/* =============================================================================
   thisisjesuschrist.org base foundation
   The design DNA: palette, typography, layout primitives, shared chrome.
   Pure CSS. Mobile-first. Restraint over decoration.
   ========================================================================== */

/* -----------------------------------------------------------------------------
   1. Design tokens
   -------------------------------------------------------------------------- */
:root {
  /* Palette */
  --color-cream: #f5f0e6;        /* page background */
  --color-cream-soft: #efe7d8;   /* recessed surfaces, cards */
  --color-cream-deep: #e7dcc7;   /* hairlines on cream, footer ground */
  --color-ink: #1f1a14;          /* primary text */
  --color-ink-soft: #5b5347;     /* secondary text */
  --color-ink-faint: #8a8174;    /* tertiary text, captions */
  --color-slate: #2c3e50;        /* primary accent */
  --color-gold: #b8923a;         /* secondary accent */
  --color-gold-bright: #cda64d;  /* gold on dark grounds */
  --color-terracotta: #a8543a;   /* highlight */
  --color-terracotta-deep: #943f2a; /* terracotta hover/active */

  /* Era hues (defined now, used on later pages) */
  --era-premortal: #2c4a6e;      /* deep blue */
  --era-mortal: #6f4a33;         /* earth brown */
  --era-americas: #b8923a;       /* warm gold */
  --era-restoration: #3c5a40;    /* forest green */

  /* Light text for use over dark grounds (mobile nav drawer), derived from cream */
  --on-dark: var(--color-cream);
  --on-dark-soft: color-mix(in srgb, var(--color-cream) 78%, transparent);
  --on-dark-faint: color-mix(in srgb, var(--color-cream) 55%, transparent);

  /* Typography */
  --font-display: "Cormorant Garamond", "EB Garamond", Georgia, "Times New Roman", serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Fluid type scale */
  --step--1: clamp(0.84rem, 0.80rem + 0.18vw, 0.94rem);
  --step-0:  clamp(1.06rem, 1.00rem + 0.28vw, 1.18rem);   /* body */
  --step-1:  clamp(1.30rem, 1.18rem + 0.55vw, 1.62rem);
  --step-2:  clamp(1.62rem, 1.40rem + 1.00vw, 2.30rem);
  --step-3:  clamp(2.05rem, 1.65rem + 1.90vw, 3.30rem);
  --step-4:  clamp(2.60rem, 1.95rem + 3.10vw, 4.75rem);
  --step-5:  clamp(3.10rem, 2.10rem + 4.70vw, 6.00rem);   /* hero */

  --leading-tight: 1.08;
  --leading-snug: 1.28;
  --leading-body: 1.7;

  --measure: 68ch;       /* body text line length */
  --measure-tight: 46ch; /* lead-in / hero copy */

  /* Spacing scale */
  --space-2xs: 0.375rem;
  --space-xs: 0.625rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: clamp(5rem, 4rem + 5vw, 9rem); /* section rhythm */

  /* Layout */
  --container: 72rem;
  --gutter: clamp(1.25rem, 0.7rem + 2.7vw, 2.75rem);

  /* Detail */
  --radius: 2px;
  --hairline: 1px solid var(--color-cream-deep);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --transition: 280ms var(--ease);
  --header-height: 4.75rem;

  --z-header: 100;
  --z-nav: 200;
}

/* -----------------------------------------------------------------------------
   2. Reset
   -------------------------------------------------------------------------- */
*,
*::before,
*::after { box-sizing: border-box; }

* { margin: 0; }

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + 1rem);
}

body {
  min-height: 100vh;
  min-height: 100svh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
  height: auto;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding: 0;
}

a { color: inherit; }

:where(h1, h2, h3, h4) {
  text-wrap: balance;
  overflow-wrap: break-word;
}

p { text-wrap: pretty; }

/* -----------------------------------------------------------------------------
   3. Base elements
   -------------------------------------------------------------------------- */
body {
  background-color: var(--color-cream);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: var(--leading-body);
  font-weight: 400;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
  color: var(--color-ink);
}

h1 { font-size: var(--step-4); }
h2 { font-size: var(--step-3); }
h3 { font-size: var(--step-2); }
h4 { font-size: var(--step-1); }

p { max-width: var(--measure); }

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

a:hover { color: var(--color-terracotta); }

strong { font-weight: 600; }

::selection {
  background-color: var(--color-gold);
  color: var(--color-cream);
}

/* Visible, generous focus for keyboard users */
:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
  border-radius: var(--radius);
}

/* -----------------------------------------------------------------------------
   4. Layout primitives & utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section {
  padding-block: var(--space-3xl);
}

.flow > * + * { margin-block-start: var(--space-sm); }

.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* Small tracked label, used for eyebrows and CTA microcopy */
.eyebrow {
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
}

