/* WinMerge home - premium SaaS landing */
:root {
  --bg: #0B0F19;
  --bg-elevated: #111827;
  --bg-card: rgba(17, 24, 39, 0.72);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #F8FAFC;
  --muted: #94A3B8;
  --muted-2: #64748B;
  --accent: #FF7A00;
  --accent-2: #FF9A3D;
  --accent-deep: #E86A00;
  --glow: rgba(255, 122, 0, 0.45);
  --radius: 20px;
  --radius-sm: 14px;
  --radius-lg: 24px;
  --font: "Inter", "Manrope", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --nav-h: 72px;
  --nav-mobile-h: 48px;
  --nav-offset: calc(var(--nav-h) + var(--nav-mobile-h));
  --max: 1120px;
}

@media (min-width: 960px) {
  :root {
    --nav-mobile-h: 0px;
    --nav-offset: var(--nav-h);
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #070A12; }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--accent), #7c3a00);
  border-radius: 999px;
  border: 2px solid #070A12;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; padding: 0; margin: 0; }

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--accent);
  color: #111;
  padding: 0.75rem 1rem;
  z-index: 100;
  border-radius: 8px;
}
.skip-link:focus { left: 1rem; top: 1rem; }

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* Nav */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  height: var(--nav-offset);
  display: flex;
  flex-direction: column;
  overflow: visible;
  transition: background 300ms var(--ease), border-color 300ms var(--ease), backdrop-filter 300ms var(--ease);
  border-bottom: 1px solid transparent;
  background: rgba(11, 15, 25, 0.55);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
}
.nav.is-scrolled {
  background: rgba(11, 15, 25, 0.82);
  border-bottom-color: var(--border);
}
.nav__inner {
  flex: 0 0 var(--nav-h);
  height: var(--nav-h);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
  overflow: visible;
  position: relative;
  z-index: 2;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  justify-self: start;
  line-height: 1;
  white-space: nowrap;
  position: relative;
  z-index: 1;
}
.brand span { font-size: 1.05rem; }
.brand img {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 10px;
  box-shadow: 0 0 0 1px var(--border), 0 8px 24px rgba(0,0,0,.35);
}
.nav__links {
  display: none;
  align-items: center;
  gap: 0.15rem;
  justify-self: center;
}
.nav__links a {
  padding: 0.5rem 0.85rem;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  transition: color 300ms, background 300ms;
}
.nav__links a:hover,
.nav__links a.is-active {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}
.nav__cta {
  justify-self: end;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  position: relative;
  z-index: 70;
  overflow: visible;
}

/* Language switcher dropdown */
.lang-switch {
  position: relative;
  z-index: 80;
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
}
.lang-switch__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 2.35rem;
  padding: 0.45rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1;
  white-space: nowrap;
  transition: color 250ms, border-color 250ms, background 250ms;
}
.lang-switch__btn:hover,
.lang-switch.is-open .lang-switch__btn {
  color: var(--text);
  border-color: rgba(255,122,0,0.45);
  background: rgba(255,122,0,0.1);
}
.lang-switch__btn svg {
  width: 12px;
  height: 12px;
  opacity: 0.75;
  flex-shrink: 0;
  transition: transform 250ms var(--ease);
}
.lang-switch.is-open .lang-switch__btn svg { transform: rotate(180deg); }
.lang-switch__menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  min-width: 12rem;
  margin: 0;
  padding: 0.4rem;
  list-style: none;
  border-radius: 14px;
  border: 1px solid var(--border-strong);
  background: rgba(11, 15, 25, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 18px 50px rgba(0,0,0,0.55);
  display: none;
  z-index: 90;
}
.lang-switch.is-open .lang-switch__menu { display: grid; gap: 0.15rem; }
.lang-switch__menu a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: 10px;
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0;
  transition: background 200ms, color 200ms;
}
.lang-switch__menu a:hover,
.lang-switch__menu a[aria-current="true"] {
  color: var(--text);
  background: rgba(255,255,255,0.06);
}
.lang-switch__menu a[aria-current="true"] {
  color: var(--accent-2);
}
.lang-switch__menu .lang-code {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--muted-2);
}
[dir="rtl"] .lang-switch__menu { right: auto; left: 0; }
.lang-switch--footer {
  margin-inline-start: auto;
}
.footer__bottom {
  align-items: center;
}
.footer__bottom .lang-switch__menu {
  top: auto;
  bottom: calc(100% + 0.45rem);
}
.nav__mobile {
  display: flex;
  flex: 0 0 var(--nav-mobile-h);
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  padding: 0 1rem 0.65rem;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.nav__mobile::-webkit-scrollbar { display: none; }
.nav__mobile a {
  flex: 0 0 auto;
  font-size: 0.75rem;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  color: var(--muted);
  border: 1px solid var(--border);
  line-height: 1.2;
  white-space: nowrap;
}
.nav__mobile a.is-active {
  color: #fff;
  border-color: rgba(255,122,0,0.4);
  background: rgba(255,122,0,0.12);
}

