/* base.css — shared design system for the rowanpotts.com homepage
   ("Dark Cinematic"): near-black canvas, off-white text, warm gold accent.
   Loaded first on every page, before each page's own stylesheet. */

:root {
  /* palette */
  --bg: #0e0e0f;
  --bg-2: #16150f;        /* warm near-black for the about band */
  --panel: #191917;
  --ink: #f3eee3;         /* primary text (off-white) */
  --soft: #a8a092;        /* muted text */
  --line: rgba(201, 169, 106, 0.22);
  --hair: rgba(243, 238, 227, 0.12);
  --gold: #c9a96a;
  --gold-2: #d8bd84;
  --white: #ffffff;

  /* type */
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;

  /* fluid type scale */
  --step--1: clamp(0.82rem, 0.79rem + 0.15vw, 0.92rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.12rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem);
  --step-2: clamp(1.7rem, 1.4rem + 1.4vw, 2.6rem);
  --step-3: clamp(2.2rem, 1.6rem + 2.6vw, 3.8rem);
  --step-4: clamp(3rem, 1.6rem + 7vw, 8.5rem);

  /* layout */
  --container: 1320px;
  --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 300;
  line-height: 1;
  margin: 0;
  font-optical-sizing: auto;
}

.sr_only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.shell {
  width: min(100%, var(--container));
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---- top bar / nav (overlays the hero) ---- */
.topbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 19px;
  width: 100%;
  margin-inline: auto;
  padding: 34px var(--gutter);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.8rem, 1.38rem + 1.38vw, 2.34rem);
  letter-spacing: 0.03em;
  line-height: 1;
  color: var(--ink);
}

.brand_mark {
  width: 38px; height: 38px;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
  color: var(--gold);
  transition: transform 0.45s ease;
}

.brand:hover .brand_mark,
.brand:focus-visible .brand_mark { transform: rotate(45deg); }

.nav_toggle { position: absolute; opacity: 0; pointer-events: none; }

.menu_tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 55px; height: 55px;
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
}

.menu_icon { display: inline-flex; flex-direction: column; gap: 6px; }
.menu_icon span {
  display: block;
  width: 22px; height: 2px;
  background: var(--ink);
  transition: transform 0.2s ease, opacity 0.2s ease, background-color 0.2s ease;
}

.links_list {
  grid-column: 1 / -1;
  display: none;
  flex-direction: column;
  gap: 8px;
  padding-top: 12px;
}

.links_list a {
  padding: 14px 18px;
  border: 1px solid var(--hair);
  border-radius: 4px;
  background: rgba(14, 14, 15, 0.72);
  backdrop-filter: blur(8px);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink);
}

.links_list a:hover,
.links_list a:focus-visible { border-color: var(--gold); color: var(--gold); }

.nav_toggle:checked + .menu_tab + .links_list { display: flex; }
.nav_toggle:checked + .menu_tab { background: var(--gold); border-color: var(--gold); }
.nav_toggle:checked + .menu_tab .menu_icon span { background: #1a1407; }
.nav_toggle:checked + .menu_tab .menu_icon span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav_toggle:checked + .menu_tab .menu_icon span:nth-child(2) { opacity: 0; }
.nav_toggle:checked + .menu_tab .menu_icon span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.nav_toggle:focus-visible + .menu_tab { outline: 3px solid rgba(201, 169, 106, 0.4); outline-offset: 3px; }

/* ---- buttons ---- */
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 28px;
  border: 1px solid var(--gold);
  border-radius: 2px;
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  transition: transform 0.15s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.button.primary { background: var(--gold); color: #1a1407; border-color: var(--gold); }
.button.primary:hover, .button.primary:focus-visible { background: var(--gold-2); border-color: var(--gold-2); }

.button.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.button.ghost:hover, .button.ghost:focus-visible { border-color: var(--gold); color: var(--gold); }

/* ---- footer ---- */
.site_footer {
  width: min(100%, var(--container));
  margin: 0 auto;
  padding: 52px var(--gutter) 60px;
  border-top: 1px solid var(--hair);
  display: flex;
  flex-wrap: wrap;
  gap: 18px 40px;
  align-items: baseline;
  justify-content: space-between;
}

.site_footer .foot_brand {
  font-family: var(--serif);
  font-weight: 400;
  font-size: var(--step-1);
}

.site_footer nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }

.site_footer a {
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--soft);
}

.site_footer a:hover { color: var(--gold); }

@media (min-width: 760px) {
  .topbar { display: flex; justify-content: space-between; }
  .menu_tab { display: none; }
  .links_list {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 41px;
    padding-top: 0;
  }
  .links_list a {
    padding: 0;
    background: transparent;
    backdrop-filter: none;
    border: 0;
    font-size: 1.08rem;
    letter-spacing: 0.2em;
    color: rgba(243, 238, 227, 0.82);
  }
  .links_list a:hover,
  .links_list a:focus-visible { color: var(--gold); }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}