/* ============================================================
   Ryan Butt — Portfolio
   Stylesheet
   ============================================================ */

:root{
  --bg: #FAFAF8;
  --bg-alt: #F1F0EB;
  --ink: #131313;
  --ink-soft: #3B3B38;
  --muted: #6E6E68;
  --line: #DEDDD5;
  --accent: #C1432A;
  --paper: #FFFFFF;

  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", "SFMono-Regular", Consolas, monospace;

  --max: 1240px;
  --pad: 6vw;
}

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

html{
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *,*::before,*::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration: none; }

h1,h2,h3,h4{
  font-family: var(--serif);
  font-weight: 500;
  margin: 0;
  letter-spacing: -0.01em;
}

p{ margin: 0; }

.wrap{
  max-width: var(--max);
  margin: 0 auto;
  padding-left: var(--pad);
  padding-right: var(--pad);
}

/* ---------- Skip link ---------- */
.skip-link{
  position:absolute;
  left:-999px;
  top:0;
  background:var(--ink);
  color:var(--bg);
  padding:10px 16px;
  z-index:200;
}
.skip-link:focus{ left: 12px; top: 12px; }

/* ---------- Top bar ---------- */
.topbar{
  position: sticky;
  top:0;
  z-index:100;
  background: rgba(250,250,248,0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}

.topbar-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-top: 18px;
  padding-bottom: 18px;
}

.brand{
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: 0.01em;
}

.brand .dot{ color: var(--accent); }

.nav-toggle{
  display:none;
  background:none;
  border:1px solid var(--line);
  width:42px;
  height:42px;
  border-radius:2px;
  cursor:pointer;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:11px;
  right:11px;
  height:1px;
  background:var(--ink);
  transition: transform .25s ease, opacity .25s ease;
}
.nav-toggle span{ top:50%; }
.nav-toggle span::before{ top:-7px; }
.nav-toggle span::after{ top:7px; }
.nav-toggle.is-open span{ background:transparent; }
.nav-toggle.is-open span::before{ transform: translateY(7px) rotate(45deg); top:-7px;}
.nav-toggle.is-open span::after{ transform: translateY(-7px) rotate(-45deg); top:7px;}

.main-nav ul{
  list-style:none;
  display:flex;
  gap:34px;
  margin:0;
  padding:0;
}

.main-nav a{
  font-size:0.92rem;
  color: var(--ink-soft);
  position:relative;
  padding-bottom:3px;
}

.main-nav a::after{
  content:"";
  position:absolute;
  left:0; right:0; bottom:0;
  height:1px;
  background: var(--ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
}

.main-nav a:hover::after,
.main-nav a[aria-current="page"]::after{
  transform: scaleX(1);
}

.main-nav a[aria-current="page"]{ color: var(--ink); }

/* ---------- Hero ---------- */
.hero{
  padding-top: clamp(64px, 12vw, 140px);
  padding-bottom: clamp(40px, 8vw, 90px);
  border-bottom: 1px solid var(--line);
}

.hero-eyebrow{
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom: 28px;
}

.hero-eyebrow .pulse{
  width:7px; height:7px;
  border-radius:50%;
  background: var(--accent);
  flex:0 0 auto;
}

.hero h1{
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 0.98;
  max-width: 16ch;
}

.hero h1 em{
  font-style: italic;
  color: var(--ink-soft);
}

.hero-role{
  margin-top: 26px;
  font-family: var(--mono);
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  color: var(--ink-soft);
  min-height: 1.6em;
}

.hero-role .cursor{
  display:inline-block;
  width: 1px;
  height: 1em;
  background: var(--ink);
  margin-left: 3px;
  vertical-align: -2px;
  animation: blink 1s steps(1) infinite;
}

@keyframes blink{
  50%{ opacity: 0; }
}

.hero-grid{
  margin-top: 56px;
  display:grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items:end;
}

.hero-summary{
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

.hero-stats{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px 28px;
  border-top: 1px solid var(--line);
  padding-top: 22px;
}

