/* ═══════════════════════════════════════════════════════════════
   Yggdrasil — aurora / árvore-mundo
   Tema escuro premium, vanilla, zero build.
   ═══════════════════════════════════════════════════════════════ */

:root {
  --bg:        #0A0E0F;
  --bg-elev:   #0F1517;
  --bg-card:   rgba(255,255,255,0.025);
  --bg-card-h: rgba(255,255,255,0.045);
  --border:    rgba(255,255,255,0.08);
  --border-h:  rgba(255,255,255,0.16);
  --text:      #E9EFEE;
  --text-dim:  #97A6A3;
  --text-mut:  #65726F;

  --brand:     #4FD1C5;
  --emerald:   #34D399;
  --teal:      #2DD4BF;
  --violet:    #A78BFA;
  --red:       #F87171;
  --yellow:    #FBBF24;

  --aurora: linear-gradient(115deg, #4FD1C5 0%, #2DD4BF 44%, #A78BFA 100%);
  --aurora-soft: linear-gradient(115deg, rgba(52,211,153,.18), rgba(45,212,191,.14), rgba(167,139,250,.18));

  --font-head: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", monospace;

  --wrap: 1140px;
  --r: 14px;
  --r-sm: 10px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4, h5 { font-family: var(--font-head); font-weight: 600; line-height: 1.12; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }
code, pre { font-family: var(--font-mono); }
:focus-visible { outline: 2px solid var(--emerald); outline-offset: 3px; border-radius: 4px; }

/* gradient text helper */
.position__hi strong, .cta__title, .hero__title em {
  background: var(--aurora); -webkit-background-clip: text; background-clip: text; color: transparent;
}

/* ─── Buttons ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-head); font-weight: 500; font-size: 15px;
  padding: 12px 22px; border-radius: 999px; cursor: pointer;
  border: 1px solid transparent; transition: transform .15s, box-shadow .25s, background .2s, border-color .2s;
  white-space: nowrap;
}
.btn--sm { padding: 8px 16px; font-size: 14px; }
.btn--solid {
  color: #04110C; background: var(--aurora); background-size: 160% 160%;
  box-shadow: 0 6px 24px -8px rgba(52,211,153,.55);
}
.btn--solid:hover { transform: translateY(-2px); box-shadow: 0 10px 32px -8px rgba(52,211,153,.7); }
.btn--ghost { color: var(--text); background: var(--bg-card); border-color: var(--border); }
.btn--ghost:hover { background: var(--bg-card-h); border-color: var(--border-h); transform: translateY(-2px); }

/* ─── Nav ─────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  background: rgba(10,14,15,.6); border-bottom: 1px solid transparent;
  transition: border-color .3s, background .3s;
}
.nav.is-scrolled { background: rgba(10,14,15,.82); border-bottom-color: var(--border); }
.nav__inner { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 600; font-size: 18px; }
.brand__mark { flex: none; height: 30px; width: auto; display: block; }
.footer .brand__mark { height: 26px; }
.nav__links { display: flex; gap: 26px; margin-left: 12px; flex: 1; }
.nav__links a { color: var(--text-dim); font-size: 14.5px; transition: color .2s; }
.nav__links a:hover { color: var(--text); }
.nav__cta { display: flex; gap: 10px; align-items: center; }
.nav__burger { display: none; background: none; border: 0; flex-direction: column; gap: 5px; cursor: pointer; padding: 8px; }
.nav__burger span { width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: .25s; }

/* ─── Hero ────────────────────────────────────────────── */
.hero { position: relative; padding: 96px 0 84px; overflow: hidden; }
.hero__canvas {
  position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; display: block;
  -webkit-mask-image: radial-gradient(150% 135% at 50% 50%, #000 60%, transparent 100%);
  mask-image: radial-gradient(150% 135% at 50% 50%, #000 60%, transparent 100%);
}
.hero__inner::before {
  content: ""; position: absolute; z-index: -1; left: 50%; top: 44%; transform: translate(-50%, -50%);
  width: 820px; max-width: 112%; height: 460px; pointer-events: none;
  background: radial-gradient(closest-side, rgba(10,14,15,.78), rgba(10,14,15,.32) 58%, transparent 100%);
}
.hero__glow {
  position: absolute; z-index: 0; top: -10%; left: 50%; transform: translateX(-50%);
  width: 900px; height: 600px; pointer-events: none;
  background: radial-gradient(50% 50% at 50% 50%, rgba(45,212,191,.16), rgba(167,139,250,.08) 55%, transparent 72%);
  filter: blur(20px);
}
.hero__inner { position: relative; z-index: 1; text-align: center; display: flex; flex-direction: column; align-items: center; }

