/* ================================
   Gina Moore - Personal Portfolio
   CSS Design System
   ================================ */

/* CSS Variables */
:root {
  /* Colors - Warm professional palette */
  --color-primary: #2c5282;      /* Deep blue */
  --color-primary-light: #4299e1;
  --color-primary-dark: #1a365d;
  --color-accent: #d69e2e;       /* Warm gold */
  --color-accent-light: #ecc94b;

  --color-text: #2d3748;
  --color-text-light: #4a5568;
  --color-text-muted: #718096;

  --color-bg: #ffffff;
  --color-bg-alt: #f7fafc;
  --color-bg-dark: #1a202c;

  --color-border: #e2e8f0;

  /* Typography */
  --font-heading: 'Georgia', serif;
  --font-body: 'Segoe UI', system-ui, -apple-system, sans-serif;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 5rem;

  /* Container */
  --container-max: 1200px;
  --container-narrow: 800px;

  /* Transitions */
  --transition: 0.3s ease;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 600;
  line-height: 1.3;
  color: var(--color-primary-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-light);
}

/* Layout */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

section {
  padding: var(--space-2xl) 0;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: var(--shadow-md);
}

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

.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-primary-dark);
}

.nav__links {
  display: flex;
  gap: var(--space-lg);
  list-style: none;
}

.nav__link {
  color: var(--color-text);
  font-weight: 500;
  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);
}

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

.nav__toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-sm);
}

.nav__toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  margin: 5px 0;
  transition: var(--transition);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 80px;
  background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-alt) 100%);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}

.hero__content {
  animation: fadeInUp 0.8s ease;
}

.hero__greeting {
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
}

.hero__title {
  font-size: 3.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-primary-dark);
}

.hero__subtitle {
  font-size: 1.5rem;
  color: var(--color-text-light);
  margin-bottom: var(--space-lg);
}

.hero__description {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
  max-width: 500px;
}

.hero__image {
  display: flex;
  justify-content: center;
  animation: fadeIn 1s ease;
}

.hero__image img {
  width: 100%;
  max-width: 400px;
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-bg);
}

.hero__placeholder {
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 6rem;
  font-family: var(--font-heading);
  box-shadow: var(--shadow-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-md) var(--space-lg);
  border-radius: 4px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
}

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

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: white;
}

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

.btn--outline:hover {
  background: var(--color-primary);
  color: white;
}

.btn-group {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Highlights / Stats */
.highlights {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.highlights__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-lg);
  text-align: center;
}

.highlight__number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  font-family: var(--font-heading);
}

.highlight__label {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Section Headers */
.section__header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.section__label {
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
}

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

.section__description {
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* About Section */
.about__inner {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-2xl);
  align-items: start;
}

.about__content p {
  font-size: 1.125rem;
  color: var(--color-text-light);
}

.about__sidebar {
  background: var(--color-bg-alt);
  padding: var(--space-lg);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.about__sidebar h3 {
  margin-bottom: var(--space-md);
  font-size: 1.125rem;
}

.about__list {
  list-style: none;
}

.about__list li {
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.about__list li:last-child {
  border-bottom: none;
}

/* Timeline */
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: var(--color-border);
}

.timeline__item {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
  position: relative;
}

.timeline__item::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 3px solid var(--color-bg);
  box-shadow: var(--shadow-sm);
}

.timeline__date {
  text-align: right;
  padding-right: var(--space-xl);
}

.timeline__date span {
  background: var(--color-primary);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 600;
}

.timeline__content {
  padding-left: var(--space-xl);
}

.timeline__company {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-xs);
}

.timeline__role {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
}

.timeline__description {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
}

.card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: var(--space-lg);
  transition: all var(--transition);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.card__icon {
  width: 60px;
  height: 60px;
  background: var(--color-bg-alt);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
}

.card__title {
  margin-bottom: var(--space-sm);
}

.card__subtitle {
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.875rem;
  margin-bottom: var(--space-sm);
}

.card__description {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Community Section */
.community {
  background: var(--color-bg-alt);
}

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

.community__item {
  background: var(--color-bg);
  padding: var(--space-xl);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.community__icon {
  font-size: 3rem;
  margin-bottom: var(--space-md);
}

.community__years {
  display: inline-block;
  background: var(--color-accent);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
}

/* Skills */
.skills__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
}

.skill__category h4 {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-sm);
  border-bottom: 2px solid var(--color-accent);
}

.skill__list {
  list-style: none;
}

.skill__list li {
  padding: var(--space-sm) 0;
  color: var(--color-text-light);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.skill__list li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* Contact */
.contact {
  background: var(--color-primary-dark);
  color: white;
}

.contact .section__label {
  color: var(--color-accent-light);
}

.contact .section__title {
  color: white;
}

.contact .section__description {
  color: rgba(255,255,255,0.8);
}

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

.contact__link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: white;
  font-size: 1.125rem;
  padding: var(--space-md);
  transition: color var(--transition);
}

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

.contact__link svg {
  width: 24px;
  height: 24px;
}

/* Footer */
.footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.6);
  padding: var(--space-lg) 0;
  text-align: center;
  font-size: 0.875rem;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 992px) {
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__content {
    order: 2;
  }

  .hero__image {
    order: 1;
  }

  .hero__description {
    margin: 0 auto var(--space-xl);
  }

  .btn-group {
    justify-content: center;
  }

  .highlights__grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .timeline::before {
    left: 0;
  }

  .timeline__item {
    grid-template-columns: 1fr;
    padding-left: var(--space-xl);
  }

  .timeline__item::before {
    left: 0;
  }

  .timeline__date {
    text-align: left;
    padding-right: 0;
    margin-bottom: var(--space-sm);
  }

  .timeline__content {
    padding-left: 0;
  }

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

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  .nav__links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    flex-direction: column;
    padding: var(--space-lg);
    gap: var(--space-md);
    border-bottom: 1px solid var(--color-border);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
  }

  .nav__links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav__toggle {
    display: block;
  }

  .hero__title {
    font-size: 2.5rem;
  }

  .hero__placeholder {
    width: 200px;
    height: 200px;
    font-size: 4rem;
  }

  .highlights__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
  }

  .highlight__number {
    font-size: 2rem;
  }

  section {
    padding: var(--space-xl) 0;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 2rem;
  }

  .hero__subtitle {
    font-size: 1.25rem;
  }

  .btn-group {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    justify-content: center;
  }

  .contact__links {
    flex-direction: column;
    align-items: center;
  }
}