/* =====================================================
   DouyinSaver — style.css
   Color Scheme: Purple → Blue → Emerald (unique, premium)
   ===================================================== */

/* ── Reset & Base ─────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #06080f;
  --card:     #0d1020;
  --card2:    #111526;
  --border:   #1a2040;
  --accent:   #7c3aed;        /* purple */
  --accent2:  #06d6a0;        /* emerald */
  --accent3:  #3b82f6;        /* electric blue */
  --text:     #eef0f8;
  --muted:    #5a6080;
  --muted2:   #8890b0;
  --green:    #06d6a0;
  --radius:   16px;
  --radius-sm:10px;
  --shadow:   0 8px 40px rgba(0,0,0,.6);
  --font:     'Segoe UI', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
ul { list-style: none; }
.hidden { display: none !important; }

/* ── Container ────────────────────────────────────── */
.container {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

.ic { font-style: normal; }

/* ── Background Blobs ─────────────────────────────── */
.blobs {
  position: fixed; inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(100px);
  opacity: .12;
  animation: drift 20s ease-in-out infinite;
}
.b1 { width: 650px; height: 650px; background: var(--accent);  top: -200px; left: -180px; animation-delay: 0s; }
.b2 { width: 500px; height: 500px; background: var(--accent2); bottom: -120px; right: -120px; animation-delay: -7s; }
.b3 { width: 400px; height: 400px; background: var(--accent3); top: 45%; left: 40%; animation-delay: -14s; }

@keyframes drift {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(35px, -25px) scale(1.06); }
  66%       { transform: translate(-25px, 35px) scale(.94); }
}

/* ── Header ───────────────────────────────────────── */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 16px 0;
  transition: background .3s, border-color .3s;
}
.header.scrolled {
  background: rgba(6, 8, 15, .93);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

.nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 36px; height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 18px rgba(124,58,237,.45);
}
.logo-icon-sm { width: 28px; height: 28px; font-size: 14px; border-radius: 7px; }
.logo-text { font-size: 1.15rem; font-weight: 800; letter-spacing: -.02em; }
.logo-hl { color: var(--accent2); }

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}
.nav-links a {
  color: var(--muted2);
  font-size: .9rem;
  font-weight: 500;
  transition: color .2s;
}
.nav-links a:hover { color: var(--text); }

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  margin-left: auto;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform .25s, opacity .25s;
}
.hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Hero ─────────────────────────────────────────── */
.hero {
  position: relative;
  z-index: 1;
  padding: 140px 0 80px;
  text-align: center;
}
.hero-inner { display: flex; flex-direction: column; align-items: center; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.28);
  border-radius: 100px;
  padding: 6px 16px;
  font-size: .8rem;
  font-weight: 600;
  color: #a78bfa;
  margin-bottom: 24px;
}
.badge-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent2);
  box-shadow: 0 0 6px var(--accent2);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 6px var(--accent2); }
  50%       { box-shadow: 0 0 16px var(--accent2); }
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.4rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -.03em;
  margin-bottom: 18px;
}
.grad {
  background: linear-gradient(90deg, var(--accent), var(--accent3), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-sub {
  font-size: 1.05rem;
  color: var(--muted2);
  max-width: 500px;
  margin-bottom: 40px;
}

/* ── Downloader Card ──────────────────────────────── */
.dl-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  width: 100%;
  max-width: 680px;
  box-shadow: var(--shadow);
  text-align: left;
}

.dl-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: nowrap;
}
.dl-label {
  font-size: .78rem;
  font-weight: 700;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: .07em;
  white-space: nowrap;
}
.dl-hint  {
  font-size: .76rem;
  color: var(--muted);
  white-space: nowrap;
  text-align: right;
}
@media (max-width: 380px) {
  .dl-hint { display: none; }
}

.dl-form { display: flex; flex-direction: column; gap: 12px; }

.input-wrap {
  display: flex;
  gap: 8px;
  background: rgba(255,255,255,.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 4px 4px 4px 14px;
  transition: border-color .2s;
}
.input-wrap:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(124,58,237,.15);
}

.input-wrap input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-size: .97rem;
  padding: 10px 0;
  outline: none;
  min-width: 0;
}
.input-wrap input::placeholder { color: var(--muted); }

.btn-paste {
  background: rgba(255,255,255,.06);
  border: none;
  border-radius: 8px;
  color: var(--muted2);
  cursor: pointer;
  font-size: .8rem;
  font-weight: 600;
  padding: 8px 14px;
  transition: background .2s, color .2s;
  flex-shrink: 0;
}
.btn-paste:hover { background: rgba(124,58,237,.2); color: var(--text); }

