/* ================================
   Austin Portfolio — style.css
   Organization
   01) Tokens (CSS variables)
   02) Base / Reset
   03) Layout (grid, rails, container, main)
   04) Header / Navigation
   05) Sections & Typography helpers
   06) Components (cards, chips, map)
   07) Footer
   08) Media Queries
================================ */

/* 01) TOKENS -------------------------------------------------------- */
:root {
    --ink:   #0a0a0a;
    --muted: #666;
    --paper: #f7f7f8;
    --line:  #e8e8ea;
    --card:  #ffffff;
    --accent:#0a0a0a;
    --radius:18px;
    --shadow:0 8px 30px rgba(0,0,0,.06);
  }
  
  /* 02) BASE / RESET -------------------------------------------------- */
  * { box-sizing: border-box; }
  html, body { height: 100%; }
  body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
    color: var(--ink);
    background: var(--paper);
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
  }
  a { color: inherit; text-decoration: none; }
  img { max-width: 100%; display: block; }
  
  /* 03) LAYOUT -------------------------------------------------------- */
  .grid {
    display: grid;
    grid-template-columns: 84px minmax(0,1fr) 72px;
    min-height: 100vh;
  }
  .rail-left {
    position: sticky;
    top: 0;
    height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-right: 1px solid var(--line);
    background: #fff5;
    backdrop-filter: saturate(1.1) blur(6px);
    padding: 24px 0;
  }
  
  .rail-right {
      position: sticky;
      top: 0;
      height: 100vh;
      display: flex;
      align-items: center;
      justify-content: center;
      pointer-events: none;
      z-index: 9999;
      pointer-events: auto; 
  }
  .grid { align-items: start; }
  .divider { width: 1px; height: 40px; background: var(--line); }
  .vertical-name {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    letter-spacing: .28em;
    font-weight: 700;
    font-size: .85rem;
  }
  main { padding: 40px 24px; }
  .container { max-width: 1120px; margin: 0 auto; }
  
  /* 04) HEADER / NAVIGATION ------------------------------------------ */
  .topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }
  .brand { font-weight: 800; font-size: clamp(24px,3vw,40px); letter-spacing: -.02em; }
  .nav {
    display: none;
    gap: 22px;
    font-weight: 700;
    color: var(--muted);
  }
  .nav a { padding: 8px 0; }
  .nav a:hover { color: var(--ink); }
  
  /* 05) SECTIONS & TYPE ----------------------------------------------- */
  .about-row {
    display: flex;
    align-items: flex-start;
    gap: 24px;
    flex-wrap: wrap;
  }
  
  .about-logo {
    width: 80px;
    height: auto;
    flex-shrink: 0;
    opacity: 0.8;
  }
  .section { padding: 48px 0; }
  .kicker {
    letter-spacing: .22em;
    color: var(--muted);
    font-weight: 800;
    font-size: .75rem;
    text-transform: uppercase;
  }
  .cv-button {
    display: inline-block;
    margin: 28px 0;
    padding: 14px 32px;
    border: 2px solid var(--ink);
    border-radius: 999px;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    font-size: 0.85rem;
    background: transparent;
    color: var(--ink);
    transition: all 0.3s ease;
  }
  .cv-button:hover {
    background: var(--ink);
    color: #fff;
  }
  
  .edu-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-top: 40px;
  }
  .edu-logo {
    width: 72px;
    height: auto;
    opacity: 0.85;
    flex-shrink: 0;
  }
  .edu-title {
    margin: 0 0 8px;
    font-weight: 800;
    font-size: 1.3rem;
  }
  .edu-body {
    margin: 0;
    color: #3a3a3a;
    line-height: 1.7;
    max-width: 720px;
  }
  .h2 {
    font-size: clamp(24px,2.6vw,36px);
    font-weight: 800;
    letter-spacing: -.02em;
    margin: .4rem 0 1rem;
  }
  .lead { max-width: 760px; color: #3a3a3a; line-height: 1.7; }
  .hrdots {
    height: 8px;
    background: repeating-linear-gradient(90deg, var(--ink) 0 16px, transparent 16px 28px);
    opacity: .7;
    border-radius: 4px;
    margin: 22px 0 28px;
  }
  
  /* 06) COMPONENTS ---------------------------------------------------- */
  .grid-cards { display: grid; grid-template-columns: 1fr; gap: 18px; }
  .card {
    background: var(--card);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  .card h3 { margin: 0; font-size: 1.05rem; }
  .tag { display: inline-block; border: 1px solid var(--line); padding: 6px 10px; border-radius: 999px; font-size: .78rem; color: #444; }
  
