/* GregoMyLego portfolio — shared design system */

:root {
  --color-bg: #f6f4ef;
  --color-bg-alt: #eaf4f4;
  --color-surface: #ffffff;
  --color-text: #1e2328;
  --color-text-muted: #5c6469;
  --color-border: #e1ddd2;
  --color-primary: #143a5e;
  --color-primary-light: #21507d;
  --color-accent: #d9752e;
  --color-accent-light: #f7e3d0;
  --color-turquoise: #1e8a8f;
  --color-turquoise-light: #d9eeee;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1120px;
  --radius: 10px;
  --radius-lg: 18px;
  --shadow: 0 1px 3px rgba(27, 27, 27, 0.1), 0 8px 24px rgba(27, 27, 27, 0.08);
  --shadow-snap: 0 4px 10px rgba(27, 27, 27, 0.14), 0 16px 32px rgba(27, 27, 27, 0.16);
  --ease-snap: cubic-bezier(0.34, 1.56, 0.64, 1);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

.wrap {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header / nav ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(251, 247, 236, 0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.site-header::before {
  content: "";
  display: block;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0 33.33%, var(--color-accent) 33.33% 66.66%, var(--color-turquoise) 66.66% 100%);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  max-width: var(--max-width);
  margin: 0 auto;
}

.nav-brand {
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  align-items: center;
  justify-content: center;
}

.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after {
  content: "";
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-primary);
  position: relative;
  transition: transform 0.2s ease;
}

.nav-toggle span::before { position: absolute; top: -6px; }
.nav-toggle span::after { position: absolute; top: 6px; }

/* ---------- Hero ---------- */

.hero {
  padding: 72px 0 56px;
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M10,10 L38,10 A15,15 0 0 1 62,10 L90,10 L90,38 A15,15 0 0 0 90,62 L90,90 L10,90 Z' fill='%23143a5e' fill-opacity='0.06'/%3E%3C/svg%3E"),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100'%3E%3Cpath d='M10,10 L38,10 A15,15 0 0 1 62,10 L90,10 L90,38 A15,15 0 0 0 90,62 L90,90 L10,90 Z' fill='%231e8a8f' fill-opacity='0.07'/%3E%3C/svg%3E");
  background-repeat: no-repeat, no-repeat;
  background-position: -30px -30px, right -40px bottom -50px;
  background-size: 200px 200px, 160px 160px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-grid.no-photo {
  grid-template-columns: 1fr;
  max-width: 760px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 14px;
}

.hero h1 {
  font-size: clamp(2.1rem, 4vw, 3.1rem);
  line-height: 1.12;
  margin: 0 0 18px;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}

.hero-lede {
  font-size: 1.15rem;
  color: var(--color-text-muted);
  max-width: 56ch;
  margin: 0 0 30px;
}

.hero-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4 / 5;
  background: var(--color-bg-alt);
}

.hero-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.btn-row { display: flex; gap: 14px; flex-wrap: wrap; }

.btn {
  display: inline-block;
  padding: 13px 24px;
  border-radius: 14px;
  font-weight: 700;
  font-size: 0.95rem;
  text-decoration: none;
  border: 2px solid transparent;
  transition: transform 0.22s var(--ease-snap), box-shadow 0.22s var(--ease-snap);
}

.btn:hover { transform: translateY(-3px) scale(1.03); }
.btn:active { transform: translateY(-1px) scale(0.98); }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.25), inset 0 -3px 0 rgba(0, 0, 0, 0.15);
}

.btn-primary:hover { box-shadow: var(--shadow-snap), inset 0 2px 0 rgba(255, 255, 255, 0.25), inset 0 -3px 0 rgba(0, 0, 0, 0.15); }

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

.btn-ghost:hover { border-color: var(--color-primary); box-shadow: var(--shadow-snap); }

/* ---------- Sections ---------- */

section { padding: 56px 0; }

.section-alt {
  background-color: var(--color-bg-alt);
}

.section-head { max-width: 640px; margin: 0 0 40px; }

.section-head h2 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--color-primary);
  margin: 0 0 12px;
  letter-spacing: -0.01em;
}

.section-head p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin: 0;
}

/* ---------- Pillars ---------- */

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.pillar {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
}

.pillar h3 { margin: 0 0 10px; font-size: 1.15rem; color: var(--color-primary); }
.pillar p { margin: 0; color: var(--color-text-muted); }

/* ---------- Metrics strip ---------- */

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.metric {
  text-align: center;
  padding: 22px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: transform 0.22s var(--ease-snap), box-shadow 0.22s var(--ease-snap);
}

.metric:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-snap);
}

.metric .val {
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--color-primary);
  display: block;
}

.metric .label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* ---------- Case study cards ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.case-card {
  display: block;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 6px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: 28px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.22s var(--ease-snap), transform 0.22s var(--ease-snap);
}

.case-card:hover {
  box-shadow: var(--shadow-snap);
  transform: translateY(-7px) scale(1.015);
}

.case-card:active {
  transform: translateY(-3px) scale(1);
}

/* Case studies cycle through the three theme colors — position matches the same order on index.html and portfolio.html */
.card-grid .case-card:nth-of-type(1) { border-top-color: var(--color-primary); }
.card-grid .case-card:nth-of-type(1) .tag { background: var(--color-primary); color: #fff; }
.card-grid .case-card:nth-of-type(2) { border-top-color: var(--color-accent); }
.card-grid .case-card:nth-of-type(2) .tag { background: var(--color-accent); color: #fff; }
.card-grid .case-card:nth-of-type(3) { border-top-color: var(--color-turquoise); }
.card-grid .case-card:nth-of-type(3) .tag { background: var(--color-turquoise); color: #fff; }
.card-grid .case-card:nth-of-type(4) { border-top-color: var(--color-primary); }
.card-grid .case-card:nth-of-type(4) .tag { background: var(--color-primary); color: #fff; }
.card-grid .case-card:nth-of-type(5) { border-top-color: var(--color-accent); }
.card-grid .case-card:nth-of-type(5) .tag { background: var(--color-accent); color: #fff; }
.card-grid .case-card:nth-of-type(6) { border-top-color: var(--color-turquoise); }
.card-grid .case-card:nth-of-type(6) .tag { background: var(--color-turquoise); color: #fff; }

