/* ============================================================
   ESL Vision Brand Shell — tools.eslvision.com
   Brand & Design System v2026.06.08 · Light Surface
   ============================================================ */

/* ── Fonts ─────────────────────────────────────────────────── */
@import url("https://use.typekit.net/uxz6fvk.css");

/* ── Tokens ─────────────────────────────────────────────────── */
:root {
  --green:        #20C85B;
  --green-hover:  #22B356;
  --green-active: #158A40;
  --green-glow:   rgba(32, 200, 91, 0.35);
  --near-black:   #161915;
  --dark-grey:    #333333;
  --mid-grey:     #666666;
  --border:       #D2D2D2;
  --off-white:    #FAFAFA;
  --white:        #ffffff;
  --error:        #CC4749;

  --radius-btn:   4px;
  --unit:         8px;
  --max-width:    1600px;

  --font-body:    "proxima-nova", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}

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

html {
  font-size: 14px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body) !important;
  font-weight: 400;
  color: var(--near-black);
  background: var(--off-white);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--near-black);
  text-decoration: none;
}

a:hover {
  color: var(--green);
}

/* ── Header ─────────────────────────────────────────────────── */
.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 calc(var(--unit) * 3);
  height: 64px;
  display: flex;
  align-items: center;
  gap: calc(var(--unit) * 4);
}

.site-header__logo {
  display: flex;
  align-items: center;
  gap: calc(var(--unit) * 1.5);
  flex-shrink: 0;
  color: var(--near-black);
  text-decoration: none;
}

.site-header__logo svg {
  display: block;
  flex-shrink: 0;
}

.site-header__wordmark {
  font-family: var(--font-body) !important;
  font-weight: 700;
  font-size: 13px;
  color: var(--mid-grey);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
}

/* ── Nav ────────────────────────────────────────────────────── */
.site-nav {
  display: flex;
  align-items: center;
  gap: calc(var(--unit) * 0.5);
  margin-left: auto;
}

.site-nav__link {
  font-family: var(--font-body) !important;
  font-weight: 700;
  font-size: 14px;
  color: var(--near-black);
  text-decoration: none;
  padding: calc(var(--unit) * 0.75) calc(var(--unit) * 1.5);
  border-radius: var(--radius-btn);
  transition: color 120ms ease, background 120ms ease;
  white-space: nowrap;
}

.site-nav__link:hover {
  color: var(--green);
  background: rgba(32, 200, 91, 0.06);
}

.site-nav__link--active {
  color: var(--green);
}

.site-nav__link:focus-visible {
  outline: 2px solid rgba(32, 200, 91, 0.45);
  outline-offset: 2px;
}

/* ── Main ───────────────────────────────────────────────────── */
.page-main {
  flex: 1;
  padding: calc(var(--unit) * 6) calc(var(--unit) * 3);
}

.page-inner {
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ── Page header ────────────────────────────────────────────── */
.page-eyebrow {
  font-family: var(--font-body) !important;
  font-weight: 700;
  font-size: 11px;
  color: var(--green);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: calc(var(--unit) * 1);
}

.page-title {
  font-family: var(--font-body) !important;
  font-weight: 700;
  font-size: 28px;
  color: var(--near-black);
  line-height: 1.2;
  margin-bottom: calc(var(--unit) * 1);
}

.page-desc {
  font-family: var(--font-body) !important;
  font-weight: 400;
  font-size: 14px;
  color: var(--mid-grey);
  margin-bottom: calc(var(--unit) * 5);
}

/* ── Tool cards ─────────────────────────────────────────────── */
.tool-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: calc(var(--unit) * 2.5);
}

.tool-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: calc(var(--unit) * 3);
  display: flex;
  align-items: flex-start;
  gap: calc(var(--unit) * 2);
  text-decoration: none;
  color: var(--near-black);
  transition: border-color 160ms ease, box-shadow 160ms ease;
  position: relative;
}

.tool-card:hover {
  border-color: var(--green);
  box-shadow: 0 0 0 1px var(--green), 0 2px 12px rgba(32, 200, 91, 0.12);
  color: var(--near-black);
}

.tool-card:focus-visible {
  outline: 2px solid rgba(32, 200, 91, 0.45);
  outline-offset: 2px;
}

