/* Dive with a Doc — site styles */
:root {
  --deep: #071c33;
  --deep-2: #0d2b4e;
  --ocean: #11406b;
  --aqua: #2cc9e8;
  --aqua-dark: #0e9ab8;
  --foam: #e8f7fb;
  --ink: #16283a;
  --muted: #51677c;
  --bg: #ffffff;
  --bg-soft: #f2f8fb;
  --line: #dcebf2;
  --max: 1100px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink); background: var(--bg); line-height: 1.65; font-size: 16.5px;
}
h1, h2, h3, h4 { font-family: 'Montserrat', sans-serif; color: var(--deep); line-height: 1.2; }
img { max-width: 100%; display: block; }
a { color: var(--aqua-dark); text-decoration: none; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(7,28,51,.97); backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(44,201,232,.25);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { height: 50px; width: auto; display: block; }
.brand svg { height: 44px; width: 44px; }
.brand-name {
  font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.02rem;
  letter-spacing: .08em; color: #fff; text-transform: uppercase;
}
.brand-name span { color: var(--aqua); }
.brand-est { display: block; font-size: .62rem; letter-spacing: .22em; color: #9fc3d6; font-weight: 600; }
nav.main-nav { display: flex; gap: 26px; align-items: center; }
nav.main-nav a {
  font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: .85rem;
  letter-spacing: .04em; text-transform: uppercase; color: #cfe6f0;
  padding: 6px 0; border-bottom: 2px solid transparent;
}
nav.main-nav a:hover, nav.main-nav a.active { color: var(--aqua); border-bottom-color: var(--aqua); }
nav.main-nav a.btn-nav { background: var(--aqua); color: var(--deep); padding: 10px 20px; border-radius: 6px; border-bottom: none; font-weight: 700; }
nav.main-nav a.btn-nav:hover { background: #5cd8f0; color: var(--deep); }
.nav-toggle { display: none; background: none; border: none; font-size: 1.7rem; color: #fff; cursor: pointer; }

/* Hero */
.hero {
  background: linear-gradient(165deg, var(--deep) 0%, var(--deep-2) 45%, var(--ocean) 100%);
  color: #fff; padding: 100px 0 0; position: relative; overflow: hidden;
}
.hero::before {
  content: ""; position: absolute; left: -100px; top: -120px; width: 460px; height: 460px;
  background: radial-gradient(circle, rgba(44,201,232,.22), transparent 65%);
}
.hero .wrap { position: relative; z-index: 1; max-width: 840px; padding-bottom: 90px; }
.eyebrow {
  display: inline-block; font-family: 'Montserrat', sans-serif; font-weight: 600;
  font-size: .76rem; letter-spacing: .15em; text-transform: uppercase; color: var(--aqua);
  border: 1px solid rgba(44,201,232,.45); border-radius: 999px; padding: 6px 16px; margin-bottom: 22px;
}
.hero h1 { color: #fff; font-size: clamp(2.1rem, 4.6vw, 3.3rem); font-weight: 700; margin-bottom: 18px; }
.hero h1 em { font-style: normal; color: var(--aqua); }
.hero p.lead { font-size: 1.18rem; color: #c4dcea; max-width: 660px; margin-bottom: 34px; }
.wave-divider { display: block; width: 100%; height: 70px; margin-top: -1px; }

.btn {
  display: inline-block; font-family: 'Montserrat', sans-serif; font-weight: 700;
  font-size: .92rem; letter-spacing: .03em; padding: 14px 30px; border-radius: 6px; cursor: pointer;
}
.btn-primary { background: var(--aqua); color: var(--deep); }
.btn-primary:hover { background: #5cd8f0; color: var(--deep); }
.btn-ghost { border: 1.5px solid rgba(255,255,255,.55); color: #fff; margin-left: 12px; }
.btn-ghost:hover { border-color: var(--aqua); color: var(--aqua); }
.btn-deep { background: var(--deep-2); color: #fff; }
.btn-deep:hover { background: var(--ocean); color: #fff; }

