:root{
  --primary:#13544a;
  --deep:#01332a;
  --light:#5aaea0;
  --soft:#dff0ed;
  --white:#ffffff;
  --black:#000000;

  --bg:#f7fbfa;
  --surface:#ffffff;
  --surface-2:#f3f8f7;
  --line:#d8e8e4;
  --line-strong:#cfe2de;

  --text:#01332a;
  --text-soft:#4a5e5a;
  --text-inverse:#ffffff;

  --shadow-sm:0 4px 10px rgba(1,51,42,.06);
  --shadow-md:0 16px 36px rgba(1,51,42,.08);
  --shadow-lg:0 24px 52px rgba(1,51,42,.14);

  --radius-sm:16px;
  --radius-md:24px;
  --radius-lg:32px;

  --container:1200px;
  --narrow:860px;
  --pad:24px;
  --transition:180ms ease;
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

*,
*::before,
*::after{ box-sizing:border-box; }

html{ scroll-behavior:smooth; }

body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.55;
  text-rendering:optimizeLegibility;
}

img{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button,input,select,textarea{ font:inherit; }

.container{
  width:min(var(--container), calc(100% - 2 * var(--pad)));
  margin:0 auto;
}
.narrow{ max-width:var(--narrow); }

.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); border:0;
}

.skip-link{ position:absolute; left:-9999px; top:auto; }
.skip-link:focus{
  left:20px; top:20px; z-index:9999;
  background:#fff; color:#000; padding:10px 14px;
  border:2px solid var(--primary); border-radius:12px;
}

.site-header{
  position:sticky; top:0; z-index:1000;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid rgba(1,51,42,.08);
}
.nav-row{
  min-height:84px;
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:18px;
}
.brand-logo{ height:38px; width:auto; }

.site-nav{
  justify-self:end;
  display:flex; align-items:center; gap:8px;
}
.site-nav > a,
.site-nav > .nav-link{
  padding:10px 12px; border-radius:14px; font-weight:600;
  transition:background var(--transition), color var(--transition);
}
.site-nav > a:hover, .site-nav > .nav-link:hover{ background:var(--soft); }
.site-nav > a.is-active, .site-nav > .nav-link.is-active{ background:var(--soft); color:var(--deep); }

.nav-actions{
  display:flex; align-items:center; gap:10px;
  justify-self:end;
}
.language-picker{
  position:relative;
}
.language-btn{
  display:inline-flex; align-items:center; gap:8px;
  min-height:44px; padding:0 14px; border-radius:16px;
  border:1px solid var(--line); background:#fff; color:var(--deep);
  box-shadow:var(--shadow-sm); cursor:pointer; font-weight:600;
}
.language-btn:after{
  content:"▾"; font-size:12px; color:var(--text-soft);
}
.language-menu{
  position:absolute; right:0; top:calc(100% + 8px);
  min-width:170px; padding:8px;
  background:#fff; border:1px solid var(--line);
  border-radius:18px; box-shadow:var(--shadow-lg);
  display:none; z-index:20;
}
.language-menu.is-open{ display:block; }
.language-option{
  width:100%; text-align:left; padding:10px 12px;
  border:none; background:transparent; border-radius:12px;
  cursor:pointer; color:var(--deep);
}
.language-option:hover, .language-option.is-active{ background:var(--soft); }

.nav-toggle{
  display:none; width:48px; height:48px;
  border:1px solid var(--line); border-radius:14px; background:#fff;
  align-items:center; justify-content:center; cursor:pointer;
}
.nav-toggle-lines,
.nav-toggle-lines::before,
.nav-toggle-lines::after{
  content:""; display:block; width:18px; height:2px;
  background:var(--deep); border-radius:2px; position:relative;
}
.nav-toggle-lines::before{ position:absolute; top:-6px; }
.nav-toggle-lines::after{ position:absolute; top:6px; }

