/* ============================================================
   HEVEASTART — SHARED STYLESHEET
   Palette : navy → blue → electric → cyan (zéro or)
============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --navy:        #03080f;
  --surface:     #06101e;
  --card:        #0b1a30;
  --card-hover:  #0e2240;
  --blue-deep:   #0d2158;
  --blue-mid:    #1a4fc4;
  --blue-bright: #1e40af;
  --electric:    #0369a1;
  --cyan:        #0891b2;
  --white:       #f0f8ff;
  --white-dim:   rgba(240,248,255,0.62);
  --white-faint: rgba(240,248,255,0.10);
  --line:        rgba(3,105,161,0.18);
  --grad:        linear-gradient(135deg, #1e40af 0%, #0369a1 50%, #0891b2 100%);
  --grad-text:   linear-gradient(135deg, #60a5fa, #38bdf8, #22d3ee);
  --font-display:'Inter', sans-serif;
  --font-body:   'Inter', sans-serif;
  --font-mono:   'IBM Plex Mono', monospace;
  --container:   1180px;
  --px:          clamp(20px, 4vw, 48px);
  --radius:      16px;
  --radius-lg:   28px;
}
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--white);
  overflow-x: hidden;
  cursor: none;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { cursor: none; font-family: inherit; border: none; background: none; }

/* ============================================================
   CURSOR
============================================================ */
#cursor { position: fixed; top: 0; left: 0; z-index: 9999; pointer-events: none; }
#cursor-dot {
  width: 8px; height: 8px; background: var(--cyan); border-radius: 50%;
  position: absolute; transform: translate(-50%,-50%);
  transition: width .3s, height .3s;
}
#cursor-ring {
  width: 36px; height: 36px; border: 1.5px solid rgba(8,145,178,.5); border-radius: 50%;
  position: absolute; transform: translate(-50%,-50%);
  transition: width .3s, height .3s, border-color .3s;
}
body:has(a:hover) #cursor-ring,
body:has(button:hover) #cursor-ring { width: 54px; height: 54px; border-color: var(--electric); }

/* ============================================================
   PROGRESS BAR
============================================================ */
#progress {
  position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 1000;
  background: linear-gradient(90deg, var(--blue-bright), var(--electric), var(--cyan));
  transform-origin: left; transform: scaleX(0);
}

/* ============================================================
   HEADER
============================================================ */
header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 500;
  height: 72px; display: flex; align-items: center;
  padding: 0 var(--px);
  transition: background .4s, backdrop-filter .4s, border-color .4s;
}
header.scrolled {
  background: rgba(3,8,15,.88);
  backdrop-filter: blur(20px) saturate(1.8);
  border-bottom: 1px solid var(--line);
}
.nav-inner {
  max-width: var(--container); width: 100%; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-logo { display: flex; align-items: center; }
.nav-logo img {
  height: 34px; width: auto;
  filter: brightness(0) invert(1);
  transition: opacity .2s;
}
.nav-logo:hover img { opacity: .85; }
.nav-links {
  display: flex; align-items: center; gap: 32px; list-style: none;
}
.nav-links a {
  font-size: 14px; font-weight: 500; color: var(--white-dim);
  transition: color .2s; position: relative;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; right: 0;
  height: 1px; background: var(--electric);
  transform: scaleX(0); transform-origin: left; transition: transform .3s;
}
.nav-links a:hover { color: var(--white); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.hamburger { display: none; flex-direction: column; gap: 5px; width: 28px; cursor: none; }
.hamburger span { display: block; height: 2px; width: 100%; background: var(--white); border-radius: 2px; transition: all .3s; }
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  position: fixed; inset: 0; z-index: 450;
  background: rgba(3,8,15,.97); backdrop-filter: blur(20px);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 36px;
  opacity: 0; pointer-events: none; transition: opacity .4s;
}
.mobile-nav.open { opacity: 1; pointer-events: all; }
.mobile-nav a {
  font-family: var(--font-display); font-size: clamp(26px,6vw,44px); font-weight: 700;
  color: var(--white-dim); transition: color .2s;
}
.mobile-nav a:hover { color: var(--white); }

