/* ============================================================
   OFFNET PRO — MAIN STYLES
   ============================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  scrollbar-gutter: stable;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }

/* ----------------------------------------------------------
   Typography Scale
   ---------------------------------------------------------- */
.display-xl {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.display-lg {
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 700;
  line-height: 1.12;
  letter-spacing: -0.025em;
}

.display-md {
  font-size: clamp(1.3rem, 2.5vw, 1.9rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: var(--gradient-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ----------------------------------------------------------
   Layout
   ---------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 3rem);
}

.container--narrow {
  max-width: 780px;
}

.section {
  padding-block: clamp(4rem, 8vw, 7rem);
  position: relative;
}

.section--alt {
  background: var(--bg-alt);
}

.section__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.section__eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 1px;
  background: var(--text-faint);
}

.section__title {
  margin-bottom: 1.1rem;
  color: var(--text);
}

.section__subtitle {
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  color: var(--text-muted);
  max-width: 620px;
  line-height: 1.7;
}

.section__header {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section__header--center {
  text-align: center;
}

.section__header--center .section__subtitle {
  margin-inline: auto;
}

.section__header--center .section__eyebrow {
  margin-inline: auto;
}

/* ----------------------------------------------------------
   Navigation
   ---------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid transparent;
  transition: background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.nav--scrolled {
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--border);
  box-shadow: 0 4px 20px rgba(0,0,0,0.35);
}

.nav__inner {
  display: flex;
  align-items: center;
  width: 100%;
  gap: 2rem;
}

.nav__brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 750;
  font-size: 1.25rem;
  letter-spacing: -0.025em;
  color: var(--text);
  flex-shrink: 0;
}

.nav__logo {
  width: 28px;
  height: 28px;
  color: var(--text);
}

.nav__wordmark {
  color: var(--text);
  font-weight: 750;
  letter-spacing: -0.025em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav__link {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.nav__link:hover { color: var(--text); }

.nav__actions {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.75rem;
  margin-left: auto;
}

.nav__btn-contact {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  padding: 0 0.85rem;
  box-sizing: border-box;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
  flex-shrink: 0;
  line-height: 1;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(238, 238, 245, 0.88);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-decoration: none;
  cursor: pointer;
  transition: color 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s, transform 0.15s ease;
}

.nav__btn-contact:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.16);
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.35);
}

.nav__btn-contact:active {
  transform: scale(0.97);
}

.nav__btn-download {
  height: 40px;
  padding: 0 1rem;
  box-sizing: border-box;
  font-size: 0.84rem;
  font-weight: 650;
  border-radius: 11px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
}

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  height: 40px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 11px;
  padding: 3px;
  gap: 2px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.lang-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0 0.65rem;
  border-radius: 8px;
  color: rgba(238, 238, 245, 0.75);
  transition: background 0.18s, color 0.18s, box-shadow 0.18s;
}

.lang-btn:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
}

.lang-btn.active {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.22);
  box-shadow: 0 1px 5px rgba(0, 0, 0, 0.40);
  font-weight: 700;
}

/* Theme toggle */
.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 11px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: rgba(238, 238, 245, 0.92);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: color 0.2s, background 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.theme-toggle:hover {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.35);
  background: rgba(255, 255, 255, 0.16);
}

.theme-toggle svg { width: 18px; height: 18px; }

/* Light theme overrides for switcher and toggle */
[data-theme="light"] .lang-switcher {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.14);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .lang-btn {
  color: rgba(10, 10, 20, 0.65);
}

[data-theme="light"] .lang-btn:hover {
  color: #0a0a14;
  background: rgba(0, 0, 0, 0.07);
}

[data-theme="light"] .lang-btn.active {
  color: #0a0a14;
  background: #ffffff;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.14);
}

[data-theme="light"] .theme-toggle {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.14);
  color: rgba(10, 10, 20, 0.88);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .theme-toggle:hover {
  color: #0a0a14;
  background: rgba(0, 0, 0, 0.10);
  border-color: rgba(0, 0, 0, 0.28);
}

[data-theme="light"] .nav__btn-contact {
  background: rgba(0, 0, 0, 0.05);
  border-color: rgba(0, 0, 0, 0.14);
  color: rgba(10, 10, 20, 0.88);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