.hero{
  padding:96px 0 84px;
}
.hero-premium{
  background:
    radial-gradient(circle at 10% 0%, rgba(90,174,160,.18), transparent 34%),
    radial-gradient(circle at 100% 20%, rgba(19,84,74,.10), transparent 28%),
    linear-gradient(180deg, #f7fbfa 0%, #eef7f5 100%);
}
.hero-premium-grid{
  display:grid;
  grid-template-columns:minmax(0,.86fr) minmax(0,1.14fr);
  gap:40px; align-items:center;
}
.hero-copy-premium{ max-width:560px; }
.eyebrow{
  display:inline-flex; align-items:center; padding:6px 12px;
  border-radius:999px; background:var(--soft); color:var(--primary);
  font-size:12px; font-weight:700; letter-spacing:.04em; margin-bottom:16px;
}
.eyebrow-dark{
  background:rgba(255,255,255,.12); color:#dff0ed;
}
.hero-title, h1{
  margin:0 0 18px;
  font-size:clamp(2.8rem, 5.4vw, 5.2rem);
  line-height:.98; letter-spacing:-.045em; color:var(--deep);
}
.hero-subline, .lead, .section-lead{
  max-width:760px; font-size:1.08rem; color:var(--text-soft);
}
.hero-subline{ max-width:520px; }
.hero-cta-row, .cta-row{
  display:flex; flex-wrap:wrap; gap:12px; margin-top:28px;
}
.cta-row-tight{ margin-top:0; }

.hero-trust{
  margin-top:18px; display:flex; align-items:center; gap:10px;
  color:var(--text-soft); font-size:.96rem; font-weight:500;
}
.trust-dot{
  width:10px; height:10px; border-radius:999px; background:var(--primary);
  box-shadow:0 0 0 6px rgba(19,84,74,.10);
}

.hero-product{ position:relative; }
.mockup-shell{ position:relative; min-height:640px; }
.mockup-browser{
  position:relative; background:rgba(255,255,255,.82);
  border:1px solid rgba(1,51,42,.08); border-radius:28px;
  box-shadow:0 30px 80px rgba(1,51,42,.16);
  overflow:hidden; backdrop-filter:blur(10px);
}
.mockup-browser-bar{
  display:flex; align-items:center; gap:8px; padding:14px 18px;
  background:rgba(255,255,255,.88); border-bottom:1px solid rgba(1,51,42,.08);
}
.mockup-browser-bar span{ width:10px; height:10px; border-radius:999px; background:#d8e8e4; }
.mockup-app{
  display:grid; grid-template-columns:200px 1fr; min-height:560px;
}
.mockup-sidebar{
  padding:20px 16px;
  background:linear-gradient(180deg, #f4faf8 0%, #eef7f5 100%);
  border-right:1px solid rgba(1,51,42,.08);
}
.mockup-logo-chip{
  display:inline-flex; align-items:center; min-height:34px; padding:0 12px;
  border-radius:999px; background:var(--deep); color:#fff;
  font-size:12px; font-weight:700; margin-bottom:18px;
}
.mockup-nav-item{
  padding:10px 12px; border-radius:14px; color:var(--text-soft);
  font-size:14px; font-weight:600; margin-bottom:6px;
}
.mockup-nav-item.is-active{ background:var(--soft); color:var(--deep); }
.mockup-main{
  padding:24px; background:linear-gradient(180deg, #ffffff 0%, #fbfdfc 100%);
}
.mockup-topbar{
  display:flex; align-items:flex-start; justify-content:space-between; gap:16px;
  margin-bottom:18px;
}
.mockup-kicker{ font-size:13px; color:var(--text-soft); font-weight:500; }
.mockup-h{ font-size:1.35rem; line-height:1.15; font-weight:700; color:var(--deep); }
.mockup-h.small{ font-size:1rem; }
.mockup-stats{
  display:grid; grid-template-columns:repeat(3, minmax(0, 1fr)); gap:12px; margin-bottom:16px;
}
.mockup-stat{
  background:var(--soft); border-radius:20px; padding:14px;
}
.mockup-stat-value{
  margin-top:4px; font-size:1.3rem; font-weight:700; color:var(--deep);
}
.mockup-course-card, .mockup-table-card{
  border:1px solid var(--line); border-radius:24px; background:#fff; box-shadow:var(--shadow-sm);
}
.mockup-course-card{ padding:18px; margin-bottom:16px; }
.mockup-course-head{
  display:flex; align-items:flex-start; justify-content:space-between; gap:16px; margin-bottom:16px;
}
.mockup-course-title{ font-size:1.05rem; font-weight:700; color:var(--deep); }
.mockup-course-grid{
  display:grid; grid-template-columns:repeat(3, minmax(0, 1fr)); gap:12px;
}
.mockup-table-card{ padding:16px 18px; }
.mockup-table-head{
  display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:8px;
}
.mockup-link{ color:var(--primary); font-size:14px; font-weight:600; }
.mockup-row{
  display:grid; grid-template-columns:1.2fr .9fr auto; gap:12px; align-items:center;
  padding:12px 0; border-top:1px solid var(--line); font-size:14px; color:var(--deep);
}
.floating-card{
  position:absolute; background:#fff; border:1px solid rgba(1,51,42,.08);
  border-radius:20px; box-shadow:0 20px 40px rgba(1,51,42,.12);
  padding:14px 16px; min-width:150px;
}
.floating-card-a{ right:-14px; top:42px; }
.floating-card-b{ left:-8px; bottom:28px; }
.floating-label{ font-size:12px; color:var(--text-soft); margin-bottom:4px; }
.floating-value{ font-size:1.05rem; font-weight:700; color:var(--deep); }

