/* ==========================================================================
   GREENLYTES — LUMEN CALCULATOR

   Styles specific to the outdoor lumen calculator.

   Dependencies:
   1. base.css
   2. components.css
   3. guide.css

   Scope:
   - Tool introduction
   - Calculator steps and choices
   - Calculator action
   - Result panel
   ========================================================================== */


/* ==========================================================================
   03. GREENLYTES LAB TOOL — OPTIONAL
   Shared visual foundation for interactive guide tools.
   ========================================================================== */

.lab-tool {
  position: relative;
  padding: 72px 0 78px;
  overflow: hidden;
  background:
    radial-gradient(
      circle at 92% 15%,
      rgba(125, 169, 102, 0.12),
      transparent 29rem
    ),
    #ffffff;
}

.lab-tool__inner {
  margin-inline: auto;
}

.lab-tool__header {
  display: grid;
  grid-template-columns: 1fr;
  align-items: start;
  gap: 24px;
  width: 100%;
  max-width: none;
  margin: 0 0 40px;
}

.lab-tool__identity {
  display: inline-flex;
  align-items: center;
  justify-self: start;
  gap: 13px;
}

.lab-tool__mark {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  flex: 0 0 48px;
  border-radius: 50%;
  color: var(--color-green-dark);
  background: #edf5e9;
}

.lab-tool__mark svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.55;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lab-tool__identity > span:last-child {
  display: grid;
  gap: 5px;
}

.lab-tool__identity small {
  color: var(--color-green-dark);
  font-size: 0.63rem;
  font-weight: 850;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.lab-tool__identity strong {
  width: fit-content;
  padding: 5px 9px;
  border-radius: 999px;
  color: var(--color-green-deep);
  background: rgba(89, 137, 76, 0.1);
  font-size: 0.63rem;
}

.lab-tool__heading {
  display: grid;
  grid-template-columns:
    minmax(0, 1.15fr)
    minmax(300px, 0.85fr);
  align-items: end;
  gap: clamp(44px, 7vw, 105px);
  width: 100%;
  max-width: none;
}

.lab-tool__heading > .eyebrow {
  grid-column: 1;
}

.lab-tool__heading h2 {
  grid-column: 1;
  width: 100%;
  max-width: 820px;
  margin: 0;
  color: var(--color-ink);
  font-size: clamp(2.7rem, 4.35vw, 4.35rem);
  line-height: 0.98;
  letter-spacing: -0.05em;
  text-wrap: balance;
  overflow-wrap: normal;
  word-break: normal;
  hyphens: none;
}

.lab-tool__heading > .section-summary {
  grid-column: 2;
  grid-row: 1 / span 2;
  align-self: end;
}


/* ==========================================================================
   Calculator container
   ========================================================================== */

.lumen-tool {
  overflow: hidden;
  border: 1px solid rgba(38, 72, 42, 0.12);
  border-radius: 27px;
  background:
    linear-gradient(
      180deg,
      #fbfcf9 0%,
      #f5f8f2 100%
    );
  box-shadow:
    0 24px 65px rgba(27, 53, 31, 0.085),
    inset 0 1px 0 rgba(255, 255, 255, 0.96);
}

.lumen-tool__step {
  min-width: 0;
  margin: 0;
  padding: 36px 38px 39px;
  border: 0;
}

.lumen-tool__step + .lumen-tool__step {
  border-top: 1px solid rgba(39, 72, 43, 0.1);
}

.lumen-tool__step-header {
  display: flex;
  align-items: center;
  gap: 16px;
  width: 100%;
  margin-bottom: 27px;
}

.lumen-tool__step-number {
  display: grid;
  place-items: center;
  width: 35px;
  height: 35px;
  flex: 0 0 35px;
  border-radius: 50%;
  color: #ffffff;
  background: var(--color-green-dark);
  font-size: 0.65rem;
  font-weight: 850;
  line-height: 1;
}

.lumen-tool__step-header > div {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.lumen-tool__step-header strong {
  color: var(--color-ink);
  font-size: 1rem;
  font-weight: 780;
  line-height: 1.25;
}

.lumen-tool__step-header p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  line-height: 1.45;
}

/* ==========================================================================
   Lighting-area cards
   ========================================================================== */

.lumen-tool__area-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 13px;
}

.lumen-option {
  position: relative;
  cursor: pointer;
}

.lumen-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.lumen-option__card {
  display: grid;
  min-height: 146px;
  align-content: center;
  justify-items: center;
  gap: 7px;
  padding: 17px 13px;
  border: 1px solid rgba(41, 75, 44, 0.12);
  border-radius: 15px;
  color: var(--color-ink);
  background: rgba(255, 255, 255, 0.76);
  text-align: center;
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    background 200ms ease,
    box-shadow 200ms ease;
}