/* Main download button — purple → blue gradient */
.btn-download {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent3) 100%);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  cursor: pointer;
  font-size: 1.02rem;
  font-weight: 700;
  padding: 15px 24px;
  width: 100%;
  transition: opacity .2s, transform .15s;
  box-shadow: 0 4px 24px rgba(124,58,237,.4);
}
.btn-download:hover  { opacity: .88; transform: translateY(-1px); }
.btn-download:active { transform: translateY(0); }
.btn-download:disabled { opacity: .4; cursor: not-allowed; transform: none; }

.spin {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: sp .65s linear infinite;
  vertical-align: middle;
  margin-right: 6px;
}
@keyframes sp { to { transform: rotate(360deg); } }

/* Error box */
.error-box {
  background: rgba(124,58,237,.07);
  border: 1px solid rgba(124,58,237,.25);
  border-radius: var(--radius-sm);
  color: #c4b5fd;
  font-size: .87rem;
  line-height: 1.6;
  padding: 14px;
  margin-top: 4px;
}
.error-box .tip {
  margin-top: 10px;
  background: rgba(6,214,160,.07);
  border: 1px solid rgba(6,214,160,.2);
  border-radius: 8px;
  color: #6ee7c7;
  font-size: .8rem;
  padding: 10px 12px;
}

/* Result box */
.result-box {
  border-top: 1px solid var(--border);
  margin-top: 20px;
  padding-top: 20px;
}
.result-inner {
  display: flex;
  gap: 16px;
}
.result-thumb {
  width: 100px;
  min-height: 130px;
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255,255,255,.04);
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.result-thumb img { width: 100%; height: 100%; object-fit: cover; }
.thumb-ph { font-size: 2.4rem; }

.result-info { flex: 1; min-width: 0; }
.result-title {
  font-size: .97rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 4px;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
}
/* Author in emerald green */
.result-author { color: var(--accent2); font-size: .8rem; font-weight: 600; margin-bottom: 10px; }

.result-stats { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.stat-pill {
  background: rgba(124,58,237,.08);
  border: 1px solid rgba(124,58,237,.2);
  border-radius: 20px;
  color: var(--muted2);
  font-size: .73rem;
  padding: 3px 10px;
}
.stat-pill b { color: var(--accent2); }

.result-btns { display: flex; flex-direction: column; gap: 8px; }
.btn-save {
  border-radius: 9px;
  color: var(--text);
  font-size: .84rem;
  font-weight: 600;
  padding: 11px 14px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: opacity .18s, transform .15s;
  border: 1px solid var(--border);
}
.btn-save:hover { opacity: .82; transform: translateY(-1px); }

/* Primary save — purple → blue gradient */
.btn-save-p {
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  border-color: transparent;
  color: #fff;
  box-shadow: 0 3px 16px rgba(124,58,237,.35);
}
/* Secondary save — emerald outline */
.btn-save-s {
  border-color: var(--accent2);
  color: var(--accent2);
  background: rgba(6,214,160,.06);
}
.btn-save-g { background: rgba(255,255,255,.03); color: var(--muted2); }

/* Trust row */
.trust-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 28px;
}
.trust {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted2);
  font-size: .82rem;
  font-weight: 500;
}
.trust span { font-size: 1rem; }

/* ── Sections ─────────────────────────────────────── */
.section { position: relative; z-index: 1; padding: 90px 0; }
.section-tag {
  display: inline-block;
  background: rgba(124,58,237,.12);
  border-radius: 100px;
  color: #a78bfa;
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .1em;
  padding: 5px 14px;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -.02em;
}
.section-sub {
  color: var(--muted2);
  font-size: .97rem;
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 48px;
}

/* ── Features Section ─────────────────────────────── */
.features-section { background: rgba(255,255,255,.015); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 20px;
}
.feature-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  transition: border-color .2s, box-shadow .2s;
}
.feature-card:hover {
  border-color: rgba(124,58,237,.4);
  box-shadow: 0 4px 28px rgba(124,58,237,.1);
}
.feature-icon { font-size: 2rem; margin-bottom: 14px; }
.feature-card h3 { font-size: 1rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p  { color: var(--muted2); font-size: .87rem; line-height: 1.65; }

