/* ============================================================
   DigiPlanet — Enterprise Technology Execution Partner
   Design system: dark-mode primary + light toggle
   ============================================================ */

:root {
  --bg: #0B0F14;
  --bg-elev: #10161F;
  --card: #131B26;
  --card-hover: #17202C;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #E8EEF5;
  --text-strong: #FFFFFF;
  --muted: #96A3B2;
  --muted-2: #6E7C8C;
  --accent: #4C8DFF;
  --accent-2: #22D3EE;
  --accent-3: #7C6BFF;
  --accent-soft: rgba(76, 141, 255, 0.12);
  --success: #34D399;
  --warn: #FBBF24;
  --danger: #F87171;
  --grad: linear-gradient(120deg, #4C8DFF 0%, #22D3EE 60%, #7C6BFF 100%);
  --grad-text: linear-gradient(100deg, #7FB0FF 0%, #58E7F0 100%);
  --shadow: 0 18px 50px -20px rgba(0, 0, 0, 0.7);
  --shadow-sm: 0 8px 24px -12px rgba(0, 0, 0, 0.6);
  --radius: 16px;
  --radius-sm: 10px;
  --maxw: 1180px;
  --font: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

[data-theme="light"] {
  --bg: #FFFFFF;
  --bg-elev: #F5F8FC;
  --card: #FFFFFF;
  --card-hover: #F7FAFF;
  --border: rgba(9, 20, 38, 0.10);
  --border-strong: rgba(9, 20, 38, 0.18);
  --text: #14202E;
  --text-strong: #071018;
  --muted: #55636F;
  --muted-2: #7B8894;
  --accent: #1F6FEB;
  --accent-2: #0EA5C4;
  --accent-3: #6D5AE6;
  --accent-soft: rgba(31, 111, 235, 0.10);
  --grad-text: linear-gradient(100deg, #1F6FEB 0%, #0EA5C4 100%);
  --shadow: 0 20px 44px -24px rgba(15, 40, 80, 0.28);
  --shadow-sm: 0 10px 26px -16px rgba(15, 40, 80, 0.22);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  transition: background .4s var(--ease), color .4s var(--ease);
}

/* Ambient background glow */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(60% 55% at 78% -5%, rgba(76, 141, 255, 0.16), transparent 60%),
    radial-gradient(48% 45% at 8% 8%, rgba(124, 107, 255, 0.12), transparent 60%);
  pointer-events: none;
}
[data-theme="light"] body::before {
  background:
    radial-gradient(60% 55% at 82% -8%, rgba(31, 111, 235, 0.10), transparent 60%),
    radial-gradient(48% 45% at 5% 6%, rgba(14, 165, 196, 0.08), transparent 60%);
}

a { color: var(--accent); text-decoration: none; }
img { max-width: 100%; display: block; }

h1, h2, h3, h4 { color: var(--text-strong); line-height: 1.12; letter-spacing: -0.02em; margin: 0; }
p { margin: 0 0 1rem; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.section { padding: 88px 0; }
.section-sm { padding: 56px 0; }
.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: .74rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 22px; height: 1px; background: var(--accent); opacity: .7; }
.lead { font-size: 1.18rem; color: var(--muted); max-width: 62ch; }
.text-grad { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 13px 24px; border-radius: 999px; font-weight: 600; font-size: .95rem;
  cursor: pointer; border: 1px solid transparent; transition: all .25s var(--ease);
  white-space: nowrap;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 10px 26px -12px rgba(76, 141, 255, .7); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -12px rgba(76, 141, 255, .8); }
.btn-ghost { background: transparent; color: var(--text-strong); border-color: var(--border-strong); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
.btn-row { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-row.center { justify-content: center; }

