/* ================================================================
   Benjamin Warner — portfolio
   aesthetic: orbital instrument panel · deep ink · amber + teal
   ================================================================ */

:root {
  --bg: #07090d;
  --bg-2: #0c1017;
  --panel: rgba(18, 23, 32, 0.6);
  --line: rgba(232, 228, 217, 0.1);
  --line-strong: rgba(232, 228, 217, 0.22);
  --ink: #e8e4d9;
  --muted: #9aa0aa;
  --dim: #6b7280;
  --amber: #ffb454;
  --amber-soft: rgba(255, 180, 84, 0.14);
  --teal: #64d8c6;
  --teal-soft: rgba(100, 216, 198, 0.12);
  --serif: "Instrument Serif", Georgia, serif;
  --sans: "Schibsted Grotesk", "Helvetica Neue", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
  --maxw: 1100px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--amber); color: #14100a; }

a { color: inherit; }

.mono {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

em { font-style: italic; }

/* ---------------- ambient background ---------------- */

.bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  background:
    radial-gradient(1200px 800px at 75% -10%, #11161f 0%, transparent 60%),
    var(--bg);
}

.bg-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line) 1px, transparent 1px),
    linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.25;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, black 30%, transparent 100%);
}

.bg-orbits {
  position: absolute;
  top: -38vh;
  right: -28vw;
  width: 110vmax;
  height: 110vmax;
  opacity: 0.85;
}

.orbit-ring {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1;
}
.orbit-ring.dashed { stroke-dasharray: 3 9; }
.orbit-ring.faint { stroke: var(--line); }

.node { fill: var(--ink); }
.node.amber { fill: var(--amber); filter: drop-shadow(0 0 8px rgba(255, 180, 84, 0.9)); }
.node.teal { fill: var(--teal); filter: drop-shadow(0 0 7px rgba(100, 216, 198, 0.8)); }
.node.dim { fill: var(--dim); }

.spin { animation: spin 240s linear infinite; }
.spin-mid { animation-duration: 180s; animation-direction: reverse; }
@keyframes spin { to { transform: rotate(360deg); } }

.stars circle { fill: var(--ink); opacity: 0.35; animation: twinkle 4s ease-in-out infinite; }
.stars circle:nth-child(2n) { animation-delay: 1.3s; }
.stars circle:nth-child(3n) { animation-delay: 2.6s; animation-duration: 6s; }
@keyframes twinkle { 50% { opacity: 0.08; } }

.bg-glow {
  position: absolute;
  border-radius: 50%;
  filter: blur(120px);
  opacity: 0.5;
}
.glow-amber {
  width: 520px; height: 520px;
  top: -180px; right: -120px;
  background: radial-gradient(circle, rgba(255, 180, 84, 0.14), transparent 70%);
}
.glow-teal {
  width: 640px; height: 640px;
  bottom: -260px; left: -200px;
  background: radial-gradient(circle, rgba(100, 216, 198, 0.08), transparent 70%);
}

.bg-grain {
  position: absolute;
  inset: 0;
  opacity: 0.5;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 0.9 0 0 0 0 0.88 0 0 0 0 0.84 0 0 0 0.04 0'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ---------------- scroll progress ---------------- */

.scroll-progress {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: 2px;
  z-index: 60;
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--amber), var(--teal));
}

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

.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  transition: background 0.4s, border-color 0.4s, padding 0.4s;
  border-bottom: 1px solid transparent;
}
.nav.scrolled {
  background: rgba(7, 9, 13, 0.82);
  backdrop-filter: blur(14px);
  border-bottom-color: var(--line);
  padding-top: 0.7rem;
  padding-bottom: 0.7rem;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  font-family: var(--mono);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
}
.nav-brand svg { color: var(--ink); }
.brand-moon { transform-origin: 32px 32px; animation: spin 14s linear infinite; }

.nav-links {
  display: flex;
  gap: clamp(0.8rem, 2.5vw, 1.8rem);
}
.nav-links a {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--muted);
  padding: 0.3rem 0;
  position: relative;
  transition: color 0.25s;
}
.nav-links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 1px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.35s var(--ease);
}
.nav-links a:hover, .nav-links a.active { color: var(--ink); }
.nav-links a:hover::after, .nav-links a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--amber);
  border: 1px solid rgba(255, 180, 84, 0.4);
  padding: 0.45rem 0.9rem;
  border-radius: 99px;
  transition: background 0.25s, color 0.25s, border-color 0.25s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--amber); color: #14100a; border-color: var(--amber); }

