/* ── Design polish layer — ProgressFrame ── */

:root {
  --cyan: #6ee7ff;
  --cyan-soft: rgba(110, 231, 255, 0.12);
  --violet: #a78bfa;
  --surface: rgba(10, 16, 28, 0.72);
  --surface-glass: rgba(12, 20, 36, 0.55);
  --border-glow: rgba(110, 231, 255, 0.18);
  --shadow-card: 0 20px 50px rgba(0, 0, 0, 0.38);
  --shadow-glow: 0 0 60px rgba(45, 90, 160, 0.12);
  --gradient-brand: linear-gradient(135deg, #6ee7ff 0%, #3b82f6 45%, #2d5aa0 100%);
  --gradient-text: linear-gradient(120deg, #f4f4f6 20%, #6ee7ff 50%, #f4f4f6 80%);
}

body {
  background:
    radial-gradient(ellipse 90% 55% at 50% -15%, rgba(45, 90, 160, 0.14), transparent 55%),
    radial-gradient(ellipse 50% 40% at 0% 40%, rgba(110, 231, 255, 0.04), transparent),
    radial-gradient(ellipse 40% 35% at 100% 60%, rgba(167, 139, 250, 0.05), transparent),
    var(--black);
}

/* ── Nav glass bar ── */
.nav {
  border-bottom: 1px solid transparent;
  transition: background 0.4s var(--ease), border-color 0.4s var(--ease), box-shadow 0.4s var(--ease);
}

.nav--scrolled {
  background: rgba(5, 5, 8, 0.82);
  border-bottom-color: rgba(255, 255, 255, 0.06);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

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

.nav__links a.nav__link--active::after {
  width: 100%;
  opacity: 1;
}

/* ── Hero ── */
.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border-glow);
  background: var(--cyan-soft);
  backdrop-filter: blur(8px);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
}

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

.hero__desc {
  font-size: 1.05rem;
  line-height: 1.65;
  max-width: 36ch;
}

.hero__content {
  padding-left: clamp(0rem, 2vw, 1rem);
}

.showcase-card__frame {
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  transition: box-shadow 0.55s var(--ease), border-color 0.45s var(--ease), transform 0.55s var(--ease);
}

.showcase-card__frame::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.06) 0%, transparent 40%);
  pointer-events: none;
  z-index: 3;
}

/* ── Marquee ── */
.marquee {
  background: linear-gradient(90deg, var(--blue), rgba(10, 22, 40, 0.95), var(--blue));
  border-color: rgba(110, 231, 255, 0.08);
}

.marquee__track span {
  color: rgba(244, 244, 246, 0.35);
  background: var(--gradient-text);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: marquee-shimmer 8s linear infinite;
}

@keyframes marquee-shimmer {
  to { background-position: 200% center; }
}

/* ── Section headers ── */
.section-head__num {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  background: linear-gradient(180deg, rgba(110, 231, 255, 0.35), rgba(45, 90, 160, 0.15));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 1;
  line-height: 0.85;
  min-width: 2.5ch;
}

.section-head__title {
  position: relative;
  display: inline-block;
}

.section-head__title::after {
  content: '';
  display: block;
  width: 2.5rem;
  height: 2px;
  margin-top: 0.65rem;
  background: var(--gradient-brand);
  border-radius: 2px;
  opacity: 0.7;
}

.section-head--light .section-head__title::after {
  opacity: 0.4;
}

.section-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 0;
  transition: gap 0.3s var(--ease), color 0.3s;
}

.section-more:hover {
  gap: 0.65rem;
  color: var(--cyan);
}

/* ── Works / editorial ── */
.works {
  position: relative;
}

.works::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(600px, 80%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-soft), transparent);
}

.work-item--editorial .work-item__frame {
  border-color: rgba(255, 255, 255, 0.09);
  box-shadow: var(--shadow-card);
}

.work-item--editorial:hover .work-item__frame {
  border-color: rgba(110, 231, 255, 0.28);
  box-shadow: var(--shadow-card), 0 0 48px rgba(45, 90, 160, 0.18);
}

.work-item--editorial .work-item__index {
  background: linear-gradient(135deg, rgba(110, 231, 255, 0.5), rgba(45, 90, 160, 0.35));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.work-item--editorial .work-item__caption-body h3 {
  letter-spacing: -0.02em;
}

.work-item--editorial .work-item__arrow {
  width: 2.25rem;
  height: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  font-size: 0.95rem;
}

.work-item--editorial:hover .work-item__arrow {
  border-color: rgba(110, 231, 255, 0.35);
  background: rgba(45, 90, 160, 0.2);
}

/* ── Services ── */
.services {
  background:
    radial-gradient(ellipse 70% 50% at 50% 0%, rgba(45, 90, 160, 0.2), transparent),
    linear-gradient(180deg, var(--blue) 0%, var(--black) 100%);
}

.service-card {
  background: var(--surface-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-color: rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(110, 231, 255, 0.25), transparent);
  opacity: 0;
  transition: opacity 0.35s;
}

.service-card:hover::before { opacity: 1; }

.service-card:hover {
  box-shadow: var(--shadow-card);
  border-color: rgba(110, 231, 255, 0.2);
}

