/* ==========================================================================
   Wade Rocco Portfolio - Main Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables / Design System
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --color-bg-primary: #232323;
  --color-bg-secondary: #1a1a1a;
  --color-bg-card: #2d2d2d;
  --color-bg-card-hover: #363636;
  --color-text-primary: #cdcdcd;
  --color-text-secondary: #9e9e9e;
  --color-text-heading: #ffffff;
  --color-accent: #009688;
  --color-accent-light: #4db6ac;
  --color-accent-dark: #00796b;
  --color-border: #404040;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #1a1a1a 0%, #232323 50%, #1a1a1a 100%);
  --gradient-accent: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-light) 100%);

  /* Typography */
  --font-primary: "Avenir Next", "Avenir", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 2.5rem;
  --font-size-5xl: 3rem;
  --font-size-hero: clamp(2.5rem, 5vw, 4rem);

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;
  --spacing-4xl: 6rem;
  --section-padding: 6rem;

  /* Layout */
  --container-max-width: 1200px;
  --container-padding: 1.5rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.5);

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 50%;
}

/* --------------------------------------------------------------------------
   Reset & Base Styles
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent-light);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--color-accent);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text-heading);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
  margin-bottom: var(--spacing-md);
}

/* --------------------------------------------------------------------------
   Utility Classes
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--section-padding) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-3xl);
}

.section-title h2 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--spacing-md);
}

.section-title p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  max-width: 600px;
  margin: 0 auto;
}

.text-center { text-align: center; }
.text-accent { color: var(--color-accent-light); }

/* --------------------------------------------------------------------------
   Navigation
   -------------------------------------------------------------------------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transform: translateY(-100%);
  transition: transform var(--transition-base);
  border-bottom: 1px solid var(--color-border);
}

.nav.visible {
  transform: translateY(0);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) var(--container-padding);
  max-width: var(--container-max-width);
  margin: 0 auto;
}

.nav-logo {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--color-text-heading);
}

.nav-links {
  display: flex;
  gap: var(--spacing-xl);
  list-style: none;
}

.nav-link {
  color: var(--color-text-primary);
  font-size: var(--font-size-sm);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--spacing-sm) 0;
  position: relative;
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--spacing-sm);
}

.nav-toggle span {
  width: 25px;
  height: 2px;
  background-color: var(--color-text-primary);
  transition: var(--transition-base);
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background-color: rgba(26, 26, 26, 0.98);
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-base);
  }

  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  background: var(--gradient-hero);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 80%, rgba(0, 150, 136, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(77, 182, 172, 0.08) 0%, transparent 50%);
  pointer-events: none;
}

.hero-content {
  text-align: center;
  padding: var(--spacing-xl);
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.hero-title {
  font-size: var(--font-size-hero);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease forwards;
}

.hero-title .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero-name {
  font-size: var(--font-size-lg);
  color: var(--color-accent-light);
  font-weight: 500;
  margin-bottom: var(--spacing-md);
  opacity: 0;
  transform: translateY(30px);
  animation: fadeInUp 0.8s ease 0.4s forwards;
}

.scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0;
  animation: fadeIn 1s ease 1s forwards;
}

.scroll-indicator a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-sm);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.scroll-indicator .chevron {
  animation: bounce 2s infinite;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  to {
    opacity: 1;
  }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(10px);
  }
  60% {
    transform: translateY(5px);
  }
}

/* --------------------------------------------------------------------------
   Value Proposition Section
   -------------------------------------------------------------------------- */
.value-props {
  background-color: var(--color-bg-secondary);
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
}

.value-card {
  text-align: center;
  padding: var(--spacing-2xl);
}

.value-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-accent);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-2xl);
  color: white;
}

.value-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-md);
}

.value-card p {
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Career Timeline Section
   -------------------------------------------------------------------------- */
.timeline-section {
  background-color: var(--color-bg-primary);
}

.timeline {
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--color-accent) 10%,
    var(--color-accent) 90%,
    transparent
  );
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: calc(50% + 30px);
  position: relative;
  margin-bottom: var(--spacing-3xl);
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: calc(50% + 30px);
}

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background-color: var(--color-accent);
  border: 3px solid var(--color-bg-primary);
  border-radius: var(--radius-full);
  z-index: 1;
}

.timeline-card {
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 450px;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  color: #333333;
}

.timeline-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.timeline-logo {
  height: 35px;
  max-width: 150px;
  width: auto;
  margin-bottom: var(--spacing-md);
  object-fit: contain;
}