.section{ padding:88px 0; }
.section-white{ background:var(--white); }
.section-soft{ background:#f7fbfa; }
.section-light{
  background:linear-gradient(180deg, rgba(90,174,160,.16) 0%, rgba(223,240,237,.46) 100%);
}
.section-deep{
  background:var(--deep); color:var(--white);
}
.page-hero{ padding:72px 0 34px; }
.page-hero-soft{ background:linear-gradient(180deg, #f7fbfa 0%, #ffffff 100%); }
.page-hero-light{ background:linear-gradient(180deg, #eef7f5 0%, #ffffff 100%); }

h2{
  margin:0 0 12px; font-size:clamp(2rem, 3vw, 3rem); line-height:1.08;
  letter-spacing:-.02em;
}
h3{ margin:0 0 10px; font-size:1.2rem; line-height:1.2; }
p{ margin:0; }
.large{ font-size:1.14rem; }
.on-dark h2{ color:#fff; }
.on-dark-text{ color:rgba(255,255,255,.8); }

.section-head{ margin-bottom:32px; }

.grid{ display:grid; gap:20px; }
.grid-2{ grid-template-columns:repeat(2, minmax(0,1fr)); }
.grid-3{ grid-template-columns:repeat(3, minmax(0,1fr)); }
.grid-4{ grid-template-columns:repeat(4, minmax(0,1fr)); }

.card{
  background:var(--surface); border:1px solid var(--line);
  border-radius:32px; padding:28px; box-shadow:var(--shadow-md);
}
.card-large{ padding:36px; }
.feature-card{ min-height:100%; }
.card-head{
  display:flex; align-items:flex-start; justify-content:space-between; gap:16px;
}
.card-title-xl{ font-size:1.8rem; line-height:1.15; margin:4px 0 0; }
.subtle-label{ font-size:14px; color:var(--text-soft); font-weight:500; }
.subtle-text{ font-size:14px; color:var(--text-soft); }

.stats-grid{
  display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:14px; margin-top:24px;
}
.stat-box{
  background:var(--soft); border-radius:24px; padding:16px;
}
.stat-value{ margin-top:4px; font-weight:600; color:var(--deep); }

.dashboard-footer{
  display:grid; grid-template-columns:1fr auto; gap:16px; align-items:end; margin-top:24px;
}
.progress-block{
  display:flex; align-items:center; gap:14px;
}
.progress-block-inline{ margin-top:8px; }
.progress-title{ font-size:15px; font-weight:600; color:var(--deep); }

.ring{
  --circumference:188.4956;
  position:relative; width:72px; height:72px; flex:0 0 72px;
}
.ring svg{ width:72px; height:72px; transform:rotate(-90deg); }
.ring-bg{ fill:none; stroke:var(--soft); stroke-width:10; }
.ring-fg{
  fill:none; stroke:var(--primary); stroke-width:10; stroke-linecap:round;
  stroke-dasharray:188.4956;
  stroke-dashoffset:calc(188.4956 - (var(--value) / 100) * 188.4956);
}
.ring span{
  position:absolute; inset:0; display:grid; place-items:center;
  font-size:14px; font-weight:600; color:var(--deep);
}
.ring-small{ width:64px; height:64px; flex:0 0 64px; }
.ring-small svg{ width:64px; height:64px; }
.ring-small span{ font-size:12px; }

.list{ margin:14px 0 0; padding-left:18px; }
.list li{ margin:8px 0; }

.tag-row{ display:flex; gap:10px; flex-wrap:wrap; margin-top:22px; }

.pill{
  display:inline-flex; align-items:center; justify-content:center;
  padding:6px 12px; border-radius:999px; font-size:12px; font-weight:600;
}
.pill-default{ background:var(--soft); color:var(--deep); }
.pill-success{ background:#e9f7f4; color:var(--primary); }
.pill-muted{ background:#f6f8f8; color:#4b5b58; }

