/* ==========================================================================
   Mohammad Al Ali — personal site
   Engineered minimalism: a disciplined type and grid system, one signature
   motif (the hero integration diagram), and nothing else competing with it.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Fonts (self-hosted variable subsets — no external requests)
   -------------------------------------------------------------------------- */

@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('../fonts/inter-var-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url('../fonts/inter-var-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('../fonts/space-grotesk-var-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Space Grotesk';
  font-style: normal;
  font-weight: 500 700;
  font-display: swap;
  src: url('../fonts/space-grotesk-var-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('../fonts/jetbrains-mono-var-latin.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'JetBrains Mono';
  font-style: normal;
  font-weight: 400 500;
  font-display: swap;
  src: url('../fonts/jetbrains-mono-var-latin-ext.woff2') format('woff2');
  unicode-range: U+0100-02AF, U+0304, U+0308, U+0329, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

/* --------------------------------------------------------------------------
   2. Tokens
   Each theme declares its own palette *and* the inverted one, so a section
   marked .band-invert simply re-points the same variables.
   -------------------------------------------------------------------------- */

:root {
  --font-display: 'Space Grotesk', ui-sans-serif, system-ui, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --shell-max: 1280px;
  --shell-pad: clamp(20px, 5vw, 48px);
  --gap: clamp(20px, 3vw, 40px);
  --header-h: 60px;

  --r-card: 3px;
  --r-pill: 2px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur: 260ms;
}

:root,
:root[data-theme='dark'] {
  color-scheme: dark;

  --bg: #101820;
  --bg-alt: #0C131A;
  --card: #16202A;
  --card-hover: #1B2733;
  --text: #E9ECEF;
  --text-2: #8B98A5;
  --line: rgba(233, 236, 239, 0.11);
  --line-strong: rgba(233, 236, 239, 0.20);
  --accent: #2F6F4F;
  --accent-hover: #37835D;
  --accent-ink: #63A97F;
  --on-accent: #F5F4F0;
  --focus: #63A97F;

  --diagram-line: rgba(139, 152, 165, 0.17);
  --diagram-node: rgba(99, 169, 127, 0.34);
  --diagram-packet: rgba(99, 169, 127, 0.80);
  /* Keeps the motif in the hero's negative space: opaque under the type, clear to the right. */
  --veil:
    linear-gradient(97deg, #101820 34%, rgba(16, 24, 32, 0.72) 44%, rgba(16, 24, 32, 0.06) 58%),
    radial-gradient(120% 100% at 70% 10%, rgba(16, 24, 32, 0) 52%, #101820 100%);
  --veil-narrow: linear-gradient(180deg, rgba(16, 24, 32, 0.62), rgba(16, 24, 32, 0.62));

  /* the opposite palette, used by .band-invert */
  --i-bg: #F5F4F0;
  --i-bg-alt: #EFEEE9;
  --i-card: #FFFFFF;
  --i-card-hover: #FBFAF7;
  --i-text: #101820;
  --i-text-2: #55606B;
  --i-line: rgba(16, 24, 32, 0.13);
  --i-line-strong: rgba(16, 24, 32, 0.22);
  --i-accent-ink: #235741;
  --i-focus: #235741;
}

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

  --bg: #F5F4F0;
  --bg-alt: #EFEEE9;
  --card: #FFFFFF;
  --card-hover: #FBFAF7;
  --text: #101820;
  --text-2: #55606B;
  --line: rgba(16, 24, 32, 0.13);
  --line-strong: rgba(16, 24, 32, 0.22);
  --accent: #2F6F4F;
  --accent-hover: #275C42;
  --accent-ink: #235741;
  --on-accent: #F5F4F0;
  --focus: #235741;

  --diagram-line: rgba(16, 24, 32, 0.13);
  --diagram-node: rgba(47, 111, 79, 0.30);
  --diagram-packet: rgba(47, 111, 79, 0.70);
  --veil:
    linear-gradient(97deg, #F5F4F0 34%, rgba(245, 244, 240, 0.72) 44%, rgba(245, 244, 240, 0.06) 58%),
    radial-gradient(120% 100% at 70% 10%, rgba(245, 244, 240, 0) 52%, #F5F4F0 100%);
  --veil-narrow: linear-gradient(180deg, rgba(245, 244, 240, 0.62), rgba(245, 244, 240, 0.62));

