/* ==========================================================================
   ChinnA's Events — base.css
   Design tokens, reset, typography, layout primitives, motion system.
   ========================================================================== */

/* --------------------------------------------------
   1 · TOKENS
   -------------------------------------------------- */
:root{
  /* Core palette */
  --ink:        #171717;
  --ink-deep:   #0D0D0C;
  --ink-800:    #1C1B19;
  --ink-700:    #262421;
  --ivory:      #F7F3EA;
  --navy:       #172A46;   /* secondary — used sparingly, ~10% of the page */
  --cream:      #EFE8DE;
  --champagne:  #E3D7C2;
  --gold:       #B89B5E;
  --gold-soft:  #D2BB8B;
  --gold-deep:  #8F7742;
  --taupe:      #8A8177;

  /* Semantic — light surfaces */
  --on-light:        #171717;
  --on-light-muted:  #5C574F;
  --line-light:      rgba(23,23,23,.14);
  --line-light-soft: rgba(23,23,23,.08);

  /* Semantic — dark surfaces */
  --on-dark:         #F1ECE4;
  --on-dark-muted:   rgba(241,236,228,.62);
  --line-dark:       rgba(241,236,228,.16);
  --line-dark-soft:  rgba(241,236,228,.08);

  /* Type */
  --serif: "Cormorant Garamond", "Times New Roman", Times, serif;
  --sans:  "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Rhythm */
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --maxw: 1440px;
  --sec-y: clamp(5.5rem, 11vw, 11rem);

  /* Motion */
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --nav-h: 96px;   /* sized around the logo lockup, which is four lines deep */
}

@media (max-width: 900px){ :root{ --nav-h: 78px; } }


/* --------------------------------------------------
   2 · RESET
   -------------------------------------------------- */
*,*::before,*::after{ box-sizing:border-box; }

html{
  -webkit-text-size-adjust:100%;
  scroll-behavior:smooth;
  scroll-padding-top: var(--nav-h);
}

body{
  margin:0;
  /* Dark canvas: every section paints its own background, so this only shows
     behind the curved bottom corners of the page and in overscroll — both
     places where it should read as the footer. */
  background: var(--ink-deep);
  color: var(--on-light);
  font-family: var(--sans);
  font-size: clamp(.95rem, .35vw + .87rem, 1.0625rem);
  font-weight: 300;
  line-height: 1.75;
  letter-spacing: .005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.is-locked{ overflow:hidden; }

h1,h2,h3,h4,p,figure,blockquote,ol,ul{ margin:0; }
ol,ul{ list-style:none; padding:0; }
img,svg{ display:block; max-width:100%; }
img{ height:auto; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }

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

:focus-visible{
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link{
  position:absolute; top:-100px; left:1rem; z-index:9999;
  background: var(--ink); color: var(--ivory);
  padding:.75rem 1.25rem; font-size:.8rem; letter-spacing:.12em; text-transform:uppercase;
}
.skip-link:focus{ top:1rem; }

/* Anchor target must not generate a line box above the hero */
#top{ display:block; height:0; }


/* --------------------------------------------------
   3 · LAYOUT PRIMITIVES
   -------------------------------------------------- */
.container{
  width:100%;
  max-width: var(--maxw);
  margin-inline:auto;
  padding-inline: var(--gutter);
}

.section{ padding-block: var(--sec-y); }


/* --------------------------------------------------
   4 · TYPOGRAPHY
   -------------------------------------------------- */
.h2{
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.25rem, 5.1vw, 4.6rem);
  line-height: 1.04;
  letter-spacing: -.015em;
}
.h2 em{
  font-style: italic;
  font-weight: 300;
  color: var(--gold);
}

.eyebrow{
  font-family: var(--sans);
  font-size: .6875rem;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1.35rem;
}

.eyebrow--rule{
  display:flex; align-items:center; gap:1rem;
}
.eyebrow--rule::before{
  content:""; width: clamp(28px, 5vw, 64px); height:1px;
  background: currentColor; opacity:.7; flex:none;
}

.lede{
  font-size: clamp(1.02rem, .5vw + .92rem, 1.2rem);
  line-height: 1.7;
}

.rule{
  width: 64px; height:1px;
  background: var(--line-light);
  margin: 2rem 0;
}
.rule--gold{ background: var(--gold); opacity:.55; }

/* Underline-sweep text link with arrow */
.link-arrow{
  display:inline-flex; align-items:center; gap:.7rem;
  font-size:.75rem; font-weight:500;
  letter-spacing:.22em; text-transform:uppercase;
  padding-bottom:.55rem;
  position:relative;
  color: var(--on-light);
}
.link-arrow::after{
  content:""; position:absolute; left:0; right:0; bottom:0; height:1px;
  background: currentColor; opacity:.28;
  transform-origin: left;
  transition: transform .6s var(--ease), opacity .4s;
}
.link-arrow span{ transition: transform .5s var(--ease); color: var(--gold); }
.link-arrow:hover::after{ opacity:1; }
.link-arrow:hover span{ transform: translateX(7px); }


/* --------------------------------------------------
   5 · MOTION SYSTEM
   -------------------------------------------------- */

/* Scroll reveal. Hidden only when JS is present and able to reveal. */
.js [data-reveal]{
  opacity:0;
  transform: translateY(26px);
  transition:
    opacity  .95s var(--ease) var(--d, 0ms),
    transform .95s var(--ease) var(--d, 0ms);
  will-change: opacity, transform;
}
.js [data-reveal].is-in,
.js.reveal-off [data-reveal]{
  opacity:1;
  transform:none;
}

/* Masked line reveal (hero headline).
   padding-bottom keeps serif descenders clear of the overflow mask. */
.line{ display:block; overflow:hidden; padding-bottom:.15em; }
.line__in{
  display:block;
  transform: translateY(108%);
  transition: transform 1.15s var(--ease-out) var(--d, 0ms);
}
html.no-js .line__in,
.is-ready .line__in{ transform:none; }


/* --------------------------------------------------
   6 · REDUCED MOTION
   -------------------------------------------------- */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
  .js [data-reveal]{ opacity:1 !important; transform:none !important; }
  .line__in{ transform:none !important; }
}