/* ===== First Screen Layout ===== */
.first-screen-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-height);
  padding-bottom: 60px;
  overflow: hidden;
  background: linear-gradient(160deg, var(--color-primary) 0%, #1A3A5C 100%);
}

.hero__canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
}

.hero__content {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 0 24px;
}

.hero__title {
  font-size: 3.25rem;
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: 2px;
  color: #FFFFFF;
}

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

.hero__desc {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 40px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

.hero__btns {
  display: flex;
  gap: 16px;
  justify-content: center;
}


/* ===== Section Navigation ===== */
.section-nav {
  position: fixed;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 100;
  display: flex;
  flex-direction: column;
  gap: 16px;
  list-style: none;
}

.section-nav__item {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.2);
  border: 2px solid rgba(255, 255, 255, 0.85);
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.25), inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.section-nav__item.active, .section-nav__item:hover {
  background-color: var(--color-accent);
  border-color: #ffffff;
  transform: scale(1.3);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.5);
}

.section-nav__item::after {
  content: attr(title);
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.75);
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, right 0.3s ease;
}

.section-nav__item:hover::after {
  opacity: 1;
  right: 20px;
}

/* ===== Services Overview ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--color-secondary);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card-hover);
}

.service-card__icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border-radius: 12px;
}

.service-card__icon svg {
  width: 28px;
  height: 28px;
  fill: var(--color-text);
}

.service-card__title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.service-card__desc {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== Featured Cases ===== */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.case-card {
  background: var(--color-secondary);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid transparent;
  transition: all var(--transition);
}

.case-card:hover {
  transform: translateY(-8px);
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card-hover);
}

.case-card__img {
  width: 100%;
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
}

.case-card__img svg {
  width: 48px;
  height: 48px;
  fill: var(--color-accent);
  opacity: 0.5;
}

.case-card__body {
  padding: 20px;
}

.case-card__tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.75rem;
  background: rgba(45, 124, 255, 0.15);
  color: var(--color-accent);
  border-radius: 4px;
  margin-bottom: 8px;
}

.case-card__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.case-card__desc {
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* ===== Stats / Brand Advantages ===== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.stat-item {
  text-align: center;
  padding: 32px 16px;
}

.stat-item__icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-item__icon svg {
  width: 48px;
  height: 48px;
  fill: var(--color-accent);
}

.stat-item__number {
  font-family: var(--font-number);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.stat-item__label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* ===== Contact Section ===== */
.contact-section {
  background: var(--color-bg-light);
  position: relative;
  overflow: hidden;
}

/* Decorative Background Elements */
.contact-section::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.contact-section::after {
  content: '';
  position: absolute;
  bottom: -100px;
  left: -100px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, transparent 70%);
  border-radius: 50%;
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 48px;
  position: relative;
  z-index: 1;
}

.contact-item {
  text-align: center;
  padding: 40px 30px;
  background: var(--color-secondary);
  border-radius: 20px;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}

.contact-item:hover {
  transform: translateY(-8px);
  background: #FFFFFF;
  border-color: var(--color-accent);
  box-shadow: var(--shadow-card-hover);
}

.contact-item__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(37, 99, 235, 0.1);
  border-radius: 50%;
  transition: all var(--transition);
}

.contact-item:hover .contact-item__icon {
  background: var(--color-accent);
  transform: scale(1.1);
}

.contact-item__icon svg {
  width: 32px;
  height: 32px;
  fill: var(--color-accent);
  transition: fill var(--transition);
}

.contact-item:hover .contact-item__icon svg {
  fill: #FFFFFF;
}

.contact-item__title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}

.contact-item__value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text);
  font-family: var(--font-number);
}

.contact-cta {
  text-align: center;
  position: relative;
  z-index: 1;
}

.contact-cta .btn {
  padding: 14px 40px;
  font-size: 1.0625rem;
  border-radius: 30px;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .hero__title {
    font-size: 2rem;
  }
  .hero__desc {
    font-size: 0.9375rem;
  }
  .hero__btns {
    flex-direction: column;
    align-items: center;
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .cases-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}