/* ==========================================================================
   Sukkar.app — Design tokens
   ========================================================================== */
:root{
  --navy:        #0B222B;
  --navy-2:      #0D2933;
  --teal:        #12A594;
  --teal-hover:  #0E8C7D;
  --teal-bright: #18D0C3;
  --teal-dark:   #0D8579;
  --mint-1:      #F1F8F6;
  --mint-2:      #E7F2EF;
  --white:       #FFFFFF;
  --text:        #0B222B;
  --text-muted:  #5B6B70;
  --text-onlight-muted: rgba(11,34,43,.68);
  --text-ondark-muted:  rgba(255,255,255,.68);
  --border-soft: #E2ECE9;
  --danger-bg:   #FCE9E7;
  --danger:      #D4574A;

  --font-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --font-body:    'Inter', sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-pill: 999px;

  --shadow-card: 0 20px 60px -20px rgba(11,34,43,.18);
  --shadow-float: 0 12px 30px -8px rgba(11,34,43,.25);

  --ease: cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; scroll-padding-top: 92px; }
body{
  margin:0;
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }
button{ font-family: inherit; cursor:pointer; }
h1,h2,h3,h4{ font-family: var(--font-display); font-weight:800; margin:0; letter-spacing:-.02em; color: var(--text); }

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

.container{
  width:100%;
  max-width: 1200px;
  margin:0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Reveal-on-scroll
   ========================================================================== */
.reveal{
  opacity:0;
  transform: translateY(30px) scale(.985);
  transition: opacity .9s cubic-bezier(.16,1,.3,1), transform .9s cubic-bezier(.16,1,.3,1);
  will-change: opacity, transform;
}
.reveal.in-view{ opacity:1; transform:none; }
.reveal.delay-1{ transition-delay:.1s; }
.reveal.delay-2{ transition-delay:.2s; }

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding: 14px 26px;
  border-radius: var(--radius-pill);
  font-weight:700; font-size:.95rem;
  font-family: var(--font-display);
  border: 1.5px solid transparent;
  transition: transform .18s var(--ease), box-shadow .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease), color .18s var(--ease);
  white-space: nowrap;
  will-change: transform;
}
.btn:active{ transform: scale(.96); }
.btn-primary{ background: var(--teal); color:#fff; }
.btn-primary:hover{ background: var(--teal-hover); transform: translateY(-2px); box-shadow: 0 10px 24px -8px rgba(18,165,148,.55); }
.btn-outline{ background: transparent; color:#fff; border-color: rgba(255,255,255,.35); }
.btn-outline:hover{ border-color:#fff; transform: translateY(-2px); }
.btn-outline--light{ color: var(--white); }
.btn-ghost{ background: #fff; color: var(--text); border-color: var(--border-soft); }
.btn-ghost:hover{ background: var(--teal-hover); border-color: var(--teal-hover); color: #fff; transform: translateY(-2px); }
.btn-dark{ background: var(--navy); color:#fff; }
.btn-dark:hover{ transform: translateY(-2px); box-shadow: var(--shadow-float); }
.btn-block{ width:100%; }

/* ==========================================================================
   Header
   ========================================================================== */
.site-header{
  position: sticky; top:0; z-index:100;
  background: var(--navy);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 76px;
}
.brand-logo{ height: 48px; width:auto; transition: transform .4s var(--ease), filter .4s var(--ease); animation: logoPulse 6s ease-in-out infinite; transform-origin: 18% center; }
.brand:hover .brand-logo{ transform: scale(1.05); filter: drop-shadow(0 0 14px rgba(24,208,195,.55)); }
@keyframes logoPulse{
  0%,100%{ filter: drop-shadow(0 0 0 rgba(24,208,195,0)); }
  50%{ filter: drop-shadow(0 0 8px rgba(24,208,195,.35)); }
}
.main-nav{ display:flex; align-items:center; gap: 32px; }
.main-nav a{
  color: rgba(255,255,255,.82);
  font-size:.92rem; font-weight:500;
  position:relative;
  padding: 4px 0;
  transition: color .15s var(--ease);
}
.main-nav a::after{
  content:''; position:absolute; left:0; right:100%; bottom:-4px; height:2px;
  background: var(--teal-bright); transition: right .25s var(--ease);
}
.main-nav a:hover{ color:#fff; }
.main-nav a:hover::after{ right:0; }
.main-nav a.nav-highlight{ color: var(--teal-bright); }
.header-actions{ display:flex; align-items:center; gap:20px; }
.login-link{ color:#fff; font-weight:700; font-size:.92rem; display:inline-flex; align-items:center; gap:6px; }
.login-link .arrow{ transition: transform .18s var(--ease); }
.login-link:hover .arrow{ transform: translateX(4px); }