.service-card--featured {
  background: linear-gradient(160deg, rgba(45, 90, 160, 0.28), rgba(10, 18, 32, 0.75));
  border-color: rgba(110, 231, 255, 0.22);
  box-shadow: 0 0 0 1px rgba(110, 231, 255, 0.06), var(--shadow-glow);
}

.service-card--featured::before { opacity: 1; }

.service-card__badge {
  background: var(--gradient-brand);
  box-shadow: 0 4px 16px rgba(45, 90, 160, 0.4);
}

.service-card__icon {
  padding: 0.65rem;
  border-radius: 12px;
  background: var(--cyan-soft);
  border: 1px solid rgba(110, 231, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}

/* ── Blog ── */
.blog-card {
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  border-color: rgba(255, 255, 255, 0.08);
  overflow: hidden;
}

.blog-card:hover {
  transform: translateY(-6px);
  border-color: rgba(110, 231, 255, 0.22);
  box-shadow: var(--shadow-card);
}

.blog-card__title {
  letter-spacing: -0.02em;
  transition: color 0.3s;
}

.blog-card:hover .blog-card__title {
  color: var(--cyan);
}

.blog-card__media {
  overflow: hidden;
}

.blog-card__cover {
  transition: transform 0.6s var(--ease);
}

.blog-card:hover .blog-card__cover {
  transform: scale(1.05);
}

/* ── About ── */
.about__portrait,
.about__portrait-img {
  box-shadow: var(--shadow-card), 0 0 80px rgba(45, 90, 160, 0.15);
}

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

/* ── Contact ── */
.contact {
  background:
    radial-gradient(ellipse 60% 40% at 50% 100%, rgba(45, 90, 160, 0.12), transparent),
    transparent;
  border-top-color: rgba(110, 231, 255, 0.08);
}

.contact__form {
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--surface-glass);
  backdrop-filter: blur(16px);
}

.contact__form input,
.contact__form textarea {
  background: rgba(5, 5, 8, 0.5);
  border-color: rgba(255, 255, 255, 0.08);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.contact__form input:focus,
.contact__form textarea:focus {
  border-color: rgba(110, 231, 255, 0.35);
  box-shadow: 0 0 0 3px rgba(110, 231, 255, 0.08);
}

.channel {
  background: var(--surface-glass);
  backdrop-filter: blur(8px);
  border-left-width: 3px;
  border-left-style: solid;
  border-left-color: var(--channel-accent, #6ee7ff);
}

.channel:hover {
  background: rgba(45, 90, 160, 0.12);
  border-color: rgba(255, 255, 255, 0.12);
  border-left-color: var(--channel-accent, #6ee7ff);
  transform: translateX(4px);
}

.channel__value {
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* ── Footer ── */
.footer {
  border-top-color: rgba(110, 231, 255, 0.08);
}

/* ── Inner pages ── */
.page-hero__title--shine {
  background: var(--gradient-text);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: title-shine 6s linear infinite;
}

.page-hero {
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  margin-bottom: var(--page-gap);
}

.page-hero__title::after {
  content: '';
  display: block;
  width: 3rem;
  height: 2px;
  margin-top: 0.75rem;
  background: var(--gradient-brand);
  border-radius: 2px;
  opacity: 0.6;
}

.work-item--card {
  background: var(--surface-glass);
  backdrop-filter: blur(12px);
  border-color: rgba(255, 255, 255, 0.09);
}

.work-item--card:hover {
  border-color: rgba(110, 231, 255, 0.25);
  box-shadow: var(--shadow-card);
}

/* ── Modal ── */
.modal__dialog {
  border-color: rgba(110, 231, 255, 0.12);
  background: linear-gradient(165deg, rgba(18, 32, 64, 0.98), rgba(5, 5, 8, 0.99));
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.65), 0 0 80px rgba(45, 90, 160, 0.15);
}

@media (max-width: 768px) {
  .hero__eyebrow {
    font-size: 0.65rem;
    letter-spacing: 0.14em;
  }

  .section-head__title::after {
    width: 2rem;
  }

  .contact__form {
    padding: var(--space-md);
  }
}

@media (prefers-reduced-motion: reduce) {
  .marquee__track span {
    animation: none;
    -webkit-text-fill-color: rgba(244, 244, 246, 0.35);
  }
}

/* ── Training page ── */
.page-training {
  background:
    radial-gradient(ellipse 60% 40% at 80% 0%, rgba(167, 139, 250, 0.06), transparent),
    #030305;
}

.train-card {
  background: var(--surface-glass);
  backdrop-filter: blur(14px);
  border-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
}

.train-card:hover {
  border-color: rgba(110, 231, 255, 0.3);
  box-shadow: var(--shadow-card), 0 0 40px rgba(45, 90, 160, 0.12);
}

.train-card__tag {
  color: var(--cyan);
}

.training-hero h1 {
  letter-spacing: -0.04em;
}

.training-cta .btn--primary {
  padding: 1rem 2.5rem;
}

.training-modal__pill {
  border-color: rgba(110, 231, 255, 0.2);
  background: rgba(45, 90, 160, 0.15);
}

/* ── Blog section spacing ── */
.blog {
  position: relative;
}

.blog::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(500px, 70%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan-soft), transparent);
}