/* Aquarius Thermal Systems: brand layer on top of Tailwind Play CDN */
:root {
  --navy: #11108E;
  --navy-deep: #0B0A5C;
  --ink: #0B2236;
  --yellow: #F7DF19;
  --accent: #188BB1;
  --text: #535353;
  --surface: #F5F5F5;
}

html { scroll-behavior: smooth; scroll-padding-top: 6rem; }
body { font-family: 'Inter', system-ui, sans-serif; color: var(--ink); -webkit-font-smoothing: antialiased; }
.font-display { font-family: 'Archivo', 'Inter', sans-serif; }

/* Fluid type scale */
.t-hero { font-size: clamp(2.5rem, 1.6rem + 4.2vw, 5.4rem); line-height: .98; letter-spacing: -0.035em; }
.t-h1   { font-size: clamp(2.25rem, 1.5rem + 3.2vw, 4.25rem); line-height: 1.02; letter-spacing: -0.03em; }
.t-h2   { font-size: clamp(1.9rem, 1.35rem + 2.2vw, 3.25rem); line-height: 1.06; letter-spacing: -0.025em; }
.t-h3   { font-size: clamp(1.3rem, 1.1rem + .8vw, 1.75rem); line-height: 1.15; letter-spacing: -0.015em; }
.t-lead { font-size: clamp(1.05rem, 1rem + .35vw, 1.3rem); line-height: 1.65; }
.prose-body p { line-height: 1.8; }

/* Brand colour helpers */
.bg-navy { background-color: var(--navy); }
.bg-navy-deep { background-color: var(--navy-deep); }
.bg-ink { background-color: var(--ink); }
.bg-yellow { background-color: var(--yellow); }
.bg-surface { background-color: var(--surface); }
.text-navy { color: var(--navy); }
.text-yellow { color: var(--yellow); }
.text-accent { color: var(--accent); }
.text-body { color: var(--text); }
.border-navy { border-color: var(--navy); }
.border-yellow { border-color: var(--yellow); }
.ring-yellow { --tw-ring-color: var(--yellow); }
.fill-yellow { fill: var(--yellow); }

.hero-bg {
  background:
    radial-gradient(60rem 40rem at 85% 10%, rgba(24,139,177,.35), transparent 60%),
    radial-gradient(50rem 30rem at 0% 100%, rgba(247,223,25,.12), transparent 60%),
    linear-gradient(160deg, #11108E 0%, #0B0A5C 55%, #070640 100%);
}
.grid-lines {
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
}
.eyebrow { font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; font-weight: 700; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .6rem; min-height: 3.25rem; padding: .85rem 1.6rem; border-radius: 999px; font-weight: 700; transition: transform .2s ease, box-shadow .2s ease, background-color .2s ease, color .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--yellow); outline-offset: 3px; }
.btn-yellow { background: var(--yellow); color: var(--navy); box-shadow: 0 10px 30px -10px rgba(247,223,25,.7); }
.btn-yellow:hover { box-shadow: 0 16px 36px -12px rgba(247,223,25,.9); }
.btn-ghost { border: 2px solid rgba(255,255,255,.35); color: #fff; }
.btn-ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.btn-navy { background: var(--navy); color: #fff; box-shadow: 0 10px 30px -12px rgba(17,16,142,.7); }
.btn-navy:hover { background: var(--navy-deep); }
.btn svg { transition: transform .2s ease; }
.btn:hover svg.arrow { transform: translateX(4px); }

/* Cards */
.lift { transition: transform .35s cubic-bezier(.2,.7,.2,1), box-shadow .35s ease; }
.lift:hover { transform: translateY(-6px); box-shadow: 0 30px 60px -30px rgba(11,34,54,.45); }
.zoom-img { overflow: hidden; }
.zoom-img img { transition: transform .8s cubic-bezier(.2,.7,.2,1); }
.lift:hover .zoom-img img, .zoom-img:hover img { transform: scale(1.06); }

/* Header */
.site-header { transition: background-color .3s ease, box-shadow .3s ease; }
.site-header.scrolled { background: rgba(255,255,255,.86); box-shadow: 0 10px 30px -20px rgba(11,34,54,.5); }
.nav-link { position: relative; font-weight: 600; }
.nav-link::after { content: ""; position: absolute; left: 0; right: 0; bottom: -6px; height: 3px; border-radius: 3px; background: var(--yellow); transform: scaleX(0); transform-origin: left; transition: transform .25s ease; }
.nav-link:hover::after, .nav-link[aria-current="page"]::after { transform: scaleX(1); }
.dropdown { opacity: 0; visibility: hidden; transform: translateY(8px); transition: all .2s ease; }
.has-dropdown:hover .dropdown, .has-dropdown:focus-within .dropdown { opacity: 1; visibility: visible; transform: translateY(0); }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }
.reveal-d1 { transition-delay: .08s; } .reveal-d2 { transition-delay: .16s; } .reveal-d3 { transition-delay: .24s; }

/* Marquee */
.marquee { display: flex; width: max-content; animation: marquee 38s linear infinite; }
@keyframes marquee { to { transform: translateX(-50%); } }

/* Testimonial carousel */
.carousel-track { display: flex; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.carousel-track > * { flex: 0 0 100%; }

/* Forms */
.field { width: 100%; border: 2px solid #E3E5EE; border-radius: 1rem; padding: .9rem 1.1rem; background: #fff; font-size: 1rem; transition: border-color .2s ease, box-shadow .2s ease; min-height: 3.25rem; }
.field:focus { outline: none; border-color: var(--navy); box-shadow: 0 0 0 4px rgba(17,16,142,.12); }
.label { display: block; font-weight: 600; font-size: .92rem; margin-bottom: .45rem; color: var(--ink); }
.hp { position: absolute !important; left: -9999px !important; width: 1px; height: 1px; overflow: hidden; }
.grecaptcha-badge { visibility: hidden; }

/* Diagonal clip */
.clip-diag { clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
}