/* ════════════════════════════════════════════════════════════
   CodeVocab — tanıtım sayfası (/)
   site.css + base.css üzerine yüklenir.
   ════════════════════════════════════════════════════════════ */

/* ───────────── Beliren öğeler ───────────── */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  filter: blur(6px);
  transition: opacity 0.8s cubic-bezier(0.2, 0.7, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.7, 0.2, 1), filter 0.8s;
  transition-delay: var(--d, 0ms);
}

.reveal.is-in {
  opacity: 1;
  transform: none;
  filter: none;
}

/* ───────────── Hero ───────────── */

.lp-hero {
  position: relative;
  z-index: 1;
  padding: 84px 0 40px;
  text-align: center;
}

.lp-title {
  margin: 0 auto;
  max-width: 900px;
  font-size: clamp(42px, 8vw, 92px);
  font-weight: 600;
  line-height: 0.98;
  letter-spacing: -0.055em;
  text-wrap: balance;
  padding-bottom: 0.1em;
}

.lp-title .grad {
  background: linear-gradient(100deg, var(--accent) 0%, var(--accent-2) 45%, var(--text) 100%);
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: shimmer 8s ease-in-out infinite alternate;
}

@keyframes shimmer {
  to {
    background-position: 100% 0;
  }
}

.lp-lead {
  max-width: 600px;
  margin: 22px auto 0;
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-2);
  text-wrap: pretty;
}

/* Hero yazı kutusu: dönen pembe kenar */
.lp-composer {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 600px;
  margin: 36px auto 0;
  padding: 7px 7px 7px 20px;
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  isolation: isolate;
}

.lp-composer-ring {
  position: absolute;
  inset: -1px;
  z-index: -1;
  border-radius: inherit;
  padding: 1px;
  background: conic-gradient(from var(--angle, 0deg), var(--border-strong) 0deg, var(--accent) 60deg, var(--border-strong) 140deg, var(--border-strong) 360deg);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  animation: spin 5s linear infinite;
}

@property --angle {
  syntax: "<angle>";
  initial-value: 0deg;
  inherits: false;
}

@keyframes spin {
  to {
    --angle: 360deg;
  }
}

.lp-composer:focus-within {
  box-shadow: 0 0 0 4px var(--accent-soft), var(--shadow-sm);
}

.lp-composer input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  font: inherit;
  font-size: 16px;
  color: var(--text);
}

.lp-composer input::placeholder {
  color: var(--text-3);
}

.lp-send {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex-shrink: 0;
  height: 42px;
  padding: 0 18px;
  border: 0;
  border-radius: 999px;
  background: var(--invert);
  color: var(--invert-text);
  font: inherit;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: transform 0.15s, opacity 0.15s;
}

.lp-send:hover {
  transform: translateX(2px);
}

.lp-send svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lp-hint {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--text-3);
}

.lp-hint a {
  color: var(--text-2);
  text-underline-offset: 3px;
}

/* ───────────── Canlı demo ───────────── */

.demo-stage {
  position: relative;
  max-width: 760px;
  margin: 64px auto 0;
  perspective: 1400px;
}

.demo-glow {
  position: absolute;
  inset: 10% 5% -10%;
  background: radial-gradient(closest-side, var(--glow-1), transparent);
  filter: blur(30px);
  pointer-events: none;
}

.demo {
  position: relative;
  border: 1px solid var(--border-strong);
  border-radius: 20px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: var(--shadow);
  text-align: left;
  overflow: hidden;
  transition: transform 0.25s ease-out;
  transform-style: preserve-3d;
}

.demo-bar {
  display: flex;
  align-items: center;
  gap: 7px;
  height: 42px;
  padding: 0 16px;
  border-bottom: 1px solid var(--border);
}

.demo-bar > span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--surface-3);
}

.demo-bar p {
  display: flex;
  align-items: center;
  gap: 7px;
  margin: 0 auto;
  padding-right: 44px;
  font-size: 12.5px;
  color: var(--text-3);
}

.demo-favicon {
  width: 16px;
  height: 16px;
  object-fit: contain;
}

.demo-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-height: 262px;
  padding: 26px;
}

.demo-user {
  align-self: flex-end;
  max-width: 85%;
  min-height: 44px;
  padding: 11px 16px;
  border-radius: 18px 18px 4px 18px;
  background: var(--surface-2);
  font-size: 15px;
}

.caret {
  display: inline-block;
  width: 2px;
  height: 1.05em;
  margin-left: 2px;
  vertical-align: -0.15em;
  background: var(--accent);
  animation: blink 1s steps(1) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

