/* ============================================================
   Maruf Hossain — Portfolio
   Design system: dark-first, editorial/technical, restrained teal accent
   ============================================================ */

:root {
  --font-head: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-body: "Inter", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, monospace;

  /* Light palette (default tokens) */
  --bg: #f6f7f9;
  --bg-raised: #ffffff;
  --bg-sunken: #eef0f3;
  --ink: #0d1520;
  --ink-soft: #3c4657;
  --ink-faint: #6b7484;
  --border: #dde1e7;
  --border-strong: #c5cbd4;
  --accent: #0f8b8d;
  --accent-strong: #0a6b6d;
  --accent-ink: #ffffff;
  --accent-tint: rgba(15, 139, 141, 0.1);
  --shadow: 0 1px 2px rgba(13, 21, 32, 0.04), 0 8px 24px rgba(13, 21, 32, 0.06);
  --radius: 14px;
  --radius-sm: 8px;
  --focus-ring: #0f8b8d;
  --max-width: 1100px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0a0f16;
    --bg-raised: #10161f;
    --bg-sunken: #060a10;
    --ink: #eef1f5;
    --ink-soft: #b7c0cd;
    --ink-faint: #7e8a99;
    --border: #1d2733;
    --border-strong: #2b3745;
    --accent: #2dd4c8;
    --accent-strong: #7fe9de;
    --accent-ink: #05201f;
    --accent-tint: rgba(45, 212, 200, 0.12);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 32px rgba(0, 0, 0, 0.35);
  }
}

:root[data-theme="dark"] {
  --bg: #0a0f16;
  --bg-raised: #10161f;
  --bg-sunken: #060a10;
  --ink: #eef1f5;
  --ink-soft: #b7c0cd;
  --ink-faint: #7e8a99;
  --border: #1d2733;
  --border-strong: #2b3745;
  --accent: #2dd4c8;
  --accent-strong: #7fe9de;
  --accent-ink: #05201f;
  --accent-tint: rgba(45, 212, 200, 0.12);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 32px rgba(0, 0, 0, 0.35);
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background-color: var(--bg);
  background-image:
    radial-gradient(1100px 620px at 12% -12%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 65%),
    radial-gradient(900px 560px at 108% 4%, color-mix(in srgb, var(--accent) 9%, transparent), transparent 60%),
    repeating-linear-gradient(0deg, color-mix(in srgb, var(--ink) 4%, transparent) 0px, transparent 1px 48px),
    repeating-linear-gradient(90deg, color-mix(in srgb, var(--ink) 4%, transparent) 0px, transparent 1px 48px);
  background-repeat: no-repeat, no-repeat, repeat, repeat;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3, h4 {
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0;
  letter-spacing: -0.01em;
}
p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; }

:focus-visible {
  outline: 2px solid var(--focus-ring);
  outline-offset: 3px;
  border-radius: 4px;
}

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -60px;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top 0.2s ease;
  font-weight: 600;
}
.skip-link:focus { top: 1rem; }

/* Reveal-on-scroll base state lives early in the cascade so later,
   equal-specificity component :hover rules (e.g. .work-card:hover)
   win once an element has already settled into .is-visible. */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: 1.5rem;
  position: relative;
  z-index: 1;
}
@media (max-width: 420px) {
  .container { padding-inline: 1.1rem; }
}

section {
  position: relative;
  overflow: hidden;
  padding-block: clamp(3.5rem, 7vw, 6rem);
}
.section-alt { background: color-mix(in srgb, var(--bg-sunken) 92%, transparent); }

/* Oversized "echo" numeral in each numbered section — mirrors the 01–05
   index used in the nav so the whole page reads as one numbered system. */
.section-echo {
  position: absolute;
  top: -0.12em;
  right: clamp(-0.5rem, 3vw, 2.5rem);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(6rem, 18vw, 13rem);
  line-height: 1;
  color: var(--ink);
  opacity: 0.035;
  pointer-events: none;
  user-select: none;
  z-index: 0;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.eyebrow::before {
  content: "";
  width: 1.5rem;
  height: 1px;
  background: var(--accent);
}

