/* ==========================================================================
   Muhammad Shahzeb — Portfolio
   Design system: warm editorial. Calistoga (display) + Inter (body) +
   JetBrains Mono (labels/data). Cream/terracotta palette.
   ========================================================================== */

:root{
  /* --- color --- */
  --bg:            #F5EFE3;
  --bg-alt:        #ECE3D2;
  --surface:       #FFFDF8;
  --ink:           #211A13;
  --ink-soft:      #6B6152;
  --ink-faint:     #9C9182;
  --line:          #DFD3BC;
  --accent:        #C4572A;
  --accent-dark:   #9C431E;
  --accent-soft:   #F0DCC9;
  --gold:          #A9803F;
  --dark:          #1C1712;
  --dark-2:        #241D16;
  --cream-on-dark: #EFE6D6;

  /* --- type --- */
  --font-display: 'Calistoga', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;

  /* --- spacing scale --- */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs:  0.75rem;
  --space-sm:  1rem;
  --space-md:  1.5rem;
  --space-lg:  2.5rem;
  --space-xl:  4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  --radius-sm: 10px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-pill: 999px;

  --ease-out: cubic-bezier(.16,.84,.44,1);
  --dur-fast: .25s;
  --dur-med: .5s;

  --container: 1240px;
}

/* ==========================================================================
   Reset
   ========================================================================== */
*, *::before, *::after{ box-sizing: border-box; }
html{
  -webkit-text-size-adjust: 100%;
  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: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img{ max-width: 100%; display: block; }
a{ color: inherit; text-decoration: none; }
ul{ margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4,p{ margin: 0; }
button{ font: inherit; background: none; border: none; cursor: pointer; color: inherit; }
svg{ display: block; }

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

.skip-link{
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--ink);
  color: var(--bg);
  padding: .75rem 1.25rem;
  z-index: 999;
  border-radius: 0 0 8px 0;
}
.skip-link:focus{ left: 0; }

.wrap{
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
}

/* subtle grain overlay for texture/premium feel */
.grain{
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: .035;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='120' height='120'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
}

/* ==========================================================================
   Type helpers
   ========================================================================== */
.section-eyebrow{
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-sm);
  font-weight: 500;
}
.section-eyebrow-light{ color: var(--accent-soft); }

.section-title{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.1;
  letter-spacing: -0.01em;
  max-width: 16ch;
  margin-bottom: var(--space-lg);
}
.section-lede{
  font-size: 1.05rem;
  color: var(--ink-soft);
  max-width: 46ch;
  margin-top: -1.75rem;
  margin-bottom: var(--space-lg);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .95rem;
  padding: .95rem 1.6rem;
  border-radius: var(--radius-pill);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-2px); }
.btn:active{ transform: translateY(0); }

.btn-primary{
  background: var(--accent);
  color: #fff;
  box-shadow: 0 8px 20px -8px rgba(196,87,42,.55);
}
.btn-primary:hover{ background: var(--accent-dark); }

.btn-outline{
  background: transparent;
  color: var(--ink);
  border: 1.5px solid var(--line);
}
.btn-outline:hover{ border-color: var(--ink); background: var(--surface); }

.btn-light{ background: var(--cream-on-dark); color: var(--dark); box-shadow: none; }
.btn-light:hover{ background: #fff; }

.btn-outline-light{ border-color: rgba(239,230,214,.35); color: var(--cream-on-dark); }
.btn-outline-light:hover{ border-color: var(--cream-on-dark); }

.btn-small{ padding: .6rem 1.15rem; font-size: .85rem; }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header{
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding-block: var(--space-md);
  transition: padding var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.site-header.is-scrolled{
  padding-block: .85rem;
  background: rgba(245,239,227,.82);
  backdrop-filter: blur(10px) saturate(1.4);
  box-shadow: 0 1px 0 var(--line);
}
.header-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.logo{
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
}
.logo-mark{
  display: grid;
  place-items: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bg);
  font-family: var(--font-mono);
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .02em;
}
.logo-dot{ color: var(--accent); }

