:root{--ink:#10284a;--blue:#1464f6;--cyan:#19a6ce;--soft:#f4f8ff;--line:#d8e4f2;--muted:#566985;--navy:#08265d}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--soft);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif}.site-header{min-height:80px;padding:14px clamp(22px,5vw,72px);display:flex;align-items:center;justify-content:space-between;gap:24px;background:#fff;border-bottom:1px solid var(--line)}.site-header img{display:block;width:min(230px,48vw);height:auto}.home-link{color:var(--blue);font-size:14px;font-weight:850;text-decoration:none}.shell{width:min(1240px,calc(100% - 40px));margin:auto}.hero{position:relative;overflow:hidden;margin:32px 0 24px;padding:clamp(42px,7vw,92px);border-radius:30px;background:linear-gradient(135deg,#08265d,#1355bb);color:#fff}.hero:after{content:"";position:absolute;right:-90px;top:-135px;width:510px;height:510px;border:1px solid rgba(170,224,255,.45);border-radius:50%;box-shadow:0 0 0 58px rgba(170,224,255,.08),0 0 0 116px rgba(170,224,255,.05)}.hero-content{position:relative;z-index:1;max-width:710px}.eyebrow{margin:0 0 12px;color:#3ec9eb;font-size:12px;font-weight:900;letter-spacing:.14em}.hero h1{max-width:680px;margin:0;font-size:clamp(45px,6vw,74px);line-height:.98;letter-spacing:-.06em}.hero-copy{margin:22px 0 0;max-width:650px;color:#dcecff;font-size:18px;line-height:1.65}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:47px;padding:12px 18px;border:1px solid transparent;border-radius:9px;background:#fff;color:#104eaf;font-size:14px;font-weight:900;text-decoration:none}.button.alt{border-color:rgba(255,255,255,.7);background:transparent;color:#fff}.section{margin:24px 0;padding:clamp(30px,5vw,62px);border:1px solid var(--line);border-radius:24px;background:#fff;box-shadow:0 12px 34px rgba(20,55,105,.06)}.section-head{max-width:760px;margin-bottom:28px}.section h2{margin:0;font-size:clamp(31px,4vw,48px);letter-spacing:-.05em;line-height:1.08}.section-intro{margin:14px 0 0;color:var(--muted);font-size:17px;line-height:1.65}.language-group+.language-group{margin-top:36px}.group-title{display:flex;align-items:baseline;gap:12px;margin:0 0 16px}.group-title h3{margin:0;font-size:24px;letter-spacing:-.04em}.group-title span{color:var(--muted);font-size:13px;font-weight:750}.language-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}.language-card{min-height:210px;padding:14px;border:1px solid #dce6f2;border-radius:17px;background:#fbfdff;transition:transform .18s,box-shadow .18s,border-color .18s}.language-card:hover,.language-card:focus-within{border-color:#88b6f5;box-shadow:0 12px 24px rgba(20,100,246,.1);transform:translateY(-2px)}.teacher-pair-slot{display:grid;grid-template-columns:1fr 1fr;gap:8px;min-height:95px;padding:9px;border:1px dashed #b9cbe4;border-radius:12px;background:linear-gradient(135deg,#edf5ff,#f8fbff)}.teacher-placeholder{display:grid;place-items:center;border-radius:8px;background:rgba(255,255,255,.8);color:#58708f;font-size:11px;font-weight:850;text-align:center}.teacher-placeholder:before{content:"";display:block;width:22px;height:22px;margin:0 auto 4px;border:2px solid currentColor;border-radius:50%}.language-card h4{margin:13px 0 4px;font-size:17px;letter-spacing:-.025em}.language-card p{margin:0;color:#55708e;font-size:12px;font-weight:800}.mode-grid,.feature-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.mode-card,.feature-card{padding:28px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(135deg,#f8fbff,#fff)}.mode-card h3,.feature-card h3{margin:0 0 10px;font-size:25px;letter-spacing:-.04em}.mode-card p,.feature-card p,.feature-card li{color:var(--muted);line-height:1.65}.levels{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;margin-top:24px}.level{padding:18px 14px;border-top:4px solid var(--blue);border-radius:12px;background:#f5f9ff;font-weight:850;line-height:1.25}.level small{display:block;margin-bottom:5px;color:#6280aa;font-size:11px;letter-spacing:.08em}.ancient{background:linear-gradient(135deg,#fffaf1,#fff)}.ancient .feature-card{background:rgba(255,255,255,.75)}.disclosure{margin-top:22px;padding:18px;border-left:4px solid #b27a24;border-radius:0 12px 12px 0;background:#fff6e7;color:#614817;line-height:1.65}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{padding:22px;border-radius:17px;background:#f7faff}.step strong{display:grid;place-items:center;width:30px;height:30px;margin-bottom:14px;border-radius:50%;background:var(--blue);color:#fff;font-size:13px}.step h3{margin:0 0 7px;font-size:18px}.step p{margin:0;color:var(--muted);font-size:14px;line-height:1.55}.request{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;background:linear-gradient(135deg,#eaf4ff,#fff)}.request-box{padding:24px;border:1px dashed #90b9ed;border-radius:17px;background:rgba(255,255,255,.76)}.request-box p{margin:0;color:var(--muted);line-height:1.6}.support{display:flex;justify-content:space-between;gap:22px;align-items:center}.support h2{max-width:580px}.support p{max-width:620px;color:var(--muted);line-height:1.6}.closing{text-align:center;background:linear-gradient(135deg,#08265d,#1355bb);color:#fff}.closing h2{max-width:700px;margin:auto}.closing p{max-width:630px;margin:16px auto;color:#dcecff;line-height:1.65}.closing .actions{justify-content:center}.footer{padding:26px 0 36px;color:#64748b;font-size:13px}.footer-inner{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.button:focus-visible,.language-card:focus-visible{outline:3px solid #10a6cf;outline-offset:3px}@media(max-width:1000px){.language-grid{grid-template-columns:repeat(3,1fr)}.levels{grid-template-columns:repeat(3,1fr)}.steps{grid-template-columns:repeat(2,1fr)}}@media(max-width:700px){.site-header{min-height:70px}.hero{margin-top:20px;padding:42px 27px}.hero-copy{font-size:16px}.language-grid,.mode-grid,.feature-grid,.request{grid-template-columns:1fr}.levels,.steps{grid-template-columns:1fr 1fr}.support{display:block}.support .button{margin-top:12px}.section{padding:28px 20px}.group-title{display:block}.group-title span{display:block;margin-top:4px}}@media(max-width:430px){.language-grid,.levels,.steps{grid-template-columns:1fr}.hero h1{font-size:43px}}

