/* ===================== Tokens ===================== */
:root {
  --color-primary: #ec1d23;
  --color-primary-dark: #c11319;
  --color-primary-light: #fdeceb;
  --color-ink: #1a1d29;
  --color-ink-soft: #565c6d;
  --color-bg: #ffffff;
  --color-bg-soft: #f7f8fa;
  --color-border: #e6e8ec;
  --shadow-sm: 0 1px 2px rgba(20, 20, 30, 0.06);
  --shadow-md: 0 8px 24px rgba(20, 20, 30, 0.08);
  --shadow-lg: 0 20px 48px rgba(20, 20, 30, 0.12);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --header-h: 72px;
  /* Footer is always a dark band regardless of light/dark theme, so its
     colors are fixed and do not flip with --color-ink. */
  --footer-bg: #14161d;
  --footer-text: #d8dae0;
  --footer-text-soft: #8b8fa0;
  --footer-border: rgba(255, 255, 255, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --color-primary: #ff4b50;
    --color-primary-dark: #ff6b70;
    --color-primary-light: #2a1516;
    --color-ink: #f3f4f7;
    --color-ink-soft: #b5bac6;
    --color-bg: #14161f;
    --color-bg-soft: #1b1e29;
    --color-border: #2a2e3b;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); overflow-x: hidden; }

body {
  margin: 0;
  font-family: Tahoma, "Segoe UI", Arial, sans-serif;
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

.container {
  width: 100%;
  max-width: 1180px;
  margin-inline: auto;
  padding-inline: 24px;
}

.section-head {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-block-end: 44px;
}
.section-head h2 { font-size: clamp(1.6rem, 2.4vw, 2.1rem); font-weight: 800; }
.section-head p { margin-block-start: 10px; color: var(--color-ink-soft); font-size: 1.02rem; }

section { padding-block: 88px; }

/* ===================== Buttons ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: var(--radius-sm);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 12px 22px;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--color-primary); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--color-primary-dark); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--color-ink); border-color: var(--color-border); }
.btn-outline:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-ghost { background: transparent; color: var(--color-ink-soft); border-color: transparent; }
.btn-ghost:hover { color: var(--color-primary); }
.btn-sm { padding: 8px 14px; font-size: 0.85rem; }
.btn-lg { padding: 15px 30px; font-size: 1.02rem; }
.btn-block { width: 100%; }

/* ===================== Header ===================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: color-mix(in srgb, var(--color-bg) 92%, transparent);
  backdrop-filter: blur(10px);
  border-block-end: 1px solid var(--color-border);
}
.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand { display: flex; align-items: center; }
.brand-logo { height: 30px; width: auto; }
.brand-logo-dark { display: none; }
@media (prefers-color-scheme: dark) {
  .brand-logo-light { display: none; }
  .brand-logo-dark { display: block; }
}
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a { font-weight: 600; color: var(--color-ink-soft); font-size: 0.95rem; }
.main-nav a:hover { color: var(--color-primary); }
.nav-login-mobile { display: none; }
.header-actions { display: flex; align-items: center; gap: 10px; }

.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  cursor: pointer;
}
.mobile-menu-toggle span { display: block; height: 2px; width: 18px; margin-inline: auto; background: var(--color-ink); border-radius: 2px; transition: transform 0.2s ease, opacity 0.2s ease; }
.mobile-menu-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.mobile-menu-toggle.is-active span:nth-child(2) { opacity: 0; }
.mobile-menu-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===================== Hero ===================== */
.hero { padding-block-start: 64px; padding-block-end: 40px; background: linear-gradient(180deg, var(--color-bg-soft), var(--color-bg) 60%); }
.hero-inner { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.badge {
  display: inline-block;
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.82rem;
  padding: 6px 14px;
  border-radius: 999px;
  margin-block-end: 18px;
}
.hero-copy h1 { font-size: clamp(2rem, 3.4vw, 2.9rem); font-weight: 800; line-height: 1.35; }
.hero-subtitle { margin-block-start: 18px; font-size: 1.08rem; color: var(--color-ink-soft); max-width: 54ch; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 14px; margin-block-start: 30px; }
.hero-trust { display: flex; flex-wrap: wrap; gap: 12px 22px; margin-block-start: 34px; }
.hero-trust li { display: flex; align-items: center; gap: 8px; font-size: 0.88rem; color: var(--color-ink-soft); font-weight: 600; }
.hero-trust li::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--color-primary); flex-shrink: 0; }
.hero-media { position: relative; }
.hero-image { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); border: 1px solid var(--color-border); }

/* ===================== Services ===================== */
.service-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 26px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.service-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.service-icon {
  width: 52px; height: 52px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin-block-end: 18px;
}
.service-icon svg { width: 26px; height: 26px; }
.service-card h3 { font-size: 1.15rem; font-weight: 800; margin-block-end: 10px; }
.service-card > p { color: var(--color-ink-soft); font-size: 0.95rem; margin-block-end: 16px; }
.feature-list li { position: relative; padding-inline-start: 22px; font-size: 0.92rem; color: var(--color-ink-soft); margin-block-end: 9px; }
.feature-list li::before {
  content: "";
  position: absolute; inset-inline-start: 0; top: 8px;
  width: 8px; height: 8px; border-radius: 2px;
  background: var(--color-primary);
}