.stat .num{
  font-family: var(--serif);
  font-size: 1.7rem;
}

.stat .label{
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-top: 4px;
}

/* ---------- Section scaffolding ---------- */
.section{
  padding-top: clamp(56px, 9vw, 100px);
  padding-bottom: clamp(56px, 9vw, 100px);
  border-bottom: 1px solid var(--line);
}

.section:last-of-type{ border-bottom: none; }

.section-head{
  display:flex;
  justify-content:space-between;
  align-items:flex-end;
  gap: 30px;
  margin-bottom: 48px;
}

.section-tag{
  font-family: var(--mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  display:block;
  margin-bottom: 14px;
}

.section-head h2{
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  max-width: 18ch;
}

.section-intro{
  max-width: 36ch;
  color: var(--muted);
  font-size: 0.96rem;
  text-align:right;
}

/* ---------- Log / ticker (signature element) ---------- */
.log{
  border-top: 1px solid var(--line);
}

.log-row{
  display:grid;
  grid-template-columns: 90px 1fr 220px;
  gap: 24px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  align-items:baseline;
}

.log-row .idx{
  font-family: var(--mono);
  color: var(--muted);
  font-size: 0.82rem;
}

.log-row .item-name{
  font-family: var(--serif);
  font-size: 1.25rem;
}

.log-row .item-meta{
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-align:right;
}

.log-row .item-meta .bar{
  display:inline-block;
  width: 70px;
  height: 3px;
  background: var(--line);
  margin-left: 10px;
  vertical-align: 2px;
  position:relative;
  overflow:hidden;
}

.log-row .item-meta .bar i{
  position:absolute;
  left:0; top:0; bottom:0;
  background: var(--ink);
  display:block;
}

/* ---------- Cards ---------- */
.grid-3{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.card{
  background: var(--paper);
  padding: 34px 30px;
}

.card .card-num{
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
}

.card h3{
  font-size: 1.25rem;
  margin-top: 14px;
}

.card p{
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.92rem;
}

/* ---------- Project feature ---------- */
.project-feature{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items:center;
  border: 1px solid var(--line);
  padding: 48px;
  background: var(--paper);
}

.project-feature .pf-label{
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--accent);
}

.project-feature h3{
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-top: 16px;
}

.project-feature p{
  margin-top: 18px;
  color: var(--ink-soft);
}

.project-feature .pf-meta{
  margin-top: 26px;
  display:flex;
  gap: 28px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  flex-wrap:wrap;
}

.pf-visual{
  border: 1px solid var(--line);
  background:
    repeating-linear-gradient(135deg, var(--bg-alt) 0 2px, transparent 2px 14px);
  aspect-ratio: 4/3;
  display:flex;
  align-items:center;
  justify-content:center;
  position:relative;
  overflow:hidden;
}

.pf-visual .pf-tag{
  font-family: var(--mono);
  font-size: 0.8rem;
  background: var(--ink);
  color: var(--bg);
  padding: 8px 14px;
}

/* ---------- Buttons / links ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.02em;
  border: 1px solid var(--ink);
  padding: 13px 22px;
  background: transparent;
  cursor:pointer;
  transition: background .2s ease, color .2s ease;
}

.btn:hover{ background: var(--ink); color: var(--bg); }

.btn-solid{
  background: var(--ink);
  color: var(--bg);
}
.btn-solid:hover{ background: var(--accent); border-color: var(--accent); }

.btn-arrow{ transition: transform .2s ease; }
.btn:hover .btn-arrow{ transform: translateX(3px); }

.text-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  border-bottom: 1px solid var(--ink);
  padding-bottom: 2px;
  font-size:0.95rem;
}

/* ---------- Footer ---------- */
.site-footer{
  padding: 50px 0 36px;
}

.footer-grid{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 30px;
  flex-wrap:wrap;
}

.footer-col h4{
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform:uppercase;
  letter-spacing: 0.07em;
  color: var(--muted);
  margin-bottom: 14px;
}

.footer-col a, .footer-col p{
  display:block;
  font-size: 0.92rem;
  margin-bottom: 8px;
  color: var(--ink-soft);
}

