/* ═══════════════════════════════════════════════
   UNIVERSAL IT — STYLES.CSS
   Stack : Vanilla CSS · Font : Inter
   Theme : Premium minimal · Dark B2B
════════════════════════════════════════════════ */

/* ── Reset ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, sans-serif;
  background: #0b1120;
  color: #dce6f0;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img, svg { display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, select, textarea { font-family: inherit; }

/* ── Variables ───────────────────────────────── */
:root {
  /* Colors */
  --bg:        #0b1120;
  --bg-alt:    #0e1628;
  --surface:   #131f33;
  --surface-2: #1a2840;
  --border:    rgba(255,255,255,.07);
  --border-hi: rgba(255,255,255,.12);
  --text:      #dce6f0;
  --muted:     #708090;
  --dim:       #364758;

  --accent:    #38bdf8;
  --accent-bg: rgba(56,189,248,.1);
  --green:     #10b981;
  --green-bg:  rgba(16,185,129,.1);
  --red-soft:  #f87171;

  /* Layout */
  --max-w: 1080px;
  --pad-x: 1.5rem;

  /* Spacing */
  --s1: .5rem;
  --s2: 1rem;
  --s3: 1.5rem;
  --s4: 2rem;
  --s5: 3rem;
  --s6: 5rem;
  --s7: 8rem;

  /* Radii */
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;

  /* Transitions */
  --t: .18s ease;
  --t-med: .28s ease;
}

/* ── Container ───────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 var(--pad-x);
}

/* ── Typography ──────────────────────────────── */
h1, h2, h3 { font-weight: 700; line-height: 1.2; letter-spacing: -.02em; color: var(--text); }
h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); }
h3 { font-size: 1.05rem; }
p  { color: var(--muted); line-height: 1.75; }

/* ── Buttons ──────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  padding: .7rem 1.35rem;
  border-radius: var(--r-sm);
  font-weight: 600; font-size: .88rem; letter-spacing: .01em;
  cursor: pointer; transition: all var(--t); border: 1.5px solid transparent;
  white-space: nowrap;
}
.btn--primary {
  background: var(--accent); color: #060f1a; border-color: var(--accent);
}
.btn--primary:hover {
  background: #7dd3fc; border-color: #7dd3fc;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(56,189,248,.22);
}
.btn--outline {
  background: transparent; color: var(--text); border-color: var(--border-hi);
}
.btn--outline:hover {
  border-color: var(--accent); color: var(--accent); background: var(--accent-bg);
}
.btn--ghost {
  background: transparent; color: var(--muted); border-color: transparent;
}
.btn--ghost:hover { color: var(--text); background: var(--surface); }
.btn--sm { padding: .5rem .95rem; font-size: .82rem; }
.btn--full { width: 100%; justify-content: center; }

/* ── Sections ─────────────────────────────────── */
.section       { padding: var(--s7) 0; }
.section--alt  { background: var(--bg-alt); }

.section-header {
  text-align: center; margin-bottom: var(--s6);
  max-width: 600px; margin-left: auto; margin-right: auto;
}
.section-header h2 { margin-bottom: .75rem; }
.section-header p  { font-size: 1rem; }

.section-tag {
  display: inline-block;
  padding: .25rem .8rem;
  border-radius: 99px;
  border: 1px solid var(--border-hi);
  background: var(--accent-bg);
  color: var(--accent);
  font-size: .7rem; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  margin-bottom: .9rem;
}

.section-note {
  margin-top: var(--s4);
  font-size: .75rem; color: var(--dim); text-align: center;
}

/* ── Cards grid ───────────────────────────────── */
.cards-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.25rem; }

/* ── Card base ────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: var(--s4);
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,0,0,.45);
  border-color: var(--border-hi);
}
.card__icon {
  width: 42px; height: 42px;
  background: var(--surface-2); border: 1px solid var(--border-hi);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  color: var(--accent); margin-bottom: var(--s3);
}
.card h3 { margin-bottom: .55rem; color: var(--text); }
.card p  { font-size: .88rem; }