/* ===================== Screenshots ===================== */
.screenshots { background: var(--color-bg-soft); }
.screenshot-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.screenshot-card {
  margin: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.screenshot-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.screenshot-card img { aspect-ratio: 4 / 3; object-fit: cover; }
.screenshot-card figcaption { padding: 14px 16px; font-weight: 700; font-size: 0.92rem; text-align: center; }
.screenshot-note { text-align: center; color: var(--color-ink-soft); font-size: 0.82rem; margin-block-start: 26px; }

/* ===================== Why ===================== */
.why-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px 26px; }
.why-item { text-align: start; }
.why-icon {
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--color-primary-light);
  color: var(--color-primary);
  display: flex; align-items: center; justify-content: center;
  margin-block-end: 14px;
}
.why-icon svg { width: 22px; height: 22px; }
.why-item h4 { font-size: 1.02rem; font-weight: 800; margin-block-end: 8px; }
.why-item p { color: var(--color-ink-soft); font-size: 0.92rem; }

/* ===================== Pricing ===================== */
.pricing { background: var(--color-bg-soft); }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; align-items: stretch; }
.price-card {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.2s ease, transform 0.2s ease;
}
.price-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.price-card h3 { font-size: 1.1rem; font-weight: 800; }
.price-card-popular { border-color: var(--color-primary); box-shadow: 0 0 0 3px var(--color-primary-light); }
.popular-badge {
  position: absolute; top: -13px; inset-inline-start: 24px;
  background: var(--color-primary); color: #fff;
  font-size: 0.72rem; font-weight: 800;
  padding: 5px 12px; border-radius: 999px;
}
.price { display: flex; align-items: baseline; gap: 6px; margin-block: 14px 4px; }
.price .amount { font-size: 1.8rem; font-weight: 800; color: var(--color-primary); }
.price .period { font-size: 0.85rem; color: var(--color-ink-soft); font-weight: 600; }
.price-note { color: var(--color-ink-soft); font-size: 0.84rem; margin-block-end: 18px; }
.price-card .feature-list { flex-grow: 1; margin-block-end: 22px; }
.pricing-note { text-align: center; color: var(--color-ink-soft); font-size: 0.85rem; margin-block-start: 30px; }

/* ===================== Trial ===================== */
.contact-request { background: var(--color-bg-soft); }
.trial-inner { max-width: 640px; }
.trial-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.form-row { display: flex; flex-direction: column; gap: 7px; }
.form-row label { font-size: 0.88rem; font-weight: 700; color: var(--color-ink-soft); }
.form-row input, .form-row textarea {
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-soft);
  color: var(--color-ink);
  font-size: 0.98rem;
  font-family: inherit;
  resize: vertical;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.form-row input:focus, .form-row textarea:focus { outline: none; border-color: var(--color-primary); background: var(--color-bg); }
.form-status { min-height: 1.4em; font-size: 0.9rem; font-weight: 700; text-align: center; margin: 0; }
.form-status-success { color: #1a8f4c; }
.form-status-error { color: var(--color-primary); }

/* ===================== Footer ===================== */
.site-footer { background: var(--footer-bg); color: var(--footer-text); padding-block-start: 56px; }
.footer-inner { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 32px; padding-block-end: 36px; }
.footer-brand { display: flex; flex-direction: column; align-items: flex-start; gap: 14px; }
.footer-logo { height: 34px; width: auto; }
.footer-brand p { color: var(--footer-text-soft); font-size: 0.9rem; }
.footer-nav, .footer-contact { display: flex; flex-direction: column; gap: 12px; }
.footer-nav a, .footer-contact a { color: var(--footer-text); font-size: 0.92rem; }
.footer-nav a:hover, .footer-contact a:hover { color: var(--color-primary); }
.footer-contact > span { color: var(--footer-text-soft); font-size: 0.82rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.03em; }
.footer-contact-item { display: flex; align-items: center; gap: 8px; }
.footer-contact-item svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--footer-text-soft); }
.footer-contact-item:hover svg { color: var(--color-primary); }
.footer-phone-text { direction: ltr; }
.footer-bottom {
  border-block-start: 1px solid var(--footer-border);
  padding-block: 20px;
  text-align: center;
  font-size: 0.82rem;
  color: var(--footer-text-soft);
}

/* ===================== Responsive ===================== */
@media (max-width: 980px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-media { order: -1; }
  .service-grid { grid-template-columns: repeat(2, 1fr); }
  .screenshot-grid { grid-template-columns: repeat(2, 1fr); }
  .why-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
  section { padding-block: 60px; }
  .main-nav {
    position: fixed;
    inset-inline-end: 0;
    top: var(--header-h);
    height: calc(100vh - var(--header-h));
    width: min(78vw, 320px);
    background: var(--color-bg);
    border-inline-start: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    padding: 24px;
    transform: translateX(100%);
    transition: transform 0.25s ease;
    box-shadow: var(--shadow-lg);
  }
  :root[dir="rtl"] .main-nav { transform: translateX(-100%); }
  .main-nav.is-open { transform: translateX(0); }
  .main-nav a { width: 100%; padding-block: 12px; border-block-end: 1px solid var(--color-border); font-size: 1rem; }
  .mobile-menu-toggle { display: flex; }
  .header-actions .btn-outline.btn-sm { display: none; }
  .nav-login-mobile { display: block; margin-block-start: 10px; }
  .service-grid, .screenshot-grid, .why-grid, .pricing-grid { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr; text-align: center; }
  .footer-nav, .footer-contact, .footer-brand { align-items: center; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .trial-form { padding: 26px 20px; }
}