/* ============================================================
   BUTTONS
============================================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 10px 24px; border-radius: 100px; font-size: 14px; font-weight: 600;
  transition: all .3s; position: relative; overflow: hidden; cursor: none;
}
.btn::before {
  content: ''; position: absolute; inset: 0;
  background: rgba(255,255,255,.08); opacity: 0; transition: opacity .3s;
}
.btn:hover::before { opacity: 1; }
.btn-primary {
  background: var(--grad); color: #fff;
  box-shadow: 0 0 24px rgba(30,64,175,.35);
}
.btn-primary:hover { box-shadow: 0 0 44px rgba(3,105,161,.5); transform: translateY(-1px); }
.btn-ghost { border: 1px solid var(--line); color: var(--white-dim); }
.btn-ghost:hover { border-color: var(--electric); color: var(--white); }
.btn-lg { padding: 14px 36px; font-size: 16px; }
.btn-xl { padding: 18px 48px; font-size: 18px; }

/* ============================================================
   PAGE HERO (sous-pages)
============================================================ */
.page-hero {
  position: relative; min-height: 540px;
  display: flex; align-items: flex-end;
  overflow: hidden; padding-bottom: clamp(60px,8vw,100px);
}
.page-hero-bg {
  position: absolute; inset: -10%;
  background-size: cover; background-position: center;
  will-change: transform;
}
.page-hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(3,8,15,.92) 0%, rgba(6,16,30,.8) 50%, rgba(13,33,88,.6) 100%);
}
.page-hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(3,105,161,.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(3,105,161,.06) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 90% 90% at 50% 100%, black 0%, transparent 100%);
}
.page-hero-content {
  position: relative; z-index: 2;
  max-width: var(--container); width: 100%;
  margin: 0 auto; padding: 100px var(--px) 0;
}
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--electric); letter-spacing: .1em;
  text-transform: uppercase; margin-bottom: 24px;
}
.breadcrumb span { color: rgba(3,105,161,.5); }
.page-hero-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-mono); font-size: 11px;
  letter-spacing: .12em; text-transform: uppercase;
  color: var(--electric); margin-bottom: 20px;
}
.page-hero-label-dot {
  width: 6px; height: 6px; border-radius: 50%; background: var(--cyan);
  animation: pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100% { opacity:1; transform:scale(1); }
  50% { opacity:.4; transform:scale(.7); }
}
.page-hero-title {
  font-family: var(--font-display);
  font-size: clamp(38px,6vw,80px); font-weight: 800;
  line-height: 1.05; letter-spacing: -.03em;
  margin-bottom: 20px;
}
.page-hero-title .grad {
  background: var(--grad-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.page-hero-sub {
  font-size: clamp(16px,1.8vw,20px); color: var(--white-dim);
  max-width: 600px; line-height: 1.65; margin-bottom: 36px;
}
.page-hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   SECTIONS COMMUNES
============================================================ */
section { padding: clamp(72px,9vw,120px) var(--px); }
.section-inner { max-width: var(--container); margin: 0 auto; }
.section-label {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 11px; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--electric); margin-bottom: 18px;
}
.section-label::before { content: ''; display: block; width: 24px; height: 1px; background: var(--electric); }
.section-title {
  font-family: var(--font-display);
  font-size: clamp(30px,4vw,56px); font-weight: 800;
  line-height: 1.1; letter-spacing: -.025em;
}
.section-title .grad {
  background: var(--grad-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.section-sub {
  font-size: clamp(15px,1.7vw,18px); color: var(--white-dim);
  line-height: 1.65; max-width: 600px; margin-top: 14px;
}

/* ============================================================
   CARDS
============================================================ */
.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius-lg); padding: 36px 30px;
  position: relative; overflow: hidden;
  transition: border-color .4s, box-shadow .4s, transform .3s;
}
.card:hover {
  border-color: rgba(3,105,161,.4);
  box-shadow: 0 20px 60px rgba(30,64,175,.12);
  transform: translateY(-4px);
}
.card-icon {
  width: 52px; height: 52px;
  background: linear-gradient(135deg, rgba(30,64,175,.2), rgba(3,105,161,.1));
  border: 1px solid rgba(3,105,161,.25); border-radius: 14px;
  display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
}
.card-icon svg { width: 24px; height: 24px; color: var(--electric); }
.card-title {
  font-family: var(--font-display); font-size: 20px; font-weight: 700;
  letter-spacing: -.02em; margin-bottom: 10px;
}
.card-desc { font-size: 14px; color: var(--white-dim); line-height: 1.65; }
.card-num {
  font-family: var(--font-mono); font-size: 11px;
  color: var(--electric); letter-spacing: .1em; margin-bottom: 16px;
}

