/* ============================================================
   MAIN.CSS — Global Styles, Navigation, Components, Footer
   ============================================================ */

/* ---- Reset ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-base);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100svh;
}
img, video, svg { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color var(--ease-fast); }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
#knowledge-content-editor ul, .kb-content ul, .rich-text-content ul, .ticket-message-content ul, .message-body ul {
    list-style-type: disc !important;
    padding-left: 20px !important;
    margin: 8px 0 !important;
}
#knowledge-content-editor ol, .kb-content ol, .rich-text-content ol, .ticket-message-content ol, .message-body ol {
    list-style-type: decimal !important;
    padding-left: 20px !important;
    margin: 8px 0 !important;
}
#knowledge-content-editor li, .kb-content li, .rich-text-content li, .ticket-message-content li, .message-body li {
    display: list-item !important;
    margin-bottom: 4px !important;
}
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--clr-surface); }
::-webkit-scrollbar-thumb { background: var(--clr-border-focus); border-radius: var(--r-full); }
::-webkit-scrollbar-thumb:hover { background: var(--clr-primary); }
::selection { background: var(--clr-primary-glow); }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 4vw, 2.5rem);
}

/* ---- NAVIGATION ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  z-index: 100;
  transition: background var(--ease-base), border-color var(--ease-base);
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7,7,14,.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: var(--clr-border);
}
.nav__inner {
  display: flex;
  align-items: center;
  gap: var(--sp-8);
  height: 100%;
}
.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -.03em;
  flex-shrink: 0;
}
.nav__logo span { color: var(--clr-primary); }
.nav__logo-icon {
  width: 36px; height: 36px;
  background: var(--clr-primary);
  border-radius: var(--r-lg);
  display: grid; place-items: center;
  color: #fff;
  font-size: var(--text-sm);
  font-weight: 800;
  flex-shrink: 0;
  box-shadow: 0 0 16px var(--clr-primary-glow);
}
.nav__links {
  display: flex;
  align-items: center;
  gap: var(--sp-6);
  margin-left: auto;
}
.nav__link {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--clr-text-muted);
  transition: color var(--ease-fast);
  position: relative;
  padding-block: var(--sp-1);
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 1px;
  background: var(--clr-primary);
  transform: scaleX(0);
  transition: transform var(--ease-base);
}
.nav__link:hover { color: var(--clr-text); }
.nav__link:hover::after { transform: scaleX(1); }

.nav__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

/* Language switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-full);
  padding: 3px;
  gap: 2px;
}
.lang-btn {
  font-size: 11px;
  font-weight: 700;
  color: var(--clr-text-muted);
  padding: 4px 9px;
  border-radius: var(--r-full);
  transition: all var(--ease-fast);
  letter-spacing: .04em;
}
.lang-btn:hover { color: var(--clr-text); }
.lang-btn.active { background: var(--clr-primary); color: #fff; }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--sp-2);
  margin-left: auto;
}
.nav__hamburger span {
  display: block; width: 22px; height: 2px;
  background: var(--clr-text);
  border-radius: var(--r-full);
  transition: all var(--ease-base);
}
.nav__hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-h); left: 0; right: 0;
  background: rgba(7,7,14,.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--sp-6);
  flex-direction: column;
  gap: var(--sp-4);
  z-index: 99;
  opacity: 0;
  transform: translateY(-8px);
  transition: all var(--ease-base);
  pointer-events: none;
}
.nav__mobile.open {
  display: flex;
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}
.nav__mobile .nav__link { font-size: var(--text-base); padding-block: var(--sp-2); }
.nav__mobile .lang-switcher { align-self: flex-start; }

/* ---- BUTTONS ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  font-weight: 600;
  border-radius: var(--r-lg);
  transition: all var(--ease-base);
  white-space: nowrap;
  user-select: none;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
}
.btn:disabled { opacity: .5; pointer-events: none; }
.btn-sm  { padding: var(--sp-2) var(--sp-4);  font-size: var(--text-sm); }
.btn-md  { padding: var(--sp-3) var(--sp-5);  font-size: var(--text-sm); }
.btn-lg  { padding: var(--sp-4) var(--sp-8);  font-size: var(--text-base); }
.btn-xl  { padding: var(--sp-5) var(--sp-10); font-size: var(--text-lg); }

