/* =============================================================
 * biitsikuvat.com — Site styles
 * Loads after tokens.css. Uses CSS custom properties exclusively.
 * ============================================================= */

/* --- Reset ---------------------------------------------------- */

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

html,
body,
h1, h2, h3, h4, h5, h6,
p, figure, blockquote,
ul, ol, dl, dd {
  margin: 0;
}

ul[class],
ol[class] {
  padding: 0;
  list-style: none;
}

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

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

button {
  font: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
}

/* --- Base ----------------------------------------------------- */

html {
  font-family: var(--font-family-body);
  -webkit-text-size-adjust: 100%;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  font-weight: var(--font-weight-normal);
}

:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--border-radius-sm);
}

/* --- Masthead ------------------------------------------------- */

.masthead {
  position: relative;
  z-index: 100;
  background: var(--color-bg-primary);
}

.masthead__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  width: 100%;
  padding: var(--space-1) var(--space-3) var(--space-1) var(--space-2);
}

.masthead__logo {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  letter-spacing: var(--letter-spacing-tight);
  line-height: 1;
  color: var(--color-text-primary);
  text-decoration: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  padding: 0;
}

.masthead__dot {
  color: var(--color-accent-primary);
}

/* Hamburger disclosure (uses native <details>/<summary>). */
.masthead__menu {
  position: relative;
}

.masthead__menu-btn {
  list-style: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  -webkit-tap-highlight-color: transparent;
}

.masthead__menu-btn::-webkit-details-marker { display: none; }
.masthead__menu-btn::marker { content: ""; }

.masthead__menu-btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.masthead__menu-icon,
.masthead__menu-icon::before,
.masthead__menu-icon::after {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text-primary);
  border-radius: 2px;
  transition: transform var(--duration-fast) var(--easing-default),
              opacity var(--duration-fast) var(--easing-default);
}

.masthead__menu-icon {
  position: relative;
}

.masthead__menu-icon::before,
.masthead__menu-icon::after {
  content: "";
  position: absolute;
  left: 0;
}

.masthead__menu-icon::before { top: -7px; }
.masthead__menu-icon::after  { top: 7px; }

/* Open state — morph into an X. */
.masthead__menu[open] .masthead__menu-icon {
  background: transparent;
}
.masthead__menu[open] .masthead__menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}
.masthead__menu[open] .masthead__menu-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

/* Inline slide-down band — controlled by `.masthead__menu[open]`
   via :has(). Hidden by default, becomes a full-width strip below
   the masthead when the disclosure is open. Pushes content down. */
.masthead__nav {
  display: none;
}

.masthead:has(.masthead__menu[open]) .masthead__nav {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-5);
  padding: var(--space-3) var(--space-3) var(--space-4);
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.5);
  border-top: 1px solid var(--color-border-secondary);
  border-bottom: 1px solid var(--color-border-secondary);
}

.masthead__link {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.95);
  padding: var(--space-1) 0;
  border-bottom: 1px solid transparent;
  transition: color var(--duration-fast) var(--easing-default),
              border-bottom-color var(--duration-fast) var(--easing-default);
}

.masthead__link--active {
  color: rgba(255, 255, 255, 0.95);
  border-bottom-color: var(--color-accent-primary);
}

.masthead__link:hover {
  color: #fff;
  border-bottom-color: var(--color-accent-primary);
}

.masthead__link:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.masthead__logo:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--border-radius-sm);
}

@media (min-width: 40rem) {
  .masthead__inner {
    padding: var(--space-2) var(--space-4) var(--space-1) var(--space-2);
  }
  .masthead__logo {
    font-size: var(--font-size-xl);
  }

