/* Portfolio Page Styles */

/* ===== Portfolio Hero ===== */
.portfolio-hero {
  min-height: 50vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding: 120px 0 60px;
}

.portfolio-hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 100% 80% at 50% -30%, rgba(59, 130, 246, 0.2), transparent),
    radial-gradient(ellipse 80% 60% at 80% 80%, rgba(6, 182, 212, 0.15), transparent),
    radial-gradient(ellipse 60% 50% at 20% 60%, rgba(139, 92, 246, 0.1), transparent);
  z-index: -2;
}

.portfolio-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(59, 130, 246, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(59, 130, 246, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  z-index: -1;
  mask-image: radial-gradient(ellipse 100% 80% at 50% 50%, black, transparent);
  -webkit-mask-image: radial-gradient(ellipse 100% 80% at 50% 50%, black, transparent);
  animation: gridFloat 20s linear infinite;
}

@keyframes gridFloat {
  0% { transform: translateY(0); }
  100% { transform: translateY(40px); }
}

.portfolio-hero__content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.portfolio-hero__title {
  font-size: var(--text-5xl);
  font-weight: var(--font-extrabold);
  line-height: 1.1;
  margin-bottom: var(--space-6);
  letter-spacing: -0.02em;
}

.portfolio-hero__title span {
  background: var(--color-accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.portfolio-hero__subtitle {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* ===== Portfolio Section ===== */
.portfolio-section {
  padding: var(--space-20) 0;
  position: relative;
}

.portfolio-section--alt {
  background: var(--color-bg-secondary);
}

.portfolio-section__header {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  margin-bottom: var(--space-12);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--color-border);
}

.portfolio-section__icon {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xl);
  position: relative;
  overflow: hidden;
}

.portfolio-section__icon svg {
  width: 36px;
  height: 36px;
  stroke-width: 1.5;
  fill: none;
  position: relative;
  z-index: 1;
}

.portfolio-section__icon--blockchain {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.05));
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.portfolio-section__icon--blockchain svg { stroke: #F59E0B; }

.portfolio-section__icon--ai {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.05));
  border: 1px solid rgba(139, 92, 246, 0.3);
}
.portfolio-section__icon--ai svg { stroke: #8B5CF6; }

.portfolio-section__info {
  flex: 1;
}

.portfolio-section__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
}

.portfolio-section__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
}

/* ===== Portfolio Feature (Main Project Showcase) ===== */
.portfolio-showcase {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.portfolio-feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: start;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.02) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  transition: all var(--transition-normal);
}

.portfolio-feature:hover {
  border-color: rgba(245, 158, 11, 0.3);
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3), 0 0 60px rgba(245, 158, 11, 0.1);
}

.portfolio-feature__image {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.portfolio-feature__image img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-xl);
}

.portfolio-feature__badge {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
}

.badge--winner {
  background: linear-gradient(135deg, #F59E0B, #D97706);
  color: white;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
}

.portfolio-feature__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.portfolio-feature__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.portfolio-feature__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  line-height: 1.2;
}

.portfolio-feature__subtitle {
  font-size: var(--text-lg);
  color: var(--color-accent-primary);
  font-weight: var(--font-medium);
}

.portfolio-feature__description {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  line-height: 1.7;
}

.portfolio-feature__highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

.highlight-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
}

.highlight-item:hover {
  background: rgba(245, 158, 11, 0.05);
  border-color: rgba(245, 158, 11, 0.2);
}

.highlight-item__icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.2);
  border-radius: var(--radius-md);
}

.highlight-item__icon svg {
  width: 20px;
  height: 20px;
  stroke: #F59E0B;
  stroke-width: 2;
  fill: none;
}

.highlight-item__content h4 {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.highlight-item__content p {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ===== Tags ===== */
.tag {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  font-size: 11px;
  font-weight: var(--font-semibold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.tag--solidity { background: rgba(98, 126, 234, 0.15); color: #627EEA; border: 1px solid rgba(98, 126, 234, 0.3); }
.tag--react { background: rgba(97, 218, 251, 0.15); color: #61DAFB; border: 1px solid rgba(97, 218, 251, 0.3); }
.tag--privy { background: rgba(139, 92, 246, 0.15); color: #8B5CF6; border: 1px solid rgba(139, 92, 246, 0.3); }
.tag--twitter { background: rgba(29, 161, 242, 0.15); color: #1DA1F2; border: 1px solid rgba(29, 161, 242, 0.3); }

/* ===== Enterprise Section ===== */
.portfolio-enterprise {
  display: flex;
  flex-direction: column;
  gap: var(--space-12);
}

.enterprise-intro {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.enterprise-intro__text {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.enterprise-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8);
}

.enterprise-card {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.08) 0%,
    rgba(255, 255, 255, 0.02) 100%
  );
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  transition: all var(--transition-normal);
}

.enterprise-card:hover {
  transform: translateY(-4px);
  border-color: rgba(139, 92, 246, 0.3);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 40px rgba(139, 92, 246, 0.1);
}

.enterprise-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-6);
}

.enterprise-card__icon svg {
  width: 28px;
  height: 28px;
  stroke-width: 1.5;
  fill: none;
}

.enterprise-card__icon--genai {
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(139, 92, 246, 0.05));
  border: 1px solid rgba(139, 92, 246, 0.3);
}
.enterprise-card__icon--genai svg { stroke: #8B5CF6; }

.enterprise-card__icon--deeplearning {
  background: linear-gradient(135deg, rgba(236, 72, 153, 0.2), rgba(236, 72, 153, 0.05));
  border: 1px solid rgba(236, 72, 153, 0.3);
}
.enterprise-card__icon--deeplearning svg { stroke: #EC4899; }

.enterprise-card__icon--supplychain {
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.05));
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.enterprise-card__icon--supplychain svg { stroke: #10B981; }

.enterprise-card__icon--finance {
  background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.05));
  border: 1px solid rgba(59, 130, 246, 0.3);
}
.enterprise-card__icon--finance svg { stroke: #3B82F6; }

.enterprise-card__icon--blockchain {
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.2), rgba(245, 158, 11, 0.05));
  border: 1px solid rgba(245, 158, 11, 0.3);
}
.enterprise-card__icon--blockchain svg { stroke: #F59E0B; }

.enterprise-card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
}

.enterprise-card__subtitle {
  font-size: var(--text-sm);
  color: var(--color-accent-primary);
  margin-bottom: var(--space-4);
}

.enterprise-card__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.enterprise-card__list li {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-md);
  border-left: 3px solid rgba(139, 92, 246, 0.5);
  transition: all var(--transition-fast);
}

.enterprise-card__list li:hover {
  background: rgba(139, 92, 246, 0.05);
  border-left-color: #8B5CF6;
}

.enterprise-card__list li strong {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--color-text-primary);
}

.enterprise-card__list li span {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* ===== Header Dark ===== */
.header--dark {
  background: rgba(10, 15, 28, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}

.nav__link--active {
  color: var(--color-text-primary);
}

.nav__link--active::after {
  width: 100%;
}

/* ===== Footer Address ===== */
.footer__address {
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  max-width: 500px;
  line-height: 1.6;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .portfolio-feature {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .enterprise-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .portfolio-hero {
    padding: 100px 0 40px;
    min-height: auto;
  }

  .portfolio-hero__title {
    font-size: var(--text-4xl);
  }

  .portfolio-section__header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-4);
  }

  .portfolio-feature {
    padding: var(--space-6);
  }

  .portfolio-feature__title {
    font-size: var(--text-2xl);
  }

  .enterprise-card {
    padding: var(--space-6);
  }
}