.menu-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:36px; height:36px; background:none; border:none; padding:0;
}
.menu-toggle span{ display:block; width:100%; height:2px; background:#fff; transition: transform .25s var(--ease), opacity .25s var(--ease); }
.mobile-nav{
  display:none; flex-direction:column;
  background: var(--navy-2);
  max-height:0; overflow:hidden;
  transition: max-height .35s var(--ease);
}
.mobile-nav a{
  color: rgba(255,255,255,.85); padding: 14px 24px; border-top: 1px solid rgba(255,255,255,.06);
  font-weight:500; font-size:.95rem;
}
.mobile-nav.is-open{ max-height: 480px; }

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  background: radial-gradient(120% 100% at 15% 0%, #10323D 0%, var(--navy) 55%);
  padding: 88px 0 120px;
  overflow: hidden;
  position: relative;
}
.hero-webgl{
  position:absolute; inset:0; z-index:0;
  pointer-events:none;
  transition: opacity .2s linear;
}
.hero-webgl canvas{ width:100%; height:100%; display:block; }
.hero-webgl::after{
  content:''; position:absolute; inset:0;
  background: radial-gradient(60% 85% at 22% 45%, rgba(11,34,43,.55) 0%, rgba(11,34,43,0) 70%);
}
.hero .hero-grid{ position:relative; z-index:1; }
.hero-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items:center;
}
.eyebrow-pill{
  display:inline-flex; align-items:center; gap:8px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.85);
  font-size:.82rem; font-weight:600;
  padding: 8px 16px; border-radius: var(--radius-pill);
  margin-bottom: 24px;
}
.eyebrow-pill .dot{ width:7px; height:7px; border-radius:50%; background: var(--teal-bright); box-shadow: 0 0 0 4px rgba(24,208,195,.18); }
.hero h1{
  color:#fff; font-size: clamp(2.1rem, 3.6vw, 3.1rem); line-height:1.12; margin-bottom:22px;
}
.accent-text{ color: var(--teal-bright); }
.hero-sub{ color: rgba(255,255,255,.66); font-size:1.05rem; max-width:460px; margin-bottom:34px; }
.hero-cta{ display:flex; flex-wrap:wrap; gap:14px; }

.hero-visual{ position:relative; }
.browser-card{}
.browser-shot{
  width:100%; display:block;
  border-top: 1px solid #DBEAE6;
  border-radius: 14px;
  box-shadow: 0px 12px 30px -18px #0C253040, 0px 40px 80px -40px #0C253066;
}

.float-card{
  position:absolute; background:#fff; border-radius: var(--radius-sm);
  box-shadow: var(--shadow-float);
  padding: 14px 18px;
  animation: floaty 5s ease-in-out infinite;
}
.float-card--award{ top: 14%; left: -6%; }
.float-card--approvals{ bottom: 10%; right: -6%; animation-delay: .8s; }
.float-label{ display:block; font-size:.68rem; text-transform:uppercase; letter-spacing:.06em; color: var(--text-muted); margin-bottom:4px; font-weight:700; }
.float-card strong{ font-family: var(--font-display); font-size:1.15rem; }
.float-card .down{ color: var(--teal); font-size:.85rem; font-weight:700; }
.float-card .muted{ color: var(--text-muted); font-size:.85rem; font-weight:600; }

@keyframes floaty{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-10px); }
}

/* ==========================================================================
   Sections (generic)
   ========================================================================== */
.section{ padding: 100px 0; }
.bg-mint-1{ background: var(--mint-1); }
.bg-mint-2{ background: var(--mint-2); }
.bg-dark{ background: var(--navy); }
.text-center{ text-align:center; }
.text-white{ color:#fff; }

