/* ════════════════════════════════════════════════════════════
   DIRECTION 03 — ATRIUM
   Premium consulting. Generous whitespace, all-sans,
   deep emerald, slow drifting gradient field.
   ════════════════════════════════════════════════════════════ */

.dir--atrium {
  --bg: #0b1014;
  --bg-2: #0f161c;
  --bg-3: #131b22;
  --line: rgba(255,255,255,.06);
  --line-2: rgba(255,255,255,.13);
  --text: #ecf1f5;
  --text-2: #9aa7b3;
  --text-3: #5f6c78;
  --accent: #2ec09a;
  --accent-deep: #1a8b6f;
  --accent-glow: rgba(46,192,154,.18);

  background: var(--bg);
  color: var(--text);
  font-family: "Hanken Grotesk", ui-sans-serif, system-ui, sans-serif;
  border-top: 1px solid rgba(0,0,0,.4);
}

/* Ambient drifting gradient blobs */
.at-field {
  position: absolute; inset: -10%; z-index: 0; pointer-events: none;
  background:
    radial-gradient(ellipse 600px 500px at 20% 30%, rgba(46,192,154,.13), transparent 60%),
    radial-gradient(ellipse 500px 400px at 80% 70%, rgba(46,192,154,.08), transparent 60%),
    radial-gradient(ellipse 700px 500px at 50% 100%, rgba(30,140,200,.06), transparent 60%);
  animation: at-drift 30s ease-in-out infinite alternate;
  filter: blur(8px);
}
@keyframes at-drift {
  0%   { transform: translate3d(0,0,0) scale(1); }
  50%  { transform: translate3d(-40px, 20px, 0) scale(1.05); }
  100% { transform: translate3d(30px, -30px, 0) scale(1.02); }
}

.dir--atrium .ambient-cursor {
  background: radial-gradient(circle 360px at var(--mx, 50%) var(--my, 50%),
    rgba(46,192,154,.10) 0%, transparent 60%);
}

.dir--atrium .mono {
  font-family: "DM Mono", ui-monospace, "JetBrains Mono", monospace;
  font-size: 11px; letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--text-3);
}

.dir--atrium .dir-header__tag { color: var(--accent); font-family: "DM Mono", monospace; }
.dir--atrium .dir-header__sys { color: var(--text-2); }
.dir--atrium .dir-header__sys dt { color: var(--accent); opacity: 1; font-family: "DM Mono", monospace; }

/* ── HERO — generous, centered narrative ───────────────────── */
.at-hero {
  padding-top: 40px;
  padding-bottom: 120px;
}
.at-hero__wrap {
  display: flex; flex-direction: column; gap: 60px;
}
.at-hero__top { display: flex; gap: 14px; align-items: center; color: var(--text-3); }
.at-hero__top .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(46,192,154,.18); animation: at-pulse 2.4s ease-in-out infinite; }
@keyframes at-pulse { 0%, 100% { box-shadow: 0 0 0 4px rgba(46,192,154,.18); } 50% { box-shadow: 0 0 0 10px rgba(46,192,154,.04); } }

.at-hero h1 {
  font-size: clamp(48px, 7vw, 108px);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.035em;
  max-width: 14ch;
}
.at-hero h1 .grad {
  background: linear-gradient(120deg, var(--accent) 0%, #7cd9c0 60%, var(--accent) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: at-shift 10s ease-in-out infinite;
}
@keyframes at-shift { 0%, 100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }

.at-hero__split {
  display: grid; grid-template-columns: 1fr 380px; gap: 80px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
@media (max-width: 900px) { .at-hero__split { grid-template-columns: 1fr; gap: 40px; } }

.at-hero__lede { font-size: clamp(18px, 1.5vw, 22px); line-height: 1.55; color: var(--text-2); max-width: 36ch; padding-top: 24px; }
.at-hero__lede strong { color: var(--text); font-weight: 500; }

.at-hero__metrics { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; padding-top: 24px; padding-top: 0; }
.at-hero__metric {
  background: rgba(15,22,28,.7);
  backdrop-filter: blur(8px);
  padding: 22px 20px;
  transition: background .3s;
}
.at-hero__metric:hover { background: rgba(20,30,38,.9); }
.at-hero__metric .mono { font-size: 10px; color: var(--text-3); }
.at-hero__metric-val {
  font-size: 32px; font-weight: 500;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-top: 8px;
  font-variant-numeric: tabular-nums;
}
.at-hero__metric-val span { color: var(--accent); font-size: 18px; margin-left: 2px; }
.at-hero__metric-sub { font-size: 12px; color: var(--text-3); margin-top: 4px; }

