/* ============================================================
   HHP PAPER — Site styles
   ============================================================ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);font-weight:var(--fw-reg);
  color:var(--text);background:var(--bg);line-height:1.55;
  font-size:var(--t-body);-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4{line-height:1.08;margin:0;font-weight:var(--fw-bold);letter-spacing:-.02em}
p{margin:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
::selection{background:var(--blue-200);color:var(--ink-900)}

.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter)}
.section{padding-block:var(--pad-section);position:relative}
.eyebrow{
  display:inline-flex;align-items:center;gap:.6em;font-size:var(--t-sm);
  font-weight:var(--fw-bold);letter-spacing:.14em;text-transform:uppercase;
  color:var(--primary);
}
.eyebrow::before{content:"";width:30px;height:2px;background:var(--accent);border-radius:2px}
.eyebrow.on-dark{color:var(--blue-200)}
.section-title{font-size:var(--t-h2);max-width:18ch;margin-top:.4em;text-wrap:balance}
.section-intro{font-size:var(--t-lead);color:var(--text-soft);max-width:58ch;margin-top:1rem;font-weight:var(--fw-reg)}
.kicker-row{display:flex;flex-direction:column;gap:.2em}

/* ---------- buttons ---------- */
.btn{
  --bg:var(--primary);--fg:#fff;
  display:inline-flex;align-items:center;gap:.6em;justify-content:center;
  padding:.95em 1.6em;border-radius:var(--r-pill);border:1.5px solid transparent;
  font-weight:var(--fw-semi);font-size:var(--t-body);cursor:pointer;
  background:var(--bg);color:var(--fg);position:relative;white-space:nowrap;
  transition:transform var(--dur-1) var(--ease-out),box-shadow var(--dur-1) var(--ease-out),background var(--dur-1);
  will-change:transform;
}
.btn svg{width:1.1em;height:1.1em;transition:transform var(--dur-1) var(--ease-out)}
.btn:hover{transform:translateY(calc(-2px * var(--motion)));box-shadow:var(--sh-md)}
.btn:hover svg{transform:translateX(3px)}
.btn--accent{--bg:var(--accent);box-shadow:0 10px 24px -10px var(--accent)}
.btn--ghost{--bg:transparent;--fg:var(--primary);border-color:var(--line-strong)}
.btn--ghost:hover{border-color:var(--primary);background:var(--blue-050)}
.btn--white{--bg:#fff;--fg:var(--primary)}
.btn--lg{padding:1.1em 2em;font-size:var(--t-lead)}

/* ---------- header ---------- */
.header{
  position:fixed;inset:0 0 auto 0;z-index:1000;
  transition:background var(--dur-1),box-shadow var(--dur-1),padding var(--dur-1);
  padding-block:18px;
}
.header__inner{display:flex;align-items:center;gap:28px}
.header.scrolled{background:rgba(255,255,255,.82);-webkit-backdrop-filter:blur(16px) saturate(150%);backdrop-filter:blur(16px) saturate(150%);box-shadow:0 1px 0 var(--line);padding-block:10px}
/* over-hero (top, transparent): use light text */
.header:not(.scrolled) .brand__name span{color:#fff}
.header:not(.scrolled) .brand__sub{color:rgba(255,255,255,.7)}
.header:not(.scrolled) .nav a{color:rgba(255,255,255,.9)}
.header:not(.scrolled) .nav a:hover{color:#fff;background:rgba(255,255,255,.14)}
.header:not(.scrolled) .lang{border-color:rgba(255,255,255,.45)}
.header:not(.scrolled) .lang button{color:rgba(255,255,255,.85)}
.header:not(.scrolled) .lang button[aria-pressed="true"]{background:#fff;color:var(--primary)}
.header:not(.scrolled) .menu-toggle span,.header:not(.scrolled) .menu-toggle span::before,.header:not(.scrolled) .menu-toggle span::after{background:#fff}
.brand{display:flex;align-items:center;gap:12px;margin-right:auto}
.brand .mark{width:42px;height:42px;flex:none}
.brand .mark-img{width:42px;height:42px;object-fit:contain;flex:none}
.mark-img--white{display:none}
.header:not(.scrolled) .mark-img--color{display:none}
.header:not(.scrolled) .mark-img--white{display:block}
.brand__txt{display:flex;flex-direction:column;line-height:1}
.brand__name{font-weight:var(--fw-black);font-size:1.18rem;letter-spacing:-.01em}
.brand__name b{color:var(--accent)}
.brand__name span{color:var(--primary)}
.brand__sub{font-size:.62rem;letter-spacing:.22em;color:var(--text-soft);text-transform:uppercase;font-weight:var(--fw-semi);margin-top:3px}
.brand .wordmark{height:22px;width:auto;display:block}
.wordmark--white{display:none}
.header:not(.scrolled) .wordmark--color{display:none}
.header:not(.scrolled) .wordmark--white{display:block}
.header:not(.scrolled) .brand__sub{color:rgba(255,255,255,.7)}
.nav{display:flex;gap:6px;align-items:center}
.nav a{
  padding:.5em .85em;border-radius:var(--r-pill);font-weight:var(--fw-med);font-size:.95rem;
  color:var(--ink-700);transition:color var(--dur-1),background var(--dur-1);white-space:nowrap;
}
.nav a:hover{color:var(--primary);background:var(--blue-050)}
.header-actions{display:flex;align-items:center;gap:10px}
.lang{
  display:inline-flex;border:1.5px solid var(--line-strong);border-radius:var(--r-pill);
  overflow:hidden;font-size:.8rem;font-weight:var(--fw-bold);
}
.lang button{border:0;background:transparent;padding:.42em .7em;cursor:pointer;color:var(--text-soft)}
.lang button[aria-pressed="true"]{background:var(--primary);color:#fff}
.menu-toggle{display:none;border:0;background:transparent;width:42px;height:42px;cursor:pointer}
.menu-toggle span,.menu-toggle span::before,.menu-toggle span::after{
  content:"";display:block;width:22px;height:2px;background:var(--ink-900);border-radius:2px;transition:.3s;position:relative;
}
.menu-toggle span::before{position:absolute;top:-7px}
.menu-toggle span::after{position:absolute;top:7px}

