weight: 900; font-size: 2.6rem; letter-spacing: -.05em; }
.series-card p { margin: 0 0 3px; color: var(--red); font-size: .69rem; font-weight: 900; text-transform: uppercase; letter-spacing: .13em; }
.series-card h3 { margin: 0; font-size: 1.55rem; letter-spacing: -.025em; }
.series-card div span { display: block; margin-top: 6px; color: #969ca7; }
.series-card b { font-size: 1.45rem; color: #676c75; }
.store-card::before { background: #50d991; }.store-card p { color: #62dfa0; }
.space-card::before { background: #ff9940; }.space-card p { color: #ffac64; }

.guides-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 80px; align-items: start; }
.guides-intro { position: sticky; top: 120px; }
.guides-intro > p:not(.eyebrow) { margin: 24px 0 30px; color: var(--muted); }
.guide-stack { display: grid; gap: 14px; }
.guide-item { display: grid; grid-template-columns: 58px 1fr auto; align-items: center; gap: 19px; min-height: 132px; padding: 23px; border: 1px solid var(--line); border-radius: 17px; background: var(--panel); transition: transform .2s ease, border-color .2s ease; }
.guide-item:hover { transform: translateY(-3px); border-color: rgba(241,37,53,.45); }
.guide-icon { display: grid; place-items: center; width: 58px; height: 58px; border-radius: 14px; background: rgba(241,37,53,.1); border: 1px solid rgba(241,37,53,.2); color: #ff606c; font-size: 1.7rem; }
.guide-item small { display: block; color: #858b95; text-transform: uppercase; letter-spacing: .08em; font-size: .67rem; font-weight: 800; }
.guide-item strong { display: block; margin-top: 5px; font-size: 1.04rem; line-height: 1.35; }
.guide-item p { margin: 5px 0 0; color: #9096a1; font-size: .86rem; }
.guide-item b { color: var(--red); }

.about { padding-block: 120px; background: radial-gradient(circle at 18% 50%, rgba(241,37,53,.13), transparent 30%); }
.about-layout { display: grid; grid-template-columns: .72fr 1.28fr; gap: 80px; align-items: center; }
.about-mark { position: relative; max-width: 365px; aspect-ratio: 1; justify-self: center; }
.about-mark::before, .about-mark::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(255,255,255,.12); }
.about-mark::before { inset: -24px; }.about-mark::after { inset: -48px; opacity: .55; }
.about-mark img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; border: 5px solid #252830; box-shadow: var(--shadow); }
.about-mark span { position: absolute; right: -18px; bottom: 10%; padding: 11px 14px; border-radius: 9px; background: var(--red); font-weight: 950; letter-spacing: .08em; box-shadow: 0 12px 28px rgba(241,37,53,.26); }
.about-copy p:not(.eyebrow) { color: #a7acb6; font-size: 1.02rem; }

.collaboration { padding-top: 20px; }
.collaboration-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 1.15fr .85fr; gap: 70px; align-items: center; padding: 60px; border: 1px solid rgba(241,37,53,.28); border-radius: 25px; background: linear-gradient(135deg, #181b22, #101217); box-shadow: var(--shadow); }
.collaboration-card::after { content: ""; position: absolute; width: 340px; height: 340px; right: -150px; top: -160px; border-radius: 50%; background: var(--red); filter: blur(90px); opacity: .17; }
.collaboration-card > * { position: relative; z-index: 1; }
.collaboration-card > div > p:not(.eyebrow) { max-width: 650px; color: #a5aab4; }
.contact-panel { padding: 30px; border: 1px solid var(--line); border-radius: 17px; background: rgba(6,7,9,.45); }
.contact-panel small { display: block; color: #8c929c; text-transform: uppercase; letter-spacing: .11em; font-weight: 800; }
.contact-panel > a { display: inline-block; margin: 8px 0 22px; font-size: clamp(.7rem, 2vw, 1.08rem); font-weight: 850; letter-spacing: -.015em; white-space: nowrap; }