.timeline-date {
  display: inline-block;
  color: var(--color-accent);
  font-size: var(--font-size-sm);
  font-weight: 500;
  margin-bottom: var(--spacing-sm);
}

.timeline-card h3 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--spacing-xs);
  color: #222222;
}

.timeline-company {
  color: #666666;
  font-size: var(--font-size-sm);
  margin-bottom: var(--spacing-md);
}

.timeline-card p {
  color: #555555;
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* Mobile Timeline */
@media (max-width: 768px) {
  .timeline::before {
    left: 20px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    padding-left: 50px;
    padding-right: 0;
    justify-content: flex-start;
  }

  .timeline-dot {
    left: 20px;
  }

  .timeline-card {
    max-width: 100%;
  }
}

/* --------------------------------------------------------------------------
   Expertise Section
   -------------------------------------------------------------------------- */
.expertise-section {
  background-color: var(--color-bg-secondary);
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-xl);
}

.expertise-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  text-align: center;
  transition: transform var(--transition-base), background-color var(--transition-base);
  border: 1px solid transparent;
}

.expertise-card:hover {
  transform: translateY(-5px);
  background-color: var(--color-bg-card-hover);
  border-color: var(--color-accent);
}

.expertise-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 150, 136, 0.1);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-3xl);
  color: var(--color-accent-light);
  transition: background-color var(--transition-base);
}

.expertise-card:hover .expertise-icon {
  background-color: rgba(0, 150, 136, 0.2);
}

.expertise-card h3 {
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-md);
}

.expertise-card p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

@media (max-width: 992px) {
  .expertise-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .expertise-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   Impact Section
   -------------------------------------------------------------------------- */
.impact-section {
  background-color: var(--color-bg-primary);
  position: relative;
}

.impact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-2xl);
}

.impact-card {
  background-color: var(--color-bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  border-left: 4px solid var(--color-accent);
}

.impact-card blockquote {
  font-size: var(--font-size-lg);
  font-style: italic;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
  line-height: 1.7;
}

.impact-card cite {
  color: var(--color-accent-light);
  font-size: var(--font-size-sm);
  font-style: normal;
}

@media (max-width: 768px) {
  .impact-grid {
    grid-template-columns: 1fr;
  }
}

/* --------------------------------------------------------------------------
   About Section
   -------------------------------------------------------------------------- */
.about-section {
  background-color: var(--color-bg-secondary);
}

.about-content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
}

.about-image {
  position: relative;
}

.about-image img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
}

.about-image::before {
  content: '';
  position: absolute;
  top: -15px;
  left: -15px;
  right: 15px;
  bottom: 15px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-lg);
  z-index: -1;
}

.about-text h2 {
  margin-bottom: var(--spacing-lg);
}

.about-text p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-lg);
  margin-bottom: var(--spacing-lg);
}

.about-text .lead {
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
}

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .about-image {
    max-width: 250px;
    margin: 0 auto;
  }

  .about-image::before {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact-section {
  background-color: var(--color-bg-primary);
  text-align: center;
}

.contact-content {
  max-width: 600px;
  margin: 0 auto;
}

.contact-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-2xl);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.contact-item i {
  font-size: var(--font-size-xl);
  color: var(--color-accent-light);
}

.contact-item span {
  color: var(--color-text-secondary);
}

.contact-item a {
  color: var(--color-text-primary);
}

.contact-item a:hover {
  color: var(--color-accent-light);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.social-link {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-bg-card);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
  color: var(--color-text-primary);
  transition: background-color var(--transition-base), transform var(--transition-base);
}

.social-link:hover {
  background-color: var(--color-accent);
  color: white;
  transform: translateY(-3px);
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
  background-color: var(--color-bg-secondary);
  padding: var(--spacing-xl) 0;
  text-align: center;
  border-top: 1px solid var(--color-border);
}

.footer p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
  margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   AOS Customization
   -------------------------------------------------------------------------- */
[data-aos] {
  pointer-events: none;
}

[data-aos].aos-animate {
  pointer-events: auto;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  html {
    scroll-behavior: auto;
  }

  [data-aos] {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* --------------------------------------------------------------------------
   Focus States for Accessibility
   -------------------------------------------------------------------------- */
a:focus,
button:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-accent);
  color: white;
  padding: var(--spacing-sm) var(--spacing-md);
  z-index: 9999;
  transition: top var(--transition-fast);
}

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