/* ==========================================================================
   Md. Sakowat Hosen - Portfolio
   1. Design tokens      5. Sections
   2. Base & reset       6. Components
   3. Layout utilities   7. Responsive
   4. Header & nav       8. Motion / print
   ========================================================================== */

/* 1. Design tokens ------------------------------------------------------- */

:root {
  color-scheme: dark;

  --bg: #0a0f0d;
  --surface: #111a17;
  --surface-2: #16211d;
  --line: #1f2d28;

  --text: #eef2ef;
  --text-soft: #c0cbc6;
  --muted: #879690;

  --accent: #34d399;
  --accent-strong: #5fe3b3;
  --accent-ink: #04120c;
  --accent-2: #2dd4bf;
  --warm: #9fe0c4;
  --ok: #34d399;
  --alert: #f08a7a;

  /* Feature block behind the education section */
  --paper: #0f2a22;
  --paper-ink: #eaf5ef;
  --paper-muted: #93b3a5;
  --paper-line: #22443a;
  --paper-accent: #5fe3b3;

  --max: 1180px;
  --gutter: 32px;
  --ease: cubic-bezier(.22, 1, .36, 1);

  --step-1: clamp(48px, 6vw, 82px);
  --step-2: clamp(38px, 4.6vw, 64px);

  --section-y: clamp(80px, 10vw, 138px);
}

[data-theme="light"] {
  color-scheme: light;

  --bg: #f2f5f3;
  --surface: #ffffff;
  --surface-2: #e6ece9;
  --line: #d2ddd8;

  --text: #0d1613;
  --text-soft: #35443e;
  --muted: #596963;

  --accent: #0f7a52;
  --accent-strong: #0a5e3e;
  --accent-ink: #ffffff;
  --accent-2: #0d6e63;
  --warm: #0a5e3e;
  --ok: #0f7a52;
  --alert: #b8442c;

  --paper: #d9ece2;
  --paper-ink: #0d211a;
  --paper-muted: #4a635a;
  --paper-line: #a8c8ba;
  --paper-accent: #0f6b47;
}

/* 2. Base ---------------------------------------------------------------- */

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: Manrope, system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  transition: background-color .35s var(--ease), color .35s var(--ease);
}

a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: 0; }
img { display: block; max-width: 100%; }
figure { margin: 0; }
h1, h2, h3 { text-wrap: balance; }

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection { background: var(--accent); color: var(--accent-ink); }

.skip-link {
  position: absolute;
  left: 16px;
  top: -60px;
  z-index: 100;
  background: var(--accent);
  color: var(--accent-ink);
  padding: 10px 16px;
  font-size: 12px;
  font-weight: 700;
  transition: top .2s var(--ease);
}

.skip-link:focus-visible { top: 16px; }

/* 3. Layout utilities ---------------------------------------------------- */

.container {
  width: min(var(--max), calc(100% - var(--gutter) * 2));
  margin-inline: auto;
}

.section { padding-block: var(--section-y); }

.section-heading { margin-bottom: clamp(44px, 5vw, 66px); }

.section-heading h2 {
  font-size: var(--step-2);
  line-height: 1.02;
  letter-spacing: -.055em;
  margin: 0;
}

h1 em, h2 em {
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-weight: 400;
  color: var(--warm);
  letter-spacing: -.04em;
}

.split-heading {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 40px;
}

.split-heading > p {
  max-width: 320px;
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--accent);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .14em;
  text-transform: uppercase;
  margin: 0 0 22px;
}

.mini-label {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.heading-note {
  color: var(--muted);
  max-width: 34ch;
  font-size: 13px;
}

.status-dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--ok);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--ok) 18%, transparent);
}

/* 4. Header & navigation ------------------------------------------------- */

.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 30;
  border-bottom: 1px solid transparent;
  transition: background-color .3s var(--ease), border-color .3s var(--ease);
}

.site-header.is-scrolled {
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(18px);
  border-bottom-color: var(--line);
}

.nav {
  height: 78px;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 16px;
  letter-spacing: -.03em;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  flex: none;
  border: 1px solid var(--accent);
  color: var(--accent);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: -.06em;
}

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

.nav-links {
  display: flex;
  align-items: center;
  gap: 26px;
  margin-left: auto;
}

.nav-links a {
  position: relative;
  font-size: 12px;
  color: var(--muted);
  transition: color .2s;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 100%;
  height: 1px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s var(--ease);
}