@media (min-width: 960px) {
  .nav__links { display: flex; }
  .nav__mobile { display: none; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 300ms var(--ease), box-shadow 300ms, background 300ms, border-color 300ms;
  position: relative;
  overflow: hidden;
}
.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #111;
  box-shadow: 0 10px 40px var(--glow), inset 0 1px 0 rgba(255,255,255,0.35);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 48px var(--glow);
}
.btn--ghost {
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  backdrop-filter: blur(8px);
}
.btn--ghost:hover {
  transform: translateY(-2px);
  border-color: rgba(255,122,0,0.5);
  background: rgba(255,122,0,0.08);
}
.btn--sm { padding: 0.65rem 1.1rem; font-size: 0.875rem; }

/* Hero */
.hero {
  position: relative;
  padding: calc(var(--nav-offset) + 3.5rem) 0 5rem;
  overflow: hidden;
  isolation: isolate;
}
.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 20%, #000 20%, transparent 75%);
}
.hero__noise {
  position: absolute;
  inset: 0;
  opacity: 0.035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  animation: blobFloat 12s ease-in-out infinite;
}
.blob--1 {
  width: 420px; height: 420px;
  top: -80px; left: -100px;
  background: rgba(255, 122, 0, 0.28);
}
.blob--2 {
  width: 380px; height: 380px;
  top: 10%; right: -80px;
  background: rgba(56, 189, 248, 0.12);
  animation-delay: -4s;
}
.blob--3 {
  width: 280px; height: 280px;
  bottom: 5%; left: 35%;
  background: rgba(168, 85, 247, 0.1);
  animation-delay: -7s;
}
@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -24px) scale(1.08); }
}

.hero__layout {
  display: grid;
  gap: 3rem;
  align-items: center;
}
@media (min-width: 980px) {
  .hero__layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 3.5rem;
  }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255,122,0,0.28);
  background: rgba(255,122,0,0.08);
  color: var(--accent-2);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 1.25rem;
}
.eyebrow__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
  animation: pulse 2s ease infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.45; }
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  line-height: 1.05;
  letter-spacing: -0.045em;
  font-weight: 750;
}
.hero h1 .grad {
  display: block;
  margin-top: 0.35rem;
  background: linear-gradient(105deg, #fff 10%, var(--accent-2) 55%, #fb923c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 180% 180%;
  animation: gradShift 8s ease infinite;
}
@keyframes gradShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero__lead {
  margin: 1.35rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  max-width: 34rem;
}
.hero__meta {
  margin: 0.85rem 0 0;
  color: var(--muted-2);
  font-size: 0.9rem;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin-top: 2rem;
}

