/* Design System + Patterns (v6) */
:root {
  --color-bg:#FFFFFF; --color-surface:#F5F7FB; --color-surface-2:#EEF2F9;
  --color-text:#0B1220; --color-text-muted:#4A5568;
  --primary-950:#070E22; --primary-900:#0A1634; --primary-800:#0D2250;
  --primary-700:#0F2E72; --primary-600:#123A90; --primary-500:#1B49B1; --primary-400:#2C63D6;
  --color-success:#0F9D58; --color-warning:#E39D18; --color-danger:#D64545; --focus-ring:rgba(44,99,214,.45);
  --font-display:"Sora", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans";
  --font-sans:"Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans";
  --fs-xs:clamp(.78rem,.18vw + .72rem,.84rem); --fs-sm:clamp(.90rem,.22vw + .82rem,.98rem); --fs-md:clamp(1.00rem,.25vw + .92rem,1.10rem);
  --fs-lg:clamp(1.10rem,.35vw + .98rem,1.25rem); --fs-h4:clamp(1.25rem,.80vw + 1rem,1.60rem); --fs-h3:clamp(1.45rem,1.20vw + 1.05rem,2rem);
  --fs-h2:clamp(1.75rem,1.80vw + 1.10rem,2.50rem); --fs-h1:clamp(2rem,2.5vw + 1.2rem,3.2rem);
  --lh-tight:1.2; --lh-snug:1.35; --lh-normal:1.55;
  --container-max:1200px; --gutter:1.25rem;
  --radius-sm:10px; --radius-md:14px; --radius-lg:20px;
  --shadow-sm:0 2px 10px rgba(10,22,52,.06); --shadow-md:0 8px 30px rgba(10,22,52,.10); --shadow-lg:0 16px 50px rgba(10,22,52,.14);
  --section-y:clamp(3rem,4vw,5rem); --tile-gap:clamp(.8rem,1.2vw,1.4rem); --tile-pad:clamp(1rem,1.6vw,1.8rem);
  --easing:cubic-bezier(.2,.7,.2,1); --dur-fast:160ms; --dur-base:280ms; --dur-slow:420ms; --reveal-shift:18px;
}
*{box-sizing:border-box;} html,body{height:100%;}
body{margin:0;color:var(--color-text);background:var(--color-bg);font-family:var(--font-sans);font-size:var(--fs-md);line-height:var(--lh-normal);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}
a{color:var(--primary-700);text-decoration:none;} a:hover{text-decoration:underline;}
h1,h2,h3,h4{margin:0 0 .6em;line-height:var(--lh-tight);font-family:var(--font-display);} p{margin:0 0 1em;}
.container{max-width:var(--container-max);margin:0 auto;padding:0 var(--gutter);} .section{padding:var(--section-y) 0;}
.site-header{position:sticky;top:0;background:#fff;border-bottom:1px solid #e5e8ee;z-index:50;}
.site-header .brand{display:flex;gap:.5rem;align-items:baseline;padding:.75rem 0;} .site-header .slogan{font-size:.9rem;color:#4A5568;}
.main-nav .menu.root{display:flex;gap:1rem;align-items:center;list-style:none;margin:0;padding:0;} .main-nav .has-sub{position:relative;}
.main-nav .has-sub>a::after{content:"▾";font-size:.8rem;margin-left:.35rem;color:#4A5568;}
.main-nav .submenu{position:absolute;left:0;top:100%;min-width:240px;background:#fff;border:1px solid #e5e8ee;border-radius:10px;padding:.5rem;list-style:none;display:none;box-shadow:var(--shadow-md);}
.main-nav .submenu a{display:block;padding:.5rem .6rem;border-radius:8px;} .main-nav .submenu a:hover{background:var(--color-surface);text-decoration:none;}
.main-nav .has-sub:hover>.submenu{display:block;} .nav-toggle{display:none;background:none;border:1px solid #e5e8ee;padding:.5rem .75rem;border-radius:8px;} .mobile-menu{background:#fff;border-top:1px solid #e5e8ee;padding:1rem;}
@media (max-width:900px){.main-nav .menu.root{display:none;} .nav-toggle{display:block;} } #mobile-menu .submenu{display:block;position:static;border:none;box-shadow:none;padding:.25rem 0;}
.page-header{padding:2.5rem 0 1rem;} .page-body{padding:1.5rem 0 3rem;}
.site-footer{background:var(--color-surface);padding:2rem 0;border-top:1px solid #e5e8ee;} .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:1rem;} @media (max-width:768px){.footer-grid{grid-template-columns:1fr;}}
.cta-bar{background:var(--primary-700);color:#fff;padding:1.2rem 0;} .cta-bar .container{display:flex;flex-wrap:wrap;align-items:center;gap:.8rem;} .cta-bar .cta-text{flex:1 1 auto;font-weight:600;} .cta-bar .btn{background:#fff;color:var(--primary-700);}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.8rem 1.1rem;border-radius:12px;border:1px solid transparent;font-weight:600;cursor:pointer;} .btn-outline{background:transparent;color:var(--primary-700);border-color:var(--primary-700);} .btn-primary{background:var(--primary-700);color:#fff;}
.card{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--tile-pad);box-shadow:var(--shadow-sm);}
