@font-face {
  font-family: "Noto Sans Manichaean";
  src: url("../fonts/NotoSansManichaean-Regular.ttf") format("truetype");
  font-display: swap;
}

:root {
  --ink: #14221f;
  --ink-soft: #2a3d38;
  --fog: #e7f1ec;
  --mist: #c9ddd4;
  --lagoon: #0f6b63;
  --lagoon-deep: #0a4540;
  --amber: #d4893a;
  --amber-soft: #f0c48a;
  --sand: #f3ebe0;
  --line: rgba(20, 34, 31, 0.12);
  --glow: rgba(15, 107, 99, 0.18);
  --font-display: "Fraunces", "Palatino Linotype", serif;
  --font-body: "Figtree", "Segoe UI", sans-serif;
  --font-mani: "Noto Sans Manichaean", sans-serif;
  --radius: 4px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.55;
  background:
    radial-gradient(120% 80% at 10% -10%, #f7efe3 0%, transparent 55%),
    radial-gradient(90% 70% at 100% 0%, #cfe7e2 0%, transparent 45%),
    radial-gradient(70% 50% at 50% 100%, #d8e4ef 0%, transparent 50%),
    linear-gradient(165deg, #eef6f2 0%, #e4ece8 40%, #dce8e4 100%);
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.35;
  background-image:
    repeating-linear-gradient(
      -12deg,
      transparent,
      transparent 11px,
      rgba(15, 107, 99, 0.03) 11px,
      rgba(15, 107, 99, 0.03) 12px
    );
  z-index: 0;
}

a {
  color: var(--lagoon-deep);
}

button,
input {
  font: inherit;
}

.wrap {
  width: min(1120px, calc(100% - 2rem));
  margin-inline: auto;
  position: relative;
  z-index: 1;
}

/* —— Hero —— */
.hero {
  min-height: 100svh;
  display: grid;
  align-items: stretch;
  position: relative;
  padding: 0;
  isolation: isolate;
}

.hero-stack {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100svh;
  padding: 1.25rem 0 3.5rem;
}

.hero-plane {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(10, 69, 64, 0.92) 0%, rgba(20, 45, 58, 0.88) 48%, rgba(42, 28, 18, 0.85) 100%);
}

.hero-plane::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50% 40% at 70% 30%, rgba(212, 137, 58, 0.35), transparent 70%),
    radial-gradient(40% 50% at 20% 80%, rgba(207, 231, 226, 0.2), transparent 65%);
}

.script-wash {
  position: absolute;
  inset: auto 0 8% 0;
  font-family: var(--font-mani);
  font-size: clamp(4.5rem, 18vw, 11rem);
  line-height: 0.9;
  color: rgba(243, 235, 224, 0.14);
  direction: rtl;
  white-space: nowrap;
  letter-spacing: 0.08em;
  user-select: none;
  animation: drift 28s linear infinite;
  padding-inline: 1rem;
}

@keyframes drift {
  from { transform: translateX(0); }
  to { transform: translateX(8%); }
}

.hero-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: auto;
  padding-top: 0.5rem;
}

.nav-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.75rem;
}

.nav-pills a {
  color: rgba(243, 235, 224, 0.82);
  text-decoration: none;
  font-size: 0.92rem;
  letter-spacing: 0.02em;
  border-bottom: 1px solid transparent;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.nav-pills a:hover {
  color: var(--amber-soft);
  border-color: rgba(240, 196, 138, 0.5);
}

.hero-copy {
  color: var(--sand);
  max-width: 34rem;
  padding-bottom: 0.5rem;
  animation: rise-in 0.9s var(--ease) both;
}

@keyframes rise-in {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(3.4rem, 11vw, 6.4rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0 0 1rem;
  color: var(--sand);
  text-wrap: balance;
}

.brand span {
  display: block;
  font-size: 0.28em;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  opacity: 0.72;
  margin-bottom: 0.55rem;
  font-family: var(--font-body);
}

.lede {
  margin: 0 0 1.75rem;
  font-size: clamp(1.05rem, 2.2vw, 1.25rem);
  max-width: 28ch;
  color: rgba(243, 235, 224, 0.88);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.btn {
  appearance: none;
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: 0.85rem 1.35rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: var(--amber);
  color: #1a1208;
  font-weight: 600;
}

.btn-primary:hover {
  background: var(--amber-soft);
}

.btn-ghost {
  background: transparent;
  color: var(--sand);
  border-color: rgba(243, 235, 224, 0.35);
}

