/* Pruefungserfolg-B2 — Public styles
   Hand-crafted system: quiet navy + bright green, one icon language
   (1.8px stroke SVGs), one radius scale, one easing curve. Motion is
   calm on purpose: 150-350 ms micro-transitions, transform/opacity
   only, no layout shift, respects prefers-reduced-motion. */
:root{
  --navy:#0f2040; --navy-deep:#0a1830; --ink:#152540;
  --muted:#43536e; --muted-on-dark:#c3d0e4;
  --green:#00c853; --green-strong:#009444; --green-dark:#00753a;
  --green-soft:#e7f7ee; --blue-soft:#e9f1fd;
  --bg:#f6f8fb; --surface:#ffffff; --border:#dfe6f0; --border-strong:#c9d4e4;
  --r-sm:10px; --r-md:14px; --r-lg:20px; --r-xl:26px; --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(15,32,64,.05),0 4px 14px rgba(15,32,64,.06);
  --shadow-md:0 2px 4px rgba(15,32,64,.06),0 12px 28px rgba(15,32,64,.10);
  --shadow-lg:0 4px 8px rgba(15,32,64,.07),0 22px 44px rgba(15,32,64,.14);
  --ease:cubic-bezier(.22,.61,.21,1);
  --header-h:68px;
}
[data-theme="dark"]{
  --navy:#eaf0fb; --ink:#eaf0fb; --muted:#aebdd6; --muted-on-dark:#c3d0e4;
  --bg:#0a1428; --surface:#101d38; --border:#22345c; --border-strong:#2d4470;
  --green-soft:#0d2b1a; --blue-soft:#12264a;
  --shadow-sm:0 1px 2px rgba(0,0,0,.3),0 4px 14px rgba(0,0,0,.28);
  --shadow-md:0 2px 4px rgba(0,0,0,.32),0 12px 28px rgba(0,0,0,.36);
  --shadow-lg:0 4px 8px rgba(0,0,0,.35),0 22px 44px rgba(0,0,0,.45);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
html,body{max-width:100%;overflow-x:hidden}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.65;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
::selection{background:#b9efcd;color:#0a2e1a}
.container{width:min(1120px,100% - 2.5rem);margin-inline:auto}
.brand-line{height:3px;background:linear-gradient(90deg,var(--green) 0%,#00b0ff 100%);position:fixed;top:0;left:0;right:0;z-index:60}
.gradient-text{background:linear-gradient(92deg,#2fe07c 0%,#00c2a8 55%,#38b6ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
:focus-visible{outline:3px solid rgba(0,176,255,.75);outline-offset:2px;border-radius:6px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:3px;z-index:50;background:color-mix(in srgb,var(--surface) 90%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);transition:box-shadow .25s var(--ease),background-color .25s var(--ease)}
.site-header.is-scrolled{background:var(--surface);box-shadow:0 10px 28px rgba(15,32,64,.13)}
.header-inner{min-height:var(--header-h);display:flex;align-items:center;gap:1rem;transition:min-height .35s var(--ease)}
.site-header.is-scrolled .header-inner{min-height:54px}
.logo{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:clamp(1rem,4.4vw,1.22rem);color:var(--navy);white-space:nowrap;letter-spacing:-.01em}
.logo em{font-style:normal;color:var(--green-dark)}
[data-theme="dark"] .logo em{color:#2fe07c}
.logo-mark{width:36px;height:36px;flex:0 0 auto}.logo-mark svg{width:100%;height:100%}
.main-nav{display:flex;gap:1.35rem;margin-left:auto;font-weight:600;font-size:.96rem}
.main-nav a{padding:.35rem 0;border-bottom:2px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.main-nav a:hover{color:var(--green-dark);border-color:var(--green)}
.main-nav a.active{color:var(--green-dark);border-color:var(--green)}
[data-theme="dark"] .main-nav a.active{color:#2fe07c}
.header-actions{display:flex;align-items:center;gap:.5rem;margin-left:.4rem}
.theme-toggle{width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--border);background:var(--surface);color:var(--ink);cursor:pointer;display:grid;place-items:center;transition:border-color .2s var(--ease),background-color .2s var(--ease),transform .2s var(--ease)}
.theme-toggle:hover{border-color:var(--border-strong);transform:translateY(-1px)}
.theme-toggle:active{transform:translateY(0)}
.theme-toggle svg{width:19px;height:19px}