/* ---------------- layout ---------------- */

main {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
}

.section { padding: clamp(4rem, 9vw, 7.5rem) 0; }

.section-head {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
  border-bottom: 1px solid var(--line);
  padding-bottom: 1.25rem;
}
.section-index {
  color: var(--amber);
  font-size: 0.8rem;
}
.section-head h2 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1;
}
.section-head h2 em { color: var(--amber); }

/* ---------------- reveal animation ---------------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease);
  transition-delay: var(--d, 0s);
}
.reveal.visible { opacity: 1; transform: none; }

/* ---------------- hero ---------------- */

.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7rem 0 4rem;
  position: relative;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.74rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--teal);
  margin-bottom: 1.75rem;
}
.eyebrow::before {
  content: "● ";
  color: var(--amber);
  font-size: 0.6em;
  vertical-align: 2px;
}

.hero-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 7.4vw, 5.6rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  max-width: 17ch;
}
.hero-title .line { display: block; }
.hero-title em {
  color: var(--amber);
  position: relative;
  white-space: nowrap;
}
.hero-title em::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.06em;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, var(--amber), transparent);
}

.hero-sub {
  margin-top: 2rem;
  max-width: 56ch;
  color: var(--muted);
  font-size: clamp(1rem, 1.6vw, 1.15rem);
}
.hero-sub a {
  color: var(--ink);
  text-decoration-color: var(--teal);
  text-underline-offset: 4px;
  transition: color 0.25s;
}
.hero-sub a:hover { color: var(--teal); }
.hero-sub strong { color: var(--ink); font-weight: 600; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.85rem 1.5rem;
  border-radius: 99px;
  transition: transform 0.3s var(--ease), background 0.3s, color 0.3s, border-color 0.3s, box-shadow 0.3s;
}
.btn-arrow { transition: transform 0.3s var(--ease); display: inline-block; }
.btn:hover .btn-arrow { transform: translateX(4px); }

.btn-primary {
  background: var(--amber);
  color: #14100a;
  box-shadow: 0 0 0 rgba(255, 180, 84, 0);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 180, 84, 0.35);
}

.btn-ghost {
  color: var(--ink);
  border: 1px solid var(--line-strong);
}
.btn-ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
  transform: translateY(-2px);
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 3rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--dim);
}
.status-dot {
  width: 8px; height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 0 0 rgba(100, 216, 198, 0.6);
  animation: ping 2.4s ease-out infinite;
}
@keyframes ping {
  0% { box-shadow: 0 0 0 0 rgba(100, 216, 198, 0.6); }
  70%, 100% { box-shadow: 0 0 0 10px rgba(100, 216, 198, 0); }
}

.hero-scroll {
  position: absolute;
  bottom: 2.2rem;
  left: 0;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--dim);
}
.scroll-line {
  display: block;
  width: 72px;
  height: 1px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--amber);
  transform: translateX(-100%);
  animation: slide 2.2s var(--ease) infinite;
}
@keyframes slide { 60%, 100% { transform: translateX(100%); } }

/* ---------------- project cards ---------------- */

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.5rem, 3.5vw, 2.5rem);
  backdrop-filter: blur(8px);
  transition: border-color 0.4s, transform 0.4s var(--ease), box-shadow 0.4s;
  position: relative;
  overflow: hidden;
}
.card:hover {
  border-color: rgba(255, 180, 84, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 180, 84, 0.5), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.card:hover::before { opacity: 1; }

.card-featured {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: center;
  margin-bottom: 1.5rem;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  color: var(--dim);
  margin-bottom: 1.1rem;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 1px solid var(--line-strong);
  border-radius: 99px;
  padding: 0.3rem 0.8rem;
  color: var(--muted);
}
.tag-live { border-color: rgba(100, 216, 198, 0.45); color: var(--teal); }
.live-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  animation: ping 2.4s ease-out infinite;
}

.card-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.9rem, 3.6vw, 2.7rem);
  line-height: 1.05;
  display: flex;
  align-items: center;
  gap: 0.7rem;
}

.title-orbit { width: 38px; height: 38px; overflow: visible; }
.title-orbit ellipse { fill: none; stroke: var(--line-strong); }
.title-orbit-dot { fill: var(--teal); }

