/* =========================================================================
   Isabella · Konfirmation — BASE
   Fælles tokens, grundstil og invitationskortet (som både er det kort,
   der ligger i konvolutten, og websitets hero).
   Trine Web Design System 1.0 — tokens først, komponenter bagefter.
   ========================================================================= */

/* ---------- Webfont: Libre Bodoni (selvhostet, SIL Open Font License — se assets/fonts/) ----------
   Variabel font med vægt-akse 400–700; latin-udsnit (dækker æ, ø, å).
   Valgt for læsbarhedens skyld: kraftigere hårlinjer, også i små størrelser. */
@font-face {
  font-family: "Libre Bodoni";
  font-style: normal;
  font-weight: 400 700;
  font-display: swap;
  src: url("../fonts/libre-bodoni-normal.woff2") format("woff2-variations"),
       url("../fonts/libre-bodoni-normal.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Libre Bodoni";
  font-style: italic;
  font-weight: 400 700;
  font-display: swap;
  src: url("../fonts/libre-bodoni-italic.woff2") format("woff2-variations"),
       url("../fonts/libre-bodoni-italic.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

:root {
  /* ---------- Farver (roller) ---------- */
  --c-scene:        #ECE5DC;   /* baggrund */
  --c-scene-light:  #F3EEE7;
  --c-scene-edge:   #DCD1C4;
  --c-ink:          #2A2320;   /* primær tekst */
  --c-ink-soft:     #6E6058;   /* sekundær tekst */
  --c-accent:       #8A5A4C;   /* detaljer, linjer */

  --c-card:         #F8F4ED;   /* invitationens papir */
  --c-card-light:   #FCFAF6;
  --c-card-shade:   #F0E9DE;

  --c-env:          #F1E4DA;   /* konvolut — sart rosa elfenben */
  --c-env-light:    #F9F1EB;
  --c-env-shade:    #E9D8CC;
  --c-env-deep:     #E0CBBD;
  --c-env-inner:    #E2CCBF;

  --c-blush:        #E4BDB3;   /* foer + kronblade */
  --c-blush-deep:   #CF968A;
  --c-cream:        #FBF4EE;
  --c-sage:         #9AA58A;   /* blade */
  --c-sage-deep:    #7E8A6F;
  --c-stem:         #A08A6E;

  --c-seal:         #CFA962;   /* laksegl i guld */
  --c-seal-hi:      #F3E0AE;
  --c-seal-lo:      #97712F;
  --c-seal-ink:     #8A652A;

  /* ---------- Typografi ---------- */
  --f-display: "Libre Bodoni", "Bodoni 72", Didot, Georgia, "Times New Roman", serif;   /* selvhostet webfont, se @font-face */
  --f-sans:    "Avenir Next", "Avenir", "Helvetica Neue", Helvetica, Arial, sans-serif;

  /* ---------- Størrelser ---------- */
  --env-w:              min(600px, 84vw, 64vh);  /* konvoluttens bredde */
  --card-present-max:   780;    /* px — invitationens maks. bredde når den præsenteres */
  --card-present-vw:    0.86;   /* andel af viewport-bredde */
  --card-present-vh:    0.68;   /* andel af viewport-højde */
  --card-u-max:         15px;   /* loft for typografi-enheden i hero */

  /* Site-layout */
  --container:          1120px;
  --container-narrow:   38rem;
  --gutter:             clamp(20px, 5vw, 64px);
  --section-space:      clamp(96px, 14vw, 184px);

  /* ---------- Tid (ms) — ganges med --tempo ---------- */
  --tempo:            1;        /* 1 = normal · 2 = halv fart · 0.5 = dobbelt fart */
  --t-intro:          1000ms;
  --t-seal:           700ms;
  --t-flap:           1600ms;
  --flap-extract-at:  0.7;      /* kortet begynder at glide op, når flappen er 70 % åben */
  --t-extract:        1400ms;
  --t-present:        1100ms;
  --t-hold-present:   300ms;    /* kort pause, hvor kortet hviler, før det folder sig ud */
  --t-expand:         1250ms;
  --t-settle:         1200ms;
  --t-reduced-fade:   900ms;    /* overtoning ved prefers-reduced-motion */