/* ---------- Navigation ---------- */
.nav {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 78%, transparent);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 20px; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text-strong); font-size: 1.12rem; letter-spacing: -.02em; }
.brand .logo { width: 30px; height: 30px; }
.brand b { background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a {
  color: var(--muted); font-weight: 500; font-size: .92rem; padding: 8px 12px; border-radius: 8px;
  transition: color .2s, background .2s;
}
.nav-links a:hover, .nav-links a.active { color: var(--text-strong); background: var(--accent-soft); }
.nav-actions { display: flex; align-items: center; gap: 10px; }
.theme-toggle {
  width: 40px; height: 40px; border-radius: 999px; border: 1px solid var(--border-strong);
  background: transparent; color: var(--text); cursor: pointer; display: grid; place-items: center;
  transition: all .25s var(--ease);
}
.theme-toggle:hover { border-color: var(--accent); color: var(--accent); }
.theme-toggle svg { width: 18px; height: 18px; }
.theme-toggle .moon { display: none; }
[data-theme="light"] .theme-toggle .sun { display: none; }
[data-theme="light"] .theme-toggle .moon { display: block; }
.hamburger { display: none; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--border-strong); background: transparent; color: var(--text); cursor: pointer; }

/* Dropdown */
.has-drop { position: relative; }
.drop {
  position: absolute; top: calc(100% + 10px); left: 0; min-width: 260px;
  background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 8px;
  box-shadow: var(--shadow); opacity: 0; visibility: hidden; transform: translateY(8px);
  transition: all .2s var(--ease);
}
.has-drop:hover .drop { opacity: 1; visibility: visible; transform: translateY(0); }
.drop a { display: block; padding: 10px 12px; border-radius: 9px; color: var(--text); }
.drop a span { display: block; font-size: .78rem; color: var(--muted); font-weight: 400; }

/* ---------- Hero ---------- */
.hero { position: relative; padding: 116px 0 96px; overflow: hidden; }
.hero-grid {
  position: absolute; inset: 0; z-index: -1; opacity: .5;
  background-image: linear-gradient(var(--border) 1px, transparent 1px), linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: radial-gradient(70% 60% at 50% 20%, #000 20%, transparent 75%);
  -webkit-mask-image: radial-gradient(70% 60% at 50% 20%, #000 20%, transparent 75%);
}
.hero h1 { font-size: clamp(2.4rem, 6vw, 4.2rem); font-weight: 800; letter-spacing: -.035em; }
.hero h1 .line { display: block; }
.hero .sub { font-size: clamp(1.05rem, 2vw, 1.28rem); color: var(--muted); max-width: 60ch; margin: 26px 0 32px; }
.hero-sm { padding: 80px 0 56px; }
.hero-sm h1 { font-size: clamp(2rem, 5vw, 3.2rem); }

/* ---------- Trust / stat strip ---------- */
.stat-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.stat-strip.four { grid-template-columns: repeat(4, 1fr); }
.stat { background: var(--bg-elev); padding: 30px 28px; }
.stat-num { font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.stat h4 { font-size: 1.22rem; margin: 12px 0 8px; }
.stat p { color: var(--muted); margin: 0; font-size: .95rem; }
.stat .big { font-size: 2.4rem; font-weight: 800; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }

/* ---------- Cards ---------- */
.grid { display: grid; gap: 20px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: all .3s var(--ease); position: relative; overflow: hidden;
}
.card:hover { border-color: var(--border-strong); background: var(--card-hover); transform: translateY(-4px); box-shadow: var(--shadow-sm); }
a.card { color: inherit; display: block; }
a.card::after {
  content: "→"; position: absolute; top: 24px; right: 24px; color: var(--accent);
  opacity: 0; transform: translateX(-6px); transition: all .25s var(--ease); font-size: 1.1rem;
}
a.card:hover::after { opacity: 1; transform: translateX(0); }
.card .icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--accent-soft); color: var(--accent); margin-bottom: 18px;
}
.card .icon svg { width: 22px; height: 22px; }
.card h3 { font-size: 1.16rem; margin-bottom: 10px; }
.card p { color: var(--muted); margin: 0; font-size: .96rem; }
.card .num { font-size: .8rem; font-weight: 700; letter-spacing: .12em; color: var(--accent); margin-bottom: 14px; }

