/* GLOBUS Edu 2026 — custom layer on top of Tailwind (blue / light premium) */

:root{
  --blue-700:#1D4ED8; --blue-600:#2563EB; --blue-500:#3B82F6;
  --ink:#0F172A; --muted:#475569; --bg:#F8FAFC; --line:#E2E8F0;
}

html{ scroll-behavior:smooth; }
body{ font-family:"Inter",system-ui,-apple-system,Segoe UI,Roboto,sans-serif; color:var(--ink); background:var(--bg); -webkit-font-smoothing:antialiased; }
::selection{ background:#bfdbfe; }

/* ---------- scroll reveal ---------- */
.reveal{ opacity:0; transform:translateY(26px); transition:opacity .7s cubic-bezier(.22,1,.36,1), transform .7s cubic-bezier(.22,1,.36,1); }
.reveal.in{ opacity:1; transform:none; }
.reveal[data-delay="1"]{ transition-delay:.08s } .reveal[data-delay="2"]{ transition-delay:.16s }
.reveal[data-delay="3"]{ transition-delay:.24s } .reveal[data-delay="4"]{ transition-delay:.32s }
@media (prefers-reduced-motion:reduce){ .reveal{ opacity:1; transform:none; transition:none; } }

/* ---------- glass ---------- */
.glass{ background:rgba(255,255,255,.65); -webkit-backdrop-filter:blur(16px); backdrop-filter:blur(16px); border:1px solid rgba(255,255,255,.7); box-shadow:0 18px 50px rgba(30,64,175,.12); }
.glass-card{ background:rgba(255,255,255,.7); -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px); border:1px solid rgba(226,232,240,.9); }

/* ---------- navbar ---------- */
#nav{ transition:background .3s ease, box-shadow .3s ease, backdrop-filter .3s ease; }
#nav.scrolled{ background:rgba(255,255,255,.8); -webkit-backdrop-filter:blur(14px); backdrop-filter:blur(14px); box-shadow:0 8px 30px rgba(15,23,42,.08); border-bottom:1px solid var(--line); }

/* ---------- hero globe stage ---------- */
.hero-stage{ position:relative; }
.globe-wrap{ position:absolute; inset:0; display:grid; place-items:center; }
#globeCanvas{ width:min(720px,128%); aspect-ratio:1; transform:translateX(-12%); filter:drop-shadow(0 24px 60px rgba(37,99,235,.28)); }
.globe-wrap{ align-items:center; }
.hero-student{ position:absolute; right:7%; bottom:0; z-index:5; height:min(700px,100%); width:auto; max-width:none; object-fit:contain; object-position:bottom center; filter:drop-shadow(0 30px 50px rgba(15,23,42,.28)); }
@media (max-width:1023px){ .hero-student{ right:0; height:96%; } #globeCanvas{ transform:translateX(0); } }
.course-card .c-img{ transition:transform .5s cubic-bezier(.22,1,.36,1); }
.course-card:hover .c-img{ transform:scale(1.07); }
.float-card{ position:absolute; z-index:6; animation:floaty 6s ease-in-out infinite; }
.lang-orb{ position:absolute; z-index:6; width:54px; height:54px; display:grid; place-items:center; border-radius:50%; font-weight:800; color:var(--blue-700); background:rgba(255,255,255,.78); -webkit-backdrop-filter:blur(8px); backdrop-filter:blur(8px); border:1px solid rgba(191,219,254,.9); box-shadow:0 10px 26px rgba(37,99,235,.25); animation:floaty 7s ease-in-out infinite; }
@keyframes floaty{ 0%,100%{ transform:translateY(0) } 50%{ transform:translateY(-12px) } }
@media (prefers-reduced-motion:reduce){ .float-card,.lang-orb{ animation:none } }

/* ---------- bento ---------- */
.bento{ display:grid; grid-template-columns:repeat(4,1fr); grid-auto-rows:minmax(150px,auto); gap:18px; }
.bento .b-2c{ grid-column:span 2 } .bento .b-2r{ grid-row:span 2 }
@media (max-width:900px){ .bento{ grid-template-columns:repeat(2,1fr) } .bento .b-2c{ grid-column:span 2 } .bento .b-2r{ grid-row:auto } }
@media (max-width:560px){ .bento{ grid-template-columns:1fr } .bento .b-2c{ grid-column:span 1 } }

