/* ===================== */
/* Navigation            */
/* ===================== */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  height: var(--nav-height);
  transition: background-color var(--transition-base),
              backdrop-filter var(--transition-base);
}

.nav.is-scrolled {
  background-color: rgba(15, 15, 15, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  gap: var(--space-8);
}

.nav__link {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
  position: relative;
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
}

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

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

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
  color: var(--color-text-primary);
}

.nav__toggle-line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: currentColor;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.nav__toggle-line + .nav__toggle-line {
  margin-top: 6px;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(2) {
  opacity: 0;
}

.nav__toggle[aria-expanded="true"] .nav__toggle-line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ===================== */
/* Hero                  */
/* ===================== */

.hero {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding-top: var(--nav-height);
  position: relative;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-8);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.hero__scroll:hover {
  color: var(--color-accent);
}

.hero__container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-12);
}

.hero__content {
  max-width: 720px;
}

.hero__photo {
  flex-shrink: 0;
  width: 280px;
  height: 280px;
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.hero__photo-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__greeting {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-accent);
  margin-bottom: var(--space-4);
  letter-spacing: 0.05em;
}

.hero__name {
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.hero__tagline {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  line-height: 1.5;
  max-width: 560px;
}

.hero__tagline strong {
  color: var(--color-text-primary);
  font-weight: var(--weight-semibold);
}

/* ===================== */
/* Section Header        */
/* ===================== */

.section-header {
  margin-bottom: var(--space-12);
}

.section-header__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-3);
}

.section-header__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.section-header__description {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  margin-top: var(--space-4);
  max-width: 600px;
  line-height: 1.6;
}

/* ===================== */
/* Cards                 */
/* ===================== */

.card {
  display: block;
  background-color: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  overflow: hidden;
  transition: transform var(--transition-base),
              box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
  border-color: var(--color-accent);
}

.card--private {
  border-style: dashed;
  border-color: var(--color-border-dashed);
}

.card--private:hover {
  border-color: var(--color-accent-warm);
}

.card__header {
  display: flex;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.card__name {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.card__role {
  font-size: var(--text-sm);
  color: var(--color-accent);
  margin-top: var(--space-1);
}

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

.card__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent-warm);
  background-color: rgba(255, 140, 66, 0.1);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ===================== */
/* Tags                  */
/* ===================== */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.tag {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  background-color: rgba(255, 255, 255, 0.05);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.tag--accent {
  color: var(--color-accent);
  border-color: rgba(74, 158, 255, 0.3);
  background-color: rgba(74, 158, 255, 0.08);
}

.tag--warm {
  color: var(--color-accent-warm);
  border-color: rgba(255, 140, 66, 0.3);
  background-color: rgba(255, 140, 66, 0.08);
}

/* ===================== */
/* Content Block         */
/* ===================== */

.content-block {
  margin-bottom: var(--space-10);
}

.content-block:last-child {
  margin-bottom: 0;
}

.content-block__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

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

/* ===================== */
/* Gallery               */
/* ===================== */

.gallery {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  aspect-ratio: 2 / 3;
}

.gallery-placeholder {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.gallery-placeholder--landscape {
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
}

.gallery-placeholder--portrait {
  aspect-ratio: 3 / 4;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d1b2e 50%, #1a1a2e 100%);
}

.gallery-placeholder--square {
  aspect-ratio: 1 / 1;
  background: linear-gradient(135deg, #1a2a1a 0%, #1a1a2e 50%, #2e1a1a 100%);
}

.gallery-item__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-item__label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-4);
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, transparent 100%);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-primary);
}

.gallery-item__category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  display: block;
  margin-bottom: var(--space-1);
}

/* ===================== */
/* Footer                */
/* ===================== */

.footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-6);
  text-align: center;
}

.footer__links {
  display: flex;
  gap: var(--space-6);
}

.footer__link {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-accent);
}

.footer__copy {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}