  --i-bg: #101820;
  --i-bg-alt: #0C131A;
  --i-card: #16202A;
  --i-card-hover: #1B2733;
  --i-text: #E9ECEF;
  --i-text-2: #8B98A5;
  --i-line: rgba(233, 236, 239, 0.11);
  --i-line-strong: rgba(233, 236, 239, 0.20);
  --i-accent-ink: #63A97F;
  --i-focus: #63A97F;
}

.band-invert {
  --bg: var(--i-bg);
  --bg-alt: var(--i-bg-alt);
  --card: var(--i-card);
  --card-hover: var(--i-card-hover);
  --text: var(--i-text);
  --text-2: var(--i-text-2);
  --line: var(--i-line);
  --line-strong: var(--i-line-strong);
  --accent-ink: var(--i-accent-ink);
  --focus: var(--i-focus);
  background: var(--bg);
  color: var(--text);
}

/* --------------------------------------------------------------------------
   3. Base
   -------------------------------------------------------------------------- */

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.65;
  font-synthesis-weight: none;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-wrap: break-word;
}

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

a { color: inherit; text-decoration: none; }

img, svg, canvas { display: block; max-width: 100%; }

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

.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

.mono {
  font-family: var(--font-mono);
  font-weight: 400;
  font-variant-ligatures: none;
}

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.icon {
  width: 1em; height: 1em;
  flex: none;
  fill: none;
}
.icon--inline {
  width: 0.78em; height: 0.78em;
  display: inline-block;
  vertical-align: baseline;
  margin-left: 0.3em;
}

/* Focus: always visible, never subtle. */
:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 3px;
  border-radius: 2px;
}
:focus:not(:focus-visible) { outline: none; }

.skip-link {
  position: absolute;
  top: 8px; left: 8px;
  z-index: 200;
  padding: 10px 16px;
  background: var(--accent);
  color: var(--on-accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-radius: var(--r-pill);
  transform: translateY(-200%);
}
.skip-link:focus { transform: translateY(0); }

/* --------------------------------------------------------------------------
   4. Layout
   -------------------------------------------------------------------------- */

.shell {
  width: 100%;
  max-width: var(--shell-max);
  margin-inline: auto;
  padding-inline: var(--shell-pad);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  column-gap: var(--gap);
  row-gap: clamp(28px, 5vw, 44px);
}

.section__head,
.section__body { grid-column: 1 / -1; min-width: 0; }

.section {
  padding-block: clamp(64px, 9vw, 116px);
  background: var(--bg);
  color: var(--text);
  border-top: 1px solid var(--line);
}
.section--alt { background: var(--bg-alt); }
.section--contact { border-bottom: 1px solid var(--line); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-ink);
  display: flex;
  align-items: center;
  gap: 0.7em;
  margin-bottom: 18px;
}
.eyebrow__num {
  color: var(--text-2);
  padding-right: 0.7em;
  border-right: 1px solid var(--line-strong);
}

.section__title { font-size: clamp(1.65rem, 3.2vw, 2.3rem); }

.section__note {
  margin-top: 14px;
  color: var(--text-2);
  font-size: 0.93rem;
  max-width: 34ch;
}

.section__outro { margin-top: clamp(28px, 4vw, 40px); color: var(--text-2); }

.prose { max-width: 62ch; font-size: clamp(1.02rem, 1.5vw, 1.15rem); }
.prose p + p { margin-top: 1.1em; }

.link {
  color: var(--accent-ink);
  border-bottom: 1px solid color-mix(in srgb, var(--accent-ink) 40%, transparent);
  transition: border-color var(--dur) var(--ease);
}
.link:hover { border-bottom-color: var(--accent-ink); }

/* --------------------------------------------------------------------------
   5. Header
   -------------------------------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: saturate(140%) blur(12px);
  -webkit-backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.site-header.is-scrolled { border-bottom-color: var(--line); }

.site-header__inner {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 20px;
}

.mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  margin-right: auto;
}
.mark__glyph { width: 22px; height: 22px; color: var(--accent-ink); }
.mark__glyph svg { width: 100%; height: 100%; }
.mark:hover .mark__text { color: var(--accent-ink); }
.mark__text { transition: color var(--dur) var(--ease); }

.site-nav ul {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 28px);
}
.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
  color: var(--text-2);
  padding: 6px 0;
  position: relative;
  transition: color var(--dur) var(--ease);
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 1px;
  background: var(--accent-ink);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur) var(--ease);
}
.site-nav a:hover { color: var(--text); }
.site-nav a[aria-current='true'] { color: var(--text); }
.site-nav a[aria-current='true']::after { transform: scaleX(1); }

