/* ==========================================================================
   Camron Bickford — Personal Profile
   Hand-rolled CSS (no framework). Light/dark themes via custom properties.
   ========================================================================== */

/* ---------- Design tokens ---------- */
:root {
  --bg: #ffffff;
  --bg-card: #ffffff;
  --bg-faint: #f3f4f6;          /* gray-100: logo tiles */
  --bg-toggle: #374151;         /* gray-700: theme button */
  --bg-toggle-hover: #4b5563;   /* gray-600 */
  --text: #111827;              /* gray-900 */
  --text-soft: #1f2937;         /* gray-800 */
  --text-muted: #4b5563;        /* gray-600 */
  --text-faint: #6b7280;        /* gray-500 */
  --text-fainter: #9ca3af;      /* gray-400 */
  --border: #e5e7eb;            /* gray-200 */
  --divider: #d1d5db;           /* gray-300 */
  --blue: #2563eb;              /* blue-600 */
  --blue-hover: #1d4ed8;        /* blue-700 */
  --blue-soft: #60a5fa;         /* blue-400: hover text in dark */
  --purple: #7c3aed;            /* purple-600 */
  --purple-hover: #6d28d9;      /* purple-700 */
  --green: #16a34a;             /* green-600: Xing */
  --green-hover: #15803d;       /* green-700 */
  --shadow-card: 0 4px 6px -1px rgb(0 0 0 / 0.10), 0 2px 4px -2px rgb(0 0 0 / 0.10);
  --shadow-card-hover: 0 20px 25px -5px rgb(0 0 0 / 0.10), 0 8px 10px -6px rgb(0 0 0 / 0.10);
  --shadow-avatar: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif,
          "Apple Color Emoji", "Segoe UI Emoji";
}

.dark {
  --bg: #111827;                /* gray-900 */
  --bg-card: #1f2937;           /* gray-800 */
  --bg-faint: #374151;          /* gray-700 */
  --bg-toggle: #e5e7eb;         /* gray-200 */
  --bg-toggle-hover: #d1d5db;   /* gray-300 */
  --text: #ffffff;
  --text-soft: #f3f4f6;
  --text-muted: #d1d5db;
  --text-faint: #9ca3af;
  --text-fainter: #6b7280;
  --border: #374151;
  --divider: #4b5563;
  --blue: #3b82f6;              /* blue-500 in dark contexts */
  --blue-hover: #2563eb;
  --blue-soft: #60a5fa;
  --green: #22c55e;
  --green-hover: #16a34a;
  --shadow-card: 0 4px 6px -1px rgb(0 0 0 / 0.40), 0 2px 4px -2px rgb(0 0 0 / 0.40);
  --shadow-card-hover: 0 20px 25px -5px rgb(0 0 0 / 0.50), 0 8px 10px -6px rgb(0 0 0 / 0.45);
  --shadow-avatar: 0 25px 50px -12px rgb(0 0 0 / 0.60);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  padding: 64px 16px;                       /* py-16 px-4 */
  background-color: var(--bg);
  color: var(--text);
  font-family: var(--font);
  line-height: 1.5;
}

@media (min-width: 640px)  { body { padding-left: 24px; padding-right: 24px; } }
@media (min-width: 1024px) { body { padding-left: 32px; padding-right: 32px; } }

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

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

ul[role="list"] { list-style: none; margin: 0; padding: 0; }

/* ---------- Theme toggle ---------- */
.theme-toggle { position: absolute; top: 1rem; right: 1rem; z-index: 50; }

.theme-toggle__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  padding: 12px;
  margin: 16px;
  border: 0;
  border-radius: 9999px;
  background-color: var(--bg-toggle);
  color: inherit;
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.2), 0 4px 6px -4px rgb(0 0 0 / 0.2);
  transition: background-color 200ms ease;
}

.theme-toggle__btn:hover { background-color: var(--bg-toggle-hover); }

/* ---------- Layout ---------- */
.container {
  position: relative;
  max-width: 72rem;          /* max-w-6xl */
  margin: 0 auto;
}

.section { margin-top: 96px; margin-bottom: 64px; }   /* mt-24 mb-16 */
.section--contact { margin-bottom: 48px; }            /* mb-12 */

.section__title {
  margin: 0 0 32px;
  font-size: 1.5rem;
  font-weight: 600;
  text-align: center;
  color: var(--text-soft);
}

.section__cta { text-align: center; margin: 32px 0 0; }

.center { text-align: center; margin: 0; }
.center-box { display: flex; justify-content: center; margin-top: 32px; }

/* ---------- Hero ---------- */
.hero { text-align: center; margin-bottom: 48px; }