  /* ---------- Easing — ingen bounce, ingen overshoot ---------- */
  --ease-paper:    cubic-bezier(.65, 0, .25, 1);   /* rolig in-out */
  --ease-flap:     cubic-bezier(.42, 0, .3, 1);     /* blød start, blød landing */
  --ease-seal:     cubic-bezier(.3, 0, .2, 1);
  --flap-perspective: 2600px;
  --ease-extract:  cubic-bezier(.6, 0, .2, 1);     /* friktion → glid */
  --ease-soft:     cubic-bezier(.25, .1, .25, 1);

  /* ---------- Papirkorn (inline SVG, ingen eksterne filer) ---------- */
  --grain: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .22 0 0 0 0 .16 0 0 0 0 .11 0 0 0 .55 -.12'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

@supports (height: 1svh) {
  :root { --env-w: min(600px, 84vw, 64svh); }
}

/* Reduceret bevægelse håndteres i intro.js (rolig overtoning i stedet for hele sekvensen) */

/* =========================================================================
   Base
   ========================================================================= */

*, *::before, *::after { box-sizing: border-box; }

html {
  background: var(--c-scene);
  /* Scrollbaren skjules visuelt (siden kan stadig scrolles med mus, touch og tastatur),
     så der aldrig opstår et layout-hop, når introen slipper scroll. */
  scrollbar-width: none;
}
html::-webkit-scrollbar { display: none; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(120% 90% at 50% 42%, var(--c-scene-light) 0%, var(--c-scene) 48%, var(--c-scene-edge) 100%) fixed;
  color: var(--c-ink);
  font-family: var(--f-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

/* Scroll-lås under introen */
html.is-intro,
html.is-intro body {
  overflow: hidden;
  height: 100%;
  overscroll-behavior: none;
}

@media (prefers-reduced-motion: no-preference) {
  html:not(.is-intro) { scroll-behavior: smooth; }
}

/* Fælles papirkorn over hele oplevelsen — samler konvolut, kort og site */
body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 40;
  pointer-events: none;
  background-image: var(--grain);
  background-size: 240px;
  opacity: .5;
  mix-blend-mode: multiply;
}

.defs { position: absolute; width: 0; height: 0; overflow: hidden; }

.no-transition,
.no-transition * { transition: none !important; }

/* ---------- Stemning: varmt lys og bladskygger (fælles for intro og site) ---------- */


.light {
  position: fixed;
  inset: 0;
  z-index: 30;              /* over både scene og invitation — som sollys på bordet */
  pointer-events: none;
  overflow: hidden;
}

.light__glow {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(40% 36% at 18% 12%, rgba(255, 214, 160, .38) 0%, rgba(255, 214, 160, 0) 70%),
    radial-gradient(50% 40% at 90% 100%, rgba(120, 80, 50, .07) 0%, rgba(120, 80, 50, 0) 70%);
  mix-blend-mode: soft-light;
  animation: light-glow 14s ease-in-out infinite alternate;
}

.light__leaves {
  position: absolute;
  inset: -6%;
  width: 112%;
  height: 112%;
  fill: #5b3e2a;
  opacity: .075;
  mix-blend-mode: multiply;
  transform-origin: 100% 0;
  animation: light-sway 16s ease-in-out infinite alternate;
}

@keyframes light-sway {
  from { transform: rotate(0deg) translate3d(0, 0, 0); }
  to   { transform: rotate(1.4deg) translate3d(-1%, .6%, 0); }
}
@keyframes light-glow {
  from { opacity: .85; }
  to   { opacity: 1; }
}

[data-settled] .light__leaves { opacity: .055; }


/* =========================================================================
   Invitationen (kortet)
   Al typografi er defineret i --u (1 % af kortets bredde, begrænset af højden),
   så kortet kan skaleres frit — i konvolutten, præsenteret og som hero —
   uden at kompositionen ændrer sig.
   ========================================================================= */

.card {
  container-type: size;
  overflow: hidden;
  border-radius: 2px;
  color: var(--c-ink);
  background:
    radial-gradient(90% 70% at 30% 20%, var(--c-card-light) 0%, transparent 70%),
    linear-gradient(172deg, var(--c-card) 0%, var(--c-card) 55%, var(--c-card-shade) 100%);
  box-shadow:
    0 0 0 1px rgba(90, 60, 40, .06),
    0 1px 2px rgba(60, 38, 28, .08),
    0 0 0 0 transparent,
    0 0 0 0 transparent;
}

