/* ============================================================
   solscale studio
   styles.css

   Built to the spec in "website 2.0: THE PROMPT".
   Four sizes. One accent. No decoration.

   Type roles      Display / Identity / Lead / Body / Interface
   Colour          Off-white, Black, Grey, Divider
   Explicitly out  gradients, second accent, icons, animated
                   gimmicks, marketing blocks, complex UI
   ============================================================ */

:root {
  --warm-white: #f5f4f0;
  --ink:        #111111;
  --stone:      #666666;
  --divider:    #deddd8;
  --ikb:        #111111;

  /* your original token names, mapped to the spec palette */
  --paper: var(--warm-white);
  --muted: var(--stone);
  --line:  var(--divider);

  --grotesk: "Libre Franklin", Arial, sans-serif;

  --container: min(100% - 4.2rem, 1180px);
}

@font-face {
  font-family: "Libre Franklin";
  src: url("fonts/libre-franklin-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Switzer";
  src: url("gallery-workspace/fonts/Switzer-Variable.woff2") format("woff2");
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
}

@font-face {
  font-family: "Libre Franklin";
  src: url("fonts/libre-franklin-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: block;
}

.font-loader {
  display: none;
  color: var(--ink);
  font: 500 18px/1 "Libre Franklin", Arial, sans-serif;
}
html.font-loading body > :not(.font-loader) { visibility: hidden; }
html.font-loading .font-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  visibility: visible;
  background: var(--warm-white);
}
.font-loader-dots {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: 27px;
  height: 18px;
}
.font-loader-dots span {
  display: block;
  width: 5px;
  height: 5px;
  flex: none;
  border-radius: 50%;
  background: currentColor;
  opacity: 0;
  animation-duration: 1.5s;
  animation-timing-function: steps(1, end);
  animation-iteration-count: infinite;
}
.font-loader-dots span:nth-child(1) { opacity: 1; }
.font-loader-dots span:nth-child(2) { animation-name: font-dot-two; }
.font-loader-dots span:nth-child(3) { animation-name: font-dot-three; }
@keyframes font-dot-two {
  0%, 33.333% { opacity: 0; }
  33.334%, 100% { opacity: 1; }
}
@keyframes font-dot-three {
  0%, 66.666% { opacity: 0; }
  66.667%, 100% { opacity: 1; }
}
@media (prefers-reduced-motion: reduce) {
  .font-loader-dots span { animation: none !important; opacity: 1; }
}
html.font-fallback body,
html.font-fallback body * { font-family: Arial, sans-serif !important; }

* { box-sizing: border-box; }

html {
  min-height: 100%;
  color-scheme: light;
}

body {
  min-height: 100svh;
  margin: 0;
  display: flex;
  flex-direction: column;
  background: var(--warm-white);
  color: var(--ink);
  font-family: var(--grotesk);

  /* BODY: 16 / 1.75 / 400 */
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
}

::selection { background: var(--ikb); color: #fff; }

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

/* ------------------------------------------------------------
   HEADER — three zones. identity strongest, nav secondary.
   stays visible while scrolling.
   ------------------------------------------------------------ */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: var(--container);
  margin: 0 auto;
  padding: 1.6rem 0;
  background: var(--warm-white);
  border-bottom: 1px solid transparent;
}

/* IDENTITY: 15 / .18em / 700 — the one exception to the four sizes */
.wordmark {
  font-family: "Switzer", "Libre Franklin", Arial, sans-serif;
  font-size: 15px;
  letter-spacing: -0.03em;
  font-weight: 700;
  text-transform: none;
  line-height: 1;
  white-space: nowrap;
  color: var(--ink);
}

/* INTERFACE: 13 / .14em / 500 */
.site-header nav { display: flex; gap: 2.2rem; }

.site-header nav a,
.site-footer,
.page-kicker,
.project-description,
.login-form label,
.login-message,
.sign-out,
.gallery-space-bar {
  font-size: 13px;
  letter-spacing: 0.10em;
  font-weight: 500;
  text-transform: uppercase;
  line-height: 1.4;
}

.site-header nav a { color: var(--ink); }
.site-header nav a:hover { color: var(--ikb); }

/* ------------------------------------------------------------
   HOME — hero only. nothing else.
   ------------------------------------------------------------ */