.hero__avatar {
  width: 200px;
  height: 200px;
  /* Block-level image: text-align on .hero doesn't center it, so use auto margins. */
  margin: 0 auto;
  border-radius: 50%;
  border: 4px solid var(--border);
  box-shadow: var(--shadow-avatar);
}

.hero__name {
  margin: 32px 0 0;
  font-size: 2.25rem;
  font-weight: 700;
}

.hero__tagline {
  margin: 16px 0 0;
  font-size: 1.25rem;
  font-style: italic;
  color: var(--text-muted);
}

.hero__emoji {
  font-style: normal;
}

/* ---------- Grids ---------- */
.grid--3 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 768px) {
  .grid--3 { grid-template-columns: repeat(3, 1fr); }
}

/* ---------- Cards: certifications ---------- */
.badge-card {
  display: block;
  padding: 8px 8px 4px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  transition: transform 300ms ease, box-shadow 300ms ease, background-color 300ms ease;
}

.badge-card:hover,
.badge-card:focus-visible {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.badge-card__title {
  margin: 0 0 2px;
  font-size: 1rem;
  font-weight: 700;
  text-align: center;
}

.badge-card__image {
  width: 50%;
  aspect-ratio: 1 / 1;
  object-fit: contain;
  margin: 0 auto 0;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 500;
  color: #ffffff;
  border: 0;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  cursor: pointer;
  transition: background-color 300ms ease, box-shadow 300ms ease;
}

.btn--blue {
  padding: 12px 24px;
  background-color: var(--blue);
}

.btn--blue:hover, .btn--blue:focus-visible { background-color: var(--blue-hover); box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.2); }

.btn--gradient {
  padding: 16px 32px;
  font-size: 1.125rem;
  background-image: linear-gradient(to right, var(--blue), var(--purple));
}

.btn--gradient:hover, .btn--gradient:focus-visible {
  background-image: linear-gradient(to right, var(--blue-hover), var(--purple-hover));
  box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.2);
}

/* ---------- Cards: companies ---------- */
.company-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  padding: 24px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  transition: transform 300ms ease, box-shadow 300ms ease, background-color 300ms ease;
}

@media (min-width: 768px) {
  .company-card { flex-direction: row; text-align: left; }
}

.company-card:hover,
.company-card:focus-visible {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

.company-card__logo {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 64px;
  height: 64px;
  overflow: hidden;
  background-color: var(--bg-faint);
  border-radius: 8px;
}

.company-card__logo img { object-fit: contain; }

.company-card__body {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  text-align: center;
}

@media (min-width: 768px) {
  .company-card__body { text-align: left; }
}

.company-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  transition: color 300ms ease;
}

.company-card:hover .company-card__name,
.company-card:focus-visible .company-card__name { color: var(--blue); }

.dark .company-card:hover .company-card__name,
.dark .company-card:focus-visible .company-card__name { color: var(--blue-soft); }

.company-card__domain {
  margin-top: 4px;
  font-size: 0.875rem;
  color: var(--text-faint);
}

/* ---------- Contact info ---------- */
.info-card {
  display: inline-flex;
  flex-direction: column;
  gap: 24px;
  padding: 16px 24px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow-card);
}

@media (min-width: 640px) {
  .info-card { flex-direction: row; align-items: center; }
}

.info-card__item { display: flex; align-items: center; gap: 12px; }

.info-card__icon { font-size: 1.5rem; line-height: 1; }

.info-card__label {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-faint);
}

.info-card__value {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 700;
}

.info-card__divider { display: none; }

@media (min-width: 640px) {
  .info-card__divider {
    display: block;
    width: 1px;
    height: 48px;
    background-color: var(--divider);
  }
}

/* ---------- Social ---------- */
.social { margin-bottom: 48px; }

.social__list {
  display: flex;
  justify-content: center;
  gap: 24px;
}

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

.social__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 8px;
  box-shadow: var(--shadow-card);
  transition: transform 300ms ease, background-color 300ms ease, box-shadow 300ms ease;
}

.social__link--linkedin .social__icon { background-color: var(--blue); color: #ffffff; }
.social__link--xing .social__icon     { background-color: var(--green); color: #ffffff; }

.social__link:hover .social__icon,
.social__link:focus-visible .social__icon {
  transform: scale(1.1);
  box-shadow: var(--shadow-card-hover);
}

.social__link--linkedin:hover .social__icon { background-color: var(--blue-hover); }
.social__link--xing:hover .social__icon     { background-color: var(--green-hover); }

.social__label {
  margin-top: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-muted);
}

/* ---------- Footer ---------- */
.footer {
  margin-top: 64px;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-faint);
}

/* ---------- Misc ---------- */
:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}