/* ========================================
   GLOBAL STYLES
   ======================================== */

body {
  font-family: var(--font-family-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  color: var(--color-primary);
  background-color: var(--color-background);
  line-height: var(--line-height-normal);
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.container {
  width: 100%;
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--color-accent);
  color: white;
  padding: var(--space-sm);
  z-index: var(--z-modal);
  text-decoration: underline;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 0;
}

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

.nav {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: var(--border-width) solid var(--color-border);
  z-index: var(--z-nav);
  padding: var(--space-sm) 0;
}

.nav__container {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  justify-content: center;
  gap: var(--space-lg);
}

.nav__link {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--color-secondary);
  transition: color var(--transition-base);
  position: relative;
  padding: var(--space-xs) 0;
}

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

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

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

/* Focus styles for accessibility */
.nav__link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--border-radius-sm);
}

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

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: var(--space-3xl) 0;
  margin-top: 60px; /* Account for fixed nav */
}

.hero__container {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0rem;
  align-items: center;
}

.hero__content {
  text-align: center;
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__greeting {
  display: block;
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-light);
  color: var(--color-secondary);
  margin-bottom: var(--space-sm);
}

.hero__name {
  display: block;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-md);
}

.hero__tagline {
  font-size: var(--font-size-lg);
  color: var(--color-secondary);
  max-width: var(--max-width-narrow);
  margin: 0 auto var(--space-xl);
  line-height: var(--line-height-normal);
}

.hero__cta {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  flex-wrap: wrap;
}

.hero__image {
  display: flex;
  justify-content: center;
}

.profile-image {
  width: 300px;
  height: 300px;
  border-radius: var(--border-radius-full);
  object-fit: cover;
  box-shadow: var(--shadow-lg);
  transition: transform var(--transition-base);
}

.profile-image:hover {
  transform: scale(1.02);
}

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

.btn {
  display: inline-block;
  padding: var(--space-sm) var(--space-lg);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  text-align: center;
  border-radius: var(--border-radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  border: var(--border-width-thick) solid transparent;
}

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

.btn--primary:hover {
  background: #0052CC;
  border-color: #0052CC;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn--secondary:hover {
  background: var(--color-primary);
  color: white;
  transform: translateY(-2px);
}

/* Focus styles for accessibility */
.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
  padding: var(--space-3xl) 0;
  background: var(--color-surface);
}

.about__container {
  max-width: var(--max-width-content);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.about__title {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  text-align: center;
  margin-bottom: var(--space-xl);
  color: var(--color-primary);
  line-height: var(--line-height-tight);
}

.about__content {
  width: 100%;
}

.about__text p {
  margin-bottom: var(--space-md);
  color: var(--color-secondary);
  line-height: var(--line-height-relaxed);
}

.about__text p:last-child {
  margin-bottom: 0;
}

.about__skills {
  margin-top: var(--space-xl);
  padding-top: var(--space-xl);
  border-top: var(--border-width) solid var(--color-border);
}

.about__subtitle {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--space-md);
  color: var(--color-primary);
}

.skills-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.skill-item {
  padding: var(--space-xs) var(--space-md);
  background: white;
  border: var(--border-width) solid var(--color-border);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-sm);
  color: var(--color-secondary);
  transition: all var(--transition-base);
}

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

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

.footer {
  padding: var(--space-xl) 0;
  background: var(--color-background);
  border-top: var(--border-width) solid var(--color-border);
}

.footer__container {
  max-width: var(--max-width-container);
  margin: 0 auto;
  padding: 0 var(--space-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.footer__social {
  display: flex;
  gap: var(--space-md);
}

.social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-full);
  background: var(--color-surface);
  color: var(--color-secondary);
  transition: all var(--transition-base);
}

.social-link:hover {
  background: var(--color-accent);
  color: white;
  transform: translateY(-2px);
}

.social-link:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
}

.social-link svg {
  width: 20px;
  height: 20px;
  fill: currentColor;
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

/* Tablet (768px and up) */
@media (min-width: 768px) {
  .hero__container {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .hero__content {
    text-align: left;
  }

  .hero__tagline {
    margin-left: 0;
    margin-right: 0;
  }

  .hero__cta {
    justify-content: flex-start;
  }

  .footer__container {
    flex-direction: row;
    justify-content: space-between;
  }
}

/* Desktop (1024px and up) */
@media (min-width: 1024px) {
  .profile-image {
    width: 400px;
    height: 400px;
  }

  .nav__container {
    gap: var(--space-2xl);
  }
}

/* ========================================
   ACCESSIBILITY - REDUCED MOTION
   ======================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  html {
    scroll-behavior: auto;
  }
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {
  .nav,
  .hero__cta,
  .footer__social {
    display: none;
  }

  body {
    color: black;
    background: white;
  }

  .hero {
    margin-top: 0;
    min-height: auto;
  }
}

/* Top Left Headshot */
.corner-headshot {
  position: absolute;
  top: 20px;
  left: 20px;
  z-index: 1000;
}

.corner-headshot__image {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  object-fit: cover;
}

/* Video Placeholder */
.video-placeholder {
  width: 100%;
  max-width: 480px;
  aspect-ratio: 16 / 9;
  background: #111;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-weight: 600;
}

/* Make hero__image stack vertically (video + buttons) */
.hero__image {
  display: flex;
  flex-direction: column; /* stack video and buttons */
  align-items: center;    /* center horizontally */
  gap: 3rem;             /* more space between video and buttons */
}

.video-placeholder {
  width: 100%;
  max-width: 960px;
  aspect-ratio: 16 / 9;
  margin: 0 auto;
  background: #111;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-weight: 600;
}