.home-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  width: var(--container);
  margin: 0 auto;
  padding: clamp(3rem, 12vh, 9rem) 0 clamp(4rem, 14vh, 10rem);
}

.home-project-link {
  position: relative;
  display: block;
  width: clamp(12rem, 34vw, 24rem);
  color: var(--ikb);
  filter: none;
  transition: transform 0.3s ease, filter 0.3s ease;
}

.home-project-link svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.home-project-link path {
  fill: none;
  stroke: currentColor;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.home-project-link:hover {
  color: var(--ikb);
  transform: translateX(5px);
  filter: none;
}

/* DISPLAY: clamp(3.8rem, 9vw, 8rem) / .9 / -.04em / 700 / uppercase
   one element per page, and this is it. */
.home-main h1,
.page-title {
  margin: 0;
  font-size: clamp(3.8rem, 9vw, 8rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
  font-weight: 700;
  text-transform: uppercase;
}

/* ------------------------------------------------------------
   INNER PAGES
   ------------------------------------------------------------ */

.page-main {
  flex: 1;
  width: var(--container);
  margin: 0 auto;
  padding: clamp(2.5rem, 9vh, 6rem) 0 clamp(3rem, 10vh, 7rem);
}

.page-title { margin-bottom: clamp(2.5rem, 7vh, 4.5rem); }

.page-kicker {
  margin: 0 0 1.4rem;
  color: var(--stone);
}

/* LEAD: 20 / 1.45 / -.01em — deck text under a headline */
.contact-copy {
  max-width: 34rem;
  margin: 0;
  font-size: 20px;
  line-height: 1.45;
  letter-spacing: -0.01em;
  font-weight: 400;
  color: var(--stone);
}

.contact-links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.8rem;
  margin-top: 2.25rem;
}

.contact-email,
.contact-phone {
  display: inline-block;
  padding-bottom: 0.15rem;
  border-bottom: 1px solid var(--ink);
  font-size: 20px;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.contact-email:hover,
.contact-phone:hover { color: var(--ikb); border-bottom-color: var(--ikb); }

/* ------------------------------------------------------------
   PROJECTS — a plain index. two flat blocks, one accent.
   ------------------------------------------------------------ */

.project-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 300px));
  gap: 1.5rem;
}

.project { display: flex; flex-direction: column; }

.project-image {
  display: block;
  aspect-ratio: 1;
  margin-bottom: 1.1rem;
}

/* Project colours */
.gallery-image { background: #002FA7; }
.stealth-image { background: var(--ink); }

/* project titles sit at BODY size — an index, not a set of headlines */
.project-name {
  font-size: 16px;
  line-height: 1.4;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

.project-description {
  margin-top: 0.4rem;
  color: var(--stone);
  letter-spacing: 0;
  text-transform: none;
}

.project:hover .project-name { color: var(--ikb); }

.project-unavailable { cursor: default; }
.project-unavailable .project-name { color: var(--stone); }

/* ------------------------------------------------------------
   LOG IN
   ------------------------------------------------------------ */

.login-main {
  flex: 1;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  justify-items: center;
  align-items: start;
  width: 100%;
  min-height: 100svh;
  padding: clamp(2.5rem, 6vh, 5rem) 1.5rem 1.5rem;
}

.login-page { background: var(--warm-white); font-family: "Switzer", "Libre Franklin", Arial, sans-serif; }

.site-header.login-header {
  justify-content: center;
  width: 100%;
  margin: 0;
  padding: 0;
  border: 0;
}
.login-header nav { position: absolute; right: 0; }
.login-header nav a { letter-spacing: 0; text-transform: none; }
.login-header nav a[aria-current="page"] { color: #ed5622; font-weight: 700; }
.login-header .nav-toggle { position: absolute; top: 50%; right: 0; transform: translateY(-50%); }
@media (min-width: 641px) { .login-header nav a { font-size: 1rem; } }

.login-brand-label {
  display: block;
  color: var(--ink);
  font-size: clamp(2.7rem, 6vw, 6rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.055em;
  text-align: center;
  white-space: nowrap;
}
.login-brand-label:focus-visible { outline: 2px solid var(--ink); outline-offset: 8px; }