.eyebrow{
  color: var(--teal); font-weight:700; font-size:.78rem;
  text-transform:uppercase; letter-spacing:.09em; margin: 0 0 12px;
}
.eyebrow--light{ color: var(--teal-bright); }
.eyebrow--onlight{ color: var(--navy); opacity:.75; }
.section h2{ font-size: clamp(1.7rem, 2.6vw, 2.35rem); margin-bottom:16px; }
.section-sub{
  color: var(--text-muted); font-size:1.02rem; max-width:560px; margin: 0 auto 20px;
}
.section-sub--onlight{ color: rgba(11,34,43,.72); }
.section-sub--ondark{ color: rgba(255,255,255,.72); }

/* Stats */
.stat-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap:24px; max-width:820px; margin: 44px auto 0; text-align:left;
}
.stat-card{
  background:#fff; border-radius: var(--radius-md); padding: 32px 30px;
  box-shadow: 0 12px 40px -20px rgba(11,34,43,.12);
}
.stat-num{ font-family: var(--font-display); font-weight:800; font-size: 2.8rem; color: var(--teal); line-height:1; margin-bottom:16px; }
.stat-card p{ margin:0 0 10px; font-weight:600; }
.stat-source{ color: var(--text-muted); font-size:.85rem; }

/* Compare */
.compare-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap:24px; max-width:940px; margin: 44px auto 0; text-align:left;
}
.compare-card{
  background:#fff; border-radius: var(--radius-md); padding: 34px 32px;
  box-shadow: 0 12px 40px -20px rgba(11,34,43,.12);
}
.compare-card h3{ font-size:1.2rem; margin-bottom:22px; }
.compare-card--dark{ background: var(--teal-dark); color:#fff; }
.compare-card--dark h3{ color:#fff; }
.cross-list li, .check-list li{
  display:flex; align-items:flex-start; gap:12px;
  padding: 13px 0; border-top: 1px solid var(--border-soft);
  font-size:.95rem;
}
.compare-card--dark .check-list li{ border-top-color: rgba(255,255,255,.16); }
.cross-list li:first-child, .check-list li:first-child{ border-top:none; }
.ico{ flex:none; display:inline-flex; align-items:center; justify-content:center; width:22px; height:22px; border-radius:6px; font-size:.72rem; font-weight:700; margin-top:1px; }
.ico-x{ background: var(--danger-bg); color: var(--danger); }
.ico-check{ background: rgba(255,255,255,.18); color:#fff; }
.compare-card:not(.compare-card--dark) .ico-check{ background: #DCF3EE; color: var(--teal-dark); }
.ico-check-sm{ background:transparent; color: var(--teal); width:auto; height:auto; font-weight:800; }

/* Pricing */
.pricing-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap:24px; max-width:940px; margin: 44px auto 0; text-align:left; align-items:stretch;
}
.price-card{
  background:#fff; border-radius: var(--radius-md); padding: 36px 34px;
  border: 1.5px solid var(--border-soft);
  display:flex; flex-direction:column;
}
.price-card--featured{ border-color: var(--teal); box-shadow: 0 20px 50px -24px rgba(18,165,148,.35); }
.price-tag{
  display:inline-block; background: var(--teal-dark); color:#fff; font-size:.72rem; font-weight:700;
  text-transform:uppercase; letter-spacing:.06em; padding:6px 14px; border-radius: var(--radius-pill); margin-bottom:22px; width:fit-content;
}
.price-tag--muted{ background: transparent; color: var(--teal); padding-left:0; }
.price-amount{ display:flex; align-items:baseline; gap:8px; margin-bottom:6px; flex-wrap:wrap; }
.price-jod{ font-family: var(--font-display); font-weight:800; font-size:2.1rem; }
.price-jod--free{ color: var(--teal); font-size:2.4rem; }
.price-unit{ color: var(--text-muted); font-size:.85rem; }
.price-extra{ font-weight:700; font-family: var(--font-display); margin-bottom:18px; }
.price-example{
  background: var(--mint-2); border-radius:10px; padding:12px 16px; font-size:.88rem; color: var(--text-muted);
  margin-bottom:22px;
}
.price-card .check-list{ margin-bottom:28px; flex:1; }
.price-card .ico-check{ background:#DCF3EE; color:var(--teal-dark); }

