/* Demir Atölyesi (demo) — page styles, mobile first. Self-contained so the folder could be handed to a client as-is. */

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

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

* {
  margin: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--space-3));
}

body {
  background: var(--color-concrete-100);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

a {
  color: inherit;
  text-underline-offset: 3px;
}

:focus-visible {
  outline: 3px solid var(--color-hazard);
  outline-offset: 3px;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.container {
  width: min(100% - 2 * var(--space-3), var(--content-width));
  margin-inline: auto;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Shared pieces ---------- */

.demo-banner {
  padding: var(--space-2) var(--space-3);
  background: var(--color-hazard);
  color: var(--color-concrete-900);
  font-size: var(--text-sm);
  text-align: center;
}

.demo-banner a {
  font-weight: 700;
}

.tag {
  display: inline-block;
  margin-bottom: var(--space-3);
  padding: 2px var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-concrete-900);
  background: var(--color-hazard);
}

.tag--dark {
  color: var(--color-hazard);
  background: var(--color-concrete-900);
}

.section {
  padding-block: var(--space-7);
}

.section-title {
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: var(--space-2) var(--space-5);
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 3px solid var(--color-hazard);
  transition:
    transform var(--duration) var(--ease-out),
    box-shadow var(--duration) var(--ease-out);
}

.button--hazard {
  color: var(--color-concrete-900);
  background: var(--color-hazard);
  box-shadow: 5px 5px 0 var(--color-chalk);
}

.button--hazard:hover {
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0 var(--color-chalk);
}

.button--outline {
  color: var(--color-chalk);
  border-color: var(--color-chalk);
}

.button--outline:hover {
  background: var(--color-concrete-700);
}

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

.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-concrete-900);
  color: var(--color-text-on-dark);
  border-bottom: 4px solid transparent;
  border-image: var(--hazard-stripes) 4;
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: var(--header-height);
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
}

.logo__plate {
  flex-shrink: 0;
  width: 34px;
  height: 34px;
}

.logo__plate-outer {
  fill: var(--color-plate-25);
}

.logo__plate-ring {
  fill: none;
  stroke: var(--color-chalk);
  stroke-width: 2;
}

.logo__plate-hole {
  fill: var(--color-hazard);
}

/* Two stacked words, second one smaller — reads like a stencil on a crate */
.logo__text {
  display: grid;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.logo__text span {
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.2em;
  color: var(--color-hazard);
}

.nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0;
  list-style: none;
}

.nav a {
  display: block;
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  color: var(--color-text-on-dark-muted);
}

.nav a:hover {
  color: var(--color-chalk);
}

.nav .nav__cta {
  padding: var(--space-1) var(--space-3);
  color: var(--color-concrete-900);
  background: var(--color-hazard);
}

.nav .nav__cta:hover {
  color: var(--color-concrete-900);
  background: var(--color-chalk);
}

@media (max-width: 439px) {
  .nav li:not(:last-child) {
    display: none;
  }
}

/* ---------- Illustration ---------- */

.illustration {
  width: 100%;
  height: auto;
}

.ill-slab {
  fill: var(--color-concrete-700);
}

.ill-slab-stripes {
  fill: var(--color-hazard);
}

.ill-upright,
.ill-crossbar {
  fill: var(--color-concrete-500);
}

.ill-holes circle {
  fill: var(--color-concrete-900);
}

.ill-hook {
  fill: var(--color-hazard);
}

.ill-bar,
.ill-collar {
  fill: var(--color-steel);
}

.ill-collar {
  fill: var(--color-steel-dark);
}

.ill-plate {
  stroke: var(--color-concrete-900);
  stroke-width: 2;
}

.ill-plate--25 {
  fill: var(--color-plate-25);
}

.ill-plate--20 {
  fill: var(--color-plate-20);
}

.ill-plate--15 {
  fill: var(--color-plate-15);
}

.ill-plate--10 {
  fill: var(--color-plate-10);
}

.ill-bowl {
  fill: var(--color-concrete-500);
}

.ill-chalk circle {
  fill: var(--color-chalk);
  opacity: 0.85;
}

/* Chalk dust breathes slowly; off with reduced motion */
.ill-chalk {
  transform-origin: 216px 220px;
  animation: chalk 4s ease-in-out infinite;
}

@keyframes chalk {
  50% {
    transform: translateY(-6px) scale(1.06);
    opacity: 0.7;
  }
}

.ill-sticker rect {
  fill: var(--color-chalk);
  stroke: var(--color-concrete-900);
  stroke-width: 3;
}

.ill-sticker-big {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  fill: var(--color-plate-25);
}

.ill-sticker-small {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  fill: var(--color-concrete-900);
}

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

.hero {
  padding-block: var(--space-6) var(--space-7);
  background: var(--color-concrete-900);
  color: var(--color-text-on-dark);
}