.hero__visual {
  position: relative;
  perspective: 1200px;
}
.hero__glow {
  position: absolute;
  inset: 10% 5%;
  background: radial-gradient(circle, rgba(255,122,0,0.35), transparent 65%);
  filter: blur(40px);
  z-index: 0;
  animation: glowPulse 5s ease-in-out infinite;
}
@keyframes glowPulse {
  0%, 100% { opacity: 0.7; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.08); }
}
.hero__logo-wrap {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  margin-inline: auto;
  width: min(100%, 320px);
  animation: floatY 6s ease-in-out infinite;
}
.hero__logo {
  width: 100%;
  height: auto;
  max-width: 280px;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,0.45));
}
@keyframes floatY {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.scroll-hint {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-top: 3rem;
  color: var(--muted-2);
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.scroll-hint__mouse {
  width: 22px;
  height: 34px;
  border: 1.5px solid var(--border-strong);
  border-radius: 999px;
  position: relative;
}
.scroll-hint__mouse::after {
  content: "";
  position: absolute;
  top: 7px;
  left: 50%;
  width: 3px;
  height: 7px;
  border-radius: 999px;
  background: var(--accent);
  transform: translateX(-50%);
  animation: scrollDot 1.6s ease infinite;
}
@keyframes scrollDot {
  0% { opacity: 1; transform: translateX(-50%) translateY(0); }
  100% { opacity: 0; transform: translateX(-50%) translateY(10px); }
}

/* Sections */
.section {
  padding: 6rem 0;
  position: relative;
}
.section__head {
  max-width: 42rem;
  margin: 0 auto 3rem;
  text-align: center;
}
.section__eyebrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin: 0 0 0.9rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 122, 0, 0.28);
  background: rgba(255, 122, 0, 0.08);
}
.section h2,
.section__head h2,
.related .section__head h2 {
  margin: 0;
  font-size: clamp(1.9rem, 3.5vw, 2.75rem);
  font-weight: 750;
  letter-spacing: -0.04em;
  line-height: 1.15;
  background: linear-gradient(105deg, #ffffff 12%, var(--accent-2) 58%, #fb923c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 180% 180%;
  animation: gradShift 8s ease infinite;
}
.section__sub {
  margin: 0.95rem auto 0;
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 34rem;
  line-height: 1.65;
}
.section__head .btn {
  margin-top: 1.25rem;
}
.divider {
  height: 1px;
  border: 0;
  margin: 0;
  background: linear-gradient(90deg, transparent, rgba(255,122,0,0.45), transparent);
}

/* Reveal */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Feature cards */
.features-grid {
  display: grid;
  gap: 1.15rem;
  grid-template-columns: 1fr;
}
@media (min-width: 700px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .features-grid { grid-template-columns: repeat(3, 1fr); }
}
.feature-card {
  position: relative;
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(145deg, rgba(255,122,0,0.45), rgba(255,255,255,0.08), rgba(56,189,248,0.2));
  transition: transform 300ms var(--ease), box-shadow 300ms;
  text-decoration: none;
  display: block;
}
.feature-card::after {
  content: "";
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(255,122,0,0.28), transparent 45%);
  opacity: 0;
  transition: opacity 300ms;
  pointer-events: none;
  z-index: 0;
}
.feature-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 28px 70px rgba(255,122,0,0.22);
}
.feature-card:hover::after { opacity: 1; }
.feature-card__inner {
  position: relative;
  z-index: 1;
  height: 100%;
  border-radius: calc(var(--radius) - 1px);
  padding: 1.5rem;
  background: linear-gradient(180deg, rgba(17,24,39,0.95), rgba(11,15,25,0.98));
  transition: background 300ms;
}
.feature-card:hover .feature-card__inner {
  background: linear-gradient(180deg, rgba(28,36,54,0.98), rgba(11,15,25,0.98));
}
.feature-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: rgba(255,122,0,0.12);
  border: 1px solid rgba(255,122,0,0.25);
  color: var(--accent-2);
  margin-bottom: 1.1rem;
  transition: transform 300ms var(--ease), box-shadow 300ms, background 300ms;
}
.feature-card:hover .feature-card__icon {
  transform: translateY(-2px) scale(1.06);
  background: rgba(255,122,0,0.2);
  box-shadow: 0 10px 28px rgba(255,122,0,0.25);
}
.feature-card h3 {
  margin: 0;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  transition: color 300ms;
}
.feature-card:hover h3 { color: var(--accent-2); }
.feature-card p {
  margin: 0.65rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* Stats */
.stats {
  padding: 1rem 0 5rem;
}
.stats__grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(2, 1fr);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}
@media (min-width: 800px) {
  .stats__grid { grid-template-columns: repeat(4, 1fr); padding: 2rem; }
}
.stat {
  text-align: center;
  padding: 1rem;
}
.stat__value {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 750;
  letter-spacing: -0.04em;
  background: linear-gradient(180deg, #fff, var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat__label {
  margin-top: 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
}