/* Skip link */
.skip-link {
  position: absolute;
  top: 0.5rem;
  left: 0.5rem;
  z-index: calc(var(--z-nav) + 1);
  padding: 0.6rem 1rem;
  background: var(--color-ink);
  color: var(--on-dark);
  font-size: var(--step--1);
  transform: translateY(-160%);
  transition: transform var(--transition);
}

.skip-link:focus { transform: translateY(0); }

/* -----------------------------------------------------------------------------
   5. Buttons & links
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.9rem 1.85rem;
  font-family: var(--font-body);
  font-size: var(--step-0);
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.005em;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition),
              border-color var(--transition), transform var(--transition);
}

/* Solid highlight button, warm and inviting against the luminous ground */
.btn--primary {
  background-color: var(--color-terracotta);
  color: var(--color-cream);
  border-color: var(--color-terracotta);
}

.btn--primary:hover {
  background-color: var(--color-terracotta-deep);
  border-color: var(--color-terracotta-deep);
  color: var(--color-cream);
  transform: translateY(-2px);
}

.btn--primary > span {
  display: inline-block;
  transition: transform var(--transition);
}

.btn--primary:hover > span { transform: translateX(3px); }

/* Quiet text-link CTA with an animated underline */
.btn--ghost {
  padding-inline: 0;
  background: none;
  color: var(--color-slate);
  border: 0;
  border-radius: 0;
  position: relative;
}

.btn--ghost::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35em;
  width: 100%;
  height: 1px;
  background-color: currentColor;
  transform: scaleX(0.001);
  transform-origin: left;
  opacity: 0.5;
  transition: transform var(--transition);
}

.btn--ghost:hover {
  color: var(--color-terracotta);
  transform: none;
}

.btn--ghost:hover::after { transform: scaleX(1); }

.btn--ghost > span {
  transition: transform var(--transition);
  display: inline-block;
}

.btn--ghost:hover > span { transform: translateX(0.25em); }

/* -----------------------------------------------------------------------------
   6. Site header / navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-header);
  min-height: var(--header-height);
  display: flex;
  align-items: center;
  color: var(--color-ink);
  background-color: transparent;
  border-bottom: 1px solid transparent;
  transition: background-color var(--transition), color var(--transition),
              border-color var(--transition), box-shadow var(--transition);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  width: 100%;
}

.site-header__wordmark {
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: currentColor;
}

.site-header__wordmark:hover { color: currentColor; }

.site-header__tld {
  font-weight: 400;
  opacity: 0.6;
}

/* Solid state once the user scrolls past the hero crest */
.site-header.is-scrolled {
  background-color: color-mix(in srgb, var(--color-cream) 92%, transparent);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
  backdrop-filter: saturate(140%) blur(10px);
  color: var(--color-ink);
  border-bottom-color: var(--color-cream-deep);
  box-shadow: 0 1px 24px color-mix(in srgb, var(--color-ink) 6%, transparent);
}

/* Primary nav */
.site-header__nav ul {
  list-style: none;
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 0.5rem + 1.8vw, 2.4rem);
  margin: 0;
  padding: 0;
}

.site-header__nav a {
  color: currentColor;
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.04em;
  padding-block: 0.4rem;
  position: relative;
}

.site-header__nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 1px;
  background-color: var(--color-gold);
  transform: scaleX(0.001);
  transform-origin: left;
  transition: transform var(--transition);
}

.site-header__nav a:hover,
.site-header__nav a[aria-current="page"] { color: currentColor; }

.site-header__nav a:hover::after,
.site-header__nav a[aria-current="page"]::after { transform: scaleX(1); }

/* Hamburger toggle (hidden on wide screens) */
.site-header__toggle {
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  background: none;
  border: 0;
  cursor: pointer;
  color: currentColor;
}

.site-header__toggle-bar {
  display: block;
  width: 22px;
  height: 1.5px;
  margin-inline: auto;
  background-color: currentColor;
  transition: transform var(--transition), opacity var(--transition);
}

/* -----------------------------------------------------------------------------
   7. Hero
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: 100vh;
  min-height: 100svh;
  padding-block: calc(var(--header-height) + var(--space-xl)) var(--space-2xl);
  overflow: hidden;
}

/* Placeholder ground: a cream foundation with a warm sunrise bloom rising from
   the bottom center, suggesting dawn light. The top ~60% rests on the cream
   foundation; the bloom tints are warm sunrise shades stepping from cream toward
   gold. Stands in for full-bleed photography (dawn over the Sea of Galilee /
   first light through the Sacred Grove / the horizon of Bountiful). When real
   imagery is sourced, swap this layer for the <img>/background-image and add a
   scrim tuned to that photo. */
.hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-color: var(--color-cream);
  background-image:
    radial-gradient(ellipse 80% 40% at 50% 100%,
      #e8b878 0%,
      #efc89a 20%,
      #f3dcb8 40%,
      transparent 70%),
    linear-gradient(to top,
      #f3e0c0 0%,
      #f5e8d2 30%,
      var(--color-cream) 60%,
      var(--color-cream) 100%);
}

