@import url('https://fonts.googleapis.com/css2?family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600&family=DM+Mono:wght@400;500&display=swap');

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { display: block; max-width: 100%; }
button { cursor: pointer; font-family: inherit; }

/* ── Base ── */
html { font-size: 16px; }
body {
  font-family: 'DM Sans', sans-serif;
  background: #fff;
  color: #111;
  -webkit-font-smoothing: antialiased;
}

/* ── Tokens ── */
:root {
  --yellow: #FFD100;
  --blue:   #1B2A8C;
  --green:  #00A651;
  --red:    #E8272A;
  --black:  #111111;
  --mono:   'DM Mono', monospace;
  --sans:   'DM Sans', sans-serif;
}

/* ─────────────────────────────────────────
   HEADER  (fixed, transparent → white on scroll)
   ───────────────────────────────────────── */

#site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  transition: background-color 0.2s, border-color 0.2s;
  background: transparent;
}
#site-header.scrolled,
#site-header.menu-open {
  background: #fff;
}
#site-header.scrolled {
  border-bottom: 3px solid var(--red);
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 2rem;
}

/* Logo */
.logo {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.5rem;
  font-variation-settings: 'opsz' 14;
  color: #fff;
  transition: color 0.2s;
}
.logo .dot { color: #fff; transition: color 0.2s; }
#site-header.scrolled .logo,
#site-header.menu-open .logo { color: #111; }
#site-header.scrolled .logo .dot,
#site-header.menu-open .logo .dot { color: var(--blue); }

/* Desktop nav — hidden on mobile */
.nav-desktop {
  display: none;
  gap: 3rem;
  align-items: center;
}
.nav-desktop a {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1.125rem;
  color: #fff;
  transition: color 0.2s;
}
.nav-desktop a:hover { color: var(--yellow); }
#site-header.scrolled .nav-desktop a { color: #111; }
#site-header.scrolled .nav-desktop a:hover { color: var(--blue); }

.nav-cta {
  background: var(--yellow);
  color: #111;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1rem;
  padding: 0.5rem 1.25rem;
  border-radius: 999px;
  border: none;
  transition: background 0.2s, color 0.2s;
}
.nav-cta:hover { background: #111; color: #fff; }

/* Hamburger — visible on mobile only */
.hamburger {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  padding: 4px;
  width: 2rem;
  align-items: center;
  justify-content: center;
}
.hamburger .bar {
  display: block;
  width: 100%;
  height: 2px;
  background: #fff;
  transition: background 0.2s;
}
#site-header.scrolled .hamburger .bar,
#site-header.menu-open .hamburger .bar { background: #111; }
.hamburger .close-x {
  font-size: 1.875rem;
  font-weight: 800;
  color: #111;
  line-height: 1;
}

/* Mobile menu dropdown */
#mobile-menu {
  position: fixed;
  top: 73px;
  left: 0;
  right: 0;
  z-index: 40;
  background: #fff;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition: max-height 0.3s ease, opacity 0.3s ease, border-bottom 0.3s;
  border-bottom: 0 solid var(--red);
}
#mobile-menu.open {
  max-height: 24rem;
  opacity: 1;
  border-bottom: 3px solid var(--red);
}
#mobile-menu nav {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.5rem 2rem;
}
#mobile-menu nav a {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1.125rem;
  color: #111;
  padding: 0.75rem 0;
  min-height: 42px;
  display: flex;
  align-items: center;
  transition: color 0.2s;
}
#mobile-menu nav a:hover { color: var(--blue); }
#mobile-menu .nav-cta {
  width: 100%;
  min-height: 42px;
  margin-top: 0.5rem;
  padding: 0.75rem 1.25rem;
  text-align: center;
}

/* ─────────────────────────────────────────
   HERO
   ───────────────────────────────────────── */

#hero {
  min-height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
/* mobile image shown, desktop hidden by default */
.hero-bg .hero-img-mobile { display: block; }
.hero-bg .hero-img-desktop { display: none; }
.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
}
.hero-fallback {
  width: 100%;
  height: 100%;
  background: var(--blue);
}

.hero-content {
  position: relative;
  z-index: 10;
  max-width: 1440px;
  margin: 0 auto;
  width: 100%;
  padding: 12rem 2rem 4rem; /* pt-48 on mobile */
}
.hero-heading { max-width: 48rem; margin-bottom: 2rem; }

.hero-name {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 3rem; /* text-[48px] mobile */
  line-height: 1.1;
  color: #fff;
  margin-bottom: 1rem;
  font-variation-settings: 'opsz' 14;
}
.hero-name .yn {
  color: var(--yellow);
  font-family: var(--mono);
  font-weight: 500;
}

