/* ===================================================
   SWISS INTERNATIONAL TYPOGRAPHIC STYLE
   Gestural Art — style.css
   =================================================== */

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --red: #d4271c;
  --black: #0d0d0d;
  --dark: #1a1a1a;
  --mid: #5a5a5a;
  --light: #b0b0b0;
  --off-white: #f4f2ee;
  --white: #ffffff;

  --grid: 8px;
  --gap: calc(var(--grid) * 3);
  /* 24px */
  --col: calc(var(--grid) * 10);
  /* 80px */

  --font: 'Helvetica Neue', Helvetica, Arial, sans-serif;

  --ease: cubic-bezier(.16, 1, .3, 1);
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--off-white);
  color: var(--black);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ===================================================
   HEADER
   =================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--off-white);
  border-bottom: 1px solid var(--black);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 calc(var(--grid) * 4);
  height: calc(var(--grid) * 8);
  /* 64px */
  max-width: 1600px;
  margin: 0 auto;
}

.wordmark {
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--black);
}

.nav {
  display: flex;
  gap: calc(var(--grid) * 5);
}

.nav a {
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mid);
  transition: color 0.2s;
}

.nav a:hover {
  color: var(--red);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: all 0.3s var(--ease);
  transform-origin: center;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.header-locale {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--red);
  text-transform: uppercase;
}

/* ===================================================
   HERO
   =================================================== */
.hero {
  min-height: 100svh;
  padding-top: calc(var(--grid) * 8);
  /* clear header */
  display: grid;
  grid-template-columns: 1fr calc(var(--grid) * 4);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: calc(var(--grid) * 10) calc(var(--grid) * 4) calc(var(--grid) * 10);
  max-width: 1600px;
  width: 100%;
}

.hero-label {
  font-size: 0.6875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: calc(var(--grid) * 4);
}

.hero-title {
  font-size: clamp(3rem, 8vw, 8rem);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.02em;
  color: var(--black);
  max-width: 14ch;
  margin-bottom: calc(var(--grid) * 4);
}

.hero-sub {
  font-size: 1rem;
  font-weight: 400;
  color: var(--mid);
  max-width: 48ch;
  margin-bottom: calc(var(--grid) * 6);
  line-height: 1.65;
}

.btn {
  display: inline-block;
  padding: calc(var(--grid) * 1.5) calc(var(--grid) * 3);
  background: var(--black);
  color: var(--white);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border: 1px solid var(--black);
  transition: background 0.2s, color 0.2s;
  align-self: flex-start;
}

.btn:hover {
  background: var(--red);
  border-color: var(--red);
}

.hero-accent {
  background: var(--red);
  width: calc(var(--grid) * 4);
}

/* ===================================================
   SECTION COMMON
   =================================================== */
.section-header {
  display: flex;
  align-items: baseline;
  gap: calc(var(--grid) * 2);
  border-top: 2px solid var(--black);
  padding-top: calc(var(--grid) * 2);
  margin-bottom: calc(var(--grid) * 6);
}

.section-index {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--red);
}

.section-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--black);
}

/* ===================================================
   WORKS
   =================================================== */
.works {
  padding: calc(var(--grid) * 12) calc(var(--grid) * 4);
  max-width: 1600px;
  margin: 0 auto;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--grid) * 1);
  /* tight 8px gap — Swiss grid precision */
}

.contact-page {
  padding: calc(var(--grid) * 16) calc(var(--grid) * 4);
  max-width: 900px;
  margin: 0 auto;
}

.contact-form-card {
  padding: calc(var(--grid) * 5);
  background: var(--white);
  border: 1px solid #e4e2dc;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.contact-intro {
  margin-bottom: calc(var(--grid) * 4);
  color: var(--mid);
  line-height: 1.75;
}

.contact-form {
  display: grid;
  gap: calc(var(--grid) * 2);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: calc(var(--grid) * 0.75);
}

.form-group label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--black);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: calc(var(--grid) * 1.25);
  border: 1px solid #ddd;
  background: #faf8f4;
  font-family: var(--font);
  color: var(--black);
  font-size: 0.9375rem;
  border-radius: 4px;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--black);
}

.work-card {
  display: flex;
  flex-direction: column;
  overflow: hidden;
  padding: calc(var(--grid) * 1);
  border-radius: var(--grid)px;
}

.work-thumb {
  width: 100%;
  aspect-ratio: auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 1px rgb(137, 137, 137);

  transition: transform 0.5s var(--ease), filter 0.4s;
  filter: saturate(0.9);
  overflow: hidden;
}

.work-red-dot {
  position: absolute;
  top: calc(var(--grid) * 2);
  right: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 1.5px solid var(--red);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}