/* Fluent-Path demo-first presentation additions. */
.fluent-demo-hero{display:flex;justify-content:space-between;gap:32px;align-items:center}.hero-links{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}.hero-links a{color:#dcecff;font-size:12px;font-weight:850;text-decoration:none;border-bottom:1px solid rgba(220,236,255,.6)}.button.signup{background:#73d8ef;color:#073779}.hero-art-slot{width:min(300px,32%);min-height:220px;display:grid;place-items:center;padding:22px;border:1px dashed rgba(220,236,255,.75);border-radius:20px;color:#dcecff;font-size:12px;font-weight:850;line-height:1.5;text-align:center}.fluent-demo{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:center;background:#eaf4ff}.video-slot{min-height:230px;padding:28px;border-radius:18px;display:grid;place-content:center;gap:10px;text-align:center;background:linear-gradient(135deg,#08265d,#1464f6);color:#fff}.video-slot b{font-size:44px;line-height:1}.video-slot small{color:#dcecff;line-height:1.5}.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}.preview-grid details{border:1px solid var(--line);border-radius:15px;background:#f8fbff;padding:17px}.preview-grid summary{cursor:pointer;color:#124b9d;font-weight:900}.preview-grid p{color:var(--muted);line-height:1.55}.preview-grid details[open]{box-shadow:0 10px 24px rgba(20,100,246,.08)}@media(max-width:700px){.fluent-demo-hero,.fluent-demo,.preview-grid{grid-template-columns:1fr;display:grid}.hero-art-slot{width:100%;min-height:110px}.preview-grid{gap:10px}}