.hero__inner {
  display: grid;
  gap: var(--space-6);
}

.hero__title {
  font-size: var(--text-3xl);
  line-height: 1.12; /* room for the highlighted word's block without covering the line above */
  margin-bottom: var(--space-4);
}

/* Highlighter-style hazard block behind one word */
.hero__title-mark {
  display: inline-block;
  padding-inline: 0.08em;
  line-height: 1.05;
  color: var(--color-concrete-900);
  background: var(--color-hazard);
}

.hero__lead {
  max-width: 46ch;
  font-size: var(--text-lg);
  color: var(--color-text-on-dark-muted);
  margin-bottom: var(--space-5);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero__art {
  width: min(100%, 460px);
  justify-self: center;
}

/* ---------- Stats ---------- */

.stats {
  padding-block: var(--space-5);
  background: var(--color-concrete-800);
  color: var(--color-text-on-dark);
  border-block: 6px solid transparent;
  border-image: var(--hazard-stripes) 6;
}

.stats__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  padding: 0;
  list-style: none;
}

.stats__list li {
  display: grid;
}

.stats__list strong {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  line-height: 1;
  color: var(--color-hazard);
}

.stats__list span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  color: var(--color-text-on-dark-muted);
}

/* ---------- Membership ---------- */

.membership__controls {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.membership__controls[hidden] {
  display: none;
}

.segmented {
  display: flex;
  padding: 0;
  border: 3px solid var(--color-concrete-900);
  background: var(--color-chalk);
}

.segmented__legend {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.segmented__option {
  position: relative;
  cursor: pointer;
}

/* Native radios stay in the DOM for keyboard and screen readers; the styled span is what you see */
.segmented__option input {
  position: absolute;
  opacity: 0;
  inset: 0;
  cursor: pointer;
}

.segmented__option span {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-display);
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
}

.segmented__option small {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--color-hazard-dark);
}

.segmented__option input:checked + span {
  color: var(--color-chalk);
  background: var(--color-concrete-900);
}

.segmented__option input:checked + span small {
  color: var(--color-hazard);
}

.segmented__option input:focus-visible + span {
  outline: 3px solid var(--color-hazard);
  outline-offset: -3px;
}

.switch {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 600;
  cursor: pointer;
}

.switch input {
  position: absolute;
  opacity: 0;
}

.switch small {
  font-weight: 400;
  color: var(--color-text-muted);
}

.switch__track {
  position: relative;
  flex-shrink: 0;
  width: 48px;
  height: 28px;
  background: var(--color-concrete-200);
  border: 3px solid var(--color-concrete-900);
  transition: background-color var(--duration) var(--ease-out);
}

.switch__track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 18px;
  height: 18px;
  background: var(--color-concrete-900);
  transition: transform var(--duration) var(--ease-out);
}

.switch input:checked + .switch__track {
  background: var(--color-hazard);
}

.switch input:checked + .switch__track::after {
  transform: translateX(20px);
}

.switch input:focus-visible + .switch__track {
  outline: 3px solid var(--color-hazard-dark);
  outline-offset: 2px;
}

.plan-list {
  display: grid;
  gap: var(--space-5);
  padding: 0;
  list-style: none;
}

.plan {
  position: relative;
  display: grid;
  align-content: start;
  gap: var(--space-2);
  padding: var(--space-5) var(--space-4) var(--space-4);
  background: var(--color-chalk);
  border: 3px solid var(--color-concrete-900);
  box-shadow: 8px 8px 0 var(--color-concrete-200);
}

.plan--featured {
  color: var(--color-text-on-dark);
  background: var(--color-concrete-900);
  box-shadow: 8px 8px 0 var(--color-hazard);
}

/* Flag hangs over the featured card's top edge */
.plan__flag {
  position: absolute;
  top: -14px;
  left: var(--space-4);
  padding: 2px var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-concrete-900);
  background: var(--color-hazard);
}

.plan__name {
  font-size: var(--text-xl);
}

.plan__price {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1.1;
}

.plan__price small {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 400;
  color: var(--color-text-muted);
}

.plan--featured .plan__price small,
.plan--featured .plan__billing {
  color: var(--color-text-on-dark-muted);
}

.plan__billing {
  min-height: 1.6em;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.plan.has-student-price .plan__price span::after {
  content: " öğrenci";
  padding: 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  vertical-align: middle;
  color: var(--color-concrete-900);
  background: var(--color-hazard);
}

.plan__features {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding: var(--space-3) 0 0;
  list-style: none;
  border-top: 2px dashed var(--color-concrete-200);
}

.plan--featured .plan__features {
  border-top-color: var(--color-concrete-700);
}

.plan__features li {
  position: relative;
  padding-left: var(--space-4);
  font-size: var(--text-sm);
}

.plan__features li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 10px;
  height: 10px;
  background: var(--color-hazard);
  border: 2px solid var(--color-concrete-900);
}

.membership__note {
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---------- Schedule ---------- */