/* ── Navbar ───────────────────────────────────── */
.navbar {
  position: sticky; top: 0; z-index: 100;
  background: rgba(11,17,32,.85);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  transition: background var(--t-med);
}
.navbar--scrolled {
  background: rgba(11,17,32,.97);
  box-shadow: 0 1px 0 var(--border);
}
.navbar__inner {
  display: flex; align-items: center; gap: var(--s3);
  height: 60px;
}
.navbar__logo {
  display: flex; align-items: center; gap: .55rem;
  font-weight: 700; font-size: .95rem; letter-spacing: -.015em;
  color: var(--text); flex-shrink: 0;
}
.navbar__logo:hover { color: var(--accent); }
.logo-mark {
  width: 26px; height: 26px;
  background: var(--accent); color: #060f1a;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: .85rem; flex-shrink: 0;
}
.logo-mark--sm { width: 20px; height: 20px; border-radius: 5px; font-size: .72rem; }

.navbar__nav {
  display: flex; align-items: center; gap: .1rem; margin-left: auto;
}
.navbar__nav a {
  padding: .4rem .7rem;
  font-size: .85rem; font-weight: 500; color: var(--muted);
  border-radius: var(--r-sm); transition: all var(--t);
}
.navbar__nav a:hover    { color: var(--text); background: var(--surface); }
.navbar__nav a.is-active{ color: var(--accent); }

.navbar__burger {
  display: none; flex-direction: column; gap: 5px;
  background: none; border: none; cursor: pointer; padding: 6px;
  margin-left: auto;
}
.navbar__burger span {
  display: block; width: 20px; height: 2px;
  background: var(--text); border-radius: 2px; transition: all var(--t-med);
}
.navbar__burger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar__burger.is-open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.navbar__burger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ─────────────────────────────────────── */
.hero {
  position: relative; overflow: hidden;
  padding: 6rem 0 5rem;
}
.hero__grid-bg {
  position: absolute; inset: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(56,189,248,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.028) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, black 10%, transparent 100%);
}
.hero__glow {
  position: absolute; pointer-events: none; z-index: 0;
  top: -160px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 580px;
  background: radial-gradient(ellipse at 50% 30%, rgba(56,189,248,.07) 0%, transparent 65%);
}
.hero__inner {
  position: relative; z-index: 1;
  display: flex; flex-direction: column;
  align-items: center; text-align: center;
}

/* Badge */
.hero__badge {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .42rem 1.1rem;
  background: var(--surface); border: 1px solid var(--border-hi);
  border-radius: 99px;
  font-size: .84rem; font-weight: 500; color: var(--muted);
  margin-bottom: 2.2rem;
}
.hero__dot {
  width: 8px; height: 8px; flex-shrink: 0; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 0 3px rgba(16,185,129,.2);
  animation: hdot 2.5s ease-in-out infinite;
}
@keyframes hdot { 0%,100%{opacity:1} 50%{opacity:.3} }

/* H1 */
.hero__title {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 800; line-height: 1.12; letter-spacing: -.03em;
  color: var(--text); max-width: 820px; margin-bottom: 1.6rem;
}
.hero__title-accent { display: block; color: var(--accent); margin-top: .1em; }

/* Sous-titre */
.hero__sub {
  font-size: 1.1rem; line-height: 1.82; color: var(--muted);
  max-width: 560px; margin-bottom: 2.6rem;
}

/* CTAs */
.hero__ctas {
  display: flex; gap: 1rem; flex-wrap: wrap;
  justify-content: center; margin-bottom: 2rem;
}
.btn--lg { padding: .88rem 1.75rem; font-size: 1rem; }

/* Checks */
.hero__checks {
  display: flex; flex-wrap: wrap; gap: .4rem 1.5rem;
  justify-content: center; margin-bottom: 3.8rem;
}
.hero__check {
  display: inline-flex; align-items: center; gap: .45rem;
  font-size: .86rem; color: var(--muted);
}

