/* ============================================================
   Bluefin Tackle — Export House Stylesheet
   Deep-sea editorial design system
   ============================================================ */

:root {
  --ink: #071119;
  --ink-2: #0b1b26;
  --ink-3: #102734;
  --sea: #0a3d4d;
  --teal: #17b3c9;
  --teal-soft: #6fe0e8;
  --sand: #e8e2d4;
  --paper: #f6f4ef;
  --muted: #7d95a3;
  --line: rgba(255, 255, 255, .09);
  --gold: #d8a557;
  --radius: 18px;
  --shadow: 0 24px 60px -28px rgba(0, 0, 0, .75);
  --font-serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--ink);
  color: #cdd9e1;
  font-family: var(--font-sans);
  font-size: 16.5px;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img, svg { max-width: 100%; display: block; }
a { color: var(--teal-soft); text-decoration: none; transition: color .25s ease; }
a:hover { color: #fff; }

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  color: #f2f6f8;
  font-weight: 600;
  letter-spacing: -.015em;
  line-height: 1.14;
  margin: 0 0 .5em;
}
h1 { font-size: clamp(2.5rem, 5.6vw, 4.4rem); }
h2 { font-size: clamp(1.85rem, 3.4vw, 2.85rem); }
h3 { font-size: 1.28rem; }

p { margin: 0 0 1.1em; }
.lede { font-size: 1.14rem; color: #adc0cb; max-width: 62ch; }

.wrap { width: min(100% - 2.6rem, var(--maxw)); margin-inline: auto; }
section { padding: clamp(4rem, 9vw, 7.5rem) 0; position: relative; }
.eyebrow {
  font-size: .72rem; letter-spacing: .28em; text-transform: uppercase;
  color: var(--teal); font-weight: 700; margin-bottom: 1rem; display: block;
}
.rule { height: 1px; background: linear-gradient(90deg, var(--teal), transparent); border: 0; margin: 0 0 2.2rem; }

/* ---------------- top bar / nav ---------------- */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 100;
  backdrop-filter: blur(14px);
  background: rgba(7, 17, 25, .55);
  border-bottom: 1px solid transparent;
  transition: background .35s ease, border-color .35s ease, padding .35s ease;
}
.topbar.scrolled {
  background: rgba(7, 17, 25, .93);
  border-bottom-color: var(--line);
  box-shadow: 0 12px 40px -24px #000;
}
.topbar .inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1.5rem; padding: .95rem 0;
}
.brand { display: flex; align-items: center; gap: .7rem; color: #fff; }
.brand svg { width: 34px; height: 34px; }
.brand b { font-family: var(--font-serif); font-size: 1.16rem; letter-spacing: .01em; font-weight: 600; }
.brand span { display: block; font-size: .62rem; letter-spacing: .22em; color: var(--muted); text-transform: uppercase; }

nav ul { display: flex; gap: 1.9rem; list-style: none; margin: 0; padding: 0; }
nav a {
  color: #c3d2db; font-size: .86rem; letter-spacing: .06em; text-transform: uppercase;
  position: relative; padding-bottom: 4px;
}
nav a::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--teal); transition: width .3s ease;
}
nav a:hover::after, nav a[aria-current="page"]::after { width: 100%; }
nav a[aria-current="page"] { color: #fff; }

.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  padding: .82rem 1.5rem; border-radius: 999px;
  font-size: .84rem; letter-spacing: .1em; text-transform: uppercase; font-weight: 700;
  border: 1px solid transparent; cursor: pointer; transition: all .28s ease;
  font-family: var(--font-sans);
}
.btn-primary { background: linear-gradient(120deg, var(--teal), #0e7f9c); color: #04161d; }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 32px -14px var(--teal); color: #04161d; }
.btn-ghost { border-color: rgba(255, 255, 255, .22); color: #dbe7ee; }
.btn-ghost:hover { border-color: var(--teal); color: #fff; }

.burger { display: none; background: none; border: 0; padding: .4rem; cursor: pointer; }
.burger span { display: block; width: 24px; height: 2px; background: #dbe7ee; margin: 5px 0; transition: .3s; }