.nav-links a:hover,
.nav-links a.is-active { color: var(--text); }
.nav-links a.is-active::after { transform: scaleX(1); }

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--muted);
  border: 1px solid transparent;
  transition: color .2s, border-color .2s;
}

.icon-button:hover { color: var(--text); border-color: var(--line); }
.icon-button svg { width: 17px; height: 17px; }

.menu-toggle { display: none; }

/* 5. Sections ------------------------------------------------------------ */

/* Hero */
.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  grid-template-columns: 1.03fr .97fr;
  align-items: center;
  gap: 50px;
  padding-top: 120px;
}

.hero::before {
  content: "";
  position: absolute;
  left: -18vw;
  top: 26%;
  width: 45vw;
  height: 45vw;
  background: radial-gradient(circle, color-mix(in srgb, var(--accent) 12%, transparent), transparent 68%);
  pointer-events: none;
}

.hero-copy { position: relative; }

.hero h1 {
  font-size: var(--step-1);
  line-height: 1.02;
  letter-spacing: -.07em;
  margin: 0 0 26px;
  max-width: 12ch;
}

.hero-intro {
  max-width: 52ch;
  color: var(--muted);
  font-size: 16px;
  margin: 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin: 34px 0 42px;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  color: var(--muted);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.hero-meta strong { color: var(--text); margin-right: 6px; }

.hero-visual {
  position: relative;
  height: 560px;
  display: grid;
  place-items: center;
}

.hero-visual::after {
  content: "NETWORK ENGINEER / DEVOPS";
  position: absolute;
  right: -18px;
  bottom: 14%;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  color: var(--muted);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 9px;
  letter-spacing: .18em;
}

.portrait-frame {
  position: relative;
  width: min(380px, 74%);
  aspect-ratio: 4 / 5;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
  transform: rotate(1.5deg);
  box-shadow: 22px 26px 0 color-mix(in srgb, var(--accent) 12%, transparent);
}

.portrait-frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 48%, #050c09cc);
}

.portrait-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 45% top;
  filter: saturate(.78) contrast(1.06);
}

.frame-label {
  position: absolute;
  z-index: 1;
  left: 16px;
  bottom: 14px;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 9px;
  letter-spacing: .13em;
  color: #e2f3ea;
}

/* Ticker */
.ticker {
  border-block: 1px solid var(--line);
  overflow: hidden;
  color: var(--muted);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .16em;
}

.ticker-track {
  display: flex;
  align-items: center;
  gap: 30px;
  width: max-content;
  padding-block: 16px;
  animation: marquee 34s linear infinite;
}

.ticker i {
  width: 5px;
  height: 5px;
  flex: none;
  background: var(--accent);
  transform: rotate(45deg);
}

@keyframes marquee { to { transform: translateX(-50%); } }

/* About */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: clamp(40px, 8%, 110px);
  align-items: start;
}

.about-copy { max-width: 60ch; }

.lead {
  font-size: clamp(20px, 2.1vw, 25px);
  line-height: 1.35;
  letter-spacing: -.035em;
  margin: 0 0 24px;
}

.about-copy p:not(.lead) {
  color: var(--muted);
  font-size: 14px;
  margin: 0 0 18px;
}

.about-copy .text-link { margin-top: 16px; }

.objective {
  margin: 34px 0 0;
  padding: 22px 24px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--accent);
  background: var(--surface);
}

.objective p {
  margin: 12px 0 0;
  color: var(--text-soft);
  font-size: 14px;
}

.language-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.language-row span {
  display: grid;
  gap: 2px;
  min-width: 92px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
}

.language-row b { color: var(--text); font-weight: 400; }

.info-card {
  position: sticky;
  top: 110px;
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 24px;
}

.info-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--accent);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.info-card-top .mini-label { color: var(--accent); }
.info-card-top svg { width: 18px; height: 18px; }
.info-card dl { margin: 0; }

.info-card dl div {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}

.info-card dt { color: var(--muted); font-size: 12px; }
.info-card dd { margin: 0; font-size: 12px; text-align: right; }

.info-card-footer {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  color: var(--muted);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
}

/* Stats */
.stats-band {
  border-block: 1px solid var(--line);
  background: var(--surface);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}

.stat {
  display: grid;
  gap: 4px;
  padding: 30px 22px;
  border-right: 1px solid var(--line);
}