  /* Hide the hamburger and show the nav inline at the top-right of
     the masthead bar. Overrides both the base "hide" rule and the
     mobile-only open-state band rule. */
  .masthead__menu {
    display: none;
  }
  .masthead__nav,
  .masthead:has(.masthead__menu[open]) .masthead__nav {
    display: flex;
    position: absolute;
    inset: 0 var(--space-4) 0 auto;
    align-items: center;
    gap: var(--space-5);
    padding: 0;
    background: transparent;
    border: 0;
    opacity: 1;
  }
  .masthead__link {
    color: var(--color-text-primary);
  }
  .masthead__link--active {
    color: var(--color-accent-primary-strong);
    border-bottom-color: var(--color-accent-primary-strong);
  }
  .masthead__link:hover {
    color: var(--color-accent-primary-strong);
    border-bottom-color: var(--color-accent-primary-strong);
  }
}

@media (min-width: 64rem) {
  .masthead__inner {
    padding: var(--space-2) var(--space-5) var(--space-1) var(--space-3);
  }
  .masthead__nav,
  .masthead:has(.masthead__menu[open]) .masthead__nav {
    inset: 0 var(--space-5) 0 auto;
  }
  .masthead__logo {
    font-size: var(--font-size-xl);
  }
}

/* --- Tagline -------------------------------------------------- */

.tagline {
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: var(--space-5) var(--space-5) var(--space-4);
}

.tagline p {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  margin: 0;
  max-width: 36rem;
}

/* Mobile: stack the meta items vertically as a quiet list, no dots. */
.tagline__meta {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  font-size: var(--font-size-sm);
  color: var(--color-text-tertiary);
  line-height: var(--line-height-normal);
}

.tagline__meta-item {
  display: inline-flex;
  align-items: center;
}

.tagline__meta-item[hidden] {
  display: none;
}

.tagline__meta-item--accent {
  color: var(--color-accent-primary);
  font-weight: var(--font-weight-medium);
}

@media (min-width: 40rem) {
  .tagline {
    padding: var(--space-6) var(--space-7) var(--space-5);
  }
  .tagline p {
    font-size: var(--font-size-lg);
  }
  .tagline__meta {
    font-size: var(--font-size-base);
    margin-top: var(--space-3);
  }
}

@media (min-width: 64rem) {
  .tagline {
    padding: var(--space-7) var(--space-8) var(--space-5);
  }
  .tagline p {
    font-size: var(--font-size-xl);
    max-width: 44rem;
    line-height: var(--line-height-normal);
  }
  .tagline__meta {
    margin-top: var(--space-4);
  }
}

/* --- Tagline → grid divider --------------------------------- */

.tagline-divider {
  margin: 0;
  border: 0;
  border-top: 1px solid var(--color-border-secondary);
}

/* --- Season header ------------------------------------------- */

.season {
  margin: 0;
  padding: 0;
}

.season__header {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-snug);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
  padding: 0 var(--space-5) var(--space-3);
  border-bottom: 1px solid var(--color-border-primary);
  margin: 0 var(--space-5) var(--space-5);
}

@media (min-width: 40rem) {
  .season__header {
    padding-left: var(--space-7);
    padding-right: var(--space-7);
    margin: 0 var(--space-7) var(--space-6);
  }
}

@media (min-width: 64rem) {
  .season__header {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
    margin: 0 var(--space-8) var(--space-6);
  }
}

/* --- Grid stub (Task 2; full treatment in Task 7) ------------- */

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

@media (min-width: 40rem) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 64rem) {
  .grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.grid--single {
  display: block;
}

.card {
  position: relative;
  display: block;
  color: inherit;
  overflow: hidden;
  isolation: isolate;
}

.card:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.card__cover {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1 / 1;
  object-fit: cover;
  background: var(--color-bg-secondary);
  transition: transform var(--duration-medium) var(--easing-default);
}

@media (min-width: 40rem) {
  .card__cover {
    aspect-ratio: 4 / 5;
  }
}

/* Top bleed — the newest (first) card fades into the masthead at
   its top edge so the page reads as one continuous surface. */
.grid > .card:first-child::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 35%;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    var(--color-bg-primary) 0%,
    rgba(255, 255, 255, 0) 100%
  );
}