/* Showcase */
.showcase {
  display: grid;
  gap: 5rem;
}
.showcase__row {
  display: grid;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 900px) {
  .showcase__row {
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
  }
  .showcase__row--reverse .showcase__copy { order: 2; }
  .showcase__row--reverse .showcase__media { order: 1; }
}
.showcase__copy h3 {
  margin: 0.5rem 0 0;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  letter-spacing: -0.03em;
}
.showcase__copy p {
  color: var(--muted);
  margin: 1rem 0 0;
}
.showcase__list {
  margin-top: 1.25rem;
  display: grid;
  gap: 0.65rem;
}
.showcase__list li {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
  color: var(--muted);
  font-size: 0.95rem;
}
.showcase__list svg {
  flex: 0 0 auto;
  color: var(--accent);
  margin-top: 0.15rem;
}
.media-card {
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(160deg, rgba(255,122,0,0.4), rgba(255,255,255,0.06));
  transition: transform 300ms var(--ease);
}
.media-card:hover { transform: translateY(-4px) scale(1.01); }
.media-card__inner {
  border-radius: calc(var(--radius) - 1px);
  overflow: hidden;
  background: #0a0e16;
  border: 1px solid var(--border);
}
.media-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: top;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  gap: 1.15rem;
}
@media (min-width: 800px) {
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}
.t-card {
  border-radius: var(--radius);
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  transition: transform 300ms, border-color 300ms, box-shadow 300ms;
}
.t-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,122,0,0.35);
  box-shadow: 0 20px 50px rgba(0,0,0,0.35);
}
.t-card__stars { color: var(--accent-2); letter-spacing: 0.08em; font-size: 0.85rem; }
.t-card p {
  margin: 1rem 0;
  color: #e2e8f0;
  font-size: 0.95rem;
}
.t-card__author {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: #111;
  background: linear-gradient(135deg, var(--accent), #fbbf24);
}
.t-card__author strong { display: block; font-size: 0.9rem; }
.t-card__author span { color: var(--muted-2); font-size: 0.78rem; }

/* FAQ */
.faq {
  max-width: 760px;
  margin: 0 auto;
}
.faq-item {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  margin-bottom: 0.75rem;
  overflow: hidden;
  transition: border-color 300ms, transform 300ms, box-shadow 300ms;
}
.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(0,0,0,0.25);
}
.faq-item.is-open {
  border-color: rgba(255,122,0,0.35);
  box-shadow: 0 18px 44px rgba(255,122,0,0.12);
}
.faq-item__btn {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 1.15rem 1.25rem;
  text-align: left;
  font-weight: 600;
  font-size: 1rem;
}
.faq-item__icon {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: rgba(255,122,0,0.12);
  color: var(--accent-2);
  transition: transform 300ms;
  flex: 0 0 auto;
}
.faq-item.is-open .faq-item__icon { transform: rotate(45deg); }
.faq-item__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 350ms var(--ease), opacity 300ms;
  opacity: 0;
}
.faq-item.is-open .faq-item__panel {
  max-height: 240px;
  opacity: 1;
}
.faq-item__panel p {
  margin: 0;
  padding: 0 1.25rem 1.25rem;
  color: var(--muted);
  font-size: 0.95rem;
}

