/* ──────────────────────────────────────────────────────────────────
   Portfolio — Dhevan Anthareza
   Modern minimal · warm neutrals · olive accent
   ────────────────────────────────────────────────────────────────── */

:root {
  --paper:    #f6f1e7;
  --paper-2:  #efe9dc;
  --paper-3:  #e6dfce;
  --ink:      #1c1815;
  --ink-2:    #3a322a;
  --ink-3:    #6b6055;
  --ink-4:    #9a8e80;
  --line:     rgba(28, 24, 21, 0.10);
  --line-2:   rgba(28, 24, 21, 0.18);
  --accent:   #365314;
  --accent-soft: rgba(54, 83, 20, 0.10);

  --font-display: "Fraunces", "Charter", "Iowan Old Style", Georgia, serif;
  --font-body:    "Inter", -apple-system, BlinkMacSystemFont, system-ui, "Helvetica Neue", sans-serif;
  --font-mono:    ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --container: 1240px;

  --t-fast: 150ms cubic-bezier(.2,.7,.3,1);
  --t-med:  220ms cubic-bezier(.2,.7,.3,1);
  --t-slow: 600ms cubic-bezier(.2,.7,.3,1);
}

/* ──────────────────────────────────────────────────────────────────
   Reset
   ────────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: 80px; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.55;
  font-feature-settings: "ss01", "cv11";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
img { height: auto; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: none; background: none; }
ul, ol { list-style: none; }
[hidden] { display: none !important; }

.skip-link {
  position: absolute;
  top: -40px;
  left: 12px;
  background: var(--ink);
  color: var(--paper);
  padding: 8px 14px;
  border-radius: 6px;
  z-index: 100;
  transition: top var(--t-fast);
}
.skip-link:focus { top: 12px; }

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

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}
@media (max-width: 720px) { .container { padding: 0 20px; } }

.bullet { display: inline-block; margin: 0 8px; opacity: .4; }

/* ──────────────────────────────────────────────────────────────────
   Reveal animation — IntersectionObserver-driven, GPU-only
   ────────────────────────────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translate3d(0, 14px, 0);
  transition: opacity var(--t-slow), transform var(--t-slow);
  will-change: opacity, transform;
}
.reveal.is-in {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ──────────────────────────────────────────────────────────────────
   Nav
   ────────────────────────────────────────────────────────────────── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--paper) 78%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-fast), background var(--t-fast);
}
.nav.is-scrolled { border-bottom-color: var(--line); }
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav__logo { display: flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: -0.01em; }
.nav__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 7px;
  background: var(--ink);
  color: var(--paper);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}
.nav__name {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
  font-variation-settings: "opsz" 24;
}
.nav__links { display: flex; align-items: center; gap: 4px; font-size: 14px; }
.nav__links > a {
  padding: 8px 14px;
  border-radius: 8px;
  color: var(--ink-2);
  font-weight: 500;
  transition: color var(--t-fast), background var(--t-fast);
}
.nav__links > a:hover { color: var(--ink); background: var(--paper-2); }
.nav__cta { background: var(--ink); color: var(--paper) !important; }
.nav__cta:hover { background: var(--accent) !important; }

@media (max-width: 720px) {
  .nav__links a:not(.nav__cta) { display: none; }
  .nav__inner { height: 56px; }
  .nav__name { font-size: 17px; }
}

/* ──────────────────────────────────────────────────────────────────
   Hero
   ────────────────────────────────────────────────────────────────── */
.hero { padding: 80px 0 96px; position: relative; }
@media (max-width: 720px) { .hero { padding: 48px 0 64px; } }

.hero__top { margin-bottom: 32px; }
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-2);
  font-weight: 500;
}
.pulse {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 0 var(--accent);
  animation: pulse 2.2s infinite;
}
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 50%, transparent); }
  70%  { box-shadow: 0 0 0 9px color-mix(in srgb, var(--accent) 0%, transparent); }
  100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--accent) 0%, transparent); }
}

