/* ============ Tokens ============ */
:root {
  --bg: #0B0B0F;
  --bg-elev: #15151C;
  --bg-elev-2: #1D1D26;
  --border: #2A2A35;
  --text: #F2F2F5;
  --text-muted: #9A9AA8;
  --cyan: #4DD8DE;
  --pink: #EE1D52;
  --pink-soft: #FF5C7A;
  --focus: #7CE7EC;
  --font-display: 'Outfit', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-soft: 0 12px 40px rgba(0,0,0,0.35);
  --max-width: 1180px;
}

[data-theme="light"] {
  --bg: #FAFAF9;
  --bg-elev: #FFFFFF;
  --bg-elev-2: #F1F1F0;
  --border: #E4E4E2;
  --text: #17171B;
  --text-muted: #63636B;
  --focus: #0B7B80;
  --shadow-soft: 0 12px 32px rgba(20,20,20,0.08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--font-display); margin: 0 0 0.5em; line-height: 1.1; }

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--cyan); color: #05201f; padding: 10px 16px; z-index: 999; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.section-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section-inner.narrow { max-width: 760px; }
.section-inner.center { text-align: center; }

.eyebrow { font-size: 0.78rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--pink-soft); font-weight: 600; margin: 0 0 10px; }
.eyebrow.center { text-align: center; }
.section-title.center { text-align: center; }

/* ============ Header ============ */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 14px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}
.brand-mark { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; white-space: nowrap; }
.brand-accent { color: var(--pink); }

.main-nav { flex: 1; display: flex; justify-content: center; }
.nav-list { list-style: none; display: flex; gap: 6px; margin: 0; padding: 0; align-items: center; }
.nav-list > li > a, .nav-trigger {
  display: flex; align-items: center; gap: 6px;
  padding: 9px 14px; border-radius: 999px; font-size: 0.92rem; font-weight: 500;
  background: none; border: none; color: var(--text); cursor: pointer; font-family: var(--font-body);
}
.nav-list > li > a:hover, .nav-trigger:hover { background: var(--bg-elev-2); }
.chev { transition: transform .18s ease; }
.has-mega[data-open="true"] .chev { transform: rotate(180deg); }

.has-mega { position: relative; }
.mega-panel {
  position: absolute; top: 100%; left: 50%; transform: translateX(-50%);
  min-width: 560px; background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft);
  display: none; grid-template-columns: repeat(3, 1fr); gap: 24px;
  padding: 22px; margin-top: 10px; z-index: 50;
}
.has-mega[data-open="true"] .mega-panel { display: grid; }
.mega-col { display: flex; flex-direction: column; gap: 4px; }
.mega-heading { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); margin-bottom: 6px; font-weight: 600; }
.mega-col a { padding: 6px 8px; border-radius: 8px; font-size: 0.9rem; }
.mega-col a:hover { background: var(--bg-elev-2); color: var(--cyan); }
.mega-col a.active { color: var(--pink); font-weight: 600; }

.header-actions { display: flex; align-items: center; gap: 8px; }
.icon-btn {
  width: 38px; height: 38px; display: grid; place-items: center; border-radius: 999px;
  border: 1px solid var(--border); background: var(--bg-elev); color: var(--text); cursor: pointer;
}
.icon-moon { display: none; }
[data-theme="light"] .icon-sun { display: none; }
[data-theme="light"] .icon-moon { display: block; }