/* ── Info / About Section ─────────────────────────── */
.info-section { padding: 90px 0; }
.info-grid {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 48px;
  align-items: start;
}
.info-text p { color: var(--muted2); font-size: .95rem; line-height: 1.8; }
.info-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.info-stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 20px 16px;
  text-align: center;
}
.info-stat-num {
  font-size: 1.8rem;
  font-weight: 900;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
  margin-bottom: 6px;
}
.info-stat-label { font-size: .75rem; color: var(--muted2); line-height: 1.4; }

/* ── Formats Section ──────────────────────────────── */
.formats-section { background: rgba(255,255,255,.015); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.formats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
@media (max-width: 640px) {
  .formats-grid { grid-template-columns: 1fr; }
}
.format-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  transition: border-color .2s, box-shadow .2s;
}
.format-card:hover { border-color: rgba(124,58,237,.4); }
.format-card-featured {
  border-color: rgba(124,58,237,.4);
  box-shadow: 0 0 40px rgba(124,58,237,.1);
}
.format-badge {
  display: inline-block;
  background: rgba(124,58,237,.15);
  border: 1px solid rgba(124,58,237,.3);
  border-radius: 100px;
  color: #a78bfa;
  font-size: .65rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 3px 10px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.format-badge-hot {
  background: rgba(6,214,160,.1);
  border-color: rgba(6,214,160,.3);
  color: var(--accent2);
}
.format-icon { font-size: 2rem; margin-bottom: 12px; }
.format-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.format-card p  { color: var(--muted2); font-size: .87rem; line-height: 1.6; margin-bottom: 16px; }
.format-list { list-style: none; display: flex; flex-direction: column; gap: 7px; }
.format-list li {
  color: var(--muted2);
  font-size: .82rem;
  padding-left: 18px;
  position: relative;
}
.format-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 7px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent2);
}

/* ── Use Cases Section ────────────────────────────── */
.usecases-section { padding: 90px 0; }
.usecases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
}
.usecase-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 22px;
  text-align: center;
  transition: border-color .2s, transform .2s;
}
.usecase-card:hover {
  border-color: rgba(6,214,160,.35);
  transform: translateY(-3px);
}
.usecase-icon { font-size: 2.4rem; margin-bottom: 14px; }
.usecase-card h3 { font-size: .97rem; font-weight: 700; margin-bottom: 10px; }
.usecase-card p  { color: var(--muted2); font-size: .85rem; line-height: 1.65; }

/* ── CTA Section ──────────────────────────────────── */
.cta-section { padding: 60px 0 90px; }
.cta-box {
  background: linear-gradient(135deg, rgba(124,58,237,.15) 0%, rgba(59,130,246,.15) 100%);
  border: 1px solid rgba(124,58,237,.3);
  border-radius: 24px;
  padding: 60px 40px;
  text-align: center;
}
.cta-inner h2 {
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-inner p {
  color: var(--muted2);
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: .97rem;
  line-height: 1.7;
}
.btn-cta {
  display: inline-block;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  padding: 16px 36px;
  text-decoration: none;
  transition: opacity .2s, transform .15s;
  box-shadow: 0 4px 24px rgba(124,58,237,.4);
}
.btn-cta:hover { opacity: .88; transform: translateY(-2px); }


/* ── How it works ─────────────────────────────────── */
.how-section { background: rgba(255,255,255,.015); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.steps { display: flex; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.step {
  flex: 1;
  min-width: 200px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 24px;
  position: relative;
  transition: border-color .2s, box-shadow .2s;
}
.step:hover {
  border-color: rgba(124,58,237,.4);
  box-shadow: 0 4px 24px rgba(124,58,237,.12);
}
.step-num {
  font-size: .7rem;
  font-weight: 900;
  color: var(--accent2);
  letter-spacing: .1em;
  margin-bottom: 14px;
}
.step-icon { font-size: 2rem; margin-bottom: 12px; }
.step h3 { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step p  { color: var(--muted2); font-size: .87rem; line-height: 1.6; }
.step-arrow { font-size: 1.5rem; color: var(--muted); align-self: center; flex-shrink: 0; }

/* ── FAQ ──────────────────────────────────────────── */
.faq-wrap { max-width: 720px; }
.faq-list { display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: border-color .2s;
}
.faq-item[open] { border-color: rgba(124,58,237,.4); }
.faq-item summary {
  cursor: pointer;
  font-weight: 600;
  font-size: .94rem;
  list-style: none;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.4rem;
  color: var(--accent2);
  flex-shrink: 0;
  margin-left: 12px;
  transition: transform .25s;
}
.faq-item[open] summary::after { content: '–'; }
.faq-item p {
  color: var(--muted2);
  font-size: .88rem;
  line-height: 1.7;
  padding: 0 20px 18px;
}

