:root {
  --brand: #15A3D0; --brand-light: #38BEE6; --brand-dark: #0B6386;
  --night-950: #070B11; --night-900: #0A0F16; --night-800: #0E141D;
  --ink: #EEF3F7; --muted: #94A4B4;
}
* { -webkit-font-smoothing: antialiased; }
html { scroll-behavior: smooth; }
body {
  background: var(--night-950); color: var(--ink);
  font-family: 'Inter', system-ui, sans-serif;
  overflow-x: hidden;
}
::selection { background: rgba(21,163,208,.3); color: #fff; }
h1,h2,h3,h4 { font-family: 'Space Grotesk', sans-serif; }
.h-display { letter-spacing: -0.03em; line-height: 1.04; }
.lead { line-height: 1.7; }

/* Grain / noise texture */
.noise::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; z-index: 1;
  opacity: .04; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

.eyebrow {
  display: inline-flex; align-items: center; gap: .5rem;
  font-size: .72rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase;
  color: var(--brand-light);
}
.eyebrow::before { content:""; width: 26px; height: 1px; background: linear-gradient(90deg, transparent, var(--brand)); }
.eyebrow.center { justify-content: center; }

/* Buttons */
.btn { display:inline-flex; align-items:center; justify-content:center; gap:.6rem;
  font-weight:600; border-radius:12px; transition: transform .25s cubic-bezier(.34,1.4,.64,1), box-shadow .25s ease, background .25s ease, border-color .25s ease, color .2s ease;
  will-change: transform; }
.btn:active { transform: translateY(1px) scale(.99); }
.btn-primary { background: linear-gradient(180deg, var(--brand-light), var(--brand)); color:#05141b;
  padding:.95rem 1.6rem; box-shadow: 0 10px 30px -10px rgba(21,163,208,.6), inset 0 1px 0 rgba(255,255,255,.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 18px 44px -12px rgba(21,163,208,.7), inset 0 1px 0 rgba(255,255,255,.3); }
.btn-primary:focus-visible { outline:2px solid var(--brand-light); outline-offset:3px; }
.btn-ghost { background: rgba(255,255,255,.04); color: var(--ink); padding:.95rem 1.6rem;
  border:1px solid rgba(255,255,255,.14); backdrop-filter: blur(6px); }
.btn-ghost:hover { transform: translateY(-2px); border-color: rgba(56,190,230,.5); background: rgba(21,163,208,.08); }
.btn-ghost:focus-visible { outline:2px solid var(--brand-light); outline-offset:3px; }

/* Cards */
.surface { background: linear-gradient(180deg, rgba(27,38,52,.5), rgba(14,20,29,.5)); border:1px solid rgba(255,255,255,.07); }
.card-hover { transition: transform .35s cubic-bezier(.22,1,.36,1), border-color .35s ease, box-shadow .35s ease; }
.card-hover:hover { transform: translateY(-6px); border-color: rgba(56,190,230,.4);
  box-shadow: 0 30px 60px -30px rgba(0,0,0,.8), 0 0 0 1px rgba(56,190,230,.12); }

/* Header */
#siteHeader { transition: background .4s ease, border-color .4s ease, backdrop-filter .4s ease; }
#siteHeader.scrolled { background: rgba(7,11,17,.82); backdrop-filter: blur(14px); border-bottom:1px solid rgba(255,255,255,.07); }
/* Solid header variant for interior (non-hero) pages */
#siteHeader.solid { background: rgba(7,11,17,.92); backdrop-filter: blur(14px); border-bottom:1px solid rgba(255,255,255,.07); }

.nav-link { position: relative; color: rgba(238,243,247,.78); font-weight:500; font-size:.95rem; transition: color .2s; padding:.4rem 0; }
.nav-link:hover, .nav-link.active { color:#fff; }
.nav-link::after { content:""; position:absolute; left:0; bottom:-2px; height:2px; width:0; background: var(--brand); transition: width .28s cubic-bezier(.22,1,.36,1); border-radius:2px; }
.nav-link:hover::after, .nav-link.active::after { width:100%; }