.pill {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 13px; color: var(--text-dim); font-weight: 450;
  padding: 6px 14px; border-radius: 999px;
  background: var(--bg-card); border: 1px solid var(--border);
}
.pill__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--emerald); box-shadow: 0 0 0 0 rgba(52,211,153,.6); animation: pulse 2.4s infinite; }
@keyframes pulse { 0% { box-shadow: 0 0 0 0 rgba(52,211,153,.5);} 70%{ box-shadow: 0 0 0 7px rgba(52,211,153,0);} 100%{ box-shadow:0 0 0 0 rgba(52,211,153,0);} }

.hero__title { font-size: clamp(34px, 6.4vw, 62px); font-weight: 700; margin: 26px 0 0; }
.hero__sub { font-size: clamp(16px, 2.2vw, 20px); color: var(--text-dim); max-width: 640px; margin: 22px 0 0; }
.hero__sub strong { color: var(--text); font-weight: 600; }
.hero__actions { display: flex; gap: 14px; margin: 34px 0 0; flex-wrap: wrap; justify-content: center; }

/* ─── Terminal card ───────────────────────────────────── */
.terminal {
  width: 100%; max-width: 560px; margin: 44px auto 0; text-align: left;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--r);
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.8); overflow: hidden;
}
.terminal--tall, .terminal--cta { max-width: 100%; margin-top: 0; }
.terminal__bar { display: flex; align-items: center; gap: 7px; padding: 11px 14px; background: rgba(255,255,255,.02); border-bottom: 1px solid var(--border); }
.dot { width: 11px; height: 11px; border-radius: 50%; }
.dot--r { background: #FF5F57; } .dot--y { background: #FEBC2E; } .dot--g { background: #28C840; }
.terminal__title { margin-left: 8px; font-family: var(--font-mono); font-size: 12px; color: var(--text-mut); flex: 1; }
.terminal__body { padding: 18px 20px; font-size: 13.5px; line-height: 1.75; overflow-x: auto; }
.terminal__body code { color: var(--text); }
.c-prompt { color: var(--teal); } .c-cmd { color: var(--emerald); font-weight: 500; }
.c-ok { color: var(--emerald); } .c-dim { color: var(--text-mut); } .c-str { color: var(--violet); }
.c-y { color: var(--yellow); }

.copy {
  margin-left: auto; font-family: var(--font-body); font-size: 12px; color: var(--text-dim);
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 7px; padding: 4px 10px; cursor: pointer; transition: .2s;
}
.copy:hover { color: var(--text); border-color: var(--border-h); }
.copy.is-done { color: var(--emerald); border-color: rgba(52,211,153,.4); }

/* ─── Positioning band ────────────────────────────────── */
.position { padding: 64px 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: linear-gradient(180deg, transparent, rgba(45,212,191,.02)); }
.position__line { font-family: var(--font-head); font-size: clamp(22px, 3.6vw, 34px); font-weight: 500; line-height: 1.3; max-width: 880px; }
.position__line em { font-style: normal; color: var(--text-mut); }
.position__hi { display: block; margin-top: 6px; }
.position__note { color: var(--text-dim); margin-top: 18px; max-width: 620px; font-size: 16px; }

/* ─── Generic section ─────────────────────────────────── */
.section { padding: 92px 0; }
.section--alt { background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section__head { max-width: 660px; margin-bottom: 48px; }
.kicker { font-family: var(--font-mono); font-size: 12.5px; letter-spacing: .14em; text-transform: uppercase; color: var(--teal); }
.section__head h2 { font-size: clamp(26px, 4vw, 40px); margin: 14px 0 0; }
.lede { color: var(--text-dim); font-size: 17px; margin-top: 16px; }
.lede em { color: var(--text); font-style: normal; }