.btn-ghost:hover {
  border-color: var(--amber-soft);
  color: var(--amber-soft);
}

.btn-solid {
  background: var(--lagoon);
  color: #f4fffc;
  font-weight: 600;
}

.btn-solid:hover {
  background: var(--lagoon-deep);
}

.btn-quiet {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-soft);
}

.btn-quiet:hover {
  border-color: var(--lagoon);
  color: var(--lagoon-deep);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

/* —— Sections —— */
section {
  padding: 4.5rem 0 1rem;
}

.section-head {
  max-width: 36rem;
  margin-bottom: 2rem;
  animation: fade-up 0.7s var(--ease) both;
}

.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.1;
  margin: 0 0 0.65rem;
  letter-spacing: -0.02em;
}

.section-head p {
  margin: 0;
  color: var(--ink-soft);
  max-width: 42ch;
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —— Progress / path —— */
.progress-banner {
  margin-top: 1.5rem;
  margin-bottom: -1.5rem;
}

.progress-banner[hidden] {
  display: none;
}

.progress-banner-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.25rem;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line);
}

.progress-banner-inner p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 52rem;
}

.progress-banner-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.path-rail {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
  margin-bottom: 1.25rem;
}

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

.path-step {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  text-align: start;
  width: 100%;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.32);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.path-step:hover {
  border-color: var(--lagoon);
  transform: translateY(-1px);
}

.path-step[aria-current="step"] {
  border-color: var(--lagoon);
  background: rgba(15, 107, 99, 0.12);
  box-shadow: inset 0 0 0 1px rgba(15, 107, 99, 0.2);
}

.path-num {
  flex: 0 0 auto;
  width: 1.75rem;
  height: 1.75rem;
  display: grid;
  place-items: center;
  border-radius: 999px;
  background: var(--lagoon);
  color: #f4fffc;
  font-weight: 700;
  font-size: 0.85rem;
}

.path-body {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.path-body strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.path-body small {
  color: var(--ink-soft);
  font-size: 0.82rem;
  line-height: 1.35;
}

.path-hint {
  min-height: 1.25rem;
  margin: 0 0 1rem;
  color: var(--lagoon-deep);
  font-size: 0.92rem;
  font-weight: 500;
}

.mastery-strip {
  margin: 0 0 1.25rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.mastery-strip p {
  margin: 0;
}

.stage-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.65rem 1rem;
  margin-bottom: 0.15rem;
}

.mastery-badge {
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-soft);
  border: 1px solid var(--line);
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius);
}

.mastery-badge.is-on {
  color: var(--lagoon-deep);
  border-color: var(--lagoon);
  background: rgba(15, 107, 99, 0.1);
}

.letter-cell.is-learned {
  background: rgba(15, 107, 99, 0.1);
}

.letter-cell.is-weak .meta {
  color: #8f3526;
}

.join-glyphs {
  font-family: var(--font-mani);
  font-size: 2rem;
  display: block;
  direction: rtl;
  color: var(--lagoon-deep);
  margin-bottom: 0.35rem;
  /* letter-spacing breaks cursive stroke continuity — keep 0 for real joining */
  letter-spacing: 0;
  font-feature-settings: normal;
  -webkit-font-feature-settings: normal;
  font-variant-ligatures: normal;
}

.join-note {
  display: block;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.stage-join dd {
  margin: 0;
}

/* —— Öğren —— */
.learn-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 2rem 2.5rem;
  align-items: start;
}

@media (max-width: 860px) {
  .learn-layout {
    grid-template-columns: 1fr;
  }
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.35);
  color: var(--ink-soft);
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.chip[aria-pressed="true"],
.chip:hover {
  background: var(--lagoon);
  border-color: var(--lagoon);
  color: #f4fffc;
}

.letter-rail {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(4.4rem, 1fr));
  gap: 0.45rem;
  max-height: min(62vh, 520px);
  overflow: auto;
  padding-right: 0.25rem;
  scrollbar-width: thin;
}

.letter-cell {
  appearance: none;
  border: 1px solid transparent;
  background: rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  padding: 0.55rem 0.25rem 0.45rem;
  cursor: pointer;
  text-align: center;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.letter-cell:hover {
  background: rgba(255, 255, 255, 0.55);
  transform: translateY(-1px);
}

.letter-cell[aria-current="true"] {
  border-color: var(--lagoon);
  background: rgba(15, 107, 99, 0.12);
  box-shadow: inset 0 0 0 1px rgba(15, 107, 99, 0.25);
}