/* Gradient scrim — sits between the cover image and the text. */
.card::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.72) 0%,
    rgba(0, 0, 0, 0.45) 28%,
    rgba(0, 0, 0, 0) 62%
  );
  z-index: 1;
}

@media (hover: hover) {
  .card:hover .card__cover {
    transform: scale(1.03);
  }
}

.card:active .card__cover {
  transform: scale(1.02);
  transition: none;
}

.card__body {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-1);
  padding: var(--space-3) var(--space-4);
}

.card__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  letter-spacing: var(--letter-spacing-tight);
  color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
}

.card__date {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
  color: rgba(255, 255, 255, 0.9);
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

/* --- Event heading ------------------------------------------- */

.event-heading {
  max-width: var(--max-width-page);
  margin: var(--space-5) auto var(--space-5);
  padding: 0 var(--space-5);
}

.event-heading__title {
  font-family: var(--font-family-display);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-snug);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
  margin: 0 0 var(--space-2);
}

.event-heading__date {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin: 0;
}

@media (min-width: 40rem) {
  .event-heading {
    margin-top: var(--space-6);
    padding: 0 var(--space-7);
  }
  .event-heading__title {
    font-size: var(--font-size-xl);
  }
}

@media (min-width: 64rem) {
  .event-heading {
    padding: 0 var(--space-8);
  }
}

/* --- Donation block ------------------------------------------ */

.donation {
  margin: 0;
  padding: var(--space-8) var(--space-5) var(--space-5);
  background: var(--color-bg-tertiary);
}

.donation__box {
  max-width: 32rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-5);
  text-align: center;
}

.donation__eyebrow {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
}

.donation__copy {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
  margin: 0;
}

.donation__link {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  color: inherit;
  border-radius: var(--border-radius-md);
  transition: transform var(--duration-fast) var(--easing-default);
}

.donation__link:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
}

.donation__qr {
  width: 180px;
  height: 180px;
  flex: 0 0 auto;
  background: #ffffff;
  border-radius: var(--border-radius-md);
  padding: var(--space-3);
  box-shadow: 0 1px 2px rgba(20, 17, 13, 0.06),
              0 8px 24px rgba(20, 17, 13, 0.08);
  transition: box-shadow var(--duration-fast) var(--easing-default),
              transform var(--duration-fast) var(--easing-default);
}

.donation__cta {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-primary-strong);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.donation__cta::after {
  content: "→";
  font-size: var(--font-size-sm);
  letter-spacing: 0;
  transition: transform var(--duration-fast) var(--easing-default);
}

@media (hover: hover) {
  .donation__link:hover .donation__qr {
    transform: translateY(-2px);
    box-shadow: 0 2px 4px rgba(20, 17, 13, 0.08),
                0 16px 32px rgba(20, 17, 13, 0.12);
  }
  .donation__link:hover .donation__cta::after {
    transform: translateX(3px);
  }
}

@media (min-width: 40rem) {
  .donation {
    padding: var(--space-9) var(--space-7) var(--space-6);
  }
  .donation__copy {
    font-size: var(--font-size-2xl);
  }
}

@media (min-width: 64rem) {
  .donation {
    padding: var(--space-9) var(--space-8) var(--space-6);
  }
}

/* --- Site footer --------------------------------------------- */

.footer {
  margin-top: 0;
  background: #000;
  color: rgba(255, 255, 255, 0.9);
  border-top: 0;
}

.footer__inner {
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: var(--space-8) var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.footer__meta {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  align-items: flex-start;
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer__item {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.9);
  line-height: var(--line-height-normal);
  white-space: nowrap;
}

.footer__link {
  display: inline-block;
  padding: var(--space-2) 0;
  color: inherit;
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.3);
  text-underline-offset: 0.25em;
  text-decoration-thickness: 1px;
  transition: color var(--duration-fast) var(--easing-default),
              text-decoration-color var(--duration-fast) var(--easing-default);
}

