/* ==========================================================================
   CloudForge Systems — Stylesheet
   ========================================================================== */

/* --- Design Tokens --- */
:root {
  --color-bg:          #0B0F19;
  --color-surface:     #131825;
  --color-surface-alt: #1A2035;
  --color-border:      #1E293B;
  --color-primary:     #3B82F6;
  --color-secondary:   #8B5CF6;
  --color-accent:      #06B6D4;
  --color-text:        #F1F5F9;
  --color-text-muted:  #94A3B8;
  --color-text-dim:    #64748B;
  --color-success:     #10B981;
  --gradient-brand:    linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  --gradient-radial:   radial-gradient(ellipse at 50% 0%, rgba(59,130,246,0.12) 0%, transparent 60%);
  --font-family:       'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm:         8px;
  --radius-md:         12px;
  --radius-lg:         20px;
  --radius-xl:         24px;
  --shadow-card:       0 4px 24px rgba(0,0,0,0.25);
  --transition:        0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Light theme (same on desktop, mobile, tablet) --- */
body.theme-light {
  --color-bg:          #FFFFFF;
  --color-surface:      #FFFFFF;
  --color-surface-alt:  #F8FAFC;
  --color-border:       #E2E8F0;
  --color-primary:      #2563EB;
  --color-secondary:    #7C3AED;
  --color-text:        #0F172A;
  --color-text-muted:  #475569;
  --color-text-dim:    #64748B;
  --gradient-brand:    linear-gradient(135deg, #2563EB, #7C3AED);
  --gradient-radial:   radial-gradient(ellipse at 50% 0%, rgba(37,99,235,0.06) 0%, transparent 60%);
  --shadow-card:       0 4px 24px rgba(0,0,0,0.06);
  background: #FFFFFF;
}
body.theme-light .nav--scrolled {
  background: rgba(255,255,255,0.95);
  border-bottom-color: var(--color-border);
}
body.theme-light .nav__links.open {
  background: #FFFFFF !important;
  border-bottom-color: var(--color-border);
}
body.theme-light .hero__grid {
  background-image:
    linear-gradient(rgba(37,99,235,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,0.06) 1px, transparent 1px);
}
body.theme-light .hero__badge {
  border-color: rgba(37,99,235,0.25);
  background: rgba(37,99,235,0.08);
}
body.theme-light .feature-card:hover {
  border-color: rgba(37,99,235,0.25);
}
body.theme-light .feature-card__icon {
  background: rgba(37,99,235,0.08);
}
body.theme-light .btn--primary {
  box-shadow: 0 2px 16px rgba(37,99,235,0.25);
}
body.theme-light .btn--primary:hover {
  box-shadow: 0 4px 24px rgba(37,99,235,0.35);
}
body.theme-light .nav__dropdown-menu {
  background: var(--color-surface);
  border-color: var(--color-border);
}
body.theme-light .nav__dropdown-item:hover {
  background: rgba(37,99,235,0.08);
}
body.theme-light .app-card:hover {
  border-color: rgba(37,99,235,0.2);
}
body.theme-light .cta__card {
  background: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(124,58,237,0.06));
  border-color: var(--color-border);
}
body.theme-light .statement-block:hover {
  border-color: rgba(37,99,235,0.25);
}
body.theme-light .about-lead__badge {
  background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(124,58,237,0.06));
}
body.theme-light .about-apps__text a:hover {
  border-bottom-color: var(--color-primary);
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-family);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; }

/* --- Utilities --- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.gradient-text {
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.section-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 64px;
}
.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-family);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}
.btn--sm { padding: 8px 20px; font-size: 0.875rem; }
.btn--lg { padding: 14px 32px; font-size: 1rem; }
.btn--primary {
  background: var(--gradient-brand);
  color: #fff;
  box-shadow: 0 2px 16px rgba(59,130,246,0.3);
}
.btn--primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 24px rgba(59,130,246,0.45);
}
.btn--ghost {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover {
  border-color: var(--color-text-muted);
  background: rgba(255,255,255,0.04);
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: var(--transition);
}
.nav--scrolled {
  background: rgba(11,15,25,0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}
.nav__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.nav__logo-img {
  width: 168px;
  height: 168px;
  object-fit: contain;
}
.nav__logo-img--sm {
  width: 151px;
  height: 151px;
}
.nav__links {
  display: flex;
  gap: 32px;
}
.nav__link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: var(--transition);
  position: relative;
}
.nav__link:hover { color: var(--color-text); }
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-brand);
  transition: var(--transition);
}
.nav__link:hover::after { width: 100%; }
/* Nav dropdown */
.nav__dropdown {
  position: relative;
}
.nav__dropdown-trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  font-family: var(--font-family);
  cursor: pointer;
}
.nav__dropdown-arrow {
  transition: var(--transition);
}
.nav__dropdown.open .nav__dropdown-arrow {
  transform: rotate(180deg);
}
.nav__dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 200px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 8px 0;
  box-shadow: var(--shadow-card);
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}
.nav__dropdown.open .nav__dropdown-menu {
  opacity: 1;
  visibility: visible;
}
.nav__dropdown-item {
  display: block;
  padding: 10px 20px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: var(--transition);
}
.nav__dropdown-item:hover {
  color: var(--color-text);
  background: rgba(59,130,246,0.08);
}

