/* VELA — fictional brand identity concept (AIBIS Brand Starter Kit demo) */
:root{
  --shell:#f4eee4; --paper:#fbf7f0; --sea:#0e2a38; --sea2:#173b4d;
  --coral:#e2725b; --sand:#e8ddc7; --olive:#6b7a5e;
  --ink:#15242b; --muted:#6d7a80; --line:rgba(21,36,43,.14);
  --serif:Georgia,"Times New Roman",serif;
  --sans:"Segoe UI",Inter,system-ui,sans-serif;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--shell);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
h1,h2,p,figure,ul{margin:0}
.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:clamp(20px,4vw,44px)}
.concept-note{margin:0;padding:9px;text-align:center;background:var(--sea);color:#dce6ea;font-size:.66rem;letter-spacing:.22em;text-transform:uppercase}

/* cover */
.cover{max-width:var(--wrap);margin-inline:auto;padding:clamp(24px,3.4vw,44px) clamp(20px,4vw,44px) clamp(30px,4vw,50px)}
.cover-top{display:flex;justify-content:space-between;gap:12px;font-size:.64rem;letter-spacing:.22em;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:14px}
.cover-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:clamp(26px,4vw,56px);align-items:center;margin-top:clamp(26px,4vw,46px)}
.cover-copy{display:grid;gap:20px;justify-items:start}
.brandmark{display:flex;align-items:center;gap:12px;color:var(--sea)}
.brandmark svg{width:46px;height:46px}
.wordmark{font-family:var(--serif);font-size:1.5rem;letter-spacing:.34em}
.cover h1{font-family:var(--serif);font-weight:400;font-size:clamp(2.1rem,1.2rem+3.2vw,3.5rem);line-height:1.06;letter-spacing:-.02em;color:var(--sea)}
.cover-lead{color:#41545c;max-width:44ch;font-size:1rem}
.cover-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:4px}
.cover-tags span{font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;padding:5px 10px;border:1px solid var(--line);border-radius:999px;color:#55666d;background:rgba(255,255,255,.4)}
.cover-photo{border-radius:6px 80px 6px 6px;overflow:hidden;box-shadow:0 30px 60px rgba(14,42,56,.22)}
.cover-photo img{width:100%;height:clamp(360px,40vw,500px);object-fit:cover}

/* blocks */
.block{max-width:var(--wrap);margin-inline:auto;padding:clamp(46px,6vw,86px) clamp(20px,4vw,44px);border-top:1px solid var(--line)}
.block-head{display:grid;grid-template-columns:auto 1fr .9fr;gap:clamp(12px,2.4vw,34px);align-items:baseline;margin-bottom:clamp(24px,3vw,36px)}
.num{font-family:var(--serif);font-size:.9rem;color:var(--coral)}
.block-head h2{font-family:var(--serif);font-weight:400;font-size:clamp(1.7rem,1.1rem+1.7vw,2.5rem);line-height:1.1;letter-spacing:-.02em;color:var(--sea)}
.block-head p{font-size:.9rem;color:#52646b}

/* logo tiles */
.logo-grid{display:grid;grid-template-columns:1.2fr 1.2fr .9fr;gap:14px}
.logo-tile{position:relative;display:grid;place-items:center;gap:14px;min-height:250px;border-radius:8px;padding:26px}
.logo-tile.light{background:var(--paper);border:1px solid var(--line)}
.logo-tile.dark{background:var(--sea);color:#f2ece2}
.logo-tile.sea{background:var(--coral);color:#fff6ef}
.lock{display:flex;align-items:center;gap:12px}
.lock svg{width:54px;height:54px}
.wm{font-family:var(--serif);font-size:1.7rem;letter-spacing:.34em}
.mono svg{width:74px;height:74px}
.tile-cap{position:absolute;left:16px;bottom:12px;font-size:.6rem;letter-spacing:.18em;text-transform:uppercase;opacity:.6}