[data-theme="light"] .icon-moon{display:none}[data-theme="dark"] .icon-sun{display:none}
.burger{display:none;width:42px;height:42px;border:1px solid var(--border);background:var(--surface);border-radius:var(--r-sm);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;transition:border-color .2s var(--ease)}
.burger:hover{border-color:var(--border-strong)}
.burger span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s var(--ease),opacity .2s var(--ease)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.flag-strip{display:flex;height:3px}.flag-strip span{flex:1}.flag-black{background:#141414}.flag-red{background:#dd0000}.flag-gold{background:#ffce00}

/* ---------- Buttons: one crafted system ----------
   primary   = solid brand green, white text, soft green shadow
   secondary = white surface, navy border + text (light surfaces)
   ghost     = translucent on the navy hero, white text + hairline
   white     = white on the navy CTA band
   Every variant: hover lifts 1px and deepens its shadow, active
   presses back down, focus-visible gets a clear ring, disabled and
   .is-closed are flat and inert. */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;border:1px solid transparent;border-radius:var(--r-pill);font:inherit;font-weight:700;line-height:1.25;cursor:pointer;text-align:center;min-height:44px;padding:.62rem 1.3rem;transition:transform .2s var(--ease),box-shadow .25s var(--ease),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease)}
.btn .btn-arrow{width:18px;height:18px;flex:0 0 auto;transition:transform .2s var(--ease)}
.btn:hover .btn-arrow{transform:translateX(2px)}
.btn:active{transform:translateY(0) scale(.985)}
.btn:focus-visible{outline:3px solid rgba(0,176,255,.8);outline-offset:2px}
.btn-small{min-height:40px;padding:.5rem 1rem;font-size:.92rem}
.btn-large{min-height:52px;padding:.85rem 1.8rem;font-size:1.02rem}
.btn-full{width:100%}
.btn-primary{background:linear-gradient(180deg,#00d65c,#00b44a);color:#fff;box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 1px 2px rgba(0,120,55,.25),0 10px 22px rgba(0,180,74,.30)}
.btn-primary:hover{transform:translateY(-1px);background:linear-gradient(180deg,#00cf57,#00a844);box-shadow:inset 0 1px 0 rgba(255,255,255,.28),0 2px 3px rgba(0,120,55,.25),0 16px 30px rgba(0,180,74,.38)}
.btn-primary:active{box-shadow:inset 0 1px 0 rgba(255,255,255,.18),0 1px 2px rgba(0,120,55,.3)}
.btn-secondary{background:var(--surface);color:var(--navy);border-color:var(--border-strong);box-shadow:var(--shadow-sm)}
.btn-secondary:hover{transform:translateY(-1px);border-color:var(--green);color:var(--green-dark);box-shadow:var(--shadow-md)}
.btn-secondary:active{box-shadow:var(--shadow-sm)}
.btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.45);box-shadow:inset 0 1px 0 rgba(255,255,255,.12)}
.btn-ghost:hover{transform:translateY(-1px);background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.65);box-shadow:0 12px 24px rgba(0,0,0,.25)}
.btn-ghost:active{box-shadow:none}
.btn-white{background:#fff;color:#0f2040;box-shadow:0 1px 2px rgba(0,0,0,.2),0 12px 26px rgba(0,0,0,.25)}
.btn-white:hover{transform:translateY(-1px);box-shadow:0 2px 3px rgba(0,0,0,.2),0 18px 34px rgba(0,0,0,.3)}
.btn-white:active{box-shadow:0 1px 2px rgba(0,0,0,.25)}
.btn[disabled],.btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important;box-shadow:none!important}
.btn.is-closed{background:#8a97ab;border-color:#8a97ab;color:#fff;box-shadow:none;cursor:not-allowed}
.btn.is-closed:hover{transform:none;box-shadow:none}
.btn.is-loading{opacity:.75;cursor:wait}
.text-link{background:none;border:0;padding:0;font:inherit;font-weight:700;color:var(--green-dark);cursor:pointer;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px;transition:color .2s var(--ease)}
.text-link:hover{color:var(--green-strong)}