.footer-col a:hover{ color: var(--ink); }

.footer-bottom{
  margin-top: 50px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display:flex;
  justify-content:space-between;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  flex-wrap:wrap;
  gap:10px;
}

/* ---------- Page header (non-home pages) ---------- */
.page-head{
  padding-top: clamp(56px, 10vw, 110px);
  padding-bottom: clamp(40px, 7vw, 70px);
  border-bottom: 1px solid var(--line);
}

.page-head .section-tag{ margin-bottom: 18px; }

.page-head h1{
  font-size: clamp(2.2rem, 5.5vw, 3.6rem);
  max-width: 18ch;
}

.page-head .lede{
  margin-top: 22px;
  max-width: 56ch;
  color: var(--muted);
  font-size: 1.05rem;
}

/* ---------- Skills page specific ---------- */
.skill-block{
  border-top: 1px solid var(--line);
  padding: 38px 0;
  display:grid;
  grid-template-columns: 70px 1fr 1fr;
  gap: 30px;
}

.skill-block:last-child{ border-bottom: 1px solid var(--line); }

.skill-block .sb-index{
  font-family: var(--mono);
  color: var(--muted);
  font-size: 0.85rem;
}

.skill-block h3{
  font-size: 1.4rem;
}

.skill-block .sb-tag{
  display:inline-block;
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  text-transform:uppercase;
  letter-spacing: 0.05em;
}

.skill-block p{
  color: var(--muted);
  font-size: 0.95rem;
  align-self:start;
}

/* ---------- Contact page specific ---------- */
.contact-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
}

.contact-form .field{
  margin-bottom: 26px;
}

.contact-form label{
  display:block;
  font-family: var(--mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 8px;
}

.contact-form input,
.contact-form textarea{
  width:100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--line);
  padding: 10px 2px;
  font-family: var(--sans);
  font-size: 1rem;
  color: var(--ink);
  transition: border-color .2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus{
  outline:none;
  border-bottom-color: var(--ink);
}

.contact-form textarea{ resize: vertical; min-height: 110px; }

.form-note{
  margin-top: 14px;
  font-size: 0.82rem;
  color: var(--muted);
}

.form-note.success{ color: var(--accent); }

.contact-direct{
  border-left: 1px solid var(--line);
  padding-left: 60px;
}

.contact-direct .cd-row{
  margin-bottom: 36px;
}

.contact-direct .cd-row h4{
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform:uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 10px;
}

.contact-direct .cd-row a,
.contact-direct .cd-row p{
  font-family: var(--serif);
  font-size: 1.3rem;
}

/* ---------- Focus visibility ---------- */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

/* ---------- Responsive ---------- */
@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; gap: 36px; }
  .grid-3{ grid-template-columns: 1fr; }
  .project-feature{ grid-template-columns: 1fr; padding: 30px; }
  .contact-grid{ grid-template-columns: 1fr; gap: 40px; }
  .contact-direct{ border-left:none; padding-left:0; border-top:1px solid var(--line); padding-top: 36px; }
  .skill-block{ grid-template-columns: 50px 1fr; }
  .skill-block p{ grid-column: 1 / -1; }
  .log-row{ grid-template-columns: 50px 1fr; }
  .log-row .item-meta{ grid-column: 1 / -1; text-align:left; padding-left: 74px; }
}

@media (max-width: 720px){
  .nav-toggle{ display:block; }
  .main-nav{
    position:fixed;
    inset: 0;
    top: 73px;
    background: var(--bg);
    transform: translateY(-12px);
    opacity:0;
    pointer-events:none;
    transition: opacity .2s ease, transform .2s ease;
    padding: 30px var(--pad);
    border-top: 1px solid var(--line);
  }
  .main-nav.is-open{
    opacity:1;
    transform: translateY(0);
    pointer-events:auto;
  }
  .main-nav ul{
    flex-direction:column;
    gap: 22px;
  }
  .main-nav a{ font-size: 1.3rem; font-family: var(--serif); }
  .section-head{ flex-direction:column; align-items:flex-start; }
  .section-intro{ text-align:left; }
  .footer-grid{ flex-direction:column; gap: 30px; }
}