.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 14px; }

.tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  background: var(--color-accent-light);
  padding: 4px 10px;
  border-radius: 999px;
}

.case-card h3 {
  margin: 0 0 10px;
  font-size: 1.25rem;
  color: var(--color-primary);
}

.case-card p {
  margin: 0 0 14px;
  color: var(--color-text-muted);
}

.case-card .read-more {
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--color-accent);
}

/* ---------- Case study detail page ---------- */

.cs-hero {
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--color-border);
}

.cs-hero .eyebrow { margin-bottom: 10px; }

.cs-hero h1 {
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  color: var(--color-primary);
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.cs-hero .summary { font-size: 1.1rem; color: var(--color-text-muted); max-width: 68ch; }

.cs-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 20px;
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.cs-meta .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: 4px;
}

.cs-meta .value { color: var(--color-text); font-weight: 600; }

.cs-body {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
  padding: 48px 0;
  align-items: start;
}

.cs-block { margin-bottom: 40px; }

.cs-block h2 {
  font-size: 1.4rem;
  color: var(--color-primary);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.cs-block h2 .step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.85rem;
  flex-shrink: 0;
}

.cs-block ul { padding-left: 20px; margin: 12px 0; }
.cs-block li { margin-bottom: 8px; }

.cs-sidebar {
  background: var(--color-bg-alt);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: sticky;
  top: 96px;
}

.cs-sidebar h3 {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
  margin: 0 0 14px;
}

.cs-sidebar .metric-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.92rem;
}

.cs-sidebar .metric-line:last-child { border-bottom: none; }
.cs-sidebar .metric-line .val { font-weight: 800; color: var(--color-accent); }

.cs-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin: 20px 0;
}

.cs-nav-footer {
  display: flex;
  justify-content: space-between;
  padding: 32px 0;
  border-top: 1px solid var(--color-border);
  font-weight: 700;
}

.cs-nav-footer a { text-decoration: none; }

/* ---------- Resume ---------- */

.resume-block { margin-bottom: 44px; }

.resume-block h2 {
  color: var(--color-primary);
  font-size: 1.3rem;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 8px;
  margin-bottom: 18px;
}

.job { margin-bottom: 30px; }

.job-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 6px;
}

.job-head .company { font-weight: 800; font-size: 1.1rem; color: var(--color-primary); }
.job-head .years { color: var(--color-text-muted); font-weight: 600; font-size: 0.9rem; }
.job-title { font-weight: 700; color: var(--color-accent); margin-bottom: 10px; }

.skill-chip-row { display: flex; flex-wrap: wrap; gap: 10px; }

.skill-chip {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 8px 16px;
  font-size: 0.88rem;
  font-weight: 600;
  display: inline-block;
  transition: transform 0.22s var(--ease-snap), box-shadow 0.22s var(--ease-snap);
}

.skill-chip:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-snap);
}

/* ---------- Testimonials ---------- */

.testi-section-title {
  font-size: 1.2rem;
  color: var(--color-primary);
  margin: 48px 0 22px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--color-accent);
}

.testi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.testi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: transform 0.22s var(--ease-snap), box-shadow 0.22s var(--ease-snap);
}

.testi-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-snap);
}

.testi-photo {
  width: 100%;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--color-bg-alt);
  box-shadow: var(--shadow);
  margin-bottom: 14px;
}

.testi-photo img { width: 100%; height: auto; display: block; }

.testi-quote { font-size: 0.94rem; color: var(--color-text); margin: 0; }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  max-width: 960px;
}

.contact-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 26px;
  text-decoration: none;
  color: inherit;
  text-align: center;
  transition: box-shadow 0.22s var(--ease-snap), transform 0.22s var(--ease-snap);
}

.contact-card:hover { box-shadow: var(--shadow-snap); transform: translateY(-7px) scale(1.03); }
.contact-card:active { transform: translateY(-3px) scale(1); }

.contact-card .icon { font-size: 1.6rem; margin-bottom: 10px; }
.contact-card .label { font-weight: 700; color: var(--color-primary); margin-bottom: 4px; }
.contact-card .value { color: var(--color-text-muted); font-size: 0.92rem; word-break: break-word; }

/* ---------- Footer ---------- */

.site-footer {
  background-image: linear-gradient(90deg, var(--color-primary) 0 33.33%, var(--color-accent) 33.33% 66.66%, var(--color-turquoise) 66.66% 100%);
  background-repeat: no-repeat;
  background-size: 100% 5px;
  background-position: top;
  padding: 40px 0 36px;
  margin-top: 40px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-links {
  display: flex;
  gap: 20px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links a {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.9rem;
}

.footer-links a:hover { color: var(--color-primary); }

.footer-copy { color: var(--color-text-muted); font-size: 0.85rem; }

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-photo { max-width: 320px; margin: 0 auto; }
  .pillars { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .cs-body { grid-template-columns: 1fr; }
  .cs-sidebar { position: static; }
}

@media (max-width: 720px) {
  .nav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    padding: 16px 24px;
    gap: 16px;
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle { display: inline-flex; }
  .metrics { grid-template-columns: 1fr 1fr; }
}