.nav__cta-group {
  display: flex;
  align-items: center;
  gap: 12px;
}
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: var(--transition);
}
.theme-toggle:hover {
  color: var(--color-text);
  border-color: var(--color-text-muted);
  background: rgba(255,255,255,0.04);
}
body.theme-light .theme-toggle:hover {
  background: rgba(0,0,0,0.04);
}
.theme-toggle svg {
  width: 20px;
  height: 20px;
}
.theme-toggle .theme-toggle__sun,
.theme-toggle .theme-toggle__moon {
  display: none;
}
.theme-toggle[aria-label*="light"] .theme-toggle__sun,
.theme-toggle[aria-label*="dark"] .theme-toggle__moon {
  display: block;
}
.theme-toggle--menu {
  margin-top: 28px;
  width: 100%;
  justify-content: center;
  min-height: 44px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}
/* Desktop: hide the theme toggle that lives inside nav links so only the one next to Get Started shows */
@media (min-width: 1025px) {
  .theme-toggle--menu { display: none !important; }
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 48px;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: var(--gradient-radial);
  pointer-events: none;
}
.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59,130,246,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59,130,246,0.04) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  pointer-events: none;
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}
.hero__badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  border: 1px solid rgba(59,130,246,0.25);
  background: rgba(59,130,246,0.08);
  margin-bottom: 24px;
}
.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.hero__subtitle {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 40px;
}
.hero__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- App Page Hero (shorter than homepage) --- */
.app-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
  overflow: hidden;
}
.app-hero__content {
  position: relative;
  z-index: 1;
  max-width: 720px;
}

/* --- Stats --- */
.stats {
  padding: 40px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}
.stats__number {
  display: block;
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stats__label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}
.stats__logos {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 12px;
}
.stats__logos img {
  height: 40px;
  width: auto;
  max-width: 64px;
  object-fit: contain;
}

/* --- Features --- */
.features {
  padding: 120px 0;
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  padding: 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: var(--transition);
}
.feature-card:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: rgba(59,130,246,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary);
}
.feature-card__icon svg { width: 24px; height: 24px; }
.feature-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
}
.feature-card__text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* --- About --- */
.about {
  padding: 120px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.about__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.about__graphic {
  position: relative;
  width: 320px;
  height: 320px;
}
.about__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid var(--color-border);
}
.about__ring--1 {
  inset: 0;
  animation: spin 30s linear infinite;
}
.about__ring--2 {
  inset: 40px;
  border-color: rgba(59,130,246,0.2);
  animation: spin 20s linear infinite reverse;
}
.about__ring--3 {
  inset: 80px;
  border-color: rgba(139,92,246,0.2);
  animation: spin 15s linear infinite;
}
.about__center {
  position: absolute;
  inset: 110px;
  border-radius: 50%;
  background: var(--color-surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}
.about__logo {
  width: 70%;
  height: 70%;
  object-fit: contain;
}
.about__content { }
.about__text {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}
.about__highlights {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.about__highlight {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
  font-weight: 500;
}
.about__highlight svg {
  width: 20px;
  height: 20px;
  color: var(--color-success);
  flex-shrink: 0;
}