/* ── Footer ───────────────────────────────────────── */
.footer {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-brand p {
  color: var(--muted);
  font-size: .83rem;
  line-height: 1.7;
  margin-top: 12px;
  max-width: 280px;
}
.footer-col h4 {
  color: var(--text);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 8px; }
.footer-col ul li a {
  color: var(--muted);
  font-size: .83rem;
  transition: color .2s;
}
.footer-col ul li a:hover { color: var(--accent2); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-copy { color: var(--muted); font-size: .78rem; }
.footer-legal {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-legal a {
  color: var(--muted);
  font-size: .75rem;
  transition: color .2s;
}
.footer-legal a:hover { color: var(--accent2); }

/* ── Inner Page Styles ────────────────────────────── */
.page-hero {
  position: relative; z-index: 1;
  padding: 120px 0 50px;
  text-align: center;
}
.page-hero .page-tag {
  display: inline-block;
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.25);
  border-radius: 100px;
  color: #a78bfa;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  padding: 5px 14px;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.page-hero h1 {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 900;
  letter-spacing: -.03em;
  margin-bottom: 12px;
}
.page-hero p {
  color: var(--muted2);
  font-size: 1rem;
  max-width: 520px;
  margin: 0 auto;
}
.page-body {
  position: relative; z-index: 1;
  padding: 0 0 90px;
}
.page-content {
  max-width: 760px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px;
}
.page-content h2 {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 32px 0 12px;
  color: var(--text);
}
.page-content h2:first-child { margin-top: 0; }
.page-content p {
  color: var(--muted2);
  font-size: .92rem;
  line-height: 1.8;
  margin-bottom: 12px;
}
.page-content ul {
  list-style: disc;
  padding-left: 20px;
  color: var(--muted2);
  font-size: .92rem;
  line-height: 1.8;
  margin-bottom: 12px;
}
.page-content a { color: var(--accent2); }
.page-content a:hover { text-decoration: underline; }

/* ── Blog Cards ───────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
  max-width: 1000px;
}
.blog-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: border-color .2s, transform .2s;
  display: flex;
  flex-direction: column;
}
.blog-card:hover {
  border-color: rgba(124,58,237,.4);
  transform: translateY(-3px);
}
.blog-tag {
  display: inline-block;
  background: rgba(6,214,160,.1);
  border-radius: 100px;
  color: var(--accent2);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  padding: 3px 10px;
  text-transform: uppercase;
  margin-bottom: 12px;
  width: fit-content;
}
.blog-card h3 {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
}
.blog-card p {
  color: var(--muted2);
  font-size: .85rem;
  line-height: 1.65;
  flex: 1;
  margin-bottom: 18px;
}
.blog-card-meta {
  font-size: .75rem;
  color: var(--muted);
  display: flex;
  gap: 12px;
}
.blog-read-link {
  display: inline-block;
  color: var(--accent2);
  font-size: .82rem;
  font-weight: 600;
  margin-top: 14px;
}
.blog-read-link:hover { text-decoration: underline; }

/* ── Contact Form ─────────────────────────────────── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 900px;
  margin: 0 auto;
}
.contact-info h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.contact-info p  { color: var(--muted2); font-size: .9rem; line-height: 1.7; margin-bottom: 24px; }
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 20px;
}
.contact-item-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item-text h4 { font-size: .88rem; font-weight: 700; margin-bottom: 2px; }
.contact-item-text p  { color: var(--muted2); font-size: .82rem; margin: 0; }
.contact-item-text a  { color: var(--accent2); font-size: .82rem; }
.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.contact-form h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 20px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: .82rem; font-weight: 600; color: var(--muted2); margin-bottom: 6px; }
.form-group input,
.form-group textarea {
  width: 100%;
  background: rgba(255,255,255,.04);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: var(--font);
  font-size: .9rem;
  padding: 11px 14px;
  outline: none;
  transition: border-color .2s;
  resize: vertical;
}
.form-group input:focus,
.form-group textarea:focus { border-color: var(--accent); }
.form-group input::placeholder,
.form-group textarea::placeholder { color: var(--muted); }
.btn-submit {
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  border: none;
  border-radius: 9px;
  color: #fff;
  cursor: pointer;
  font-size: .95rem;
  font-weight: 700;
  padding: 13px 28px;
  width: 100%;
  transition: opacity .2s;
}
.btn-submit:hover { opacity: .88; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .page-content { padding: 28px 20px; }
}
@media (max-width: 480px) {
  .footer-grid { grid-template-columns: 1fr; }
  .blog-grid { grid-template-columns: 1fr; }
}