/* ---------- Hero: deep-navy DIGITAL surface ----------
   Text never sits on a photo. The photo lives only inside the framed
   media card below; badge text sits on opaque panels. Ambience is a
   very slow drift of the glow layer (transform only, 26 s). */
.hero{position:relative;color:#fff;overflow:hidden;isolation:isolate;padding-bottom:clamp(3.4rem,7vw,4.8rem);background:linear-gradient(165deg,#071228 0%,#0f2040 48%,#0c2a44 80%,#082418 135%)}
.hero-fx{position:absolute;inset:-6%;z-index:0;pointer-events:none;background:radial-gradient(720px 340px at 12% 4%,rgba(0,230,118,.17),transparent 62%),radial-gradient(640px 320px at 88% 12%,rgba(90,110,255,.16),transparent 62%),radial-gradient(620px 320px at 55% 112%,rgba(0,176,255,.14),transparent 62%);animation:heroDrift 26s ease-in-out infinite alternate}
@keyframes heroDrift{from{transform:translate3d(-1.2%,0,0)}to{transform:translate3d(1.2%,1.5%,0)}}
.hero-fx::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(148,184,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(148,184,255,.07) 1px,transparent 1px);background-size:44px 44px;-webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.3) 72%,transparent);mask-image:linear-gradient(180deg,rgba(0,0,0,.9),rgba(0,0,0,.3) 72%,transparent)}
.hero-fx::after{content:"";position:absolute;left:0;right:0;bottom:0;height:130px;background:linear-gradient(180deg,transparent,rgba(3,8,18,.35))}
.hero-content{position:relative;z-index:1;padding:clamp(3rem,8vw,5.2rem) 0 0;text-align:center}
.hero-badge{display:inline-flex;align-items:center;gap:.55rem;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.30);padding:.42rem .95rem;border-radius:var(--r-pill);font-size:.8rem;font-weight:700;letter-spacing:.04em}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:#2fe07c;flex:0 0 auto;animation:breathe 3.4s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.45}}
.hero h1{font-size:clamp(2.15rem,8.5vw,3.9rem);line-height:1.08;margin:1.15rem auto .95rem;max-width:16ch;font-weight:900;letter-spacing:-.022em;text-wrap:balance}
.hero-sub{max-width:60ch;margin:0 auto;font-size:clamp(1rem,3.8vw,1.15rem);line-height:1.65;color:#e3ebf7}
.hero-checklist{list-style:none;padding:0;margin:1.7rem auto 0;display:flex;flex-wrap:wrap;justify-content:center;gap:.55rem;max-width:780px}
.hero-checklist li{background:rgba(255,255,255,.11);border:1px solid rgba(255,255,255,.26);padding:.5rem .9rem .5rem .6rem;border-radius:var(--r-pill);font-weight:600;font-size:.93rem;display:flex;gap:.5rem;align-items:center}
.check-icon{width:20px;height:20px;padding:3.5px;border-radius:50%;background:var(--green);color:#fff;flex:0 0 auto}
.hero-cta{display:flex;flex-wrap:wrap;gap:.8rem;justify-content:center;margin-top:1.7rem}
.hero-note{margin-top:1.1rem;color:var(--muted-on-dark);font-size:.92rem}
.hero-login-hint{margin-top:.55rem;color:var(--muted-on-dark);font-size:.92rem}
.hero-login-hint a{color:#fff;font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-color:rgba(255,255,255,.45);transition:text-decoration-color .2s var(--ease)}
.hero-login-hint a:hover{text-decoration-color:#fff}

/* Session status + skeleton (API mode loads /api/public/session-open:
   a quiet grey placeholder stands in until the real state arrives —
   no flash of the wrong state; the line's height is reserved). */
.session-status{min-height:1.65em;margin:.45rem auto 0;color:#a9e8c3;font-size:.92rem;font-weight:600;display:flex;align-items:center;justify-content:center;gap:.5rem}
.session-status.is-closed{color:#f3cf8e}
.skeleton-line{display:inline-block;width:min(300px,72vw);height:.85em;border-radius:99px;background:rgba(255,255,255,.22);animation:skeletonPulse 1.6s ease-in-out infinite}
@keyframes skeletonPulse{0%,100%{opacity:.55}50%{opacity:1}}

/* Hero preview strip — auto-advancing Teil cards.