/* Availability variant — swaps the hairline for a live status dot. */
.eyebrow-live::before { display: none; }
.eyebrow-live { color: var(--ink-soft); }
.live-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
  animation: live-pulse 2.4s ease-out infinite;
}
@keyframes live-pulse {
  0%   { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5); }
  70%  { box-shadow: 0 0 0 7px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}
@media (prefers-reduced-motion: reduce) {
  .live-dot { animation: none; }
}

.section-head {
  max-width: 640px;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}
.section-head h2 {
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  margin-top: 0.6rem;
}
.section-head p {
  margin-top: 0.9rem;
  color: var(--ink-soft);
  font-size: 1.05rem;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--accent);
  color: var(--accent-ink);
}
.btn-primary:hover { background: var(--accent-strong); }
.btn-ghost {
  background: transparent;
  border-color: var(--border-strong);
  color: var(--ink);
}
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* ---------- Header / Nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
}
/* Blur lives on a pseudo-element (not on .site-header itself) so the header
   never becomes a containing block for its position:fixed mobile-nav child
   — backdrop-filter/filter on an ancestor breaks fixed-position descendants. */
.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(150%) blur(10px);
  -webkit-backdrop-filter: saturate(150%) blur(10px);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.logo-mark {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.05rem;
  text-decoration: none;
  color: var(--ink);
}
.logo-badge {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--accent-tint);
  border: 1px solid var(--border);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.85rem;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  display: inline-flex;
  align-items: baseline;
  gap: 0.4rem;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding-block: 0.3rem;
}
.nav-links a:hover, .nav-links a.is-active { color: var(--ink); }
.nav-index {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent);
  opacity: 0.55;
  transition: opacity 0.15s ease;
}
.nav-links a:hover .nav-index, .nav-links a.is-active .nav-index { opacity: 1; }
.nav-links a.is-active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -2px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}

/* Scroll-progress hairline — replaces the old static header border;
   fills left-to-right with scroll position instead of just sitting there. */
.scroll-progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: var(--border);
}
.scroll-progress span {
  display: block;
  height: 100%;
  width: 0%;
  background: var(--accent);
}

.nav-actions { display: flex; align-items: center; gap: 0.75rem; }

.theme-toggle {
  display: inline-flex;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
  background: var(--bg-raised);
}
.theme-toggle button {
  border: none;
  background: transparent;
  color: var(--ink-faint);
  width: 30px;
  height: 30px;
  border-radius: 999px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.theme-toggle button.is-active {
  background: var(--accent-tint);
  color: var(--accent);
}
.theme-toggle svg { width: 16px; height: 16px; }

.menu-toggle {
  display: none;
  border: 1px solid var(--border-strong);
  background: var(--bg-raised);
  color: var(--ink);
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.menu-toggle svg { width: 20px; height: 20px; }

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    inset: 68px 0 0 0;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 2rem 1.5rem;
    gap: 1.5rem;
    transform: translateY(-8px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
    border-top: 1px solid var(--border);
  }
  .nav-links.is-open {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
  }
  .nav-links a { font-size: 1.15rem; }
  .menu-toggle { display: flex; }
  .nav-resume { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  padding-block: clamp(2rem, 4vw, 3.5rem) clamp(3rem, 6vw, 5rem);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.hero h1 {
  font-size: clamp(2rem, 4.4vw, 2.95rem);
  margin-top: 1rem;
}
.hero-accent { color: var(--accent); }
@supports (background-clip: text) or (-webkit-background-clip: text) {
  .hero-accent {
    background: linear-gradient(120deg, var(--accent), color-mix(in srgb, var(--accent) 45%, #7dd3fc));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
  }
}
.hero-lede {
  margin-top: 1.3rem;
  font-size: 1.1rem;
  color: var(--ink-soft);
  max-width: 54ch;
}
.hero-ctas {
  display: flex;
  gap: 0.9rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.hero-meta {
  display: flex;
  gap: 1.75rem;
  margin-top: 2.5rem;
  flex-wrap: wrap;
}
.hero-meta div strong {
  display: block;
  font-family: var(--font-head);
  font-size: 1.4rem;
}
.hero-meta div span {
  font-size: 0.85rem;
  color: var(--ink-faint);
}