/* ── Back to top ──────────────────────────────────── */
.back-top {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 200;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  border: none;
  border-radius: 50%;
  color: #fff;
  cursor: pointer;
  font-size: 1.1rem;
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(124,58,237,.5);
  transition: opacity .2s, transform .2s;
}
.back-top:hover { transform: translateY(-2px); opacity: .9; }

/* ── Responsive ───────────────────────────────────── */
@media (max-width: 768px) {
  .nav-links { display: none; position: fixed; inset: 0; background: rgba(6,8,15,.97); flex-direction: column; align-items: center; justify-content: center; gap: 36px; font-size: 1.2rem; z-index: 99; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; z-index: 100; }
  .hero { padding: 110px 0 60px; }
  .step-arrow { display: none; }
  .steps { flex-direction: column; }
  .result-inner { flex-direction: column; }
  .result-thumb { width: 100%; min-height: 180px; }
  .result-btns { flex-direction: row; flex-wrap: wrap; }
  .btn-save { flex: 1; min-width: 130px; }
  .info-grid { grid-template-columns: 1fr; }
  .info-stats { grid-template-columns: 1fr 1fr; }
  .cta-box { padding: 40px 24px; }
  .features-grid { grid-template-columns: 1fr; }
  .usecases-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .dl-card { padding: 20px 16px; }
  .trust-row { gap: 12px; }
  .usecases-grid { grid-template-columns: 1fr; }
  .info-stats { grid-template-columns: 1fr 1fr; }
  .section { padding: 60px 0; }
}


/* ── Blog Article Pages ───────────────────────────── */
.page-content h2 {
  font-size: clamp(1.2rem, 3vw, 1.5rem);
  color: var(--text);
  margin: 2rem 0 .75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
}
.page-content h2:first-child { border-top: none; padding-top: 0; }
.page-content h3 {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: var(--accent2);
  margin: 1.5rem 0 .5rem;
}
.page-content p { margin-bottom: 1rem; line-height: 1.8; color: var(--muted2); }
.page-content ul, .page-content ol {
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}
.page-content li { margin-bottom: .4rem; line-height: 1.7; color: var(--muted2); }
.page-content strong { color: var(--text); font-weight: 600; }
.page-content a:not(.btn-primary) { color: var(--accent3); text-decoration: underline; }
.page-content a:not(.btn-primary):hover { color: var(--accent2); }

/* Article CTA box */
.article-cta {
  background: linear-gradient(135deg, rgba(124,58,237,.2), rgba(59,130,246,.18));
  border: 1px solid rgba(124,58,237,.5);
  border-radius: var(--radius);
  padding: 2.5rem 2rem;
  text-align: center;
  margin: 2.5rem 0;
  box-shadow: 0 4px 32px rgba(124,58,237,.15);
}
.article-cta h3 { color: var(--text); font-size: 1.4rem; margin-bottom: .6rem; border: none !important; padding: 0 !important; color: var(--accent2) !important; }
.article-cta p { color: var(--muted2); margin-bottom: 1.4rem; font-size: 1rem; }
.btn-primary,
.page-content .btn-primary,
.article-cta .btn-primary {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: linear-gradient(135deg, var(--accent), var(--accent3));
  color: #fff !important;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none !important;
  transition: opacity .2s, transform .2s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(124,58,237,.45);
  letter-spacing: .02em;
}
.btn-primary:hover,
.page-content .btn-primary:hover,
.article-cta .btn-primary:hover {
  opacity: .9;
  transform: translateY(-3px);
  color: #fff !important;
  box-shadow: 0 8px 30px rgba(124,58,237,.6);
}

/* FAQ article section */
.faq-article { margin-top: 1rem; }
.faq-article-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 1.2rem 1.4rem;
  margin-bottom: 1rem;
}
.faq-article-item h3 {
  font-size: 1rem;
  color: var(--text);
  margin-bottom: .4rem;
  margin-top: 0;
  padding-top: 0;
}
.faq-article-item p { margin-bottom: 0; font-size: .95rem; }