   Motion lives inside the strip only: transform slide, 560 ms cinematic
   ease, ~5 s cadence, pauses on hover/touch/focus. The next card peeks
   in, cropped by the viewport edge. Under prefers-reduced-motion the
   track becomes a static wrapped row (see media query at the end). */
.preview-strip{position:relative;z-index:1;margin-top:clamp(1.9rem,5vw,2.9rem);text-align:left}
.preview-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:.95rem;padding:0 .1rem}
.preview-label{font-size:.76rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:#c3d0e4}
.preview-next{width:44px;height:44px;flex:0 0 auto;border-radius:50%;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.10);color:#fff;display:grid;place-items:center;cursor:pointer;transition:background-color .25s var(--ease),border-color .25s var(--ease),transform .25s var(--ease)}
.preview-next svg{width:19px;height:19px}
.preview-next:hover{background:var(--green);border-color:var(--green);transform:translateX(2px)}
.preview-next:active{transform:translateX(0)}
.preview-next:focus-visible{outline:3px solid rgba(0,176,255,.85);outline-offset:2px}
.preview-viewport{overflow:hidden;border-radius:var(--r-xl);margin:0 -.1rem;padding:.1rem}
.preview-track{display:flex;gap:1rem;transition:transform .56s cubic-bezier(.25,.8,.25,1);will-change:transform}
.preview-card{position:relative;flex:0 0 min(400px,84%);background:#fff;color:var(--ink);border-radius:var(--r-xl);overflow:hidden;border:2px solid transparent;box-shadow:0 24px 48px rgba(0,0,0,.35);transition:border-color .4s var(--ease)}
.preview-card.is-active{border-color:var(--green)}
.preview-check{position:absolute;top:.8rem;right:.8rem;width:26px;height:26px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;opacity:0;transform:scale(.7);transition:opacity .35s var(--ease),transform .35s var(--ease);z-index:2;box-shadow:0 6px 14px rgba(0,150,70,.4)}
.preview-check svg{width:14px;height:14px}
.preview-card.is-active .preview-check{opacity:1;transform:scale(1)}
.preview-visual{position:relative;height:158px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.preview-visual>svg{width:64px;height:64px;position:relative;z-index:1}
.pv-ghost{position:absolute;right:.6rem;bottom:-.9rem;font-size:5.2rem;font-weight:900;letter-spacing:-.04em;color:rgba(255,255,255,.20);line-height:1;z-index:0}
.pv-write{background:linear-gradient(135deg,#0e5c33,#12995a);color:#d9ffe9}
.pv-t1{background:linear-gradient(135deg,#144a8a,#2f7fd0);color:#dceeff}
.pv-t2{background:linear-gradient(135deg,#452a86,#7156c9);color:#e9e2ff}
.pv-t3{background:linear-gradient(135deg,#8a4a12,#d07f2f);color:#ffedd9}
.pv-photo{background:#0a1830}
.pv-photo img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.pv-photo-chip{position:absolute;left:.8rem;bottom:.8rem;z-index:1;background:rgba(7,16,34,.88);color:#fff;font-size:.78rem;font-weight:700;padding:.36rem .7rem;border-radius:var(--r-pill);border:1px solid rgba(255,255,255,.22)}
.preview-body{padding:1.15rem 1.25rem 1.3rem;background:linear-gradient(180deg,#ffffff,#f4f8fd)}
.preview-meta{display:flex;align-items:center;justify-content:space-between;gap:.8rem;font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#43536e}
.preview-meta b{color:var(--green-dark);font-size:.92rem;letter-spacing:.01em;text-transform:none}
.preview-body h3{margin:.45rem 0 .3rem;font-size:1.14rem;color:#0f2040}
.preview-body p{margin:0;color:#43536e;line-height:1.6;font-size:.95rem}
@media(min-width:900px){.preview-card{flex-basis:44%}.preview-visual{height:172px}}
@media(max-width:520px){.preview-visual{height:138px}.preview-body{padding:1rem 1.05rem 1.15rem}}

/* ---------- Stats ---------- */
.stats-band{background:var(--surface);border-bottom:1px solid var(--border)}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.5rem;padding:1.5rem 0}
.stat{text-align:center;padding:.4rem .35rem}
.stat strong{display:block;font-size:clamp(1.55rem,6vw,2.1rem);color:var(--navy);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat span:last-child{color:var(--muted);font-size:.86rem;font-weight:600;line-height:1.4;display:block;margin-top:.2rem}