.lumen-option__icon {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 2px;
  border-radius: 50%;
  color: var(--color-green-dark);
  background: #edf5e9;
}

.lumen-option__icon svg {
  width: 23px;
  height: 23px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.55;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lumen-option__card strong {
  font-size: 0.90rem;
}

.lumen-option__card small {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.lumen-option:hover .lumen-option__card {
  transform: translateY(-2px);
  border-color: rgba(55, 101, 57, 0.25);
  box-shadow: 0 12px 25px rgba(37, 69, 40, 0.07);
}

.lumen-option input:checked + .lumen-option__card {
  border-color: var(--color-green-dark);
  color: var(--color-green-deep);
  background: #f0f7ec;
  box-shadow:
    0 0 0 3px rgba(66, 115, 64, 0.08),
    0 13px 26px rgba(35, 67, 38, 0.075);
}

.lumen-option input:focus-visible + .lumen-option__card {
  outline: 3px solid rgba(75, 129, 70, 0.38);
  outline-offset: 3px;
}

/* ==========================================================================
   Size and effect choices
   ========================================================================== */

.lumen-tool__choice-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 13px;
}

.lumen-tool__choice-row--four {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.lumen-choice {
  position: relative;
  cursor: pointer;
}

.lumen-choice input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.lumen-choice > span {
  display: grid;
  gap: 6px;
  min-height: 92px;
  align-content: center;
  padding: 15px 17px;
  border: 1px solid rgba(41, 75, 44, 0.12);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.76);
  text-align: center;
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    background 200ms ease,
    box-shadow 200ms ease;
}

.lumen-choice strong {
  color: var(--color-ink);
  font-size: 0.86rem;
}

.lumen-choice small {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  line-height: 1.35;
}

.lumen-choice:hover > span {
  transform: translateY(-2px);
  border-color: rgba(55, 101, 57, 0.25);
}

.lumen-choice input:checked + span {
  border-color: var(--color-green-dark);
  background: #eef6ea;
  box-shadow: 0 0 0 3px rgba(66, 115, 64, 0.08);
}

.lumen-choice input:focus-visible + span {
  outline: 3px solid rgba(75, 129, 70, 0.38);
  outline-offset: 3px;
}

/* ==========================================================================
   Calculator action
   ========================================================================== */

.lumen-tool__action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 25px 38px;
  border-top: 1px solid rgba(39, 72, 43, 0.1);
  background: #ffffff;
}

.lumen-tool__action p {
  max-width: 660px;
  margin: 0;
  color: var(--color-text-muted);
  font-size: 0.82rem;
  line-height: 1.55;
}

.lumen-tool__button {
  display: inline-flex;
  min-width: 248px;
  min-height: 55px;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 0 18px 0 22px;
  border: 0;
  border-radius: 9px;
  color: #ffffff;
  background:
    linear-gradient(
      135deg,
      #3d7941 0%,
      #285a30 100%
    );
  box-shadow: 0 13px 28px rgba(35, 80, 42, 0.21);
  font: inherit;
  font-size: 0.84rem;
  font-weight: 800;
  cursor: pointer;
  transition:
    transform 200ms ease,
    box-shadow 200ms ease;
}

.lumen-tool__button svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 200ms ease;
}

.lumen-tool__button:hover {
  transform: translateY(-2px);
  box-shadow: 0 17px 35px rgba(35, 80, 42, 0.26);
}

.lumen-tool__button:hover svg {
  transform: translateX(4px);
}

.lumen-tool__button:focus-visible {
  outline: 3px solid rgba(75, 129, 70, 0.42);
  outline-offset: 4px;
}

/* ==========================================================================
   Result card
   ========================================================================== */

.lumen-result {
  display: grid;
  grid-template-columns:
    minmax(0, 1.15fr)
    minmax(270px, 0.85fr);
  margin-top: 24px;
  overflow: hidden;
  border: 1px solid rgba(55, 100, 57, 0.16);
  border-radius: 25px;
  background:
    linear-gradient(
      135deg,
      #173c22 0%,
      #092a17 100%
    );
  box-shadow: 0 24px 60px rgba(18, 53, 25, 0.16);
}

.lumen-result[hidden] {
  display: none;
}

.lumen-result__main {
  padding: 39px 42px;
  color: #ffffff;
}

.lumen-result__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  border-radius: 999px;
  color: #d9efd2;
  background: rgba(123, 183, 102, 0.16);
  font-size: 0.66rem;
  font-weight: 850;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.lumen-result__status::before {
  content: "✓";
}