.card:focus { outline: none; }

.card__frame,
.card__content {
  --u: min(1.15cqw, 1.5cqh, var(--card-u-max));
}

.card__frame {
  position: absolute;
  inset: calc(var(--u) * 2.2);
  border: 1px solid rgba(138, 90, 76, .30);
  outline: 1px solid rgba(138, 90, 76, .12);
  outline-offset: calc(var(--u) * -.7);
  pointer-events: none;
}

.card__content {
  --gap: max(calc(var(--u) * 4.6), 3.4cqh);
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: calc(var(--u) * 6);
  text-align: center;
  text-shadow: 0 1px 0 rgba(255, 255, 255, .55);   /* diskret letterpress */
}

.card__content > * { margin: 0; }

.card__eyebrow {
  margin-bottom: var(--gap);
  font: 500 max(calc(var(--u) * 1.4), 1.2cqh) / 1 var(--f-sans);
  letter-spacing: .36em;
  padding-left: .36em;
  text-transform: uppercase;
  color: var(--c-accent);
}

.card__name {
  font-family: var(--f-display);
  font-weight: 400;
  font-size: calc(var(--u) * 10);
  line-height: .9;
  letter-spacing: .14em;
  padding-left: .14em;
  text-transform: uppercase;
}

.card__title {
  margin-top: calc(var(--gap) * .55);
  font-family: var(--f-display);
  font-style: italic;
  font-weight: 400;
  font-size: max(calc(var(--u) * 4.1), 2.6cqh);
  line-height: 1.1;
  letter-spacing: .01em;
}

.card__sprig {
  width: calc(var(--u) * 5.2);
  height: calc(var(--u) * 5.2);
  margin-bottom: calc(var(--gap) * .45);
  overflow: visible;
}

.card__divider {
  width: calc(var(--u) * 13);
  height: calc(var(--u) * 1.75);
  margin: var(--gap) 0;
  overflow: visible;
}

.orn-stem, .orn-leaf, .orn-line {
  fill: none;
  stroke: var(--c-sage-deep);
  stroke-width: 1;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}
.orn-line  { stroke: var(--c-accent); opacity: .45; }
.orn-bloom { fill: var(--c-blush); fill-opacity: .55; stroke: var(--c-blush-deep); stroke-width: 1; vector-effect: non-scaling-stroke; }

.card__date {
  font-family: var(--f-display);
  font-size: max(calc(var(--u) * 1.9), 1.55cqh);
  line-height: 1;
  letter-spacing: .32em;
  padding-left: .32em;
  text-transform: uppercase;
}

/* ---------- Hero-detaljer: scroll-cue ---------- */

.card__scroll {
  position: absolute;
  left: 50%;
  bottom: max(28px, calc(env(safe-area-inset-bottom) + 20px));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  white-space: nowrap;
  font: 500 10px/1 var(--f-sans);
  letter-spacing: .34em;
  padding-left: .34em;
  text-transform: uppercase;
  color: var(--c-ink-soft);
  opacity: 0;
  transform: translate(-50%, 10px);
  transition:
    opacity   calc(var(--t-settle) * var(--tempo)) var(--ease-soft),
    transform calc(var(--t-settle) * var(--tempo)) var(--ease-soft);
}

.no-js .card__scroll,
[data-settled] .card__scroll {
  opacity: 1;
  transform: translate(-50%, 0);
}

.card__scroll-line {
  position: relative;
  width: 1px;
  height: 44px;
  overflow: hidden;
  background: rgba(42, 35, 32, .14);
}

.card__scroll-line::after {
  content: "";
  position: absolute;
  left: 0;
  top: -40%;
  width: 100%;
  height: 40%;
  background: var(--c-ink);
  opacity: .55;
  animation: scroll-line 2.8s var(--ease-paper) infinite;
}

@keyframes scroll-line {
  from { top: -40%; }
  to   { top: 100%; }
}

.card__scroll { text-decoration: none; }
.card__scroll:focus-visible { outline: 1px solid var(--c-accent); outline-offset: 8px; }

@media (prefers-reduced-motion: reduce) {
  .card__scroll-line::after,
  .light__leaves,
  .light__glow { animation: none; }
}