/*
  MadeBy Standard — styles.css
  Edit CSS variables in Section 1 to adjust colours, spacing, and type.
*/

/* ============================================================
   1. DESIGN TOKENS
   ============================================================ */
:root {
  /* Backgrounds */
  --color-bg:     #FFFFFF;
  --color-bg-alt: #F4F4F5;

  /* Text */
  --color-text:           #0F0F0F;
  --color-text-secondary: #525252;
  --color-text-muted:     #909090;

  /* Borders */
  --color-border:        #E4E4E7;
  --color-border-strong: #C4C4C8;

  /* Grade A — Human */
  --color-grade-a:       #1A7A45;
  --color-grade-a-light: #E8F7EE;

  /* Grade B — Hybrid */
  --color-grade-b:       #B07400;
  --color-grade-b-light: #FEF5E0;

  /* Grade C — AI */
  --color-grade-c:       #C0321A;
  --color-grade-c-light: #FDECE9;

  /* Attribute badge colours */
  --color-attr-ethics:        #2D5F8A;
  --color-attr-ethics-bg:     #EBF2F8;
  --color-attr-ethics-border: #A8C4DC;

  --color-attr-data:        #3A6B68;
  --color-attr-data-bg:     #EBF4F3;
  --color-attr-data-border: #A8CCCA;

  --color-attr-media:        #5A4A8A;
  --color-attr-media-bg:     #F0EEF8;
  --color-attr-media-border: #BEB4DC;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, monospace;

  /* Type scale */
  --text-xs:   0.6875rem;
  --text-sm:   0.8125rem;
  --text-base: 1rem;
  --text-md:   1.125rem;
  --text-lg:   1.375rem;
  --text-xl:   1.75rem;
  --text-2xl:  2.25rem;
  --text-3xl:  clamp(2.25rem, 5vw, 3.5rem);

  /* Spacing */
  --sp-1:  4px;
  --sp-2:  8px;
  --sp-3:  12px;
  --sp-4:  16px;
  --sp-5:  20px;
  --sp-6:  24px;
  --sp-8:  32px;
  --sp-10: 40px;
  --sp-12: 48px;
  --sp-16: 64px;

  /* Layout */
  --max-width: 1080px;
  --gutter:    40px;

  /* Radii */
  --radius-sm: 4px;
  --radius-md: 8px;
}


/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

ul  { list-style: none; }
img { max-width: 100%; display: block; }

a { color: var(--color-text); text-decoration: underline; text-underline-offset: 3px; }
a:hover { opacity: 0.6; }


/* ============================================================
   3. LAYOUT
   ============================================================ */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.section { padding: var(--sp-12) 0; }


/* ============================================================
   4. TYPOGRAPHY
   ============================================================ */
h1, h2, h3 {
  font-family: var(--font-sans);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--color-text);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-lg); font-weight: 700; }

.eyebrow {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin-bottom: var(--sp-3);
}

/* Shared section intro text — full width, left-aligned */
.section-lead,
.attr-intro {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  line-height: 1.65;
  margin-top: var(--sp-3);
  margin-bottom: var(--sp-8);
}


/* ============================================================
   5. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px var(--sp-6);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
  white-space: nowrap;
  line-height: 1;
}

.btn-primary   { background: #111; color: #FFF; border-color: #111; }
.btn-primary:hover { background: #333; border-color: #333; opacity: 1; color: #FFF; }

.btn-secondary { background: transparent; color: var(--color-text); border-color: var(--color-border-strong); }
.btn-secondary:hover { border-color: var(--color-text); opacity: 1; }

.btn-light { background: #FFF; color: var(--color-text); border-color: #FFF; }
.btn-light:hover { opacity: 0.88; color: var(--color-text); }

.btn-lg { padding: 14px var(--sp-8); font-size: var(--text-base); }


/* ============================================================
   6. HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
  padding-top: var(--sp-4);
  padding-bottom: var(--sp-4);
}

.site-logo {
  font-size: var(--text-base);
  font-weight: 800;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: -0.02em;
  white-space: nowrap;
}
.site-logo:hover { opacity: 1; }
.site-logo .logo-dim { font-weight: 400; color: var(--color-text-muted); }