  .chip {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    letter-spacing: .3em;
    font-weight: 700;
    font-size: .8rem;
    background: #fff;
    border: 1px solid var(--line);
    padding: 14px 10px;
    border-radius: 999px;
    box-shadow: var(--shadow);
    display: inline-flex; 
  }
  
  .card-grid {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: start;
    gap: 12px;
  }
  
  .card-main {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  
  .card-side {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: flex-end;
    gap: 6px;
  }
  
  .card-side .tag {
    background: #fff;
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 6px 10px;
    font-size: .78rem;
    font-weight: 500;
  }
  
  .hovercard {
    position: relative;
    overflow: hidden;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
    cursor: pointer;
  }
  
  .hovercard:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  }
  
  .card-more {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    transition: all 0.4s ease;
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.6;
  }
  
  .hovercard:hover .card-more {
    opacity: 1;
    max-height: 220px;
    margin-top: 6px;
  }
  
  .hovercard:hover p {
    opacity: 0.6;
  }
  
  .form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .form-grid label {
    display:block;
    font-size:.85rem;
    font-weight:700;
    letter-spacing:.02em;
    color: var(--muted);
    margin-bottom:6px;
  }
  .form-grid input,
  .form-grid textarea {
    width:100%;
    padding:12px 14px;
    border:1px solid var(--line);
    border-radius: var(--radius);
    background:#fff;
    font:inherit;
    color: var(--ink);
  }
  .form-grid input:focus,
  .form-grid textarea:focus {
    outline:2px solid #00000010;
    border-color:#d0d0d2;
  }
  .form-span-2 { grid-column: 1 / -1; }
  .form-actions { display:flex; align-items:center; gap:14px; }
  .form-status { color: var(--muted); font-size:.9rem; }

.bridge {
  position: relative;
  margin-top: 18px;
  padding: 22px 18px;
  border: 1px solid #e9e9e9;
  border-radius: 22px;
  background: #fff;
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 18px;
  align-items: start;
}

.bridge-track {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(1200px 260px at 50% 45%, #f4f4f4 0%, transparent 60%),
    radial-gradient(900px 240px at 50% 60%, #f7f7f7 0%, transparent 55%);
  pointer-events: none;
}

.bridge-step { position: relative; z-index: 1; }

.bridge-box {
  border: 1px solid #e7e7e7;
  background: #fcfcfc;
  border-radius: 18px;
  padding: 16px 16px 14px;
  box-shadow: 0 10px 26px rgba(0,0,0,0.04);
}

.bridge-label {
  font-size: 12px;
  letter-spacing: .14em;
  font-weight: 700;
  color: #111;
}

.bridge-sub {
  margin-top: 8px;
  font-size: 14px;
  color: #444;
  line-height: 1.35;
}

.bridge-chips {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chipx {
  display: inline-flex;
  align-items: center;
  padding: 7px 10px;
  border: 1px solid #ededed;
  background: #fff;
  border-radius: 999px;
  font-size: 12px;
  color: #333;
  line-height: 1;
}

.bridge-arrow {
  position: relative;
  z-index: 1;
  margin-top: 24px;
  font-size: 22px;
  color: #a0a0a0;
  user-select: none;
}

.bridge-step:hover .bridge-box {
  border-color: #dcdcdc;
  transform: translateY(-1px);
  transition: transform .18s ease, border-color .18s ease;
}
.bridge-step .bridge-box {
  transition: transform .18s ease, border-color .18s ease;
}

.projects-layout {
  display: grid;
  grid-template-columns: 320px minmax(0,1fr);
  gap: 22px;
  margin-top: 22px;
  align-items: start;
}

.profile-card {
  position: sticky;
  top: 28px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  height: fit-content;
}

.profile-photo {
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  background: #fff;
  aspect-ratio: 1 / 1;
}
.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-name {
  margin-top: 14px;
  font-weight: 900;
  font-size: 1.2rem;
  letter-spacing: -.01em;
}
.profile-sub {
  margin-top: 6px;
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.4;
}

.profile-nav {
  margin-top: 16px;
  display: grid;
  gap: 10px;
}

.profile-link {
  display: block;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  font-weight: 800;
  color: #333;
}
.profile-link:hover { border-color: #d7d7d9; }
.profile-link.is-active {
  background: #fcfcfc;
  border-color: #d7d7d9;
  color: var(--ink);
}