/* CTA band */
.cta-band {
  padding: 2rem 0 5rem;
}
.cta-glass {
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  background: linear-gradient(135deg, rgba(255,122,0,0.16), rgba(255,255,255,0.03));
  border: 1px solid rgba(255,122,0,0.25);
  backdrop-filter: blur(18px);
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  align-items: center;
  justify-content: space-between;
  box-shadow: 0 30px 80px rgba(255,122,0,0.12);
}
.cta-glass h2 {
  margin: 0;
  font-size: clamp(1.5rem, 3vw, 2rem);
  letter-spacing: -0.03em;
}
.cta-glass p {
  margin: 0.5rem 0 0;
  color: var(--muted);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border);
  padding: 4rem 0 2rem;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.35));
}
.footer__grid {
  display: grid;
  gap: 2.5rem;
}
@media (min-width: 800px) {
  .footer__grid {
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
  }
}
.footer__brand p {
  color: var(--muted);
  margin: 1rem 0 0;
  max-width: 18rem;
  font-size: 0.92rem;
}
.footer h3 {
  margin: 0 0 1rem;
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted-2);
}
.footer__links {
  display: grid;
  gap: 0.65rem;
}
.footer__links a {
  color: var(--muted);
  font-size: 0.92rem;
  transition: color 300ms;
}
.footer__links a:hover { color: var(--accent-2); }
.social {
  display: flex;
  gap: 0.65rem;
  margin-top: 1.25rem;
}
.social button,
.social a {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--muted);
  transition: 300ms var(--ease);
}
.social button:hover,
.social a:hover {
  color: var(--accent-2);
  border-color: rgba(255,122,0,0.4);
  transform: translateY(-2px);
}
.footer__bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  color: var(--muted-2);
  font-size: 0.82rem;
}

/* Floating download */
.fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #111;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: 0 16px 40px var(--glow);
  transition: transform 300ms var(--ease);
}
.fab:hover { transform: translateY(-3px) scale(1.03); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  background: rgba(5, 8, 14, 0.88);
  backdrop-filter: blur(10px);
}
.lightbox.is-open { display: flex; }
.lightbox__close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #fff;
  color: #111;
  font-weight: 800;
  font-size: 1.1rem;
}
.lightbox img {
  max-width: min(95vw, 1100px);
  max-height: 88vh;
  border-radius: 16px;
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}

.related {
  padding: 3rem 0 5rem;
}
.related ul {
  display: grid;
  gap: 0.75rem;
}
@media (min-width: 700px) {
  .related ul { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1000px) {
  .related ul { grid-template-columns: repeat(3, 1fr); }
}
.related a {
  display: block;
  padding: 1rem 1.15rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 600;
  transition: 300ms;
}
.related a:hover {
  color: var(--accent-2);
  border-color: rgba(255,122,0,0.35);
  transform: translateY(-2px);
}

.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 640px;
  font-size: 0.9rem;
}
.compare-table th,
.compare-table td {
  padding: 0.95rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}
.compare-table th {
  background: rgba(255,122,0,0.08);
  color: var(--text);
  font-weight: 650;
}
.compare-table td { color: var(--muted); }
.compare-table .hl { color: var(--accent-2); font-weight: 700; }
.compare-table tr:last-child td { border-bottom: 0; }

.trust-grid {
  display: grid;
  gap: 1rem;
}
@media (min-width: 800px) {
  .trust-grid { grid-template-columns: repeat(3, 1fr); }
}
.trust-card {
  padding: 1.4rem;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  transition: transform 300ms var(--ease), border-color 300ms, box-shadow 300ms, background 300ms;
}
.trust-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,122,0,0.35);
  background: rgba(255,122,0,0.06);
  box-shadow: 0 20px 48px rgba(255,122,0,0.12);
}
.trust-card h3 {
  margin: 0;
  color: var(--accent-2);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.trust-card p {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