/* Features */
.feature-grid{
  display:grid; grid-template-columns: repeat(3,1fr); gap:20px; margin-top:44px; text-align:left;
}
.feature-card{
  background:#fff; border-radius: var(--radius-md); padding: 30px 26px;
  box-shadow: 0 12px 34px -22px rgba(11,34,43,.14);
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}
.feature-card:hover{ transform: translateY(-6px); box-shadow: 0 20px 40px -20px rgba(11,34,43,.22); }
.feature-icon{
  width:44px; height:44px; display:block; margin-bottom:18px;
}
.feature-card h3{ font-size:1.05rem; margin-bottom:8px; }
.feature-card p{ color: var(--text-muted); font-size:.92rem; margin:0; }

/* Steps (dark section) */
.steps{ display:flex; flex-direction:column; gap:80px; margin-top:60px; text-align:left; }
.step{ display:grid; grid-template-columns: 1.15fr 1fr; gap:56px; align-items:center; }
.step--reverse{ grid-template-columns: 1fr 1.15fr; }
.step--reverse .step-visual{ order:2; }
.step--reverse .step-copy{ order:1; }
.step-num{ color: var(--teal-bright); font-weight:800; font-size:.78rem; text-transform:uppercase; letter-spacing:.08em; }
.step-copy h3{ color:#fff; font-size:1.5rem; margin: 12px 0 14px; }
.step-copy p{ color: rgba(255,255,255,.62); font-size:1rem; max-width:420px; }
.browser-card--sm .browser-shot, .browser-card--sm img{
  width:100%;
  border-top: 1px solid #DBEAE6;
  border-radius: 14px;
  box-shadow: 0px 12px 30px -18px #0C253040, 0px 40px 80px -40px #0C253066;
}

/* Banner CTA (bright teal) */
.banner-cta{ background: var(--teal-bright); padding: 64px 0; }
.banner-inner{ display:flex; align-items:center; justify-content:space-between; gap:32px; flex-wrap:wrap; }
.banner-inner h2{ color: var(--navy); font-size: clamp(1.5rem,2.4vw,2rem); margin: 8px 0 10px; max-width:520px; }

/* About us */
.about-grid{ display:grid; grid-template-columns: 1fr 1.4fr; gap:60px; align-items:start; text-align:left; }
.about-link{ display:inline-block; margin-top:14px; color: var(--teal); font-weight:700; font-size:.92rem; }
.about-link:hover{ text-decoration:underline; }
.about-body{ color: var(--text-muted); font-size:1.02rem; line-height:1.7; margin:0; padding-top:6px; }
.accent-strong{ color: var(--teal-dark); font-weight:700; }

/* Contact */
.contact-grid{ display:grid; grid-template-columns: 1fr 1fr; gap:60px; align-items:start; }
.check-list--plain{ margin-top:22px; }
.check-list--plain li{ border:none; padding:8px 0; font-weight:600; }
.contact-info-list{ display:flex; flex-direction:column; gap:10px; margin-top:26px; }
.contact-info-item{
  display:flex; align-items:center; gap:12px;
  background: var(--mint-1); border-radius:10px; padding:12px 16px;
  font-size:.92rem; font-weight:600; color: var(--text);
  transition: background .15s var(--ease);
}
a.contact-info-item:hover{ background: #fff; }
.contact-info-icon{
  flex:none; width:18px; height:18px; display:flex; align-items:center; justify-content:center;
}
.contact-info-icon img{ width:100%; height:100%; object-fit:contain; }
.contact-form{
  background:#fff; border-radius: var(--radius-md); padding: 34px; box-shadow: var(--shadow-card);
}
.form-row{ margin-bottom:18px; }
.form-row label{ display:block; font-weight:700; font-size:.88rem; margin-bottom:8px; }
.form-row input, .form-row select, .form-row textarea{
  width:100%; padding: 13px 16px; border-radius:10px; border:1.5px solid var(--border-soft);
  background: var(--mint-1); font-family: inherit; font-size:.95rem; color: var(--text);
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}
.form-row input:focus, .form-row select:focus, .form-row textarea:focus{
  outline:none; border-color: var(--teal); box-shadow: 0 0 0 4px rgba(18,165,148,.14); background:#fff;
}
.form-row textarea{ resize: vertical; min-height:80px; }
.form-note{ margin: 14px 0 0; font-size:.88rem; text-align:center; min-height:1.2em; }
.form-note.is-success{ color: var(--teal-dark); font-weight:600; }
.form-note.is-error{ color: var(--danger); font-weight:600; }