.at-hero__ctas { display: flex; gap: 14px; flex-wrap: wrap; }
.at-btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 16px 26px;
  font-family: "Hanken Grotesk", sans-serif;
  font-size: 15px; font-weight: 500;
  color: var(--bg);
  background: var(--accent);
  border-radius: 999px;
  transition: background .3s, transform .3s, gap .3s;
  position: relative;
  overflow: hidden;
}
.at-btn:hover { background: #7cd9c0; gap: 14px; }
.at-btn--ghost { background: transparent; color: var(--text); box-shadow: inset 0 0 0 1px var(--line-2); }
.at-btn--ghost:hover { background: rgba(255,255,255,.04); box-shadow: inset 0 0 0 1px var(--text-2); color: var(--text); }
.at-btn .arrow { transition: transform .3s; }
.at-btn:hover .arrow { transform: translateX(2px); }

/* ── SERVICES — large cards with hover lift, no glow ───────── */
.at-services .wrap { display: flex; flex-direction: column; gap: 48px; }
.at-services__head {
  display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: end;
}
@media (max-width: 900px) { .at-services__head { grid-template-columns: 1fr; gap: 24px; } }
.at-services__head h2 {
  font-size: clamp(32px, 4vw, 52px); font-weight: 500;
  letter-spacing: -0.025em; line-height: 1.05;
}
.at-services__head h2 em { font-style: normal; color: var(--accent); }
.at-services__head p { font-size: 16px; color: var(--text-2); line-height: 1.6; max-width: 44ch; }

.at-services__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 700px) { .at-services__grid { grid-template-columns: 1fr; } }

.at-svc {
  position: relative;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 36px 32px;
  min-height: 280px;
  display: flex; flex-direction: column; gap: 12px;
  cursor: pointer;
  transition: transform .4s cubic-bezier(.2,.7,.2,1), border-color .4s, background .4s;
  overflow: hidden;
}
.at-svc::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(circle 240px at var(--cx, 50%) var(--cy, 50%), rgba(46,192,154,.10), transparent 60%);
  opacity: 0; transition: opacity .35s;
  pointer-events: none;
}
.at-svc:hover { transform: translateY(-3px); border-color: var(--line-2); background: var(--bg-3); }
.at-svc:hover::before { opacity: 1; }

.at-svc__head { display: flex; justify-content: space-between; align-items: start; }
.at-svc__icon {
  width: 44px; height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(46,192,154,.18), rgba(46,192,154,.04));
  border: 1px solid var(--line-2);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent);
  transition: transform .4s;
}
.at-svc:hover .at-svc__icon { transform: rotate(-6deg) scale(1.05); }
.at-svc__num {
  font-family: "DM Mono", monospace; font-size: 11px; letter-spacing: 0.15em; color: var(--text-3);
}
.at-svc h3 {
  font-size: 24px; font-weight: 500;
  letter-spacing: -0.02em; line-height: 1.2;
  margin-top: 16px;
}
.at-svc p { font-size: 15px; line-height: 1.55; color: var(--text-2); max-width: 38ch; }
.at-svc__foot {
  margin-top: auto;
  padding-top: 20px;
  display: flex; align-items: center; justify-content: space-between;
  font-family: "DM Mono", monospace;
  font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--text-3);
  transition: color .3s;
}
.at-svc:hover .at-svc__foot { color: var(--accent); }
.at-svc__foot .arrow { transition: transform .3s; }
.at-svc:hover .at-svc__foot .arrow { transform: translateX(4px); }

/* ── BLOG — horizontally drifting feature + clean cards ─── */
.at-blog .wrap { display: flex; flex-direction: column; gap: 48px; }
.at-blog__head { display: flex; justify-content: space-between; align-items: end; }
.at-blog__head h2 { font-size: clamp(32px, 4vw, 52px); font-weight: 500; letter-spacing: -0.025em; }
.at-blog__head h2 em { color: var(--accent); font-style: normal; }
.at-blog__head a {
  font-family: "DM Mono", monospace; font-size: 12px; letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-2); display: inline-flex; gap: 8px; align-items: center;
  transition: color .25s, gap .25s;
}
.at-blog__head a:hover { color: var(--accent); gap: 12px; }

.at-blog__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 16px; }
@media (max-width: 900px) { .at-blog__grid { grid-template-columns: 1fr; } }

.at-art {
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  display: flex; flex-direction: column;
  cursor: pointer;
  transition: transform .4s cubic-bezier(.2,.7,.2,1), border-color .4s, background .4s;
}
.at-art:hover { transform: translateY(-3px); border-color: var(--line-2); background: var(--bg-3); }

