:root {
  --cream: #f6f1e7;
  --paper: #fffaf1;
  --ink: #1d1b2f;
  --muted: #5d5a6e;
  --accent: #2e9e5b;
  --sun: #f2b544;
  --teal: #2f7d7a;
  --line: rgba(29, 27, 47, 0.12);
  --radius: 18px;
  --serif: "Fraunces", Georgia, serif;
  --sans: "Inter", system-ui, -apple-system, sans-serif;
  --max: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--cream);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

h1,
h2,
h3 {
  font-family: var(--serif);
  font-weight: 600;
  line-height: 1.1;
  margin: 0 0 0.5em;
}

h1 em,
h2 em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

.eyebrow {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
  margin: 0 0 1.2rem;
}

/* Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem clamp(1.25rem, 4vw, 3rem);
  background: rgba(246, 241, 231, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.nav__logo {
  font-family: var(--serif);
  font-size: 1.6rem;
  font-weight: 600;
  text-decoration: none;
}

.nav__logo span {
  color: var(--accent);
}

.nav__links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav__links a {
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.nav__links a:not(.nav__cta):hover {
  color: var(--accent);
}

.nav__cta {
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--cream) !important;
}

.nav__toggle {
  display: none;
  background: none;
  border: 0;
  width: 36px;
  height: 36px;
  cursor: pointer;
  position: relative;
}

.nav__toggle span {
  position: absolute;
  left: 6px;
  right: 6px;
  height: 2px;
  background: var(--ink);
  transition: transform 0.25s ease;
}

.nav__toggle span:first-child { top: 13px; }
.nav__toggle span:last-child { top: 21px; }

.nav.is-open .nav__toggle span:first-child { transform: translateY(4px) rotate(45deg); }
.nav.is-open .nav__toggle span:last-child { transform: translateY(-4px) rotate(-45deg); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn--primary {
  background: var(--accent);
  color: #fff;
}

.btn--ghost {
  border: 1.5px solid var(--ink);
}

.btn--ghost:hover {
  background: var(--ink);
  color: var(--cream);
}

/* Hero */
.hero {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.25rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero h1 {
  font-size: clamp(2.6rem, 5.5vw, 4.4rem);
  letter-spacing: -0.02em;
}

.hero__lede {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 34rem;
}

.hero__actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.hero__art {
  position: relative;
  aspect-ratio: 1;
  border-radius: 32px;
  overflow: hidden;
  background: linear-gradient(180deg, #fde6c4 0%, #f9d2b4 100%);
  box-shadow: 0 30px 60px -30px rgba(29, 27, 47, 0.35);
}

.hero__svg {
  width: 100%;
  height: 100%;
  display: block;
}

.sun { fill: var(--sun); }
.hill--back { fill: var(--teal); opacity: 0.55; }
.hill--front { fill: var(--teal); }
.bridge { fill: var(--ink); stroke: var(--ink); }

.sticker {
  position: absolute;
  background: var(--paper);
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  box-shadow: 0 8px 20px -8px rgba(29, 27, 47, 0.3);
  animation: float 6s ease-in-out infinite;
}

.sticker--one { top: 8%; left: 6%; transform: rotate(-6deg); }
.sticker--two { bottom: 6%; right: 6%; background: var(--ink); color: var(--cream); animation-delay: -3s; }

@keyframes float {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -8px; }
}

/* Marquee */
.marquee {
  background: var(--ink);
  color: var(--cream);
  overflow: hidden;
  padding: 1rem 0;
}

.marquee__track {
  display: flex;
  gap: 2rem;
  width: max-content;
  animation: scroll 30s linear infinite;
  font-family: var(--serif);
  font-size: 1.4rem;
  font-style: italic;
}

.marquee__track span:nth-child(even) {
  color: var(--sun);
  font-style: normal;
}

@keyframes scroll {
  to { transform: translateX(-50%); }
}

/* Sections */
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(4rem, 9vw, 7rem) clamp(1.25rem, 4vw, 3rem);
}

.section h2 {
  font-size: clamp(2rem, 4vw, 3rem);
}

.section__head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.section__head h2 {
  margin: 0;
}

/* Filters */
.filters {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter {
  font: inherit;
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: 1.5px solid var(--line);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter:hover {
  border-color: var(--ink);
}

.filter.is-active {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--cream);
}

/* Project grid */
.grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.card {
  background: var(--paper);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  cursor: pointer;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 24px 40px -24px rgba(29, 27, 47, 0.35);
}

.card.is-hidden {
  display: none;
}

.card__media {
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
}

.card__media svg {
  width: 70%;
  height: auto;
  transition: transform 0.4s ease;
}

.card:hover .card__media svg {
  transform: scale(1.06) rotate(-1deg);
}

.card--feature {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.card--feature .card__body {
  align-self: center;
  padding: 2.5rem;
}