/* Règle séparatrice */
.hero__rule {
  width: 100%; max-width: 680px; height: 1px;
  background: linear-gradient(90deg, transparent, var(--border-hi) 25%, var(--border-hi) 75%, transparent);
  margin-bottom: 3.5rem;
}

/* Stats */
.hero__stats {
  display: flex; align-items: center;
  width: 100%; max-width: 680px;
}
.hero__stat { flex: 1; text-align: center; }
.hero__stat-num {
  font-size: clamp(1.9rem, 3vw, 2.7rem);
  font-weight: 800; letter-spacing: -.04em;
  color: var(--text); line-height: 1; margin-bottom: .5rem;
}
.hero__stat-lbl { font-size: .82rem; color: var(--muted); line-height: 1.55; }
.hero__stat-sep {
  width: 1px; height: 52px; background: var(--border-hi);
  flex-shrink: 0; margin: 0 2rem;
}


/* ── Method ───────────────────────────────────── */
.method-steps {
  display: flex; align-items: flex-start; gap: 0;
}
.method-step {
  flex: 1;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: var(--s4);
  transition: transform var(--t-med), box-shadow var(--t-med), border-color var(--t-med);
}
.method-step:hover {
  transform: translateY(-3px);
  box-shadow: 0 16px 48px rgba(0,0,0,.45);
  border-color: var(--border-hi);
}
.method-step__head {
  display: flex; align-items: center; gap: .75rem; margin-bottom: .75rem;
}
.method-step__num {
  font-size: .7rem; font-weight: 700; letter-spacing: .08em;
  color: var(--accent); padding: .22rem .6rem;
  background: var(--accent-bg); border-radius: 99px;
  flex-shrink: 0;
}
.method-step__lead {
  font-size: .87rem; color: var(--muted); margin-bottom: .9rem;
}
.method-step__list { display: flex; flex-direction: column; gap: .45rem; }
.method-step__list li {
  font-size: .82rem; color: var(--muted);
  padding-left: 1rem; position: relative;
}
.method-step__list li::before {
  content: '';
  position: absolute; left: 0; top: .52em;
  width: 4px; height: 4px; border-radius: 50%;
  background: var(--accent); opacity: .7;
}
.method-step__arrow {
  display: flex; align-items: center; justify-content: center;
  width: 48px; flex-shrink: 0; color: var(--dim); margin-top: 2rem;
}

/* ── Tool ─────────────────────────────────────── */
.tool-layout {
  display: grid; grid-template-columns: 1.1fr 1fr; gap: var(--s6);
  align-items: center;
}

/* Screen mock */
.tool-screen {
  background: var(--surface); border: 1px solid var(--border-hi);
  border-radius: var(--r-lg); overflow: hidden;
  box-shadow: 0 16px 56px rgba(0,0,0,.5);
}
.tool-screen__bar {
  height: 36px; background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 6px; padding: 0 12px;
}
.tool-screen__bar span {
  width: 10px; height: 10px; border-radius: 50%; background: var(--border-hi);
}
.tool-screen__bar span:nth-child(1) { background: rgba(239,68,68,.35); }
.tool-screen__bar span:nth-child(2) { background: rgba(234,179,8,.35); }
.tool-screen__bar span:nth-child(3) { background: rgba(34,197,94,.35); }
.tool-screen__title {
  font-size: .72rem; color: var(--dim); font-weight: 500; margin-left: .3rem;
}
.tool-screen__body { padding: 1.1rem; }