/* color */
.color-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
.sw{height:150px;border-radius:8px;padding:14px;display:flex;flex-direction:column;justify-content:flex-end;gap:2px;border:1px solid rgba(21,36,43,.08)}
.sw b{font-size:.8rem;font-weight:600}
.sw span{font-size:.66rem;letter-spacing:.12em;opacity:.75}
.sw.sea{background:var(--sea);color:#f2ece2}
.sw.sand{background:var(--sand);color:var(--sea)}
.sw.coral{background:var(--coral);color:#fff6ef}
.sw.shell{background:var(--paper);color:var(--sea)}
.sw.olive{background:var(--olive);color:#f3f2ea}

/* typography */
.type-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:14px}
.type-card{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:clamp(20px,2.4vw,30px)}
.type-label{font-size:.6rem;letter-spacing:.2em;text-transform:uppercase;color:var(--coral)}
.type-display{font-family:var(--serif);font-size:clamp(2.6rem,2rem+2vw,3.6rem);line-height:1;color:var(--sea);margin:12px 0 10px}
.type-display.sans{font-family:var(--sans);font-weight:600;letter-spacing:-.02em}
.type-sample{font-family:var(--serif);font-size:1.2rem;color:#34474f;line-height:1.35}
.type-sample.sans{font-family:var(--sans);font-size:1rem;color:#42555c}
.type-meta{display:block;margin-top:16px;font-size:.68rem;letter-spacing:.1em;color:var(--muted);border-top:1px solid var(--line);padding-top:10px}

/* print */
.print-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(18px,3vw,40px);align-items:center}
.card-mock{position:relative;height:320px;display:grid;place-items:center}
.bcard{position:absolute;width:280px;height:168px;border-radius:9px;box-shadow:0 22px 40px rgba(14,42,56,.18);padding:20px;display:flex;flex-direction:column;justify-content:space-between}
.bcard.front{background:var(--sea);color:#f2ece2;transform:rotate(-7deg) translate(-24px,-16px);z-index:2}
.bcard.back{background:var(--paper);border:1px solid var(--line);color:var(--sea);transform:rotate(5deg) translate(26px,20px)}
.bc-logo{font-family:var(--serif);font-size:1.2rem;letter-spacing:.3em}
.bc-line{display:block;width:40px;height:1.5px;background:var(--coral)}
.bc-small{font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;opacity:.7}
.bcard.back svg{width:40px;height:40px;color:var(--sea)}
.bc-contact{font-size:.68rem;line-height:1.5;color:#4d6067}
.letter-mock{background:var(--paper);border:1px solid var(--line);border-radius:6px;padding:clamp(22px,3vw,34px);box-shadow:0 26px 50px rgba(14,42,56,.14);min-height:320px;display:flex;flex-direction:column;gap:18px}
.lm-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding-bottom:14px}
.lm-lines{display:grid;gap:9px}
.lm-lines i{display:block;height:5px;border-radius:2px;background:rgba(21,36,43,.09)}
.lm-lines i:nth-child(2){width:88%}.lm-lines i:nth-child(3){width:94%}
.lm-lines i:nth-child(4){width:72%}.lm-lines i:nth-child(5){width:84%}
.lm-lines i:nth-child(6){width:40%}
.lm-sign{font-size:.78rem;color:#4d6067;margin-top:auto}
.lm-sign b{color:var(--sea)}