.focus-panel {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}
.focus-panel .panel-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-weight: 600;
}
.focus-list { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.9rem; }
.focus-list li {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  font-size: 0.92rem;
  color: var(--ink-soft);
}
.focus-list li strong { color: var(--ink); font-weight: 600; }
.focus-dot {
  flex: none;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 0.55rem;
}

.system-diagram { margin-top: 1.5rem; border-top: 1px solid var(--border); padding-top: 1.25rem; }
.system-diagram svg { width: 100%; height: auto; display: block; }
.diagram-flow {
  stroke: var(--accent);
  stroke-width: 1.6;
  fill: none;
  stroke-dasharray: 6 7;
  animation: dash-flow 14s linear infinite;
}
.diagram-node { fill: var(--bg-raised); stroke: var(--border-strong); stroke-width: 1.4; }
.diagram-node.is-accent { stroke: var(--accent); }
.diagram-dot { fill: var(--accent); }
@keyframes dash-flow {
  to { stroke-dashoffset: -260; }
}
@media (prefers-reduced-motion: reduce) {
  .diagram-flow { animation: none; }
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; }
}
.about-copy p { color: var(--ink-soft); margin-bottom: 1rem; font-size: 1.02rem; }
.about-portrait {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.about-portrait img {
  width: 64px; height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--border);
}
.about-portrait div strong { font-family: var(--font-head); font-size: 1.05rem; }
.about-portrait div span { display: block; font-size: 0.88rem; color: var(--ink-faint); }

.how-i-work {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.how-i-work h3 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
  font-family: var(--font-mono);
  font-weight: 600;
  margin-bottom: 1.1rem;
}
.how-i-work ul { display: flex; flex-direction: column; gap: 1.1rem; }
.how-i-work li { display: flex; gap: 0.9rem; }
.how-i-work .icon {
  flex: none;
  width: 36px; height: 36px;
  border-radius: 9px;
  background: var(--accent-tint);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.how-i-work .icon svg { width: 18px; height: 18px; }
.how-i-work strong { display: block; font-size: 0.98rem; }
.how-i-work span { font-size: 0.9rem; color: var(--ink-faint); }

/* ---------- Experience timeline ---------- */
.timeline { position: relative; }
.timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: var(--border-strong);
}
.timeline-item {
  position: relative;
  padding-left: 2.25rem;
  padding-bottom: clamp(2rem, 4vw, 2.75rem);
}
.timeline-item:last-child { padding-bottom: 0; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: 0; top: 6px;
  width: 15px; height: 15px;
  border-radius: 50%;
  background: var(--bg);
  border: 2px solid var(--accent);
}
.timeline-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem 1rem;
  margin-bottom: 0.4rem;
}
.timeline-head h3 { font-size: 1.15rem; }
.timeline-company { color: var(--accent); font-weight: 600; font-size: 0.98rem; }
.timeline-period {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-faint);
  margin-left: auto;
}
.timeline-location { font-size: 0.85rem; color: var(--ink-faint); margin-bottom: 0.75rem; }
.timeline-item ul { display: flex; flex-direction: column; gap: 0.55rem; margin-bottom: 0.9rem; }
.timeline-item ul li {
  color: var(--ink-soft);
  font-size: 0.97rem;
  padding-left: 1.1rem;
  position: relative;
}
.timeline-item ul li::before {
  content: "";
  position: absolute;
  left: 0; top: 0.65em;
  width: 5px; height: 5px;
  background: var(--border-strong);
  border-radius: 50%;
}
.tech-row { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 0.28rem 0.6rem;
  border-radius: 999px;
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  color: var(--ink-soft);
}

