/* =========================================================
   ZEER · Project Brief intake form
   Inherits color/font variables from style.css
   ========================================================= */

/* --- Page-level overrides -------------------------------- */
[data-page="brief"] {
  font-size: 17px;
}
[data-page="brief"],
[data-page="brief"] body {
  background: var(--void);
  min-height: 100dvh;
}
/* Hide main-site elements that style.css might define */
[data-page="brief"] .nav,
[data-page="brief"] .nav-overlay,
[data-page="brief"] .skip-link,
[data-page="brief"] .scroll-progress,
[data-page="brief"] .to-top,
[data-page="brief"] .foot,
[data-page="brief"] .grain,
[data-page="brief"] .static-overlay,
[data-page="brief"] .vignette,
[data-page="brief"] #scene {
  display: none !important;
}

/* --- Top navigation bar ---------------------------------- */
.brief-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  padding: 1.2rem clamp(1.5rem, 5vw, 3rem);
  background: rgba(3, 2, 16, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(245, 241, 255, 0.06);
}
.brief-nav__brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--ink);
  transition: opacity 0.3s var(--ease-out);
}
.brief-nav__brand:hover {
  opacity: 0.7;
}
.brief-nav__logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: drop-shadow(0 0 10px rgba(34, 241, 255, 0.15));
}
.brief-nav__sep {
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  opacity: 0.4;
}
.brief-nav__label {
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

/* --- Main container -------------------------------------- */
.brief {
  display: flex;
  justify-content: center;
  padding: clamp(3rem, 8vh, 6rem) clamp(1.5rem, 5vw, 3rem) clamp(4rem, 10vh, 8rem);
}
.brief__container {
  width: 100%;
  max-width: 820px;
}

/* --- Intro ----------------------------------------------- */
.brief__intro {
  margin-bottom: clamp(2.5rem, 5vh, 4rem);
  padding-bottom: clamp(2rem, 4vh, 3rem);
  border-bottom: 1px solid rgba(245, 241, 255, 0.08);
}
.brief__title {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 7vw, 4.5rem);
  font-variation-settings: "wght" 720, "SOFT" 40, "opsz" 144;
  line-height: 1.05;
  color: var(--ink);
  margin-bottom: 1.2rem;
}
.brief__title-accent {
  font-family: var(--font-italic);
  font-style: italic;
  color: var(--chr-cyan);
}
.brief__subtitle {
  font-family: var(--font-display);
  font-size: clamp(1.12rem, 2vw, 1.32rem);
  font-variation-settings: "wght" 420, "SOFT" 50, "opsz" 72;
  line-height: 1.65;
  color: var(--ink-dim);
  max-width: 580px;
}

/* --- Form layout ----------------------------------------- */
.brief__form {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.brief__honeypot {
  position: absolute;
  overflow: hidden;
  clip: rect(0 0 0 0);
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
}

.brief__universal,
.brief__closing {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  padding: clamp(2rem, 4vh, 3rem) 0;
}
.brief__universal {
  border-bottom: 1px solid rgba(245, 241, 255, 0.08);
}
.brief__closing {
  border-top: 1px solid rgba(245, 241, 255, 0.08);
  padding-top: clamp(2rem, 4vh, 3rem);
}

/* Two-column row for budget + timeline */
.brief__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.6rem;
}
@media (max-width: 560px) {
  .brief__row {
    grid-template-columns: 1fr;
  }
}

/* --- Fields (inputs, selects, textareas) ----------------- */
.brief__field {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.brief__label {
  font-family: var(--font-mono);
  font-size: 0.94rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}

.brief__input,
.brief__select,
.brief__textarea {
  width: 100%;
  padding: 1.05rem 1.2rem;
  font-family: var(--font-display);
  font-size: 1.12rem;
  font-variation-settings: "wght" 400, "SOFT" 40, "opsz" 72;
  line-height: 1.55;
  color: var(--ink);
  background: var(--void-2);
  border: none;
  border-bottom: 2px solid rgba(245, 241, 255, 0.08);
  border-radius: 4px 4px 0 0;
  outline: none;
  transition:
    border-color 0.4s var(--ease-out),
    background-color 0.4s var(--ease-out);
}
.brief__input:focus,
.brief__select:focus,
.brief__textarea:focus {
  border-bottom-color: var(--chr-cyan);
  background-color: rgba(8, 5, 22, 0.9);
}
.brief__input::placeholder,
.brief__textarea::placeholder {
  color: rgba(245, 241, 255, 0.22);
  font-family: var(--font-italic);
  font-style: italic;
  font-size: 0.9em;
}