/* Approved Fluent-Path group art is framed by CSS only; the source asset remains unchanged. */
/* Fluent-Path hero v6: teacher group above a six-plaque rotating language rail. */
.fluent-demo-hero{
  position:relative;
  min-height:670px;
  padding:30px clamp(22px,3vw,42px) 132px;
  display:grid;
  grid-template-columns:minmax(280px,.68fr) minmax(0,1.92fr);
  align-items:end;
  gap:clamp(8px,1.5vw,18px);
  overflow:hidden;
  background:
    radial-gradient(circle at 78% 38%,rgba(55,171,239,.28),transparent 44%),
    linear-gradient(120deg,#061f4b 0%,#0b4ea4 56%,#1168b8 100%);
}
.fluent-demo-hero .hero-content{
  position:relative;
  z-index:4;
  width:100%;
  max-width:320px;
  align-self:center;
  padding:17px 18px 18px;
  margin:0 0 8px;
  border:1px solid rgba(187,226,255,.20);
  border-radius:18px;
  background:rgba(4,31,78,.66);
  box-shadow:0 14px 32px rgba(1,20,61,.16);
  backdrop-filter:blur(3px);
}
.fluent-demo-hero .hero-content h1{margin:0 0 12px;font-size:clamp(36px,3.8vw,49px);line-height:.99;letter-spacing:-.04em}
.fluent-demo-hero .hero-copy{margin:0 0 14px;font-size:13.5px;line-height:1.52}
.fluent-demo-hero .actions{gap:9px;margin-top:12px}
.fluent-demo-hero .actions a,.fluent-demo-hero .actions button{padding:10px 14px}
.fluent-demo-hero .hero-links{margin-top:10px;font-size:10.5px}
.fluent-group-hero{
  position:relative;
  z-index:2;
  justify-self:center;
  align-self:end;
  width:106%;
  height:auto;
  max-width:none;
  max-height:none;
  margin:0 0 0 -3%;
  transform:none;
  object-fit:contain;
  object-position:center bottom;
  filter:drop-shadow(0 20px 20px rgba(1,20,61,.22));
}

/* Fluent-Path language rail v3: six approved image plaques per page, below the teacher group. */
.language-discovery.language-rail{
  position:absolute;
  z-index:6;
  left:16px;
  right:16px;
  bottom:12px;
  width:auto;
  padding:8px 10px 7px;
  border:1px solid rgba(218,239,255,.28);
  border-radius:16px;
  background:linear-gradient(180deg,rgba(4,31,78,.72),rgba(4,31,78,.58));
  box-shadow:0 14px 30px rgba(1,20,61,.20);
  backdrop-filter:blur(8px);
}
.language-rail-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.language-discovery-label{margin:0;color:#f4fbff;font-size:10px;font-weight:950;letter-spacing:.11em;text-transform:uppercase}
.language-discovery-help{margin:2px 0 0;color:#bcdff4;font-size:8.5px;font-weight:700}
.language-rail-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.language-page-count{color:#c9e8fa;font-size:8.5px;font-weight:850;letter-spacing:.04em}
.language-more-button{padding:5px 9px;border:1px solid rgba(237,207,126,.70);border-radius:999px;background:linear-gradient(180deg,rgba(238,199,102,.20),rgba(238,199,102,.08));color:#fff4d2;font:inherit;font-size:8.5px;font-weight:900;cursor:pointer}
.language-more-button:hover,.language-more-button:focus-visible{background:rgba(238,199,102,.25);outline:2px solid rgba(255,239,183,.55);outline-offset:2px}
.language-discovery-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:7px;align-items:center}
.language-plaque-button{display:flex;align-items:center;justify-content:center;min-width:0;padding:0;border:0;background:transparent;cursor:pointer;border-radius:8px;transition:transform .16s ease,filter .16s ease,box-shadow .16s ease}
.language-plaque-button:hover,.language-plaque-button:focus-visible{transform:translateY(-2px) scale(1.015);filter:brightness(1.08);outline:none;box-shadow:0 6px 15px rgba(0,0,0,.20)}
.language-plaque-button.is-speaking{box-shadow:0 0 0 2px rgba(255,235,158,.80),0 6px 15px rgba(0,0,0,.20)}
.language-plaque-image{display:block;width:100%;height:54px;object-fit:contain;object-position:center}
.language-audio-status{margin-top:5px;min-height:12px;color:#cce7f8;font-size:8px;font-weight:700;text-align:left;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.language-coming-soon{grid-column:span 5;display:flex;align-items:center;justify-content:center;min-height:54px;padding:8px 16px;border:1px solid rgba(237,207,126,.52);border-radius:10px;background:linear-gradient(135deg,rgba(238,199,102,.14),rgba(255,255,255,.04));color:#fff1c6;font-family:Georgia,"Times New Roman",serif;font-size:clamp(16px,2vw,24px);font-weight:800;letter-spacing:.01em;text-align:center}