/* Mock data */
.tool-mock { display: flex; flex-direction: column; gap: .55rem; }
.tool-mock__row {
  display: flex; justify-content: space-between; align-items: center;
  padding: .55rem .8rem;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--r-sm);
}
.tool-mock__row--hl {
  border-color: rgba(56,189,248,.25); background: var(--accent-bg);
}
.tool-mock__lbl { font-size: .8rem; color: var(--muted); }
.tool-mock__val {
  font-family: 'Courier New', monospace; font-size: .85rem; font-weight: 700;
}
.tool-mock__val--blue  { color: #38bdf8; }
.tool-mock__val--red   { color: #f87171; }
.tool-mock__val--teal  { color: #2dd4bf; }
.tool-mock__val--accent{ color: #38bdf8; font-size: .95rem; }
.tool-mock__sep { height: 1px; background: var(--border); }
.tool-mock__bar-wrap { padding: .2rem 0; }
.tool-mock__bar {
  height: 4px; background: var(--surface-2); border-radius: 2px; overflow: hidden;
}
.tool-mock__bar-fill {
  height: 100%; width: 0;
  background: linear-gradient(90deg, #38bdf8, #10b981);
  border-radius: 2px;
  animation: bar-in 1.4s ease .5s forwards;
}
@keyframes bar-in { to { width: 30%; } }
.tool-mock__caption { font-size: .68rem; color: var(--dim); text-align: center; }

/* Tool copy */
.tool-copy h3 { font-size: 1.35rem; margin-bottom: .75rem; }
.tool-copy > p { font-size: .92rem; margin-bottom: var(--s4); line-height: 1.8; }

.tool-params { display: flex; flex-direction: column; gap: .9rem; margin-bottom: var(--s3); }
.param-bloc__lbl {
  font-size: .72rem; font-weight: 600; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); margin-bottom: .45rem; display: block;
}
.chips { display: flex; gap: .45rem; flex-wrap: wrap; }
.chip {
  padding: .28rem .7rem; border-radius: var(--r-sm);
  font-size: .78rem; font-weight: 600;
  background: var(--surface-2); border: 1px solid var(--border-hi); color: var(--muted);
  cursor: default; transition: all var(--t);
}
.chip--on {
  background: var(--accent-bg); border-color: rgba(56,189,248,.35); color: var(--accent);
}

/* Callout */
.callout {
  display: flex; gap: .9rem; align-items: flex-start;
  padding: var(--s3);
  background: var(--surface); border: 1px solid rgba(56,189,248,.18);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  margin-top: var(--s3);
}
.callout__icon {
  flex-shrink: 0; width: 32px; height: 32px;
  background: var(--accent-bg); border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  margin-top: 2px;
}
.callout strong {
  display: block; font-size: .85rem; color: var(--text); margin-bottom: .3rem;
}
.callout p { font-size: .82rem; margin: 0; line-height: 1.65; }

/* ── Offers ───────────────────────────────────── */
.card--offer {
  display: flex; flex-direction: column; gap: .7rem;
  position: relative;
}
.card--offer-featured {
  border-color: rgba(56,189,248,.28);
  box-shadow: 0 0 0 1px rgba(56,189,248,.08), inset 0 0 28px rgba(56,189,248,.025);
}
.card--offer-featured:hover {
  border-color: rgba(56,189,248,.45);
  box-shadow: 0 16px 48px rgba(0,0,0,.45), 0 0 32px rgba(56,189,248,.06);
}
.offer-badge {
  display: inline-block; padding: .2rem .65rem;
  background: var(--accent-bg); border: 1px solid rgba(56,189,248,.3);
  border-radius: 99px; font-size: .68rem; font-weight: 700;
  color: var(--accent); letter-spacing: .04em; align-self: flex-start;
}
.offer-icon {
  width: 44px; height: 44px;
  background: var(--surface-2); border: 1px solid var(--border-hi);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center; color: var(--accent);
}
.offer-price {
  font-size: 1.55rem; font-weight: 800; color: var(--text); letter-spacing: -.03em;
}
.offer-desc { font-size: .85rem; }
.offer-list { display: flex; flex-direction: column; gap: .45rem; flex: 1; margin-bottom: .5rem; }
.offer-list li {
  font-size: .82rem; color: var(--muted);
  padding-left: 1.1rem; position: relative; line-height: 1.5;
}
.offer-list li::before {
  content: ''; position: absolute; left: 0; top: .52em;
  width: 4px; height: 4px; border-radius: 50%; background: var(--green);
}