.site-footer { margin-top: 110px; border-top: 1px solid var(--line); background: #07080a; }
.footer-inner { min-height: 180px; display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 24px; }
.footer-brand { display: grid; }.footer-brand strong { font-size: 1.1rem; }.footer-brand span { margin-top: 5px; color: #7f858f; font-size: .82rem; }
.footer-links { display: flex; gap: 24px; color: #b9bdc4; font-size: .84rem; font-weight: 700; }
.footer-links a:hover { color: #fff; }
.footer-inner > p { grid-column: 1 / -1; margin: -34px 0 24px; color: #626771; font-size: .76rem; }

/* Collaboration page */
.collab-page { overflow-x: hidden; overflow-y: auto; }
.collab-hero { position: relative; padding-block: 96px 82px; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 82% 20%, rgba(241,37,53,.18), transparent 31%); }
.collab-hero::after { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .1; background-image: linear-gradient(rgba(255,255,255,.12) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.12) 1px, transparent 1px); background-size: 64px 64px; mask-image: linear-gradient(to bottom, #000, transparent 90%); }
.collab-hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.2fr .8fr; gap: 72px; align-items: center; }
.collab-hero h1 { max-width: 760px; margin: 0; font-size: clamp(3rem, 5.5vw, 5.7rem); line-height: .98; letter-spacing: -.055em; }
.collab-hero h1 em { display: block; color: var(--red); font-style: normal; }
.collab-hero-lead { max-width: 700px; margin: 26px 0 31px; color: #b6bbc5; font-size: 1.08rem; }
.collab-hero .hero-actions { margin-bottom: 26px; }
.trust-line { display: flex; flex-wrap: wrap; gap: 10px 20px; margin: 0; color: #8f959f; font-size: .82rem; font-weight: 750; }
.trust-line span::before { content: "✓"; margin-right: 7px; color: var(--red); }
.hero-contact-card { position: relative; padding: 33px; border: 1px solid rgba(241,37,53,.3); border-radius: 22px; background: linear-gradient(145deg, rgba(28,31,39,.96), rgba(14,16,21,.96)); box-shadow: var(--shadow); }
.hero-contact-card::before { content: ""; position: absolute; inset: 0 0 auto; height: 3px; border-radius: 22px 22px 0 0; background: linear-gradient(90deg, var(--red), var(--orange)); }
.hero-contact-card > small { color: #9298a3; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.hero-contact-card h2 { margin: 11px 0 13px; font-size: 1.55rem; line-height: 1.2; letter-spacing: -.03em; }
.hero-contact-card p { margin: 0 0 22px; color: #9ca2ad; font-size: .92rem; }
.hero-contact-card .contact-email { display: block; overflow-wrap: anywhere; margin-bottom: 20px; color: #fff; font-weight: 850; }
.hero-contact-card .button { width: 100%; }

.stats-strip { padding-block: 38px; border-bottom: 1px solid var(--line); background: #0b0d11; }
.stats-head { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-bottom: 22px; }
.stats-head strong { font-size: .95rem; }
.stats-head span { color: #7e848f; font-size: .77rem; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 13px; }
.stat-card { padding: 22px 24px; border: 1px solid var(--line); border-radius: 15px; background: var(--panel); }
.stat-card strong { display: block; font-size: clamp(1.7rem, 3vw, 2.45rem); line-height: 1; letter-spacing: -.045em; }
.stat-card span { display: block; margin-top: 9px; color: #9197a2; font-size: .78rem; font-weight: 750; }

.collab-section { padding-block: 100px; }
.collab-section.alt { border-block: 1px solid var(--line); background: linear-gradient(180deg, #0c0e12, #090b0e); }
.collab-section-head { max-width: 740px; margin-bottom: 38px; }
.collab-section-head h2 { margin: 0; font-size: clamp(2.1rem, 4vw, 3.6rem); line-height: 1.06; letter-spacing: -.045em; }
.collab-section-head > p:not(.eyebrow) { margin: 19px 0 0; color: var(--muted); }
.offer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.offer-card { min-height: 230px; padding: 27px; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); }
.offer-number { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgba(241,37,53,.25); border-radius: 11px; background: rgba(241,37,53,.09); color: #ff5b67; font-size: .75rem; font-weight: 900; }
.offer-card h3 { margin: 23px 0 10px; font-size: 1.12rem; line-height: 1.3; }
.offer-card p { margin: 0; color: #969ca7; font-size: .91rem; }