/* ---------- Selected work ---------- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (max-width: 760px) {
  .work-grid { grid-template-columns: 1fr; }
}
.work-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}
.work-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
  box-shadow: var(--shadow), 0 0 0 1px color-mix(in srgb, var(--accent) 25%, transparent);
}
.work-card-top { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.work-card h3 { font-size: 1.15rem; }
.work-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: var(--accent-tint);
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  white-space: nowrap;
}
.work-field { font-size: 0.9rem; }
.work-field strong {
  display: block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-faint);
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
}
.work-field p, .work-field span { color: var(--ink-soft); }

.work-details {
  border-top: 1px solid var(--border);
  padding-top: 1rem;
  margin-top: 0.2rem;
}
.work-details summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
  list-style: none;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}
.work-details summary::-webkit-details-marker { display: none; }
.work-details summary::after {
  content: "+";
  font-family: var(--font-mono);
  margin-left: auto;
  font-size: 1rem;
}
.work-details[open] summary::after { content: "\2212"; }
.work-details p { margin-top: 0.8rem; color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- Skills ---------- */
/* Explicit column counts (not auto-fit) because there are exactly 5 skill
   cards: auto-fit's column count depends on viewport width and, at some
   widths, splits 5 items 2+2+1 or 4+1 leaving one card orphaned in its own
   row. Forcing 2-then-3 columns and spanning the odd one out avoids that
   at every width instead of only the one width it was last tuned for. */
.skills-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .skills-grid > :last-child { grid-column: 1 / -1; }
}
@media (min-width: 980px) {
  .skills-grid { grid-template-columns: repeat(3, 1fr); }
  .skills-grid > :last-child { grid-column: auto; }
}
.skill-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
}
.skill-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent);
}
.skill-card h3 {
  font-size: 0.95rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
.skill-card h3 .icon {
  width: 30px; height: 30px;
  border-radius: 8px;
  background: var(--accent-tint);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
  flex: none;
}
.skill-card h3 .icon svg { width: 16px; height: 16px; }
.skill-tags { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.skill-tags span {
  font-size: 0.83rem;
  padding: 0.35rem 0.7rem;
  border-radius: var(--radius-sm);
  background: var(--bg-sunken);
  border: 1px solid var(--border);
  color: var(--ink-soft);
}

/* ---------- Education ---------- */
.edu-list { display: flex; flex-direction: column; gap: 1.25rem; }
.edu-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-raised);
}
.edu-item h3 { font-size: 1.02rem; }
.edu-item .edu-org { color: var(--ink-soft); font-size: 0.92rem; margin-top: 0.2rem; }
.edu-item .edu-meta {
  text-align: right;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* ---------- Contact ---------- */
/* Explicit column counts for the same reason as .skills-grid: 5 contact
   cards under auto-fit split 4+1 at desktop widths, orphaning "Resume"
   in its own row with empty space beside it. */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
}
@media (min-width: 560px) {
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid > :last-child { grid-column: 1 / -1; }
}
@media (min-width: 860px) {
  .contact-grid { grid-template-columns: repeat(3, 1fr); }
  .contact-grid > :last-child { grid-column: auto; }
}
.contact-card {
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.contact-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.contact-card .icon {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: var(--accent-tint);
  color: var(--accent);
  display: flex; align-items: center; justify-content: center;
}
.contact-card .icon svg { width: 19px; height: 19px; }
.contact-card strong { font-size: 0.95rem; }
.contact-card span { font-size: 0.85rem; color: var(--ink-faint); word-break: break-word; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: 2rem;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--ink-faint);
}
.footer-inner a { color: var(--ink-faint); text-decoration: none; }
.footer-inner a:hover { color: var(--accent); }
.footer-links { display: flex; gap: 1.25rem; }