.work-red-dot::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--red);
}

.work-thumb img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
  transform-origin: center;
}

.work-card:hover .work-thumb {
  filter: saturate(1);
}

.work-meta {
  padding: calc(var(--grid) * 2) 0 calc(var(--grid) * 3);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: calc(var(--grid) * 0.5);
}

.work-meta-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: calc(var(--grid) * 1);
}

.work-offer-link,
.work-fullsize-link {
  font-size: 0.6875rem;
  color: var(--mid);
  text-decoration: underline;
}

.work-offer-link {
  white-space: nowrap;
}

.work-title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--black);
  line-height: 1.2;
  flex: 1 1 auto;
  margin-right: calc(var(--grid) * 1);
}

.work-medium {
  font-size: 0.6875rem;
  color: var(--mid);
  letter-spacing: 0.02em;
}

/* ===================================================
   RULE DIVIDER
   =================================================== */
.rule-section {
  display: flex;
  align-items: center;
  gap: calc(var(--grid) * 3);
  padding: 0 calc(var(--grid) * 4) calc(var(--grid) * 12);
  max-width: 1600px;
  margin: 0 auto;
}

.rule-line {
  flex: 1;
  height: 1px;
  background: var(--black);
}

.rule-text {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid);
  white-space: nowrap;
}

/* ===================================================
   ABOUT
   =================================================== */
.about {
  padding: 0 calc(var(--grid) * 4) calc(var(--grid) * 16);
  max-width: 1600px;
  margin: 0 auto;
}

.about-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: calc(var(--grid) * 10);
}

.portrait-placeholder {
  width: 100%;
  aspect-ratio: 3 / 4;
  background: var(--dark);
  object-fit: cover;
  display: block;
}

.portrait-caption {
  margin-top: calc(var(--grid) * 1);
  font-size: 0.625rem;
  letter-spacing: 0.1em;
  color: var(--mid);
  text-transform: uppercase;
}

.about-lead {
  font-size: clamp(1.4rem, 2.5vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  margin-bottom: calc(var(--grid) * 4);
  color: var(--black);
}

.about-text p {
  font-size: 0.9375rem;
  color: var(--mid);
  line-height: 1.7;
  margin-bottom: calc(var(--grid) * 2);

}

.cv-heading {
  margin-top: calc(var(--grid) * 5);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--black);
}

.cv-list {
  list-style: none;
  margin-bottom: calc(var(--grid) * 1.5);
  border-top: 1px solid var(--black);
}

.cv-list li {
  display: flex;
  align-items: baseline;
  gap: calc(var(--grid) * 2);
  padding: calc(var(--grid) * 1.5) 0;
  border-bottom: 1px solid #ddd;
  font-size: 0.8125rem;
  color: var(--mid);
}

.cv-year {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--red);
  min-width: 2.5rem;
}

/* ===================================================
   CONTACT / FOOTER
   =================================================== */
.contact {
  background: var(--black);
  color: var(--white);
}

.contact-inner {
  padding: calc(var(--grid) * 10) calc(var(--grid) * 4) calc(var(--grid) * 6);
  max-width: 1600px;
  margin: 0 auto;
}

.contact .section-header {
  border-color: #333;
}

.contact .section-title {
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: calc(var(--grid) * 4);
  margin-bottom: calc(var(--grid) * 12);
}

.contact-label {
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--light);
  margin-bottom: calc(var(--grid) * 1);
}

.contact-link {
  font-size: 0.9375rem;
  color: var(--white);
  border-bottom: 1px solid #333;
  padding-bottom: 2px;
  transition: border-color 0.2s, color 0.2s;
}

.contact-link:hover {
  color: var(--red);
  border-color: var(--red);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: calc(var(--grid) * 3);
  border-top: 1px solid #222;
  font-size: 0.625rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #444;
}

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 900px) {
  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .contact-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .works-grid {
    grid-template-columns: 1fr;
  }

  .hero-title {
    font-size: clamp(2.5rem, 11vw, 4rem);
  }

  .nav {
    gap: calc(var(--grid) * 3);
  }

  .header-inner {
    position: relative;
  }

  .menu-toggle {
    display: flex;
    order: 2;
  }

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--off-white);
    border-bottom: 1px solid var(--black);
    flex-direction: column;
    gap: 0;
    padding: calc(var(--grid) * 2) calc(var(--grid) * 4);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s var(--ease);
  }

  .nav a {
    padding: calc(var(--grid) * 2) 0;
    border-bottom: 1px solid var(--light);
  }

  .nav a:last-child {
    border-bottom: none;
  }

  .nav.is-open {
    max-height: 300px;
  }

  .wordmark {
    flex: 1;
  }
}