.lumen-result__label {
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.67);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lumen-result h3 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 8px 0 0;
  color: #ffffff;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(3.3rem, 6vw, 6.2rem);
  font-weight: 400;
  line-height: 0.95;
  letter-spacing: -0.055em;
}

.lumen-result h3 small {
  font-family: inherit;
  font-size: 0.23em;
  letter-spacing: 0;
}

.lumen-result__summary {
  max-width: 600px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.88rem;
  line-height: 1.65;
}

.lumen-result__selection {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 24px;
}

.lumen-result__selection span {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.72rem;
}

.lumen-result__insight {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 36px 38px;
  color: var(--color-ink);
  background: #f2f7ef;
}

.lumen-result__insight p {
  margin: 15px 0 0;
  color: var(--color-text-muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(1.25rem, 2vw, 1.8rem);
  line-height: 1.34;
}

.lumen-result__categories {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns:
    minmax(230px, 0.75fr)
    minmax(0, 1.25fr);
  align-items: center;
  gap: 35px;
  padding: 23px 31px;
  border-top: 1px solid rgba(39, 72, 43, 0.1);
  background: #ffffff;
}

.lumen-result__categories p {
  max-width: 480px;
  margin: 8px 0 0;
  color: var(--color-text-muted);
  font-size: 0.80rem;
  line-height: 1.5;
}

.lumen-result__links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 11px;
}

.lumen-result__links a {
  display: flex;
  min-height: 53px;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 0 16px 0 18px;
  border: 1px solid rgba(40, 75, 43, 0.13);
  border-radius: 10px;
  color: var(--color-green-deep);
  background: #f7faf5;
  font-size: 0.80rem;
  font-weight: 760;
  text-decoration: none;
  transition:
    transform 200ms ease,
    border-color 200ms ease,
    background 200ms ease;
}

.lumen-result__links svg {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.lumen-result__links a:hover {
  transform: translateY(-2px);
  border-color: rgba(54, 101, 56, 0.3);
  background: #edf5e9;
}

/* ==========================================================================
   RESPONSIVE — LUMEN CALCULATOR
   ========================================================================== */

@media (max-width: 1050px) {
  .lab-tool {
    padding: 58px 0 64px;
  }

  .lab-tool__header {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 27px;
  }

  .lab-tool__heading {
    grid-template-columns: 1fr;
    align-items: start;
    gap: 18px;
  }

  .lab-tool__heading > .eyebrow,
  .lab-tool__heading h2,
  .lab-tool__heading > .section-summary {
    grid-column: 1;
    grid-row: auto;
  }

  .lab-tool__heading > .section-summary {
    max-width: 620px;
  }

  .lumen-tool__area-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lumen-tool__choice-row--four {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .lumen-result {
    grid-template-columns: 1fr;
  }

  .lumen-result__categories {
    grid-column: auto;
  }
}

@media (max-width: 680px) {
  .lab-tool {
    padding: 46px 0 50px;
  }

  .lab-tool__header {
    margin-bottom: 31px;
  }

  .lab-tool__heading h2 {
    font-size: clamp(2.35rem, 11vw, 3.35rem);
  }

  .lumen-tool {
    border-radius: 21px;
  }

  .lumen-tool__step {
    padding: 28px 18px 31px;
  }

  .lumen-tool__area-grid,
  .lumen-tool__choice-row,
  .lumen-tool__choice-row--four {
    grid-template-columns: 1fr;
  }

  .lumen-option__card {
    min-height: 92px;
    grid-template-columns: 42px minmax(0, 1fr);
    align-content: center;
    justify-items: start;
    column-gap: 13px;
    text-align: left;
  }

  .lumen-option__icon {
    grid-row: 1 / 3;
    margin: 0;
  }

  .lumen-choice > span {
    min-height: 75px;
    text-align: left;
  }

  .lumen-tool__action {
    flex-direction: column;
    align-items: stretch;
    padding: 22px 18px;
  }

  .lumen-tool__button {
    width: 100%;
    min-width: 0;
  }

  .lumen-result__main,
  .lumen-result__insight {
    padding: 31px 22px;
  }

  .lumen-result h3 {
    display: grid;
    gap: 5px;
  }

  .lumen-result h3 small {
    font-size: 0.28em;
  }

  .lumen-result__categories {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 25px 20px;
  }

  .lumen-result__links {
    grid-template-columns: 1fr;
  }
}