/* Override focus-visible from style.css for form elements */
.brief__input:focus-visible,
.brief__select:focus-visible,
.brief__textarea:focus-visible {
  outline: none;
  border-bottom-color: var(--chr-cyan);
}

/* Select arrow */
.brief__select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 3rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'%3E%3Cpath d='M1 1.5L6 6l5-4.5' stroke='%238a7fa8' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  background-size: 12px 8px;
}
/* Placeholder-style (disabled hidden selected) */
.brief__select:invalid,
.brief__select option[value=""][disabled] {
  color: rgba(245, 241, 255, 0.22);
}
.brief__select option {
  background: var(--void-2);
  color: var(--ink);
  padding: 0.5rem;
}

.brief__textarea {
  resize: vertical;
  min-height: 100px;
}

/* --- Conditional sections (fieldsets) -------------------- */
.brief__section {
  border: none;
  padding: 0;
  margin: 0;
  overflow: hidden;
  max-height: 0;
  opacity: 0;
  transition:
    max-height 0.6s var(--ease-out),
    opacity 0.5s var(--ease-out),
    padding 0.5s var(--ease-out),
    margin 0.5s var(--ease-out);
}
.brief__section.is-visible {
  max-height: 1200px;
  opacity: 1;
  padding: clamp(1.5rem, 3vh, 2.5rem) 0;
  margin: 0.5rem 0;
  border-top: 1px solid rgba(245, 241, 255, 0.06);
  border-bottom: 1px solid rgba(245, 241, 255, 0.06);
}
.brief__section > .brief__field {
  margin-bottom: 1.8rem;
}
.brief__section > .brief__field:last-child {
  margin-bottom: 0;
}

.brief__legend {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.8rem);
  font-variation-settings: "wght" 640, "SOFT" 40, "opsz" 100;
  color: var(--ink);
  line-height: 1.2;
  margin-bottom: 2rem;
  padding: 0;
}
.brief__legend em {
  font-family: var(--font-italic);
  font-style: italic;
  color: var(--chr-violet);
}

/* --- Custom checkboxes ----------------------------------- */
.brief__checks {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}
.brief__check {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.75rem 1.15rem;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  letter-spacing: 0.06em;
  color: var(--ink-dim);
  background: rgba(245, 241, 255, 0.025);
  border: 1px solid rgba(245, 241, 255, 0.1);
  border-radius: 4px;
  cursor: pointer;
  transition:
    color 0.3s var(--ease-out),
    border-color 0.3s var(--ease-out),
    background-color 0.3s var(--ease-out);
  user-select: none;
  -webkit-user-select: none;
}
.brief__check:hover {
  color: var(--ink);
  border-color: rgba(245, 241, 255, 0.22);
}
.brief__check input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}
.brief__checkmark {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border: 1.5px solid rgba(245, 241, 255, 0.2);
  border-radius: 3px;
  background: transparent;
  transition:
    border-color 0.3s var(--ease-out),
    background-color 0.3s var(--ease-out);
}
.brief__checkmark::after {
  content: "";
  position: absolute;
  top: 1px;
  left: 4.5px;
  width: 5px;
  height: 9px;
  border: solid var(--void);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.25s var(--ease-out);
}
.brief__check input[type="checkbox"]:checked ~ .brief__checkmark {
  background: var(--chr-cyan);
  border-color: var(--chr-cyan);
}
.brief__check input[type="checkbox"]:checked ~ .brief__checkmark::after {
  transform: rotate(45deg) scale(1);
}
.brief__check:has(input[type="checkbox"]:checked) {
  color: var(--ink);
  border-color: rgba(34, 241, 255, 0.3);
  background: rgba(34, 241, 255, 0.06);
}
/* Focus ring for keyboard users */
.brief__check:has(input[type="checkbox"]:focus-visible) {
  outline: 2px solid var(--chr-cyan);
  outline-offset: 2px;
}