/* Tilt card 3D */
.tilt-card { transform-style: preserve-3d; will-change: transform; }

/* ============================================================
   GRID LAYOUTS
============================================================ */
.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; }
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split.reverse > :first-child { order: 2; }
.split.reverse > :last-child { order: 1; }

/* ============================================================
   TAGS & BADGES
============================================================ */
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px; border: 1px solid var(--line); border-radius: 100px;
  font-size: 13px; font-weight: 500; color: var(--white-dim);
  background: var(--white-faint); backdrop-filter: blur(8px);
  transition: border-color .3s, color .3s;
}
.tag:hover { border-color: var(--electric); color: var(--white); }
.badge {
  display: inline-flex; align-items: center; padding: 4px 12px;
  background: var(--grad); border-radius: 100px;
  font-size: 11px; font-weight: 600; letter-spacing: .06em;
  text-transform: uppercase; color: #fff;
}

/* ============================================================
   REVEAL ANIMATIONS
============================================================ */
.reveal { opacity: 0; transform: translateY(28px); }
.reveal.in { opacity: 1; transform: translateY(0); transition: opacity .7s ease, transform .7s ease; }
.reveal-left { opacity: 0; transform: translateX(-36px); }
.reveal-left.in { opacity: 1; transform: translateX(0); transition: opacity .7s ease, transform .7s ease; }
.reveal-right { opacity: 0; transform: translateX(36px); }
.reveal-right.in { opacity: 1; transform: translateX(0); transition: opacity .7s ease, transform .7s ease; }
.reveal-scale { opacity: 0; transform: scale(.95); }
.reveal-scale.in { opacity: 1; transform: scale(1); transition: opacity .6s ease, transform .6s ease; }

/* ============================================================
   FEATURE LIST
============================================================ */
.feature-list { list-style: none; display: flex; flex-direction: column; gap: 14px; }
.feature-list li {
  display: flex; align-items: flex-start; gap: 12px;
  font-size: 15px; line-height: 1.6;
}
.feature-list li .fi {
  width: 20px; height: 20px; border-radius: 50%;
  background: rgba(3,105,161,.15); border: 1px solid rgba(3,105,161,.3);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0; margin-top: 1px;
}
.feature-list li .fi svg { width: 10px; height: 10px; color: var(--electric); }

/* ============================================================
   STATS STRIP
============================================================ */
.stats-strip {
  background: linear-gradient(90deg, var(--blue-deep), var(--blue-mid));
  border-top: 1px solid rgba(3,105,161,.2); border-bottom: 1px solid rgba(3,105,161,.2);
  padding: 36px var(--px);
}
.stats-grid { max-width: var(--container); margin: 0 auto; display: grid; gap: 24px; }
.stats-grid-4 { grid-template-columns: repeat(4,1fr); }
.stats-grid-3 { grid-template-columns: repeat(3,1fr); }
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-display); font-size: clamp(30px,3.5vw,48px); font-weight: 800;
  background: var(--grad-text); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1; margin-bottom: 6px;
}
.stat-label { font-size: 13px; color: rgba(240,248,255,.5); line-height: 1.4; }

/* ============================================================
   PANORAMIC IMAGE SECTION
============================================================ */
.pano {
  position: relative; height: clamp(300px,35vw,480px); overflow: hidden; border-radius: var(--radius-lg);
}
.pano img, .pano-bg {
  position: absolute; inset: -10%; width: 120%; height: 120%;
  object-fit: cover; will-change: transform;
}
.pano-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(160deg, rgba(3,8,15,.7) 0%, rgba(6,16,30,.3) 100%);
}
.pano-caption {
  position: absolute; bottom: 28px; left: 28px;
  font-family: var(--font-mono); font-size: 11px;
  color: var(--electric); letter-spacing: .12em; text-transform: uppercase;
}

/* Floating frames on panoramics */
.pano-frame {
  position: absolute; border: 1px solid rgba(3,105,161,.25);
  border-radius: 4px; pointer-events: none;
  transition: transform .15s ease-out;
}