/* Accordion */
.accordion{ max-width: 780px; margin: 44px auto 0; text-align:left; display:flex; flex-direction:column; gap:14px; }
.accordion-item{ background:#fff; border-radius: var(--radius-md); box-shadow: 0 10px 30px -22px rgba(11,34,43,.16); overflow:hidden; }
.accordion-trigger{
  width:100%; background:none; border:none; display:flex; align-items:center; justify-content:space-between;
  padding: 22px 26px; font-family: var(--font-display); font-weight:700; font-size:1rem; text-align:left; color:var(--text);
}
.accordion-icon{ color: var(--teal); font-size:1rem; transition: transform .25s var(--ease); flex:none; margin-left:16px; }
.accordion-panel{
  max-height:0; overflow:hidden; transition: max-height .35s var(--ease), padding .35s var(--ease);
  padding: 0 26px;
}
.accordion-panel p{ color: var(--text-muted); font-size:.94rem; margin: 0 0 22px; line-height:1.65; }
.accordion-item.is-open .accordion-panel{ max-height: 320px; }
.accordion-item.is-open .accordion-icon{ transform: rotate(45deg); }

/* Final CTA */
.final-cta{ background: var(--navy); position:relative; overflow:hidden; padding: 80px 0; }
.cta-webgl{ position:absolute; inset:0; z-index:0; pointer-events:none; opacity:0; transition: opacity .8s var(--ease); }
.cta-webgl.is-visible{ opacity:1; }
.cta-webgl canvas{ width:100%; height:100%; display:block; }
.final-cta-inner{ display:flex; flex-direction:column; text-align:center; gap:22px; position:relative; z-index:2; max-width:640px; margin:0 auto; }
.final-cta h2{ color:#fff; font-size: clamp(1.8rem, 3vw, 2.5rem); margin-bottom:14px; }
.accent-text-bright{ color: var(--teal-bright); }
.final-cta-graphic{ position:absolute; right:-200px; bottom:-40px; width:220px; opacity:.5; pointer-events:none; z-index:1; }
.final-cta .hero-cta{ justify-content:center; }
.cta-logo-float{ animation: ctaFloat 9s ease-in-out infinite; }
.cta-logo-spin{ width:100%; animation: ctaSway 8s ease-in-out infinite; filter: drop-shadow(0 30px 60px rgba(0,0,0,.4)); transform-origin: 50% 50%; }
@keyframes ctaFloat{
  0%,100%{ transform: translateY(0); }
  50%{ transform: translateY(-18px); }
}
@keyframes ctaSway{
  0%,100%{ transform: rotate(-6deg) scale(1); }
  50%{ transform: rotate(6deg) scale(1.03); }
}

/* Footer */
.site-footer{ background: var(--navy); padding-top: 64px; }
.footer-top{ display:grid; grid-template-columns: 1.3fr 0.85fr 1fr 0.85fr; gap:32px; padding-bottom:48px; }
.footer-logo{ height:64px; margin-bottom:18px; }
.footer-brand p{ color: rgba(255,255,255,.55); font-size:.92rem; max-width:300px; }
.footer-col h4{ color: rgba(255,255,255,.5); font-size:.75rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:18px; }
.footer-col a{ display:block; color: rgba(255,255,255,.75); font-size:.92rem; padding: 7px 0; transition: color .15s var(--ease); }
.footer-address{ display:block; font-size:.92rem; line-height:1.5; color:inherit; }
.footer-contact-link{ display:flex !important; align-items:flex-start; gap:10px; }
.footer-contact-icon{ flex:none; width:16px; height:16px; margin-top:2px; }
.footer-contact-icon img{ width:100%; height:100%; object-fit:contain; }
.footer-col a:hover{ color: var(--teal-bright); }
.footer-bottom{
  display:flex; justify-content:space-between; padding: 22px 0; border-top: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.45); font-size:.85rem;
}

/* ==========================================================================
   Login page
   ========================================================================== */
.login-body{
  background: linear-gradient(160deg, #DFF3EE 0%, #F3FAF8 60%);
  min-height:100vh; display:flex; align-items:center; justify-content:center; padding: 40px 20px;
}
.login-wrap{ width:100%; max-width: 900px; }
.login-card{
  display:grid; grid-template-columns: 340px 1fr;
  background:#fff; border-radius: var(--radius-lg); overflow:hidden;
  box-shadow: 0 40px 80px -30px rgba(11,34,43,.35);
}