/* ---------- Sections ---------- */
.section{padding:clamp(3.2rem,8vw,5rem) 0}
.section-alt{background:color-mix(in srgb,var(--surface) 60%,var(--bg))}
.section-head{text-align:center;max-width:620px;margin:0 auto 2.4rem}
.section-head p{color:var(--muted);margin:0}
.lead{color:var(--muted);font-size:1.06rem}
.eyebrow{display:inline-flex;align-items:center;gap:.55rem;font-size:.74rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--green-dark);background:var(--green-soft);padding:.36rem .8rem;border-radius:var(--r-pill);margin-bottom:.85rem}
.eyebrow::before{content:"";width:16px;height:2px;border-radius:2px;background:currentColor;opacity:.65}
[data-theme="dark"] .eyebrow{color:#2fe07c}
h2{font-size:clamp(1.7rem,6vw,2.4rem);line-height:1.14;margin:.1rem 0 .75rem;color:var(--navy);font-weight:850;letter-spacing:-.018em;text-wrap:balance}
.section-head h2::after{content:"";display:block;width:34px;height:3px;border-radius:3px;background:var(--navy);opacity:.85;margin:.85rem auto 0}
.cta-inner h2::after,.modal h2::after{content:none}
h3{color:var(--navy);letter-spacing:-.01em}
.two-col{display:grid;grid-template-columns:1.05fr .95fr;gap:2.6rem;align-items:center}
.two-col p{color:var(--muted)}
.two-col .lead{color:var(--ink)}
.about-points{display:grid;gap:.8rem;margin-top:1.4rem}
.about-point{display:flex;gap:.85rem;align-items:flex-start;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:.9rem 1rem;box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.about-point:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.about-point>svg{width:22px;height:22px;flex:0 0 auto;color:var(--green-dark);margin-top:.15rem}
[data-theme="dark"] .about-point>svg{color:#2fe07c}
.about-point small{display:block;color:var(--muted);margin-top:.15rem;line-height:1.5}
.about-visual{position:relative}
.visual-card{padding:1.8rem}
.visual-card p{color:var(--muted)}
.visual-icon svg{width:104px;height:auto}
.visual-tags{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1.1rem}
.visual-tags span{background:var(--green-soft);color:var(--green-dark);font-weight:700;font-size:.82rem;padding:.32rem .72rem;border-radius:var(--r-pill)}
[data-theme="dark"] .visual-tags span{color:#2fe07c}
.floating-badge{position:absolute;display:inline-flex;align-items:center;gap:.45rem;background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-md);border-radius:var(--r-pill);padding:.48rem .95rem;font-weight:700;font-size:.85rem;color:var(--ink)}
.floating-badge svg{width:16px;height:16px;color:var(--green-dark);flex:0 0 auto}
.fb1{top:-14px;right:8px}.fb2{bottom:-14px;left:8px}

/* ---------- Cards ---------- */
.glass-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-sm)}
.cards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.15rem}
.feature-card{position:relative;overflow:hidden;padding:1.55rem 1.55rem 3.6rem;transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease)}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--border-strong)}
/* Hover-reveal action: one clear CTA slides/fades in over a bottom
   gradient; the card is clean by default. Space is reserved via the
   card's bottom padding, so nothing shifts. Touch devices (no hover)
   see the action right away. */
.feature-card::after{content:"";position:absolute;left:0;right:0;bottom:0;height:66px;background:linear-gradient(180deg,transparent,rgba(10,24,48,.90));opacity:0;transition:opacity .35s var(--ease);pointer-events:none}
.feature-card:hover::after,.feature-card:focus-within::after{opacity:1}
.card-cta{position:absolute;left:1.4rem;bottom:1.05rem;z-index:1;display:inline-flex;align-items:center;gap:.45rem;font-weight:700;font-size:.92rem;color:#fff;opacity:0;transform:translateY(8px);transition:opacity .35s var(--ease),transform .35s var(--ease)}
.card-cta svg{width:16px;height:16px;color:#2fe07c;transition:transform .25s var(--ease)}
.card-cta:hover svg{transform:translateX(2px)}