.hero__inner {
  max-width: var(--container);
}

.hero__content { max-width: 52rem; }

.hero__eyebrow {
  color: var(--color-ink-faint);
  margin-bottom: var(--space-md);
}

.hero__title {
  color: var(--color-slate);
  /* Sized larger than the general display step so a three-word headline
     still lands with weight; max-width keeps it a tight, framed block. */
  font-size: clamp(3.4rem, 2.0rem + 6.2vw, 7.25rem);
  font-weight: 600;
  line-height: 1.0;
  letter-spacing: -0.02em;
  max-width: 11em;
  text-shadow: 0 1px 1px rgba(255, 252, 244, 0.55);
}

.hero__subtitle {
  color: var(--color-ink-soft);
  font-size: var(--step-1);
  font-weight: 400;
  line-height: 1.5;
  max-width: 63ch;
  margin-top: var(--space-md);
  text-wrap: balance;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md) var(--space-lg);
  margin-top: var(--space-xl);
}

/* Decorative scroll cue at the foot of the hero */
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: var(--space-lg);
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
}

.hero__scroll-line {
  width: 1px;
  height: 2.75rem;
  background: linear-gradient(to bottom,
    transparent 0%,
    color-mix(in srgb, var(--color-slate) 55%, transparent) 100%);
}

.hero__scroll-label {
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--color-ink-faint);
}

/* -----------------------------------------------------------------------------
   8. Site footer: a deeper-cream continuation of the page, not a dark slab
   -------------------------------------------------------------------------- */
.site-footer {
  margin-top: auto;
  background-color: var(--color-cream-deep);
  color: var(--color-ink-soft);
  padding-block: var(--space-2xl) var(--space-xl);
  font-size: var(--step--1);
  border-top: 1px solid color-mix(in srgb, var(--color-gold) 22%, var(--color-cream-deep));
}

.site-footer__inner {
  display: grid;
  gap: var(--space-xl);
}

.site-footer__wordmark {
  font-family: var(--font-body);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ink);
}

.site-footer__tagline {
  margin-top: var(--space-sm);
  max-width: 42ch;
  color: var(--color-ink-soft);
  line-height: 1.6;
}

.site-footer__nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm) var(--space-lg);
  margin: 0;
  padding: 0;
}

.site-footer__nav a {
  color: var(--color-ink-soft);
  letter-spacing: 0.04em;
}

.site-footer__nav a:hover { color: var(--color-terracotta); }

.site-footer__legal {
  display: grid;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid color-mix(in srgb, var(--color-ink) 14%, transparent);
  color: var(--color-ink-faint);
  line-height: 1.6;
}

.site-footer__disclaimer { max-width: 70ch; }

.site-footer__legal a {
  color: var(--color-slate);
  text-decoration: underline;
  text-underline-offset: 0.2em;
  text-decoration-color: color-mix(in srgb, var(--color-slate) 30%, transparent);
}

.site-footer__legal a:hover {
  color: var(--color-terracotta);
  text-decoration-color: currentColor;
}

/* -----------------------------------------------------------------------------
   9. Responsive: header collapse & nav drawer (mobile-first)
   -------------------------------------------------------------------------- */
@media (max-width: 47.9375em) {
  .site-header__nav {
    position: fixed;
    inset: 0;
    z-index: var(--z-nav);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: color-mix(in srgb, var(--color-ink) 97%, transparent);
    -webkit-backdrop-filter: blur(6px);
    backdrop-filter: blur(6px);
    color: var(--on-dark);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition), visibility var(--transition);
  }

  .site-header__nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .site-header__nav ul {
    flex-direction: column;
    gap: var(--space-lg);
    text-align: center;
  }

  .site-header__nav a {
    color: var(--on-dark);
    font-family: var(--font-display);
    font-size: var(--step-2);
    letter-spacing: 0;
  }

  /* Turn the bars into a close (X) while open */
  body.nav-open { overflow: hidden; }

  .site-header.nav-active .site-header__toggle-bar:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
  }
  .site-header.nav-active .site-header__toggle-bar:nth-child(2) { opacity: 0; }
  .site-header.nav-active .site-header__toggle-bar:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
  }

  /* Keep the toggle above the open drawer and always light */
  .site-header.nav-active { color: var(--on-dark); background-color: transparent; }
  .site-header__toggle { position: relative; z-index: calc(var(--z-nav) + 1); }
}

@media (min-width: 48em) {
  .site-header__toggle { display: none; }
  .site-header__nav { display: block !important; }
}

/* -----------------------------------------------------------------------------
   10. Motion preferences
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  .hero__scroll-line {
    transform-origin: top;
    animation: scroll-cue 2.6s var(--ease) infinite;
  }

  @keyframes scroll-cue {
    0%, 100% { transform: scaleY(0.35); opacity: 0.5; }
    50%      { transform: scaleY(1); opacity: 1; }
  }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}