.hero-tagline {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.75rem; /* text-[28px] mobile */
  line-height: 1.15;
  color: #fff;
  font-variation-settings: 'opsz' 14;
}
.hero-tagline .make {
  color: #00dd6c;
  font-family: var(--mono);
  font-weight: 500;
}
.hero-tagline .purpose {
  color: var(--yellow);
  font-family: var(--mono);
  font-weight: 500;
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  align-items: center;
}
.cta-primary {
  background: var(--yellow);
  color: #111;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 999px;
  transition: background 0.2s;
}
.cta-primary:hover { background: #fff; }
.cta-secondary {
  background: rgba(0,0,0,0.4);
  border: 3px solid var(--yellow);
  color: #fff;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 999px;
  transition: background 0.2s, color 0.2s;
}
.cta-secondary:hover { background: var(--yellow); color: #111; }

/* ─────────────────────────────────────────
   WORK SECTION
   ───────────────────────────────────────── */

#work { border-top: 3px solid var(--green); }
.work-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 3rem 2rem;
}
.work-header {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 3rem;
}
.work-title {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1.875rem; /* text-3xl */
  color: #111;
}
.filter-tags { display: flex; flex-wrap: wrap; gap: 1rem; }

.tag {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.25rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s;
  display: inline-block;
}
.t-all  { background: var(--red);    color: #fff; }
.t-all:hover  { background: #c02023; }
.t-case { background: var(--yellow); color: #111; }
.t-case:hover { background: #ffdb33; }
.t-exp  { background: var(--blue);   color: #fff; }
.t-exp:hover  { background: #162375; }
.t-made { background: var(--green);  color: #fff; }
.t-made:hover { background: #008f46; }

.divider { border: none; border-top: 1px solid #949494; }

/* Project rows — stack on mobile, side by side on desktop */
.proj-row {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  padding: 3rem 0;
}
.proj-meta {
  width: 100%;
  display: flex;
  flex-direction: column;
}
.proj-cat { margin-bottom: 1.5rem; }
.proj-title {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.875rem; /* text-3xl */
  color: #111;
  margin-bottom: 1rem;
  font-variation-settings: 'opsz' 14;
  line-height: 1.2;
}
.proj-desc {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1rem; /* text-base */
  color: #111;
  margin-bottom: 3rem;
  line-height: 1.65;
  flex: 1;
}
.proj-link {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1rem;
  color: #111;
  text-decoration: underline;
  transition: color 0.2s;
}
.proj-link:hover { color: var(--blue); }
.proj-img {
  width: 100%;
  height: 320px; /* h-80 on mobile */
  background: #d9d9d9;
  overflow: hidden;
}
.proj-img img { width: 100%; height: 100%; object-fit: cover; }

/* ─────────────────────────────────────────
   ABOUT SECTION
   ───────────────────────────────────────── */

#about { background: var(--blue); }
.about-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 3rem 2rem;
}
.about-title {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1.875rem; /* text-3xl */
  color: #fff;
  margin-bottom: 4rem; /* mb-16 */
}
.about-grid {
  display: flex;
  flex-direction: column;
  gap: 3rem; /* gap-12 */
}
.about-left { width: 100%; }
.about-heading-block { margin-bottom: 1.5rem; }
.about-line {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 2.25rem; /* text-4xl */
  line-height: 1.2;
  color: #fff;
  font-variation-settings: 'opsz' 14;
}
.about-line.chaos {
  font-family: var(--mono);
  font-weight: 500;
  color: var(--yellow);
}
.about-loc {
  display: inline-block;
  background: var(--red);
  color: #fff;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.25rem 1rem;
  border-radius: 999px;
}
.about-body {
  flex: 1;
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.125rem; /* text-lg */
  color: #fff;
  line-height: 1.65;
}
.about-body p + p { margin-top: 1.5rem; }

/* ─────────────────────────────────────────
   CONTACT SECTION
   ───────────────────────────────────────── */

#contact { border-top: 3px solid var(--red); }
.contact-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.contact-text { max-width: 42rem; }
.contact-heading {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1.875rem;
  color: #111;
  margin-bottom: 1.5rem;
}
.contact-heading .chat { color: var(--red); }
.contact-heading .dot  { color: var(--blue); }
.contact-desc {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.125rem;
  color: #111;
  line-height: 1.65;
  font-variation-settings: 'opsz' 14;
}
.btn-contact {
  display: inline-block;
  background: #111;
  color: #fff;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1rem;
  padding: 0.75rem 2rem;
  border-radius: 999px;
  border: none;
  flex-shrink: 0;
  align-self: flex-start;
  transition: background 0.2s, color 0.2s;
}
.btn-contact:hover { background: var(--yellow); color: #111; }

