/* ============================================
   HOME PAGE — SPECIFIC STYLES
   ============================================ */

/* ---- HERO ---- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__bg-gradient {
  position: absolute;
  inset: 0;
  background: var(--gradient-hero);
}

[data-theme="dark"] .hero__bg-gradient {
  background: linear-gradient(160deg, #060810 0%, #0a1020 40%, #0c0818 80%, #060810 100%);
}

.hero__bg-gradient::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 60% at 10% 30%, rgba(61, 158, 245, 0.18) 0%, transparent 65%),
    radial-gradient(ellipse 50% 70% at 90% 70%, rgba(168, 85, 247, 0.15) 0%, transparent 65%);
}

.hero__particles {
  position: absolute;
  inset: 0;
}

.hero__particles canvas {
  width: 100%;
  height: 100%;
}

.hero__grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(61,158,245,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(61,158,245,0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent);
}

.hero__content {
  position: relative;
  z-index: 1;
  padding-top: 100px;
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-32));
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  max-width: 900px;
}

.hero__badge {
  margin-bottom: var(--space-6);
}

.hero__headline {
  font-family: var(--font-display, sans-serif);
  font-size: var(--text-hero);
  font-weight: 700;
  letter-spacing: -0.04em;
  line-height: 1.0;
  color: var(--color-text);
  margin-bottom: var(--space-6);
  max-width: 14ch;
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 55ch;
  line-height: 1.6;
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-16);
}

.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-8);
  flex-wrap: wrap;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.hero__stat-num {
  font-family: var(--font-display, sans-serif);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero__stat-divider {
  width: 1px;
  height: 40px;
  background: var(--color-border);
}

.hero__scroll-hint {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  z-index: 1;
  opacity: 0.5;
}

.hero__scroll-hint span {
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-faint);
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-primary), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ---- SERVICES PREVIEW ---- */
.services-preview {
  background: var(--color-surface);
}

.services-preview__header {
  text-align: center;
  margin-bottom: var(--space-16);
}

.services-preview__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto auto;
  gap: var(--space-6);
}

.service-card {
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition:
    border-color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    transform var(--transition-interactive);
}

.service-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}

.service-card--wide {
  grid-column: span 4;
  flex-direction: row;
  align-items: flex-start;
  gap: var(--space-6);
}

.service-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  flex-shrink: 0;
  border: 1px solid rgba(61, 158, 245, 0.2);
}

.service-card h3 {
  font-family: var(--font-display, sans-serif);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text);
}

.service-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.service-card__link {
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  margin-top: auto;
  transition: color var(--transition-interactive);
}

.service-card__link:hover {
  color: var(--color-primary-hover);
}

@media (max-width: 1024px) {
  .services-preview__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .service-card--wide {
    grid-column: span 2;
  }
}

@media (max-width: 640px) {
  .services-preview__grid {
    grid-template-columns: 1fr;
  }
  .service-card--wide {
    grid-column: span 1;
    flex-direction: column;
  }
}

/* ---- WHY US ---- */
.why-us {
  background: var(--color-bg);
}

.why-us__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
}

@media (max-width: 900px) {
  .why-us__inner { grid-template-columns: 1fr; }
  .why-us__visual { order: -1; }
}

.why-us__img-wrap {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.why-us__img-wrap img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.why-us__img-badge {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: rgba(10, 11, 15, 0.85);
  backdrop-filter: blur(12px);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-success);
  font-size: var(--text-sm);
  font-weight: 600;
}

.why-us__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.why-us__item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.why-us__item-icon {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}

.why-us__item strong {
  display: block;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-1);
}

.why-us__item p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ---- PORTFOLIO PREVIEW ---- */
.portfolio-preview {
  background: var(--color-surface);
}

.portfolio-preview__header {
  text-align: center;
  margin-bottom: var(--space-12);
}

.portfolio-preview__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 280px 280px;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

.portfolio-item {
  display: block;
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  text-decoration: none;
  cursor: pointer;
}

.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-in-out);
}

.portfolio-item:hover img {
  transform: scale(1.06);
}

.portfolio-item__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.75) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--space-5);
  opacity: 0;
  transition: opacity var(--transition-interactive);
}

.portfolio-item:hover .portfolio-item__overlay {
  opacity: 1;
}

.portfolio-item__cat {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-1);
}

.portfolio-item__overlay h3 {
  font-family: var(--font-display, sans-serif);
  font-size: var(--text-lg);
  font-weight: 700;
  color: #fff;
}

.portfolio-preview__cta {
  text-align: center;
}

@media (max-width: 900px) {
  .portfolio-preview__grid {
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto;
  }
  .portfolio-item:first-child { grid-row: auto; }
}

@media (max-width: 560px) {
  .portfolio-preview__grid { grid-template-columns: 1fr; }
}

/* ---- COURSES TEASER ---- */
.courses-teaser {
  background: var(--color-bg);
}

.courses-teaser__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-20);
  align-items: center;
}

@media (max-width: 900px) {
  .courses-teaser__inner { grid-template-columns: 1fr; gap: var(--space-10); }
}

.courses-teaser__visual img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  object-fit: cover;
  aspect-ratio: 4/3;
}

.courses-teaser__features {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.courses-feature {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-muted);
}

.courses-feature svg {
  color: var(--color-primary);
}

/* ---- CTA BANNER ---- */
.cta-banner {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
  padding: var(--space-12) var(--space-12);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.cta-banner__inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 100% at 0% 50%, var(--color-primary-glow) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner__content h2 {
  font-family: var(--font-display, sans-serif);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.cta-banner__content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 640px) {
  .cta-banner__inner {
    flex-direction: column;
    text-align: center;
    padding: var(--space-8);
  }
  .hero__stat-divider { display: none; }
  .hero__stats { gap: var(--space-6); }
}