/* ═══════════════════════════════════════════════════════════
   WWN Lab — style.css
   Light Theme Redesign
   Requires: design-tokens.css (подключается раньше)
   ═══════════════════════════════════════════════════════════ */

/* ── Утилиты ─────────────────────────────────────────────── */
.container {
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: 0 var(--space-6);
  position: relative;
  z-index: 1;
}

.hidden { display: none !important; }

.gradient-text {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}


/* ── Кнопки ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0 var(--btn-padding-x-md);
  height: var(--btn-height-md);
  border-radius: var(--btn-radius);
  font-size: var(--btn-font-size);
  font-weight: var(--btn-font-weight);
  font-family: var(--font-main);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn-sm  { height: var(--btn-height-sm);  padding: 0 var(--btn-padding-x-sm); }
.btn-lg  { height: var(--btn-height-lg);  padding: 0 var(--btn-padding-x-lg); font-size: var(--text-base); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 2px 8px rgba(27, 94, 166, 0.25);
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  box-shadow: var(--shadow-hover);
  transform: translateY(-1px);
  color: #fff;
}

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

/* Hero outline — поверх изображения, белый */
.hero .btn-outline {
  color: rgba(255,255,255,0.9);
  border-color: rgba(255,255,255,0.5);
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(8px);
}
.hero .btn-outline:hover {
  background: rgba(255,255,255,0.18);
  color: #fff;
  border-color: rgba(255,255,255,0.8);
}

.btn i { font-size: 1.1em; }
.spin { animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }


/* ── Шапка ───────────────────────────────────────────────── */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  height: var(--header-height);
  display: flex;
  align-items: center;
  background: rgba(244, 246, 249, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(244, 246, 249, 0.97);
  box-shadow: var(--shadow-sm);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  width: 100%;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: var(--font-bold);
  font-size: var(--text-md);
  color: var(--color-text);
  text-decoration: none;
  flex-shrink: 0;
}
.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 1rem;
}
.logo-mark i { font-size: 1rem; }
.logo-text strong { color: var(--color-primary); }
.logo-sm { font-size: var(--text-base); }
.logo-sm .logo-mark { width: 26px; height: 26px; font-size: 0.85rem; }

/* Nav */
.nav {
  display: flex;
  gap: var(--space-1);
  margin-left: auto;
}
.nav a {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  transition: all var(--transition);
  text-decoration: none;
}
.nav a:hover {
  color: var(--color-text);
  background: var(--color-surface-alt);
}
.nav a.active {
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.header-actions { display: flex; gap: var(--space-2); }

/* Mobile toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  margin-left: var(--space-2);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: all var(--transition-slow);
}
.nav-toggle.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-toggle.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


/* ── Hero ────────────────────────────────────────────────── */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  display: flex;
  align-items: center;
  padding: var(--space-20) 0;
  overflow: hidden;
}

/* Background */
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(160deg, #0a1628 0%, #0d2b52 40%, #0a3d3a 100%);
}
.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(13, 62, 115, 0.75) 0%,
    rgba(27, 94, 166, 0.60) 50%,
    rgba(0, 180, 166, 0.45) 100%
  );
}

/* Content */
.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: #fff;
}

/* Badge */
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.25);
  backdrop-filter: blur(8px);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  font-weight: var(--font-medium);
  letter-spacing: var(--tracking-wide);
  color: rgba(255,255,255,0.92);
  margin-bottom: var(--space-8);
}

/* Title */
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: var(--font-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: #fff;
  margin-bottom: var(--space-6);
}
.hero-title-accent {
  color: rgba(255,255,255,0.85);
  font-weight: var(--font-light);
}

/* Description */
.hero-desc {
  max-width: 580px;
  margin: 0 auto var(--space-10);
  font-size: var(--text-md);
  color: rgba(255,255,255,0.80);
  line-height: var(--leading-relaxed);
}

/* CTA buttons */
.hero-actions {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-16);
  flex-wrap: wrap;
}

/* Stats */
.hero-stats {
  display: inline-flex;
  align-items: center;
  gap: var(--space-8);
  background: rgba(255,255,255,0.10);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255,255,255,0.20);
  padding: var(--space-5) var(--space-10);
  border-radius: var(--radius-lg);
}
.stat { text-align: center; }
.stat-num {
  display: block;
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  font-family: var(--font-mono);
  color: #fff;
  line-height: 1.2;
}
.stat-label {
  display: block;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: rgba(255,255,255,0.65);
  margin-top: 2px;
  letter-spacing: var(--tracking-wide);
}
.stat-div {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.20);
}


/* ── Sections ────────────────────────────────────────────── */
.section { padding: var(--space-24) 0; }
.section-alt { background: var(--color-surface-alt); }

.section-label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  font-family: var(--font-mono);
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: var(--font-bold);
  color: var(--color-text);
  margin-bottom: var(--space-12);
}


/* ── Expertise cards ─────────────────────────────────────── */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-6);
}

.expertise-card {
  background: var(--color-surface);
  border: var(--card-border);
  border-radius: var(--card-radius);
  padding: var(--card-padding);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.expertise-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
.expertise-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--color-primary-light);
}

.expertise-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: var(--space-4);
  flex-shrink: 0;
}
.expertise-icon i { font-size: 1.5rem; }

/* Card accent colors */
.expertise-icon--security { background: #EFF6FF; color: #1D4ED8; }
.expertise-card:has(.expertise-icon--security)::before { background: #3B82F6; }