.feature-card:hover .card-cta,.feature-card:focus-within .card-cta,.exam-card:hover .card-cta,.exam-card:focus-within .card-cta{opacity:1;transform:none}
.card-cta-dark{left:1.25rem;bottom:1rem;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.30);padding:.42rem .8rem;border-radius:var(--r-pill);font-size:.86rem}
@media(hover:none){
  .feature-card::after{opacity:1}
  .card-cta{opacity:1;transform:none}
}
.feature-card h3{margin:.2rem 0 0;font-size:1.08rem}
.feature-card p{color:var(--muted);margin:.45rem 0 0;line-height:1.6}
.icon-tile{width:52px;height:52px;border-radius:var(--r-md);display:grid;place-items:center;margin-bottom:1rem}
.icon-tile svg{width:26px;height:26px}
.icon-green{background:var(--green-soft);color:var(--green-dark)}
.icon-blue{background:var(--blue-soft);color:#1d4ed8}
.icon-purple{background:#f0eafd;color:#6d28d9}
.icon-orange{background:#fdf0e0;color:#c2570b}
.icon-teal{background:#e2f5f7;color:#0e7490}
.icon-gold{background:#fbf3d3;color:#947208}
[data-theme="dark"] .icon-blue{color:#82b1ff}[data-theme="dark"] .icon-purple{color:#c4b0f5}[data-theme="dark"] .icon-orange{color:#ffb066}[data-theme="dark"] .icon-teal{color:#7dd3e0}[data-theme="dark"] .icon-gold{color:#ecd97e}

/* ---------- Exam strip ---------- */
.exam-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.exam-card{background:var(--navy-deep);color:#fff;border:1px solid rgba(255,255,255,.06);border-radius:var(--r-lg);padding:1.4rem 1.4rem 3.9rem;position:relative;overflow:hidden;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.exam-card:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(10,24,48,.35)}
[data-theme="dark"] .exam-card{background:#162e5a}
.exam-card::after{content:"";position:absolute;inset:auto -34px -46px auto;width:110px;height:110px;border-radius:50%;background:radial-gradient(circle,rgba(0,230,118,.28),transparent 70%)}
.exam-card h3{color:#fff;margin:.6rem 0 .35rem;position:relative;z-index:1}
.exam-card p{color:#d3deee;margin:0;font-size:.94rem;position:relative;z-index:1;line-height:1.6}
.exam-num{display:inline-block;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.26);padding:.28rem .7rem;border-radius:var(--r-pill);font-weight:800;font-size:.83rem;letter-spacing:.02em}

/* ---------- Steps + flow ---------- */
.steps{display:flex;align-items:stretch;gap:.7rem}
.step{flex:1;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);padding:1.45rem;box-shadow:var(--shadow-sm);transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.step-num{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#00d65c,#00a8c5);color:#fff;font-weight:900;font-size:1.08rem;margin-bottom:.75rem;box-shadow:0 6px 14px rgba(0,170,110,.3)}
.step-week{font-size:.74rem;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:var(--green-dark)}
[data-theme="dark"] .step-week{color:#2fe07c}
.step h3{margin:.25rem 0 0}
.step p{color:var(--muted);margin:.4rem 0 0;font-size:.95rem;line-height:1.6}
.step-arrow{align-self:center;color:var(--muted);flex:0 0 auto;display:grid;place-items:center}
.step-arrow svg{width:20px;height:20px}
.how-it-works{margin-top:2.6rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow-sm);padding:1.7rem}
.how-it-works h3{margin:0 0 1.1rem;font-size:1.15rem}
.flow-list{list-style:none;counter-reset:flow;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:1.1rem 2rem}
.flow-list li{counter-increment:flow;display:grid;gap:.2rem;padding-left:2.9rem;position:relative;color:var(--muted);line-height:1.6}
.flow-list li::before{content:counter(flow);position:absolute;left:0;top:.05rem;width:32px;height:32px;border-radius:50%;background:var(--green-soft);color:var(--green-dark);font-weight:800;font-size:.95rem;display:grid;place-items:center}
.flow-list li strong{color:var(--ink)}

/* ---------- CTA + contact ---------- */
.cta-band{background:linear-gradient(118deg,#0d2145 0%,#103a28 58%,#0d2145 100%);color:#fff;padding:2.8rem 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;flex-wrap:wrap}