.footer__link:hover {
  color: var(--color-accent-primary);
  text-decoration-color: var(--color-accent-primary);
}

.footer__link:focus-visible {
  outline: none;
  box-shadow: var(--shadow-focus);
  border-radius: var(--border-radius-sm);
}

.footer__note {
  font-size: var(--font-size-sm);
  color: rgba(255, 255, 255, 0.9);
  margin: 0;
}

@media (min-width: 40rem) {
  .footer__inner {
    padding: var(--space-8) var(--space-7);
    flex-direction: row;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--space-6);
  }
  .footer__meta {
    flex-direction: row;
    align-items: baseline;
    gap: var(--space-5);
  }
}

@media (min-width: 64rem) {
  .footer__inner {
    padding: var(--space-8);
  }
}

/* --- Tekijät page -------------------------------------------- */

.lead {
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: calc(var(--space-7) - 5px) var(--space-5) var(--space-5);
  text-align: center;
}

.lead__eyebrow {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
  margin: 0 0 var(--space-3);
}

.lead__heading {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
  margin: 0 auto;
  max-width: 22ch;
}

.creators {
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: var(--space-5) var(--space-5) var(--space-7);
}

.creator {
  max-width: 36rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-3);
}

.creator__photo {
  display: block;
  width: 100%;
  max-width: 12rem;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  background: var(--color-bg-secondary);
  margin-bottom: var(--space-2);
}

.creator__role {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
  margin: 0;
}

.creator__name {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
  margin: 0;
}

.creator__bio {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  margin: 0;
  max-width: 36ch;
}

.creator__contact {
  list-style: none;
  margin: var(--space-2) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.creator__link {
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
  text-decoration: underline;
  text-decoration-color: var(--color-border-primary);
  text-underline-offset: 0.25em;
  transition: color var(--duration-fast) var(--easing-default),
              text-decoration-color var(--duration-fast) var(--easing-default);
}

.creator__link:hover {
  color: var(--color-accent-primary-strong);
  text-decoration-color: var(--color-accent-primary);
}

.creator__pull {
  font-family: var(--font-family-display);
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-snug);
  letter-spacing: var(--letter-spacing-tight);
  color: var(--color-text-primary);
  margin: var(--space-6) 0 var(--space-5);
  max-width: 22ch;
}

.creator__subhead {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
  margin: var(--space-5) 0 var(--space-2);
}

.gear {
  width: 100%;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--color-border-secondary);
}

.gear__row {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border-secondary);
}

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

.gear__value {
  font-size: var(--font-size-md);
  line-height: var(--line-height-snug);
  color: var(--color-text-primary);
  margin: 0;
}

.usage {
  max-width: var(--max-width-page);
  margin: 0 auto;
  padding: var(--space-7) var(--space-5);
  text-align: center;
}

.usage__eyebrow {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
  margin: 0 0 var(--space-2);
}

.usage__copy {
  font-size: var(--font-size-md);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-primary);
  margin: 0 auto;
  max-width: 42ch;
}

.usage__link {
  color: var(--color-accent-primary-strong);
  text-decoration: underline;
  text-decoration-color: var(--color-accent-primary);
  text-underline-offset: 0.2em;
}

@media (min-width: 40rem) {
  .lead { padding: calc(var(--space-9) - 5px) var(--space-7) var(--space-6); }
  .lead__heading { font-size: var(--font-size-2xl); max-width: 24ch; }
  .creators {
    padding: var(--space-6) var(--space-7) var(--space-9);
  }
  .creator__pull { font-size: var(--font-size-2xl); }
  .usage { padding: var(--space-8) var(--space-7); }
}

@media (min-width: 64rem) {
  .lead { padding: calc(var(--space-9) - 5px) var(--space-8) var(--space-6); }
  .creators { padding: var(--space-6) var(--space-8) var(--space-9); }
  .usage { padding: var(--space-8) var(--space-8); }
}