/* ============================================================
   CTA BAND
============================================================ */
.cta-band {
  position: relative; overflow: hidden;
  background: var(--blue-deep);
  padding: clamp(72px,9vw,120px) var(--px);
  text-align: center;
}
.cta-band-bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 20% 50%, rgba(30,64,175,.25), transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(3,105,161,.2), transparent 60%);
}
.cta-band-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(8,145,178,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(8,145,178,.05) 1px, transparent 1px);
  background-size: 40px 40px;
}
.cta-band > .section-inner { position: relative; z-index: 1; }
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(32px,4.5vw,64px); font-weight: 800;
  letter-spacing: -.03em; line-height: 1.08; margin-bottom: 20px;
}
.cta-sub {
  font-size: clamp(15px,1.7vw,19px); color: var(--white-dim);
  max-width: 520px; margin: 0 auto 40px; line-height: 1.65;
}
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 14px; flex-wrap: wrap; }

/* ============================================================
   ACCORDION (FAQ)
============================================================ */
.accordion { border-top: 1px solid var(--line); }
.accordion-item { border-bottom: 1px solid var(--line); }
.accordion-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0; cursor: none; text-align: left;
  font-size: 16px; font-weight: 600; color: var(--white);
  background: none; border: none; transition: color .2s;
}
.accordion-btn:hover { color: var(--electric); }
.accordion-icon {
  width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0;
  border: 1px solid var(--line); display: flex; align-items: center; justify-content: center;
  transition: background .3s, border-color .3s, transform .3s;
}
.accordion-btn.open .accordion-icon {
  background: linear-gradient(135deg, var(--blue-bright), var(--electric));
  border-color: transparent; transform: rotate(45deg);
}
.accordion-icon svg { width: 12px; height: 12px; }
.accordion-body {
  max-height: 0; overflow: hidden; transition: max-height .4s ease, padding .3s;
}
.accordion-body.open { max-height: 600px; padding-bottom: 20px; }
.accordion-body p { font-size: 15px; color: var(--white-dim); line-height: 1.7; }
.accordion-body p + p { margin-top: 12px; }

/* ============================================================
   COMPARISON TABLE
============================================================ */
.compare-table { width: 100%; border-collapse: collapse; }
.compare-table th {
  font-family: var(--font-display); font-size: 18px; font-weight: 700;
  padding: 20px 24px; text-align: left;
  background: var(--card); border-bottom: 2px solid var(--blue-mid);
}
.compare-table th:first-child { background: var(--surface); }
.compare-table th.highlight { background: linear-gradient(135deg, rgba(30,64,175,.3), rgba(3,105,161,.15)); }
.compare-table td {
  padding: 16px 24px; font-size: 14px; color: var(--white-dim);
  border-bottom: 1px solid var(--line); vertical-align: middle;
}
.compare-table td:first-child { font-weight: 600; color: var(--white); background: var(--surface); }
.compare-table td.highlight { background: rgba(30,64,175,.06); }
.compare-table tr:last-child td { border-bottom: none; }
.check { color: var(--electric); font-weight: 700; }
.cross { color: rgba(240,248,255,.3); }

/* ============================================================
   TESTIMONIALS
============================================================ */
.testimonial-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.testimonial-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 28px 24px; transition: border-color .3s;
}
.testimonial-card:hover { border-color: rgba(3,105,161,.3); }
.testimonial-stars { display: flex; gap: 3px; margin-bottom: 14px; }
.testimonial-star { width: 14px; height: 14px; background: var(--electric); border-radius: 50%; opacity: .8; }
.testimonial-text { font-size: 15px; color: var(--white-dim); line-height: 1.7; margin-bottom: 20px; font-style: italic; }
.testimonial-author { display: flex; align-items: center; gap: 12px; }
.testimonial-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--blue-deep), var(--blue-mid));
  border: 1px solid rgba(3,105,161,.3);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 14px; font-weight: 700;
  color: var(--electric);
}
.testimonial-name { font-weight: 600; font-size: 14px; }
.testimonial-role { font-size: 12px; color: rgba(240,248,255,.4); margin-top: 2px; }