/* ─── Grid / cards ────────────────────────────────────── */
.grid { display: grid; gap: 18px; }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r);
  padding: 26px 22px; transition: transform .2s, border-color .2s, background .2s; position: relative; overflow: hidden;
}
.card::before { content:""; position:absolute; inset:0 0 auto 0; height:2px; background: var(--aurora); opacity:0; transition:opacity .25s; }
.card:hover { transform: translateY(-4px); border-color: var(--border-h); background: var(--bg-card-h); }
.card:hover::before { opacity: 1; }
.card h3 { font-size: 19px; margin: 16px 0 8px; }
.card p { color: var(--text-dim); font-size: 14.5px; }
.card code { color: var(--emerald); font-size: 12.5px; background: rgba(52,211,153,.08); padding: 1px 5px; border-radius: 5px; }
.card__icon { width: 42px; height: 42px; border-radius: var(--r-sm); background: var(--aurora-soft); border: 1px solid var(--border); position: relative; }
.card__icon::after { content:""; position:absolute; inset:0; background-position:center; background-repeat:no-repeat; background-size:22px; }
.card__icon[data-i="manifest"]::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2334D399' stroke-width='1.8' stroke-linecap='round'%3E%3Crect x='4' y='3' width='16' height='18' rx='2'/%3E%3Cpath d='M8 8h8M8 12h8M8 16h5'/%3E%3C/svg%3E"); }
.card__icon[data-i="run"]::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232DD4BF' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 4l14 8-14 8z'/%3E%3C/svg%3E"); }
.card__icon[data-i="plug"]::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23A78BFA' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 2v6M15 2v6M7 8h10v3a5 5 0 0 1-10 0z M12 16v6'/%3E%3C/svg%3E"); }
.card__icon[data-i="id"]::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2334D399' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='8' r='4'/%3E%3Cpath d='M4 21a8 8 0 0 1 16 0'/%3E%3C/svg%3E"); }
.card__icon[data-i="surface"]::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234FD1C5' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='16' rx='2'/%3E%3Cpath d='M3 9h18M8 9v11'/%3E%3C/svg%3E"); }
.card__icon[data-i="shape"]::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%234FD1C5' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 3c4 0 7 2.5 7 6 0 2-1 3-1 5s2 2.5 1 4-4 3-7 3-6-1.5-7-3 1-2 1-4-1-3-1-5c0-3.5 3-6 7-6z'/%3E%3C/svg%3E"); }
.card__icon[data-i="lock"]::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%232DD4BF' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 2l8 4v6c0 5-3.5 8-8 10-4.5-2-8-5-8-10V6z'/%3E%3Cpath d='M9 12l2 2 4-4'/%3E%3C/svg%3E"); }
.card__icon[data-i="kit"]::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23A78BFA' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='7' height='7' rx='1.5'/%3E%3Crect x='14' y='3' width='7' height='7' rx='1.5'/%3E%3Crect x='3' y='14' width='7' height='7' rx='1.5'/%3E%3Crect x='14' y='14' width='7' height='7' rx='1.5'/%3E%3C/svg%3E"); }

/* ─── Flow diagram ────────────────────────────────────── */
.flow { display: flex; align-items: stretch; gap: 10px; flex-wrap: wrap; }
.flow__node {
  flex: 1 1 0; min-width: 170px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r);
  padding: 18px 16px; display: flex; flex-direction: column; gap: 4px;
}
.flow__node--core { border-color: rgba(52,211,153,.35); background: linear-gradient(180deg, rgba(52,211,153,.07), var(--bg-card)); box-shadow: 0 0 30px -12px rgba(52,211,153,.5); }
.flow__tag { font-family: var(--font-mono); font-size: 11px; text-transform: uppercase; letter-spacing: .1em; color: var(--teal); }
.flow__node strong { font-family: var(--font-head); font-size: 16px; }
.flow__node small { color: var(--text-mut); font-size: 12.5px; }
.flow__arrow { display: flex; align-items: center; color: var(--text-mut); font-size: 20px; padding: 0 2px; }
.how__points { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 40px; }
.how__point { display: flex; gap: 14px; }
.how__num { font-family: var(--font-mono); color: var(--violet); font-size: 14px; padding-top: 2px; }
.how__point p { color: var(--text-dim); font-size: 14.5px; }
.how__point strong { color: var(--text); }
.how__point code, .lede code, .cat__foot code, .value code { color: var(--emerald); font-size: 12.5px; background: rgba(52,211,153,.08); padding: 1px 5px; border-radius: 5px; }