/* Desktop dropdown + hover bridge */
.nav-item { position: relative; }
.nav-item::after { content:""; position:absolute; left:-10px; right:-10px; top:100%; height:22px; opacity:0; visibility:hidden; pointer-events:none; }
.nav-item:hover::after, .nav-item:focus-within::after { opacity:1; visibility:visible; pointer-events:auto; }
.nav-panel {
  position:absolute; top:calc(100% + 16px); left:50%; transform: translateX(-50%) translateY(8px);
  width: 340px; padding:.6rem; border-radius:16px;
  background: rgba(11,16,23,.97); backdrop-filter: blur(16px);
  border:1px solid rgba(255,255,255,.09); box-shadow: 0 30px 60px -20px rgba(0,0,0,.85);
  opacity:0; visibility:hidden; pointer-events:none;
  transition: opacity .25s ease, transform .25s cubic-bezier(.22,1,.36,1), visibility 0s linear .25s; transition-delay:.18s; z-index:60;
}
.nav-item:hover .nav-panel, .nav-item:focus-within .nav-panel {
  opacity:1; visibility:visible; pointer-events:auto; transform: translateX(-50%) translateY(0); transition-delay:0s;
}
.nav-drop-link { display:flex; gap:.85rem; align-items:flex-start; padding:.7rem .8rem; border-radius:11px; transition: background .2s; }
.nav-drop-link:hover { background: rgba(21,163,208,.1); }
.nav-drop-ico { flex:0 0 auto; width:38px; height:38px; border-radius:10px; display:grid; place-items:center;
  background: rgba(21,163,208,.12); color: var(--brand-light); border:1px solid rgba(56,190,230,.2); }

/* Language pill toggle */
.lang-toggle { position:relative; display:inline-flex; align-items:center; background:rgba(21,163,208,.1); border:1px solid rgba(56,190,230,.3); border-radius:100px; padding:3px; cursor:pointer; width:fit-content; transition:border-color .2s,background .2s; }
.lang-toggle:hover { border-color:rgba(56,190,230,.55); background:rgba(21,163,208,.16); }
.lang-toggle:focus-visible { outline:2px solid var(--brand-light); outline-offset:3px; border-radius:100px; }
.lang-pill { position:absolute; top:3px; bottom:3px; left:3px; width:calc(50% - 3px); background:linear-gradient(180deg,var(--brand-light),var(--brand)); border-radius:100px; transition:transform .35s cubic-bezier(.34,1.15,.64,1); pointer-events:none; box-shadow:0 4px 12px -4px rgba(21,163,208,.7); }
.lang-toggle.is-en .lang-pill { transform:translateX(100%); }
.lang-opt { position:relative; z-index:1; font-size:.62rem; font-weight:700; letter-spacing:.1em; padding:4px 10px; color:rgba(238,243,247,.4); transition:color .25s; pointer-events:none; user-select:none; }
.lang-toggle:not(.is-en) .lang-opt:nth-child(2), .lang-toggle.is-en .lang-opt:nth-child(3) { color:#04141b; }

/* Hamburger */
#hamburger { transition: background .2s, border-color .2s; }
#hamburger:hover { background: rgba(21,163,208,.12) !important; border-color: rgba(56,190,230,.45) !important; }
.ham-lines { display:flex; flex-direction:column; gap:5px; width:18px; pointer-events:none; }
.ham-line { display:block; height:1.5px; background:currentColor; border-radius:2px; transition:transform .32s cubic-bezier(.34,1.2,.64,1), opacity .2s ease, width .32s cubic-bezier(.34,1.2,.64,1); }
.ham-line:nth-child(2) { width:12px; }
#hamburger.is-open .ham-line:nth-child(1) { transform:translateY(6.5px) rotate(45deg); }
#hamburger.is-open .ham-line:nth-child(2) { opacity:0; width:0; }
#hamburger.is-open .ham-line:nth-child(3) { transform:translateY(-6.5px) rotate(-45deg); }

/* Mobile drawer */
#drawerBackdrop { position:fixed; inset:0; z-index:590; background:rgba(0,0,0,.55); opacity:0; pointer-events:none; transition:opacity .35s ease; }
#drawerBackdrop.open { opacity:1; pointer-events:auto; }
#mobileDrawer { display:flex; position:fixed; top:0; left:0; right:0; bottom:0; z-index:600; flex-direction:column; overflow-y:auto; min-height:100vh; height:100dvh; transform:translateX(100%); visibility:hidden; transition:transform .42s cubic-bezier(.32,.72,0,1), visibility 0s linear .42s; }
#mobileDrawer.open { transform:translateX(0); visibility:visible; transition:transform .42s cubic-bezier(.32,.72,0,1), visibility 0s linear 0s; }