.main-nav{ display: flex; align-items: center; gap: var(--space-lg); }
.main-nav ul{ display: flex; align-items: center; gap: var(--space-md); }
.main-nav a:not(.btn){
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .9rem;
  font-weight: 500;
  padding: .3rem .1rem;
  position: relative;
}
.main-nav a:not(.btn)::after{
  content: "";
  position: absolute;
  left: 0; right: 100%;
  bottom: -2px;
  height: 1.5px;
  background: var(--accent);
  transition: right var(--dur-fast) var(--ease-out);
}
.main-nav a:not(.btn):hover::after{ right: 0; }
.nav-num{
  font-family: var(--font-mono);
  font-size: .68rem;
  color: var(--ink-faint);
}

.nav-toggle{
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px; height: 40px;
  border-radius: 50%;
  z-index: 110;
}
.nav-toggle span{
  width: 20px; height: 2px;
  background: var(--ink);
  margin-inline: auto;
  transition: transform var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero{
  padding-top: clamp(7rem, 14vw, 10rem);
  padding-bottom: var(--space-xl);
  position: relative;
  overflow: hidden;
}
.hero::before{
  content: "";
  position: absolute;
  top: -20%; right: -10%;
  width: 55vw; height: 55vw;
  max-width: 700px; max-height: 700px;
  background: radial-gradient(circle, var(--accent-soft) 0%, transparent 70%);
  opacity: .8;
  z-index: -1;
  border-radius: 50%;
}
.hero-inner{
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.eyebrow{
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-bottom: var(--space-md);
}
.eyebrow-dot{
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
.hero-title{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.5rem, 6vw, 4.4rem);
  line-height: 1.04;
  letter-spacing: -0.015em;
  margin-bottom: var(--space-md);
}
.hero-title-accent{ color: var(--accent); font-style: italic; }
.hero-sub{
  font-size: clamp(1rem, 1.3vw, 1.15rem);
  color: var(--ink-soft);
  max-width: 46ch;
  margin-bottom: var(--space-lg);
}
.hero-actions{ display: flex; flex-wrap: wrap; gap: 1rem; }

.hero-visual{ position: relative; }
.hero-photo-frame{
  position: relative;
  max-width: 420px;
  margin-inline: auto;
}
.hero-photo{
  width: 100%;
  aspect-ratio: 13/16;
  object-fit: cover;
  border-radius: var(--radius-lg) var(--radius-lg) 60px var(--radius-lg);
  box-shadow: 0 30px 60px -20px rgba(28,23,18,.35);
  border: 6px solid var(--surface);
}
.chip{
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: .1rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: .7rem 1rem;
  box-shadow: 0 14px 30px -12px rgba(28,23,18,.25);
  min-width: 148px;
}
.chip strong{ font-size: .95rem; font-family: var(--font-mono); font-weight: 600; }
.chip em{ font-style: normal; font-size: .68rem; color: var(--ink-soft); }
.chip-1{ top: 6%; left: -14%; }
.chip-2{ bottom: 14%; right: -16%; }
.chip-3{ bottom: -6%; left: 4%; }

/* logo marquee strip */
.marquee{
  margin-top: var(--space-2xl);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
  padding-block: var(--space-sm);
}
.marquee-track{
  display: flex;
  gap: 2.5rem;
  width: max-content;
  animation: marquee 28s linear infinite;
}
.marquee-track span{
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--ink-faint);
  white-space: nowrap;
}
@keyframes marquee{
  from{ transform: translateX(0); }
  to{ transform: translateX(-50%); }
}

/* ==========================================================================
   Stats
   ========================================================================== */
.stats{ padding-block: var(--space-xl); }
.stats-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.stat{
  border-left: 2px solid var(--line);
  padding-left: var(--space-md);
}
.stat-num{
  display: block;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  color: var(--accent);
  margin-bottom: .25rem;
}
.stat-label{
  font-size: .85rem;
  color: var(--ink-soft);
  line-height: 1.4;
}
.stats-note{
  margin-top: var(--space-lg);
  font-size: .78rem;
  color: var(--ink-faint);
  font-family: var(--font-mono);
}