[data-theme="light"] .nav__btn-contact:hover {
  color: #0a0a14;
  background: rgba(0, 0, 0, 0.10);
  border-color: rgba(0, 0, 0, 0.28);
}

/* Hide moon in dark, sun in light */
[data-theme="dark"]  .icon-sun  { display: none; }
[data-theme="dark"]  .icon-moon { display: block; }
[data-theme="light"] .icon-moon { display: none; }
[data-theme="light"] .icon-sun  { display: block; }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 8px;
  margin-left: auto;
}

.nav__hamburger span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--text-muted);
  border-radius: 2px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav__hamburger.open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* Mobile nav drawer */
.nav__mobile {
  display: none;
  flex-direction: column;
  padding: 1rem;
  border-top: 1px solid var(--border);
  background: var(--nav-bg);
  backdrop-filter: blur(20px);
  gap: 0.25rem;
}

.nav__mobile.open { display: flex; }

.nav__mobile-link {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.75rem 1rem;
  border-radius: 10px;
  transition: color 0.2s, background 0.2s;
}

.nav__mobile-link:hover { color: var(--text); background: var(--accent-dim); }

.nav__mobile-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0.5rem 0;
  border-top: 1px solid var(--border);
  margin-top: 0.5rem;
}

/* ----------------------------------------------------------
   Buttons
   ---------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease,
              box-shadow 0.2s ease, transform 0.15s ease;
  white-space: nowrap;
  text-decoration: none;
  letter-spacing: -0.01em;
}

.btn:active { transform: scale(0.97); }

/* Sizes */
.btn--sm  { font-size: 0.88rem;  padding: 0.54rem 1.15rem; border-radius: 10px; font-weight: 600; }
.btn--md  { font-size: 0.9rem;   padding: 0.6rem  1.2rem;  border-radius: 11px; }
.btn--lg  { font-size: 1rem;     padding: 0.85rem 1.75rem; border-radius: 13px; }
.btn--xl  { font-size: 1.08rem;   padding: 0.95rem 2.1rem;  border-radius: 14px; font-weight: 650; }

/* Variants */
.btn--primary {
  background: var(--accent);
  color: var(--bg);
  border: 1px solid var(--accent);
  box-shadow: 0 4px 22px rgba(255, 255, 255, 0.22);
}
.btn--primary:hover {
  opacity: 0.92;
  box-shadow: 0 6px 30px rgba(255, 255, 255, 0.38);
}
.btn__brand {
  color: #1d4ed8; /* Deep Royal Blue */
  font-weight: 750;
  letter-spacing: -0.01em;
}

[data-theme="light"] .btn__brand {
  color: #3b82f6; /* Bright deep blue for dark button */
}

.btn--ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn--ghost:hover {
  color: var(--text);
  border-color: var(--border-hover);
  background: var(--accent-dim);
}

.btn--outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-hover);
}
.btn--outline:hover {
  background: var(--accent-dim);
  border-color: var(--border-focus);
}

/* ----------------------------------------------------------
   Category Tag / Eyebrow Badge
   ---------------------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  padding: 0.28rem 0.75rem;
  border-radius: 6px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(238, 238, 245, 0.75);
  box-shadow: none;
  cursor: default;
  user-select: none;
  pointer-events: none;
  position: relative;
  z-index: 10;
}

[data-theme="light"] .badge {
  background: rgba(0, 0, 0, 0.04);
  border-color: rgba(0, 0, 0, 0.10);
  color: rgba(10, 10, 20, 0.65);
  box-shadow: none;
}

/* ----------------------------------------------------------
   HERO
   ---------------------------------------------------------- */
.hero {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  padding-top: calc(var(--nav-height, 60px) + 0.75rem);
  padding-bottom: 1rem;
  overflow: visible;
}

.hero__glow {
  display: none;
}

.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
  isolation: isolate;
  background: var(--hero-gradient);
}

.bg-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.035) 1px, transparent 0);
  background-size: 32px 32px;
  mask-image: radial-gradient(ellipse 90% 90% at 65% 50%, #000 25%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 90% 90% at 65% 50%, #000 25%, transparent 80%);
  z-index: 1;
  pointer-events: none;
}