/* ─────────────────────────────────────────
   FOOTER
   ───────────────────────────────────────── */

footer { background: #111; color: #fff; }
.footer-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.footer-logo {
  font-family: var(--sans);
  font-weight: 600;
  font-size: 1.25rem;
  font-variation-settings: 'opsz' 14;
}
.footer-logo .dot { color: var(--yellow); }
.footer-links { display: flex; flex-wrap: wrap; gap: 2rem; align-items: center; }
.footer-links a {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1rem;
  color: #fff;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--yellow); }
.footer-copy {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.875rem;
  color: #9ca3af; /* gray-400 */
}

/* ─────────────────────────────────────────
   PROJECT DETAIL PAGE
   ───────────────────────────────────────── */

.page-wrap { padding-top: 73px; }

/* Solid header for inner pages */
#site-header.solid {
  background: #fff;
  border-bottom: 3px solid var(--red);
}
#site-header.solid .logo { color: #111; }
#site-header.solid .logo .dot { color: var(--blue); }
#site-header.solid .nav-desktop a { color: #111; }
#site-header.solid .nav-desktop a:hover { color: var(--blue); }
#site-header.solid .hamburger .bar { background: #111; }

.breadcrumb {
  font-family: var(--mono);
  font-size: 0.875rem;
  color: #6b7280;
  padding: 1.5rem 0;
  max-width: 1440px;
  margin: 0 auto;
  padding-left: 2rem;
  padding-right: 2rem;
}
.breadcrumb a { color: #6b7280; transition: color 0.2s; }
.breadcrumb a:hover { color: #111; }

.proj-hero { padding: 2rem 2rem 3rem; max-width: 1440px; margin: 0 auto; }
.proj-cat-badge {
  display: inline-block;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.875rem;
  padding: 0.25rem 1rem;
  border-radius: 999px;
  margin-bottom: 1.5rem;
}
.proj-h1 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  line-height: 1.05;
  color: #111;
  margin-bottom: 1.5rem;
  max-width: 56rem;
  font-variation-settings: 'opsz' 14;
}
.proj-intro {
  font-family: var(--sans);
  font-weight: 500;
  font-size: clamp(1.125rem, 2vw, 1.5rem);
  line-height: 1.7;
  color: #111;
  max-width: 48rem;
  margin-bottom: 3rem;
  font-variation-settings: 'opsz' 14;
}
.proj-hero-img {
  width: 100%;
  aspect-ratio: 16/9;
  background: #d9d9d9;
  overflow: hidden;
}
.proj-hero-img img { width: 100%; height: 100%; object-fit: cover; }

.meta-strip { border-top: 1px solid #e5e7eb; border-bottom: 1px solid #e5e7eb; }
.meta-strip-inner { max-width: 1440px; margin: 0 auto; padding: 2rem; }
.meta-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.meta-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b7280;
  margin-bottom: 0.5rem;
}
.meta-value {
  font-family: var(--sans);
  font-weight: 500;
  font-size: 1.125rem;
  color: #111;
  font-variation-settings: 'opsz' 14;
}

.body-wrap { max-width: 1440px; margin: 0 auto; padding: 4rem 2rem 6rem; }
.body-section { max-width: 45rem; margin-bottom: 5rem; }
.section-label {
  font-family: var(--mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #6b7280;
  margin-bottom: 1rem;
}
.section-h2 {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.75rem, 3vw, 2.25rem);
  color: #111;
  margin-bottom: 1.5rem;
  line-height: 1.15;
  font-variation-settings: 'opsz' 14;
}
.section-body {
  font-family: var(--sans);
  font-size: 1.125rem;
  color: #111;
  line-height: 1.8;
  font-variation-settings: 'opsz' 14;
}
.section-body p + p { margin-top: 1rem; }

.pullquote {
  border-left: 4px solid var(--yellow);
  padding: 1rem 2rem;
  margin-bottom: 5rem;
  max-width: 56rem;
}
.pullquote p {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.25rem, 2.5vw, 1.75rem);
  color: #111;
  line-height: 1.4;
  font-variation-settings: 'opsz' 14;
}

.img-block { margin-bottom: 5rem; }
.img-placeholder { width: 100%; aspect-ratio: 16/9; }
.img-block img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
.img-caption {
  font-family: var(--mono);
  font-size: 0.875rem;
  color: #6b7280;
  margin-top: 0.75rem;
}