.login-content {
  align-self: center;
  width: min(100%, 430px);
  padding-block: 3rem;
}
.login-content h1 { margin: 0; font-size: clamp(1.8rem, 4vw, 2.1rem); font-weight: 600; letter-spacing: -.045em; line-height: 1.15; text-transform: none; }
.login-subtitle { margin: .4rem 0 2rem; color: var(--stone); font-size: 15px; line-height: 1.45; }

.login-form { display: grid; gap: 1.1rem; }
.login-field { display: grid; gap: 0.45rem; }
.login-form label { color: var(--ink); font-size: 13px; font-weight: 500; letter-spacing: 0; line-height: 1.3; text-transform: none; }

.login-form input {
  width: 100%;
  min-height: 3.25rem;
  padding: 0.7rem 0.9rem;
  border: 1px solid #a7a59f;
  border-radius: 6px;
  background: #fff;
  color: var(--ink);
  font-family: inherit;
  font-size: 15px;
  appearance: none;
}

.login-form input::placeholder { color: #97958f; }
.login-form input:-webkit-autofill {
  -webkit-box-shadow: 0 0 0 1000px #fff inset;
  -webkit-text-fill-color: var(--ink);
}

.login-form button[type="submit"] {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  min-height: 3.25rem;
  margin-top: 0.25rem;
  padding: 0.7rem 1rem;
  border: 1px solid var(--ink);
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  font-family: inherit;
  font-size: 15px;
  letter-spacing: 0;
  font-weight: 500;
  text-transform: none;
  cursor: pointer;
  transition: background 0.2s;
}

.login-form button[type="submit"]:hover { background: #333; }
.login-form button[type="submit"]:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.login-form button[type="submit"]:disabled { cursor: wait; opacity: 0.5; }

.login-password { position: relative; }
.login-page .login-form .login-password input { padding-right: 58px; }
.login-password-toggle {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid transparent;
  border-radius: 9px;
  background: transparent;
  color: var(--stone);
  cursor: pointer;
}
.login-password-toggle svg { display: block; }
.login-password-toggle:hover { color: var(--ink); background: rgba(0,0,0,.04); }
.login-password-toggle:focus-visible {
  outline: none;
  border-color: var(--field-focus-border);
  background: var(--field-focus-surface);
  color: var(--ink);
}
.login-password-toggle[hidden], .login-password-toggle [hidden] { display: none; }
@media (forced-colors: active) {
  .login-password-toggle:focus-visible { outline: 2px solid Highlight; outline-offset: 1px; }
}

.login-message { margin: 0; color: #8c271e; font-size: 12px; font-weight: 400; letter-spacing: 0; line-height: 1.4; text-transform: none; }
.login-message:empty { display: none; }
.login-footer { align-self: end; display: flex; justify-content: space-between; flex-wrap: wrap; gap: .75rem 1.5rem; width: 100%; color: var(--stone); font-size: 13px; line-height: 1.4; }
.login-footer nav { display: flex; flex-wrap: wrap; gap: .5rem 1.5rem; }
.login-footer a:hover { color: var(--ink); text-decoration: underline; text-underline-offset: .2em; }

@media (max-width: 600px) {
  .login-main { padding: 2rem 1.25rem 1.25rem; }
  .login-brand-label { font-size: clamp(2.2rem, 9vw, 3.5rem); }
  .login-content { padding-block: 2rem; }
}

.sign-out {
  justify-self: start;
  margin-top: 1.6rem;
  padding: 0 0 0.15rem;
  border: 0;
  border-bottom: 1px solid var(--divider);
  background: transparent;
  color: var(--stone);
  font-family: var(--grotesk);
  cursor: pointer;
}

.sign-out:hover { color: var(--ikb); border-bottom-color: var(--ikb); }

/* ------------------------------------------------------------
   THE WORKSPACE — chrome out of the way, app edge to edge
   ------------------------------------------------------------ */

.gallery-space-page { display: block; }

.gallery-space-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  height: 3rem;
  padding: 0 1.4rem;
  border-bottom: 1px solid var(--divider);
  background: var(--warm-white);
  color: var(--stone);
}

.gallery-space-bar .wordmark { font-size: 13px; letter-spacing: -0.03em; }
.gallery-space-bar .sign-out { margin: 0; font-size: inherit; letter-spacing: inherit; }