.site-header__tools { display: flex; align-items: center; gap: 6px; }

.icon-btn {
  display: inline-grid;
  place-items: center;
  width: 36px; height: 36px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--text-2);
  font-size: 17px;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}
.icon-btn > .icon { grid-area: 1 / 1; }
.icon-btn:hover { color: var(--text); border-color: var(--line-strong); background: var(--card); }

[data-theme='dark'] .icon--moon,
[data-theme='light'] .icon--sun { display: none; }

.nav-toggle { display: none; }
.nav-toggle .icon--close { display: none; }
.nav-toggle[aria-expanded='true'] .icon--menu { display: none; }
.nav-toggle[aria-expanded='true'] .icon--close { display: block; }

/* --------------------------------------------------------------------------
   6. Hero + signature diagram
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  min-height: calc(100svh - var(--header-h));
  padding-block: clamp(56px, 11vh, 120px);
  overflow: hidden;
}

.hero__diagram,
.hero__veil {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
}
.hero__veil { background: var(--veil); }

.hero__inner { position: relative; }

.hero__eyebrow { color: var(--text-2); margin-bottom: 22px; }
.hero__eyebrow::before {
  content: '';
  width: 26px;
  height: 1px;
  background: var(--accent-ink);
}

.hero__name {
  font-size: clamp(2.6rem, 8.5vw, 5.25rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1;
}

.hero__role {
  margin-top: 20px;
  font-size: clamp(0.8rem, 1.7vw, 0.95rem);
  color: var(--accent-ink);
  letter-spacing: 0.01em;
}

.hero__thesis {
  margin-top: 26px;
  max-width: 46ch;
  font-size: clamp(1.05rem, 2.1vw, 1.35rem);
  line-height: 1.5;
  color: var(--text);
  text-wrap: pretty;
}

.hero__actions {
  margin-top: 36px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-family: var(--font-body);
  font-size: 0.92rem;
  font-weight: 500;
  line-height: 1.2;
  cursor: pointer;
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease),
              color var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.btn .icon { font-size: 1.05em; }
.btn--primary { background: var(--accent); color: var(--on-accent); }
.btn--primary:hover { background: var(--accent-hover); }
.btn--primary .icon { transition: transform var(--dur) var(--ease); }
.btn--primary:hover .icon { transform: translateY(2px); }
.btn--ghost {
  background: transparent;
  border-color: var(--line-strong);
  color: var(--text);
}
.btn--ghost:hover { border-color: var(--text-2); background: var(--card); }

.social {
  margin-top: 34px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
}
.social__link {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 0.88rem;
  color: var(--text-2);
  transition: color var(--dur) var(--ease);
}
.social__link .icon { font-size: 1.05rem; }
.social__link:hover { color: var(--accent-ink); }


/* --------------------------------------------------------------------------
   7. Timeline
   -------------------------------------------------------------------------- */

.timeline { position: relative; max-width: 880px; }
.timeline::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 12px;
  bottom: 12px;
  width: 1px;
  background: var(--line-strong);
}

.entry { position: relative; }
.entry + .entry { margin-top: 4px; }

.entry details { border-bottom: 1px solid var(--line); }
.entry:last-child .entry__static { border-bottom: 0; }

.entry summary,
.entry__static {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 4px 16px;
  padding: 24px 0 24px 32px;
  cursor: pointer;
  list-style: none;
  transition: background var(--dur) var(--ease);
}
.entry__static { cursor: default; border-bottom: 1px solid var(--line); }
.entry summary::-webkit-details-marker { display: none; }
.entry summary:hover .entry__role { color: var(--accent-ink); }

.entry__marker {
  position: absolute;
  left: 0;
  top: 32px;
  width: 11px; height: 11px;
  border-radius: 50%;
  border: 1px solid var(--accent-ink);
  background: var(--bg);
  transition: background var(--dur) var(--ease);
}
.section--alt .entry__marker { background: var(--bg-alt); }
.entry details[open] .entry__marker { background: var(--accent-ink); }
.entry--plain .entry__marker { border-color: var(--line-strong); }

.entry__date {
  grid-column: 1 / -1;
  grid-row: 1;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  color: var(--text-2);
  text-transform: uppercase;
}