/* ==========================================================================
   About
   ========================================================================== */
.about{ padding-block: var(--space-2xl); }
.about-grid{
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
.about-photo{
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 24px 50px -22px rgba(28,23,18,.3);
}
.about-photo img{ width: 100%; height: 100%; object-fit: cover; }
.about-quote{
  margin-top: var(--space-md);
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: var(--space-md);
}
.about-quote-label{
  font-family: var(--font-mono);
  font-size: .7rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--accent);
  margin-bottom: .5rem;
}
.about-quote p{
  color: var(--ink-soft);
  font-size: .88rem;
  line-height: 1.5;
  margin-top: .4rem;
}
.about-quote p span{ color: var(--ink-faint); }
.about-text{ display: grid; gap: 1.1rem; margin-bottom: var(--space-lg); }
.about-text p{ color: var(--ink-soft); max-width: 62ch; }
.about-facts{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
  border-top: 1px solid var(--line);
  padding-top: var(--space-md);
}
.about-facts li{ display: flex; flex-direction: column; gap: .2rem; }
.about-facts span{ font-family: var(--font-mono); font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-faint); }
.about-facts strong{ font-weight: 600; font-size: .95rem; }

/* ==========================================================================
   Experience timeline
   ========================================================================== */
.experience{ padding-block: var(--space-2xl); background: var(--bg-alt); }
.timeline{ position: relative; margin-top: var(--space-lg); }
.timeline::before{
  content: "";
  position: absolute;
  left: 148px;
  top: 6px; bottom: 6px;
  width: 1.5px;
  background: var(--line);
}
.timeline-item{
  display: grid;
  grid-template-columns: 148px 1fr;
  gap: var(--space-lg);
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--line);
  position: relative;
}
.timeline-item:first-child{ padding-top: 0; }
.timeline-item:last-child{ border-bottom: none; }
.timeline-item::before{
  content: "";
  position: absolute;
  left: 143px;
  top: calc(var(--space-lg) + 6px);
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--accent);
  border: 3px solid var(--bg-alt);
  box-shadow: 0 0 0 1.5px var(--accent);
}
.timeline-date{
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--ink-soft);
  padding-top: .2rem;
}
.timeline-body h3{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.35rem;
  margin-bottom: .35rem;
}
.timeline-org{
  font-size: .92rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: .85rem;
}
.timeline-org span{ color: var(--ink-faint); font-weight: 400; }
.timeline-body ul{ display: grid; gap: .55rem; max-width: 68ch; }
.timeline-body li{
  position: relative;
  padding-left: 1.1rem;
  color: var(--ink-soft);
  font-size: .95rem;
  line-height: 1.55;
}
.timeline-body li::before{
  content: "";
  position: absolute;
  left: 0; top: .55em;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold);
}

/* ==========================================================================
   Work / selected screenshots (tabbed galleries)
   ========================================================================== */
.work{ padding-block: var(--space-2xl); }

.tab-list{
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: var(--space-md);
  margin-bottom: var(--space-lg);
}
.tab-btn{
  font-family: var(--font-body);
  font-weight: 600;
  font-size: .9rem;
  padding: .65rem 1.25rem;
  border-radius: var(--radius-pill);
  border: 1.5px solid var(--line);
  color: var(--ink-soft);
  transition: all var(--dur-fast) var(--ease-out);
}
.tab-btn:hover{ border-color: var(--accent); color: var(--accent-dark); }
.tab-btn.is-active{
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bg);
}

.tab-panel[hidden]{ display: none; }
.tab-caption{
  color: var(--ink-soft);
  max-width: 62ch;
  margin-bottom: var(--space-md);
  font-size: .95rem;
}
.gallery-subheading{
  font-family: var(--font-mono);
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-faint);
  margin: var(--space-lg) 0 var(--space-sm);
}
.gallery-subheading:first-of-type{ margin-top: var(--space-md); }

