/* ---------------------------------------------------------------
   Flow Coffee — concept site
   Two brand modes (daylight / after dark), three daypart states.
   --------------------------------------------------------------- */

@font-face {
  font-family: "Adoha";
  src: url("../fonts/Adoha.woff2") format("woff2"),
       url("../fonts/Adoha.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Palette — from the brand board, verbatim */
  --bone:       #EFE9E0;
  --clay:       #8C5A43;
  --ink:        #2B2320;
  --black:      #0C0A0C;
  --neon-rose:  #FF5A96;
  --glow-white: #FFF1F5;

  /* Type. Adoha is the specified display face, now self-hosted.
     Bodoni Moda is the fallback while Adoha loads. */
  --display: "Adoha", "Bodoni Moda", Didot, "Times New Roman", serif;
  --sans:    "Zen Kaku Gothic New", -apple-system, BlinkMacSystemFont, sans-serif;

  /* Tracking, per the board */
  --track-display: 0.06em;
  --track-label:   0.34em;

  --measure: 62ch;
  --gutter: clamp(1.25rem, 5vw, 5rem);
  --rule: 0.5px;

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --swap: 620ms;
}

/* Daylight is the default mode; morning and noon share it. */
:root,
[data-daypart="morning"],
[data-daypart="noon"] {
  --bg:      var(--bone);
  --fg:      var(--ink);
  --accent:  var(--clay);
  --hairline: rgba(43, 35, 32, 0.18);
  --veil:    rgba(239, 233, 224, 0.90);
}

[data-daypart="noon"] {
  --bg: #F1E7D9;
}

[data-daypart="night"] {
  --bg:      var(--black);
  --fg:      var(--glow-white);
  --accent:  var(--neon-rose);
  --hairline: rgba(255, 241, 245, 0.16);
  --veil:    rgba(12, 10, 12, 0.72);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--sans);
  font-weight: 300;
  font-size: clamp(0.95rem, 0.9rem + 0.2vw, 1.0625rem);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  transition: background-color var(--swap) var(--ease),
              color var(--swap) var(--ease);
}

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

/* --- Type roles ------------------------------------------------ */

.display {
  font-family: var(--display);
  font-weight: 400;
  letter-spacing: var(--track-display);
  line-height: 1.04;
  margin: 0;
}

.label {
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.6875rem;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}

.label--quiet { color: var(--fg); opacity: 0.65; }

/* --- Skip link ------------------------------------------------- */

.skip-link {
  position: absolute;
  top: -100%;
  left: var(--gutter);
  z-index: 30;
  padding: 0.5rem 1rem;
  background: var(--accent);
  color: var(--bg);
  font-family: var(--sans);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
}

.skip-link:focus {
  top: 0;
}

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

.masthead {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
  padding: 1.15rem var(--gutter);
  background: var(--veil);
  backdrop-filter: blur(14px);
  border-bottom: var(--rule) solid var(--hairline);
  transition: background-color var(--swap) var(--ease),
              border-color var(--swap) var(--ease);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
  color: inherit;
}

.brand svg { width: 26px; height: 26px; overflow: visible; }
.brand .ring { fill: none; stroke: var(--fg); stroke-width: 1.4; }
.brand .flowline { fill: none; stroke: var(--accent); stroke-width: 1.4; stroke-linecap: round; }

/* The mark ignites after dark. This is the signature moment. */
[data-daypart="night"] .brand .ring,
[data-daypart="night"] .brand .flowline {
  stroke: var(--neon-rose);
  filter: drop-shadow(0 0 6px rgba(255, 90, 150, 0.9))
          drop-shadow(0 0 16px rgba(255, 90, 150, 0.45));
}

.brand__word {
  font-family: var(--display);
  font-size: 1.0625rem;
  letter-spacing: var(--track-display);
}

[data-daypart="night"] .brand__word {
  text-shadow: 0 0 12px rgba(255, 90, 150, 0.55);
}

.dayparts {
  display: flex;
  justify-content: center;
  gap: clamp(0.75rem, 3vw, 2.25rem);
}

.daypart-btn {
  appearance: none;
  background: none;
  border: 0;
  padding: 0.35rem 0;
  cursor: pointer;
  color: var(--fg);
  font-family: var(--sans);
  font-weight: 400;
  font-size: 0.6875rem;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  opacity: 0.65;
  border-bottom: 1px solid transparent;
  transition: opacity 260ms var(--ease), color 260ms var(--ease),
              border-color 260ms var(--ease);
}