[data-theme="light"] .bg-grid {
  background-image: radial-gradient(circle at 1px 1px, rgba(0, 0, 0, 0.04) 1px, transparent 0);
}

/* Ambient Glowing Orbs — hidden in favor of pure gradient */
.bg-orb {
  display: none !important;
}

.hero > .container {
  position: relative;
  z-index: 10;
}

.hero__content {
  position: relative;
  z-index: 10;
  max-width: 820px;
}

.hero__badge {
  margin-bottom: 0.75rem;
}

.hero__title {
  font-size: clamp(2.1rem, 3.8vw, 3.3rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1rem;
  max-width: 780px;
}

.hero__subtitle {
  font-size: clamp(1.05rem, 1.35vw, 1.2rem);
  color: rgba(238, 238, 245, 0.84);
  line-height: 1.62;
  max-width: 660px;
  margin-bottom: 1.6rem;
  font-weight: 400;
}

[data-theme="light"] .hero__subtitle {
  color: rgba(15, 23, 42, 0.82);
}

.hero__cta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.1rem;
  position: relative;
  z-index: 50;
}

.hero__meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  position: relative;
  z-index: 1;
}

.hero__version {
  font-size: 0.9rem;
  color: rgba(238, 238, 245, 0.68);
  font-weight: 500;
  letter-spacing: 0.03em;
}

[data-theme="light"] .hero__version {
  color: rgba(15, 23, 42, 0.65);
}

.hero__pilot-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: var(--border-hover);
  transition: color 0.2s;
}

.hero__pilot-link:hover { color: var(--text); }

/* Mockup */
.hero__mockup {
  position: relative;
  margin-top: clamp(3rem, 6vw, 5rem);
  max-width: 940px;
}

.hero__mockup-inner {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--border);
}

/* App chrome bar */
.mockup__bar {
  display: flex;
  align-items: center;
  height: 40px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding-inline: 1rem;
  gap: 6px;
}

.mockup__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-hover);
}

.mockup__bar-title {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text-faint);
  margin-left: 0.5rem;
  letter-spacing: 0.04em;
}

/* App body */
.mockup__body {
  display: grid;
  grid-template-columns: 200px 1fr;
  height: 360px;
}

.mockup__sidebar {
  border-right: 1px solid var(--border);
  background: var(--bg-alt);
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  overflow: hidden;
}

.mockup__sidebar-header {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  padding: 0 0.5rem 0.5rem;
}

.mockup__sidebar-item {
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 0.45rem 0.65rem;
  border-radius: 7px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: background 0.15s;
}

.mockup__sidebar-item.active {
  background: var(--accent-dim);
  color: var(--text);
}

.mockup__main {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  gap: 1.25rem;
}

.mockup__logo {
  width: 60px;
  color: var(--text-faint);
}

.mockup__prompt-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
}

.mockup__input-bar {
  width: 100%;
  max-width: 480px;
  height: 50px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  display: flex;
  align-items: center;
  padding-inline: 1rem;
  gap: 0.75rem;
}

.mockup__input-text {
  flex: 1;
  font-size: 0.78rem;
  color: var(--text-faint);
}

.mockup__input-btn {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent-dim);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mockup__chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.mockup__chip {
  font-size: 0.68rem;
  font-weight: 500;
  color: var(--text-faint);
  border: 1px solid var(--border);
  border-radius: 100px;
  padding: 0.3rem 0.7rem;
}

/* ----------------------------------------------------------
   Download Dropdown
   ---------------------------------------------------------- */
.download-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  position: relative;
}

.dropdown {
  position: relative;
  z-index: 50;
}

.dropdown #dropdownToggle {
  background: #0d101a;
  color: #f1f1f8;
  border: 1px solid rgba(255, 255, 255, 0.20);
  box-shadow: 0 4px 18px rgba(0, 0, 0, 0.40);
  position: relative;
  z-index: 20;
  transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease, transform 0.15s ease, box-shadow 0.2s ease;
}

.dropdown #dropdownToggle:hover {
  background: #141928;
  border-color: rgba(255, 255, 255, 0.35);
  color: #ffffff;
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.50);
}