/* --- Submit button --------------------------------------- */
.brief__submit {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  width: 100%;
  padding: 1.25rem 2.2rem;
  margin-top: 1rem;
  font-size: 0.88rem;
  color: var(--ink);
  background: transparent;
  border: 1px solid rgba(245, 241, 255, 0.2);
  border-radius: 999px;
  cursor: pointer;
  overflow: hidden;
  isolation: isolate;
  transition:
    color 0.5s var(--ease-out),
    border-color 0.5s var(--ease-out),
    transform 0.4s var(--ease-out);
}
.brief__submit::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--chr-gradient);
  transform: translateX(-102%);
  transition: transform 0.7s var(--ease-out);
  z-index: -1;
}
.brief__submit:hover::before {
  transform: translateX(0);
}
.brief__submit:hover {
  color: var(--void);
  border-color: transparent;
}
.brief__submit:active {
  transform: scale(0.98);
}
.brief__submit-text {
  font-family: var(--font-mono);
  letter-spacing: 0.22em;
  text-transform: uppercase;
}
.brief__submit-arrow {
  font-family: var(--font-italic);
  font-size: 1.1rem;
  transition: transform 0.5s var(--ease-out);
}
.brief__submit:hover .brief__submit-arrow {
  transform: translateX(4px);
}

/* --- reCAPTCHA ------------------------------------------- */
.brief__captcha {
  display: flex;
  justify-content: center;
  margin-top: 0.3rem;
  line-height: 0;
}
.brief__captcha iframe {
  border: 0 !important;
}

/* --- Status ---------------------------------------------- */
.brief__status {
  min-height: 1.4rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-align: center;
  transition: opacity 0.4s var(--ease-out);
}
.brief__status:empty {
  opacity: 0;
}
.brief__status.is-error {
  color: var(--chr-magenta);
}
.brief__status.is-success {
  color: var(--chr-cyan);
}

/* --- Back link ------------------------------------------- */
.brief__back {
  display: inline-block;
  margin-top: clamp(2.5rem, 5vh, 4rem);
  padding-top: clamp(2rem, 4vh, 3rem);
  border-top: 1px solid rgba(245, 241, 255, 0.08);
  width: 100%;
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--ink-dim);
  text-decoration: none;
  transition: color 0.3s var(--ease-out);
}
.brief__back:hover {
  color: var(--ink);
}

/* --- Mono utility ---------------------------------------- */
.mono {
  font-family: var(--font-mono);
}

/* --- Tablet ---------------------------------------------- */
@media (max-width: 768px) {
  .brief {
    padding: clamp(2.5rem, 6vh, 4rem) clamp(1.5rem, 4vw, 2.5rem) clamp(3rem, 8vh, 6rem);
  }
  .brief__title {
    font-size: clamp(2.4rem, 8vw, 3.6rem);
  }
  .brief__subtitle {
    font-size: clamp(1.05rem, 3.5vw, 1.2rem);
  }
}

/* --- Mobile ---------------------------------------------- */
@media (max-width: 560px) {
  [data-page="brief"] { font-size: 18px; }
  .brief {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }
  .brief-nav {
    padding: 0.9rem 1.15rem;
  }
  .brief__title {
    font-size: clamp(2.4rem, 10vw, 3.2rem);
  }
  .brief__subtitle {
    font-size: clamp(1.08rem, 4vw, 1.2rem);
    line-height: 1.62;
  }
  .brief__label {
    font-size: 0.9rem;
  }
  .brief__legend {
    font-size: clamp(1.3rem, 6vw, 1.6rem);
    margin-bottom: 1.6rem;
  }
  .brief__input,
  .brief__select,
  .brief__textarea {
    font-size: 1.08rem;
    padding: 0.95rem 1.05rem;
  }
  .brief__select {
    padding-right: 2.6rem;
  }
  .brief__checks {
    gap: 0.5rem;
  }
  .brief__check {
    font-size: 0.84rem;
    padding: 0.65rem 0.95rem;
  }
  .brief__submit {
    padding: 1.15rem 1.8rem;
    font-size: 0.84rem;
  }
  .brief__back {
    font-size: 0.78rem;
  }
  .brief__universal,
  .brief__closing {
    gap: 1.5rem;
  }
  .brief__section > .brief__field {
    margin-bottom: 1.5rem;
  }
}

/* --- Small phones ---------------------------------------- */
@media (max-width: 400px) {
  [data-page="brief"] { font-size: 18.5px; }
  .brief__title {
    font-size: clamp(2.1rem, 11vw, 2.8rem);
  }
  .brief__check {
    width: 100%;
    justify-content: flex-start;
  }
  .brief__row {
    grid-template-columns: 1fr;
  }
}