/* ---------- timeline ---------- */
.timeline{ position:relative; }
.timeline::before{ content:""; position:absolute; left:0; right:0; top:38px; height:2px; background:linear-gradient(90deg,transparent,var(--blue-500),transparent); }
@media (max-width:820px){ .timeline::before{ left:38px; right:auto; top:0; bottom:0; width:2px; height:auto; background:linear-gradient(180deg,transparent,var(--blue-500),transparent); } }

/* ---------- masonry reviews ---------- */
.masonry{ column-count:3; column-gap:20px; }
.masonry > *{ break-inside:avoid; margin-bottom:20px; }
@media (max-width:900px){ .masonry{ column-count:2 } }
@media (max-width:560px){ .masonry{ column-count:1 } }
.float-soft{ animation:floaty 8s ease-in-out infinite; }
.float-soft:nth-child(2n){ animation-duration:9.5s } .float-soft:nth-child(3n){ animation-duration:7.5s }

/* ---------- course / teacher hover ---------- */
.course-card,.teacher-card{ transition:transform .28s cubic-bezier(.22,1,.36,1), box-shadow .28s ease; }
.course-card:hover{ transform:translateY(-8px); box-shadow:0 28px 60px rgba(37,99,235,.18); }
.teacher-card{ position:relative; overflow:hidden; }
.teacher-card:hover{ transform:translateY(-6px); box-shadow:0 30px 64px rgba(37,99,235,.22); }
.teacher-card .t-img{ transition:transform .5s cubic-bezier(.22,1,.36,1); }
.teacher-card:hover .t-img{ transform:scale(1.07); }
.teacher-card .t-overlay{ opacity:0; transform:translateY(12px); transition:opacity .3s ease, transform .3s ease; }
.teacher-card:hover .t-overlay{ opacity:1; transform:none; }

/* ---------- FAQ accordion ---------- */
.faq-item{ border:1px solid var(--line); border-radius:18px; background:#fff; overflow:hidden; }
.faq-q{ width:100%; text-align:left; display:flex; align-items:center; justify-content:space-between; gap:16px; padding:20px 22px; font-weight:700; color:var(--ink); background:none; border:0; cursor:pointer; font-size:16px; }
.faq-a{ max-height:0; overflow:hidden; transition:max-height .35s ease; }
.faq-a > div{ padding:0 22px 20px; color:var(--muted); line-height:1.6; }
.faq-item.open .faq-a{ max-height:320px; }
.faq-item.open .faq-ic{ transform:rotate(45deg); }
.faq-ic{ transition:transform .3s ease; color:var(--blue-600); font-size:24px; line-height:1; }

/* ---------- lead form states ---------- */
.field{ width:100%; padding:13px 15px; border:1px solid var(--line); border-radius:12px; background:#fff; font:inherit; color:var(--ink); transition:border-color .2s ease, box-shadow .2s ease; }
.field:focus{ outline:none; border-color:var(--blue-500); box-shadow:0 0 0 4px rgba(59,130,246,.15); }
.form-status{ min-height:22px; font-size:14px; font-weight:600; }
.form-status.ok{ color:#16a34a } .form-status.err{ color:#dc2626 }

/* ---------- modal ---------- */
.modal{ position:fixed; inset:0; z-index:80; display:none; align-items:center; justify-content:center; padding:20px; }
.modal.open{ display:flex; }
.modal__bd{ position:absolute; inset:0; background:rgba(15,23,42,.55); -webkit-backdrop-filter:blur(4px); backdrop-filter:blur(4px); }
.modal__dialog{ position:relative; z-index:1; width:min(560px,100%); max-height:88vh; overflow:auto; background:#fff; border-radius:24px; padding:28px; box-shadow:0 40px 100px rgba(15,23,42,.3); }
body.lock{ overflow:hidden; }

/* lang switcher */
.lang-btn{ padding:7px 10px; border-radius:10px; border:1px solid var(--line); background:#fff; font-weight:700; color:var(--muted); cursor:pointer; }
.lang-btn.active{ background:var(--blue-700); color:#fff; border-color:var(--blue-700); }

/* mobile nav */
#mobileNav{ transition:opacity .25s ease, transform .25s ease; }
#mobileNav.hidden-nav{ opacity:0; pointer-events:none; transform:translateY(-8px); }

.stars svg{ width:18px; height:18px; fill:#f59e0b; display:inline-block; }
.icon-svg svg{ width:26px; height:26px; }