/* --- About Page: sections, statement blocks, leadership, apps --- */
.about-section {
  padding: 96px 0;
}
.about-section--alt {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.statement-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  max-width: 960px;
  margin: 0 auto;
}
.statement-block {
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: var(--transition);
}
.statement-block:hover {
  border-color: rgba(59,130,246,0.3);
  box-shadow: var(--shadow-card);
}
.statement-block__icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: rgba(59,130,246,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary);
}
.statement-block__icon svg { width: 26px; height: 26px; }
.statement-block__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}
.statement-block__text {
  font-size: 0.98rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}
.about-lead {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 64px;
  align-items: center;
  max-width: 960px;
  margin: 0 auto;
  padding: 48px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.about-lead__role {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.about-lead__title {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
.about-lead__text {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}
.about-lead__text:last-child { margin-bottom: 0; }
.about-lead__visual {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
  min-width: 180px;
}
.about-lead__badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 24px 32px;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(59,130,246,0.12), rgba(139,92,246,0.08));
  border: 1px solid var(--color-border);
}
.about-lead__badge-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
  margin-bottom: 4px;
}
.about-lead__badge-value {
  font-size: 1.5rem;
  font-weight: 800;
  background: var(--gradient-brand);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.about-lead__domains {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-muted);
}
.about-lead__domains li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.about-lead__domains li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}
.about-apps {
  max-width: 960px;
  margin: 0 auto;
}
.about-apps__story {
  margin-bottom: 48px;
}
.about-apps__lead {
  font-size: 1.15rem;
  color: var(--color-text);
  line-height: 1.7;
  margin-bottom: 20px;
}
.about-apps__text {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}
.about-apps__text a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.about-apps__text a:hover {
  border-bottom-color: var(--color-primary);
}
.about-apps__links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.about-apps__links .app-card {
  margin: 0;
}

/* --- Products --- */
.products {
  padding: 120px 0;
}
.product-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  padding: 48px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  overflow: hidden;
}
.product-card__badge {
  position: absolute;
  top: 24px;
  right: 24px;
  padding: 4px 14px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-secondary);
  border: 1px solid rgba(139,92,246,0.3);
  border-radius: 100px;
  background: rgba(139,92,246,0.08);
}
.product-card__title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.product-card__text {
  font-size: 1.05rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 24px;
}
.product-card__features {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.product-card__features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.product-card__features svg {
  width: 18px;
  height: 18px;
  color: var(--color-success);
  flex-shrink: 0;
  margin-top: 2px;
}

/* App cards grid */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.app-card {
  display: flex;
  flex-direction: column;
  padding: 36px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  transition: var(--transition);
  position: relative;
  text-decoration: none;
  color: inherit;
}
.app-card:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.app-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(59,130,246,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--color-primary);
}
.app-card__icon svg { width: 28px; height: 28px; }
.app-card__badge {
  position: absolute;
  top: 20px;
  right: 20px;
  padding: 3px 12px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-secondary);
  border: 1px solid rgba(139,92,246,0.3);
  border-radius: 100px;
  background: rgba(139,92,246,0.08);
}
.app-card__title {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 10px;
}
.app-card__text {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}
.app-card__link {
  display: inline-block;
  margin-top: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
  transition: var(--transition);
}
.app-card:hover .app-card__link {
  color: var(--color-secondary);
}

/* Browser mockup */
.browser-mockup {
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  overflow: hidden;
}
.browser-mockup__bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-alt);
}
.browser-mockup__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-border);
}
.browser-mockup__dot:nth-child(1) { background: #EF4444; }
.browser-mockup__dot:nth-child(2) { background: #F59E0B; }
.browser-mockup__dot:nth-child(3) { background: #10B981; }
.browser-mockup__url {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--color-text-dim);
  background: var(--color-bg);
  padding: 4px 16px;
  border-radius: 6px;
  margin-left: 8px;
}
.browser-mockup__body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 200px;
}
.browser-mockup__line {
  height: 8px;
  border-radius: 4px;
  background: var(--color-surface-alt);
}
.browser-mockup__line--wide { width: 85%; }
.browser-mockup__line--medium { width: 60%; }
.browser-mockup__line--short { width: 35%; }
.browser-mockup__block {
  width: 100%;
  height: 60px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(139,92,246,0.1));
  border: 1px solid var(--color-border);
}

/* --- CTA --- */
.cta {
  padding: 120px 0;
}
.cta__card {
  text-align: center;
  padding: 80px 48px;
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}
.cta__card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 0%, rgba(59,130,246,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.cta__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
  position: relative;
}
.cta__text {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin: 0 auto 32px;
  position: relative;
}
.cta__actions { position: relative; }

/* --- Footer --- */
.footer {
  padding: 64px 0 32px;
  border-top: 1px solid var(--color-border);
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer__tagline {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 280px;
}
.footer__heading {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-dim);
  margin-bottom: 16px;
}
.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer__links a {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  transition: var(--transition);
}
.footer__links a:hover { color: var(--color-text); }
.footer__bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  text-align: center;
  font-size: 0.85rem;
  color: var(--color-text-dim);
}

/* --- Contact Page --- */
.contact {
  padding: 24px 0 120px;
}
.contact__categories {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 820px;
  margin: 0 auto 48px;
}
.contact__category {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 36px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  transition: var(--transition);
  font-family: var(--font-family);
  color: var(--color-text);
}
.contact__category:hover {
  border-color: rgba(59,130,246,0.3);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}
.contact__category.active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), var(--shadow-card);
}
.contact__category-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: rgba(59,130,246,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  transition: var(--transition);
}
.contact__category:hover .contact__category-icon,
.contact__category.active .contact__category-icon {
  background: rgba(59,130,246,0.18);
}
.contact__category-icon svg { width: 28px; height: 28px; }
.contact__category-label {
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
}