.cta-inner h2{color:#fff;margin:0 0 .35rem}
.cta-inner p{color:#d3deee;margin:0;max-width:56ch;line-height:1.65}
.contact-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
.contact-card{padding:1.6rem 1.4rem;text-align:center;transition:transform .25s var(--ease),box-shadow .25s var(--ease)}
.contact-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}
.contact-card>svg{width:28px;height:28px;color:var(--green-dark)}
[data-theme="dark"] .contact-card>svg{color:#2fe07c}
.contact-card h3{margin:.55rem 0 0}
.contact-card p{color:var(--muted);margin:.35rem 0 0;line-height:1.6}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-deep);color:#c3d0e4;padding:2.8rem 0 0}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:2.2rem;padding-bottom:2.2rem}
.logo-footer{color:#fff}
.footer-brand p{color:#9fb0c9;margin:.85rem 0 0;max-width:42ch;line-height:1.65;font-size:.95rem}
.footer-col{display:flex;flex-direction:column;gap:.55rem;align-items:flex-start}
.footer-col h3{color:#fff;font-size:.95rem;margin:.2rem 0 .5rem;letter-spacing:.02em}
.footer-col a,.footer-login{color:#c3d0e4;font-size:.94rem;transition:color .2s var(--ease)}
.footer-col a:hover,.footer-login:hover{color:#fff}
.footer-login{background:none;border:0;padding:0;font:inherit;cursor:pointer}
.footer-bottom{border-top:1px solid rgba(255,255,255,.13);padding:1.15rem 0 1.35rem;display:flex;align-items:center;gap:1.2rem;flex-wrap:wrap;justify-content:space-between;font-size:.9rem}
.footer-bottom p{margin:0}
.footer-meta{color:#8fa2bd}
.footer-top-link{display:inline-flex;align-items:center;gap:.4rem;font-weight:700;color:#fff}
.footer-top-link svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.footer-top-link:hover svg{transform:translateY(-2px)}

/* ---------- Reveal (transform/opacity only, staggered by JS var) ---------- */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .55s var(--ease),transform .55s var(--ease);transition-delay:var(--reveal-delay,0ms)}
.reveal.visible{opacity:1;transform:none}
/* Card hover lift must win over the reveal end-state (same specificity,
   so this rule intentionally sits after the reveal block). */
.feature-card.reveal:hover,.exam-card.reveal:hover,.step.reveal:hover,.contact-card.reveal:hover{transform:translateY(-3px)}

/* ---------- Modals (registration + login share one shell) ---------- */
.modal-backdrop{position:fixed;inset:0;background:rgba(6,14,30,.62);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);z-index:80;display:grid;place-items:end center;padding:0}
.modal-backdrop[hidden]{display:none!important}
.modal{background:var(--surface);color:var(--ink);width:min(560px,100%);max-height:92dvh;overflow:auto;border-radius:22px 22px 0 0;padding:1.7rem 1.5rem 1.9rem;position:relative;box-shadow:0 -18px 50px rgba(0,0,0,.3);animation:modalUp .3s var(--ease)}
@keyframes modalUp{from{transform:translateY(18px);opacity:.5}to{transform:none;opacity:1}}
@media(min-width:640px){.modal-backdrop{place-items:center;padding:1rem}.modal{border-radius:22px}}
.modal-login{width:min(480px,100%)}
.modal-close{position:absolute;top:.75rem;right:.85rem;width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:var(--surface);cursor:pointer;color:var(--ink);display:grid;place-items:center;transition:border-color .2s var(--ease),transform .2s var(--ease),background-color .2s var(--ease)}
.modal-close svg{width:17px;height:17px}
.modal-close:hover{border-color:var(--border-strong);transform:translateY(-1px)}
.modal-close:active{transform:translateY(0)}
.modal-sub{color:var(--muted);line-height:1.65}
.auth-form,#registerForm{display:grid;gap:.9rem;margin-top:1.1rem}
.auth-form label,#registerForm label{display:grid;gap:.32rem;font-weight:700;font-size:.93rem}
.auth-form input,#registerForm input{width:100%;min-height:48px;padding:.72rem .92rem;border:1.5px solid var(--border);border-radius:var(--r-sm);background:var(--surface);color:var(--ink);font:inherit;font-size:1rem;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.auth-form input:hover,#registerForm input:hover{border-color:var(--border-strong)}