.tool-card__icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  background: rgba(32, 200, 91, 0.08);
  border-radius: var(--radius-btn);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
}

.tool-card__body {
  flex: 1;
  min-width: 0;
}

.tool-card__title {
  font-family: var(--font-body) !important;
  font-weight: 700;
  font-size: 15px;
  color: var(--near-black);
  margin-bottom: calc(var(--unit) * 0.5);
  line-height: 1.3;
}

.tool-card:hover .tool-card__title {
  color: var(--green);
}

.tool-card__desc {
  font-family: var(--font-body) !important;
  font-weight: 400;
  font-size: 13px;
  color: var(--mid-grey);
  line-height: 1.5;
}

.tool-card__arrow {
  flex-shrink: 0;
  font-size: 18px;
  color: var(--border);
  transition: color 160ms ease, transform 160ms ease;
  align-self: center;
}

.tool-card:hover .tool-card__arrow {
  color: var(--green);
  transform: translateX(2px);
}

/* ── Footer ─────────────────────────────────────────────────── */
.site-footer {
  background: var(--near-black);
  border-top: 1px solid rgba(255,255,255,0.08);
  margin-top: auto;
}

.site-footer__inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: calc(var(--unit) * 2.5) calc(var(--unit) * 3);
  display: flex;
  align-items: center;
  gap: calc(var(--unit) * 1.5);
  font-family: var(--font-body) !important;
  font-weight: 400;
  font-size: 12px;
  color: var(--mid-grey);
}

.site-footer__divider {
  opacity: 0.4;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--unit));
  background: var(--green);
  color: var(--off-white);
  border: 1px solid var(--green);
  border-radius: var(--radius-btn);
  font-family: var(--font-body) !important;
  font-weight: 700;
  font-size: 14px;
  padding: calc(var(--unit) * 1.25) calc(var(--unit) * 2);
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease;
  text-decoration: none;
}

.btn-primary:hover {
  background: var(--green-hover);
  border-color: var(--green-hover);
  color: var(--off-white);
}

.btn-primary:active {
  background: var(--green-active);
  border-color: var(--green-active);
}

.btn-primary:disabled {
  background: var(--border);
  border-color: var(--border);
  color: var(--white);
  cursor: not-allowed;
}

.btn-primary:focus-visible {
  outline: 3px solid rgba(32, 200, 91, 0.45);
  outline-offset: 3px;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: calc(var(--unit));
  background: var(--white);
  color: var(--near-black);
  border: 1px solid var(--near-black);
  border-radius: var(--radius-btn);
  font-family: var(--font-body) !important;
  font-weight: 700;
  font-size: 14px;
  padding: calc(var(--unit) * 1.25) calc(var(--unit) * 2);
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease;
  text-decoration: none;
}

.btn-secondary:hover {
  color: var(--green);
  border-color: var(--green);
}

.btn-secondary:focus-visible {
  outline: 3px solid rgba(32, 200, 91, 0.45);
  outline-offset: 3px;
}

/* ── Form inputs ─────────────────────────────────────────────── */
.form-label {
  display: block;
  font-family: var(--font-body) !important;
  font-weight: 700;
  font-size: 13px;
  color: var(--near-black);
  margin-bottom: calc(var(--unit) * 0.75);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  font-family: var(--font-body) !important;
  font-size: 14px;
  color: var(--near-black);
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: calc(var(--unit) * 1.25) calc(var(--unit) * 1.5);
  transition: border-color 120ms ease;
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--near-black);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: #959595;
}

/* ── Divider ─────────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--border);
  margin: calc(var(--unit) * 4) 0;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 600px) {
  .site-header__inner {
    padding: 0 calc(var(--unit) * 2);
    gap: calc(var(--unit) * 2);
  }

  .site-header__wordmark {
    display: none;
  }

  .site-nav__link {
    font-size: 13px;
    padding: calc(var(--unit) * 0.75) calc(var(--unit));
  }

  .page-main {
    padding: calc(var(--unit) * 4) calc(var(--unit) * 2);
  }

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

  .site-footer__inner {
    padding: calc(var(--unit) * 2) calc(var(--unit) * 2);
    flex-wrap: wrap;
    gap: calc(var(--unit));
  }
}

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