/* ── Case studies ─────────────────────────────── */
.card--case { display: flex; flex-direction: column; gap: .65rem; }
.case-size {
  display: inline-block; padding: .22rem .65rem;
  background: var(--accent-bg); border-radius: 99px;
  font-size: .7rem; font-weight: 700; letter-spacing: .06em;
  text-transform: uppercase; color: var(--accent); align-self: flex-start;
}
.card--case h3 { font-size: .98rem; color: var(--text); }
.card--case > p { font-size: .83rem; flex: 1; }
.case-kpis {
  display: flex; flex-direction: column; gap: .45rem;
  padding-top: .7rem; border-top: 1px solid var(--border);
}
.case-kpi { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; }
.case-kpi__lbl { font-size: .72rem; color: var(--dim); }
.case-kpi__val  { font-size: .78rem; font-weight: 600; color: var(--green); text-align: right; }

/* ── FAQ ──────────────────────────────────────── */
.faq {
  max-width: 720px; margin: 0 auto;
  display: flex; flex-direction: column; gap: .45rem;
}
.faq__item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-md); overflow: hidden;
  transition: border-color var(--t);
}
.faq__item:hover          { border-color: var(--border-hi); }
.faq__item[open]          { border-color: rgba(56,189,248,.22); }
.faq__item summary {
  cursor: pointer; list-style: none;
  padding: 1rem 1.3rem;
  font-weight: 600; font-size: .88rem; color: var(--text);
  display: flex; justify-content: space-between; align-items: center; gap: .8rem;
  user-select: none; -webkit-user-select: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: '+'; flex-shrink: 0;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--surface-2); color: var(--muted);
  font-size: .95rem; font-weight: 400; text-align: center; line-height: 20px;
  transition: all var(--t);
}
.faq__item[open] summary::after {
  content: '−'; background: var(--accent-bg); color: var(--accent);
}
.faq__item p {
  padding: 0 1.3rem 1rem;
  font-size: .85rem; line-height: 1.75;
  border-top: 1px solid var(--border); padding-top: .85rem;
}

/* ── Contact ──────────────────────────────────── */
.contact-layout {
  display: grid; grid-template-columns: 1fr 300px; gap: var(--s6);
  align-items: start;
}

/* Form */
.contact-form { display: flex; flex-direction: column; gap: .95rem; }
.form-row { display: grid; gap: .95rem; }
.form-row--2 { grid-template-columns: 1fr 1fr; }
.form-row--3 { grid-template-columns: repeat(3,1fr); }
.form-group { display: flex; flex-direction: column; gap: .38rem; }
.form-group label {
  font-size: .77rem; font-weight: 600; color: var(--muted);
  letter-spacing: .03em;
}
.form-group label span { color: var(--accent); }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; padding: .65rem .95rem;
  background: var(--surface); border: 1.5px solid var(--border-hi);
  border-radius: var(--r-sm); color: var(--text); font-size: .88rem;
  outline: none; transition: border-color var(--t), box-shadow var(--t);
  -webkit-appearance: none; appearance: none;
}
.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%23708090' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right .8rem center;
  padding-right: 2.2rem; cursor: pointer;
}
.form-group textarea { resize: vertical; line-height: 1.65; }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--dim); }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(56,189,248,.09);
}
.form-group input.is-error,
.form-group select.is-error { border-color: var(--red-soft); }
.form-error {
  font-size: .73rem; color: var(--red-soft); min-height: 1em;
}
.form-success {
  display: flex; align-items: center; gap: .7rem;
  padding: .95rem 1.1rem;
  background: var(--green-bg); border: 1px solid rgba(16,185,129,.28);
  border-radius: var(--r-sm); color: #34d399;
  font-weight: 500; font-size: .88rem;
}