.gallery-grid{
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .7rem;
  position: relative;
  overflow: hidden;
  max-height: 356px;
  transition: max-height .5s var(--ease-out);
}
.gallery-grid.is-expanded{ max-height: 4000px; }
.gallery-grid::after{
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 90px;
  background: linear-gradient(to bottom, transparent, var(--bg) 92%);
  pointer-events: none;
  opacity: 1;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.gallery-grid.is-expanded::after{ opacity: 0; }

.gallery-grid img{
  width: 100%;
  height: 168px;
  object-fit: cover;
  object-position: top;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  cursor: zoom-in;
  background: var(--surface);
  transition: transform var(--dur-fast) var(--ease-out);
}
.gallery-grid img:hover{ transform: scale(1.03); }

.show-more-btn{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  margin-top: var(--space-md);
  font-size: .85rem;
  font-weight: 600;
  color: var(--accent-dark);
  border-bottom: 1.5px solid var(--accent-soft);
  padding-bottom: .15rem;
}
.show-more-btn:hover{ border-color: var(--accent); }

/* ==========================================================================
   Skills
   ========================================================================== */
.skills{ padding-block: var(--space-2xl); background: var(--bg-alt); }
.skills-grid{
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg) var(--space-md);
  margin-top: var(--space-lg);
}
.skill-group h3{
  font-size: .95rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
}
.tag-list{ display: flex; flex-wrap: wrap; gap: .5rem; }
.tag-list li{
  font-size: .82rem;
  padding: .45rem .85rem;
  border-radius: var(--radius-pill);
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--ink-soft);
  transition: all var(--dur-fast) var(--ease-out);
}
.tag-list li:hover{ border-color: var(--accent); color: var(--accent-dark); background: var(--accent-soft); }

/* ==========================================================================
   Credentials
   ========================================================================== */
.creds{ padding-block: var(--space-2xl); }
.creds-grid{
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-xl);
}
.creds-heading{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 1.4rem;
  margin-bottom: var(--space-md);
}
.creds-list{ display: grid; gap: var(--space-md); }
.creds-list li{
  display: flex;
  flex-direction: column;
  gap: .2rem;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--line);
}
.creds-list strong{ font-size: 1rem; font-weight: 600; }
.creds-list span{ font-size: .85rem; color: var(--ink-soft); font-family: var(--font-mono); }

/* ==========================================================================
   CTA / contact
   ========================================================================== */
.cta{
  background: var(--dark);
  color: var(--cream-on-dark);
  padding-block: var(--space-2xl);
  position: relative;
  overflow: hidden;
}
.cta::before{
  content: "";
  position: absolute;
  bottom: -30%; left: 50%;
  transform: translateX(-50%);
  width: 70vw; height: 70vw;
  max-width: 900px; max-height: 900px;
  background: radial-gradient(circle, rgba(196,87,42,.25) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-inner{ position: relative; text-align: center; display: flex; flex-direction: column; align-items: center; }
.cta-title{
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  line-height: 1.08;
  margin-bottom: var(--space-md);
  color: #fff;
}
.cta-sub{ color: rgba(239,230,214,.72); max-width: 46ch; margin-bottom: var(--space-lg); font-size: 1.05rem; }
.cta-actions{ display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; }

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer{ background: var(--dark-2); color: var(--cream-on-dark); padding-block: var(--space-lg); }
.footer-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid rgba(239,230,214,.12);
}
.logo-footer .logo-text{ color: var(--cream-on-dark); }
.footer-inner p{ color: rgba(239,230,214,.6); font-size: .88rem; }
.footer-links{ display: flex; align-items: center; gap: var(--space-md); font-size: .88rem; }
.footer-links a{ color: rgba(239,230,214,.8); transition: color var(--dur-fast); }
.footer-links a:hover{ color: var(--accent); }
.footer-copy{
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1.25rem, 4vw, 2.5rem);
  padding-top: var(--space-md);
  font-size: .78rem;
  color: rgba(239,230,214,.45);
  font-family: var(--font-mono);
}