/* ---------- Journey stepper ---------- */
.stepper { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.stepper.four { grid-template-columns: repeat(4, 1fr); }
.step { padding: 28px 24px; border-right: 1px solid var(--border); position: relative; }
.step:last-child { border-right: none; }
.step .s-num { font-size: .74rem; font-weight: 700; color: var(--accent); letter-spacing: .12em; }
.step h4 { font-size: 1.3rem; margin: 12px 0 8px; }
.step p { color: var(--muted); margin: 0; font-size: .92rem; }
.step::after { content: "→"; position: absolute; right: -9px; top: 34px; color: var(--accent); background: var(--bg); padding: 0 2px; z-index: 2; }
.step:last-child::after { display: none; }

/* ---------- Manifesto / pull quote ---------- */
.manifesto { max-width: 900px; margin: 0 auto; text-align: center; }
.manifesto p { font-size: clamp(1.3rem, 3vw, 1.9rem); line-height: 1.4; color: var(--text-strong); font-weight: 500; letter-spacing: -.01em; }

/* ---------- Checklist ---------- */
.checklist { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; list-style: none; padding: 0; margin: 0; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; padding: 16px 18px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text); }
.checklist li::before { content: ""; flex: none; width: 22px; height: 22px; border-radius: 999px; background: var(--accent-soft); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%234C8DFF' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: center; margin-top: 1px; }
.checklist.flags li::before { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23FBBF24' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 9v4M12 17h.01M10.29 3.86 1.82 18a2 2 0 0 0 1.71 3h16.94a2 2 0 0 0 1.71-3L13.71 3.86a2 2 0 0 0-3.42 0z'/%3E%3C/svg%3E"); background-color: rgba(251,191,36,.12); }

/* ---------- Chips ---------- */
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chip { padding: 9px 16px; border-radius: 999px; border: 1px solid var(--border-strong); background: var(--card); color: var(--text); font-size: .9rem; font-weight: 500; transition: all .2s; }
.chip:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Accordion (FAQ) ---------- */
.accordion { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--card); }
.acc-item { border-bottom: 1px solid var(--border); }
.acc-item:last-child { border-bottom: none; }
.acc-head { width: 100%; text-align: left; background: transparent; border: none; color: var(--text-strong); font-family: inherit; font-size: 1.05rem; font-weight: 600; padding: 22px 24px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.acc-head .plus { flex: none; width: 22px; height: 22px; position: relative; transition: transform .3s var(--ease); }
.acc-head .plus::before, .acc-head .plus::after { content: ""; position: absolute; background: var(--accent); border-radius: 2px; top: 50%; left: 50%; transform: translate(-50%,-50%); }
.acc-head .plus::before { width: 14px; height: 2px; }
.acc-head .plus::after { width: 2px; height: 14px; transition: transform .3s var(--ease); }
.acc-item.open .plus::after { transform: translate(-50%,-50%) scaleY(0); }
.acc-body { max-height: 0; overflow: hidden; transition: max-height .35s var(--ease); }
.acc-body-inner { padding: 0 24px 22px; color: var(--muted); max-width: 78ch; }

/* ---------- Versus strip ---------- */
.versus { display: grid; grid-template-columns: 1fr auto 1fr; gap: 0; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.versus .col { padding: 12px 0; }
.versus .col.old { background: var(--bg-elev); }
.versus .col.new { background: linear-gradient(180deg, var(--accent-soft), transparent); }
.versus .vhead { padding: 18px 26px; font-weight: 700; color: var(--text-strong); border-bottom: 1px solid var(--border); }
.versus .col.old .vhead { color: var(--muted); }
.versus .vrow { padding: 15px 26px; border-bottom: 1px solid var(--border); color: var(--text); font-size: .96rem; }
.versus .col.old .vrow { color: var(--muted); }
.versus .vrow:last-child { border-bottom: none; }
.versus .mid { display: grid; place-items: center; padding: 0 6px; color: var(--accent); background: var(--bg-elev); }

