/* ============================================================
   Adrian Dragota — portfolio/CV site
   Palette echoes the CV's own navy sidebar for brand consistency.
   ============================================================ */

:root {
  --navy: #1f2d3d;
  --navy-2: #263646;
  --ink: #1b2530;
  --paper: #f7f8fa;
  --paper-2: #ffffff;
  --border: #e4e7eb;
  --muted: #5b6673;
  --accent: #2f7a78;
  --accent-2: #3f9d9a;
  --accent-soft: #e7f3f2;
  --radius: 14px;
  --shadow: 0 8px 30px rgba(20, 30, 40, 0.08);
  --max-w: 1120px;
  font-size: 16px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); }

code {
  background: var(--accent-soft);
  padding: 0.1em 0.4em;
  border-radius: 4px;
  font-size: 0.9em;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 248, 250, 0.9);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--navy);
  letter-spacing: -0.02em;
}
.brand span { color: var(--accent); }
.brand:hover { color: var(--navy); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.main-nav a {
  color: var(--ink);
  font-weight: 500;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--accent); }

.nav-cta {
  background: var(--navy);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 999px;
  font-weight: 600 !important;
}
.nav-cta:hover { background: var(--accent); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--navy);
  display: block;
}

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

.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 60%, #2a3f4f 100%);
  color: #eef2f4;
  padding: 96px 0 76px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--accent-2);
  margin: 0 0 14px;
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 20px;
}

.hero-lead {
  max-width: 640px;
  font-size: 1.15rem;
  color: #c9d3d9;
  margin: 0 0 32px;
}

.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-size: 0.9rem;
  color: #9fb0b8;
}

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn:hover { transform: translateY(-1px); }

.btn-primary {
  background: var(--accent);
  color: #fff !important;
}
.btn-primary:hover { background: var(--accent-2); }

.btn-ghost {
  background: transparent;
  color: #eef2f4 !important;
  border-color: rgba(238, 242, 244, 0.35);
}
.btn-ghost:hover { border-color: var(--accent-2); color: var(--accent-2) !important; }

.section .btn-ghost {
  color: var(--navy) !important;
  border-color: var(--border);
}
.section .btn-ghost:hover { border-color: var(--accent); color: var(--accent) !important; }

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

.section {
  padding: 84px 0;
}

.section-alt {
  background: var(--paper-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--navy);
  margin: 0 0 18px;
}

.section-lead {
  max-width: 760px;
  color: var(--muted);
  font-size: 1.05rem;
  margin: 0 0 40px;
}

/* ---------- Skills ---------- */

.skill-groups {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 20px;
}

.skill-card {
  background: var(--paper-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.skill-card h3 {
  margin: 0 0 14px;
  font-size: 1rem;
  color: var(--navy);
}

.tag-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-list li {
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
}

/* ---------- Capability grid ---------- */

.capability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 22px;
}

.capability-card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  position: relative;
}

.capability-num {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.capability-card h3 {
  margin: 0 0 10px;
  font-size: 1.05rem;
  color: var(--navy);
}

.capability-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

/* ---------- Timeline ---------- */

.timeline-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--border);
}
.timeline-item:last-child { border-bottom: none; }

.timeline-heading {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 20px;
  margin-bottom: 10px;
}

.timeline-heading h3 {
  margin: 0;
  font-size: 1.15rem;
  color: var(--navy);
}

.timeline-date {
  font-size: 0.88rem;
  color: var(--muted);
  white-space: nowrap;
}

.timeline-item > p {
  color: var(--muted);
  margin: 0 0 18px;
}

.subproject {
  background: var(--paper-2);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 0 10px 10px 0;
  padding: 18px 22px;
  margin-bottom: 14px;
}

.subproject h4 {
  margin: 0 0 8px;
  font-size: 1rem;
  color: var(--navy);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.subproject p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.ext-link {
  font-size: 0.78rem;
  font-weight: 700;
  background: var(--accent-soft);
  color: var(--accent);
  padding: 3px 10px;
  border-radius: 999px;
}

.subproject-footnote {
  font-size: 0.9rem;
  color: var(--muted);
  font-style: italic;
}

/* ---------- Projects ---------- */

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

.project-card {
  background: var(--paper-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease;
}
.project-card:hover { transform: translateY(-4px); }

.project-visual {
  height: 150px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.project-visual--ithaca { background: linear-gradient(135deg, #1f2d3d, #3a5266); }
.project-visual--shop   { background: linear-gradient(135deg, #2f7a78, #56b7ac); }
.project-visual--clinic { background: linear-gradient(135deg, #3f6fa8, #79b4d6); }

.mock-window {
  width: 100%;
  height: 100%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 10px;
  padding: 10px 14px;
  display: flex;
  align-items: flex-start;
  gap: 6px;
}
.mock-window span {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.55);
}

.project-body { padding: 22px 24px 26px; }

.project-tag {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  margin-bottom: 10px;
}

.project-body h3 {
  margin: 0 0 10px;
  font-size: 1.15rem;
  color: var(--navy);
}

.project-body p {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 0.93rem;
}

.project-link {
  font-weight: 700;
  font-size: 0.9rem;
}

/* ---------- Education ---------- */

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

.education-item {
  border-left: 3px solid var(--border);
  padding-left: 18px;
}

.education-item--cert { border-left-color: var(--accent); }

.education-item h3 {
  margin: 0 0 6px;
  font-size: 1rem;
  color: var(--navy);
}

.education-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

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

.section-contact {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-2) 100%);
  color: #eef2f4;
}
.section-contact .section-title { color: #fff; }
.section-contact .section-lead { color: #c9d3d9; }

.contact-inner { text-align: left; }

.contact-links {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

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

.site-footer {
  padding: 28px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  background: var(--paper-2);
  border-top: 1px solid var(--border);
}

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

@media (max-width: 860px) {
  .main-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--paper-2);
    border-bottom: 1px solid var(--border);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    gap: 16px;
    transform: translateY(-130%);
    transition: transform 0.25s ease;
  }
  .main-nav.open { transform: translateY(0); }
  .nav-toggle { display: flex; }
  .nav-cta { align-self: flex-start; }
}