.highlight-block {
  background: #f9f8f3;
  margin: 0 -2rem 5rem;
  padding: 3rem 2rem;
}
.highlight-block .inner { max-width: 45rem; }
.highlight-list { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.5rem; }
.highlight-list li {
  border-left: 4px solid var(--yellow);
  padding-left: 1.5rem;
  font-family: var(--sans);
  font-size: 1.125rem;
  color: #111;
  line-height: 1.6;
  font-variation-settings: 'opsz' 14;
}

.next-project { border-top: 2px solid #111; }
.next-inner {
  max-width: 1440px;
  margin: 0 auto;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.next-label { font-family: var(--mono); font-size: 0.875rem; color: #6b7280; }
.next-title {
  font-family: var(--sans);
  font-weight: 600;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: #111;
  font-variation-settings: 'opsz' 14;
}
.next-link {
  font-family: var(--mono);
  font-weight: 500;
  font-size: 1rem;
  color: #111;
  text-decoration: underline;
  align-self: flex-start;
  transition: color 0.2s;
}
.next-link:hover { color: var(--blue); }

/* ─────────────────────────────────────────
   RESPONSIVE  (md = 768px, lg = 1024px)
   ───────────────────────────────────────── */

@media (min-width: 768px) {
  /* Header: show desktop nav, hide hamburger */
  .nav-desktop { display: flex; }
  .hamburger { display: none; }

  /* Hero: push content down more */
  .hero-content { padding-top: 14rem; } /* pt-56 */

  /* Work header: side by side */
  .work-header { flex-direction: row; align-items: center; }

  /* Project detail meta: 4 columns */
  .meta-grid { grid-template-columns: repeat(4, 1fr); gap: 0; }
  .meta-item { padding: 0 2rem; border-right: 1px solid #e5e7eb; }
  .meta-item:first-child { padding-left: 0; }
  .meta-item:last-child { border-right: none; }

  /* Highlight block: full bleed */
  .highlight-block { margin: 0 -4rem 5rem; padding: 3rem 4rem; }

  /* Next project: side by side */
  .next-inner { flex-direction: row; align-items: center; justify-content: space-between; }
}

@media (min-width: 1024px) {
  /* Wider padding on large screens */
  .header-inner,
  .work-inner,
  .about-inner,
  .contact-inner,
  .footer-inner,
  .breadcrumb,
  .proj-hero,
  .meta-strip-inner,
  .body-wrap,
  .next-inner {
    padding-left: 4rem;
    padding-right: 4rem;
  }

  /* Hero: switch to desktop image, centre vertically */
  #hero { justify-content: center; }
  .hero-bg .hero-img-mobile { display: none; }
  .hero-bg .hero-img-desktop { display: block; }
  .hero-content { padding-top: 6rem; padding-bottom: 6rem; }
  .hero-name { font-size: 6.25rem; margin-bottom: 1.5rem; } /* text-[100px] */
  .hero-tagline { font-size: 5rem; } /* text-[80px] */
  .hero-ctas { gap: 1.5rem; }

  /* Work section */
  .work-title { font-size: 2.25rem; } /* text-4xl */

  /* Project rows: side by side */
  .proj-row { flex-direction: row; align-items: stretch; }
  .proj-row.flip { flex-direction: row-reverse; }
  .proj-meta { width: 550px; flex-shrink: 0; }
  .proj-img { flex: 1; height: auto; min-height: 320px; }
  .proj-title { font-size: 2.25rem; } /* text-4xl */
  .proj-desc { font-size: 1.125rem; } /* text-lg */

  /* About */
  .about-inner { padding-top: 4rem; padding-bottom: 4rem; }
  .about-title { font-size: 2.25rem; margin-bottom: 5rem; } /* text-4xl, mb-20 */
  .about-grid { flex-direction: row; gap: 4rem; align-items: flex-start; }
  .about-left { width: auto; max-width: 28rem; flex-shrink: 0; }
  .about-line { font-size: 3rem; } /* text-5xl */
  .about-body { font-size: 1.25rem; } /* text-xl */

  /* Contact */
  .contact-inner { flex-direction: row; align-items: center; justify-content: space-between; padding-top: 4rem; padding-bottom: 4rem; }
  .contact-heading { font-size: 2.25rem; }
  .contact-desc { font-size: 1.25rem; }

  /* Footer */
  .footer-inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .footer-copy { font-size: 1rem; }

  /* Highlight block wider bleed */
  .highlight-block { margin: 0 -4rem 5rem; padding: 3rem 4rem; }
}