.demo-card {
  display: flex;
  gap: 18px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--bg-elev);
  opacity: 0;
  transform: translateY(10px) scale(0.98);
  transition: opacity 0.45s, transform 0.45s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.demo-card.is-on {
  opacity: 1;
  transform: none;
}

.demo-score {
  position: relative;
  flex-shrink: 0;
  width: 64px;
  height: 64px;
}

.demo-ring {
  width: 64px;
  height: 64px;
  transform: rotate(-90deg);
}

.demo-ring circle {
  fill: none;
  stroke-width: 5;
}

.demo-ring .track {
  stroke: var(--surface-3);
}

.demo-ring .bar {
  stroke-linecap: round;
  transition: stroke-dashoffset 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
}

.demo-score b {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  font-size: 19px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.demo-main {
  min-width: 0;
}

.demo-label {
  margin: 0 0 6px;
  font-family: "Geist Mono", monospace;
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-3);
}

.demo-diff {
  margin: 0 0 10px;
  font-size: 16px;
  line-height: 1.6;
}

.demo-diff del,
.mini-diff del {
  padding: 1px 4px;
  border-radius: 5px;
  background: color-mix(in srgb, var(--bad) 14%, transparent);
  color: var(--bad);
  text-decoration: line-through;
}

.demo-diff ins,
.mini-diff ins {
  padding: 1px 4px;
  border-radius: 5px;
  background: color-mix(in srgb, var(--good) 14%, transparent);
  color: var(--good);
  text-decoration: none;
}

.demo-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-2);
}

.demo-note b {
  color: var(--text);
  font-weight: 500;
}

/* ───────────── Ortak bölüm ───────────── */

.lp-section {
  position: relative;
  z-index: 1;
  padding: 88px 0;
}

.lp-h2 {
  margin: 0 0 40px;
  font-size: clamp(30px, 4.6vw, 52px);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.045em;
  text-wrap: balance;
}

/* ───────────── Hata şeridi ───────────── */

.lp-marquee-wrap .lp-h2 {
  margin-bottom: 32px;
}

.marquee {
  overflow: hidden;
  padding: 6px 0;
  -webkit-mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}

.marquee-track {
  display: flex;
  gap: 12px;
  width: max-content;
  animation: marquee 60s linear infinite;
}

.marquee.is-reverse .marquee-track {
  animation-direction: reverse;
  animation-duration: 70s;
}

.marquee:hover .marquee-track {
  animation-play-state: paused;
}

@keyframes marquee {
  to {
    transform: translateX(calc(-50% - 6px));
  }
}

.mistake {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 11px 18px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: 15px;
  white-space: nowrap;
  transition: border-color 0.2s, transform 0.2s;
}

.mistake:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.mistake s {
  color: var(--bad);
  text-decoration-thickness: 1.5px;
  opacity: 0.85;
}

.mistake svg {
  fill: none;
  stroke: var(--text-3);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.mistake b {
  font-weight: 500;
  color: var(--good);
}

/* ───────────── Bento ───────────── */

.bento {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.b-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--surface);
  overflow: hidden;
  isolation: isolate;
}

.b-card h3 {
  margin: 0;
  font-size: 21px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.b-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--text-2);
}

.b-wide {
  grid-column: span 2;
  flex-direction: row;
  align-items: center;
  gap: 28px;
}

.b-wide .b-text {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 12px;
}

.b-tag {
  width: fit-content;
  font-family: "Geist Mono", monospace;
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
}

/* İmleci takip eden ışık: arka plan + kenar */
.spot::before,
.spot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  opacity: 0;
  transition: opacity 0.35s;
  pointer-events: none;
}

.spot::before {
  z-index: -1;
  background: radial-gradient(420px circle at var(--x, 50%) var(--y, 50%), var(--accent-soft), transparent 60%);
}

.spot::after {
  padding: 1px;
  background: radial-gradient(260px circle at var(--x, 50%) var(--y, 50%), var(--accent), transparent 70%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
}

.spot:hover::before,
.spot:hover::after {
  opacity: 1;
}

.b-visual {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--bg-elev);
}

.mini-analysis {
  flex: 1;
  max-width: 340px;
  padding: 18px;
}

.mini-score {
  margin-bottom: 8px;
  color: var(--warn);
}

.mini-score b {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.04em;
}

.mini-score span {
  font-size: 13px;
  color: var(--text-3);
}

.mini-diff {
  margin: 0 0 8px !important;
  font-size: 15px !important;
  color: var(--text) !important;
}

.mini-note {
  font-size: 13px !important;
}

.mini-note strong {
  color: var(--text);
  font-weight: 500;
}

.mini-word {
  padding: 16px;
}

.mw-head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.mw-head b {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.mw-head span {
  font-family: "Geist Mono", monospace;
  font-size: 13px;
  color: var(--accent);
}

