@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@500;600;700;800&family=Inter:wght@400;500;600;700&display=swap');

/* ============ Design Tokens ============ */
:root {
  --color-bg: #ffffff;
  --color-bg-soft: #f7f7f8;
  --color-surface: #f5f5f6;
  --color-surface-hover: #eeeeef;
  --color-border: rgba(10, 10, 11, 0.09);
  --color-border-strong: rgba(10, 10, 11, 0.16);
  --color-text: #0f0f11;
  --color-text-muted: #55555d;
  --color-text-faint: #85858c;
  --color-red: #e5173d;
  --color-red-dim: #b3122f;
  --color-red-glow: rgba(229, 23, 61, 0.09);
  --color-white: #ffffff;

  --color-black: #0a0a0b;
  --color-black-soft: #17171a;
  --color-on-black: #f5f5f7;
  --color-on-black-muted: #a3a3ab;
  --color-on-black-border: rgba(255, 255, 255, 0.12);

  --font-heading: 'Archivo', 'Inter', sans-serif;
  --font-body: 'Inter', sans-serif;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --space-9: 96px;
  --space-10: 128px;

  --container-max: 1200px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --dur-fast: 150ms;
  --dur-med: 300ms;
}

/* ============ Reset ============ */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  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 { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-heading); margin: 0; line-height: 1.1; font-weight: 700; }
p { margin: 0; }
button { font-family: inherit; cursor: pointer; }
svg { display: block; }

@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; }
}

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

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-5);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-red);
}
.eyebrow::before {
  content: '';
  width: 24px;
  height: 2px;
  background: var(--color-red);
  display: inline-block;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-5);
  margin-bottom: var(--space-8);
  flex-wrap: wrap;
}
.section-title {
  font-size: clamp(32px, 4vw, 48px);
  margin-top: var(--space-3);
}
.section-title span { color: var(--color-red); }
.section-title span.accent-neutral { color: var(--color-text); }
.section-kicker-index {
  font-family: var(--font-heading);
  font-size: 14px;
  color: var(--color-text-faint);
  font-weight: 600;
}

section { padding: var(--space-9) 0; position: relative; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 15px 28px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  transition: transform var(--dur-fast) var(--ease-out), background var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
  cursor: pointer;
  min-height: 48px;
}
.btn:active { transform: scale(0.97); }
.btn-primary {
  background: var(--color-red);
  color: var(--color-white);
}
.btn-primary:hover { background: #ff2c50; }
.btn-outline {
  background: transparent;
  color: var(--color-text);
  border-color: var(--color-border-strong);
}
.btn-outline:hover { border-color: var(--color-red); color: var(--color-red); }

/* ============ Nav ============ */
/* Default state: transparent, floating over the full-bleed hero photo (light text). */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: transparent;
  border-bottom: 1px solid transparent;
  transition: background var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
}
/* Scrolled state (added by JS once the hero photo scrolls out of view, and set
   statically on interior pages that have no dark hero): opaque white bar. */
.nav.scrolled {
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--color-border);
}
.nav-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--space-3) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
}
.brand {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 18px;
  color: var(--color-on-black);
}
.nav.scrolled .brand { color: var(--color-text); }
.nav-links {
  display: flex;
  gap: var(--space-6);
}
.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.8);
  transition: color var(--dur-fast) var(--ease-out);
  position: relative;
  padding: var(--space-2) 0;
}
.nav.scrolled .nav-links a { color: var(--color-text-muted); }
.nav-links a:hover, .nav-links a.active { color: var(--color-white); }
.nav.scrolled .nav-links a:hover, .nav.scrolled .nav-links a.active { color: var(--color-text); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: var(--color-red);
}
.nav-cta { display: flex; align-items: center; gap: var(--space-4); }
.nav-cta .btn { padding: 10px 20px; min-height: 40px; font-size: 14px; }
.nav-cta .btn-outline { color: var(--color-on-black); border-color: rgba(255, 255, 255, 0.4); }
.nav-cta .btn-outline:hover { border-color: var(--color-red); color: var(--color-red); }
.nav.scrolled .nav-cta .btn-outline { color: var(--color-text); border-color: var(--color-border-strong); }
.nav.scrolled .nav-cta .btn-outline:hover { border-color: var(--color-red); color: var(--color-red); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-on-black);
  padding: var(--space-2);
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}
.nav.scrolled .nav-toggle { color: var(--color-text); }