/* social */
.social-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(18px,3vw,36px)}
.profile-mock{background:var(--paper);border:1px solid var(--line);border-radius:10px;overflow:hidden;box-shadow:0 20px 40px rgba(14,42,56,.12)}
.pm-cover{height:110px;background:linear-gradient(120deg,var(--sea),var(--sea2) 55%,var(--coral))}
.pm-avatar{width:74px;height:74px;border-radius:50%;background:var(--sea);color:#f2ece2;display:grid;place-items:center;font-family:var(--serif);font-size:1.7rem;border:4px solid var(--paper);margin:-37px 0 0 20px}
.pm-body{padding:12px 20px 22px;display:grid;gap:3px}
.pm-body b{font-family:var(--serif);font-size:1.1rem;font-weight:400}
.pm-body span{font-size:.72rem;color:var(--muted)}
.pm-body p{font-size:.8rem;color:#42555c;margin-top:6px}
.post-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.post-strip figure{position:relative;border-radius:8px;overflow:hidden}
.post-strip img{width:100%;height:230px;object-fit:cover}
.post-strip figcaption{position:absolute;left:0;right:0;bottom:0;padding:10px;font-size:.68rem;color:#fff;background:linear-gradient(180deg,transparent,rgba(14,42,56,.75))}

/* guide */
.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.guide-page{background:var(--paper);border:1px solid var(--line);border-radius:8px;padding:clamp(20px,2.6vw,30px);display:grid;gap:14px;align-content:start}
.gp-title{font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--coral)}
.gp-demo{display:grid;place-items:center;height:150px;border:1px dashed var(--line);border-radius:6px;background:repeating-linear-gradient(45deg,rgba(21,36,43,.03) 0 10px,transparent 10px 20px)}
.gp-box{padding:14px 20px;border:1px solid rgba(226,114,91,.5);font-family:var(--serif);font-size:1.1rem;letter-spacing:.3em;color:var(--sea);background:var(--paper)}
.guide-page p{font-size:.82rem;color:#52646b}
.gp-list{display:grid;gap:8px}
.gp-list li{position:relative;padding-left:20px;font-size:.82rem;color:#42555c}
.gp-list li::before{position:absolute;left:0;font-weight:700}
.gp-list .ok::before{content:"✓";color:var(--olive)}
.gp-list .no::before{content:"✕";color:var(--coral)}
.gp-colors{display:flex;gap:6px}
.gp-colors i{width:34px;height:34px;border-radius:6px}
.gp-colors i:nth-child(1){background:var(--sea)}
.gp-colors i:nth-child(2){background:var(--sand)}
.gp-colors i:nth-child(3){background:var(--coral)}

/* applications */
.applications{display:grid;grid-template-columns:1fr 1fr;gap:14px;padding-bottom:clamp(50px,6vw,90px)}
.app-photo{position:relative;border-radius:8px;overflow:hidden;min-height:280px}
.app-photo img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}
.app-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,42,56,.05),rgba(14,42,56,.45))}
.app-logo{position:absolute;left:24px;top:24px;z-index:2;font-family:var(--serif);font-size:2rem;letter-spacing:.34em;color:#fff}
.app-logo.small{font-size:1.3rem}
.app-cap{position:absolute;left:24px;bottom:18px;z-index:2;font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:#f0e9dd}

/* footer */
.foot{max-width:var(--wrap);margin-inline:auto;border-top:1px solid var(--line);padding:20px clamp(20px,4vw,44px);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.68rem;color:var(--muted)}

@media (max-width:1000px){
  .cover-grid{grid-template-columns:1fr}
  .cover-photo{order:-1}
  .logo-grid{grid-template-columns:1fr 1fr}
  .logo-tile.sea{grid-column:span 2}
  .color-grid{grid-template-columns:repeat(3,1fr)}
  .type-grid,.print-grid,.social-grid,.guide-grid,.applications{grid-template-columns:1fr}
  .block-head{grid-template-columns:auto 1fr}
  .block-head p{grid-column:2}
  .post-strip img{height:190px}
}
@media (max-width:600px){
  body{font-size:15px}
  .block{padding-block:44px}
  .cover{padding-inline:20px}
  .logo-grid{grid-template-columns:1fr}
  .logo-tile.sea{grid-column:span 1}
  .color-grid{grid-template-columns:1fr 1fr}
  .sw{height:110px}
  .bcard{width:240px;height:148px}
  .card-mock{height:290px}
  .post-strip{grid-template-columns:1fr 1fr}
  .post-strip figure:last-child{display:none}
  .applications{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}