.stat:first-child { padding-left: 0; }
.stat:last-child { border-right: 0; }

.stat strong {
  font-size: clamp(32px, 3.5vw, 42px);
  line-height: 1.1;
  letter-spacing: -.06em;
  color: var(--accent);
}

.stat strong span { font-size: .5em; color: var(--warm); }

.stat > span {
  color: var(--muted);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

/* Skills */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.skill-card {
  display: flex;
  flex-direction: column;
  min-height: 300px;
  padding: 24px;
  border: 1px solid var(--line);
  background: var(--surface);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.skill-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}

.skill-card.is-featured {
  background: linear-gradient(150deg, var(--surface-2), var(--surface));
}

.skill-card > svg {
  width: 28px;
  height: 28px;
  color: var(--accent);
  stroke-width: 1.2;
  margin: 26px 0 8px;
}

.skill-number,
.project-index {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  color: var(--muted);
}

.skill-card h3 { font-size: 19px; margin: 0 0 20px; }

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}

.tag-list span {
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 5px 8px;
  font-size: 10px;
}

/* Experience */
.section-dark {
  background: var(--surface-2);
  border-block: 1px solid var(--line);
}

.timeline { max-width: 980px; }

.timeline-item {
  display: grid;
  grid-template-columns: 158px 30px 1fr;
  gap: 22px;
  padding: 36px 0;
  border-top: 1px solid var(--line);
}

.timeline-date {
  margin: 0;
  padding-top: 5px;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--muted);
}

.timeline-marker { position: relative; }

.timeline-marker::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 10px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 6px color-mix(in srgb, var(--accent) 15%, transparent);
}

.timeline-marker::after {
  content: "";
  position: absolute;
  top: 26px;
  bottom: -54px;
  left: 14px;
  width: 1px;
  background: var(--line);
}

.timeline-item:last-child .timeline-marker::after { display: none; }

.role-kicker {
  margin: 0 0 12px;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
}

.timeline-content h3 {
  font-size: clamp(22px, 2.4vw, 27px);
  letter-spacing: -.045em;
  margin: 0;
}

.timeline-content h3 small {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--muted);
}

.company { color: var(--warm); font-size: 14px; margin: 4px 0 22px; }

.timeline-content ul {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  font-size: 13px;
  columns: 2;
  column-gap: 34px;
}

.timeline-content li { padding: 4px 0; break-inside: avoid; }

.timeline-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 20px;
}

.timeline-stack span {
  border: 1px solid var(--line);
  color: var(--muted);
  padding: 5px 8px;
  font-size: 10px;
}

/* Projects */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.project-card {
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--line);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: var(--accent);
}

.project-card.is-large { grid-row: span 2; }

.project-visual {
  position: relative;
  height: 235px;
  overflow: hidden;
  background: var(--surface-2);
}

.art-label {
  position: absolute;
  top: 16px;
  left: 18px;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .1em;
  color: var(--muted);
}

.network-art {
  background:
    radial-gradient(circle at 44% 54%, color-mix(in srgb, var(--accent) 28%, transparent) 0 3%, transparent 4%),
    linear-gradient(140deg, var(--surface-2), var(--surface));
}

.network-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(35deg, transparent 48%, color-mix(in srgb, var(--accent) 52%, transparent) 49%, transparent 50%),
    linear-gradient(140deg, transparent 48%, color-mix(in srgb, var(--accent-2) 40%, transparent) 49%, transparent 50%);
  background-size: 80px 80px;
  opacity: .75;
}

.network-art > svg {
  position: absolute;
  left: 42%;
  top: 38%;
  width: 70px;
  height: 70px;
  color: var(--accent);
  stroke-width: .8;
}

.monitor-art { background: linear-gradient(160deg, var(--surface-2), var(--surface)); }

.chart {
  position: absolute;
  inset: 45px 35px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--ok) 45%, transparent);
  transform: skewY(-12deg);
}

.chart span {
  flex: 1;
  height: 36%;
  opacity: .75;
  background: linear-gradient(var(--ok), transparent);
}

.chart span:nth-child(2) { height: 63%; }
.chart span:nth-child(3) { height: 45%; }
.chart span:nth-child(4) { height: 85%; }
.chart span:nth-child(5) { height: 58%; }

.terminal-art {
  display: grid;
  align-content: center;
  gap: 7px;
  padding: 28px;
  background: var(--surface-2);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 12px;
  color: var(--muted);
}