@media (max-width: 860px) {
  .nav-links {
    position: fixed;
    top: 65px; left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 16px 32px rgba(10, 10, 11, 0.08);
    flex-direction: column;
    gap: 0;
    padding: var(--space-3) 0;
    transform: translateY(-8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out);
  }
  .nav-links.open { opacity: 1; transform: translateY(0); pointer-events: auto; }
  .nav-links a, .nav.scrolled .nav-links a { padding: 14px var(--space-5); width: 100%; display: block; color: var(--color-text-muted); }
  .nav-links a:hover, .nav-links a.active,
  .nav.scrolled .nav-links a:hover, .nav.scrolled .nav-links a.active { color: var(--color-text); }
  .nav-toggle { display: inline-flex; }
  .nav-cta .btn-outline { display: none; }
}

/* ============ Hero (full-bleed photo) ============ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
}
.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 18%;
}
.hero-scrim {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(8, 8, 9, 0.45) 0%, rgba(8, 8, 9, 0.35) 35%, rgba(8, 8, 9, 0.82) 100%),
    linear-gradient(90deg, rgba(8, 8, 9, 0.55) 0%, rgba(8, 8, 9, 0.15) 55%);
}
.hero-content {
  position: relative;
  z-index: 1;
  width: 100%;
  padding-top: calc(var(--space-9) + 90px);
  padding-bottom: var(--space-9);
}
.hero-content .eyebrow { color: var(--color-red); }

.hero-cycle {
  display: grid;
  margin-top: var(--space-4);
  max-width: 20ch;
}
.cycle-word {
  grid-area: 1 / 1;
  font-size: clamp(40px, 6.6vw, 84px);
  letter-spacing: -0.02em;
  line-height: 1.04;
  color: var(--color-white);
  opacity: 0;
  filter: blur(18px);
  transition: opacity 900ms var(--ease-out), filter 900ms var(--ease-out);
}
.cycle-word.active { opacity: 1; filter: blur(0); }

.hero-ctas {
  display: flex;
  gap: var(--space-4);
  margin-top: var(--space-7);
  flex-wrap: wrap;
  align-items: center;
}
.hero-location {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: var(--space-7);
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  color: var(--color-on-black);
  font-size: 13px;
}
.hero-location svg { color: var(--color-red); flex-shrink: 0; }

@media (max-width: 640px) {
  .hero-content { padding-bottom: var(--space-7); }
  .cycle-word { font-size: clamp(32px, 10vw, 48px); }
}

/* ============ About ============ */
.about-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: var(--space-8);
  align-items: start;
}
.about-photo {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  position: sticky;
  top: 100px;
}
.about-photo img { width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.about-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-5);
  font-size: 16.5px;
}
.about-text p:last-child { margin-bottom: 0; }

@media (max-width: 860px) {
  .about-grid { grid-template-columns: 1fr; }
  .about-photo { position: static; max-width: 320px; }
}

/* ============ Experience ============ */
.exp-item {
  border-bottom: 1px solid var(--color-border);
}
.exp-item:first-child { border-top: 1px solid var(--color-border); }
.exp-trigger {
  width: 100%;
  background: none;
  border: none;
  color: var(--color-text);
  padding: var(--space-6) 0;
  display: grid;
  grid-template-columns: 1fr 170px 20px;
  align-items: center;
  column-gap: var(--space-5);
  text-align: left;
}
.exp-trigger-main { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.exp-role { font-family: var(--font-heading); font-size: clamp(18px, 2.4vw, 22px); font-weight: 700; }
.exp-meta { font-size: 14px; color: var(--color-text-muted); }
.exp-meta .company { color: var(--color-red); font-weight: 600; }
.exp-date {
  font-size: 13px;
  color: var(--color-text-faint);
  white-space: nowrap;
  font-family: var(--font-heading);
  text-align: left;
}