/* ---------- Two-panel (see it / close it) ---------- */
.panels { display: grid; grid-template-columns: 1fr auto 1fr; gap: 0; align-items: stretch; }
.panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 34px; }
.panel .tag { font-size: .74rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.panel h3 { font-size: 1.5rem; margin: 12px 0 12px; }
.panel p { color: var(--muted); margin: 0; }
.panel.framed { border-color: var(--border-strong); }
.arrow-mid { display: grid; place-items: center; padding: 0 20px; color: var(--accent); font-size: 1.6rem; }

/* ---------- Layered stack diagram ---------- */
.stack { display: flex; flex-direction: column; gap: 14px; max-width: 780px; margin: 0 auto; }
.layer { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px 28px; position: relative; transition: all .3s var(--ease); }
.layer:hover { border-color: var(--accent); transform: translateX(6px); }
.layer .l-tag { font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); }
.layer h3 { font-size: 1.2rem; margin: 8px 0 6px; }
.layer p { color: var(--muted); margin: 0; font-size: .95rem; }
.layer .l-arrow { text-align: center; color: var(--accent); font-size: 1.3rem; margin: 2px 0 -6px; }

/* ---------- Timeline band ---------- */
.timeline { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.tl { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; position: relative; }
.tl .wk { font-size: .74rem; font-weight: 700; letter-spacing: .1em; color: var(--accent); text-transform: uppercase; }
.tl h4 { font-size: 1.15rem; margin: 10px 0 8px; }
.tl p { color: var(--muted); font-size: .9rem; margin: 0; }

/* ---------- Dashboard mock ---------- */
.dash { background: var(--card); border: 1px solid var(--border-strong); border-radius: var(--radius); padding: 30px; box-shadow: var(--shadow); }
.dials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-bottom: 26px; }
.dial { text-align: center; }
.dial svg { width: 120px; height: 120px; }
.dial .dlabel { font-size: .82rem; color: var(--muted); margin-top: 6px; font-weight: 500; }
.dial .dscore { font-size: 1.7rem; font-weight: 800; fill: var(--text-strong); }
.exposure-rows { display: grid; gap: 10px; }
.exp-row { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.exp-row .exp-label { color: var(--text); font-size: .95rem; }
.exp-row .exp-chip { font-weight: 700; font-size: .9rem; padding: 4px 12px; border-radius: 999px; }
.exp-chip.low { color: var(--success); background: rgba(52,211,153,.12); }
.exp-chip.med { color: var(--warn); background: rgba(251,191,36,.12); }
.exp-chip.high { color: var(--danger); background: rgba(248,113,113,.14); }

/* ---------- Stat counters (COGS) ---------- */
.counters { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.counter { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 30px; }
.counter .ctitle { font-size: .8rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 18px; }
.counter .cbig { font-size: 2.6rem; font-weight: 800; background: var(--grad-text); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; line-height: 1; }
.counter .cmeta { display: flex; gap: 24px; margin-top: 16px; flex-wrap: wrap; }
.counter .cmeta div span { display: block; font-size: .78rem; color: var(--muted); }
.counter .cmeta div b { font-size: 1.2rem; color: var(--text-strong); }

/* ---------- Leadership cards ---------- */
.lead-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
.lead-card .avatar { width: 54px; height: 54px; border-radius: 14px; background: var(--grad); display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 1.2rem; margin-bottom: 16px; }
.lead-card h4 { font-size: 1.15rem; }
.lead-card .role { color: var(--accent); font-size: .9rem; font-weight: 600; margin: 4px 0 12px; }
.lead-card p { color: var(--muted); font-size: .9rem; margin: 0 0 10px; }
.lead-card .kv { font-size: .85rem; color: var(--muted); }
.lead-card .kv b { color: var(--text); font-weight: 600; }

