/* =========================================================
   Caleb Miller — Dark background + light cards + distributed SQL
   ========================================================= */

/* Reset */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; }
img { max-width: 100%; display: block; }
a { color: inherit; }

:root {
  --font: "DM Sans", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;

  --container: 1320px;
  --nav-height: 80px;

  --radius-xl: 26px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;

  --shadow-soft: 0 24px 70px rgba(2, 6, 23, .26);
  --shadow-card: 0 18px 42px rgba(2, 6, 23, .12);

  --glass-bg: rgba(226, 232, 240, 0.76);
  --glass-stroke: rgba(255, 255, 255, 0.16);
  --glass-shadow: var(--shadow-soft);

  --surface-bg: rgba(226, 232, 240, 0.76);
  --surface-stroke: rgba(255, 255, 255, 0.14);

  --card-bg: rgba(241, 245, 249, 0.78);
  --card-stroke: rgba(208, 218, 231, 0.46);

  --text: #0b1220;
  --muted: rgba(11, 18, 32, 0.72);
  --muted-2: rgba(11, 18, 32, 0.56);

  --accent: #0f172a;
  --accent-2: #1d4ed8;

  --focus: rgba(37, 99, 235, .18);
}

html {
  font-family: var(--font);
  font-size: 18px;
  line-height: 1.65;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 14% -10%, rgba(37,99,235,.18), transparent 54%),
    radial-gradient(1000px 700px at 88% 4%, rgba(34,197,94,.09), transparent 56%),
    radial-gradient(900px 720px at 50% 118%, rgba(29,78,216,.10), transparent 60%),
    linear-gradient(180deg, #031021 0%, #04162c 42%, #031224 100%);
  background-attachment: fixed;
}

body {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

/* Accessibility */
.skip-link {
  position: absolute;
  left: -999px;
  top: 12px;
  z-index: 999;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255,255,255,.9);
  border: 1px solid rgba(255,255,255,.2);
}

.skip-link:focus {
  left: 12px;
}

/* SQL background */
.bg-sql-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -3;
  overflow: hidden;
}

.sql-block {
  position: absolute;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  color: rgba(74, 222, 128, 0.36);
  text-shadow: 0 0 8px rgba(34,197,94,.05);
  filter: blur(0.1px);
  line-height: 1.55;
  letter-spacing: 0.01em;
  white-space: pre-wrap;
  user-select: none;
  animation: sqlFloat 24s ease-in-out infinite;
}

.sql-block pre {
  margin: 0;
  white-space: pre-wrap;
}

/* Top row */
.sql-a { top: 12%; left: 1.5%; width: 18vw; font-size: 15px; opacity: .42; }
.sql-b { top: 12%; left: 39%; width: 20vw; font-size: 15px; opacity: .34; }
.sql-c { top: 12%; right: 1.5%; width: 18vw; font-size: 15px; opacity: .38; }

/* Middle row */
.sql-d { top: 41%; left: 2%; width: 20vw; font-size: 15px; opacity: .36; }
.sql-e { top: 46%; left: 41%; width: 18vw; font-size: 15px; opacity: .28; }
.sql-f { top: 41%; right: 2%; width: 20vw; font-size: 15px; opacity: .34; }

/* Bottom row */
.sql-g { top: 75%; left: 2%; width: 18vw; font-size: 15px; opacity: .30; }
.sql-h { top: 72%; left: 39%; width: 20vw; font-size: 15px; opacity: .24; }
.sql-i { top: 75%; right: 2%; width: 18vw; font-size: 15px; opacity: .30; }

@keyframes sqlFloat {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(6px); }
}

/* ambient glow blobs */
.bg-blob {
  position: fixed;
  width: 560px;
  height: 560px;
  filter: blur(80px);
  opacity: .28;
  pointer-events: none;
  z-index: -2;
  transform: translate3d(0,0,0);
  animation: floaty 18s ease-in-out infinite;
}

.bg-blob.blob-1 {
  left: -220px;
  top: 110px;
  background: radial-gradient(circle at 30% 30%, rgba(37,99,235,.24), transparent 62%);
}

.bg-blob.blob-2 {
  right: -260px;
  top: 20px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle at 30% 30%, rgba(34,197,94,.10), transparent 62%);
  animation-duration: 21s;
}