.gallery-frame {
  display: block;
  width: 100%;
  height: calc(100svh - 3rem);
  border: 0;
  background: #fff;
}

/* ------------------------------------------------------------
   LEGAL — body text, one measure, structural headings only
   ------------------------------------------------------------ */

.legal-page .page-title {
  font-size: clamp(2.4rem, 5.5vw, 3.6rem);
  margin-bottom: clamp(2rem, 5vh, 3rem);
}

.legal-copy {
  max-width: 38rem;
  color: var(--stone);
  font-size: 16px;
  line-height: 1.75;
}

.legal-copy h2 {
  margin: 3rem 0 0.8rem;
  color: var(--ink);
  font-size: 13px;
  letter-spacing: 0.14em;
  font-weight: 500;
  text-transform: uppercase;
  line-height: 1.4;
}

.legal-copy h3 {
  margin: 1.8rem 0 0.4rem;
  color: var(--ink);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.75;
}

.legal-copy p { margin: 0 0 1rem; }
.legal-copy strong { color: var(--ink); font-weight: 500; }

.legal-copy a {
  color: inherit;
  border-bottom: 1px solid currentColor;
}

.legal-copy a:hover { color: inherit; border-bottom-color: currentColor; }

/* ------------------------------------------------------------
   FOOTER
   ------------------------------------------------------------ */

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: var(--container);
  margin: 0 auto;
  padding: 1.4rem 0 1.6rem;
  color: var(--stone);
}

.site-footer div { display: flex; gap: 1.6rem; }
.site-footer a { color: var(--stone); }
.site-footer a:hover { color: var(--ikb); }
.site-footer > span { letter-spacing: 0.08em; }

/* ------------------------------------------------------------
   FOCUS / MOTION / PRINT
   ------------------------------------------------------------ */

:focus-visible { outline: 2px solid var(--ikb); outline-offset: 2px; }

.nav-toggle {
  display: none;
  position: relative;
  z-index: 1001;
  width: 24px;
  height: 18px;
  flex: 0 0 auto;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
}

.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: currentColor;
  transform-origin: center;
  transition: top 0.3s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}

.nav-toggle::before { top: 4px; }
.nav-toggle::after { top: 13px; }
.nav-toggle.open::before { top: 8px; transform: rotate(45deg); }
.nav-toggle.open::after { top: 8px; transform: rotate(-45deg); }

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

@media (max-width: 640px) {
  :root { --container: min(100% - 2.5rem, 1180px); }
  .site-header { padding: 1.2rem 0; }

  .home-project-link {
    width: 12rem;
  }

  .site-header .wordmark {
    position: relative;
    z-index: 1001;
  }

  .nav-toggle { display: block; }

  html.nav-open,
  html.nav-open body { overflow: hidden; }

  .site-header nav {
    position: fixed;
    inset: 0;
    z-index: 1000;
    width: 100vw;
    min-height: 100vh;
    min-height: 100dvh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: clamp(2rem, 5vh, 3rem);
    padding: 6rem 1.25rem 4rem;
    background: var(--warm-white);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.28s ease,
                visibility 0s linear 0.28s;
  }

  .site-header nav.open {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
  }

  .site-header nav a {
    color: var(--ink);
    font-size: clamp(1.75rem, 8vw, 2.5rem);
    line-height: 1;
    letter-spacing: 0.04em;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.24s ease,
                transform 0.32s cubic-bezier(0.22, 1, 0.36, 1);
  }

  .site-header nav.open a {
    opacity: 1;
    transform: translateY(0);
  }

  .site-header nav.open a:nth-child(1) { transition-delay: 0.05s; }
  .site-header nav.open a:nth-child(2) { transition-delay: 0.1s; }

  .project-list {
    grid-template-columns: 1fr;
    gap: 2.4rem;
  }

  .project-image {
    aspect-ratio: 2.2 / 1;
    margin-bottom: 0.8rem;
  }

  .project-name {
    font-size: 18px;
    line-height: 1.35;
  }

  .project-description {
    margin-top: 0.25rem;
    font-size: 14px;
    letter-spacing: 0;
    text-transform: none;
    line-height: 1.5;
  }

  .site-footer { flex-direction: column; align-items: flex-start; gap: 0.9rem; }
}

@media print {
  body { background: #fff; }
  .site-header nav, .site-footer div { display: none; }
}