/* Page hero */
.page-hero {
  background: linear-gradient(165deg, var(--deep) 0%, var(--deep-2) 75%);
  color: #fff; padding: 60px 0;
}
.page-hero h1 { color: #fff; font-size: clamp(1.8rem, 3.5vw, 2.5rem); }
.page-hero p { color: #c4dcea; max-width: 700px; margin-top: 10px; font-size: 1.08rem; }

/* Sections */
section.block { padding: 76px 0; }
section.block.soft { background: var(--bg-soft); }
.section-head { max-width: 740px; margin-bottom: 44px; }
.section-head .kicker {
  font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: .8rem;
  letter-spacing: .14em; text-transform: uppercase; color: var(--aqua-dark);
  display: block; margin-bottom: 10px;
}
.section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 12px; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* Cards */
.grid { display: grid; gap: 26px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: 12px;
  padding: 32px 28px; transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: 0 12px 32px rgba(7,28,51,.12); transform: translateY(-3px); }
.card .icon {
  width: 52px; height: 52px; border-radius: 50%; display: flex; align-items: center;
  justify-content: center; background: rgba(44,201,232,.14); margin-bottom: 18px;
}
.card .icon svg { width: 26px; height: 26px; stroke: var(--aqua-dark); }
.card h3 { font-size: 1.15rem; margin-bottom: 10px; }
.card p { color: var(--muted); font-size: .97rem; }

/* Pricing */
.price-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; align-items: stretch; }
.price-card {
  background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 38px 32px;
  display: flex; flex-direction: column;
}
.price-card.featured { border: 2px solid var(--aqua); box-shadow: 0 14px 40px rgba(44,201,232,.18); }
.price-card .tier { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 1.2rem; color: var(--deep); }
.price-card .price { font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 3rem; color: var(--aqua-dark); margin: 8px 0 2px; }
.price-card .for { color: var(--muted); font-size: .94rem; margin-bottom: 18px; }
.price-card ul { list-style: none; margin-bottom: 24px; flex: 1; }
.price-card li { padding: 8px 0 8px 30px; position: relative; font-size: .95rem; color: var(--ink); border-bottom: 1px dashed var(--line); }
.price-card li:last-child { border-bottom: none; }
.price-card li::before {
  content: "✓"; position: absolute; left: 0; top: 8px; width: 20px; height: 20px; border-radius: 50%;
  background: rgba(44,201,232,.18); color: var(--aqua-dark); font-weight: 700; font-size: .75rem;
  display: flex; align-items: center; justify-content: center;
}
.addon {
  background: var(--foam); border: 1px solid var(--line); border-radius: 10px;
  padding: 20px 24px; display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.addon strong { font-family: 'Montserrat', sans-serif; color: var(--deep); }
.addon .amt { font-family: 'Montserrat', sans-serif; font-weight: 700; color: var(--aqua-dark); font-size: 1.3rem; white-space: nowrap; }

/* Panels & lists */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.feature-row + .feature-row { margin-top: 72px; }
.feature-row h3 { font-size: 1.5rem; margin-bottom: 14px; }
.feature-row p { color: var(--muted); margin-bottom: 12px; }
.check-list { list-style: none; margin-top: 16px; }
.check-list li { padding-left: 32px; position: relative; margin-bottom: 12px; }
.check-list li::before {
  content: "✓"; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%;
  background: rgba(44,201,232,.16); color: var(--aqua-dark); font-weight: 700; font-size: .8rem;
  display: flex; align-items: center; justify-content: center;
}
.panel {
  background: linear-gradient(165deg, var(--deep), var(--deep-2));
  border-radius: 14px; color: #fff; padding: 40px 36px;
}
.panel h4 { color: var(--aqua); font-size: .85rem; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 14px; }
.panel p, .panel li { color: #c4dcea; font-size: .98rem; }
.panel ul { list-style: none; }
.panel li { padding-left: 24px; position: relative; margin-bottom: 10px; }
.panel li::before { content: "≈"; position: absolute; left: 0; color: var(--aqua); }
.chips { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.chip {
  font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: .78rem; letter-spacing: .04em;
  background: rgba(44,201,232,.12); color: var(--aqua-dark);
  border: 1px solid rgba(44,201,232,.35); border-radius: 999px; padding: 7px 16px;
}
.notice {
  background: var(--foam); border: 1px solid rgba(44,201,232,.4); border-radius: 10px;
  padding: 16px 20px; font-size: .92rem; color: var(--deep-2); margin: 22px 0;
}

