/* ============================================
   Components — Nav, Hero, Cards, Form, Footer
   ============================================ */

/* ================================================
   NAVIGATION
   ================================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  background: rgba(247, 247, 244, 0.5);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.04);
  transition: background var(--transition-base), border-color var(--transition-base);
}

.nav.scrolled {
  background: rgba(247, 247, 244, 0.8);
  border-bottom-color: var(--color-border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1000px;
}

.nav__logo {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
  margin-left: auto;
}

.nav__link {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  position: relative;
  padding-bottom: 2px;
  transition: color var(--transition-fast);
}

.nav__link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: width var(--transition-base);
  border-radius: 1px;
}

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

.nav__link:hover::after,
.nav__link.active::after {
  width: 100%;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 24px;
  padding: 4px 0;
  z-index: calc(var(--z-overlay) + 1);
}

.nav__hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background-color: var(--color-text-primary);
  border-radius: 1px;
  transition: all var(--transition-base);
  transform-origin: center;
}

/* Hamburger open state */
.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}

.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile nav */
@media (max-width: 768px) {
  .nav__hamburger {
    display: flex;
  }

  .nav__links {
    position: fixed;
    top: 0;
    right: 0;
    width: 280px;
    height: 100dvh;
    flex-direction: column;
    justify-content: center;
    gap: var(--space-xl);
    background-color: var(--color-surface);
    border-left: 1px solid var(--color-border);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-slow);
    z-index: var(--z-overlay);
  }

  .nav__links.open {
    transform: translateX(0);
  }

  .nav__link {
    font-size: var(--text-lg);
  }

  /* Overlay */
  .nav__overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-slow), visibility var(--transition-slow);
    z-index: calc(var(--z-overlay) - 1);
  }

  .nav__overlay.open {
    opacity: 1;
    visibility: visible;
  }
}

/* ================================================
   HERO SECTION
   ================================================ */

.hero {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  padding-bottom: 12vh;
  background-color: var(--color-bg-hero);
  position: relative;
  overflow: hidden;
}

/* Hero background image */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../assets/background.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 1;
  z-index: 0;
}

/* Subtle gradient overlay for text readability */
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
      rgba(255, 255, 255, 0.85) 0%,
      rgba(255, 255, 255, 0.5) 50%,
      rgba(255, 255, 255, 0.3) 100%);
  z-index: 0;
}

.hero__content {
  width: 100%;
  padding-left: 16%;
  position: relative;
  z-index: 1;
}

.hero__label {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.02em;
}

.hero__name {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: var(--font-weight-bold);
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  color: var(--color-text-primary);
}

.hero__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 55ch;
  margin-bottom: var(--space-2xl);
  line-height: var(--line-height-loose);
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-2xl);
}

.hero__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.01em;
}

.hero__status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-accent);
  position: relative;
}

.hero__status-dot::before {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 1.5px solid var(--color-accent);
  animation: pulse-ring 2s ease-out infinite;
}

@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.6;
  }

  70% {
    transform: scale(1.8);
    opacity: 0;
  }

  100% {
    transform: scale(1.8);
    opacity: 0;
  }
}

/* Hero staggered entrance */
.hero__label,
.hero__name,
.hero__description,
.hero__actions {
  opacity: 0;
  transform: translateY(20px);
  animation: hero-fade-up 0.6s ease forwards;
}

.hero__label {
  animation-delay: 0.1s;
}

.hero__name {
  animation-delay: 0.25s;
}

.hero__description {
  animation-delay: 0.4s;
}

.hero__actions {
  animation-delay: 0.55s;
}

@keyframes hero-fade-up {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ================================================
   BUTTONS
   ================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  border: 1.5px solid transparent;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #FFFFFF;
  border-color: var(--color-accent);
}

.btn--primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: #FFFFFF;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-text-muted);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.btn svg {
  width: 16px;
  height: 16px;
}

/* ================================================
   ABOUT — SIMPLE (Photo + Text)
   ================================================ */

.about-simple {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
  padding-left: var(--space-3xl);
}

.about-simple__photo {
  flex-shrink: 0;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-accent-dim);
  box-shadow: var(--shadow-md);
  background-color: var(--color-tag-bg);
}