@media (max-width: 640px) {
  .exp-trigger { grid-template-columns: 1fr 20px; }
  .exp-date { grid-column: 1 / 2; grid-row: 2; font-size: 12px; }
}
.exp-chevron {
  flex-shrink: 0;
  transition: transform var(--dur-med) var(--ease-out);
  color: var(--color-text-muted);
}
.exp-item.open .exp-chevron { transform: rotate(45deg); color: var(--color-red); }
.exp-panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--dur-med) var(--ease-out);
}
.exp-item.open .exp-panel { max-height: 600px; }
.exp-panel-inner { padding-bottom: var(--space-6); }
.exp-bullets li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  font-size: 15px;
}
.exp-bullets li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  background: var(--color-red);
  border-radius: 50%;
}

/* ============ Skills ============ */
.skills-primary {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
  margin-bottom: var(--space-9);
  overflow-x: auto;
  padding-bottom: 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.skill-pill {
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  padding: 8px 12px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 11.5px;
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: border-color var(--dur-med) var(--ease-out), background var(--dur-med) var(--ease-out);
}
.skill-pill:hover { border-color: var(--color-red); background: var(--color-surface); }
.skill-pill .idx { color: var(--color-red); font-size: 11px; }

.competency-slider { position: relative; }
.competency-grid {
  display: flex;
  gap: var(--space-6);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.competency-grid::-webkit-scrollbar { display: none; }
.competency-card {
  flex: 0 0 calc((100% - 3 * var(--space-6)) / 4);
  scroll-snap-align: start;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: 0 2px 16px rgba(10, 10, 11, 0.04);
  transition: border-color var(--dur-med) var(--ease-out), transform var(--dur-med) var(--ease-out), box-shadow var(--dur-med) var(--ease-out);
}
.competency-slider-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-border-strong);
  color: var(--color-text);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(10, 10, 11, 0.12);
  transition: background var(--dur-fast) var(--ease-out), color var(--dur-fast) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.competency-slider-arrow:hover { background: var(--color-red); color: var(--color-white); border-color: var(--color-red); }
.competency-slider-arrow:disabled { opacity: 0; pointer-events: none; }
.competency-slider-arrow.prev { left: -20px; }
.competency-slider-arrow.next { right: -20px; }

@media (max-width: 1100px) {
  .competency-card { flex-basis: calc((100% - var(--space-6)) / 2); }
}
@media (max-width: 640px) {
  .competency-card { flex-basis: 85%; }
  .competency-slider-arrow.prev { left: 4px; }
  .competency-slider-arrow.next { right: 4px; }
}
.competency-card:hover { border-color: var(--color-border-strong); transform: translateY(-4px); box-shadow: 0 16px 32px rgba(10, 10, 11, 0.08); }
.competency-card h4 {
  font-size: 16px;
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.competency-card ul li {
  font-size: 14px;
  color: var(--color-text-muted);
  padding: 6px 0;
}

/* ============ Projects ============ */
.project-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
.project-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  box-shadow: 0 2px 16px rgba(10, 10, 11, 0.05);
  display: block;
  transition: transform var(--dur-med) var(--ease-out), border-color var(--dur-med) var(--ease-out);
}
.project-card:hover { transform: translateY(-6px); border-color: var(--color-border-strong); box-shadow: 0 20px 40px rgba(10, 10, 11, 0.1); }
.project-card:hover .project-photo img { transform: scale(1.06); }
.project-photo { aspect-ratio: 16/10; overflow: hidden; }
.project-photo img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms var(--ease-out); }
.project-body { padding: var(--space-6); }
.project-index { font-family: var(--font-heading); color: var(--color-red); font-size: 14px; font-weight: 700; }
.project-company { font-size: 13px; color: var(--color-text-faint); margin-top: var(--space-2); }
.project-title { font-size: 20px; margin-top: 8px; }
.project-link {
  margin-top: var(--space-5);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
}
.project-card:hover .project-link { color: var(--color-red); }
.project-link svg { transition: transform var(--dur-fast) var(--ease-out); }
.project-card:hover .project-link svg { transform: translateX(4px); }