.mw-tr {
  margin: 4px 0 12px !important;
  font-size: 14px !important;
}

.mw-levels {
  display: flex;
  gap: 6px;
}

.mw-levels span {
  padding: 3px 9px;
  border: 1px solid var(--border);
  border-radius: 999px;
  font-family: "Geist Mono", monospace;
  font-size: 11px;
  color: var(--text-2);
}

.mini-quiz {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px;
}

.mini-quiz p {
  margin: 0 0 4px !important;
  font-size: 15px !important;
  color: var(--text) !important;
}

.mini-quiz .opt {
  padding: 7px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 13.5px;
  color: var(--text-2);
}

.mini-quiz .opt.ok {
  border-color: color-mix(in srgb, var(--good) 50%, transparent);
  background: color-mix(in srgb, var(--good) 12%, transparent);
  color: var(--good);
}

.mini-lock {
  display: grid;
  place-items: center;
  width: 120px;
  height: 120px;
  flex-shrink: 0;
  border-radius: 28px;
}

.mini-lock svg {
  fill: none;
  stroke: var(--accent);
  stroke-width: 1.6;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ───────────── Akış ───────────── */

.flow {
  position: relative;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow::before {
  content: "";
  position: absolute;
  top: 22px;
  left: 22px;
  right: 22px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), var(--border-strong) 50%, transparent);
}

.flow li {
  position: relative;
}

.flow-num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border: 1px solid var(--border-strong);
  border-radius: 50%;
  background: var(--bg);
  font-family: "Geist Mono", monospace;
  font-size: 14px;
}

.flow li:first-child .flow-num {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 0 6px var(--accent-soft);
}

.flow h3 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.flow p {
  margin: 0;
  max-width: 300px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-2);
}

/* ───────────── Rakamlar ───────────── */

.lp-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.lp-stats > div {
  padding: 34px 24px;
}

.lp-stats > div + div {
  border-left: 1px solid var(--border);
}

.lp-stats b {
  display: block;
  font-size: clamp(34px, 4.4vw, 52px);
  font-weight: 600;
  letter-spacing: -0.05em;
  font-variant-numeric: tabular-nums;
}

.lp-stats span {
  font-size: 14px;
  color: var(--text-3);
}

/* ───────────── Son çağrı ───────────── */

.lp-cta {
  position: relative;
  padding: 80px 32px;
  border: 1px solid var(--border);
  border-radius: 32px;
  background:
    radial-gradient(600px 260px at 50% 0%, var(--glow-1), transparent 70%),
    var(--surface);
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}

.lp-cta h2 {
  margin: 0;
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 600;
  letter-spacing: -0.05em;
  line-height: 1.05;
  text-wrap: balance;
}

.lp-cta p {
  margin: 16px 0 0;
  font-size: 17px;
  color: var(--text-2);
}

.lp-cta .btn svg {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ───────────── Responsive ───────────── */

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

  .b-wide {
    grid-column: auto;
    flex-direction: column;
    align-items: stretch;
  }

  .mini-analysis {
    max-width: none;
  }

  .mini-lock {
    display: none;
  }

  .flow {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .flow::before {
    top: 22px;
    bottom: 22px;
    left: 22px;
    right: auto;
    width: 1px;
    height: auto;
    background: linear-gradient(180deg, var(--accent), var(--border-strong) 50%, transparent);
  }

  .flow li {
    padding-left: 64px;
  }

  .flow-num {
    position: absolute;
    left: 0;
    top: -10px;
  }

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

  .lp-stats > div:nth-child(3) {
    border-left: 0;
  }

  .lp-stats > div:nth-child(n + 3) {
    border-top: 1px solid var(--border);
  }
}

@media (max-width: 560px) {
  .lp-hero {
    padding-top: 56px;
  }

  .lp-lead {
    font-size: 16px;
  }

  .lp-composer {
    padding-left: 16px;
  }

  .lp-send span {
    display: none;
  }

  .lp-send {
    width: 42px;
    padding: 0;
    justify-content: center;
  }

  .demo-stage {
    margin-top: 44px;
  }

  .demo-body {
    min-height: 330px;
    padding: 18px;
  }

  .demo-card {
    flex-direction: column;
    gap: 12px;
  }

  .lp-section {
    padding: 64px 0;
  }

  .mistake {
    font-size: 14px;
    padding: 9px 14px;
  }

  .lp-cta {
    padding: 56px 20px;
    border-radius: 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    filter: none;
    transition: none;
  }

  .marquee-track,
  .lp-composer-ring,
  .lp-title .grad,
  .caret {
    animation: none;
  }
}