/* ---------------- hero ---------------- */
.hero {
  min-height: 100svh; display: flex; align-items: center;
  padding-top: 6rem; overflow: hidden;
  background:
    radial-gradient(120% 80% at 78% 12%, rgba(23, 179, 201, .22), transparent 60%),
    radial-gradient(90% 70% at 10% 90%, rgba(216, 165, 87, .12), transparent 62%),
    linear-gradient(170deg, #071119 0%, #0a2330 55%, #071119 100%);
}
#sea-canvas { position: absolute; inset: 0; width: 100%; height: 100%; opacity: .5; pointer-events: none; }
.hero .wrap { position: relative; z-index: 2; display: grid; gap: 3rem; grid-template-columns: 1.08fr .92fr; align-items: center; }
.hero-copy .lede { margin-top: .4rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2rem; }
.hero-meta {
  display: flex; flex-wrap: wrap; gap: 1.6rem; margin-top: 3rem;
  padding-top: 1.6rem; border-top: 1px solid var(--line);
  font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted);
}
.hero-meta b { display: block; color: #eef4f7; font-family: var(--font-serif); font-size: 1.5rem; letter-spacing: 0; text-transform: none; }

/* spec card */
.spec-card {
  position: relative; padding: 1.9rem; border-radius: 22px;
  background: linear-gradient(160deg, rgba(255, 255, 255, .07), rgba(255, 255, 255, .015));
  border: 1px solid var(--line); box-shadow: var(--shadow);
  backdrop-filter: blur(6px);
  animation: floaty 9s ease-in-out infinite;
}
@keyframes floaty { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.spec-card h3 { margin-bottom: .2rem; }
.spec-card .sub { color: var(--muted); font-size: .8rem; letter-spacing: .16em; text-transform: uppercase; }
.spec-list { list-style: none; margin: 1.4rem 0 0; padding: 0; }
.spec-list li {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .68rem 0; border-bottom: 1px dashed rgba(255, 255, 255, .1); font-size: .9rem;
}
.spec-list li:last-child { border-bottom: 0; }
.spec-list span:first-child { color: var(--muted); }
.spec-list span:last-child { color: #eaf2f6; font-weight: 600; text-align: right; }

/* ---------------- page hero (subpages) ---------------- */
.page-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(7.5rem, 15vw, 11rem) 0 clamp(2.4rem, 5vw, 3.8rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(90% 80% at 82% 0%, rgba(23, 179, 201, .18), transparent 62%),
    radial-gradient(70% 60% at 8% 100%, rgba(216, 165, 87, .08), transparent 60%),
    linear-gradient(175deg, #071119 0%, #0a2330 58%, #071119 100%);
}
.page-hero h1 { font-size: clamp(2.15rem, 4.6vw, 3.55rem); }
.page-hero .lede { max-width: 66ch; }

/* ---------------- marquee ---------------- */
.marquee {
  border-block: 1px solid var(--line); background: rgba(255, 255, 255, .02);
  overflow: hidden; padding: .95rem 0;
}
.marquee-track { display: flex; gap: 3.5rem; width: max-content; animation: slide 34s linear infinite; }
.marquee:hover .marquee-track { animation-play-state: paused; }
.marquee span {
  font-size: .78rem; letter-spacing: .26em; text-transform: uppercase; color: var(--muted); white-space: nowrap;
}
@keyframes slide { to { transform: translateX(-50%); } }

/* ---------------- cards ---------------- */
.grid { display: grid; gap: 1.4rem; }
.g3 { grid-template-columns: repeat(3, 1fr); }
.g2 { grid-template-columns: repeat(2, 1fr); }
.g4 { grid-template-columns: repeat(4, 1fr); }

.card {
  position: relative; overflow: hidden; padding: 1.9rem;
  border-radius: var(--radius); border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(255, 255, 255, .055), rgba(255, 255, 255, .012));
  transition: transform .4s cubic-bezier(.2, .8, .2, 1), border-color .4s, box-shadow .4s;
}
.card::before {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(420px 200px at var(--mx, 50%) var(--my, 0%), rgba(23, 179, 201, .16), transparent 70%);
  opacity: 0; transition: opacity .4s;
}
.card:hover { transform: translateY(-6px); border-color: rgba(23, 179, 201, .38); box-shadow: var(--shadow); }
.card:hover::before { opacity: 1; }
.card > * { position: relative; z-index: 1; }
.card h3 { margin-bottom: .5rem; }
.card p { color: #a8bcc7; font-size: .94rem; margin-bottom: 0; }
.card .num {
  font-family: var(--font-serif); font-size: .8rem; color: var(--teal);
  letter-spacing: .2em; display: block; margin-bottom: 1.1rem;
}
.icon-box {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: rgba(23, 179, 201, .12); border: 1px solid rgba(23, 179, 201, .3); margin-bottom: 1.1rem;
}
.icon-box svg { width: 22px; height: 22px; stroke: var(--teal-soft); fill: none; stroke-width: 1.6; }