.card-lede {
  margin-top: 0.9rem;
  color: var(--muted);
  font-size: 1.02rem;
  max-width: 58ch;
}

.card-points {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.7rem;
}
.card-points li {
  position: relative;
  padding-left: 1.4rem;
  font-size: 0.92rem;
  color: var(--muted);
}
.card-points li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--amber);
}
.card-points code {
  font-family: var(--mono);
  font-size: 0.8em;
  background: var(--amber-soft);
  color: var(--amber);
  padding: 0.1em 0.4em;
  border-radius: 5px;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.6rem;
}
.card-tags span {
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 0.3rem 0.65rem;
  color: var(--dim);
  font-size: 0.68rem;
  transition: color 0.25s, border-color 0.25s;
}
.card:hover .card-tags span { color: var(--muted); }
.card-tags span:hover { border-color: var(--teal); color: var(--teal) !important; }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.6rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--teal);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s;
}
.card-link:hover { border-bottom-color: var(--teal); }

/* hub & spoke diagram */
.card-visual { min-width: 0; }
.hub-svg { width: 100%; height: auto; }

.spoke {
  stroke: var(--line-strong);
  stroke-width: 1;
  stroke-dasharray: 4 6;
  animation: dashflow 1.6s linear infinite;
}
@keyframes dashflow { to { stroke-dashoffset: -10; } }
.spoke.s2 { animation-duration: 2s; }
.spoke.s3 { animation-duration: 1.4s; }
.spoke.s4 { animation-duration: 2.3s; }
.spoke.s5 { animation-duration: 1.8s; }

.packets circle { fill: var(--amber); filter: drop-shadow(0 0 5px rgba(255, 180, 84, 0.9)); }
.packets circle:nth-child(2n) { fill: var(--teal); filter: drop-shadow(0 0 5px rgba(100, 216, 198, 0.9)); }

.hub-core {
  fill: #14100a;
  stroke: var(--amber);
  stroke-width: 1.5;
}
.hub-pulse {
  fill: none;
  stroke: var(--amber);
  stroke-width: 1;
  opacity: 0.6;
  animation: hubpulse 2.6s ease-out infinite;
  transform-origin: 210px 210px;
}
@keyframes hubpulse {
  0% { transform: scale(0.75); opacity: 0.7; }
  100% { transform: scale(1.5); opacity: 0; }
}
.hub-label {
  fill: var(--amber);
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-anchor: middle;
}
.spoke-nodes circle {
  fill: var(--bg-2);
  stroke: var(--line-strong);
  stroke-width: 1;
}
.spoke-nodes text {
  fill: var(--dim);
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  text-anchor: middle;
}

/* two-up cards */
.card-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

/* full-width card with side terminal */
.card-wide {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  align-items: center;
  margin-top: 1.5rem;
}
.card-wide .terminal { margin-top: 0; }

/* terminal */
.terminal {
  margin-top: 1.4rem;
  background: #05070a;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}
.terminal-bar {
  display: flex;
  gap: 6px;
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid var(--line);
}
.terminal-bar span {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--line-strong);
}
.terminal-bar span:first-child { background: rgba(255, 120, 100, 0.6); }
.terminal-bar span:nth-child(2) { background: rgba(255, 180, 84, 0.6); }
.terminal-bar span:nth-child(3) { background: rgba(100, 216, 198, 0.6); }
.terminal pre {
  padding: 1rem 1.1rem;
  font-size: 0.78rem;
  line-height: 1.7;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--muted);
  overflow-x: auto;
}
.t-prompt { color: var(--teal); }
.t-ok { color: var(--teal); }
.t-dim { color: var(--dim); }
.t-cursor { color: var(--amber); animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }

/* mini project cards */
.mini-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}
.mini {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.5rem;
  transition: border-color 0.35s, transform 0.35s var(--ease);
}
.mini:hover { border-color: rgba(100, 216, 198, 0.4); transform: translateY(-3px); }
.mini-icon {
  font-size: 1.4rem;
  color: var(--teal);
  display: block;
  margin-bottom: 0.8rem;
}
.mini h4 {
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.4rem;
}
.mini p { font-size: 0.85rem; color: var(--muted); }

/* ---------------- timeline ---------------- */

.timeline {
  position: relative;
  padding-left: 2rem;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--amber), var(--line) 35%, var(--line));
}

.t-item {
  position: relative;
  display: grid;
  gap: 0.2rem;
  padding-bottom: clamp(2rem, 4vw, 3rem);
}
.t-item:last-child { padding-bottom: 0; }

