/* =========================================================
   YTGrab — design tokens
   Rename the project? Just find & replace "YTGrab" everywhere.
   ========================================================= */

:root{
  --color-bg: #FFFFFF;
  --color-bg-alt: #FAF7F7;
  --color-surface: #FFFFFF;
  --color-border: #EBE3E3;
  --color-text: #17151A;
  --color-text-muted: #6B6470;
  --color-primary: #E11D2E;
  --color-primary-dark: #A80F1E;
  --color-primary-light: #FDEBEC;
  --color-accent: #FF5A5F;
  --color-success: #16A34A;
  --color-danger-bg: #FDEBEC;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 1px 2px rgba(20,10,10,.05);
  --shadow: 0 8px 24px rgba(20,10,10,.08);
  --shadow-lg: 0 20px 45px rgba(20,10,10,.14);

  --font-display: "Sora", "Segoe UI", sans-serif;
  --font-body: "Inter", "Segoe UI", sans-serif;

  --max-width: 1080px;
  --header-h: 72px;
}

[data-theme="dark"]{
  --color-bg: #0D0C10;
  --color-bg-alt: #151318;
  --color-surface: #1A171D;
  --color-border: #2B262C;
  --color-text: #F4F1F2;
  --color-text-muted: #A79FA4;
  --color-primary: #FF4D5E;
  --color-primary-dark: #FF7B87;
  --color-primary-light: #2B1417;
  --color-success: #4ADE80;
  --color-danger-bg: #2B1417;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.3);
  --shadow: 0 8px 24px rgba(0,0,0,.4);
  --shadow-lg: 0 20px 45px rgba(0,0,0,.55);
}

*,*::before,*::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

body{
  margin:0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background .2s ease, color .2s ease;
}

img{ max-width:100%; display:block; }
a{ color: inherit; }

h1,h2,h3,h4{
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 .5em;
  letter-spacing: -0.01em;
}
h1{ font-size: clamp(2.1rem, 5vw, 3.4rem); font-weight: 700; }
h2{ font-size: clamp(1.5rem, 3.2vw, 2.2rem); font-weight: 700; }
h3{ font-size: 1.25rem; font-weight: 650; }
p{ margin: 0 0 1em; color: var(--color-text-muted); }

.container{
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* Signature element: a short "progress" underline, evokes a download bar */
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-family: var(--font-display);
  font-size: .8rem;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 14px 6px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}
.eyebrow::before{
  content:"";
  width: 16px; height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  flex-shrink:0;
}

.section-title{ text-align:center; max-width: 640px; margin: 0 auto 12px; }
.section-sub{ text-align:center; max-width: 620px; margin: 0 auto 44px; }
.section{ padding: 72px 0; }
.section-alt{ background: var(--color-bg-alt); }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-family: var(--font-display);
  font-weight: 650;
  font-size: .98rem;
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration:none;
  transition: transform .12s ease, box-shadow .12s ease, background .15s ease, opacity .15s ease;
  white-space: nowrap;
}
.btn:active{ transform: translateY(1px) scale(.99); }
.btn-primary{
  background: linear-gradient(180deg, var(--color-primary), var(--color-primary-dark));
  color: #fff;
  box-shadow: 0 10px 24px -8px rgba(225,29,46,.55);
}
.btn-primary:hover{ box-shadow: 0 14px 28px -8px rgba(225,29,46,.65); }
.btn-ghost{
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border);
}
.btn-ghost:hover{ border-color: var(--color-primary); color: var(--color-primary); }
.btn-block{ width:100%; }
.btn[disabled]{ opacity:.6; cursor:not-allowed; }
.btn .spinner{ display:none; }
.btn.is-loading .spinner{ display:inline-block; }
.btn.is-loading .btn-label{ opacity:.7; }

.spinner{
  width:16px; height:16px;
  border-radius:50%;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color:#fff;
  animation: spin .7s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: color-mix(in srgb, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header .container{
  height: var(--header-h);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 16px;
}
.brand{ display:flex; align-items:center; gap:10px; text-decoration:none; }
.brand-mark{
  width:36px; height:36px; border-radius: 10px;
  background: linear-gradient(155deg, var(--color-primary), var(--color-primary-dark));
  display:flex; align-items:center; justify-content:center;
  color:#fff; font-family: var(--font-display); font-weight:800; font-size: 1.05rem;
  box-shadow: 0 6px 14px -4px rgba(225,29,46,.6);
}
.brand-name{ font-family: var(--font-display); font-weight: 750; font-size: 1.15rem; }

.main-nav{ display:flex; align-items:center; gap: 26px; }
.main-nav a{
  text-decoration:none; color: var(--color-text-muted);
  font-size: .95rem; font-weight: 560;
  transition: color .15s ease;
}
.main-nav a:hover, .main-nav a.active{ color: var(--color-primary); }