[data-theme="light"] .dropdown #dropdownToggle {
  background: #f8fafc;
  color: #0f172a;
  border: 1px solid rgba(0, 0, 0, 0.14);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

[data-theme="light"] .dropdown #dropdownToggle:hover {
  background: #ffffff;
  border-color: rgba(0, 0, 0, 0.25);
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  background: #0d101a;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 14px;
  box-shadow: 0 20px 56px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.08);
  padding: 0.5rem;
  min-width: 225px;
  width: max-content;
  max-width: calc(100vw - 2rem);
  z-index: 1000;
}

[data-theme="light"] .dropdown-menu {
  background: #f8fafc;
  border-color: rgba(0, 0, 0, 0.14);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.10), 0 0 0 1px rgba(0, 0, 0, 0.06);
}

.dropdown-menu.open { display: block; }

.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  font-size: 0.95rem;
  font-weight: 550;
  color: #f1f1f8;
  padding: 0.7rem 0.95rem;
  border-radius: 10px;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s;
}

.dropdown-item:hover { background: rgba(255, 255, 255, 0.1); color: #ffffff; }

[data-theme="light"] .dropdown-item {
  color: #0f172a;
}

[data-theme="light"] .dropdown-item:hover {
  background: rgba(0, 0, 0, 0.06);
  color: #000000;
}

.dropdown-item .os-label {
  font-size: 0.78rem;
  color: rgba(238, 238, 245, 0.65);
  background: rgba(255, 255, 255, 0.09);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  margin-left: auto;
  flex-shrink: 0;
}

[data-theme="light"] .dropdown-item .os-label {
  color: rgba(15, 23, 42, 0.6);
  background: rgba(0, 0, 0, 0.06);
}

/* ----------------------------------------------------------
   Mobile Notice Card
   ---------------------------------------------------------- */
.mobile-notice {
  width: 100%;
  max-width: 580px;
  margin-top: 0.25rem;
  margin-bottom: 0.75rem;
}

.mobile-notice__card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 16px;
  padding: 1.25rem 1.35rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
  transition: background 0.25s, border-color 0.25s, box-shadow 0.25s;
}

[data-theme="light"] .mobile-notice__card {
  background: rgba(255, 255, 255, 0.90);
  border-color: rgba(0, 0, 0, 0.12);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
}

.mobile-notice__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.mobile-notice__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.mobile-notice__badge svg {
  color: #60a5fa;
  flex-shrink: 0;
}

[data-theme="light"] .mobile-notice__badge svg {
  color: #2563eb;
}

.mobile-notice__tag {
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.22rem 0.65rem;
  border-radius: 6px;
  background: rgba(239, 68, 68, 0.15);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fca5a5;
  letter-spacing: 0.02em;
}

[data-theme="light"] .mobile-notice__tag {
  background: rgba(239, 68, 68, 0.08);
  border-color: rgba(239, 68, 68, 0.25);
  color: #dc2626;
}

.mobile-notice__desc {
  font-size: 0.92rem;
  line-height: 1.58;
  color: rgba(238, 238, 245, 0.86);
}

[data-theme="light"] .mobile-notice__desc {
  color: rgba(15, 23, 42, 0.80);
}

.mobile-notice__dropdown {
  position: relative;
  width: 100%;
  margin-top: 0.25rem;
}

.mobile-notice__dropdown-btn {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  padding: 0.85rem 1.4rem;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 650;
  cursor: pointer;
}

.mobile-notice__dropdown-btn .chevron-icon {
  margin-left: auto;
  transition: transform 0.2s ease;
  flex-shrink: 0;
}

.mobile-notice__dropdown-btn[aria-expanded="true"] .chevron-icon {
  transform: rotate(180deg);
}

.mobile-notice__dropdown-menu {
  width: 100%;
  left: 0;
  right: 0;
  top: calc(100% + 8px);
}

/* ----------------------------------------------------------
   Problem Section
   ---------------------------------------------------------- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.problem-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem 1.75rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.problem-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.problem-card__icon {
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
  line-height: 1;
}

.problem-card__title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.65rem;
}

.problem-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.68;
}

/* ----------------------------------------------------------
   Solution / Features
   ---------------------------------------------------------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 2rem 1.75rem;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.feature-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.feature-card--wide {
  grid-column: span 2;
}