.bg-blob.blob-3 {
  left: 26%;
  bottom: -340px;
  width: 760px;
  height: 760px;
  background: radial-gradient(circle at 30% 30%, rgba(59,130,246,.11), transparent 62%);
  animation-duration: 23s;
}

@keyframes floaty {
  0%, 100% { transform: translateY(0) translateX(0) scale(1); }
  50% { transform: translateY(-22px) translateX(12px) scale(1.03); }
}

/* Header / Nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  min-height: var(--nav-height);
  display: flex;
  align-items: center;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(226, 232, 240, 0.68);
  border-bottom: none;
  box-shadow: none;
  padding: 1.25rem 0;
}

.site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -12px;
  height: 12px;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    rgba(226, 232, 240, 0.68) 0%,
    rgba(226, 232, 240, 0.58) 12%,
    rgba(210, 220, 235, 0.48) 26%,
    rgba(180, 198, 220, 0.34) 42%,
    rgba(120, 150, 190, 0.22) 58%,
    rgba(60, 95, 140, 0.12) 76%,
    rgba(4, 22, 44, 0.00) 100%
  );
}

.nav-inner {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  overflow: hidden;
  background: url("./photos/headshot_for_header.jpg") center/cover no-repeat;
  box-shadow: 0 16px 34px rgba(2,6,23,.16);
}

.brand .name {
  font-weight: 750;
  letter-spacing: -0.02em;
}

.brand .role {
  display: block;
  font-size: .95rem;
  color: var(--muted);
  margin-top: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px;
  border-radius: 999px;
  background: rgba(226, 232, 240, 0.54);
  border: 1px solid rgba(255,255,255,.18);
}

.nav-links a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
  font-size: .95rem;
  padding: 9px 13px;
  border-radius: 999px;
  transition: background .2s ease, color .2s ease, transform .2s ease;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(37,99,235,.08);
}

.nav-links a.active {
  color: #0b1220;
  background: rgba(15,23,42,.08);
  box-shadow: 0 10px 22px rgba(15,23,42,.06);
}

/* Main layout */
main {
  width: min(var(--container), calc(100% - 40px));
  margin: 46px auto 86px;
  flex: 1;
}

.section {
  padding: clamp(44px, 5vw, 64px);
  border-radius: var(--radius-xl);
  background: var(--surface-bg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 20px 55px rgba(2, 6, 23, .16);
}

.section + .section {
  margin-top: 76px;
}

.section {
  position: relative;
  overflow: hidden;
}

.section::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.62),
    inset 0 0 0 1px rgba(255,255,255,.06);
}

.section > * {
  position: relative;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: clamp(0.98rem, 0.7vw + 0.55rem, 1.08rem);
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--muted);
  text-transform: uppercase;
}

.h1 {
  font-size: clamp(2.1rem, 4.6vw, 3.6rem);
  line-height: 1.08;
  margin: 16px 0 14px;
  letter-spacing: -0.04em;
}

.lede {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: none;
  margin: 0;
}

/* Hero */
.hero {
  margin-bottom: 6px;
  padding: 56px;
  border-radius: calc(var(--radius-xl) + 4px);
  background:
    radial-gradient(820px 340px at 12% 0%, rgba(59,130,246,.06), transparent 58%),
    radial-gradient(760px 340px at 92% 18%, rgba(255,255,255,.04), transparent 58%),
    rgba(233, 238, 246, 0.76);
  backdrop-filter: blur(9px);
  -webkit-backdrop-filter: blur(9px);
  border: 1px solid rgba(255,255,255,.17);
  box-shadow: 0 26px 70px rgba(2, 6, 23, .20);
  overflow: hidden;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 34px;
  align-items: center;
}

.hero-grid--single {
  grid-template-columns: 1fr;
  max-width: none;
}

.hero-title {
  font-size: clamp(1.9rem, 4.1vw, 3.1rem);
}

.hero .actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid rgba(15,23,42,.14);
  text-decoration: none;
  font-weight: 800;
  font-size: .98rem;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease, border-color .15s ease;
  will-change: transform;
}

.btn.primary {
  background: rgba(15,23,42,.96);
  color: white;
  border-color: transparent;
  box-shadow: 0 18px 44px rgba(15,23,42,.18);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 26px 70px rgba(15,23,42,.22);
}

.btn.ghost {
  background: rgba(241, 245, 249, 0.72);
  color: var(--text);
  border-color: rgba(15,23,42,.10);
}