.hamburger { display: none; width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg-elev); flex-direction: column; align-items: center; justify-content: center; gap: 4px; cursor: pointer; }
.hamburger span { width: 18px; height: 2px; background: var(--text); border-radius: 2px; transition: transform .2s ease, opacity .2s ease; }
.hamburger[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.hamburger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.hamburger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.mobile-drawer {
  display: none; position: fixed; inset: 0; top: 65px; background: var(--bg); z-index: 90;
  overflow-y: auto; padding: 10px 20px 30px;
}
.mobile-drawer.open { display: block; }
.mobile-drawer ul { list-style: none; padding: 0; margin: 0; }
.mobile-drawer > ul > li > a { display: block; padding: 14px 4px; border-bottom: 1px solid var(--border); font-weight: 500; }
.drawer-trigger {
  width: 100%; text-align: left; background: none; border: none; color: var(--text); font-family: var(--font-body);
  display: flex; justify-content: space-between; align-items: center; padding: 14px 4px; border-bottom: 1px solid var(--border); font-size: 1rem; font-weight: 500; cursor: pointer;
}
.drawer-trigger svg { transition: transform .18s ease; }
.drawer-group[data-open="true"] .drawer-trigger svg { transform: rotate(180deg); }
.drawer-sub { display: none; padding-left: 14px; }
.drawer-group[data-open="true"] .drawer-sub { display: block; }
.drawer-sub li a { display: block; padding: 11px 4px; color: var(--text-muted); font-size: 0.94rem; }

@media (max-width: 880px) {
  .main-nav { display: none; }
  .hamburger { display: flex; }
}

/* ============ Breadcrumb ============ */
.breadcrumb-nav { max-width: var(--max-width); margin: 0 auto; padding: 14px 24px 0; }
.breadcrumb-nav ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; font-size: 0.82rem; color: var(--text-muted); }
.breadcrumb-nav li:not(:last-child)::after { content: '/'; margin-left: 6px; opacity: 0.5; }
.breadcrumb-nav a:hover { color: var(--cyan); }

/* ============ Hero ============ */
.hero { position: relative; padding: 56px 0 40px; overflow: hidden; }
.hero-glow {
  position: absolute; top: -180px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 500px; border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--pink) 22%, transparent), transparent 70%);
  filter: blur(20px); pointer-events: none;
}
.hero-inner { position: relative; max-width: 760px; margin: 0 auto; padding: 0 24px; text-align: center; }
.hero h1 { font-size: clamp(2.1rem, 5vw, 3.2rem); font-weight: 700; }
.glitch-text { position: relative; display: inline-block; color: var(--text); }
.glitch-text::before, .glitch-text::after {
  content: attr(data-text); position: absolute; left: 0; top: 0; width: 100%; overflow: hidden;
}
.glitch-text::before { color: var(--cyan); transform: translate(-2px, 1px); mix-blend-mode: screen; animation: glitchA 4.5s infinite steps(1); }
.glitch-text::after { color: var(--pink); transform: translate(2px, -1px); mix-blend-mode: screen; animation: glitchB 4.5s infinite steps(1); }
@keyframes glitchA { 0%,92%,100% { clip-path: inset(0 0 0 0); opacity: 0; } 93% { opacity: 0.85; clip-path: inset(10% 0 60% 0);} 95% { clip-path: inset(60% 0 5% 0); } 97% { opacity: 0; } }
@keyframes glitchB { 0%,90%,100% { clip-path: inset(0 0 0 0); opacity: 0; } 91% { opacity: 0.85; clip-path: inset(50% 0 15% 0);} 94% { clip-path: inset(5% 0 70% 0); } 96% { opacity: 0; } }

.hero-sub { color: var(--text-muted); font-size: 1.05rem; margin: 14px 0 30px; }

.tool-card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 22px; text-align: left; box-shadow: var(--shadow-soft);
}
.tool-label { display: block; font-size: 0.82rem; font-weight: 600; margin-bottom: 8px; color: var(--text-muted); }
textarea#inputText {
  width: 100%; resize: vertical; min-height: 92px; padding: 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-elev-2); color: var(--text); font-family: var(--font-body);
  font-size: 1rem;
}
textarea#inputText.invalid { border-color: var(--pink); }
.tool-meta-row { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; font-size: 0.8rem; }
.char-count { color: var(--text-muted); }
.field-error { color: var(--pink-soft); font-weight: 500; min-height: 1em; }

