/* ============================================
   Alex Shannon — Coffee Coder Portfolio
   Clean, modern, bold accent colours
   ============================================ */

:root {
  --accent: #6c47ff;
  --accent-light: #8b6dff;
  --accent-dark: #5035cc;
  --accent-bg: rgba(108, 71, 255, 0.08);
  --teal: #00bcd4;
  --bg: #ffffff;
  --bg-alt: #f8f7ff;
  --text: #1a1a2e;
  --text-muted: #6b6b8a;
  --border: #e8e6f0;
  --card-bg: #ffffff;
  --shadow: 0 4px 24px rgba(108, 71, 255, 0.10);
  --shadow-hover: 0 8px 40px rgba(108, 71, 255, 0.20);
  --radius: 16px;
  --radius-sm: 8px;
  --nav-h: 72px;
  --transition: 0.25s ease;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ---- Utilities ---- */
.accent { color: var(--accent); }
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Navigation ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow); }
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-logo:hover { color: var(--accent); }
.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
}
.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover {
  color: var(--accent);
  background: var(--accent-bg);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- Hero ---- */
.hero {
  min-height: 100vh;
  padding-top: var(--nav-h);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #f8f7ff 0%, #eef0ff 50%, #f0fbff 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(108,71,255,0.12) 0%, transparent 70%);
  top: -200px; right: -200px;
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(0,188,212,0.10) 0%, transparent 70%);
  bottom: -100px; left: -100px;
  pointer-events: none;
}
.hero-content {
  z-index: 1;
  flex: 1;
  max-width: 600px;
  padding: 48px 24px;
  animation: fadeUp 0.8s ease both;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent-bg);
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 99px;
  border: 1px solid rgba(108,71,255,0.2);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.hero-title {
  font-size: clamp(2.4rem, 6vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: var(--text);
}
.hero-tagline {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  font-weight: 400;
}
.hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-visual {
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  animation: fadeUp 0.8s 0.2s ease both;
}
.hero-avatar {
  width: 200px; height: 200px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent) 0%, var(--teal) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  font-weight: 800;
  color: white;
  letter-spacing: -0.04em;
  box-shadow: 0 20px 60px rgba(108,71,255,0.35);
  position: relative;
}
.hero-avatar::after {
  content: '☕';
  position: absolute;
  bottom: 12px; right: 12px;
  font-size: 1.8rem;
  background: white;
  width: 48px; height: 48px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition);
  letter-spacing: 0.01em;
}
.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 16px rgba(108,71,255,0.35);
}
.btn-primary:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(108,71,255,0.45);
}
.btn-outline {
  border-color: var(--accent);
  color: var(--accent);
  background: transparent;
}
.btn-outline:hover {
  background: var(--accent-bg);
  transform: translateY(-2px);
}
.btn-full { width: 100%; }

/* ---- Sections ---- */
.section {
  padding: 100px 0;
}
.section-alt {
  background: var(--bg-alt);
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 12px;
  line-height: 1.15;
}
.section-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-bottom: 56px;
  max-width: 560px;
}

/* ---- About ---- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}
.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 1.05rem;
  line-height: 1.75;
}
.about-text p:last-child { margin-bottom: 0; }
.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 6px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.stat-card:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ---- Skills ---- */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}
.skill-group {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: box-shadow var(--transition), transform var(--transition);
}
.skill-group:hover {
  box-shadow: var(--shadow);
  transform: translateY(-4px);
}
.skill-group-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 16px;
}
.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.skill-tag {
  background: var(--accent-bg);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 5px 12px;
  border-radius: 99px;
  border: 1px solid rgba(108,71,255,0.15);
}

/* ---- Projects ---- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}
.project-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
}
.project-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
  border-color: rgba(108,71,255,0.3);
}
.project-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}
.project-icon { font-size: 2rem; line-height: 1; }
.project-links {
  display: flex;
  gap: 10px;
}
.project-link {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
  display: flex;
  align-items: center;
}
.project-link:hover { color: var(--accent); }
.project-title {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}
.project-desc {
  color: var(--text-muted);
  font-size: 0.93rem;
  line-height: 1.65;
  flex: 1;
}
.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}
.project-tag {
  background: var(--bg-alt);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 99px;
  border: 1px solid var(--border);
}

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: start;
}
.contact-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-icon {
  font-size: 1.4rem;
  width: 44px; height: 44px;
  background: var(--accent-bg);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.contact-item strong {
  display: block;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}
.contact-item a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}
.contact-item a:hover { color: var(--accent); }

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}
.form-group input,
.form-group textarea {
  padding: 12px 16px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit;
  font-size: 0.93rem;
  color: var(--text);
  background: var(--bg);
  transition: border-color var(--transition), box-shadow var(--transition);
  resize: vertical;
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(108,71,255,0.12);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #b0afc8; }
.form-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  min-height: 20px;
}

/* ---- Footer ---- */
.footer {
  background: var(--text);
  color: rgba(255,255,255,0.7);
  text-align: center;
  padding: 40px 24px;
}
.footer p { font-size: 0.9rem; line-height: 1.8; }
.footer-sub { font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* ---- Animations ---- */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .hero { flex-direction: column; text-align: center; padding: calc(var(--nav-h) + 24px) 0 64px; }
  .hero-cta { justify-content: center; }
  .hero-visual { padding-top: 0; }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 680px) {
  .nav-links {
    display: none;
    position: absolute;
    top: var(--nav-h);
    left: 0; right: 0;
    background: white;
    flex-direction: column;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: flex; }
  .section { padding: 72px 0; }
  .hero-avatar { width: 140px; height: 140px; font-size: 2.6rem; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}