.grid{display:grid;gap:var(--tile-gap);} .grid-2{grid-template-columns:repeat(2,minmax(0,1fr));} .grid-3{grid-template-columns:repeat(3,minmax(0,1fr));} @media (max-width:768px){.grid-2,.grid-3{grid-template-columns:1fr;}}
.reveal-up{opacity:0;transform:translateY(var(--reveal-shift));transition:opacity var(--dur-slow) var(--easing),transform var(--dur-slow) var(--easing);} .reveal-up.is-visible{opacity:1;transform:translateY(0);}
/* Patterns */
.media{display:grid;gap:var(--tile-gap);align-items:center;grid-template-columns:1fr 1fr;} .media .media-visual{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);background:var(--color-surface-2);} .media .media-body{padding:.25rem;}
@media (max-width:900px){.media{grid-template-columns:1fr;}}
.img-16x9{aspect-ratio:16/9;object-fit:cover;} .img-4x3{aspect-ratio:4/3;object-fit:cover;}
.checkerboard{display:grid;grid-template-columns:1fr 1fr;gap:var(--tile-gap);} .cb-item{display:grid;gap:1rem;align-items:center;grid-template-columns:1fr 1fr;background:var(--color-surface);padding:var(--tile-pad);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);} .cb-item .img-wrap{border-radius:var(--radius-md);overflow:hidden;} .cb-item.reverse{direction:rtl;} .cb-item.reverse>*{direction:ltr;}
@media (max-width:900px){.checkerboard{grid-template-columns:1fr;} .cb-item{grid-template-columns:1fr;} .cb-item.reverse{direction:ltr;}}
.masonry{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--tile-gap);} .tile{background:var(--color-surface);border-radius:var(--radius-lg);padding:var(--tile-pad);box-shadow:var(--shadow-sm);} .tile-m{grid-column:span 2;} .tile-s{grid-column:span 1;} .tile.image{padding:0;overflow:hidden;}
@media (max-width:1024px){.masonry{grid-template-columns:repeat(2,minmax(0,1fr));} .tile-m{grid-column:span 2;}} @media (max-width:768px){.masonry{grid-template-columns:1fr;} .tile-m,.tile-s{grid-column:span 1;}}
.timeline{position:relative;margin-left:1rem;} .timeline::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--primary-400);opacity:.3;} .timeline .t-item{position:relative;padding-left:1.25rem;margin-bottom:1.2rem;} .timeline .t-item::before{content:"";position:absolute;left:-6px;top:.2rem;width:12px;height:12px;border-radius:50%;background:var(--primary-700);box-shadow:0 0 0 4px rgba(15,46,114,.12);} .timeline .t-title{font-weight:700;margin-bottom:.25rem;} .timeline .t-desc{color:var(--color-text-muted);}
.feature-table{width:100%;border-collapse:separate;border-spacing:0;} .feature-table th,.feature-table td{text-align:left;padding:.75rem;} .feature-table thead th{background:var(--color-surface-2);} .feature-table tbody tr:nth-child(even){background:#fff;} .feature-table tbody tr:nth-child(odd){background:var(--color-surface);} .feature-table .ok{font-weight:700;color:var(--primary-700);} .feature-table .no{color:var(--color-text-muted);}
.carousel{position:relative;} .carousel .track{display:flex;gap:var(--tile-gap);overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:.5rem;} .carousel .item{min-width:280px;scroll-snap-align:start;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);background:var(--color-surface);} .carousel .item img{width:100%;display:block;} .carousel .ctrl{position:absolute;top:50%;transform:translateY(-50%);background:#fff;border:1px solid #e5e8ee;border-radius:12px;padding:.4rem .6rem;box-shadow:var(--shadow-sm);cursor:pointer;} .carousel .prev{left:.25rem;} .carousel .next{right:.25rem;}
.before-after{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);} .before-after .ba-inner{position:relative;} .before-after img{width:100%;display:block;} .before-after .after{position:absolute;inset:0;overflow:hidden;} .before-after .slider{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:rgba(255,255,255,.7);padding:.4rem .6rem;border-radius:12px;box-shadow:var(--shadow-sm);} .ba-bar{position:absolute;top:0;bottom:0;left:50%;width:2px;background:#fff;mix-blend-mode:difference;}
.highlight{position:relative;background:linear-gradient(180deg,#fff,var(--color-surface));border-left:6px solid var(--primary-700);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden;} .highlight .inner{display:grid;grid-template-columns:1.2fr .8fr;gap:var(--tile-gap);padding:var(--tile-pad);} .highlight .visual{border-radius:var(--radius-md);overflow:hidden;}
.muted{color:var(--color-text-muted);} .max-720{max-width:720px;} .max-840{max-width:840px;}