/* ---------- reveal animations ---------- */
.reveal{opacity:0;transform:translateY(calc(34px * var(--motion)));transition:opacity var(--dur-2) var(--ease-out),transform var(--dur-2) var(--ease-out)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:calc(.08s * var(--motion))}
.reveal[data-d="2"]{transition-delay:calc(.16s * var(--motion))}
.reveal[data-d="3"]{transition-delay:calc(.24s * var(--motion))}
.reveal[data-d="4"]{transition-delay:calc(.32s * var(--motion))}

/* ---------- motif wave (from brand guideline) ---------- */
.motif{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.motif svg{position:absolute;width:120%;height:auto}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;color:#fff;
  background:linear-gradient(155deg,var(--blue-700) 0%,var(--blue-600) 42%,var(--blue-500) 100%);}
.hero__inner{position:relative;z-index:3;width:100%}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:clamp(28px,4vw,72px);align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:.6em;background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.22);padding:.5em 1em;border-radius:var(--r-pill);
  font-size:var(--t-sm);font-weight:var(--fw-semi);backdrop-filter:blur(6px);margin-bottom:1.5rem}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--green-300);box-shadow:0 0 0 4px rgba(134,214,163,.25)}
.hero h1{font-size:clamp(2.3rem,1rem + 4vw,4.5rem);font-weight:var(--fw-black);letter-spacing:-.03em}
.hero h1 .grad{
  background:linear-gradient(100deg,#ffffff 0%,#bfe6fb 58%,#ffd2bd 118%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero h1 .word{display:inline-block}
.hero-lead{font-size:var(--t-lead);max-width:46ch;margin-top:1.4rem;color:rgba(255,255,255,.86);font-weight:var(--fw-reg)}
.hero-cta{display:flex;gap:14px;margin-top:2.2rem;flex-wrap:wrap}
.hero-stats{display:flex;gap:clamp(20px,3vw,46px);margin-top:3rem;flex-wrap:wrap}
.hero-stat .n{font-size:clamp(1.8rem,1.2rem+1.6vw,2.7rem);font-weight:var(--fw-black);letter-spacing:-.02em;line-height:1}
.hero-stat .n b{color:var(--orange-400)}
.hero-stat .l{font-size:var(--t-sm);color:rgba(255,255,255,.7);margin-top:.4em;max-width:16ch}
.hero-scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:4;display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.7);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase}
.hero-scroll .mouse{width:24px;height:38px;border:2px solid rgba(255,255,255,.5);border-radius:14px;position:relative}
.hero-scroll .mouse::after{content:"";position:absolute;left:50%;top:7px;width:4px;height:7px;background:#fff;border-radius:2px;transform:translateX(-50%);animation:scrolldot 1.8s var(--ease-soft) infinite}
@keyframes scrolldot{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}80%{opacity:0;transform:translate(-50%,12px)}}