.tool-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 22px; border-radius: 999px; font-weight: 600; font-size: 0.94rem;
  border: 1px solid transparent; cursor: pointer; font-family: var(--font-body); transition: transform .12s ease, opacity .12s ease, background .15s ease;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: linear-gradient(135deg, var(--pink), var(--pink-soft)); color: #fff; }
.btn-primary:hover { opacity: 0.92; }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-ghost { background: transparent; border-color: var(--border); color: var(--text); }
.btn-ghost:hover { background: var(--bg-elev-2); }
.btn-outline { background: transparent; border-color: var(--cyan); color: var(--cyan); }
.btn-outline:hover { background: color-mix(in srgb, var(--cyan) 12%, transparent); }
.btn-outline-light { background: transparent; border-color: rgba(255,255,255,0.5); color: #fff; }
.btn-outline-light:hover { background: rgba(255,255,255,0.1); }
.btn-secondary { background: var(--bg-elev-2); border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: var(--bg-elev); }

/* spinner state */
.btn.is-loading .btn-label::after { content: ''; }
.btn.is-loading svg { animation: spin 0.7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ============ Result Section ============ */
.result-section { padding: 46px 0 10px; }
.result-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }
.result-actions { display: flex; gap: 10px; }

.result-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.font-card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-md);
  padding: 16px; display: flex; flex-direction: column; gap: 10px;
}
.font-card-label { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); font-weight: 600; }
.font-card-output {
  font-size: 1.15rem; word-break: break-word; min-height: 1.6em; line-height: 1.4;
}
.font-card-actions { display: flex; justify-content: flex-end; }
.copy-btn {
  border: 1px solid var(--border); background: var(--bg-elev-2); color: var(--text);
  border-radius: 8px; padding: 6px 12px; font-size: 0.8rem; cursor: pointer; font-family: var(--font-body); font-weight: 500;
}
.copy-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.copy-btn.copied { border-color: var(--cyan); color: var(--cyan); }

.post-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 30px; padding-top: 26px; border-top: 1px solid var(--border); }

/* ============ Reference Links ============ */
.reflinks { padding: 40px 0; }
.reflinks-title { font-family: var(--font-display); font-size: 1.1rem; font-weight: 600; margin-bottom: 16px; color: var(--text-muted); }
.reflinks-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px 20px; }
.reflinks-grid a { font-size: 0.88rem; padding: 6px 0; color: var(--text-muted); border-bottom: 1px dashed transparent; }
.reflinks-grid a:hover { color: var(--cyan); border-color: var(--cyan); }

/* ============ Features ============ */
.features { padding: 60px 0; }
.section-title { font-size: clamp(1.6rem, 3.4vw, 2.2rem); }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 18px; margin-top: 34px; }
.feature-card { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 22px; }
.feature-icon { width: 42px; height: 42px; display: grid; place-items: center; border-radius: 12px; background: var(--bg-elev-2); font-family: var(--font-display); font-weight: 700; color: var(--cyan); margin-bottom: 14px; font-size: 1.1rem; }
.feature-card h3 { font-size: 1.05rem; }
.feature-card p { color: var(--text-muted); font-size: 0.92rem; margin: 0; }

/* ============ How It Works ============ */
.how-it-works { padding: 50px 0; background: var(--bg-elev); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 26px; margin-top: 34px; }
.step { text-align: center; padding: 0 10px; }
.step-num {
  display: inline-flex; width: 40px; height: 40px; border-radius: 50%; align-items: center; justify-content: center;
  background: linear-gradient(135deg, var(--pink), var(--cyan)); color: #fff; font-family: var(--font-display); font-weight: 700; margin-bottom: 14px;
}
.step h3 { font-size: 1rem; }
.step p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