/* Contact aside */
.contact-info-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--r-lg); padding: var(--s4);
  position: sticky; top: 76px;
}
.contact-info-card h3 { margin-bottom: .45rem; font-size: 1rem; }
.contact-info-card > p { font-size: .84rem; margin-bottom: 1.2rem; }
.contact-email {
  display: flex; align-items: center; gap: .55rem;
  padding: .65rem .85rem;
  background: var(--bg); border: 1px solid var(--border);
  border-radius: var(--r-sm); font-size: .83rem; color: var(--accent);
  margin-bottom: 1.1rem; transition: border-color var(--t);
}
.contact-email:hover { border-color: rgba(56,189,248,.3); }
.contact-guarantees { display: flex; flex-direction: column; gap: .55rem; }
.contact-guarantees li {
  display: flex; align-items: center; gap: .55rem;
  font-size: .8rem; color: var(--muted);
}

/* ── Footer ───────────────────────────────────── */
.footer {
  border-top: 1px solid var(--border);
  padding: var(--s4) 0; background: var(--bg);
}
.footer__inner {
  display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap;
}
.footer__brand {
  display: flex; align-items: center; gap: .45rem;
  font-weight: 700; font-size: .85rem;
}
.footer__copy { font-size: .78rem; color: var(--dim); flex: 1; }
.footer__links { display: flex; gap: 1.1rem; }
.footer__links a {
  font-size: .76rem; color: var(--dim); transition: color var(--t);
}
.footer__links a:hover { color: var(--muted); }

/* ── Scroll reveal ────────────────────────────── */
.reveal {
  opacity: 0; transform: translateY(16px);
  transition: opacity .5s ease, transform .5s ease;
  transition-delay: var(--delay, 0s);
}
.reveal.visible { opacity: 1; transform: none; }

/* ── Responsive ───────────────────────────────── */
@media (max-width: 1024px) {
  .tool-layout       { grid-template-columns: 1fr; }
  .contact-layout    { grid-template-columns: 1fr; }
  .contact-info-card { position: static; }
  .method-steps { flex-direction: column; gap: 1.1rem; }
  .method-step__arrow { transform: rotate(90deg); margin: 0 auto; }
}

@media (max-width: 768px) {
  :root { --s7: 4.5rem; --s6: 3rem; }
  .cards-3 { grid-template-columns: 1fr; }
  .navbar__nav {
    display: none; position: fixed;
    inset: 60px 0 0 0;
    background: rgba(11,17,32,.97);
    flex-direction: column; align-items: flex-start;
    padding: 1.2rem var(--pad-x); gap: .15rem;
    backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid var(--border);
  }
  .navbar__nav.is-open { display: flex; }
  .navbar__nav a { font-size: 1.05rem; padding: .7rem .9rem; width: 100%; }
  .navbar__burger { display: flex; }
  .navbar__inner .btn--sm { display: none; }
  /* Hero mobile */
  .hero { padding: 4rem 0 3.5rem; }
  .hero__ctas { flex-direction: column; align-items: center; }
  .hero__ctas .btn { width: 100%; max-width: 340px; justify-content: center; }
  .hero__stats { flex-direction: column; gap: 2rem; }
  .hero__stat-sep { width: 60px; height: 1px; margin: 0; }
  .hero__rule { margin-bottom: 2.5rem; }
  /* Rest */
  .form-row--2 { grid-template-columns: 1fr; }
  .form-row--3 { grid-template-columns: 1fr 1fr; }
  .footer__inner { flex-direction: column; align-items: flex-start; gap: .65rem; }
  .footer__copy { flex: none; }
}

@media (max-width: 480px) {
  .form-row--3 { grid-template-columns: 1fr; }
}

/* ── Accessibility ────────────────────────────── */
:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 3px;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}