.hero__name {
  font-family: var(--font-display);
  font-size: clamp(48px, 9vw, 124px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  font-weight: 500;
  font-variation-settings: "opsz" 144;
  color: var(--ink);
  margin-bottom: 12px;
  text-wrap: balance;
}
.hero__role {
  font-size: 18px;
  color: var(--ink-3);
  margin-bottom: 32px;
}
.hero__tagline {
  max-width: 720px;
  font-size: clamp(18px, 1.6vw, 22px);
  line-height: 1.55;
  color: var(--ink-2);
  margin-bottom: 40px;
  text-wrap: pretty;
}
.hero__cta {
  display: flex;
  gap: 12px;
  margin-bottom: 64px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 46px;
  padding: 0 20px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 500;
  transition: transform var(--t-fast), background var(--t-fast), color var(--t-fast), box-shadow var(--t-fast), border-color var(--t-fast);
}
.btn:active { transform: translateY(1px); }
.btn--primary { background: var(--ink); color: var(--paper); }
.btn--primary:hover { background: var(--accent); color: var(--paper); }
.btn--ghost { background: transparent; color: var(--ink); border: 1px solid var(--line-2); }
.btn--ghost:hover { background: var(--paper-2); border-color: var(--ink); }
.btn--text { color: var(--ink-2); padding: 0 8px; }
.btn--text:hover { color: var(--accent); }

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
  max-width: 760px;
}
@media (max-width: 640px) { .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 20px; } }
.stat { display: flex; flex-direction: column-reverse; gap: 6px; }
.stat__v {
  font-family: var(--font-display);
  font-size: 38px;
  line-height: 1;
  letter-spacing: -0.025em;
  font-weight: 500;
  color: var(--ink);
  font-variation-settings: "opsz" 48;
}
.stat__l { font-size: 13px; color: var(--ink-3); }

/* ──────────────────────────────────────────────────────────────────
   Section headers
   ────────────────────────────────────────────────────────────────── */
.sec__head {
  margin-bottom: 48px;
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 24px;
  row-gap: 10px;
  align-items: end;
  border-top: 1px solid var(--line);
  padding-top: 36px;
}
.sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-4);
  grid-row: 1 / span 2;
  align-self: start;
  padding-top: 16px;
  letter-spacing: 0.04em;
}
.sec__title {
  font-family: var(--font-display);
  font-size: clamp(32px, 4.6vw, 56px);
  line-height: 1;
  letter-spacing: -0.03em;
  font-weight: 500;
  color: var(--ink);
  font-variation-settings: "opsz" 96;
  text-wrap: balance;
}
.sec__sub {
  color: var(--ink-3);
  font-size: 16px;
  max-width: 620px;
  text-wrap: pretty;
}

/* ──────────────────────────────────────────────────────────────────
   Skills
   ────────────────────────────────────────────────────────────────── */
.skills { padding: 56px 0; }
.skills__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
@media (max-width: 1080px) { .skills__grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 540px)  { .skills__grid { grid-template-columns: 1fr; } }

.skill-col__h {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.skill-col__list { display: flex; flex-direction: column; gap: 2px; }
.skill {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: 14px;
}
.skill__name { font-weight: 500; }
.skill__lvl {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-4);
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--paper-2);
  letter-spacing: 0.02em;
}
.skill__lvl--expert { color: var(--accent); background: var(--accent-soft); }

/* ──────────────────────────────────────────────────────────────────
   Projects
   ────────────────────────────────────────────────────────────────── */
.projects { padding: 56px 0; }

.filters {
  display: flex;
  gap: 4px;
  margin-bottom: 32px;
  flex-wrap: wrap;
  padding: 6px;
  background: var(--paper-2);
  border-radius: 12px;
  width: fit-content;
}
.filter {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 13px;
  color: var(--ink-3);
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-weight: 500;
  transition: background var(--t-fast), color var(--t-fast);
}
.filter:hover { color: var(--ink); }
.filter.is-on { background: var(--ink); color: var(--paper); }
.filter__count { font-size: 11px; font-family: var(--font-mono); opacity: .6; }

