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

/* ===== Base ===== */
:root {
  --bg: #f2f2f2;
  --sidebar-bg: #fafafa;
  --text: #111;
  --text-muted: #888;
  --border: #e0e0e0;
}

html {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  overflow: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===== Layout ===== */
.layout {
  display: flex;
  height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
  width: 320px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  align-items: flex-end;
  padding: 40px;
}

.sidebar-content {
  width: 100%;
}

.sidebar-content h1 {
  font-size: 24px;
  font-weight: 700;
  letter-spacing: -0.3px;
  line-height: 1.2;
  margin-bottom: 2px;
}

.role {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 400;
  margin-bottom: 28px;
}

.contact-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 28px;
}

.contact-links a {
  font-size: 14px;
  color: var(--text);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: opacity 0.2s;
}

.contact-links a:hover {
  opacity: 0.5;
}

.contact-links svg {
  flex-shrink: 0;
  opacity: 0.5;
}

.copyright {
  font-size: 11px;
  color: var(--text-muted);
  letter-spacing: 0.2px;
}

/* ===== Content ===== */
.content {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 20px;
  scroll-behavior: smooth;
}

/* subtle scrollbar */
.content::-webkit-scrollbar { width: 6px; }
.content::-webkit-scrollbar-track { background: transparent; }
.content::-webkit-scrollbar-thumb { background: #ccc; border-radius: 3px; }

/* ===== Project Cards ===== */
.project {
  display: block;
  text-decoration: none;
  border-radius: 20px;
  overflow: hidden;
  flex-shrink: 0;
  cursor: pointer;
  position: relative;
  transition: transform 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              box-shadow 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.project:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0,0,0,0.15);
}

.project-disabled {
  cursor: default;
  opacity: 0.7;
}

.project-disabled:hover {
  transform: none;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

/* Color themes */
.project-blue   { background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #1e293b 100%); }
.project-orange  { background: linear-gradient(135deg, #c2410c 0%, #ea580c 50%, #f97316 100%); }
.project-dark    { background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%); }
.project-purple  { background: linear-gradient(135deg, #4338ca 0%, #6366f1 50%, #818cf8 100%); }
.project-teal    { background: linear-gradient(135deg, #134e4a 0%, #0f766e 50%, #14b8a6 100%); }

/* Inner layout: text left, preview right */
.project-inner {
  display: flex;
  align-items: center;
  min-height: 320px;
  padding: 40px;
  gap: 32px;
}

/* Text side */
.project-text {
  flex: 1;
  min-width: 0;
  z-index: 2;
}

.project-text h2 {
  font-size: 26px;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.5px;
  margin-bottom: 8px;
  line-height: 1.2;
}

.project-text p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
  margin-bottom: 20px;
  max-width: 280px;
}

.project-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 8px 16px;
  border-radius: 100px;
  border: 1px solid rgba(255,255,255,0.2);
  transition: all 0.3s ease;
}

.project:hover .project-cta {
  background: rgba(255,255,255,0.25);
  border-color: rgba(255,255,255,0.4);
  gap: 10px;
}

.project-cta svg {
  transition: transform 0.3s ease;
}

.project:hover .project-cta svg {
  transform: translateX(3px);
}

.project-cta-muted {
  opacity: 0.5;
}

/* Preview side: device mockup */
.project-preview {
  flex-shrink: 0;
  width: 55%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.device-frame {
  width: 100%;
  background: #000;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 16px 48px rgba(0,0,0,0.3), 0 4px 12px rgba(0,0,0,0.2);
  transition: transform 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  transform: perspective(800px) rotateY(-2deg) rotateX(1deg);
}

.project:hover .device-frame {
  transform: perspective(800px) rotateY(0deg) rotateX(0deg) scale(1.02);
}

.project-disabled:hover .device-frame {
  transform: perspective(800px) rotateY(-2deg) rotateX(1deg);
}

.device-frame img {
  display: block;
  width: 100%;
  height: auto;
}

/* Phone-shaped device for iOS app */
.device-phone {
  width: 160px;
  border-radius: 24px;
  border: 4px solid #333;
}

.project-disabled:hover .device-phone {
  transform: perspective(800px) rotateY(-2deg) rotateX(1deg);
}

/* ===== Responsive ===== */
@media (max-width: 900px) {
  body { overflow: auto; }

  .layout {
    flex-direction: column;
    height: auto;
  }

  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid var(--border);
    padding: 28px 24px;
    align-items: flex-start;
  }

  .role { margin-bottom: 16px; }
  .contact-links { margin-bottom: 12px; }

  .content {
    overflow-y: visible;
    padding: 16px;
    gap: 16px;
  }

  .project-inner {
    flex-direction: column;
    min-height: auto;
    padding: 28px;
    gap: 24px;
  }

  .project-preview {
    width: 100%;
  }

  .project-text p {
    max-width: 100%;
  }

  .device-frame {
    transform: none;
  }

  .project:hover .device-frame {
    transform: scale(1.01);
  }

  .device-phone {
    width: 140px;
    margin: 0 auto;
  }
}

@media (max-width: 480px) {
  .project-inner {
    padding: 20px;
    gap: 16px;
  }

  .project-text h2 {
    font-size: 22px;
  }

  .device-phone {
    width: 120px;
  }
}