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

.about-simple__content {
  flex: 1;
}

.about-simple__name {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.about-simple__role {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  margin-bottom: var(--space-lg);
  letter-spacing: 0.02em;
}

.about-simple__bio {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-loose);
}

.about-simple__bio+.about-simple__bio {
  margin-top: var(--space-md);
}

@media (max-width: 768px) {
  .about-simple {
    flex-direction: column;
    text-align: center;
    gap: var(--space-xl);
    padding-left: 0;
  }

  .about-simple__photo {
    width: 150px;
    height: 150px;
  }

  .about-simple__bio {
    max-width: 100%;
  }

  .about-simple__tags {
    justify-content: center;
  }
}

/* About status tags */
.about-simple__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.about-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background-color: var(--color-tag-bg);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  letter-spacing: 0.01em;
}

.about-tag svg {
  color: var(--color-accent);
  flex-shrink: 0;
}

.about-tag--link {
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-base);
}

.about-tag--link:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background-color: var(--color-accent-dim);
}

/* ================================================
   PROJECT CARDS
   ================================================ */

.project-card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

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

.project-card__badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-accent);
  background-color: var(--color-accent-dim);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  letter-spacing: 0.02em;
  width: fit-content;
}

.project-card__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
}

.project-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--line-height-loose);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.project-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin-top: auto;
}

.project-card__links {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.project-card__link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

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

.project-card__link svg {
  width: 14px;
  height: 14px;
}

/* ================================================
   TAGS (shared — skills + projects)
   ================================================ */

.tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-tag-text);
  background-color: var(--color-tag-bg);
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  letter-spacing: 0.01em;
  white-space: nowrap;
}

/* ================================================
   SKILLS SECTION
   ================================================ */

.skill-group {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
}

.skill-group__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.skill-group__title svg {
  width: 16px;
  height: 16px;
  color: var(--color-accent);
}

.skill-group__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

/* ================================================
   CONTACT CARDS
   ================================================ */

.contact__heading {
  font-size: var(--text-3xl);
  margin-bottom: var(--space-md);
}

.contact__description {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xl);
  line-height: var(--line-height-loose);
  max-width: 55ch;
}

/* Contact card */
.contact-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  text-decoration: none;
  color: inherit;
}

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

.contact-card__icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background-color: var(--color-accent-dim);
  color: var(--color-accent);
  flex-shrink: 0;
}

.contact-card__icon svg {
  width: 18px;
  height: 18px;
}

.contact-card__title {
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  white-space: nowrap;
}

.contact-card__detail {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
  word-break: break-word;
}

.contact-card__arrow {
  margin-top: auto;
  color: var(--color-text-muted);
  transition: color var(--transition-fast), transform var(--transition-fast);
  flex-shrink: 0;
}

.contact-card__arrow svg {
  width: 16px;
  height: 16px;
}

.contact-card:hover .contact-card__arrow {
  color: var(--color-accent);
  transform: translateX(3px);
}

/* Address — plain text, no card */
.contact__address {
  margin-top: var(--space-xl);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.contact__address-icon {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.contact__address-icon svg {
  width: 16px;
  height: 16px;
}

.contact__address-text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--line-height-normal);
}

.contact__address-label {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-muted);
  letter-spacing: 0.02em;
}

/* ================================================
   FOOTER
   ================================================ */

.footer {
  background-color: var(--color-dark-bg);
  border-top: 1px solid var(--color-dark-border);
  padding: var(--space-xl) 0;
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: center;
}

.footer__copyright {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-dark-text-muted);
}

.footer__socials {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.footer__social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
  transition: all var(--transition-fast);
}

.footer__social-link:hover {
  color: var(--color-accent);
  background-color: var(--color-accent-dim);
}

.footer__social-link svg {
  width: 18px;
  height: 18px;
}

/* ================================================
   SCROLL REVEAL ANIMATION
   ================================================ */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered children */
.reveal[data-delay="1"] {
  transition-delay: 0.1s;
}

.reveal[data-delay="2"] {
  transition-delay: 0.2s;
}

.reveal[data-delay="3"] {
  transition-delay: 0.3s;
}

.reveal[data-delay="4"] {
  transition-delay: 0.4s;
}

.reveal[data-delay="5"] {
  transition-delay: 0.5s;
}

.reveal[data-delay="6"] {
  transition-delay: 0.6s;
}