@media(max-width:980px){
  .fluent-demo-hero{min-height:640px;grid-template-columns:minmax(260px,.76fr) minmax(0,1.65fr);padding:28px 22px 158px;gap:8px}
  .fluent-demo-hero .hero-content{max-width:300px;padding:16px;margin-bottom:8px}
  .fluent-demo-hero .hero-content h1{font-size:clamp(34px,4.5vw,44px)}
  .fluent-group-hero{width:108%;margin:0 0 0 -5%}
  .language-discovery-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
  .language-plaque-image{height:50px}
  .language-coming-soon{grid-column:span 2}
}

@media(max-width:720px){
  .fluent-demo-hero{min-height:0;grid-template-columns:1fr;padding:24px 18px 18px;gap:16px}
  .fluent-demo-hero .hero-content{grid-row:1;width:100%;max-width:none;margin:0;align-self:start}
  .fluent-demo-hero .hero-content h1{font-size:clamp(36px,9vw,48px)}
  .fluent-group-hero{grid-row:2;width:100%;max-width:100%;margin:0;justify-self:center;align-self:end}
  .language-discovery.language-rail{position:relative;grid-row:3;left:auto;right:auto;bottom:auto;width:100%;margin:0;padding:10px}
  .language-rail-top{align-items:flex-start}
  .language-discovery-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:7px}
  .language-plaque-image{height:auto;max-height:66px}
  .language-coming-soon{grid-column:span 1;min-height:60px;font-size:18px}
  .language-audio-status{white-space:normal}
}

@media(max-width:430px){
  .fluent-demo-hero{padding:20px 12px 14px}
  .fluent-demo-hero .hero-content{padding:15px}
  .fluent-demo-hero .hero-content h1{font-size:36px}
  .language-rail-top{display:block}
  .language-rail-actions{justify-content:space-between;margin-top:6px}
}

/* Fluent-Path hero feature strip v2: premium gold/glass presentation above approved teacher artwork. */
.fluent-demo-hero .hero-content{
  grid-column:1;
  grid-row:1;
}

.fluent-feature-strip{
  position:relative;
  grid-column:2;
  grid-row:1;
  align-self:start;
  justify-self:stretch;
  z-index:5;

  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:10px;

  margin:6px 0 0;
  padding:10px;

  border:1px solid rgba(237,199,102,.48);
  border-radius:18px;

  background:
    radial-gradient(circle at 20% 0%,rgba(255,226,142,.13),transparent 34%),
    linear-gradient(180deg,rgba(3,24,61,.78),rgba(4,31,78,.54));

  box-shadow:
    0 16px 34px rgba(0,12,40,.24),
    inset 0 1px 0 rgba(255,255,255,.08),
    inset 0 0 28px rgba(31,111,190,.08);

  backdrop-filter:blur(8px);
}

.fluent-feature-strip::before{
  content:"";
  position:absolute;
  inset:5px;
  pointer-events:none;
  border:1px solid rgba(255,230,159,.16);
  border-radius:13px;
}

.fluent-feature-strip::after{
  content:"";
  position:absolute;
  left:50%;
  top:-4px;
  width:34px;
  height:8px;
  transform:translateX(-50%);
  border-radius:999px;
  background:linear-gradient(90deg,transparent,#e6bd63,transparent);
  opacity:.85;
  pointer-events:none;
}

.fluent-feature-badge{
  position:relative;
  isolation:isolate;
  min-width:0;
  min-height:62px;

  display:grid;
  grid-template-columns:38px 1fr;
  align-items:center;
  gap:9px;

  padding:9px 10px;

  border:1px solid rgba(238,202,112,.56);
  border-radius:13px;

  background:
    linear-gradient(145deg,rgba(15,54,105,.88),rgba(4,27,66,.92));

  color:#fff;
  text-align:left;

  box-shadow:
    0 7px 16px rgba(0,10,34,.20),
    inset 0 1px 0 rgba(255,255,255,.09),
    inset 0 0 0 1px rgba(255,236,178,.03);

  overflow:hidden;
  transition:transform .16s ease,border-color .16s ease,box-shadow .16s ease,filter .16s ease;
}

.fluent-feature-badge::before{
  content:"";
  position:absolute;
  z-index:-1;
  inset:0;
  background:
    linear-gradient(115deg,rgba(255,255,255,.08),transparent 32%),
    radial-gradient(circle at 88% 10%,rgba(47,174,239,.13),transparent 34%);
  pointer-events:none;
}