.t-marker {
  position: absolute;
  left: -2rem;
  top: 6px;
}
.t-dot {
  display: block;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--dim);
}
.t-dot.active {
  border-color: var(--amber);
  background: var(--amber);
  box-shadow: 0 0 12px rgba(255, 180, 84, 0.7);
}

.t-when { color: var(--amber); margin-bottom: 0.35rem; }
.t-content h3 {
  font-weight: 600;
  font-size: 1.15rem;
}
.t-co { color: var(--muted); font-weight: 400; }
.t-where { color: var(--dim); margin: 0.25rem 0 0.7rem; }
.t-content ul {
  list-style: none;
  display: grid;
  gap: 0.45rem;
}
.t-content li {
  position: relative;
  padding-left: 1.3rem;
  font-size: 0.92rem;
  color: var(--muted);
}
.t-content li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--teal);
}

/* ---------------- skills ---------------- */

.skills-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.skill-group {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.5rem;
  transition: border-color 0.35s;
}
.skill-group:hover { border-color: var(--line-strong); }
.skill-group:first-child { grid-column: 1 / -1; }
.skill-group h4 {
  color: var(--amber);
  margin-bottom: 1rem;
  font-weight: 500;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chips span {
  font-size: 0.82rem;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 99px;
  padding: 0.35rem 0.85rem;
  transition: color 0.25s, border-color 0.25s, transform 0.25s var(--ease);
  cursor: default;
}
.chips span:hover {
  color: var(--ink);
  border-color: var(--amber);
  transform: translateY(-2px);
}

/* ---------------- education ---------------- */

.edu-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.edu-card {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.75rem;
  background: var(--panel);
  transition: border-color 0.35s, transform 0.35s var(--ease);
}
.edu-card:hover { border-color: rgba(255, 180, 84, 0.35); transform: translateY(-3px); }
.edu-card h3 {
  font-family: var(--serif);
  font-weight: 400;
  font-size: 1.7rem;
  margin-top: 0.3rem;
}
.edu-school { color: var(--muted); margin-top: 0.4rem; font-size: 0.95rem; }
.edu-note { color: var(--teal); font-size: 0.85rem; margin-top: 0.5rem; }

.courses { margin-top: 1.75rem; }
.courses h4 { color: var(--amber); margin-bottom: 1rem; font-weight: 500; }

/* ---------------- contact ---------------- */

.contact-big {
  font-family: var(--serif);
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 1.05;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.contact-big em { color: var(--amber); }

.contact-grid {
  display: grid;
  border-top: 1px solid var(--line);
}
.contact-row {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  align-items: center;
  gap: 1.5rem;
  padding: 1.3rem 0.5rem;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
  background: none;
  border-left: none;
  border-right: none;
  border-top: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.3s, padding-left 0.35s var(--ease);
}
.contact-row:hover {
  background: rgba(255, 180, 84, 0.04);
  padding-left: 1.2rem;
}
.contact-label { color: var(--dim); }
.contact-value {
  font-size: clamp(1rem, 2.4vw, 1.35rem);
  font-weight: 500;
  transition: color 0.25s;
}
.contact-row:hover .contact-value { color: var(--amber); }
.contact-row .btn-arrow { color: var(--dim); font-size: 1.1rem; }
.contact-row:hover .btn-arrow { transform: translateX(4px); color: var(--amber); }

/* ---------------- footer ---------------- */

.footer {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2.5rem clamp(1.25rem, 4vw, 3rem) 3rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  color: var(--dim);
  border-top: 1px solid var(--line);
}

/* ---------------- responsive ---------------- */

@media (max-width: 900px) {
  .card-featured { grid-template-columns: 1fr; }
  .card-visual { max-width: 360px; margin: 0 auto; }
  .mini-row { grid-template-columns: 1fr; }
  .card-row, .card-wide, .skills-grid, .edu-row { grid-template-columns: 1fr; }
  .skill-group:first-child { grid-column: auto; }
}

@media (max-width: 680px) {
  .nav-links { display: none; }
  .contact-row { grid-template-columns: 1fr; gap: 0.3rem; padding: 1.1rem 0.5rem; }
  .contact-row .btn-arrow { display: none; }
  .hero-scroll { display: none; }
}

/* ---------------- reduced motion ---------------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .reveal { opacity: 1; transform: none; }
}