.projects__list { display: flex; flex-direction: column; gap: 16px; }

.pcard {
  background: var(--paper-2);
  border-radius: 16px;
  border: 1px solid var(--line);
  overflow: hidden;
  transition: background var(--t-med), border-color var(--t-med);
  contain: layout style;
}
.pcard:hover { border-color: var(--line-2); }
.pcard.is-open { border-color: var(--ink); background: var(--paper); }

.pcard__head {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 28px;
  padding: 20px;
  cursor: pointer;
  align-items: center;
}
@media (max-width: 720px) {
  .pcard__head { grid-template-columns: 1fr; gap: 16px; padding: 16px; }
}

.pcard__thumb {
  height: 200px;
  border-radius: 10px;
  overflow: hidden;
  background: var(--paper-3);
  border: 1px solid var(--line);
}
.pcard__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top;
  transition: transform var(--t-slow);
}
.pcard:hover .pcard__thumb img { transform: scale(1.03); }
.pcard__thumb--mobile { background: var(--ink); }
.pcard__thumb--mobile img { object-fit: contain; }
@media (max-width: 720px) { .pcard__thumb { height: 180px; } }

.pcard__meta { min-width: 0; }
.pcard__top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}
.pcard__tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: 4px;
  background: var(--paper);
  color: var(--ink-3);
  border: 1px solid var(--line);
}
.pcard__toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 100px;
  background: var(--paper);
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-2);
  border: 1px solid var(--line);
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}
.pcard__head:hover .pcard__toggle { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pcard.is-open .pcard__toggle-ic { transform: rotate(45deg); }
.pcard__toggle-ic { transition: transform var(--t-med); }

.pcard__title {
  font-family: var(--font-display);
  font-size: 32px;
  line-height: 1.05;
  letter-spacing: -0.025em;
  font-weight: 500;
  font-variation-settings: "opsz" 48;
  margin-bottom: 8px;
  text-wrap: balance;
}
.pcard__tagline { font-size: 15px; color: var(--ink-2); margin-bottom: 12px; text-wrap: pretty; }
.pcard__role { font-family: var(--font-mono); font-size: 12px; color: var(--ink-3); }

.pcard__body {
  padding: 0 20px 28px;
  display: grid;
  gap: 32px;
  border-top: 1px solid var(--line);
  padding-top: 28px;
  margin-top: 4px;
  animation: fadeUp .4s ease both;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translate3d(0, 8px, 0); }
  to   { opacity: 1; transform: translate3d(0, 0, 0); }
}

.pcard__metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
@media (max-width: 640px) { .pcard__metrics { grid-template-columns: 1fr; } }
.metric {
  padding: 18px;
  border-radius: 10px;
  background: var(--paper-2);
  border: 1px solid var(--line);
}
.metric__v {
  font-family: var(--font-display);
  font-size: 28px;
  line-height: 1;
  letter-spacing: -0.02em;
  font-weight: 500;
  color: var(--accent);
  margin-bottom: 6px;
  font-variation-settings: "opsz" 36;
}
.metric__l { font-size: 13px; color: var(--ink-3); }

.pcard__h {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-4);
  margin-bottom: 12px;
}
.pcard__p { font-size: 16px; color: var(--ink-2); max-width: 70ch; line-height: 1.7; }
.pcard__list { display: flex; flex-direction: column; gap: 12px; max-width: 80ch; }
.pcard__list li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  color: var(--ink-2);
  line-height: 1.6;
}
.pcard__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 12px;
  height: 1px;
  background: var(--accent);
}
.pcard__stack { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 6px;
  background: var(--paper);
  border: 1px solid var(--line);
  color: var(--ink-2);
}
.chip--sm { font-size: 11px; padding: 3px 8px; }

.pcard__shots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}
.shot__frame {
  border-radius: 10px;
  overflow: hidden;
  background: var(--paper-3);
  border: 1px solid var(--line);
  aspect-ratio: 4 / 3;
}
.shot__frame img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.shot--mobile .shot__frame { aspect-ratio: 9 / 16; background: var(--ink); }
.shot--mobile .shot__frame img { object-fit: contain; }
.shot figcaption {
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 8px;
  font-family: var(--font-mono);
  text-wrap: pretty;
  line-height: 1.5;
}