.entry__role {
  grid-column: 1;
  grid-row: 2;
  margin-top: 6px;
  font-size: clamp(1.1rem, 2vw, 1.32rem);
  transition: color var(--dur) var(--ease);
}
.entry__role-prev {
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--text-2);
  white-space: nowrap;
}
.entry__org {
  grid-column: 2;
  grid-row: 2;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-ink);
}
.entry__org-sub { color: var(--text-2); }
.entry__org-sub::before { content: '· '; }

.entry__lede {
  grid-column: 1 / 3;
  grid-row: 3;
  margin-top: 8px;
  max-width: 62ch;
  color: var(--text-2);
  font-size: 0.95rem;
}

.entry__cue {
  grid-column: 3;
  grid-row: 2 / span 2;
  align-self: start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-2);
}
.entry__cue .icon { font-size: 1rem; transition: transform var(--dur) var(--ease); }
.entry details[open] .entry__cue .icon { transform: rotate(180deg); }
.entry summary:hover .entry__cue { color: var(--text); }

.entry__detail { padding: 0 0 30px 32px; }
.entry details[open] .entry__detail { animation: reveal-open 340ms var(--ease) both; }

@keyframes reveal-open {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: none; }
}

.bullets { max-width: 68ch; display: grid; gap: 12px; }
.bullets li {
  position: relative;
  padding-left: 20px;
  font-size: 0.95rem;
  color: var(--text-2);
}
.bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 0.66em;
  width: 7px; height: 1px;
  background: var(--accent-ink);
}

/* --------------------------------------------------------------------------
   8. Tags
   -------------------------------------------------------------------------- */

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}
.entry__detail .tags { margin-top: 22px; }
.tags li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.02em;
  color: var(--text-2);
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: color-mix(in srgb, var(--card) 60%, transparent);
}
.tags--lg li { font-size: 0.76rem; padding: 6px 11px; }

/* --------------------------------------------------------------------------
   9. Cards
   -------------------------------------------------------------------------- */

.cards { display: grid; gap: clamp(14px, 1.6vw, 20px); }
.cards--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 250px), 1fr)); }
.cards--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 290px), 1fr)); }

.card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: clamp(20px, 2.4vw, 28px);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease),
              transform var(--dur) var(--ease);
}
.card:hover {
  border-color: var(--line-strong);
  background: var(--card-hover);
  transform: translateY(-2px);
}
.card__index {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  color: var(--accent-ink);
  margin-bottom: 2px;
}
.card__title { font-size: 1.08rem; line-height: 1.25; }
.card__text { font-size: 0.92rem; color: var(--text-2); }
.card .tags { margin-top: auto; padding-top: 6px; }

/* --------------------------------------------------------------------------
   10. Skills & certifications
   -------------------------------------------------------------------------- */

.skills { display: grid; gap: clamp(28px, 3.5vw, 40px); }

.skills__label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-2);
  padding-bottom: 12px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.certs { margin-top: clamp(44px, 5vw, 60px); }
.certs__list { display: flex; flex-wrap: wrap; gap: 10px; }
.cert {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: var(--card);
  transition: border-color var(--dur) var(--ease);
}
.cert:hover { border-color: var(--accent-ink); }
.cert__name { font-size: 0.86rem; font-weight: 500; }
.cert__abbr {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 400;
  color: var(--accent-ink);
}
.cert__abbr::before { content: '('; }
.cert__abbr::after { content: ')'; }
.cert__date {
  font-size: 0.72rem;
  color: var(--text-2);
  white-space: nowrap;
  padding-left: 12px;
  border-left: 1px solid var(--line);
}

/* --------------------------------------------------------------------------
   11. Achievements
   -------------------------------------------------------------------------- */

.records { display: grid; }
.record {
  display: grid;
  grid-template-columns: 110px minmax(0, 1fr);
  gap: 4px 24px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  align-items: baseline;
}
.record:last-child { border-bottom: 1px solid var(--line); }
.record__date {
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--text-2);
}
.record__name { font-size: 1rem; font-weight: 500; }
.record__where {
  grid-column: 2;
  font-size: 0.86rem;
  color: var(--text-2);
}

/* --------------------------------------------------------------------------
   12. Contact & footer
   -------------------------------------------------------------------------- */

.contact__lede {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  max-width: 46ch;
  color: var(--text-2);
}

.contact__actions {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.email-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 22px;
  background: var(--accent);
  color: var(--on-accent);
  border-radius: var(--r-pill);
  transition: background var(--dur) var(--ease);
}
.email-cta:hover { background: var(--accent-hover); }
.email-cta .icon { font-size: 1.15rem; }
.email-cta__addr { font-size: clamp(0.95rem, 2.2vw, 1.1rem); font-weight: 500; }