.btn.ghost:hover {
  transform: translateY(-1px);
}

/* Cards */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 22px;
}

.card {
  grid-column: span 6;
  padding: 26px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--card-stroke);
  box-shadow: 0 14px 30px rgba(2, 6, 23, .08);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.card h3 {
  margin: 0 0 10px;
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.card p {
  margin: 0;
  color: var(--muted);
}

/* Lists */
.list {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
  max-width: 1180px;
}

.list li {
  display: grid;
  grid-template-columns: 14px 1fr;
  gap: 12px;
  color: var(--muted);
}

.bullet {
  margin-top: 8px;
  width: 9px;
  height: 9px;
  border-radius: 3px;
  background: rgba(37,99,235,.72);
}

/* Timeline */
.timeline {
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.timeline li {
  position: relative;
  padding: 18px 22px;
  border-radius: var(--radius-lg);
  background: rgba(241, 245, 249, 0.76);
  border: 1px solid rgba(208, 218, 231, 0.46);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.timeline .top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}

.timeline .title {
  font-weight: 850;
  letter-spacing: -0.02em;
}

.timeline .meta {
  color: var(--muted-2);
  font-size: .98rem;
}

/* Resume embed */
.pdf {
  width: 100%;
  height: min(78vh, 880px);
  border-radius: var(--radius-xl);
  border: 1px solid rgba(208, 218, 231, 0.46);
  overflow: hidden;
  background: rgba(241, 245, 249, 0.76);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

/* Contact form */
.form {
  display: grid;
  gap: 14px;
  max-width: 720px;
}

.field {
  display: grid;
  gap: 7px;
}

label {
  font-weight: 800;
  font-size: .98rem;
}

input, textarea {
  font: inherit;
  padding: 13px 14px;
  border-radius: 14px;
  border: 1px solid rgba(15,23,42,.14);
  background: rgba(241,245,249,.82);
  color: var(--text);
  outline: none;
}

input:focus, textarea:focus {
  border-color: rgba(37,99,235,.55);
  box-shadow: 0 0 0 5px var(--focus);
}

.helper {
  color: var(--muted);
  font-size: .98rem;
}

/* Footer */
.site-footer {
  padding: 34px 0 44px;
  color: rgba(255,255,255,.78);
}

.footer-inner {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  flex-wrap: wrap;
}

.social {
  display: flex;
  gap: 12px;
}

.social a {
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.88);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}

.social a:hover {
  transform: translateY(-1px);
  background: rgba(255,255,255,.12);
  border-color: rgba(255,255,255,.18);
}

/* Small utilities */
.small { font-size: .95rem; }
.m0 { margin: 0 !important; }
.mt8 { margin-top: 8px !important; }
.mt12 { margin-top: 12px !important; }
.mt16 { margin-top: 16px !important; }
.mt20 { margin-top: 20px !important; }

/* Prose */
.prose {
  max-width: none;
}

.prose p {
  margin: 0;
  color: var(--muted);
}

.prose p + p {
  margin-top: 14px;
}

main > section + section {
  margin-top: 38px;
}

.facts {
  margin-top: 18px;
  gap: 18px;
}

.fact h3 {
  font-size: 1.02rem;
  margin-bottom: 8px;
}

.fact p {
  font-size: 0.98rem;
}

@media (max-width: 1100px) {
  .sql-block {
    font-size: 13px !important;
  }
}

@media (max-width: 920px) {
  .hero {
    padding: 44px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .card {
    grid-column: span 12;
  }

  .sql-b,
  .sql-e,
  .sql-h {
    display: none;
  }

  .sql-a, .sql-d, .sql-g {
    width: 24vw;
  }

  .sql-c, .sql-f, .sql-i {
    width: 24vw;
  }
}

@media (max-width: 820px) {
  main {
    margin: 32px auto 72px;
  }

  .hero {
    padding: 44px;
  }

  .section {
    padding: 40px;
  }

  main > section + section {
    margin-top: 28px;
  }

  .sql-block {
    opacity: 0.7;
  }
}

@media (max-width: 520px) {
  .hero {
    padding: 32px;
  }

  .section {
    padding: 28px;
  }

  .sql-c,
  .sql-f,
  .sql-i {
    display: none;
  }

  .sql-a,
  .sql-d,
  .sql-g {
    width: 40vw;
    opacity: .24;
  }
}