/* ──────────────────────────────────────────────────────────────────
   Experience timeline
   ────────────────────────────────────────────────────────────────── */
.exp { padding: 56px 0; }
.timeline { display: flex; flex-direction: column; }
.job {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 32px;
  padding: 32px 0;
  border-top: 1px solid var(--line);
}
.job:last-child { border-bottom: 1px solid var(--line); }
@media (max-width: 720px) {
  .job { grid-template-columns: 1fr; gap: 12px; padding: 24px 0; }
}
.job__period { font-family: var(--font-mono); font-size: 13px; color: var(--ink-2); margin-bottom: 4px; }
.job__loc { font-size: 12px; color: var(--ink-4); }
.job__note { font-size: 11px; color: var(--ink-4); font-style: italic; margin-top: 3px; }
.job__role {
  font-family: var(--font-display);
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.02em;
  font-weight: 500;
  margin-bottom: 4px;
  font-variation-settings: "opsz" 36;
}
.job__co { font-size: 14px; color: var(--ink-3); margin-bottom: 16px; }
.job__bullets { display: flex; flex-direction: column; gap: 8px; margin-bottom: 14px; max-width: 70ch; }
.job__bullets li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  color: var(--ink-2);
  line-height: 1.6;
}
.job__bullets li::before {
  content: '·';
  position: absolute;
  left: 4px;
  color: var(--accent);
  font-weight: 700;
  font-size: 20px;
  line-height: 1;
}
.job__tech { display: flex; flex-wrap: wrap; gap: 6px; }

/* ──────────────────────────────────────────────────────────────────
   Contact
   ────────────────────────────────────────────────────────────────── */
.contact {
  padding: 96px 0 64px;
  background: linear-gradient(180deg, transparent, var(--paper-2));
}
.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 64px;
  align-items: start;
}
@media (max-width: 900px) {
  .contact__inner { grid-template-columns: 1fr; gap: 32px; }
}
.contact__title {
  font-family: var(--font-display);
  font-size: clamp(40px, 6vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.035em;
  font-weight: 500;
  margin: 12px 0 16px;
  font-variation-settings: "opsz" 120;
  text-wrap: balance;
}
.contact__sub { font-size: 16px; color: var(--ink-3); max-width: 380px; text-wrap: pretty; }
.contact__cards { display: flex; flex-direction: column; gap: 8px; }
.ccard {
  display: grid;
  grid-template-columns: 44px 1fr auto;
  gap: 20px;
  align-items: center;
  padding: 20px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 14px;
  transition: transform var(--t-fast), border-color var(--t-fast), background var(--t-fast);
}
.ccard:hover { transform: translateY(-2px); border-color: var(--ink); }
.ccard:hover .ccard__arrow { transform: translate(2px, -2px); color: var(--accent); }
.ccard__ic {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: var(--paper-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
}
.ccard__txt { display: flex; flex-direction: column; min-width: 0; }
.ccard__l { font-size: 12px; color: var(--ink-3); margin-bottom: 2px; font-family: var(--font-mono); }
.ccard__v { font-size: 15px; color: var(--ink); font-weight: 500; word-break: break-all; }
.ccard__arrow { color: var(--ink-3); transition: transform var(--t-fast), color var(--t-fast); }

/* ──────────────────────────────────────────────────────────────────
   Footer
   ────────────────────────────────────────────────────────────────── */
.foot { padding: 32px 0 40px; border-top: 1px solid var(--line); }
.foot__inner {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-4);
}
@media (max-width: 540px) { .foot__inner { flex-direction: column; gap: 8px; } }

/* ──────────────────────────────────────────────────────────────────
   Selection
   ────────────────────────────────────────────────────────────────── */
::selection { background: var(--accent); color: var(--paper); }

/* Print: clean for CV-style PDF export */
@media print {
  .nav, .filters, .pcard__toggle, .hero__cta, .contact { display: none !important; }
  .pcard__body { display: grid !important; }
  body { background: white; color: black; }
}