.fluent-feature-badge::after{
  content:"â—†";
  position:absolute;
  right:7px;
  bottom:4px;
  color:rgba(231,190,88,.36);
  font-size:7px;
  line-height:1;
}

.fluent-feature-badge:hover{
  transform:translateY(-2px);
  border-color:rgba(255,222,132,.86);
  filter:brightness(1.06);
  box-shadow:
    0 10px 20px rgba(0,10,34,.28),
    0 0 18px rgba(229,189,91,.09),
    inset 0 1px 0 rgba(255,255,255,.12);
}

.fluent-feature-badge strong{
  min-width:0;
  color:#f7fbff;
  font-family:Georgia,"Times New Roman",serif;
  font-size:11px;
  line-height:1.12;
  font-weight:800;
  letter-spacing:.005em;
  text-shadow:0 1px 2px rgba(0,0,0,.28);
}

.fluent-feature-mark{
  position:relative;
  flex:0 0 auto;
  display:grid;
  place-items:center;

  width:38px;
  height:38px;

  border:1px solid #f1d27c;
  border-radius:50%;

  background:
    radial-gradient(circle at 35% 28%,#fff0b8 0 8%,#e9c267 9% 28%,#a96f19 58%,#67400d 100%);

  color:#071f4a;
  font-family:Georgia,"Times New Roman",serif;
  font-size:12px;
  font-weight:950;

  box-shadow:
    0 0 0 3px rgba(239,204,112,.12),
    0 5px 12px rgba(0,0,0,.28),
    inset 0 1px 1px rgba(255,255,255,.65),
    inset 0 -2px 3px rgba(89,49,0,.32);

  text-shadow:0 1px 0 rgba(255,255,255,.35);
}

.fluent-feature-mark::after{
  content:"";
  position:absolute;
  inset:4px;
  border:1px solid rgba(74,43,0,.35);
  border-radius:50%;
}

.fluent-feature-badge:nth-child(2) .fluent-feature-mark{
  background:
    radial-gradient(circle at 35% 28%,#e9fbff 0 8%,#77d6f0 9% 27%,#1873b4 58%,#0a3d75 100%);
  border-color:#9fe6f6;
  color:#fff;
  box-shadow:
    0 0 0 3px rgba(100,210,239,.10),
    0 5px 12px rgba(0,0,0,.28),
    inset 0 1px 1px rgba(255,255,255,.58),
    inset 0 -2px 3px rgba(0,39,78,.35);
}

.fluent-feature-badge:nth-child(3) .fluent-feature-mark{
  background:
    radial-gradient(circle at 35% 28%,#fff0b8 0 8%,#e9c267 9% 28%,#a96f19 58%,#67400d 100%);
}

.fluent-feature-badge:nth-child(4) .fluent-feature-mark{
  background:
    radial-gradient(circle at 35% 28%,#e9fbff 0 8%,#77d6f0 9% 27%,#1873b4 58%,#0a3d75 100%);
  border-color:#9fe6f6;
  color:#fff;
}

.fluent-group-hero{
  grid-column:2;
  grid-row:1;
}

@media(max-width:980px){
  .fluent-feature-strip{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:7px;
    margin-top:3px;
    padding:8px;
  }

  .fluent-feature-badge{
    min-height:48px;
    grid-template-columns:31px 1fr;
    gap:7px;
    padding:7px 8px;
  }

  .fluent-feature-mark{
    width:31px;
    height:31px;
    font-size:10px;
  }

  .fluent-feature-badge strong{
    font-size:9.5px;
  }
}

@media(max-width:720px){
  .fluent-demo-hero .hero-content{
    grid-column:1;
    grid-row:1;
  }

  .fluent-feature-strip{
    grid-column:1;
    grid-row:2;
    margin:0;
    grid-template-columns:repeat(2,minmax(0,1fr));
  }

  .fluent-group-hero{
    grid-column:1;
    grid-row:3;
  }

  .language-discovery.language-rail{
    grid-row:4;
  }
}

@media(max-width:430px){
  .fluent-feature-strip{
    grid-template-columns:1fr 1fr;
    padding:7px;
  }

  .fluent-feature-badge{
    min-height:50px;
    grid-template-columns:29px 1fr;
  }

  .fluent-feature-mark{
    width:29px;
    height:29px;
  }

  .fluent-feature-badge strong{
    font-size:8.8px;
  }
}