/* ===== Inner pages shared chrome ===== */
.page-hero {
  position: relative;
  padding: calc(var(--nav-offset) + 3rem) 0 3.5rem;
  overflow: hidden;
  isolation: isolate;
  text-align: center;
}
/* Breadcrumbs already clear the fixed nav; don't double-pad the hero */
.crumbs + main > .page-hero:first-child,
.crumbs + .page-hero {
  padding-top: 2.75rem;
}
.page-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: -1;
}
.page-hero .eyebrow { margin-bottom: 1rem; }
.page-hero h1 {
  margin: 0 auto;
  max-width: 18ch;
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 750;
  letter-spacing: -0.045em;
  line-height: 1.08;
}
.page-hero h1 .grad {
  display: block;
  margin-top: 0.3rem;
  background: linear-gradient(105deg, #fff 10%, var(--accent-2) 55%, #fb923c 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 180% 180%;
  animation: gradShift 8s ease infinite;
}
.page-hero__lead {
  margin: 1.1rem auto 0;
  max-width: 40rem;
  color: var(--muted);
  font-size: 1.05rem;
}
.page-hero__meta {
  margin: 1.25rem auto 0;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}
.meta-pill {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: rgba(255,255,255,0.04);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-2);
}
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.75rem;
}
.chip {
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 600;
  transition: 300ms var(--ease);
}
.chip:hover {
  color: #fff;
  border-color: rgba(255,122,0,0.45);
  background: rgba(255,122,0,0.12);
  transform: translateY(-2px);
}
.crumbs {
  position: relative;
  z-index: 1;
  margin: 0;
  padding-top: var(--nav-offset);
  border-bottom: 1px solid var(--border);
  background: rgba(255,255,255,0.02);
}
.crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  padding: 0.85rem 0;
  margin: 0;
  list-style: none;
  font-size: 0.8rem;
  color: var(--muted-2);
}
.crumbs a { color: var(--muted); transition: color 300ms; }
.crumbs a:hover { color: var(--accent-2); }
.crumbs [aria-current="page"] { color: var(--text); font-weight: 600; }

.dl-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: 1fr;
}
@media (min-width: 720px) {
  .dl-grid { grid-template-columns: repeat(2, 1fr); }
}
.dl-card {
  border-radius: var(--radius);
  padding: 1px;
  background: linear-gradient(145deg, rgba(255,122,0,0.4), rgba(255,255,255,0.08));
  transition: transform 300ms var(--ease), box-shadow 300ms;
}
.dl-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 22px 50px rgba(255,122,0,0.16);
}
.dl-card__inner {
  height: 100%;
  border-radius: calc(var(--radius) - 1px);
  padding: 1.35rem 1.4rem;
  background: linear-gradient(180deg, rgba(17,24,39,0.96), rgba(11,15,25,0.98));
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.dl-card__tag {
  align-self: flex-start;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-2);
}
.dl-card h3 {
  margin: 0;
  font-size: 1rem;
  letter-spacing: -0.02em;
  word-break: break-word;
}
.dl-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  flex: 1;
}
.guide-block {
  border-radius: var(--radius);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  padding: 1.5rem;
  margin-bottom: 1.25rem;
  transition: border-color 300ms, transform 300ms, box-shadow 300ms;
}
.guide-block:hover {
  border-color: rgba(255,122,0,0.3);
  transform: translateY(-3px);
  box-shadow: 0 18px 40px rgba(0,0,0,0.25);
}
.guide-block h2 {
  margin: 0.35rem 0 0;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
}
.steps {
  margin: 1rem 0 0;
  padding: 0;
  counter-reset: step;
  display: grid;
  gap: 0.65rem;
}
.steps li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 0.75rem;
  align-items: start;
  color: var(--muted);
  font-size: 0.95rem;
}
.steps li::before {
  content: counter(step);
  width: 28px;
  height: 28px;
  border-radius: 9px;
  display: grid;
  place-items: center;
  background: rgba(255,122,0,0.15);
  color: var(--accent-2);
  font-size: 0.8rem;
  font-weight: 700;
}
.warn-box {
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,122,0,0.3);
  background: rgba(255,122,0,0.08);
  padding: 1.25rem 1.4rem;
  margin-top: 1rem;
}
.prose-link {
  color: var(--accent-2);
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color 300ms;
}
.prose-link:hover { border-bottom-color: var(--accent-2); }
.mini-grid {
  display: grid;
  gap: 0.85rem;
}
@media (min-width: 700px) {
  .mini-grid.cols-2 { grid-template-columns: repeat(2, 1fr); }
  .mini-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
}
.content-card {
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  padding: 1.15rem 1.25rem;
  transition: 300ms var(--ease);
}
.content-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255,122,0,0.35);
  box-shadow: 0 16px 40px rgba(255,122,0,0.1);
}
.content-card h3 {
  margin: 0;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.content-card p {
  margin: 0.55rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.faq-page .faq { max-width: 820px; }
.faq-group-title {
  margin: 2.5rem 0 0.85rem;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-2);
  font-weight: 700;
  text-align: left;
}
.two-col {
  display: grid;
  gap: 2rem;
  align-items: center;
}
@media (min-width: 900px) {
  .two-col { grid-template-columns: 1fr 1fr; gap: 3rem; }
  .two-col.reverse > :first-child { order: 2; }
}