.auth-form input:focus,#registerForm input:focus{outline:none;border-color:var(--green);box-shadow:0 0 0 3px rgba(0,200,83,.22)}
.field-error{color:#c62828;font-weight:600;min-height:1em;font-size:.86rem}
[data-theme="dark"] .field-error{color:#ff9a92}
.form-error{background:#fdecea;color:#8f1d16;border:1px solid #f2c1bc;padding:.72rem .95rem;border-radius:var(--r-sm);margin:0;line-height:1.55}
[data-theme="dark"] .form-error{background:#3a1414;color:#ffb3ac;border-color:#6e2a26}
.form-hint{color:var(--muted);font-size:.86rem;text-align:center;margin:0;line-height:1.55}
.form-switch{color:var(--muted);font-size:.92rem;text-align:center;margin:.1rem 0 0}
.closed-notice{background:#fdf6dd;border:1px solid #ecd27a;color:#5d4300;padding:1rem 1.1rem;border-radius:var(--r-md);line-height:1.6}
.closed-notice p{margin:.35rem 0 0}
[data-theme="dark"] .closed-notice{background:#2a230a;color:#ffe082;border-color:#6b5a1e}
.success-icon{width:60px;height:60px;border-radius:50%;background:linear-gradient(160deg,#00d65c,#00a844);color:#fff;display:grid;place-items:center;margin-bottom:.85rem;box-shadow:0 10px 22px rgba(0,180,74,.32)}
.success-icon svg{width:28px;height:28px}
.success-box{background:var(--green-soft);border:1px solid var(--border);border-radius:var(--r-md);padding:1rem 1.15rem;margin:1rem 0;line-height:1.6}
.success-box ol{margin:.5rem 0;padding-left:1.2rem}.success-box li{margin:.45rem 0}
.status-pill{background:#e07f00;color:#fff;font-weight:800;font-size:.8rem;padding:.2rem .62rem;border-radius:var(--r-pill)}
.login-preview{border:1.5px dashed var(--border-strong);border-radius:var(--r-md);padding:.95rem 1.05rem;background:color-mix(in srgb,var(--green-soft) 55%,transparent)}
.login-preview p{margin:0;color:var(--muted);font-size:.9rem;line-height:1.6}
.login-preview-actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:.75rem}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .cards-grid{grid-template-columns:repeat(2,1fr)}
  .exam-strip{grid-template-columns:repeat(2,1fr)}
  .steps{flex-wrap:wrap}.step{flex:1 1 42%}.step-arrow{display:none}
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media(max-width:720px){
  .main-nav{position:absolute;top:calc(var(--header-h) + 8px);left:1rem;right:1rem;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);box-shadow:var(--shadow-lg);flex-direction:column;padding:.7rem 1rem;gap:.2rem;display:none}
  .main-nav.open{display:flex}
  .main-nav a{padding:.6rem .3rem}
  .burger{display:flex}
  .header-actions{margin-left:auto}
  .two-col{grid-template-columns:1fr}
  .about-visual{margin-top:.8rem}
  .flow-list{grid-template-columns:1fr}
}
@media(max-width:520px){
  .container{width:calc(100% - 2rem)}
  .cards-grid,.exam-strip,.contact-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .stat:last-child{grid-column:1/-1}
  .step{flex:1 1 100%}
  .hero-cta .btn{width:100%}
  .cta-inner{flex-direction:column;align-items:stretch;text-align:center}
  .cta-inner .btn{width:100%}
  .header-inner{gap:.45rem}
  .logo{gap:.4rem;min-width:0}
  .logo-mark{width:30px;height:30px}
  .logo-text{font-size:.9rem;overflow:hidden;text-overflow:ellipsis}
  .header-actions{gap:.35rem;margin-left:0}
  .theme-toggle{width:36px;height:36px}
  .burger{width:38px;height:38px}
  .header-actions .btn-secondary{display:none}
  .header-actions .btn-small{min-height:38px;padding:.45rem .8rem;font-size:.86rem}
  .footer-top{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
  .how-it-works{padding:1.3rem}
  .floating-badge{font-size:.8rem;padding:.42rem .8rem}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
  .hero-fx{animation:none}
  .skeleton-line{animation:none}
  /* Carousel fully static: no sliding, no auto-advance — the track
     wraps into a plain grid and every card is simply there. */
  .preview-track{transform:none!important;flex-wrap:wrap}
  .preview-card{flex:1 1 260px}
  .preview-next{display:none}
  .preview-check{transition:none}
}