/* Red Reef Dive Collective — data-attribute selectors. Breakpoints 1040/760/500. */

:root {
  --reef: #0a4d68;
  --reef-deep: #073649;
  --reef-soft: #dceaf0;
  --coral: #ff7b54;
  --coral-deep: #e25a32;
  --coral-soft: #ffe6dc;
  --foam: #eef6f8;
  --paper: #ffffff;
  --paper-2: #e3eef2;
  --ink: #122733;
  --ink-soft: #486070;
  --line: #d2e0e6;
  --line-deep: #b3c7d0;
  --radius: 10px;
  --radius-lg: 18px;
  --shadow: 0 14px 36px rgba(7,54,73,0.15);
  --shadow-sm: 0 3px 14px rgba(7,54,73,0.09);
  --wrap: 1160px;
  --font-head: "Futura", "Century Gothic", "Avenir Next", "Trebuchet MS", sans-serif;
  --font-body: "Roboto", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font-body); font-size: 16px; line-height: 1.66; color: var(--ink); background: var(--foam); }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.16; color: var(--reef); margin: 0 0 .5em; font-weight: 600; letter-spacing: .01em; }
h1 { font-size: 2.8rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.28rem; }
p { margin: 0 0 1.05em; }
a { color: var(--reef); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--coral-deep); }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 3px solid var(--coral); outline-offset: 2px; }

[data-wrap] { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
[data-eyebrow] { display: inline-block; font-family: var(--font-head); font-size: .74rem; letter-spacing: .18em; text-transform: uppercase; color: var(--coral-deep); font-weight: 700; margin-bottom: .8em; }
[data-lead] { font-size: 1.12rem; color: var(--ink-soft); }

/* Buttons — square filled + arrow ghost (radius 4) */
[data-btn] { display: inline-block; font-family: var(--font-head); font-size: .92rem; font-weight: 600; letter-spacing: .03em; text-transform: uppercase; padding: 13px 28px; border-radius: 4px; border: 2px solid transparent; text-decoration: none; cursor: pointer; transition: background .15s, color .15s; }
[data-btn="primary"] { background: var(--reef); color: #fff; }
[data-btn="primary"]:hover { background: var(--reef-deep); color: #fff; }
[data-btn="coral"] { background: var(--coral); color: var(--reef-deep); }
[data-btn="coral"]:hover { background: var(--coral-deep); color: #fff; }
[data-btn="ghost"] { background: transparent; color: var(--reef); border-color: var(--line-deep); }
[data-btn="ghost"]:hover { border-color: var(--reef); }

/* Header */
[data-header] { background: var(--paper); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 40; }
[data-header-inner] { display: flex; align-items: center; justify-content: space-between; min-height: 72px; gap: 20px; }
[data-brand] { display: flex; align-items: center; gap: 11px; text-decoration: none; }
[data-brand-mark] { width: 42px; height: 42px; border-radius: 50%; background: var(--reef); color: var(--coral); display: grid; place-items: center; font-family: var(--font-head); font-weight: 700; font-size: 1.25rem; }
[data-brand-name] { font-family: var(--font-head); font-weight: 600; font-size: 1.18rem; color: var(--reef); }
[data-nav] { display: flex; align-items: center; gap: 3px; }
[data-nav] a { font-size: .9rem; font-weight: 600; color: var(--ink-soft); text-decoration: none; padding: 9px 13px; border-radius: 4px; }
[data-nav] a:hover, [data-nav] a[aria-current="page"] { color: var(--reef); background: var(--reef-soft); }
[data-nav] a[data-cta] { background: var(--coral); color: var(--reef-deep); margin-left: 8px; }
[data-nav] a[data-cta]:hover { background: var(--coral-deep); color: #fff; }
[data-burger] { display: none; background: none; border: 2px solid var(--line-deep); border-radius: 4px; padding: 8px 11px; cursor: pointer; font-size: 1.1rem; color: var(--reef); }