.schedule {
  background: var(--color-concrete-900);
  color: var(--color-text-on-dark);
}

.schedule__controls {
  display: grid;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.day-tabs,
.level-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.day-tabs[hidden],
.level-filter[hidden] {
  display: none;
}

.day-tab,
.level-button {
  min-height: 44px;
  padding: var(--space-1) var(--space-3);
  font-weight: 600;
  background: transparent;
  border: 2px solid var(--color-concrete-700);
  cursor: pointer;
}

.day-tab {
  min-width: 56px;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  text-transform: uppercase;
}

.level-button {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}

.day-tab:hover,
.level-button:hover {
  border-color: var(--color-chalk);
}

.day-tab[aria-selected="true"] {
  color: var(--color-concrete-900);
  background: var(--color-hazard);
  border-color: var(--color-hazard);
}

.level-button[aria-pressed="true"] {
  color: var(--color-concrete-900);
  background: var(--color-chalk);
  border-color: var(--color-chalk);
}

.days {
  display: grid;
  gap: var(--space-5);
}

.day[hidden] {
  display: none;
}

.day__title {
  margin-bottom: var(--space-3);
  font-size: var(--text-xl);
  color: var(--color-hazard);
}

.class-list {
  display: grid;
  gap: var(--space-2);
  padding: 0;
  list-style: none;
}

.class {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "time name"
    "time meta"
    "time level";
  column-gap: var(--space-3);
  row-gap: 2px;
  padding: var(--space-3);
  background: var(--color-concrete-800);
  border-left: 6px solid var(--color-concrete-700);
}

.class[hidden] {
  display: none;
}

.class time {
  grid-area: time;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-hazard);
}

.class__name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  text-transform: uppercase;
}

.class__meta {
  grid-area: meta;
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-muted);
}

.level {
  grid-area: level;
  justify-self: start;
  padding: 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

/* Level colors borrow the plate colors: light plates for beginners, heavy red for advanced */
.level--beginner {
  color: var(--color-concrete-900);
  background: var(--color-plate-10);
}

.level--intermediate {
  color: var(--color-concrete-900);
  background: var(--color-plate-15);
}

.level--advanced {
  color: var(--color-chalk);
  background: var(--color-plate-25);
}

.level--open {
  color: var(--color-concrete-900);
  background: var(--color-chalk);
}

.class:has(.level--beginner) {
  border-left-color: var(--color-plate-10);
}

.class:has(.level--intermediate) {
  border-left-color: var(--color-plate-15);
}

.class:has(.level--advanced) {
  border-left-color: var(--color-plate-25);
}

.class:has(.level--open) {
  border-left-color: var(--color-chalk);
}

.day__empty {
  padding: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-on-dark-muted);
  border: 2px dashed var(--color-concrete-700);
}

.day__empty[hidden] {
  display: none;
}

/* With tabs active, the day name is already on the selected tab */
.is-interactive .day__title {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ---------- Contact ---------- */

.contact__inner {
  display: grid;
  gap: var(--space-5);
}

.contact__lead {
  max-width: 50ch;
  color: var(--color-text-muted);
}

.contact__info {
  display: grid;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-chalk);
  border: 3px solid var(--color-concrete-900);
  box-shadow: 8px 8px 0 var(--color-hazard);
}

.contact__info dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.contact__info dd {
  font-weight: 600;
}

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

.footer {
  padding-block: var(--space-6);
  background: var(--color-concrete-900);
  color: var(--color-text-on-dark-muted);
  font-size: var(--text-sm);
  border-top: 6px solid transparent;
  border-image: var(--hazard-stripes) 6;
}

.footer__inner {
  display: grid;
  gap: var(--space-3);
}

.footer__logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-chalk);
}

.footer a {
  color: var(--color-chalk);
  font-weight: 600;
}

/* ---------- Tablet and up ---------- */

@media (min-width: 640px) {
  .stats__list {
    grid-template-columns: repeat(4, 1fr);
  }

  .nav {
    gap: var(--space-5);
  }

  .schedule__controls {
    grid-template-columns: auto auto;
    justify-content: space-between;
    align-items: center;
  }

  .class {
    grid-template-columns: 80px 1fr auto;
    grid-template-areas:
      "time name level"
      "time meta level";
    align-items: center;
  }

  .level {
    justify-self: end;
  }
}

/* ---------- Desktop ---------- */

@media (min-width: 960px) {
  .hero {
    padding-block: var(--space-8);
  }

  .hero__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .plan-list {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  /* Featured plan sits a step higher than its neighbours */
  .plan--featured {
    transform: translateY(calc(-1 * var(--space-4)));
  }

  /* Without JavaScript the whole week shows as a 3-column board */
  .days {
    grid-template-columns: repeat(3, 1fr);
  }

  .is-interactive .days {
    grid-template-columns: 1fr;
  }

  .contact__inner {
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
  }
}

/* ---------- Reduced motion ---------- */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}