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, var(--aqua-dark), var(--aqua));
  color: var(--deep); padding: 64px 0; text-align: center;
}
.cta-band h2 { color: var(--deep); font-size: clamp(1.5rem, 3vw, 2.1rem); margin-bottom: 12px; }
.cta-band p { color: #073042; max-width: 600px; margin: 0 auto 28px; }
.cta-band .btn { background: var(--deep); color: #fff; }
.cta-band .btn:hover { background: var(--deep-2); }

/* Contact */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.info-item { display: flex; gap: 16px; margin-bottom: 26px; }
.info-item .icon {
  flex: none; width: 46px; height: 46px; border-radius: 50%;
  background: rgba(44,201,232,.14); display: flex; align-items: center; justify-content: center;
}
.info-item .icon svg { width: 22px; height: 22px; stroke: var(--aqua-dark); }
.info-item h4 { font-size: .98rem; margin-bottom: 2px; }
.info-item p, .info-item a { color: var(--muted); font-size: .96rem; }
form.contact-form { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
label { font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: .82rem; color: var(--deep); display: block; margin-bottom: 6px; }
input, textarea, select {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 7px;
  font-family: inherit; font-size: .96rem; color: var(--ink); margin-bottom: 18px; background: #fff;
}
input:focus, textarea:focus, select:focus { outline: 2px solid rgba(44,201,232,.45); border-color: var(--aqua); }
form .btn { border: none; width: 100%; }

/* Legal text */
.legal h2 { font-size: 1.3rem; margin: 34px 0 10px; }
.legal h3 { font-size: 1.05rem; margin: 24px 0 8px; }
.legal p, .legal li { color: var(--muted); font-size: .95rem; margin-bottom: 10px; }
.legal ul { margin-left: 22px; }

/* Footer */
footer { background: var(--deep); color: #8fb4c9; padding: 56px 0 28px; font-size: .92rem; }
footer .grid.cols-3 { gap: 48px; margin-bottom: 40px; }
footer h4 { color: #fff; font-size: .95rem; margin-bottom: 14px; letter-spacing: .04em; }
footer a { color: #8fb4c9; }
footer a:hover { color: var(--aqua); }
footer ul { list-style: none; }
footer li { margin-bottom: 8px; }
.foot-bottom {
  border-top: 1px solid rgba(255,255,255,.12); padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: .82rem;
}

/* Responsive */
@media (max-width: 860px) {
  .grid.cols-3, .grid.cols-2, .feature-row, .contact-grid, .form-row, .price-grid { grid-template-columns: 1fr; }
  .feature-row + .feature-row { margin-top: 48px; }
  nav.main-nav {
    display: none; position: absolute; top: 74px; left: 0; right: 0;
    background: var(--deep); flex-direction: column; gap: 0; padding: 12px 24px 20px;
    border-bottom: 1px solid rgba(44,201,232,.25);
  }
  nav.main-nav.open { display: flex; }
  nav.main-nav a { padding: 12px 0; width: 100%; }
  .nav-toggle { display: block; }
  .brand-logo { height: 40px; }
  .hero { padding-top: 64px; }
  .btn-ghost { margin-left: 0; margin-top: 12px; }
}