/* ─── Logo wall ───────────────────────────────────────── */
.logo-wall {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: 20px 44px; margin: 0 0 38px; padding: 8px 0;
}
.logo-wall__item { display: inline-flex; align-items: center; height: 32px; }
.logo-wall__item img {
  height: 100%; width: auto; max-width: 118px; display: block;
  filter: grayscale(1) brightness(1.5) opacity(.5); transition: filter .25s, transform .2s, opacity .25s;
}
.logo-wall__item img:hover { filter: none; opacity: 1; transform: translateY(-2px); }

/* ─── Install strip ───────────────────────────────────── */
.install-strip {
  display: flex; align-items: center; gap: 12px; background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--r); padding: 14px 18px; margin-bottom: 34px; overflow-x: auto;
}
.install-strip--mt { margin-top: 38px; margin-bottom: 18px; }
.install-strip code { color: var(--text); font-size: 14px; white-space: nowrap; }
.install-strip .c-prompt { color: var(--teal); }
.copy--inline { margin-left: auto; }

/* ─── Integration categories ──────────────────────────── */
.cat { display: grid; gap: 28px; }
.cat__title { font-size: 14px; color: var(--text-dim); font-weight: 500; margin-bottom: 14px; font-family: var(--font-mono); letter-spacing: .03em; }
.chips { display: flex; flex-wrap: wrap; gap: 12px; }
.chip {
  display: inline-flex; align-items: center; gap: 11px; min-width: 150px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-sm);
  padding: 11px 15px; transition: transform .18s, border-color .18s, background .18s;
}
.chip[data-c="cloud"] { --c: #34D399; } .chip[data-c="obs"] { --c: #2DD4BF; }
.chip[data-c="pay"] { --c: #A78BFA; } .chip[data-c="comm"] { --c: #FBBF24; } .chip[data-c="data"] { --c: #60A5FA; }
.chip:hover { transform: translateY(-3px); border-color: var(--border-h); background: var(--bg-card-h); }
.chip__ico {
  flex: none; width: 30px; height: 30px; border-radius: 8px; display: flex; align-items: center; justify-content: center;
  background: rgba(255,255,255,.05); border: 1px solid var(--border); overflow: hidden;
}
.chip__ico img { width: 19px; height: 19px; object-fit: contain; }
.chip__ico--mono {
  font-family: var(--font-head); font-weight: 600; font-size: 14px; color: var(--c, var(--brand));
  background: color-mix(in srgb, var(--c, var(--brand)) 14%, transparent);
  border-color: color-mix(in srgb, var(--c, var(--brand)) 32%, transparent);
}
.chip__txt { display: flex; flex-direction: column; gap: 1px; min-width: 0; }
.chip__txt b { font-family: var(--font-head); font-size: 14.5px; font-weight: 600; }
.chip__txt small { color: var(--text-mut); font-size: 11.5px; }
.cat__foot { margin-top: 32px; color: var(--text-dim); font-size: 14.5px; }
.cat__foot a { color: var(--emerald); border-bottom: 1px solid rgba(52,211,153,.3); }
.cat__foot a:hover { border-color: var(--emerald); }

/* ─── CLI section ─────────────────────────────────────── */
.cli__wrap { display: grid; grid-template-columns: 1fr 1.05fr; gap: 54px; align-items: center; }
.cli__copy h2 { font-size: clamp(26px, 4vw, 38px); margin: 14px 0 0; }
.cli__list { list-style: none; margin-top: 26px; display: flex; flex-direction: column; gap: 12px; }
.cli__list li { color: var(--text-dim); font-size: 14.5px; padding-left: 24px; position: relative; }
.cli__list li::before { content:"›"; position:absolute; left:6px; color: var(--emerald); font-weight: 700; }
.cli__list code { color: var(--emerald); font-size: 13px; background: rgba(52,211,153,.08); padding: 1px 6px; border-radius: 5px; }