.login-side{
  background: var(--teal); padding: 44px 36px; display:flex; flex-direction:column;
  position:relative; overflow:hidden;
}
.login-side::before, .login-side::after{
  content:''; position:absolute; border-radius:50%;
  background: radial-gradient(circle, rgba(255,255,255,.16) 0%, rgba(255,255,255,0) 70%);
  animation: loginDrift 14s ease-in-out infinite;
  pointer-events:none;
}
.login-side::before{ width:280px; height:280px; top:-80px; right:-90px; }
.login-side::after{ width:200px; height:200px; bottom:-60px; left:-60px; animation-delay: -6s; animation-direction: reverse; }
@keyframes loginDrift{
  0%,100%{ transform: translate(0,0) scale(1); }
  50%{ transform: translate(-18px,22px) scale(1.12); }
}
.login-side > *{ position:relative; z-index:1; }
.login-logo{ width:180px; align-self:flex-start; margin-bottom:36px; }
.login-side h2{ color:#fff; font-size:1.5rem; line-height:1.3; }
.login-form-side{ padding: 56px 48px; }
.login-form-side h1{ font-size:1.6rem; margin-bottom:6px; }
.login-sub{ color: var(--text-muted); margin: 0 0 30px; }
.login-message{ margin: 14px 0 0; font-size:.9rem; text-align:center; min-height:1.3em; color: var(--danger); font-weight:600; }
.login-register{ text-align:center; margin: 18px 0 0; font-size:.9rem; color: var(--text-muted); }
.login-register a{ color: var(--teal-dark); font-weight:700; }

/* Back to top */
.back-to-top{
  position: fixed; right: 26px; bottom: 26px; z-index: 200;
  width: 48px; height: 48px; border-radius: 50%;
  background: var(--teal); color:#fff; border:none;
  display:flex; align-items:center; justify-content:center;
  font-size: 1.2rem; line-height:1;
  box-shadow: var(--shadow-float);
  opacity:0; transform: translateY(14px) scale(.9);
  pointer-events:none;
  transition: opacity .3s var(--ease), transform .3s var(--ease), background .2s var(--ease);
}
.back-to-top.is-visible{ opacity:1; transform:none; pointer-events:auto; }
.back-to-top:hover{ background: var(--teal-hover); transform: translateY(-3px); }
.back-to-top:active{ transform: scale(.92); }
.back-to-top-arrow{ transform: translateY(-1px); }

@media (max-width: 760px){
  .back-to-top{ right:16px; bottom:16px; width:44px; height:44px; }
}
/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 980px){
  .hero-grid{ grid-template-columns: 1fr; }
  .float-card{ display:none; }
  .step, .step--reverse{ grid-template-columns: 1fr; gap:24px; }
  .step-copy, .step--reverse .step-copy{ order:1; }
  .step-visual, .step--reverse .step-visual{ order:2; }
  .contact-grid{ grid-template-columns: 1fr; }
  .about-grid{ grid-template-columns: 1fr; gap:24px; }
  .footer-top{ grid-template-columns: 1fr 1fr; }
  .footer-brand{ grid-column: 1 / -1; }
  .login-card{ grid-template-columns: 1fr; }
  .login-side{ padding: 36px; }
}

@media (max-width: 760px){
  .main-nav{ display:none; }
  .menu-toggle{ display:flex; }
  .mobile-nav{ display:flex; }
  .header-actions{ gap:14px; }
  .section{ padding: 64px 0; }
  .hero{ padding: 56px 0 72px; }
  .stat-grid, .compare-grid, .pricing-grid{ grid-template-columns: 1fr; }
  .feature-grid{ grid-template-columns: 1fr 1fr; }
  .banner-inner{ flex-direction:column; align-items:flex-start; text-align:left; }
  .final-cta-graphic{ display:none; }
  .cta-webgl{ display:none; }
  .login-form-side{ padding: 32px 24px; }
}

@media (max-width: 520px){
  .feature-grid{ grid-template-columns: 1fr; }
  .hero-cta{ flex-direction:column; align-items:stretch; }
  .hero-cta .btn{ width:100%; }
}