.feature-card__num {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  margin-bottom: 1rem;
  font-variant-numeric: tabular-nums;
}

.feature-card__icon {
  font-size: 1.6rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.feature-card__title {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.65rem;
}

.feature-card__desc {
  font-size: 0.875rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ----------------------------------------------------------
   Comparison Table
   ---------------------------------------------------------- */
.comparison-wrap {
  margin-top: clamp(2.5rem, 5vw, 4rem);
  overflow-x: auto;
  border-radius: 18px;
  border: 1px solid var(--border);
}

.comparison-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.comparison-table thead tr {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.comparison-table th {
  padding: 1.1rem 1.5rem;
  text-align: center;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: -0.01em;
  color: var(--text-muted);
  white-space: nowrap;
}

.comparison-table th:first-child { text-align: left; width: 36%; }

.comparison-table th.col-highlight {
  background: var(--col-highlight);
  color: var(--text);
  position: relative;
}

.comparison-table th.col-highlight::after {
  content: 'Recommended';
  display: block;
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-top: 2px;
}

.comparison-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background 0.15s;
}

.comparison-table tbody tr:last-child { border-bottom: none; }
.comparison-table tbody tr:hover { background: var(--table-highlight); }

.comparison-table td {
  padding: 1rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.comparison-table td:first-child {
  text-align: left;
  font-weight: 600;
  color: var(--text);
  font-size: 0.88rem;
}

.comparison-table td.col-highlight {
  background: var(--col-highlight);
}

.status-good  { color: var(--status-good); font-weight: 600; }
.status-bad   { color: var(--status-bad);  font-weight: 500; }
.status-warn  { color: var(--status-warn); font-weight: 500; }

/* ----------------------------------------------------------
   Use Cases
   ---------------------------------------------------------- */
.uc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.25rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.uc-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.uc-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.uc-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.uc-card__role {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

.uc-card__icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.uc-card__time {
  display: inline-flex;
  align-items: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--status-good);
  background: rgba(74,222,128,0.07);
  border: 1px solid rgba(74,222,128,0.15);
  border-radius: 100px;
  padding: 0.25rem 0.65rem;
  width: fit-content;
}

[data-theme="light"] .uc-card__time {
  color: var(--status-good);
  background: rgba(22,163,74,0.06);
  border-color: rgba(22,163,74,0.15);
}

.uc-card__desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* ----------------------------------------------------------
   Stats
   ---------------------------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1px;
  background: var(--border);
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border);
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.stat-item {
  background: var(--surface);
  padding: 2.5rem 2rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat__value {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--text);
  line-height: 1;
}

.stat__label {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.5;
  max-width: 160px;
  margin-inline: auto;
}

/* ----------------------------------------------------------
   Pricing
   ---------------------------------------------------------- */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-top: clamp(2.5rem, 5vw, 4rem);
}

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.25s;
}

.pricing-card:hover {
  border-color: var(--border-hover);
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.pricing-card__icon {
  font-size: 1.6rem;
  line-height: 1;
}

.pricing-card__title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.pricing-card__desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.68;
  flex: 1;
}

.pricing-card__price {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-faint);
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.pricing-note {
  text-align: center;
  font-size: 0.82rem;
  color: var(--text-faint);
  margin-top: 2rem;
}

/* ----------------------------------------------------------
   CTA Banner
   ---------------------------------------------------------- */
.cta-banner {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.cta-banner__inner {
  max-width: 680px;
  margin-inline: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
}

.cta-banner__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text);
  line-height: 1.15;
}

.cta-banner__subtitle {
  font-size: clamp(0.95rem, 1.5vw, 1.1rem);
  color: var(--text-muted);
  line-height: 1.7;
  max-width: 520px;
}

.cta-banner__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

/* ----------------------------------------------------------
   Footer
   ---------------------------------------------------------- */
.footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding-block: 0.85rem;
  flex-shrink: 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer__brand {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.footer__logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--text);
  text-decoration: none;
}

.footer__logo-img {
  width: 28px;
  color: var(--text);
}

.footer__logo-name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  display: inline-block;
  white-space: nowrap;
}

.footer__tagline {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
  max-width: 280px;
}