.at-art__art {
  height: 220px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 60% 50% at 70% 30%, rgba(46,192,154,.35), transparent 70%),
    radial-gradient(ellipse 50% 60% at 20% 70%, rgba(30,140,200,.15), transparent 70%),
    linear-gradient(135deg, #1a2530, #0e151c);
}
.at-art__art::before {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(circle 1px at 50% 50%, rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 16px 16px;
}
.at-art__art-tag {
  position: absolute; top: 16px; left: 16px;
  font-family: "DM Mono", monospace; font-size: 10px;
  letter-spacing: 0.18em; text-transform: uppercase;
  padding: 6px 10px;
  background: rgba(11,16,20,.6);
  backdrop-filter: blur(6px);
  border-radius: 999px;
  color: var(--text);
}
.at-art__body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.at-art__meta { display: flex; gap: 14px; font-family: "DM Mono", monospace; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); }
.at-art h3 { font-size: 22px; font-weight: 500; letter-spacing: -0.015em; line-height: 1.2; }
.at-art p { font-size: 14px; line-height: 1.55; color: var(--text-2); }
.at-art--feature .at-art__art { height: 320px; }
.at-art--feature h3 { font-size: 28px; }
.at-art--feature p { font-size: 15px; }
.at-art__foot {
  margin-top: auto; padding-top: 14px;
  display: flex; gap: 8px; align-items: center;
  font-family: "DM Mono", monospace; font-size: 11px;
  letter-spacing: 0.15em; text-transform: uppercase;
  color: var(--text-3);
  transition: color .3s, gap .3s;
}
.at-art:hover .at-art__foot { color: var(--accent); gap: 12px; }

/* ── SELF-SERVICE ─────────────────────────────────────────── */
.at-tool {
  position: relative;
}
.at-tool::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(ellipse 800px 400px at 50% 50%, rgba(46,192,154,.06), transparent 60%);
  pointer-events: none;
}
.at-tool .wrap {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1fr 1.1fr; gap: 80px; align-items: center;
}
@media (max-width: 900px) { .at-tool .wrap { grid-template-columns: 1fr; gap: 40px; } }

.at-tool__intro .mono { color: var(--accent); }
.at-tool__intro h2 { font-size: clamp(32px, 4vw, 56px); font-weight: 500; letter-spacing: -0.025em; line-height: 1.05; margin: 14px 0 18px; }
.at-tool__intro h2 em { font-style: normal; color: var(--accent); }
.at-tool__intro p { font-size: 16px; line-height: 1.6; color: var(--text-2); max-width: 40ch; }

.at-tool__card {
  background: linear-gradient(180deg, rgba(20,30,38,.9), rgba(15,22,28,.9));
  backdrop-filter: blur(10px);
  border: 1px solid var(--line-2);
  border-radius: 20px;
  padding: 32px;
  position: relative;
}
.at-tool__card-head {
  display: flex; justify-content: space-between; align-items: center;
  padding-bottom: 20px; border-bottom: 1px solid var(--line);
  margin-bottom: 8px;
}
.at-tool__card-head .mono { color: var(--accent); }
.at-tool__card-head .dots { display: flex; gap: 6px; }
.at-tool__card-head .dots i { width: 6px; height: 6px; border-radius: 50%; background: var(--line-2); display: block; }
.at-tool__card-head .dots i:first-child { background: var(--accent); }

.at-tool__row { padding: 18px 0; border-bottom: 1px solid var(--line); }
.at-tool__row:last-of-type { border-bottom: none; }
.at-tool__row label {
  display: flex; justify-content: space-between;
  font-size: 14px;
  color: var(--text);
  margin-bottom: 12px;
}
.at-tool__row label span { color: var(--accent); font-weight: 500; font-variant-numeric: tabular-nums; }
.at-tool__row input[type=range] {
  -webkit-appearance: none; appearance: none;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--accent) var(--pct, 50%), rgba(255,255,255,.08) var(--pct, 50%));
  border-radius: 999px;
  outline: none;
}
.at-tool__row input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px;
  background: var(--accent);
  border-radius: 50%;
  border: 4px solid var(--bg);
  cursor: pointer;
  transition: transform .2s;
}
.at-tool__row input[type=range]::-webkit-slider-thumb:hover { transform: scale(1.15); }
.at-tool__row input[type=range]::-moz-range-thumb {
  width: 18px; height: 18px; background: var(--accent); border-radius: 50%; border: 4px solid var(--bg); cursor: pointer;
}

.at-tool__out {
  margin-top: 18px;
  padding: 22px;
  background: rgba(46,192,154,.06);
  border-radius: 14px;
  border: 1px solid rgba(46,192,154,.18);
  display: grid; grid-template-columns: 1fr auto; align-items: center;
}
.at-tool__out-lbl { font-size: 13px; color: var(--text-2); }
.at-tool__out-lbl b { display: block; color: var(--text); font-weight: 500; font-size: 15px; margin-bottom: 2px; }
.at-tool__out-val {
  font-size: 52px; font-weight: 500;
  letter-spacing: -0.03em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}
.at-tool__out-val small { font-size: 18px; color: var(--text-2); margin-left: 4px; }

.dir--atrium .reveal { transition-duration: .9s; }