/* ============ SEO Content ============ */
.seo-content { padding: 56px 0; }
.seo-content h2 { font-size: 1.4rem; }
.seo-content p { color: var(--text-muted); margin-bottom: 1.1em; font-size: 0.96rem; }

/* ============ FAQ ============ */
.faq { padding: 50px 0 60px; }
.faq-list { margin-top: 30px; display: flex; flex-direction: column; gap: 10px; }
.faq-item { background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 6px 20px; }
.faq-item summary {
  cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-plus { width: 20px; height: 20px; position: relative; flex-shrink: 0; }
.faq-plus::before, .faq-plus::after { content: ''; position: absolute; background: var(--text-muted); border-radius: 2px; }
.faq-plus::before { width: 14px; height: 2px; top: 9px; left: 3px; }
.faq-plus::after { width: 2px; height: 14px; top: 3px; left: 9px; transition: transform .18s ease; }
.faq-item[open] .faq-plus::after { transform: rotate(90deg); }
.faq-item p { color: var(--text-muted); padding-bottom: 18px; margin: 0; }

/* ============ CTA ============ */
.cta { position: relative; padding: 64px 0; background: var(--bg-elev); overflow: hidden; margin-top: 10px; }
.cta-glow {
  position: absolute; bottom: -220px; left: 50%; transform: translateX(-50%);
  width: 900px; height: 500px; border-radius: 50%;
  background: radial-gradient(closest-side, color-mix(in srgb, var(--cyan) 18%, transparent), transparent 70%);
  pointer-events: none;
}
.cta h2 { font-size: clamp(1.5rem, 3.6vw, 2.1rem); }
.cta p { color: var(--text-muted); margin-bottom: 26px; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ============ Footer ============ */
.site-footer { border-top: 1px solid var(--border); padding: 50px 0 0; }
.footer-inner { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; display: grid; grid-template-columns: 1.6fr repeat(4, 1fr); gap: 24px; }
.footer-col { display: flex; flex-direction: column; gap: 8px; }
.footer-heading { font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 6px; }
.footer-col a { font-size: 0.88rem; color: var(--text-muted); }
.footer-col a:hover { color: var(--cyan); }
.footer-brand p { color: var(--text-muted); font-size: 0.85rem; }
.disclaimer { font-size: 0.76rem !important; opacity: 0.75; }
.footer-bottom { text-align: center; padding: 24px; margin-top: 30px; border-top: 1px solid var(--border); font-size: 0.82rem; color: var(--text-muted); }

@media (max-width: 900px) {
  .footer-inner { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .footer-inner { grid-template-columns: 1fr; }
}

/* ============ Cookie Banner ============ */
.cookie-banner {
  position: fixed; bottom: 16px; left: 16px; right: 16px; max-width: 480px; margin: 0 auto;
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius-md);
  box-shadow: var(--shadow-soft); padding: 18px; z-index: 200; display: none; gap: 14px; flex-direction: column;
}
.cookie-banner.visible { display: flex; }
.cookie-banner p { margin: 0; font-size: 0.86rem; color: var(--text-muted); }
.cookie-banner a { color: var(--cyan); }
.cookie-actions { display: flex; gap: 10px; justify-content: flex-end; }

/* ============ Toast ============ */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--bg-elev); border: 1px solid var(--border); color: var(--text);
  padding: 12px 20px; border-radius: 999px; font-size: 0.88rem; box-shadow: var(--shadow-soft);
  opacity: 0; pointer-events: none; transition: opacity .2s ease, transform .2s ease; z-index: 300;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ============ Responsive tightening ============ */
@media (max-width: 480px) {
  .header-inner { padding: 12px 16px; }
  .section-inner { padding: 0 16px; }
  .tool-actions .btn { flex: 1; }
  .result-header { flex-direction: column; align-items: flex-start; }
  .post-actions .btn { flex: 1; justify-content: center; }
}

body, .header-inner, .section-inner, .footer-inner { max-width: 100vw; }