/* ==========================================================================
   Scroll reveal states (JS toggles .is-visible)
   ========================================================================== */
[data-reveal]{
  opacity: 0;
  transform: translateY(22px);
}
[data-reveal].is-visible{
  opacity: 1;
  transform: translateY(0);
  transition: opacity .6s var(--ease-out), transform .6s var(--ease-out);
}
.no-js [data-reveal]{ opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce){
  [data-reveal]{ opacity: 1; transform: none; }
}

/* ==========================================================================
   Lightbox (simple)
   ========================================================================== */
.lightbox{
  position: fixed;
  inset: 0;
  background: rgba(20,16,12,.88);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 2rem;
}
.lightbox.is-open{ display: flex; }
.lightbox img{
  max-width: min(92vw, 1100px);
  max-height: 88vh;
  object-fit: contain;
  border-radius: var(--radius-sm);
}
.lightbox-close{
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: rgba(255,255,255,.1);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 1.3rem;
}
.lightbox-close:hover{ background: rgba(255,255,255,.2); }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1024px){
  .hero-inner{ grid-template-columns: 1fr; }
  .hero-visual{ order: -1; max-width: 360px; margin-inline: auto; }
  .about-grid{ grid-template-columns: 1fr; }
  .about-photo{ max-width: 360px; margin-inline: auto; }
  .about-quote{ max-width: 360px; margin-inline: auto; }
  .creds-grid{ grid-template-columns: 1fr; }
  .skills-grid{ grid-template-columns: repeat(2, 1fr); }
  .chip{ position: static; margin-top: .75rem; display: inline-flex; flex-direction: row; gap: .5rem; align-items: baseline; }
  .hero-photo-frame{ display: flex; flex-direction: column; }
}

@media (max-width: 860px){
  .main-nav{
    position: fixed;
    inset: 0 0 0 30%;
    background: var(--bg);
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 2rem clamp(1.5rem,8vw,3rem);
    transform: translateX(100%);
    transition: transform .45s var(--ease-out);
    z-index: 105;
  }
  .main-nav.is-open{ transform: translateX(0); }
  .main-nav ul{ flex-direction: column; align-items: flex-start; gap: var(--space-lg); }
  .main-nav ul a{ font-size: 1.4rem; font-family: var(--font-display); }
  .nav-cta{ margin-top: var(--space-lg); }
  .nav-toggle{ display: flex; }
  .nav-toggle[aria-expanded="true"] span:nth-child(1){ transform: translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity: 0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3){ transform: translateY(-7px) rotate(-45deg); }

  .stats-grid{ grid-template-columns: repeat(2, 1fr); gap: var(--space-lg); }
  .gallery-grid{ grid-template-columns: repeat(3, 1fr); max-height: 400px; }
  .gallery-grid img{ height: 120px; }
  .skills-grid{ grid-template-columns: 1fr; }
  .timeline::before{ left: 6px; }
  .timeline-item{ grid-template-columns: 1fr; gap: .5rem; }
  .timeline-item::before{ left: 1px; top: 4px; }
  .timeline-date{ padding-left: 1.5rem; }
  .timeline-body{ padding-left: 1.5rem; border-left: 1.5px solid var(--line); margin-left: 5px; }
}

@media (max-width: 560px){
  .hero{ padding-top: 6.5rem; }
  .about-facts{ grid-template-columns: 1fr; }
  .cta-actions{ flex-direction: column; width: 100%; }
  .cta-actions .btn{ justify-content: center; }
  .footer-inner{ flex-direction: column; align-items: flex-start; }
  .gallery-grid{ grid-template-columns: repeat(2, 1fr); }
  .tab-list{ gap: .4rem; }
  .tab-btn{ padding: .55rem 1rem; font-size: .82rem; }
}