/* Reveal */
.reveal { opacity:0; transform: translateY(14px); transition: opacity .35s ease, transform .35s ease; }
.reveal.visible { opacity:1; transform:none; }

/* Hero (home) */
.hero-bg { background-image:
    linear-gradient(104deg, rgba(7,11,17,.98) 0%, rgba(7,11,17,.94) 30%, rgba(7,11,17,.68) 58%, rgba(7,11,17,.42) 100%),
    radial-gradient(1100px 700px at 78% 12%, rgba(21,163,208,.20), transparent 60%),
    url('hero-guard.webp');
  background-size: cover, cover, cover; background-position: center, center, center 20%;
}
.glow-line { height:1px; background: linear-gradient(90deg, transparent, rgba(56,190,230,.5), transparent); }

/* Interior page hero */
.page-hero { position:relative; }
.page-hero::before { content:""; position:absolute; inset:0; z-index:0;
  opacity:1; mix-blend-mode:normal;
  background:
    linear-gradient(180deg, rgba(7,11,17,.26) 0%, rgba(7,11,17,.44) 60%, rgba(7,11,17,.9) 100%),
    linear-gradient(100deg, rgba(7,11,17,.82) 0%, rgba(7,11,17,.58) 42%, rgba(7,11,17,.28) 66%, rgba(7,11,17,.08) 100%); }
.page-hero > * { position:relative; z-index:1; }
.page-hero h1, .page-hero p, .page-hero .crumb { text-shadow: 0 2px 14px rgba(7,11,17,.9), 0 1px 3px rgba(7,11,17,.8); }

/* Section glow */
.amb { position:absolute; border-radius:50%; filter: blur(90px); pointer-events:none; z-index:0; }

/* FAQ */
.faq-panel { max-height:0; overflow:hidden; transition: max-height .4s cubic-bezier(.22,1,.36,1); }
.faq-item.open .faq-panel { max-height:360px; }
.faq-item.open .faq-ico { transform: rotate(45deg); }
.faq-ico { transition: transform .35s cubic-bezier(.34,1.3,.64,1); }

/* Partner logos — clean white chips */
.partner-chip { display:inline-flex; align-items:center; justify-content:center; height:96px; padding:0 34px;
  background:#fff; border-radius:16px; box-shadow:0 10px 30px -12px rgba(0,0,0,.7);
  transition: transform .3s ease, box-shadow .3s ease; }
.partner-chip:hover { transform: translateY(-3px); box-shadow:0 16px 36px -12px rgba(21,163,208,.45); }
.partner-chip img { max-height:60px; width:auto; object-fit:contain; }
@media (max-width:640px){ .partner-chip { height:76px; padding:0 24px; } .partner-chip img { max-height:46px; } }

.img-treat { position:relative; }
.img-treat::after { content:""; position:absolute; inset:0; background: linear-gradient(to top, rgba(7,11,17,.65), transparent 55%); }

/* Breadcrumb */
.crumb a { color: var(--muted); transition: color .2s; }
.crumb a:hover { color: var(--brand-light); }

/* Form */
.field { width:100%; background: rgba(255,255,255,.03); border:1px solid rgba(255,255,255,.1); color: var(--ink);
  border-radius:12px; padding:.9rem 1rem; font-size:.95rem; transition: border-color .2s, background .2s, box-shadow .2s; }
.field::placeholder { color: #5F6E7E; }
.field:focus { outline:none; border-color: rgba(56,190,230,.6); background: rgba(21,163,208,.05); box-shadow: 0 0 0 3px rgba(21,163,208,.12); }
.field:hover { border-color: rgba(255,255,255,.2); }
select.field { appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394A4B4' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 1rem center; background-size:18px; padding-right:2.6rem; }
select.field option { background:#0E141D; color:var(--ink); }
#status { border-radius:12px; padding:.9rem 1rem; font-size:.9rem; font-weight:500; }
#status.success { background: rgba(34,197,94,.12); border:1px solid rgba(34,197,94,.4); color:#86efac; }
#status.error { background: rgba(239,68,68,.12); border:1px solid rgba(239,68,68,.4); color:#fca5a5; }