.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  min-height:46px; padding:0 16px; border-radius:18px;
  border:1px solid transparent; font-size:14px; font-weight:600;
  box-shadow:var(--shadow-sm);
  transition:transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
}
.btn:hover{ transform:translateY(-1px); box-shadow:var(--shadow-md); }
.btn-primary{ background:var(--primary); color:var(--white); }
.btn-primary:hover{ background:var(--deep); color:var(--white); }
.btn-secondary{ background:var(--light); color:var(--deep); }
.btn-secondary:hover{ background:#4ca395; }
.btn-ghost{ background:var(--white); color:var(--deep); border-color:var(--soft); }
.btn-ghost:hover{ background:var(--surface-2); }
.btn-deep{ background:var(--deep); color:var(--white); }
.btn-deep:hover{ background:#022720; color:var(--white); }
.btn-white{ background:var(--white); color:var(--deep); }
.btn-white:hover{ background:#f0f7f5; }
.btn-outline-light{
  background:transparent; color:var(--white);
  border-color:rgba(255,255,255,.28); box-shadow:none;
}
.btn-outline-light:hover{ background:rgba(255,255,255,.08); color:var(--white); }
.btn-small{ min-height:38px; padding:0 12px; border-radius:14px; font-size:13px; }

.compare-table{
  border:1px solid rgba(255,255,255,.18); border-radius:24px; overflow:hidden;
  background:rgba(255,255,255,.04);
}
.compare-row{ display:grid; grid-template-columns:1fr 1fr 1fr; }
.compare-row > div{ padding:18px; border-bottom:1px solid rgba(255,255,255,.12); }
.compare-head > div{ font-weight:700; background:rgba(255,255,255,.06); }
.compare-key{ font-weight:700; }

.cta-panel{
  display:flex; align-items:center; justify-content:space-between; gap:24px;
  padding:30px; border-radius:32px; border:1px solid var(--line); box-shadow:var(--shadow-md);
}
.cta-panel-accent{ background:linear-gradient(180deg, #ffffff 0%, #f3f8f7 100%); }
.cta-panel-dark{
  background:linear-gradient(180deg, rgba(255,255,255,.04) 0%, rgba(255,255,255,.02) 100%);
  border-color:rgba(255,255,255,.12); color:var(--white);
}

.pricing-shell{ max-width:1120px; }
.pricing-grid{ align-items:stretch; }
.pricing-card{ display:flex; flex-direction:column; min-height:100%; }
.pricing-featured{
  border-color:rgba(19,84,74,.22); box-shadow:0 18px 40px rgba(19,84,74,.10);
}
.price-value{
  margin:18px 0; font-size:1.8rem; line-height:1; font-weight:700; color:var(--primary);
}

.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.note-box{
  margin-top:18px; padding:16px; border-radius:24px; background:var(--soft);
  border:1px solid var(--line-strong); color:var(--deep); font-weight:500;
}
.form{ display:grid; gap:14px; margin-top:8px; }
.form label{
  display:grid; gap:8px; font-size:14px; font-weight:600; color:var(--deep);
}
.form input, .form select, .form textarea{
  width:100%; border:1px solid #cfe2de; border-radius:24px; background:var(--white);
  color:var(--deep); padding:14px 16px; outline:none;
}
.form input:focus, .form select:focus, .form textarea:focus{
  border-color:var(--primary); box-shadow:0 0 0 4px rgba(19,84,74,.12);
}
.form textarea{ resize:vertical; min-height:130px; }
.form-hint{ font-size:14px; color:var(--text-soft); }