.daypart-btn:hover { opacity: 0.75; }

.daypart-btn[aria-selected="true"] {
  opacity: 1;
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.daypart-btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

.hours {
  justify-self: end;
  font-size: 0.6875rem;
  letter-spacing: var(--track-label);
  text-transform: uppercase;
  opacity: 0.69;
}

@media (max-width: 720px) {
  .masthead { grid-template-columns: 1fr auto; row-gap: 0.9rem; }
  .dayparts { grid-column: 1 / -1; order: 3; justify-content: space-between; }
  .hours { font-size: 0.625rem; }
}

@media (max-width: 640px) {
  .daypart-btn { letter-spacing: 0.18em; }
  .hours { letter-spacing: 0.18em; }
}

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

.hero {
  position: relative;
  min-height: min(86vh, 780px);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}

.hero__frames { position: absolute; inset: 0; }

.hero__frame {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--swap) var(--ease);
}

.hero__frame[data-active] { opacity: 1; }

.hero__frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top,
              rgba(12, 10, 12, 0.66) 0%,
              rgba(12, 10, 12, 0.18) 42%,
              rgba(12, 10, 12, 0) 68%);
}

.hero__copy {
  position: relative;
  padding: var(--gutter);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
  color: var(--glow-white);
}

.hero__eyebrow { color: var(--glow-white); opacity: 0.72; margin-bottom: 1rem; }

.hero__line {
  font-size: clamp(2.6rem, 8vw, 5.75rem);
}

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

.section { padding: clamp(3.5rem, 9vw, 8rem) var(--gutter); }

.section--tight { padding-block: clamp(2.5rem, 6vw, 5rem); }

.rule { border: 0; border-top: var(--rule) solid var(--hairline); margin: 0; }

.hour {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: clamp(2rem, 6vw, 6rem);
  align-items: start;
}

.hour__manifesto {
  font-family: var(--display);
  font-size: clamp(1.35rem, 2.4vw, 2.1rem);
  line-height: 1.38;
  letter-spacing: 0.01em;
  max-width: 24ch;
  margin: 1.25rem 0 0;
}

.menu { margin: 1.25rem 0 0; width: 100%; border-collapse: collapse; }

.menu td {
  padding: 0.62rem 0;
  border-bottom: var(--rule) solid var(--hairline);
  font-weight: 300;
}

.menu td:last-child {
  text-align: right;
  font-variant-numeric: tabular-nums;
  opacity: 0.65;
}

@media (max-width: 820px) {
  .hour { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* --- Image pairs ----------------------------------------------- */

.pair {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(0, 1fr);
  gap: clamp(0.75rem, 2vw, 1.5rem);
  align-items: stretch;
}

.pair figure { margin: 0; position: relative; overflow: hidden; }
.pair img { width: 100%; height: 100%; object-fit: cover; }

.pair--textures { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (max-width: 720px) {
  .pair { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .pair--textures { grid-template-columns: 1fr; }
}

/* --- Sensory strip --------------------------------------------- */

.senses {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1.5rem, 4vw, 4rem);
  border-top: var(--rule) solid var(--hairline);
  border-bottom: var(--rule) solid var(--hairline);
  padding-block: clamp(2rem, 4vw, 3rem);
}

.senses p + p { margin: 0.5rem 0 0; }

@media (max-width: 640px) {
  .senses { grid-template-columns: 1fr; gap: 1.75rem; }
}

/* --- Full-bleed exterior --------------------------------------- */

.exterior { position: relative; }
.exterior__frames { position: relative; aspect-ratio: 1200 / 896; max-height: 78vh; }

.exterior__frame {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--swap) var(--ease);
}

.exterior__frame[data-active] { opacity: 1; }
.exterior__frame img { width: 100%; height: 100%; object-fit: cover; }

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

.footer {
  padding: clamp(3rem, 7vw, 6rem) var(--gutter) clamp(2rem, 4vw, 3rem);
  border-top: var(--rule) solid var(--hairline);
}

.next {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem clamp(1rem, 3vw, 2.5rem);
  margin: 1.5rem 0 0;
  padding: 0;
  list-style: none;
}

.next li {
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  opacity: 0.65;
}

.colophon {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
  margin-top: clamp(2.5rem, 6vw, 5rem);
  padding-top: 1.5rem;
  border-top: var(--rule) solid var(--hairline);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  opacity: 0.65;
}

/* --- Motion preferences ---------------------------------------- */

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