.profile-icons {
  display: flex;
  gap: 10px;
  margin-top: 16px;
}

.iconbtn {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  background: #fff;
  font-weight: 900;
  color: #333;
}
.iconbtn:hover { border-color: #d7d7d9; }

.panel-head { padding: 18px 18px 0; }
.panel-title { margin: 0; font-size: 1.1rem; font-weight: 900; }
.panel-note { margin-top: 6px; color: var(--muted); font-size: .92rem; }

.accordion { margin-top: 14px; display: grid; gap: 14px; }

.acc-item {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.acc-btn {
  width: 100%;
  border: 0;
  background: #fbfbfb;
  padding: 16px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  cursor: pointer;
  text-align: left;
}

.acc-title { font-weight: 900; font-size: 1rem; letter-spacing: -.01em; }
.acc-dim { color: var(--muted); font-weight: 800; }
.acc-icon { color: #999; font-size: 18px; line-height: 1; user-select: none; }

.acc-panel {
  padding: 16px 18px 18px;
  border-top: 1px solid var(--line);
  background: #fff;
}

.acc-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 12px; }
.acc-body p { margin: 0 0 10px; color: #3a3a3a; line-height: 1.7; }
.acc-list { margin: 10px 0 0; padding-left: 18px; color: #3a3a3a; line-height: 1.7; }
.acc-cta { margin-top: 14px; display: flex; flex-wrap: wrap; gap: 10px; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-weight: 800;
  color: #333;
}
.btn-outline:hover { border-color: #d7d7d9; }

/* 07) FOOTER -------------------------------------------------------- */
footer { padding: 40px 0; color: var(--muted); }
.foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.social a { border: 1px solid var(--line); padding: 8px 12px; border-radius: 999px; background: #fff; }

/* 08) MEDIA QUERIES ------------------------------------------------- */
@media (min-width: 760px) {
  .grid-cards { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
  .rail-left { display: flex; }
  main { padding: 56px 40px; }
  .nav { display: flex; }
  .about-logo { width: 100px; }
}
@media (min-width: 1024px) {
  .rail-right {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    padding-top: 30vh;
    align-items: center;
    gap: 28px;
  }
}
@media (min-width: 1100px) {
  .grid-cards { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1200px) {
  .grid { grid-template-columns: 96px minmax(0,1fr) 96px; }
  main { padding: 72px 80px; }
}
@media (max-width: 980px) {
  .projects-layout { grid-template-columns: 1fr; }
  .profile-card { position: relative; top: auto; }
}
@media (max-width: 820px) {
  .bridge {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .bridge-arrow { display: none; }
  .bridge-track {
    background:
      radial-gradient(900px 260px at 50% 30%, #f4f4f4 0%, transparent 60%),
      radial-gradient(700px 240px at 50% 55%, #f7f7f7 0%, transparent 55%);
  }
}
@media (max-width: 768px) {
  /* Hide both rails */
  .rail-left,
  .rail-right { display: none !important; }

  /* Collapse to single column */
  .grid { grid-template-columns: 1fr; }

  main { padding: 24px 16px; }

  /* Topbar stacks */
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  /* Show nav on mobile */
  .nav {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    font-size: .85rem;
  }

  .brand { font-size: 1.6rem; }

  /* Single column cards */
  .grid-cards { grid-template-columns: 1fr; }

  /* Contact form single column */
  .form-grid { grid-template-columns: 1fr; }
  .form-span-2 { grid-column: auto; }

  /* Accordion */
  .acc-btn { padding: 14px; }
  .acc-panel { padding: 14px; }

  /* Education */
  .edu-item { flex-direction: column; align-items: flex-start; }
  .edu-logo { width: 56px; }

  /* CV button */
  .cv-button { padding: 12px 24px; font-size: 0.8rem; }

  /* Section padding */
  .section { padding: 32px 0; }
}
/* H2 sizing */
  .h2 { font-size: 1.5rem; }

  /* Lead text full width */
  .lead { max-width: 100%; }

  /* Tags wrap cleanly */
  .acc-tags { gap: 8px; }
  .acc-cta { flex-direction: column; }
  .btn-outline { width: 100%; justify-content: center; }

  /* Footer stack */
  .foot { flex-direction: column; align-items: flex-start; gap: 16px; }
  .social { display: flex; flex-wrap: wrap; gap: 8px; }