.header-actions{ display:flex; align-items:center; gap: 10px; }

.icon-btn{
  width: 40px; height:40px;
  display:flex; align-items:center; justify-content:center;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  cursor:pointer;
}
.icon-btn:hover{ border-color: var(--color-primary); color: var(--color-primary); }
.icon-btn svg{ width:18px; height:18px; }

.theme-toggle .sun{ display:none; }
[data-theme="dark"] .theme-toggle .sun{ display:block; }
[data-theme="dark"] .theme-toggle .moon{ display:none; }

/* language dropdown */
.lang-wrap{ position:relative; }
.lang-btn{
  display:flex; align-items:center; gap:6px;
  padding: 8px 10px;
  font-size:.9rem; font-weight:600;
}
.lang-menu{
  position:absolute; right:0; top:calc(100% + 8px);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 170px;
  padding: 6px;
  display:none;
  max-height: 320px;
  overflow-y:auto;
  z-index: 60;
}
.lang-menu.open{ display:block; }
.lang-menu button{
  display:flex; width:100%; align-items:center; gap:8px;
  padding: 9px 10px;
  border:none; background:transparent; color: var(--color-text);
  font-family: var(--font-body); font-size:.92rem;
  border-radius: 8px; cursor:pointer; text-align:left;
}
.lang-menu button:hover{ background: var(--color-primary-light); color: var(--color-primary); }
.lang-menu button.active{ color: var(--color-primary); font-weight:700; }

.menu-toggle{ display:none; }

/* mobile nav */
@media (max-width: 860px){
  .main-nav{
    position: fixed; inset: var(--header-h) 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 26px 20px;
    gap: 4px;
    transform: translateX(100%);
    transition: transform .22s ease;
    overflow-y:auto;
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav a{
    width:100%; padding: 14px 4px;
    border-bottom: 1px solid var(--color-border);
    font-size: 1.05rem;
  }
  .menu-toggle{ display:flex; }
}

/* ---------- Hero / downloader card ---------- */
.hero{ padding: 60px 0 20px; text-align:center; }
.hero h1{ margin-bottom: 16px; }
.hero h1 .accent{
  background: linear-gradient(100deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text; background-clip:text; color: transparent;
}
.hero-sub{ max-width: 560px; margin: 0 auto 34px; font-size: 1.05rem; }

.downloader-card{
  max-width: 620px; margin: 0 auto;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 22px;
}
.input-row{
  display:flex; gap:10px; margin-bottom: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 4px;
  background: var(--color-bg);
}
.input-row input{
  flex:1; border:none; background:transparent; outline:none;
  padding: 12px 10px; font-size: .98rem; color: var(--color-text); min-width:0;
}
.input-row .yt-icon{ width:26px; height:26px; flex-shrink:0; align-self:center; margin-left:8px; }

.trust-row{
  display:flex; justify-content:center; gap: 22px; flex-wrap:wrap;
  margin-top: 16px; font-size: .85rem; color: var(--color-text-muted);
}
.trust-row span{ display:flex; align-items:center; gap:6px; }
.trust-row svg{ width:16px; height:16px; color: var(--color-primary); }

.result-box{ display:none; margin-top: 18px; text-align:left; }
.result-box.show{ display:block; }
.result-thumb{
  display:flex; gap:14px; align-items:center;
  padding: 14px; border: 1px solid var(--color-border); border-radius: var(--radius-sm);
  margin-bottom: 12px; background: var(--color-bg-alt);
}
.result-thumb .thumb-ph{
  width: 92px; height: 60px; border-radius: 8px; flex-shrink:0;
  background: linear-gradient(135deg, var(--color-primary-light), var(--color-border));
  display:flex; align-items:center; justify-content:center;
  color: var(--color-primary);
}
.result-thumb .thumb-ph svg{ width:22px; height:22px; }
.format-option{
  display:flex; align-items:center; justify-content:space-between;
  padding: 12px 14px; border:1px solid var(--color-border); border-radius: var(--radius-sm);
  margin-bottom: 8px; font-size:.92rem;
}
.format-tag{
  font-family: var(--font-display); font-weight:700; font-size:.72rem;
  background: var(--color-primary-light); color: var(--color-primary);
  padding: 3px 8px; border-radius: 6px; margin-right: 10px;
}
.disclaimer-note{ font-size: .82rem; color: var(--color-text-muted); text-align:center; margin-top: 22px; }
.disclaimer-note a{ color: var(--color-primary); text-decoration: underline; }

/* ---------- Steps ---------- */
.steps{ display:grid; gap: 20px; grid-template-columns: repeat(3, 1fr); }
.step-card{
  background: var(--color-surface); border:1px solid var(--color-border);
  border-radius: var(--radius); padding: 26px; position:relative;
}
.step-num{
  display:inline-flex; align-items:center; justify-content:center;
  width: 34px; height:34px; border-radius: 10px;
  background: var(--color-primary-light); color: var(--color-primary);
  font-family: var(--font-display); font-weight:800; margin-bottom: 14px;
}