.audience-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 70px; align-items: center; }
.audience-copy h2 { margin: 0; font-size: clamp(2.1rem, 4vw, 3.6rem); line-height: 1.06; letter-spacing: -.045em; }
.audience-copy > p:not(.eyebrow) { color: var(--muted); }
.audience-points { display: grid; gap: 10px; margin-top: 27px; }
.audience-point { display: flex; justify-content: space-between; gap: 20px; padding: 17px 19px; border: 1px solid var(--line); border-radius: 13px; background: rgba(255,255,255,.025); }
.audience-point span { color: #9ca2ad; }
.audience-point strong { text-align: right; }
.audience-bars { display: grid; gap: 18px; padding: 32px; border: 1px solid var(--line); border-radius: 22px; background: var(--panel); box-shadow: var(--shadow); }
.audience-bar-head { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 8px; font-size: .85rem; font-weight: 800; }
.audience-bar-head span { color: #a5abb5; }
.bar-track { overflow: hidden; height: 9px; border-radius: 99px; background: rgba(255,255,255,.08); }
.bar-fill { height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--red-dark), var(--red)); }

.work-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.work-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--panel); transition: transform .25s ease, border-color .25s ease; }
.work-card:hover { transform: translateY(-5px); border-color: rgba(255,255,255,.23); }
.work-card-image { position: relative; overflow: hidden; aspect-ratio: 16/9; }
.work-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .35s ease; }
.work-card:hover img { transform: scale(1.035); }
.work-card-image span { position: absolute; left: 12px; top: 12px; padding: 5px 8px; border-radius: 6px; background: rgba(0,0,0,.82); font-size: .66rem; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.work-card-body { padding: 22px; }
.work-card-body h3 { margin: 0 0 9px; font-size: 1.08rem; line-height: 1.34; }
.work-card-body p { margin: 0; color: #969ca7; font-size: .87rem; }

.principles-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.principle { padding: 25px; border-top: 2px solid var(--red); border-radius: 0 0 15px 15px; background: rgba(255,255,255,.035); }
.principle strong { display: block; margin-bottom: 8px; }
.principle p { margin: 0; color: #969ca7; font-size: .89rem; }
.international-box { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: center; margin-top: 66px; padding: 38px 42px; border: 1px solid var(--line); border-radius: 20px; background: #11141a; }
.international-box h3 { margin: 0; font-size: 1.55rem; letter-spacing: -.025em; }
.international-box p { max-width: 760px; margin: 10px 0 0; color: #9ba1ac; }
.international-box .button { white-space: nowrap; }

.final-cta { padding-block: 28px 105px; }
.final-cta-card { position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: center; padding: 55px; border: 1px solid rgba(241,37,53,.3); border-radius: 24px; background: linear-gradient(135deg, #191c23, #0f1116); box-shadow: var(--shadow); }
.final-cta-card::after { content: ""; position: absolute; width: 300px; height: 300px; right: -120px; top: -130px; border-radius: 50%; background: var(--red); filter: blur(85px); opacity: .18; }
.final-cta-card > * { position: relative; z-index: 1; }
.final-cta-card h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.07; letter-spacing: -.045em; }
.final-cta-card p { max-width: 710px; margin: 16px 0 0; color: #a2a8b2; }
.final-cta-actions { display: grid; gap: 11px; min-width: 220px; }
.final-cta-actions .button.primary { padding-block: 12px; text-align: center; overflow-wrap: anywhere; line-height: 1.25; }
.final-cta-note { margin-top: 16px !important; color: #747a84 !important; font-size: .78rem; }