/* ============================================================
   PRICING
============================================================ */
.pricing-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 24px; align-items: start; }
.pricing-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius-lg);
  padding: 40px 32px; position: relative; overflow: hidden;
  transition: border-color .4s, box-shadow .4s, transform .4s;
}
.pricing-card:hover { border-color: rgba(3,105,161,.4); box-shadow: 0 24px 80px rgba(30,64,175,.15); transform: translateY(-6px); }
.pricing-card.featured {
  border-color: rgba(3,105,161,.5);
  background: linear-gradient(160deg, var(--card), rgba(13,33,88,.8));
  box-shadow: 0 0 60px rgba(30,64,175,.2);
}
.pricing-badge {
  position: absolute; top: 20px; right: 20px;
  background: var(--grad); font-size: 11px; font-weight: 600;
  letter-spacing: .06em; text-transform: uppercase; padding: 4px 12px; border-radius: 100px; color: #fff;
}
.pricing-name { font-family: var(--font-display); font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.pricing-desc { font-size: 14px; color: var(--white-dim); line-height: 1.55; margin-bottom: 28px; }
.pricing-amount {
  font-family: var(--font-display); font-size: clamp(34px,3.5vw,50px); font-weight: 800;
  letter-spacing: -.02em; background: var(--grad-text);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.pricing-period { font-size: 14px; color: var(--white-dim); margin-left: 4px; }
.pricing-price { margin-bottom: 28px; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 10px; margin-bottom: 32px; }
.pricing-features li { display: flex; align-items: flex-start; gap: 10px; font-size: 14px; line-height: 1.5; }
.pricing-features li svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; color: var(--electric); }

/* ============================================================
   FOOTER
============================================================ */
footer {
  background: var(--surface); border-top: 1px solid var(--line);
  padding: 80px var(--px) 40px;
}
.footer-inner { max-width: var(--container); margin: 0 auto; }
.footer-top { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 56px; }
.footer-logo img { height: 28px; width: auto; filter: brightness(0) invert(1); margin-bottom: 14px; }
.footer-tagline { font-size: 14px; color: var(--white-dim); line-height: 1.65; max-width: 260px; margin-bottom: 20px; }
.footer-offices { display: flex; flex-direction: column; gap: 8px; }
.footer-office { display: flex; align-items: center; gap: 8px; font-size: 13px; color: rgba(240,248,255,.4); }
.footer-office-dot { width: 5px; height: 5px; border-radius: 50%; background: var(--electric); flex-shrink: 0; }
.footer-col-title { font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; color: var(--electric); margin-bottom: 18px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 9px; }
.footer-links a { font-size: 14px; color: rgba(240,248,255,.45); transition: color .2s; }
.footer-links a:hover { color: var(--white); }
.footer-bottom {
  display: flex; align-items: center; justify-content: space-between;
  border-top: 1px solid rgba(3,105,161,.1); padding-top: 28px; flex-wrap: wrap; gap: 14px;
}
.footer-copy { font-size: 13px; color: rgba(240,248,255,.28); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 12px; color: rgba(240,248,255,.28); transition: color .2s; }
.footer-legal a:hover { color: var(--white-dim); }

/* Back to top */
#btt {
  position: fixed; bottom: 32px; right: 32px; z-index: 400;
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--blue-bright), var(--electric));
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(30,64,175,.4);
  opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s;
}
#btt.visible { opacity: 1; pointer-events: all; }
#btt:hover { transform: translateY(-3px); }
#btt svg { width: 18px; height: 18px; color: #fff; }

/* ============================================================
   RESPONSIVE
============================================================ */
@media (max-width:1024px) {
  .grid-4 { grid-template-columns: repeat(2,1fr); }
  .testimonial-grid { grid-template-columns: 1fr 1fr; }
  .footer-top { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; gap: 40px; }
  .split.reverse > :first-child { order: 0; }
  .split.reverse > :last-child { order: 0; }
}
@media (max-width:768px) {
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .pricing-grid { grid-template-columns: 1fr; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .stats-grid-4 { grid-template-columns: repeat(2,1fr); }
  .stats-grid-3 { grid-template-columns: repeat(3,1fr); }
  .footer-top { grid-template-columns: 1fr; gap: 28px; }
  #cursor { display: none; }
  body { cursor: auto; }
  button { cursor: pointer; }
}
@media (max-width:480px) {
  .stats-grid-4, .stats-grid-3 { grid-template-columns: 1fr 1fr; }
}