/* ---------- Feature grid ---------- */
.feature-grid{ display:grid; gap: 22px; grid-template-columns: repeat(3, 1fr); }
.feature-card{ padding: 6px; }
.feature-icon{
  width: 46px; height:46px; border-radius: 12px;
  background: var(--color-primary-light); color: var(--color-primary);
  display:flex; align-items:center; justify-content:center; margin-bottom: 14px;
}
.feature-icon svg{ width:22px; height:22px; }

/* ---------- Check lists ---------- */
.check-grid{ display:grid; gap: 32px; grid-template-columns: 1fr 1fr; }
.check-list{ list-style:none; margin:0; padding:0; }
.check-list li{ display:flex; gap:10px; padding: 9px 0; color: var(--color-text-muted); }
.check-list.good li svg{ color: var(--color-success); }
.check-list.bad li svg{ color: var(--color-primary); }
.check-list svg{ width:20px; height:20px; flex-shrink:0; margin-top:1px; }
.check-title{ font-family: var(--font-display); font-weight:750; margin-bottom: 12px; }
.check-title.good{ color: var(--color-success); }
.check-title.bad{ color: var(--color-primary); }

/* ---------- FAQ accordion ---------- */
.faq-list{ max-width: 760px; margin: 0 auto; }
.faq-item{ border-bottom: 1px solid var(--color-border); }
.faq-q{
  width:100%; display:flex; align-items:center; justify-content:space-between; gap: 16px;
  background:none; border:none; text-align:left; cursor:pointer;
  padding: 20px 4px; font-family: var(--font-display); font-weight:650; font-size: 1.02rem;
  color: var(--color-text);
}
.faq-q svg{ width:20px; height:20px; flex-shrink:0; transition: transform .2s ease; color: var(--color-primary); }
.faq-item.open .faq-q svg{ transform: rotate(180deg); }
.faq-a{ max-height:0; overflow:hidden; transition: max-height .25s ease; }
.faq-a p{ padding: 0 4px 20px; margin:0; }

/* ---------- Steps list page (how-to-use) ---------- */
.howto-list{ counter-reset: step; max-width: 720px; margin: 0 auto; }
.howto-item{
  display:flex; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--color-border);
}
.howto-item:last-child{ border-bottom:none; }
.howto-num{
  counter-increment: step; content: counter(step);
  width: 40px; height:40px; border-radius: 12px; flex-shrink:0;
  background: linear-gradient(155deg, var(--color-primary), var(--color-primary-dark));
  color:#fff; display:flex; align-items:center; justify-content:center;
  font-family: var(--font-display); font-weight:800;
}
.howto-num::before{ counter-increment: step; content: counter(step); }

/* ---------- Legal / long-form content pages ---------- */
.prose{ max-width: 760px; margin: 0 auto; }
.prose h2{ margin-top: 2em; }
.prose h3{ margin-top: 1.4em; }
.prose ul, .prose ol{ color: var(--color-text-muted); padding-left: 1.2em; }
.prose li{ margin-bottom: .4em; }
.updated-note{
  display:inline-block; font-size:.85rem; color: var(--color-text-muted);
  background: var(--color-bg-alt); border:1px solid var(--color-border);
  padding: 6px 12px; border-radius: 999px; margin-bottom: 24px;
}

/* ---------- CTA band ---------- */
.cta-band{
  text-align:center; padding: 60px 0;
  background: linear-gradient(155deg, var(--color-primary), var(--color-primary-dark));
  color:#fff; border-radius: var(--radius-lg);
}
.cta-band h2{ color:#fff; }
.cta-band p{ color: rgba(255,255,255,.85); }
.cta-band .btn-ghost{ background:#fff; color: var(--color-primary-dark); border-color:#fff; }

/* ---------- Footer ---------- */
.site-footer{ border-top:1px solid var(--color-border); padding: 52px 0 30px; background: var(--color-bg-alt); }
.footer-grid{ display:grid; gap: 32px; grid-template-columns: 1.4fr 1fr 1fr 1fr; margin-bottom: 34px; }
.footer-col h4{ font-family: var(--font-display); font-size: .82rem; text-transform:uppercase; letter-spacing:.04em; margin-bottom: 14px; color: var(--color-text-muted); }
.footer-col a{ display:block; text-decoration:none; color: var(--color-text-muted); font-size:.92rem; padding: 6px 0; }
.footer-col a:hover{ color: var(--color-primary); }
.footer-bottom{
  border-top:1px solid var(--color-border); padding-top: 22px;
  display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap: 12px;
  font-size:.85rem; color: var(--color-text-muted);
}

@media (max-width: 860px){
  .steps, .feature-grid, .check-grid, .footer-grid{ grid-template-columns: 1fr; }
  .footer-grid{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px){
  .footer-grid{ grid-template-columns: 1fr; }
  .input-row{ flex-direction:column; align-items:stretch; }
  .input-row .yt-icon{ display:none; }
}

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

@media (prefers-reduced-motion: reduce){
  *{ animation-duration: .01ms !important; transition-duration: .01ms !important; scroll-behavior:auto !important; }
}