.expertise-icon--ics      { background: #FFF7ED; color: #C2410C; }
.expertise-card:has(.expertise-icon--ics)::before      { background: #F97316; }

.expertise-icon--automation { background: #F0FDF4; color: #15803D; }
.expertise-card:has(.expertise-icon--automation)::before { background: #22C55E; }

.expertise-icon--advisory { background: #F5F3FF; color: #6D28D9; }
.expertise-card:has(.expertise-icon--advisory)::before { background: #8B5CF6; }

.expertise-card h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-3);
}
.expertise-card p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}


/* ── News ────────────────────────────────────────────────── */
.news-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}

.news-card {
  background: var(--color-surface);
  border: var(--card-border);
  border-radius: var(--card-radius);
  padding: var(--space-6);
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}
.news-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--card-shadow-hover);
}
.news-date {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-text-muted);
}
.news-title {
  font-size: var(--text-md);
  font-weight: var(--font-semibold);
  color: var(--color-text);
  line-height: var(--leading-snug);
}
.news-body {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
}
.news-tag {
  display: inline-block;
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-primary-light);
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: var(--color-primary);
  font-weight: var(--font-medium);
  align-self: flex-start;
}

/* Skeleton cards */
.news-card--skeleton {
  pointer-events: none;
  gap: var(--space-4);
}
.skeleton-date  { height: 12px; width: 100px; }
.skeleton-title { height: 20px; width: 85%; }
.skeleton-body  { height: 60px; width: 100%; }

/* Empty / error state */
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: var(--space-16);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
}
.news-empty i { font-size: 2rem; display: block; margin-bottom: var(--space-3); }


/* ── Portal CTA ──────────────────────────────────────────── */
.portal-cta { background: var(--color-primary); }
.portal-cta .section-label { color: rgba(255,255,255,0.65); }

.portal-cta-card {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  flex-wrap: wrap;
  justify-content: center;
  text-align: center;
}

.portal-cta-icon {
  width: 64px;
  height: 64px;
  background: rgba(255,255,255,0.15);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 2rem;
  flex-shrink: 0;
}

.portal-cta-content { flex: 1; min-width: 260px; }
.portal-cta-content h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  font-weight: var(--font-bold);
  color: #fff;
  margin-bottom: var(--space-2);
}
.portal-cta-content p {
  font-size: var(--text-md);
  color: rgba(255,255,255,0.80);
}

.portal-cta-btn {
  background: #fff !important;
  color: var(--color-primary) !important;
  flex-shrink: 0;
}
.portal-cta-btn:hover {
  background: rgba(255,255,255,0.92) !important;
  box-shadow: 0 4px 20px rgba(0,0,0,0.15) !important;
}

.portal-cta-note {
  width: 100%;
  text-align: center;
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  color: rgba(255,255,255,0.60);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-2);
}


/* ── Contact ─────────────────────────────────────────────── */
.contact-wrap {
  max-width: 680px;
  margin: 0 auto;
}

.contact-card {
  background: var(--color-surface);
  border: var(--card-border);
  border-radius: var(--card-radius);
  box-shadow: var(--card-shadow);
  overflow: hidden;
}

.contact-form {
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-5);
}

.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.field label {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-text-secondary);
}
.field label span { color: var(--color-error); margin-left: 2px; }

.field input,
.field textarea {
  background: var(--color-bg);
  border: var(--input-border);
  border-radius: var(--input-radius);
  padding: var(--space-3) var(--input-padding-x);
  color: var(--color-text);
  font-size: var(--text-base);
  font-family: var(--font-main);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
}
.field input::placeholder,
.field textarea::placeholder { color: var(--color-text-disabled); }
.field input:focus,
.field textarea:focus {
  outline: none;
  border: var(--input-border-focus);
  box-shadow: var(--shadow-focus);
}

.h-captcha { margin-top: calc(-1 * var(--space-2)); }

.form-status {
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  border: 1px solid;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.form-status.success { background: var(--color-success-bg); border-color: var(--color-success); color: #15803D; }
.form-status.error   { background: var(--color-error-bg);   border-color: var(--color-error);   color: #B91C1C; }

.form-footer { display: flex; justify-content: flex-end; }


/* ── Footer ──────────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0;
  background: var(--color-surface);
}
.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
}
.footer-right {
  display: flex;
  gap: var(--space-6);
  flex-wrap: wrap;
}
.footer-right a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition);
  text-decoration: none;
}
.footer-right a:hover { color: var(--color-primary); }


/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .nav {
    display: none;
    flex-direction: column;
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: rgba(244, 246, 249, 0.98);
    backdrop-filter: blur(20px);
    padding: var(--space-4);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    z-index: var(--z-dropdown);
  }
  .nav.open { display: flex; }
  .nav-toggle { display: flex; }
  .header-actions .btn span { display: none; }
  .hero { padding: var(--space-12) 0; min-height: auto; }
  .hero-stats { gap: var(--space-5); padding: var(--space-4) var(--space-6); flex-wrap: wrap; }
  .stat-div { display: none; }
  .field-row { grid-template-columns: 1fr; }
  .contact-form { padding: var(--space-6); }
  .portal-cta-card { flex-direction: column; }
  .site-footer .container { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 2rem; }
  .hero-stats { justify-content: center; }
  .hero-actions { flex-direction: column; align-items: center; }
}