.pair-with-logo {
  display: grid;
  gap: 1.15rem;
  align-items: center;
  grid-template-columns: 1fr;
}
@media (min-width: 900px) {
  .pair-with-logo {
    grid-template-columns: 1fr auto 1fr;
    gap: 1.5rem;
  }
}
.pair-with-logo__mark {
  display: grid;
  place-items: center;
  justify-self: center;
  width: 140px;
  height: 140px;
  position: relative;
}
.pair-with-logo__mark::before {
  content: "";
  position: absolute;
  inset: -12%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,122,0,0.28), transparent 68%);
  filter: blur(8px);
  z-index: 0;
  animation: glowPulse 5s ease-in-out infinite;
}
.pair-with-logo__img {
  position: relative;
  z-index: 1;
  width: 110px;
  height: auto;
  filter: drop-shadow(0 16px 36px rgba(0,0,0,0.45));
  animation: floatY 6s ease-in-out infinite;
}

/* Locale tweaks */
html[lang="zh-CN"] .nav__links a,
html[lang="zh-CN"] .nav__mobile a,
html[lang="zh-CN"] .lang-switch__btn {
  letter-spacing: 0.08em;
}
html[lang="zh-CN"] .brand span {
  letter-spacing: 0.04em;
}
html[lang="ru"] .btn,
html[lang="ru"] .fab,
html[lang="ru"] .chip {
  padding-inline: 1.55rem;
}
html[lang="ru"] .btn--sm {
  padding: 0.72rem 1.35rem;
}
html[lang="ru"] .nav__links a {
  padding-inline: 0.95rem;
}

/* Arabic RTL */
[dir="rtl"] body { direction: rtl; }
[dir="rtl"] .nav__inner {
  direction: rtl;
}
[dir="rtl"] .brand { justify-self: start; }
[dir="rtl"] .nav__cta { justify-self: end; }
[dir="rtl"] .hero__layout,
[dir="rtl"] .two-col,
[dir="rtl"] .footer__grid,
[dir="rtl"] .cta-glass {
  direction: rtl;
}
[dir="rtl"] .section__sub,
[dir="rtl"] .page-hero__lead,
[dir="rtl"] .hero__lead {
  text-align: right;
}
[dir="rtl"] .page-hero,
[dir="rtl"] .section__head {
  text-align: center;
}
[dir="rtl"] .faq-group-title,
[dir="rtl"] .faq-item__btn,
[dir="rtl"] .faq-item__panel,
[dir="rtl"] .crumbs ol,
[dir="rtl"] .showcase__list,
[dir="rtl"] .steps {
  text-align: right;
}
[dir="rtl"] .faq-item__btn {
  flex-direction: row-reverse;
}
[dir="rtl"] .fab {
  right: auto;
  left: 1.25rem;
}
[dir="rtl"] .lightbox__close {
  right: auto;
  left: 1.25rem;
}
[dir="rtl"] .two-col.reverse > :first-child { order: 0; }
@media (min-width: 900px) {
  [dir="rtl"] .two-col.reverse > :first-child { order: 1; }
  [dir="rtl"] .two-col.reverse > :last-child { order: 2; }
}