.letter-cell .glyph {
  font-family: var(--font-mani);
  font-size: 1.85rem;
  line-height: 1.2;
  display: block;
  direction: rtl;
  color: var(--ink);
}

.letter-cell .meta {
  font-size: 0.72rem;
  color: var(--ink-soft);
  margin-top: 0.15rem;
}

.letter-stage {
  position: sticky;
  top: 1rem;
  padding: 1.75rem 0 1rem;
  border-top: 1px solid var(--line);
  min-height: 20rem;
}

.stage-glyph-row {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 1.25rem;
}

.stage-glyph {
  font-family: var(--font-mani);
  font-size: clamp(5rem, 14vw, 7.5rem);
  line-height: 1;
  direction: rtl;
  color: var(--lagoon-deep);
  animation: glyph-pop 0.45s var(--ease);
}

@keyframes glyph-pop {
  from {
    opacity: 0;
    transform: scale(0.92) translateY(8px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.stage-alt {
  font-family: var(--font-mani);
  font-size: 2.8rem;
  direction: rtl;
  color: var(--ink-soft);
}

.stage-alt small {
  display: block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  margin-top: 0.35rem;
  color: var(--ink-soft);
}

.stage-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin: 0 0 0.35rem;
}

.stage-latin {
  font-size: 1.1rem;
  color: var(--lagoon);
  font-weight: 600;
  margin: 0 0 1rem;
}

.stage-grid {
  display: grid;
  gap: 0.85rem;
  margin: 0;
}

.stage-grid div {
  border-top: 1px solid var(--line);
  padding-top: 0.75rem;
}

.stage-grid dt {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin: 0 0 0.25rem;
}

.stage-grid dd {
  margin: 0;
}

.stage-nav {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

/* —— Alıştırma —— */
.practice-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.panel {
  display: none;
  animation: fade-up 0.45s var(--ease);
}

.panel.active {
  display: block;
}

.prompt-block {
  display: grid;
  gap: 1.25rem;
  max-width: 40rem;
}

.prompt-glyph {
  font-family: var(--font-mani);
  font-size: clamp(4.5rem, 12vw, 6.5rem);
  direction: rtl;
  color: var(--lagoon-deep);
  line-height: 1;
}

.prompt-label {
  font-family: var(--font-display);
  font-size: 2rem;
  margin: 0;
}

.choices {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

@media (max-width: 520px) {
  .choices {
    grid-template-columns: 1fr;
  }
}

.choice {
  text-align: start;
  padding: 0.95rem 1rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.4);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.choice:hover {
  border-color: var(--lagoon);
  transform: translateY(-1px);
}

.choice .choice-glyph {
  font-family: var(--font-mani);
  font-size: 1.8rem;
  direction: rtl;
  display: block;
  margin-bottom: 0.2rem;
}

.choice.correct {
  background: rgba(15, 107, 99, 0.16);
  border-color: var(--lagoon);
}

.choice.wrong {
  background: rgba(180, 70, 50, 0.12);
  border-color: #b44632;
}

.feedback {
  min-height: 1.5rem;
  font-weight: 600;
  color: var(--lagoon-deep);
}

.feedback.is-wrong {
  color: #8f3526;
}

.score-line {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
  margin-top: 1rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.match-board {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

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

.match-col h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  margin: 0 0 0.75rem;
}

.match-list {
  display: grid;
  gap: 0.5rem;
}

.match-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  text-align: start;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.4);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), opacity 0.3s var(--ease);
}

.match-item .g {
  font-family: var(--font-mani);
  font-size: 1.6rem;
  direction: rtl;
  min-width: 2rem;
}

.match-item.selected {
  border-color: var(--amber);
  background: rgba(212, 137, 58, 0.12);
}

.match-item.matched {
  opacity: 0.35;
  pointer-events: none;
  border-color: var(--lagoon);
}

/* —— Bilgi şeridi —— */
.aside-strip {
  margin: 3rem 0 0;
  padding: 1.5rem 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

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

.aside-strip h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 0.4rem;
}

.aside-strip p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.mini-glyphs {
  font-family: var(--font-mani);
  font-size: 1.6rem;
  direction: rtl;
  letter-spacing: 0.15em;
  color: var(--lagoon-deep);
  margin-top: 0.5rem;
}

footer {
  padding: 2.5rem 0 3rem;
  color: var(--ink-soft);
  font-size: 0.9rem;
  border-top: 1px solid var(--line);
  margin-top: 3rem;
}

footer p {
  margin: 0;
  max-width: 50ch;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}