/* ─── Compare table ───────────────────────────────────── */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--r); }
.compare { width: 100%; border-collapse: collapse; min-width: 640px; }
.compare th, .compare td { padding: 15px 18px; text-align: left; border-bottom: 1px solid var(--border); font-size: 14.5px; }
.compare thead th { font-family: var(--font-head); font-weight: 600; color: var(--text); background: rgba(255,255,255,.02); }
.compare tbody th { font-weight: 450; color: var(--text-dim); }
.compare td { text-align: center; }
.compare .is-us { background: rgba(52,211,153,.05); }
.compare thead .is-us { color: var(--emerald); }
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: 0; }
.yes { color: var(--emerald); font-weight: 700; } .no { color: var(--text-mut); } .mid { color: var(--yellow); font-size: 13px; }

.value { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-top: 34px; }
.value__item { padding: 22px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r); }
.value__item h4 { font-size: 17px; margin-bottom: 8px; }
.value__item p { color: var(--text-dim); font-size: 14px; }

/* ─── CTA ─────────────────────────────────────────────── */
.cta { padding: 100px 0; position: relative; overflow: hidden; }
.cta::before { content:""; position:absolute; inset:0; background: radial-gradient(60% 80% at 50% 0%, rgba(52,211,153,.1), transparent 60%); pointer-events:none; }
.cta__inner { position: relative; text-align: center; max-width: 720px; margin: 0 auto; }
.cta__title { font-size: clamp(28px, 5vw, 46px); font-weight: 700; }
.cta__sub { color: var(--text-dim); margin: 14px 0 36px; font-size: 17px; }
.cta__actions { display: flex; gap: 14px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.terminal--cta { max-width: 560px; margin: 0 auto; text-align: left; }

/* ─── Footer ──────────────────────────────────────────── */
.footer { border-top: 1px solid var(--border); padding: 56px 0 28px; background: var(--bg-elev); }
.footer__inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 32px; }
.footer__tag { color: var(--text-mut); font-size: 13.5px; margin-top: 14px; max-width: 280px; }
.footer__col h5 { font-size: 13px; color: var(--text); margin-bottom: 14px; text-transform: uppercase; letter-spacing: .08em; font-family: var(--font-mono); }
.footer__col a { display: block; color: var(--text-dim); font-size: 14px; padding: 4px 0; transition: color .2s; }
.footer__col a:hover { color: var(--text); }
.footer__bottom { display: flex; justify-content: space-between; margin-top: 44px; padding-top: 22px; border-top: 1px solid var(--border); color: var(--text-mut); font-size: 13px; }

/* ─── Reveal on scroll ────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } .pill__dot { animation: none; } }

/* ─── Responsive ──────────────────────────────────────── */
@media (max-width: 940px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .how__points { grid-template-columns: 1fr; }
  .cli__wrap { grid-template-columns: 1fr; gap: 36px; }
  .value { grid-template-columns: 1fr; }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
  .flow__arrow { transform: rotate(90deg); width: 100%; justify-content: center; }
  .flow__node { min-width: 100%; }
}
@media (max-width: 720px) {
  .nav__links, .nav__cta .btn--sm:not(:last-child) { display: none; }
  .nav__burger { display: flex; }
  .nav.is-open .nav__links {
    display: flex; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; gap: 0;
    background: rgba(10,14,15,.97); backdrop-filter: blur(14px); border-bottom: 1px solid var(--border); padding: 8px 24px 20px;
  }
  .nav.is-open .nav__links a { padding: 13px 0; border-bottom: 1px solid var(--border); }
  .nav.is-open .nav__burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav.is-open .nav__burger span:nth-child(2) { opacity: 0; }
  .nav.is-open .nav__burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .hero { padding: 64px 0 60px; }
  .section { padding: 68px 0; }
  .grid--4, .grid--3 { grid-template-columns: 1fr; }
  .logo-wall { gap: 18px 28px; }
  .logo-wall__item { height: 26px; }
  .footer__inner { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; gap: 8px; text-align: center; }
}