/* Hero — form-right */
[data-block="hero"] { padding: 60px 0; }
[data-hero-grid] { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; }
[data-hero-grid] h1 { font-size: 3rem; }
[data-hero-actions] { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 6px; }
[data-finder] { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 30px 28px; }
[data-finder] h3 { margin-top: 0; }

/* Sections */
[data-section] { padding: 60px 0; }
[data-section="alt"] { background: var(--paper-2); }
[data-section-head] { max-width: 720px; margin-bottom: 38px; }

/* Cards */
[data-cards] { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
[data-card] { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform .18s, box-shadow .18s; display: flex; flex-direction: column; }
[data-card]:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
[data-card-media] { aspect-ratio: 3/2; background: var(--reef-soft); overflow: hidden; }
[data-card-media] img { width: 100%; height: 100%; object-fit: cover; }
[data-card-body] { padding: 22px; flex: 1; display: flex; flex-direction: column; }
[data-card-tag] { font-family: var(--font-head); font-size: .7rem; text-transform: uppercase; letter-spacing: .1em; color: var(--coral-deep); font-weight: 700; margin-bottom: 8px; }
[data-card-link] { margin-top: auto; font-weight: 700; }

/* Steps */
[data-steps] { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
[data-step] { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 28px 24px; text-align: center; }
[data-step-num] { width: 48px; height: 48px; margin: 0 auto 14px; border-radius: 50%; background: var(--coral-soft); color: var(--coral-deep); display: grid; place-items: center; font-family: var(--font-head); font-weight: 700; font-size: 1.3rem; }

/* Two-col */
[data-twocol] { display: grid; grid-template-columns: 1.3fr 0.7fr; gap: 44px; align-items: start; }
[data-callout] { background: var(--reef); color: #fff; border-radius: var(--radius-lg); padding: 30px 28px; }
[data-callout] h3 { color: var(--coral); }
[data-callout] p { color: rgba(255,255,255,0.88); }

/* Table */
[data-table-wrap] { overflow-x: auto; }
table[data-table] { width: 100%; border-collapse: collapse; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; font-size: .93rem; }
table[data-table] th, table[data-table] td { padding: 14px 16px; text-align: left; border-bottom: 1px solid var(--line); }
table[data-table] th { background: var(--reef-soft); color: var(--reef); font-weight: 700; }
table[data-table] tr:last-child td { border-bottom: 0; }

/* FAQ */
[data-faq] { max-width: 820px; }
[data-faq-item] { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 12px; overflow: hidden; }
[data-faq-q] { width: 100%; text-align: left; background: none; border: 0; padding: 18px 22px; font-family: var(--font-head); font-size: 1.02rem; font-weight: 600; color: var(--reef); cursor: pointer; display: flex; justify-content: space-between; gap: 16px; }
[data-faq-icon] { color: var(--coral-deep); transition: transform .2s; }
[data-faq-q][aria-expanded="true"] [data-faq-icon] { transform: rotate(45deg); }
[data-faq-a] { padding: 0 22px; max-height: 0; overflow: hidden; transition: max-height .25s, padding .25s; }
[data-faq-a][data-open="true"] { padding: 0 22px 20px; max-height: 640px; }

/* Plans */
[data-plans] { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; align-items: start; }
[data-plan] { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 30px 26px; }
[data-plan="featured"] { border-color: var(--coral); box-shadow: var(--shadow); }
[data-plan-price] { font-family: var(--font-head); font-size: 2.2rem; color: var(--reef); }
[data-plan-price] span { font-size: .9rem; color: var(--ink-soft); font-family: var(--font-body); }
[data-plan-list] { list-style: none; padding: 0; margin: 16px 0 22px; }
[data-plan-list] li { padding: 8px 0 8px 24px; position: relative; border-bottom: 1px solid var(--line); font-size: .92rem; }
[data-plan-list] li::before { content: "≈"; position: absolute; left: 0; color: var(--coral-deep); font-weight: 700; }