.btn-primary {
  background: var(--clr-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--clr-primary-light);
  box-shadow: var(--shadow-glow);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--clr-card);
  color: var(--clr-text);
  border-color: var(--clr-border);
}
.btn-secondary:hover {
  background: var(--clr-card-hover);
  border-color: var(--clr-border-hover);
  transform: translateY(-1px);
}
.btn-ghost { color: var(--clr-text-muted); }
.btn-ghost:hover { color: var(--clr-text); background: var(--clr-card); }

.btn-outline {
  color: var(--clr-primary);
  border-color: var(--clr-primary);
}
.btn-outline:hover {
  background: var(--clr-primary-subtle);
  transform: translateY(-1px);
}

/* ---- BADGE ---- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: .04em;
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-full);
  border: 1px solid;
}
.badge-primary { background: var(--clr-primary-subtle); color: var(--clr-primary-light); border-color: hsla(225,82%,60%,.2); }
.badge-success { background: var(--clr-success-bg); color: var(--clr-success); border-color: hsla(142,68%,45%,.2); }
.badge-warning { background: var(--clr-warning-bg); color: var(--clr-warning); border-color: hsla(38,90%,50%,.2); }
.badge-error   { background: var(--clr-error-bg);   color: var(--clr-error);   border-color: hsla(0,78%,58%,.2); }

/* ---- SECTION BASE ---- */
.section { padding-block: clamp(var(--sp-16), 8vw, var(--sp-24)); }

.section__eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--clr-primary);
  margin-bottom: var(--sp-4);
}
.section__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -.035em;
  margin-bottom: var(--sp-4);
}
.section__subtitle {
  font-size: clamp(var(--text-base), 2vw, var(--text-lg));
  color: var(--clr-text-muted);
  max-width: 50ch;
  line-height: 1.7;
}
.section__header { margin-bottom: clamp(var(--sp-10), 5vw, var(--sp-16)); }
.section__header.centered { text-align: center; }
.section__header.centered .section__subtitle { margin-inline: auto; }

/* ---- HERO ---- */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-h);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 50% -5%, hsla(225,82%,60%,.14), transparent 70%),
    radial-gradient(ellipse 40% 40% at 85% 85%, hsla(200,78%,55%,.07), transparent 60%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, #000 30%, transparent 100%);
}
.hero__content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: var(--sp-6);
  max-width: 700px;
}
.hero__title {
  font-size: clamp(2.6rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -.04em;
}
.gradient {
  background: linear-gradient(135deg, var(--clr-primary-light) 0%, hsl(200,80%,68%) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero__subtitle {
  font-size: clamp(var(--text-base), 2.5vw, var(--text-xl));
  color: var(--clr-text-muted);
  line-height: 1.7;
  max-width: 52ch;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
  padding-top: var(--sp-2);
}
.hero__trust {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
}
.trust-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--clr-success);
  flex-shrink: 0;
  animation: pulse-dot 2.2s ease infinite;
}
@keyframes pulse-dot {
  0%,100% { box-shadow: 0 0 0 0 hsla(142,68%,45%,.5); }
  50%      { box-shadow: 0 0 0 6px hsla(142,68%,45%,0); }
}

/* ---- STATS BAR ---- */
.stats-bar {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
}
.stats-bar__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-8);
  padding-block: var(--sp-12);
  text-align: center;
}
.stat-num {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
  margin-bottom: var(--sp-2);
  background: linear-gradient(135deg, var(--clr-text) 0%, var(--clr-primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.stat-label {
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  font-weight: 500;
}

/* ---- FEATURES ---- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--sp-4);
}
.feature-card {
  background: var(--clr-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  transition: all var(--ease-base);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--clr-primary-glow), transparent);
  opacity: 0;
  transition: opacity var(--ease-base);
}
.feature-card:hover {
  background: var(--clr-card-hover);
  border-color: var(--clr-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-card:hover::before { opacity: 1; }

.feature-icon {
  width: 48px; height: 48px;
  border-radius: var(--r-lg);
  background: var(--clr-primary-subtle);
  border: 1px solid hsla(225,82%,60%,.15);
  display: grid; place-items: center;
  margin-bottom: var(--sp-5);
  transition: all var(--ease-base);
}
.feature-card:hover .feature-icon {
  background: var(--clr-primary);
  border-color: var(--clr-primary);
}
.feature-card:hover .feature-icon svg { stroke: #fff !important; }
.feature-title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--sp-3);
  letter-spacing: -.02em;
}
.feature-desc { font-size: var(--text-sm); color: var(--clr-text-muted); line-height: 1.7; }