/* ---------------- product grid ---------------- */
.filter-bar { display: flex; flex-wrap: wrap; gap: .55rem; margin: 2.2rem 0 2.4rem; }
.chip {
  padding: .5rem 1.05rem; border-radius: 999px; border: 1px solid var(--line);
  background: transparent; color: #b6c8d3; font-size: .8rem; letter-spacing: .08em;
  text-transform: uppercase; cursor: pointer; transition: all .25s ease; font-family: var(--font-sans);
}
.chip:hover { border-color: var(--teal); color: #fff; }
.chip.active { background: var(--teal); border-color: var(--teal); color: #04161d; font-weight: 700; }

.pcard {
  display: flex; flex-direction: column; border-radius: var(--radius); overflow: hidden;
  border: 1px solid var(--line); background: var(--ink-2);
  transition: transform .45s cubic-bezier(.2, .8, .2, 1), box-shadow .45s, border-color .45s;
}
.pcard:hover { transform: translateY(-8px); border-color: rgba(23, 179, 201, .35); box-shadow: var(--shadow); }
.pcard .thumb {
  aspect-ratio: 4 / 3; position: relative; overflow: hidden;
  background:
    radial-gradient(130% 100% at 30% -10%, rgba(23, 179, 201, .22), transparent 62%),
    linear-gradient(150deg, #10303f 0%, #071119 78%);
  display: grid; place-items: center;
}
.pcard .thumb svg { width: 74%; height: auto; transition: transform .6s cubic-bezier(.2, .8, .2, 1); }
.pcard:hover .thumb svg { transform: scale(1.07) rotate(-1.5deg); }
.pcard .body { padding: 1.35rem 1.45rem 1.6rem; display: flex; flex-direction: column; gap: .45rem; flex: 1; }
.pcard .tagline { font-size: .7rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); }
.pcard h3 { font-size: 1.14rem; margin: 0; }
.pcard p { font-size: .88rem; color: #98aeba; margin: 0; }
.pcard .specs { margin-top: auto; padding-top: .9rem; display: flex; gap: 1rem; flex-wrap: wrap;
  font-size: .74rem; letter-spacing: .06em; color: var(--muted); text-transform: uppercase; }
.pcard .specs i { font-style: normal; color: var(--teal-soft); }

/* ---------------- stats ---------------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); border-radius: var(--radius); overflow: hidden; }
.stat { background: var(--ink-2); padding: 2.2rem 1.6rem; text-align: center; }
.stat b { display: block; font-family: var(--font-serif); font-size: clamp(2rem, 4vw, 3rem); color: #fff; line-height: 1; }
.stat b em { font-style: normal; color: var(--teal); font-size: .55em; vertical-align: super; margin-left: 2px; }
.stat span { font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--muted); display: block; margin-top: .7rem; }

/* ---------------- split / timeline ---------------- */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.figure {
  border-radius: 22px; overflow: hidden; border: 1px solid var(--line);
  background: linear-gradient(150deg, #0e2d3c, #071119); padding: 2.2rem;
}
.timeline { list-style: none; margin: 2rem 0 0; padding: 0; position: relative; }
.timeline::before { content: ""; position: absolute; left: 7px; top: 6px; bottom: 6px; width: 1px; background: var(--line); }
.timeline li { position: relative; padding: 0 0 1.8rem 2.1rem; }
.timeline li::before {
  content: ""; position: absolute; left: 0; top: .45rem; width: 15px; height: 15px;
  border-radius: 50%; border: 1px solid var(--teal); background: var(--ink); box-shadow: 0 0 0 4px rgba(23, 179, 201, .1);
}
.timeline time { font-size: .74rem; letter-spacing: .18em; color: var(--gold); text-transform: uppercase; }
.timeline h4 { font-family: var(--font-serif); font-size: 1.1rem; margin: .3rem 0 .25rem; color: #eaf2f6; }
.timeline p { font-size: .9rem; color: #9db2bd; margin: 0; }