.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 980px) {
  .main-nav { position: fixed; inset: 78px 20px auto; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 15px; background: #101217; box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .main-nav a { padding: 13px 14px; }
  .nav-cta { margin-top: 7px; text-align: center; }
  .menu-toggle { display: block; }
  .hero-layout { grid-template-columns: 1fr; gap: 58px; padding-block: 78px 100px; }
  .hero-copy { max-width: 760px; }
  .hero-feature { max-width: 720px; transform: none; }
  .video-grid { grid-template-columns: repeat(2, 1fr); }
  .video-card:last-child { grid-column: 1 / -1; max-width: calc(50% - 11px); }
  .guides-layout, .about-layout, .collaboration-card { grid-template-columns: 1fr; }
  .guides-intro { position: static; }
  .about-mark { width: min(340px, 80%); }
  .collaboration-card { gap: 38px; }
  .collab-hero-inner, .audience-layout { grid-template-columns: 1fr; }
  .collab-hero-inner { gap: 45px; }
  .hero-contact-card { max-width: 660px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .offer-grid { grid-template-columns: repeat(2, 1fr); }
  .offer-card:last-child { grid-column: 1 / -1; }
  .work-grid { grid-template-columns: repeat(2, 1fr); }
  .work-card:last-child { grid-column: 1 / -1; max-width: calc(50% - 10px); }
  .international-box, .final-cta-card { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  :root { --shell: min(100% - 28px, 1180px); --radius: 16px; }
  .header-inner { min-height: 70px; }.main-nav { inset: 70px 14px auto; }
  .brand { min-width: 0; }.brand img { width: 42px; height: 42px; }.brand strong { font-size: 1.02rem; }.brand small { font-size: .62rem; }
  .hero-layout { min-height: auto; padding-block: 60px 78px; gap: 44px; }
  .hero h1 { font-size: clamp(2.7rem, 13vw, 4rem); }
  .hero-lead { font-size: 1rem; }
  .hero-actions .button { width: 100%; }
  .hero-points { gap: 10px 18px; }
  .section { padding-block: 78px; }
  .section-heading { align-items: start; flex-direction: column; margin-bottom: 28px; }
  .video-grid { grid-template-columns: 1fr; }.video-card:last-child { grid-column: auto; max-width: none; }
  .series-card { grid-template-columns: 45px 1fr; gap: 15px; padding: 23px 20px; }.series-card b { display: none; }.series-number { font-size: 1.8rem; }.series-card h3 { font-size: 1.25rem; }.series-card div span { font-size: .88rem; }
  .guides-layout { gap: 42px; }.guide-item { grid-template-columns: 47px 1fr; padding: 18px; }.guide-icon { width: 47px; height: 47px; font-size: 1.35rem; }.guide-item b { display: none; }
  .about { overflow: hidden; }.about-layout { gap: 58px; }
  .collaboration-card { width: var(--shell); padding: 32px 22px; border-radius: 19px; }.contact-panel { padding: 22px 18px; }.contact-actions .button { width: 100%; }
  .main-nav > a[aria-current="page"]::after { display: none; }
  .collab-hero { padding-block: 60px 62px; }
  .collab-hero h1 { font-size: clamp(2.65rem, 13vw, 4rem); }
  .collab-hero .hero-actions .button { width: 100%; }
  .hero-contact-card { padding: 26px 22px; }
  .stats-head { align-items: flex-start; flex-direction: column; gap: 5px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-card { padding: 19px 17px; }
  .collab-section { padding-block: 76px; }
  .offer-grid, .work-grid, .principles-grid { grid-template-columns: 1fr; }
  .offer-card, .offer-card:last-child, .work-card:last-child { grid-column: auto; max-width: none; }
  .audience-layout { gap: 42px; }
  .audience-bars { padding: 24px 20px; }
  .audience-point { align-items: flex-start; flex-direction: column; gap: 2px; }
  .audience-point strong { text-align: left; }
  .international-box { margin-top: 44px; padding: 29px 23px; gap: 26px; }
  .international-box .button { width: 100%; white-space: normal; }
  .final-cta { padding-bottom: 75px; }
  .final-cta-card { padding: 34px 23px; gap: 30px; }
  .final-cta-actions { min-width: 0; }
  .final-cta-actions .button { width: 100%; }
  .site-footer { margin-top: 78px; }.footer-inner { padding-block: 40px; grid-template-columns: 1fr; }.footer-links { flex-wrap: wrap; }.footer-inner > p { grid-column: auto; margin: 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}