@media (max-width: 760px) {
  .project-grid { grid-template-columns: 1fr; }
}

/* ============ Contact (black segment) ============ */
.contact-panel {
  background: var(--color-black);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-9) var(--space-8);
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-8);
  align-items: center;
  position: relative;
  overflow: hidden;
}
.contact-panel::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(50% 80% at 100% 0%, rgba(229, 23, 61, 0.28), transparent 60%);
  pointer-events: none;
}
.contact-copy .eyebrow { color: var(--color-red); }
.contact-copy h2 { font-size: clamp(28px, 3.6vw, 40px); color: var(--color-on-black); }
.contact-copy p { color: var(--color-on-black-muted); margin-top: var(--space-4); max-width: 46ch; }
.contact-links { display: flex; flex-direction: column; gap: var(--space-4); position: relative; }
.contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-black-soft);
  border: 1px solid var(--color-on-black-border);
  border-radius: var(--radius-md);
  transition: border-color var(--dur-med) var(--ease-out);
}
.contact-link:hover { border-color: var(--color-red); }
.contact-link .icon-box {
  width: 40px; height: 40px;
  border-radius: var(--radius-sm);
  background: rgba(229,23,61,0.18);
  color: var(--color-red);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-link .lbl { font-size: 12px; color: var(--color-on-black-muted); }
.contact-link .val { font-size: 15px; font-weight: 500; word-break: break-word; color: var(--color-on-black); }

@media (max-width: 860px) {
  .contact-panel { grid-template-columns: 1fr; padding: var(--space-7) var(--space-5); }
}

/* ============ Footer ============ */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-7) 0;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-4);
}
.footer-links { display: flex; gap: var(--space-6); }
.footer-links a { font-size: 14px; color: var(--color-text-muted); }
.footer-links a:hover { color: var(--color-red); }
.footer-copy { font-size: 13px; color: var(--color-text-faint); }

/* ============ Project detail page ============ */
.project-hero {
  padding-top: calc(var(--space-8) + 70px);
}
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}
.back-link:hover { color: var(--color-red); }
.project-hero-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 21/9;
  margin-top: var(--space-6);
  border: 1px solid var(--color-border);
}
.project-hero-media img { width: 100%; height: 100%; object-fit: cover; }
.project-meta-row {
  display: flex;
  gap: var(--space-8);
  flex-wrap: wrap;
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.project-meta-row .m-label { font-size: 12px; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 4px; }
.project-meta-row .m-value { font-size: 15px; font-weight: 600; color: var(--color-red); }

.detail-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-9);
  padding-top: var(--space-8);
}
.detail-block { margin-bottom: var(--space-8); }
.detail-block:last-child { margin-bottom: 0; }
.detail-block h3 {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-red);
  margin-bottom: var(--space-4);
}
.detail-block p { color: var(--color-text-muted); font-size: 16px; }
.detail-block ul li {
  position: relative;
  padding-left: 22px;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
  font-size: 15.5px;
}
.detail-block ul li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 6px;
  background: var(--color-red);
  border-radius: 50%;
}
.detail-side { position: sticky; top: 100px; align-self: start; }

@media (max-width: 900px) {
  .detail-grid { grid-template-columns: 1fr; gap: var(--space-6); }
  .detail-side { position: static; }
}

.next-project {
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
  margin-top: var(--space-9);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.next-project .lbl { font-size: 13px; color: var(--color-text-faint); text-transform: uppercase; letter-spacing: 0.08em; }
.next-project .title { font-size: 22px; margin-top: 6px; }
.next-project a { display: flex; align-items: center; gap: var(--space-4); }
.next-project a:hover .title { color: var(--color-red); }