.terminal-art b { color: var(--ok); font-weight: 400; }

.docker-art {
  display: grid;
  place-items: center;
  gap: 14px;
  background: linear-gradient(145deg, var(--surface-2), var(--surface));
  color: var(--accent);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 11px;
}

.docker-art svg { width: 62px; height: 62px; stroke-width: 1; }

.project-body {
  position: relative;
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px 24px 26px;
}

.project-body h3 {
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: -.04em;
  margin: 10px 0;
}

.project-body p {
  color: var(--muted);
  font-size: 12px;
  max-width: 46ch;
  margin: 0 0 18px;
}

.project-body .tag-list { margin-top: auto; }

.project-link {
  position: absolute;
  right: 22px;
  bottom: 22px;
  color: var(--accent);
}

.project-link svg { width: 17px; height: 17px; }

/* Education - warm paper block */
.section-paper {
  background: var(--paper);
  color: var(--paper-ink);
}

.section-paper .eyebrow,
.section-paper .heading-note { color: var(--paper-muted); }
.section-paper h2 em { color: var(--paper-accent); }

.education-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(40px, 8%, 110px);
  align-items: start;
}

.education-list { border-top: 1px solid var(--paper-line); }

.education-item {
  display: grid;
  grid-template-columns: 172px 1fr;
  gap: 24px;
  padding: 26px 0;
  border-bottom: 1px solid var(--paper-line);
}

.education-year {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .06em;
  color: var(--paper-muted);
}

.education-item h3 {
  font-size: 20px;
  letter-spacing: -.04em;
  margin: 0;
}

.education-item p {
  font-size: 13px;
  margin: 3px 0 10px;
  color: var(--paper-muted);
}

.education-type {
  display: block;
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--paper-accent);
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.detail-tags span {
  border: 1px solid var(--paper-line);
  color: var(--paper-muted);
  padding: 5px 8px;
  font-size: 10px;
}

.training-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 46px;
  border-block: 1px solid var(--paper-line);
}

.training-strip > div {
  display: grid;
  gap: 5px;
  padding: 22px 0;
}

.training-strip > div + div {
  border-left: 1px solid var(--paper-line);
  padding-left: 26px;
}

.training-strip .mini-label { color: var(--paper-accent); }
.training-strip strong { font-size: 16px; }

.training-strip span:last-child {
  color: var(--paper-muted);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
}

/* Resume */
.resume-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 40px;
  padding: clamp(32px, 5vw, 52px) clamp(25px, 5vw, 55px);
  border: 1px solid var(--line);
  background: linear-gradient(115deg, var(--surface-2), var(--surface));
}

.resume-card h2 {
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.02;
  letter-spacing: -.06em;
  margin: 0 0 18px;
}

.resume-card p:not(.eyebrow) {
  color: var(--muted);
  max-width: 44ch;
  font-size: 13px;
  margin: 0;
}

.resume-actions {
  display: grid;
  justify-items: start;
  gap: 16px;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(40px, 9%, 120px);
  align-items: start;
}

.contact-details {
  display: grid;
  gap: 13px;
  margin-top: 40px;
}

.contact-details a,
.contact-details > span {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  transition: color .2s;
}

.contact-details a:hover { color: var(--accent); }
.contact-details svg { width: 15px; height: 15px; flex: none; color: var(--accent); }

.social-links {
  display: flex;
  gap: 10px;
  margin-top: 26px;
}

.social-links a {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border: 1px solid var(--line);
  color: var(--muted);
  transition: color .2s, border-color .2s, transform .2s var(--ease);
}

.social-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
  transform: translateY(-2px);
}

.social-links svg { width: 15px; height: 15px; }

.contact-form {
  display: grid;
  gap: 20px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.contact-form label { display: grid; gap: 7px; }

.contact-form label > span {
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-form input,
.contact-form textarea {
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  padding: 10px 0;
  outline: 0;
  resize: vertical;
  transition: border-color .2s;
}

.contact-form input::placeholder,
.contact-form textarea::placeholder { color: var(--muted); opacity: .7; }

.contact-form input:focus,
.contact-form textarea:focus { border-bottom-color: var(--accent); }

.contact-form .button { justify-self: start; margin-top: 8px; }

.form-note {
  margin: 0;
  min-height: 20px;
  font-size: 12px;
  color: var(--ok);
}