/* hero visual card */
.hero-visual{position:relative;aspect-ratio:4/5;border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-lg);transform-style:preserve-3d;
  border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.06)}
.hero-visual image-slot{width:100%;height:100%}
.hero-visual .tag{position:absolute;left:18px;bottom:18px;z-index:4;background:rgba(255,255,255,.92);color:var(--ink-900);
  padding:.7em 1.1em;border-radius:var(--r-md);font-size:var(--t-sm);font-weight:var(--fw-semi);box-shadow:var(--sh-md);
  display:flex;align-items:center;gap:.6em}
.hero-visual .tag .mark{width:26px;height:26px}
.hero-float{position:absolute;z-index:5;background:#fff;color:var(--ink-900);border-radius:var(--r-md);
  padding:.8em 1em;box-shadow:var(--sh-lg);display:flex;align-items:center;gap:.7em;font-weight:var(--fw-semi);font-size:.9rem}
.hero-float .ic{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;color:#fff;flex:none}
.hero-float--1{top:8%;right:-6%}
.hero-float--2{bottom:14%;left:-9%}
.hero-float .small{font-size:.72rem;color:var(--text-soft);font-weight:var(--fw-med)}

/* floating decorative paper/leaf shapes */
.hero-orb{position:absolute;border-radius:50%;filter:blur(2px);opacity:.5;z-index:1}

/* hero variant B: full-bleed centered */
.hero[data-variant="b"]{text-align:center;background:radial-gradient(120% 90% at 50% -10%,var(--blue-500) 0%,var(--blue-600) 38%,var(--blue-900) 100%)}
.hero[data-variant="b"] .hero-grid{grid-template-columns:1fr;justify-items:center;text-align:center}
.hero[data-variant="b"] .hero-visual,.hero[data-variant="b"] .hero-side{display:none}
.hero[data-variant="b"] .hero-lead{margin-inline:auto}
.hero[data-variant="b"] .hero-cta{justify-content:center}
.hero[data-variant="b"] .hero-stats{justify-content:center}
.hero[data-variant="b"] h1{font-size:clamp(2.8rem,1.4rem+6.2vw,7rem)}
.hero[data-variant="a"] .hero-bcenter{display:none}

/* big watermark emblem in variant B */
.hero-bcenter{position:absolute;z-index:1;top:50%;left:50%;width:min(78vh,1100px);aspect-ratio:1;
  transform:translate(-50%,-50%);opacity:.07;color:#fff}
.hero-bcenter svg{width:100%;height:100%}

/* ---------- HERO video background variant ---------- */
.hero--video{background:linear-gradient(155deg,var(--blue-900),var(--blue-700));color:#fff}
.hero--video .hero__inner{position:relative;z-index:3}
.hero--video .hero-copy{max-width:760px}
.hero-media{position:absolute;inset:0;z-index:0;overflow:hidden}
.hero-media image-slot{width:100%;height:100%}
.hero-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:none}
.hero--video.has-mp4 .hero-video{display:block}
.hero-yt{position:absolute;top:50%;left:50%;width:177.78vh;height:100vh;min-width:100vw;min-height:56.25vw;
  transform:translate(-50%,-50%);border:0;pointer-events:none;z-index:0}
.hero--video.has-video .hero-media image-slot{opacity:0}
.hero-overlay{position:absolute;inset:0;z-index:1;
  background:linear-gradient(90deg,rgba(4,28,50,.92) 0%,rgba(4,28,50,.72) 36%,rgba(4,28,50,.34) 66%,rgba(4,28,50,.16) 100%),
             linear-gradient(0deg,rgba(4,28,50,.55) 0%,rgba(4,28,50,0) 36%)}
.hero--video .hero-stats{margin-top:2.4rem}
.hero-videohint{position:absolute;left:18px;bottom:18px;z-index:4;
  background:rgba(4,28,50,.55);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.18);border-radius:var(--r-pill);
  padding:.5em 1em;font-size:.72rem;color:rgba(255,255,255,.82);max-width:min(72vw,360px)}
.hero--video.has-video .hero-videohint{display:none}
/* tweak: plain gradient background (no media) */
.hero--video.bg-gradient .hero-media,.hero--video.bg-gradient .hero-video{display:none}
.hero--video.bg-gradient .hero-videohint{display:none}
.hero--video.bg-gradient{background:linear-gradient(155deg,var(--blue-700) 0%,var(--blue-600) 45%,var(--blue-500) 100%)}
.hero--video.bg-gradient .hero-overlay{background:radial-gradient(120% 90% at 80% 10%,rgba(0,161,221,.25),transparent 60%)}
@media (max-width:760px){
  .hero-overlay{background:linear-gradient(0deg,rgba(4,28,50,.92) 0%,rgba(4,28,50,.55) 55%,rgba(4,28,50,.4) 100%)}
}