/* ==========================================================================
   Whalebone Partners — shared stylesheet
   PLACEHOLDER COPY: swap copy, contact details, and photos before launch
   ========================================================================== */

:root {
  --color-bg: #0b2138;        /* navy — primary page background */
  --color-bg-alt: #142d4a;    /* lighter navy panel for alt sections/cards */
  --color-navy: #031122;      /* deepest navy, matches brand mark background */
  --color-navy-light: #2a4a70; /* lighter navy for borders/dividers */
  --color-text: #f3efe6;      /* cream — headings */
  --color-text-muted: #aebbcb; /* muted blue-gray body text */
  --color-accent: #6fa3d8;    /* light blue, from brand mark accent */
  --color-accent-light: #9cc4ec; /* brighter blue for hover/active states */
  --color-cream: #f6f2ea;
  --color-border: #2a4a70;

  --font-heading: "Playfair Display", Georgia, "Times New Roman", serif;
  --font-body: "Source Sans 3", -apple-system, "Helvetica Neue", Arial, sans-serif;

  --max-width: 1100px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.6;
  font-size: 17px;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.25;
  margin: 0 0 0.6em;
  color: var(--color-text);
}

p {
  margin: 0 0 1.2em;
  color: var(--color-text-muted);
}

a {
  color: var(--color-accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ----------------------------- Header / Nav ----------------------------- */

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid var(--color-navy-light);
  background-color: var(--color-navy);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo:hover {
  text-decoration: none;
}

.nav__logo img {
  height: 130px;
  display: block;
}

.nav__links {
  display: flex;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav__links a {
  color: var(--color-cream);
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.nav__links a:hover,
.nav__links a[aria-current="page"] {
  color: var(--color-accent-light);
}

/* Mobile nav toggle (checkbox hack — no JS required) */
.nav__toggle {
  display: none;
}

.nav__toggle-label {
  display: none;
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
  user-select: none;
  color: var(--color-cream);
}

/* ------------------------------- Buttons -------------------------------- */

.btn {
  display: inline-block;
  padding: 14px 32px;
  border: 1px solid var(--color-accent);
  border-radius: 2px;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text);
  background-color: transparent;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
  background-color: var(--color-accent);
  color: var(--color-bg);
  text-decoration: none;
}

.btn--light {
  border-color: #f6f2ea;
  color: #f6f2ea;
}

.btn--light:hover {
  background-color: #f6f2ea;
  color: var(--color-text);
}

/* -------------------------------- Hero ----------------------------------- */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 80vh;
  color: #f6f2ea;
  text-align: center;
  background-color: var(--color-navy);
  background-size: cover;
  background-position: center;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-color: rgba(3, 17, 34, 0.55);
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  margin: 0 auto;
  padding: 80px 24px;
}

.hero__content h1 {
  color: #f6f2ea;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
}

.hero__content p {
  color: #f1ece1;
  font-size: 1.15rem;
  max-width: 560px;
  margin: 0 auto 2em;
}

/* ------------------------------- Sections -------------------------------- */

.section {
  padding: 72px 24px;
}

.section--alt {
  background-color: var(--color-bg-alt);
}

.section__intro {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

/* ----------------------------- Image bands -------------------------------- */

.section-image img {
  width: 100%;
  max-height: 560px;
  object-fit: cover;
  display: block;
}

/* --------------------------------- Cards --------------------------------- */

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  max-width: var(--max-width);
  margin: 48px auto 0;
  padding: 0 24px;
}

.card {
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  padding: 32px;
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5em;
}

/* -------------------------------- Page hero (sub-pages) ------------------ */

.page-header {
  padding: 64px 24px 24px;
  text-align: center;
}

.page-header h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
}

/* ------------------------------- Contact ---------------------------------- */

.contact-details h2 {
  font-size: 1.4rem;
}

/* -------------------------------- Footer ---------------------------------- */

.site-footer {
  border-top: 1px solid var(--color-navy-light);
  background-color: var(--color-navy);
  padding: 40px 24px;
  text-align: center;
}

.site-footer p {
  margin: 0.3em 0;
  font-size: 0.9rem;
  color: #aebbcb;
}

.site-footer a {
  color: var(--color-accent-light);
}

.site-footer .footer__name {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-cream);
}

/* ------------------------------- Responsive -------------------------------- */

@media (max-width: 760px) {
  .nav__toggle-label {
    display: block;
  }

  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background-color: var(--color-navy);
    border-bottom: 1px solid var(--color-navy-light);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }

  .nav__links a {
    display: block;
    padding: 16px 24px;
    border-top: 1px solid var(--color-navy-light);
  }

  .nav {
    position: relative;
  }

  .nav__toggle:checked ~ .nav__links {
    max-height: 320px;
  }

  .cards {
    grid-template-columns: 1fr;
  }
}