.form-note[data-state="error"] { color: var(--alert); }

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding-block: 26px;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
  font-family: "DM Mono", ui-monospace, monospace;
  font-size: 10px;
}

.footer .brand {
  font-family: Manrope, sans-serif;
  font-size: 14px;
  color: var(--text);
}

.footer p { margin: 0; }

/* 6. Components ---------------------------------------------------------- */

.button {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-ink);
  padding: 13px 18px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .01em;
  transition: transform .25s var(--ease), background-color .25s, border-color .25s;
}

.button:hover {
  transform: translateY(-3px);
  background: var(--accent-strong);
  border-color: var(--accent-strong);
}

.button-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

.button-ghost:hover {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}

.button-small { padding: 10px 14px; }

.button svg,
.text-link svg { width: 15px; height: 15px; flex: none; }

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding-bottom: 5px;
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-size: 12px;
  font-weight: 700;
  transition: color .2s, border-color .2s;
}

.text-link:hover { color: var(--accent); border-bottom-color: var(--accent); }

.section-paper .text-link {
  color: var(--paper-ink);
  border-bottom-color: var(--paper-line);
}

.section-paper .text-link:hover {
  color: var(--paper-accent);
  border-bottom-color: var(--paper-accent);
}

/* Reserve icon space so nothing shifts before the icon script runs */
[data-lucide] {
  display: inline-block;
  width: 1em;
  height: 1em;
}

.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s var(--ease), transform .7s var(--ease);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* 7. Responsive ---------------------------------------------------------- */

@media (max-width: 1024px) {
  .skills-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-links { gap: 18px; }
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 150px;
    padding-bottom: 80px;
  }

  .hero h1 { max-width: none; }
  .hero-visual { height: 500px; margin-top: 8px; }

  .about-grid,
  .education-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 50px; }

  .info-card { position: static; }
  .timeline-content ul { columns: 1; }
  .resume-card { display: grid; }
  .projects-grid { grid-template-columns: 1fr; }
  .project-card.is-large { grid-row: auto; }
  .project-visual { height: 220px; }
}

@media (max-width: 680px) {
  :root { --gutter: 18px; }

  .nav { height: 68px; }

  .nav-links {
    display: none;
    position: absolute;
    top: 68px;
    left: var(--gutter);
    right: var(--gutter);
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin: 0;
    padding: 18px;
    background: var(--surface);
    border: 1px solid var(--line);
  }

  .nav-links.is-open { display: flex; }
  .nav-links a { font-size: 14px; }
  .nav-actions { margin-left: auto; }
  .nav-actions .button { display: none; }
  .menu-toggle { display: grid; }

  .hero { padding-top: 118px; }
  .hero-visual { height: 380px; }
  .hero-visual::after { display: none; }
  .portrait-frame { width: 70%; }
  .hero-meta { gap: 10px; display: grid; }

  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat { padding: 22px 15px; }
  .stat:first-child { padding-left: 15px; }
  .stat:nth-child(2) { border-right: 0; }
  .stat:nth-child(-n+2) { border-bottom: 1px solid var(--line); }

  .split-heading { display: grid; }
  .skills-grid { grid-template-columns: 1fr; }
  .skill-card { min-height: auto; }

  .timeline-item { grid-template-columns: 26px 1fr; gap: 10px; }
  .timeline-date { grid-column: 1 / -1; }
  .timeline-marker { grid-column: 1; grid-row: 2; }
  .timeline-content { grid-column: 2; grid-row: 2; }

  .education-item { grid-template-columns: 1fr; gap: 8px; }
  .training-strip { grid-template-columns: 1fr; }

  .training-strip > div + div {
    border-left: 0;
    border-top: 1px solid var(--paper-line);
    padding-left: 0;
  }

  .form-row { grid-template-columns: 1fr; }
  .footer-inner { display: grid; justify-items: start; gap: 12px; }
}

/* 8. Motion & print ------------------------------------------------------ */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }

  *,
  *::before,
  *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }

  .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header,
  .ticker,
  .hero-visual,
  .contact-form,
  .social-links,
  .resume-actions,
  .skip-link { display: none !important; }

  body { background: #fff; color: #000; font-size: 11pt; }
  .section { padding-block: 18pt; }
  .reveal { opacity: 1; transform: none; }

  .section-dark,
  .section-paper,
  .stats-band {
    background: #fff !important;
    color: #000 !important;
  }

  a { text-decoration: underline; }
}