.card--feature h3 {
  font-size: 2rem;
}

.card--feature .card__media:not(.card__media--photo) {
  aspect-ratio: auto;
  min-height: 300px;
}

.card__media--photo {
  aspect-ratio: auto;
  height: 100%;
  max-height: 520px;
  overflow: hidden;
}

.card__media--photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.card:hover .card__media--photo img {
  transform: scale(1.04);
}

.card__media--cup { background: #cfe3df; }
.card__media--light { background: #2b2945; }
.card__media--app { background: #f9d2b4; }
.card__media--research { background: #e8dff5; }
.card__media--hydro { background: #d6ead2; }

.fill-cream { fill: var(--paper); }
.fill-ink { fill: var(--ink); }
.fill-accent { fill: var(--accent); }
.fill-sun { fill: var(--sun); }
.stroke-ink { stroke: var(--ink); stroke-width: 2; }
.fill-water { fill: var(--teal); }
.stroke-water { stroke: var(--teal); stroke-width: 3; stroke-linecap: round; }

.card__body {
  padding: 1.5rem 1.75rem 1.75rem;
}

.card__meta {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin: 0 0 0.5rem;
}

.card h3 {
  font-size: 1.45rem;
}

.card p {
  color: var(--muted);
  margin: 0 0 1rem;
}

.tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.tags li {
  font-size: 0.78rem;
  font-weight: 500;
  padding: 0.25rem 0.7rem;
  border-radius: 999px;
  background: var(--cream);
}

/* About */
.about {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 4rem;
  align-items: start;
}

.portrait {
  aspect-ratio: 4 / 5;
  border-radius: 200px 200px var(--radius) var(--radius);
  background:
    radial-gradient(circle at 30% 30%, var(--sun) 0 18%, transparent 19%),
    linear-gradient(160deg, var(--accent), #1f6e40);
  display: grid;
  place-items: center;
  position: sticky;
  top: 110px;
}

.portrait span {
  font-family: var(--serif);
  font-size: clamp(6rem, 14vw, 10rem);
  font-style: italic;
  color: var(--paper);
}

.about__text p {
  font-size: 1.1rem;
  color: var(--muted);
}

.skills {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--line);
}

.skills h4 {
  margin: 0 0 0.75rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
}

.skills ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.35rem;
}

/* Process */
.process {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.process li {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: var(--paper);
  border: 1px solid var(--line);
}

.process li:nth-child(1) { border-top: 5px solid var(--accent); }
.process li:nth-child(2) { border-top: 5px solid var(--sun); }
.process li:nth-child(3) { border-top: 5px solid var(--teal); }
.process li:nth-child(4) { border-top: 5px solid var(--ink); }

.process__num {
  font-family: var(--serif);
  font-size: 2.4rem;
  font-style: italic;
  color: var(--line);
  -webkit-text-stroke: 1px var(--ink);
}

.process h3 {
  font-size: 1.35rem;
  margin-top: 0.5rem;
}

.process p {
  color: var(--muted);
  margin: 0;
}

/* Contact */
.contact__inner {
  background: var(--ink);
  color: var(--cream);
  border-radius: 32px;
  padding: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 5vw, 4rem);
  text-align: center;
}

.contact .eyebrow {
  color: var(--sun);
}

.contact h2 {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
}

.contact__email {
  display: inline-block;
  font-family: var(--serif);
  font-size: clamp(1.3rem, 3vw, 2rem);
  text-decoration: none;
  border-bottom: 2px solid var(--accent);
  margin: 1rem 0 2.5rem;
  transition: color 0.2s ease;
}

.contact__email:hover {
  color: var(--sun);
}

.socials {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.socials a {
  padding: 0.6rem 1.2rem;
  border: 1px solid rgba(246, 241, 231, 0.3);
  border-radius: 999px;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.socials a:hover {
  background: var(--cream);
  color: var(--ink);
}

/* Footer */
.footer {
  max-width: var(--max);
  margin: 0 auto;
  padding: 2rem clamp(1.25rem, 4vw, 3rem) 3rem;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.footer p {
  margin: 0;
}

.footer a {
  text-decoration: none;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* Responsive */
@media (max-width: 900px) {
  .hero,
  .about {
    grid-template-columns: 1fr;
  }

  .hero__art {
    max-width: 480px;
  }

  .about__portrait {
    max-width: 320px;
  }

  .portrait {
    position: static;
  }

  .process {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .nav__toggle {
    display: block;
  }

  .nav__links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
    padding: 1.5rem clamp(1.25rem, 4vw, 3rem) 2rem;
    background: var(--cream);
    border-bottom: 1px solid var(--line);
    display: none;
  }

  .nav.is-open .nav__links {
    display: flex;
  }

  .grid,
  .process,
  .skills,
  .card--feature {
    grid-template-columns: 1fr;
  }

  .card__media--photo {
    aspect-ratio: 4 / 5;
    max-height: 420px;
  }

  .card--feature .card__body {
    padding: 1.5rem 1.75rem 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}