.product-showcase{
  display:grid; grid-template-columns:.9fr 1.1fr; gap:32px; align-items:center;
}
.showcase-points{ margin-top:22px; display:grid; gap:12px; }
.showcase-point{
  display:flex; align-items:flex-start; gap:10px; color:var(--deep); font-weight:500;
}
.showcase-dot{
  width:10px; height:10px; border-radius:999px; background:var(--primary);
  margin-top:7px; box-shadow:0 0 0 6px rgba(19,84,74,.08);
}
.product-device-stack{ position:relative; min-height:520px; }
.device{
  background:#fff; border:1px solid rgba(1,51,42,.08);
  box-shadow:0 24px 60px rgba(1,51,42,.14);
}
.device-desktop{ border-radius:28px; padding:16px; }
.device-mobile{
  position:absolute; right:-8px; bottom:-18px; width:220px;
  border-radius:30px; padding:10px;
}
.device-screen{
  background:linear-gradient(180deg, #fbfdfc 0%, #f4faf8 100%);
  border-radius:20px; min-height:100%; padding:18px;
}
.device-ui-top{
  display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:14px;
}
.device-chart{
  height:160px; border-radius:20px;
  background:
    linear-gradient(180deg, rgba(90,174,160,.26), rgba(223,240,237,.8)),
    linear-gradient(90deg, rgba(1,51,42,.04) 1px, transparent 1px),
    linear-gradient(rgba(1,51,42,.04) 1px, transparent 1px);
  background-size:auto, 28px 28px, 28px 28px;
  margin-bottom:14px;
}
.device-cards{
  display:grid; grid-template-columns:repeat(3, minmax(0, 1fr)); gap:12px;
}
.device-mobile-head{
  height:28px; border-radius:14px; background:var(--soft); margin-bottom:12px;
}
.device-mobile-card{
  height:92px; border-radius:18px; background:#fff; border:1px solid var(--line); margin-bottom:10px;
}
.device-mobile-card.short{ height:64px; }

.site-footer{
  padding:34px 0; background:#ffffff; border-top:1px solid rgba(1,51,42,.08);
}
.footer-inner{
  display:flex; align-items:flex-end; justify-content:space-between; gap:24px;
}
.footer-logo{ height:30px; width:auto; margin-bottom:10px; }
.footer-text{ max-width:320px; color:var(--text-soft); }
.footer-nav{ display:flex; gap:18px; flex-wrap:wrap; }
.footer-nav a{ font-weight:500; color:var(--deep); }

.toast{
  position:fixed; left:50%; bottom:22px; transform:translateX(-50%);
  padding:12px 16px; background:#fff; color:var(--deep);
  border:1px solid var(--line); border-radius:16px; box-shadow:var(--shadow-lg); z-index:2000;
}

@media (max-width: 1080px){
  .hero-premium-grid, .product-showcase,
  .grid-4, .grid-3, .grid-2, .contact-grid{
    grid-template-columns:1fr;
  }
  .cta-panel, .footer-inner{ flex-direction:column; align-items:flex-start; }
  .stats-grid, .mockup-stats, .mockup-course-grid, .device-cards{ grid-template-columns:1fr; }
  .dashboard-footer{ grid-template-columns:1fr; }
  .mockup-shell, .product-device-stack{ min-height:0; }
  .floating-card-a{ right:10px; top:16px; }
  .floating-card-b{ left:10px; bottom:14px; }
  .device-mobile{ position:static; width:220px; margin-top:16px; }
}

@media (max-width: 900px){
  .nav-row{
    grid-template-columns:auto auto auto;
  }
  .site-nav{
    display:none; position:absolute; top:76px; right:var(--pad);
    width:min(320px, calc(100% - 2 * var(--pad)));
    flex-direction:column; align-items:stretch; background:#fff; padding:12px;
    border:1px solid var(--line); border-radius:20px; box-shadow:var(--shadow-lg);
    z-index:25;
  }
  .site-nav.is-open{ display:flex; }
  .site-nav > a, .site-nav > .nav-link{ width:100%; }
  .nav-toggle{ display:inline-flex; justify-self:end; }

  .nav-actions{
    justify-self:auto;
  }

  .hero{ padding:72px 0 56px; }
  .page-hero{ padding:56px 0 24px; }
  .hero-title, h1{ font-size:clamp(2.35rem, 10vw, 3.5rem); }
  h2{ font-size:clamp(1.8rem, 8vw, 2.4rem); }
  .hero-subline{ font-size:1rem; max-width:36ch; }
  .section{ padding:68px 0; }
  .mockup-app{ grid-template-columns:1fr; }
  .mockup-sidebar{ border-right:none; border-bottom:1px solid rgba(1,51,42,.08); }
  .mockup-row, .compare-row{ grid-template-columns:1fr; }
  .compare-head > div:first-child{ display:none; }
  .floating-card{ position:static; margin-top:12px; }
  .device-mobile{ width:100%; }
}

@media (max-width: 640px){
  :root{ --pad:18px; }
  .brand-logo{ height:32px; }
  .card, .cta-panel{ padding:22px; border-radius:26px; }
  .mockup-main, .mockup-course-card, .mockup-table-card{ padding:16px; }
  .language-btn{ min-height:40px; padding:0 12px; }
}