/* ---------------- table ---------------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .88rem; min-width: 640px; }
thead th {
  text-align: left; padding: 1rem 1.2rem; background: rgba(23, 179, 201, .09);
  color: #dff3f6; font-size: .72rem; letter-spacing: .16em; text-transform: uppercase; font-weight: 700;
  border-bottom: 1px solid var(--line);
}
tbody td { padding: .9rem 1.2rem; border-bottom: 1px solid rgba(255, 255, 255, .05); color: #b8cbd5; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: rgba(255, 255, 255, .03); color: #e7f0f5; }

/* ---------------- form ---------------- */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field.full { grid-column: 1 / -1; }
label { font-size: .74rem; letter-spacing: .16em; text-transform: uppercase; color: var(--muted); }
input, select, textarea {
  font-family: var(--font-sans); font-size: .95rem; color: #eaf2f6;
  background: rgba(255, 255, 255, .04); border: 1px solid var(--line);
  border-radius: 12px; padding: .8rem 1rem; transition: border-color .25s, background .25s; width: 100%;
}
input:focus, select:focus, textarea:focus {
  outline: none; border-color: var(--teal); background: rgba(23, 179, 201, .06);
}
textarea { resize: vertical; min-height: 130px; }
.form-note { font-size: .78rem; color: var(--muted); }
.form-status { margin-top: 1rem; font-size: .9rem; color: var(--teal-soft); min-height: 1.4em; }

/* ---------------- accordion ---------------- */
details.faq {
  border-bottom: 1px solid var(--line); padding: 1.25rem 0;
}
details.faq summary {
  cursor: pointer; list-style: none; font-family: var(--font-serif); font-size: 1.06rem; color: #e6eff4;
  display: flex; justify-content: space-between; gap: 1rem; align-items: center;
}
details.faq summary::-webkit-details-marker { display: none; }
details.faq summary::after { content: "+"; color: var(--teal); font-size: 1.3rem; transition: transform .3s; }
details.faq[open] summary::after { transform: rotate(45deg); }
details.faq p { margin: .8rem 0 0; color: #a2b7c2; font-size: .93rem; }

/* ---------------- cta band ---------------- */
.cta-band {
  border-radius: 26px; padding: clamp(2.4rem, 6vw, 4.2rem); text-align: center; position: relative; overflow: hidden;
  background:
    radial-gradient(80% 120% at 50% 0%, rgba(23, 179, 201, .3), transparent 62%),
    linear-gradient(160deg, #0b2a37, #071119);
  border: 1px solid rgba(23, 179, 201, .24);
}
.cta-band h2 { margin-bottom: .6rem; }
.cta-band .lede { margin-inline: auto; }

/* ---------------- footer ---------------- */
footer.site {
  border-top: 1px solid var(--line); padding: 3.5rem 0 2.5rem; background: #050e14;
}
.foot-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 2rem; }
footer.site h4 { font-size: .74rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); font-family: var(--font-sans); margin-bottom: 1rem; }
footer.site ul { list-style: none; margin: 0; padding: 0; }
footer.site li { margin: .5rem 0; font-size: .89rem; }
footer.site a { color: #b0c4cf; }
.foot-bottom {
  margin-top: 2.6rem; padding-top: 1.4rem; border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap;
  font-size: .78rem; color: var(--muted);
}

/* ---------------- reveal animation ---------------- */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .9s cubic-bezier(.2, .8, .2, 1), transform .9s cubic-bezier(.2, .8, .2, 1); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .09s; }
.reveal.d2 { transition-delay: .18s; }
.reveal.d3 { transition-delay: .27s; }
.reveal.d4 { transition-delay: .36s; }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .marquee-track, .spec-card { animation: none; }
  html { scroll-behavior: auto; }
}

/* ---------------- responsive ---------------- */
@media (max-width: 980px) {
  .hero .wrap { grid-template-columns: 1fr; }
  .g3, .g4, .split, .form-grid, .foot-grid { grid-template-columns: 1fr 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  nav ul {
    position: fixed; inset: 62px 0 auto 0; flex-direction: column; gap: 0;
    background: rgba(5, 14, 20, .98); border-bottom: 1px solid var(--line);
    padding: 1rem 1.3rem 1.6rem; transform: translateY(-140%); transition: transform .4s ease;
  }
  nav.open ul { transform: none; }
  nav ul li { padding: .75rem 0; border-bottom: 1px solid rgba(255, 255, 255, .05); }
  .burger { display: block; }
}
@media (max-width: 620px) {
  .g2, .g3, .g4, .split, .form-grid, .foot-grid { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  body { font-size: 16px; }
  section { padding: 3.4rem 0; }
}