/* ---- PROCESS ---- */
.process-section { background: var(--clr-surface); }
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--sp-6);
}
.process-step { text-align: center; padding: var(--sp-8) var(--sp-4); }
.process-number {
  width: 56px; height: 56px;
  border-radius: var(--r-full);
  border: 1px solid var(--clr-border);
  background: var(--clr-card);
  display: grid; place-items: center;
  font-size: var(--text-lg);
  font-weight: 800;
  color: var(--clr-primary);
  margin: 0 auto var(--sp-5);
}
.process-step-title { font-size: var(--text-lg); font-weight: 700; margin-bottom: var(--sp-3); }
.process-step-desc { font-size: var(--text-sm); color: var(--clr-text-muted); line-height: 1.7; }

/* ---- CTA SECTION ---- */
.cta-wrap { padding-block: var(--sp-8); }
.cta-box {
  background: linear-gradient(135deg, var(--clr-primary-subtle), var(--clr-card));
  border: 1px solid hsla(225,82%,60%,.15);
  border-radius: var(--r-2xl);
  padding: clamp(var(--sp-12), 6vw, var(--sp-20));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -40%; left: 50%;
  transform: translateX(-50%);
  width: 500px; height: 400px;
  background: radial-gradient(ellipse, var(--clr-primary-glow), transparent 70%);
  pointer-events: none;
}
.cta-title {
  font-size: clamp(var(--text-2xl), 4vw, var(--text-4xl));
  font-weight: 800;
  letter-spacing: -.035em;
  margin-bottom: var(--sp-4);
  position: relative;
}
.cta-subtitle {
  font-size: var(--text-lg);
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-8);
  position: relative;
}
.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--sp-3);
  position: relative;
}

/* ---- FOOTER ---- */
.footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding-block: var(--sp-16) var(--sp-8);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: var(--sp-12);
  margin-bottom: var(--sp-12);
}
.footer__brand .nav__logo { margin-bottom: var(--sp-4); }
.footer__brand p { font-size: var(--text-sm); color: var(--clr-text-muted); line-height: 1.7; max-width: 26ch; }
.footer__col-title {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--clr-text);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: var(--sp-4);
}
.footer__col a {
  display: block;
  font-size: var(--text-sm);
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-3);
  transition: color var(--ease-fast);
}
.footer__col a:hover { color: var(--clr-text); }
.footer__bottom {
  padding-top: var(--sp-8);
  border-top: 1px solid var(--clr-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-4);
  font-size: var(--text-sm);
  color: var(--clr-text-subtle);
}

/* ---- ANIMATIONS ---- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}
.animate-in { animation: fadeInUp .6s ease both; }
.animate-in:nth-child(1) { animation-delay: .05s; }
.animate-in:nth-child(2) { animation-delay: .12s; }
.animate-in:nth-child(3) { animation-delay: .2s;  }
.animate-in:nth-child(4) { animation-delay: .28s; }

/* ---- CARD PULSE ANIMATION ---- */
@keyframes pulse-todo-card {
  0% {
    box-shadow: 0 0 0 0 rgba(30, 64, 175, 0.3);
    transform: scale(1);
  }
  70% {
    box-shadow: 0 0 0 6px rgba(30, 64, 175, 0);
    transform: scale(1.015);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(30, 64, 175, 0);
    transform: scale(1);
  }
}
.pulse-todo-card {
  animation: pulse-todo-card 2s infinite ease-in-out;
  border-color: var(--clr-primary) !important;
}

/* ---- UTILS ---- */
.divider { height: 1px; background: var(--clr-border); margin-block: var(--sp-4); }
.text-muted { color: var(--clr-text-muted); }
.text-primary { color: var(--clr-primary); }

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; gap: var(--sp-8); }
}
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__actions .btn-secondary { display: none; }
  .nav__hamburger { display: flex; }
  .stats-bar__grid { gap: var(--sp-4); }
  .footer__grid { grid-template-columns: 1fr; gap: var(--sp-8); }
}
@media (max-width: 480px) {
  .stats-bar__grid { grid-template-columns: 1fr; }
  .hero__actions .btn { width: 100%; justify-content: center; }
  .cta-actions .btn { width: 100%; justify-content: center; }
}