/* ---------- Form ---------- */
.form-wrap { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.form { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.field { margin-bottom: 18px; }
.field label { display: block; font-size: .88rem; font-weight: 600; color: var(--text); margin-bottom: 7px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 13px 15px; border-radius: var(--radius-sm); border: 1px solid var(--border-strong);
  background: var(--bg-elev); color: var(--text); font-family: inherit; font-size: .96rem; transition: border .2s;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 84px; }
.form-note { font-size: .84rem; color: var(--muted); margin-top: 6px; }
.form-success { display: none; padding: 20px; border-radius: var(--radius-sm); background: rgba(52,211,153,.1); border: 1px solid rgba(52,211,153,.3); color: var(--success); font-weight: 500; }

/* ---------- Industries ---------- */
.ind { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: all .3s var(--ease); }
.ind:hover { border-color: var(--border-strong); transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.ind h3 { font-size: 1.2rem; margin-bottom: 10px; display: flex; align-items: center; gap: 10px; }
.ind h3 .icon { width: 38px; height: 38px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); display: grid; place-items: center; }
.ind h3 .icon svg { width: 20px; height: 20px; }
.ind p { color: var(--muted); margin: 0; font-size: .95rem; }

/* ---------- Footer ---------- */
.footer { border-top: 1px solid var(--border); background: var(--bg-elev); padding: 64px 0 34px; margin-top: 40px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 44px; }
.footer h5 { font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; color: var(--muted-2); margin: 0 0 16px; }
.footer a { display: block; color: var(--muted); font-size: .93rem; padding: 5px 0; }
.footer a:hover { color: var(--accent); }
.footer .posline { color: var(--text); font-size: .96rem; max-width: 42ch; margin: 14px 0 0; }
.footer .about-facts { font-size: .88rem; color: var(--muted); margin-top: 16px; line-height: 1.7; }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; color: var(--muted-2); font-size: .86rem; }

/* ---------- Breadcrumb ---------- */
.crumb { font-size: .85rem; color: var(--muted); padding: 22px 0 0; }
.crumb a { color: var(--muted); }
.crumb a:hover { color: var(--accent); }
.crumb span { color: var(--text); }

/* ---------- CTA band ---------- */
.cta-band { background: var(--card); border: 1px solid var(--border-strong); border-radius: 22px; padding: 56px; text-align: center; position: relative; overflow: hidden; }
.cta-band::before { content: ""; position: absolute; inset: 0; background: var(--grad); opacity: .07; }
.cta-band h2 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin-bottom: 14px; position: relative; }
.cta-band p { position: relative; color: var(--muted); max-width: 56ch; margin: 0 auto 26px; }

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(22px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } }

/* ---------- Section heading block ---------- */
.sec-head { max-width: 720px; margin-bottom: 40px; }
.sec-head.center { margin-left: auto; margin-right: auto; }
.sec-head h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 800; margin-bottom: 16px; }

/* ---------- Responsive ---------- */
@media (max-width: 940px) {
  .nav-links { display: none; }
  .hamburger { display: grid; place-items: center; }
  .nav.open .nav-links {
    display: flex; flex-direction: column; align-items: stretch; position: absolute; top: 68px; left: 0; right: 0;
    background: var(--bg-elev); border-bottom: 1px solid var(--border); padding: 12px 24px 20px; gap: 2px;
  }
  .nav.open .nav-links a { padding: 12px; }
  .has-drop .drop { position: static; opacity: 1; visibility: visible; transform: none; box-shadow: none; border: none; padding: 0 0 0 12px; background: transparent; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .stat-strip, .stat-strip.four, .stepper, .stepper.four, .timeline { grid-template-columns: 1fr 1fr; }
  .step { border-right: none; border-bottom: 1px solid var(--border); }
  .step::after { display: none; }
  .form-wrap, .counters { grid-template-columns: 1fr; }
  .panels, .versus { grid-template-columns: 1fr; }
  .versus .mid, .arrow-mid { padding: 14px; transform: rotate(90deg); }
  .dials { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 620px) {
  .section { padding: 60px 0; }
  .grid-3, .grid-4, .grid-2, .checklist, .stat-strip, .stat-strip.four, .stepper, .stepper.four, .timeline { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .cta-band { padding: 36px 24px; }
  .btn-row { flex-direction: column; }
  .btn { width: 100%; }
}