.footer__col-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-faint);
  margin-bottom: 1rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__link {
  font-size: 0.875rem;
  color: rgba(238, 238, 245, 0.70);
  transition: color 0.2s;
}

[data-theme="light"] .footer__link {
  color: rgba(10, 10, 20, 0.65);
}

.footer__link:hover { color: var(--text); }

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
}

.footer__copyright {
  font-size: 0.82rem;
  color: rgba(238, 238, 245, 0.62);
}

[data-theme="light"] .footer__copyright {
  color: rgba(10, 10, 20, 0.58);
}

.footer__bottom-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ----------------------------------------------------------
   Divider
   ---------------------------------------------------------- */
.divider {
  height: 1px;
  background: var(--border);
  margin-block: clamp(2rem, 4vw, 3.5rem);
}

/* ----------------------------------------------------------
   Responsive & Mobile Optimization
   ---------------------------------------------------------- */
.footer__bottom--clean {
  border-top: none;
  padding-top: 0;
  justify-content: space-between;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer__brand-group {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

@media (max-width: 900px) {
  .nav__links { display: none; }
  .mockup__body { grid-template-columns: 1fr; }
  .mockup__sidebar { display: none; }
  .mockup__body { height: 280px; }

  .feature-card--wide { grid-column: span 1; }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }

  .footer__brand {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  /* Navigation header on mobile */
  .nav {
    height: 56px;
  }

  .nav__inner {
    padding-inline: 1rem;
    gap: 0.5rem;
  }

  .nav__brand {
    font-size: 1.15rem;
    gap: 0.5rem;
  }

  .nav__actions {
    gap: 0.45rem;
  }

  .nav__btn-download {
    display: none !important; /* Hide desktop download CTA in mobile header */
  }

  .lang-switcher {
    height: 36px;
    padding: 2px;
    gap: 1px;
  }

  .lang-btn {
    font-size: 0.76rem;
    padding: 0 0.5rem;
  }

  .theme-toggle {
    width: 36px;
    height: 36px;
  }

  .theme-toggle svg {
    width: 16px;
    height: 16px;
  }

  .nav__btn-contact {
    height: 36px;
    padding: 0 0.65rem;
    font-size: 0.78rem;
  }

  /* Hero section on mobile */
  .hero {
    min-height: 100vh;
    min-height: 100svh;
    padding-top: calc(56px + 1.25rem);
    padding-bottom: 2.25rem;
  }

  .hero__title {
    font-size: clamp(1.85rem, 7.5vw, 2.75rem);
    line-height: 1.16;
    word-break: break-word;
    hyphens: auto;
  }

  .hero__subtitle {
    font-size: clamp(0.98rem, 3.8vw, 1.12rem);
    line-height: 1.58;
    margin-bottom: 1.35rem;
  }

  .hero__cta {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    margin-bottom: 1rem;
  }

  .download-group {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
  }

  .download-group .btn {
    width: 100%;
    justify-content: center;
  }

  .download-group .dropdown {
    width: 100%;
  }

  .download-group #dropdownToggle {
    width: 100%;
    justify-content: center;
  }

  .dropdown-menu {
    width: 100%;
    left: 0;
    right: 0;
  }

  .hero__meta {
    font-size: 0.82rem;
    gap: 0.65rem;
    line-height: 1.5;
  }

  .stats-grid { grid-template-columns: repeat(2, 1fr); }

  .footer__inner {
    grid-template-columns: 1fr;
  }

  .footer__brand { grid-column: span 1; }

  .comparison-table th,
  .comparison-table td {
    padding: 0.85rem 0.9rem;
  }
}

@media (max-width: 480px) {
  .container {
    padding-inline: 1rem;
  }

  .nav__inner {
    padding-inline: 0.75rem;
  }

  .footer__bottom--clean {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .mobile-notice__card {
    padding: 1.1rem 1.15rem;
  }
}

@media (max-width: 360px) {
  .nav__brand {
    font-size: 1.02rem;
  }

  .lang-btn {
    padding: 0 0.35rem;
    font-size: 0.72rem;
  }

  .nav__btn-contact {
    display: none; /* Hide contact button on ultra-narrow sub-360px displays to avoid overflow */
  }
}