#copy-email .icon--check { display: none; }
#copy-email.is-copied { color: var(--accent-ink); border-color: var(--accent-ink); }
#copy-email.is-copied .icon--copy { display: none; }
#copy-email.is-copied .icon--check { display: block; }

.site-footer {
  background: var(--bg);
  padding-block: clamp(36px, 5vw, 52px);
}
.site-footer__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px 32px;
}
.site-footer__name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
}
.site-footer__arabic {
  margin-top: 2px;
  font-size: 0.95rem;
  color: var(--text-2);
}
.social--footer { margin-top: 0; gap: 10px 22px; }
.site-footer__meta { font-size: 0.74rem; color: var(--text-2); letter-spacing: 0.06em; }

/* --------------------------------------------------------------------------
   13. Motion — one hero load-in, gentle scroll reveals
   -------------------------------------------------------------------------- */

.js .reveal { opacity: 0; transform: translateY(14px); }
.js .reveal.is-in {
  opacity: 1;
  transform: none;
  transition: opacity 620ms var(--ease), transform 620ms var(--ease);
}

.js [data-load] { opacity: 0; transform: translateY(16px); }
.js .is-loaded [data-load] {
  opacity: 1;
  transform: none;
  transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}
.js .is-loaded [data-load='1'] { transition-delay: 60ms; }
.js .is-loaded [data-load='2'] { transition-delay: 130ms; }
.js .is-loaded [data-load='3'] { transition-delay: 210ms; }
.js .is-loaded [data-load='4'] { transition-delay: 290ms; }
.js .is-loaded [data-load='5'] { transition-delay: 370ms; }
.js .is-loaded [data-load='6'] { transition-delay: 440ms; }

/* --------------------------------------------------------------------------
   14. Responsive
   -------------------------------------------------------------------------- */

@media (min-width: 900px) {
  .section__head {
    grid-column: 1 / 4;
    position: sticky;
    top: calc(var(--header-h) + 44px);
    align-self: start;
  }
  .section__body { grid-column: 4 / -1; }
  .record { grid-template-columns: 130px minmax(0, 1fr) auto; }
  .record__where { grid-column: 3; text-align: right; }
  .skills { grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(28px, 4vw, 56px); }
}

@media (max-width: 899px) {
  .site-nav { display: none; }
  .nav-toggle { display: inline-grid; }

  .site-nav[data-open='true'] {
    display: block;
    position: absolute;
    top: var(--header-h);
    left: 0; right: 0;
    padding: 8px var(--shell-pad) 20px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }
  .site-nav[data-open='true'] ul { flex-direction: column; align-items: stretch; gap: 0; }
  .site-nav[data-open='true'] a {
    display: block;
    padding: 13px 0;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--line);
  }
  .site-nav[data-open='true'] a::after { display: none; }
}

@media (max-width: 720px) {
  /* No negative space to hide in — quiet the motif down uniformly instead. */
  .hero__veil { background: var(--veil-narrow); }
}

@media (max-width: 620px) {
  .entry summary,
  .entry__static { grid-template-columns: minmax(0, 1fr); padding-left: 26px; }
  .entry__role,
  .entry__org,
  .entry__lede,
  .entry__cue { grid-column: 1; grid-row: auto; }
  .entry__org { margin-top: 2px; }
  .entry__cue { margin-top: 14px; }
  .entry__detail { padding-left: 26px; }
  .entry__marker { top: 30px; }
  .timeline::before { left: 5px; }
  .record { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .record__where { grid-column: 1; }
  .contact__actions { gap: 10px; }
  .email-cta { width: 100%; justify-content: center; }
  .site-footer__inner { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 380px) {
  .cert { width: 100%; justify-content: space-between; }
  .btn { padding: 11px 16px; font-size: 0.88rem; }
  .social { gap: 10px 18px; }
}

/* --------------------------------------------------------------------------
   15. Reduced motion — the diagram freezes, everything else stops moving
   -------------------------------------------------------------------------- */

@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;
  }

  .js .reveal,
  .js [data-load] { opacity: 1; transform: none; }
  .card:hover { transform: none; }
}

@media print {
  .site-header, .hero__diagram, .hero__veil, .nav-toggle, #copy-email { display: none; }
  body { background: #fff; color: #000; }
  .entry__detail { display: block !important; }
}