/* Form */
[data-form] { display: grid; gap: 16px; max-width: 640px; }
[data-field] { display: grid; gap: 6px; }
[data-field] label { font-family: var(--font-head); font-weight: 600; font-size: .86rem; color: var(--reef); }
[data-field] input, [data-field] select, [data-field] textarea { font-family: var(--font-body); font-size: .96rem; padding: 12px 14px; border: 1px solid var(--line-deep); border-radius: var(--radius); background: var(--paper); color: var(--ink); }
[data-field] input:focus, [data-field] select:focus, [data-field] textarea:focus { border-color: var(--reef); outline: none; box-shadow: 0 0 0 3px var(--reef-soft); }
[data-form-status] { display: none; padding: 13px 16px; border-radius: var(--radius); background: var(--coral-soft); color: var(--coral-deep); font-weight: 700; font-size: .9rem; }
[data-form-status][data-show="true"] { display: block; }
[data-consent] { display: flex; gap: 10px; align-items: flex-start; font-size: .85rem; color: var(--ink-soft); }
[data-consent] input { margin-top: 3px; }

/* Banner */
[data-banner] { background: linear-gradient(135deg, var(--reef), var(--reef-deep)); color: #fff; padding: 52px 0; }
[data-banner] h1 { color: #fff; }
[data-banner] p { color: rgba(255,255,255,0.86); max-width: 680px; margin: 0; }
[data-crumb] { font-size: .82rem; color: rgba(255,255,255,0.72); margin-bottom: 12px; }
[data-crumb] a { color: var(--coral); }

[data-prose] { max-width: 820px; }
[data-prose] h2 { margin-top: 1.6em; }
[data-prose] ul { padding-left: 22px; }
[data-prose] li { margin-bottom: 9px; }

/* Footer */
[data-footer] { background: var(--reef-deep); color: rgba(255,255,255,0.8); padding: 52px 0 28px; margin-top: 10px; }
[data-footer-grid] { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 32px; margin-bottom: 36px; }
[data-footer] h4 { color: #fff; font-family: var(--font-head); font-size: 1rem; margin-bottom: 14px; }
[data-footer] ul { list-style: none; padding: 0; margin: 0; }
[data-footer] li { margin-bottom: 9px; }
[data-footer] a { color: rgba(255,255,255,0.78); text-decoration: none; font-size: .9rem; }
[data-footer] a:hover { color: var(--coral); }
[data-footer] address { font-style: normal; font-size: .89rem; line-height: 1.8; }
[data-footer-legal] { border-top: 1px solid rgba(255,255,255,0.14); padding-top: 20px; font-size: .8rem; color: rgba(255,255,255,0.6); display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }

@media (max-width: 1040px) {
  h1 { font-size: 2.3rem; }
  [data-hero-grid] h1 { font-size: 2.4rem; }
  [data-hero-grid] { grid-template-columns: 1fr; gap: 34px; }
  [data-cards], [data-steps], [data-plans] { grid-template-columns: repeat(2, 1fr); }
  [data-twocol] { grid-template-columns: 1fr; }
  [data-footer-grid] { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  [data-nav] { display: none; position: absolute; top: 72px; left: 0; right: 0; background: var(--paper); flex-direction: column; align-items: stretch; padding: 12px 24px 18px; border-bottom: 1px solid var(--line); gap: 2px; }
  [data-nav][data-open="true"] { display: flex; }
  [data-nav] a[data-cta] { margin-left: 0; margin-top: 6px; text-align: center; }
  [data-burger] { display: block; }
  [data-cards], [data-steps], [data-plans] { grid-template-columns: 1fr; }
}

@media (max-width: 500px) {
  h1 { font-size: 1.9rem; }
  [data-hero-grid] h1 { font-size: 2rem; }
  [data-footer-grid] { grid-template-columns: 1fr; }
  [data-wrap] { padding: 0 16px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 1ms !important; transition-duration: 1ms !important; }
}