.contact__form-wrap {
  max-width: 680px;
  margin: 0 auto;
  display: none;
}
.contact__form-wrap.visible {
  display: block;
  animation: contactReveal 0.4s ease-out;
}
@keyframes contactReveal {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

.contact__back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: none;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-family);
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 32px;
  padding: 0;
}
.contact__back:hover { color: var(--color-text); }
.contact__back svg { flex-shrink: 0; }

.contact__form {
  display: none;
}
.contact__form.active {
  display: block;
}

.contact__form-title {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}
.contact__form-subtitle {
  font-size: 1rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
}

.contact__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 32px;
}
.contact__field--full {
  grid-column: 1 / -1;
}
.contact__field--hidden {
  display: none;
}
.contact__field--hidden.visible {
  display: block;
}

.contact__field label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}
.contact__field input,
.contact__field textarea,
.contact__field select {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-family);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition);
}
.contact__field input::placeholder,
.contact__field textarea::placeholder {
  color: var(--color-text-dim);
}
.contact__field input:focus,
.contact__field textarea:focus,
.contact__field select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.contact__field textarea {
  resize: vertical;
  min-height: 120px;
}

.contact__select-wrap {
  position: relative;
}
.contact__select-wrap select {
  appearance: none;
  -webkit-appearance: none;
  padding-right: 40px;
  cursor: pointer;
}
.contact__select-arrow {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-dim);
  pointer-events: none;
}

.contact__field input.invalid,
.contact__field textarea.invalid,
.contact__field select.invalid {
  border-color: #EF4444;
  box-shadow: 0 0 0 3px rgba(239,68,68,0.12);
}

.contact__submit {
  width: 100%;
}

.contact__success {
  display: none;
  text-align: center;
  padding: 48px 0;
}
.contact__success.visible {
  display: block;
  animation: contactReveal 0.4s ease-out;
}
.contact__success-icon {
  color: var(--color-success);
  margin-bottom: 24px;
}

/* Light theme overrides for contact */
body.theme-light .contact__category:hover {
  border-color: rgba(37,99,235,0.25);
}
body.theme-light .contact__category.active {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary), 0 4px 24px rgba(0,0,0,0.06);
}
body.theme-light .contact__field input:focus,
body.theme-light .contact__field textarea:focus,
body.theme-light .contact__field select:focus {
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}

/* --- Animations --- */
@keyframes spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .apps-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card { grid-template-columns: 1fr; padding: 32px; }
  .product-card__visual { order: -1; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}

/* Mobile and tablet: hamburger menu; one theme toggle inside menu. Same theme as desktop. */
@media (max-width: 1024px) {
  .nav__logo-img {
    width: 48px;
    height: 48px;
  }
  .nav__links, .nav__cta-group { display: none; }
  .nav__links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(11,15,25,0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border);
    padding: 24px;
    gap: 20px;
  }
  .nav__toggle { display: flex; }
  .nav__dropdown-menu {
    position: static;
    transform: none;
    background: transparent;
    border: none;
    box-shadow: none;
    padding: 0 0 0 16px;
  }
  .nav__dropdown.open .nav__dropdown-menu {
    margin-top: 8px;
  }
}

@media (max-width: 768px) {
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .features__grid { grid-template-columns: 1fr; }
  .apps-grid { grid-template-columns: 1fr; }
  .about__grid { grid-template-columns: 1fr; gap: 48px; }
  .about__visual { order: -1; }
  .about__graphic { width: 240px; height: 240px; }
  .about__ring--2 { inset: 30px; }
  .about__ring--3 { inset: 60px; }
  .about__center { inset: 80px; }
  .footer__grid { grid-template-columns: 1fr; gap: 32px; }
  .hero { padding: 100px 0 60px; }
  .contact__categories { grid-template-columns: 1fr; max-width: 400px; }
  .contact__fields { grid-template-columns: 1fr; }
  .statement-grid { grid-template-columns: 1fr; }
  .about-lead { grid-template-columns: 1fr; padding: 32px; gap: 32px; }
  .about-lead__visual { order: -1; flex-direction: row; flex-wrap: wrap; justify-content: center; min-width: auto; }
  .about-apps__links { grid-template-columns: 1fr; }
  .hero,
  .app-hero {
    padding-top: 88px;
  }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; }
  .cta__card { padding: 48px 24px; }
}