.site-nav { display: flex; align-items: center; gap: var(--sp-6); }
.site-nav a {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.15s;
}
.site-nav a:hover { color: var(--color-text); opacity: 1; }


/* ============================================================
   7. HERO — centered
   ============================================================ */
.hero {
  padding: var(--sp-12) 0 var(--sp-10);
  text-align: center;
  border-bottom: 1px solid var(--color-border);
}

.hero-headline {
  max-width: 18ch;
  margin: 0 auto var(--sp-4);
}

.hero-subhead {
  font-size: var(--text-md);
  color: var(--color-text-secondary);
  max-width: 52ch;
  margin: 0 auto var(--sp-8);
  line-height: 1.65;
  font-weight: 400;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--sp-3);
}


/* ============================================================
   8. THE STANDARD — GRADE COLUMNS
   ============================================================ */
.grades-section {
  border-bottom: 1px solid var(--color-border);
}

/* Section header row: eyebrow + heading + lead — full width, left-aligned */
.grades-section .container > .eyebrow,
.grades-section .container > h2,
.grades-section .container > .section-lead {
  display: block;
}

/* Grades grid breaks to full container width */
.grades {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1.5px solid var(--color-border);
  margin: 0 calc(-1 * var(--gutter)); /* bleed to edges */
}

.grade-col {
  padding: var(--sp-8) var(--sp-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--sp-5);
  border-right: 1.5px solid var(--color-border);
}
.grade-col:last-child { border-right: none; }

/* Column backgrounds — white so mix-blend-mode: multiply works on the icons */
.grade-col--human,
.grade-col--hybrid,
.grade-col--ai { background: #FFFFFF; }

/* Seal image — mix-blend-mode: multiply makes white/checkerboard bg disappear on white page */
.grade-col-seal {
  width: 100px;
  height: auto;
  display: block;
  mix-blend-mode: multiply;
}

/* Column title */
.grade-col-title {
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1;
}

.grade-col--human  .grade-col-title { color: var(--color-grade-a); }
.grade-col--hybrid .grade-col-title { color: var(--color-grade-b); }
.grade-col--ai     .grade-col-title { color: var(--color-grade-c); }

/* Attribute boxes — nutrition label style */
.grade-attrs {
  width: 100%;
  text-align: left;
  display: flex;
  flex-direction: column;
}

.grade-attr {
  border: 1.5px solid var(--color-border);
  padding: var(--sp-3) var(--sp-4);
  background: rgba(255,255,255,0.6);
}
.grade-attr + .grade-attr { margin-top: -1.5px; }

.grade-attr-label {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--sp-1);
  display: block;
}

.grade-attr-value {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  line-height: 1.55;
}


/* ============================================================
   9. ATTRIBUTE BADGES
   ============================================================ */
.attr-section {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
}

.attr-badges-row {
  display: flex;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

.badge-attr {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm);
  border: 1.5px solid;
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  line-height: 1;
}

.badge-attr--ethics { color: var(--color-attr-ethics); background: var(--color-attr-ethics-bg); border-color: var(--color-attr-ethics-border); }
.badge-attr--data   { color: var(--color-attr-data);   background: var(--color-attr-data-bg);   border-color: var(--color-attr-data-border); }
.badge-attr--media  { color: var(--color-attr-media);  background: var(--color-attr-media-bg);  border-color: var(--color-attr-media-border); }


/* ============================================================
   10. WAITLIST / CTA
   ============================================================ */
.cta-section {
  background: var(--color-text);
  color: #FFF;
}

.cta-section .eyebrow { color: rgba(255,255,255,0.4); }

/* Two-column layout: text left, form right */
.cta-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: start;
}

.cta-text h2  { color: #FFF; margin-bottom: var(--sp-4); }

.cta-lead {
  color: rgba(255,255,255,0.6);
  font-size: var(--text-md);
  line-height: 1.65;
  margin-bottom: var(--sp-6);
}

.cta-contact-line {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.4);
}
.cta-contact-line a { color: rgba(255,255,255,0.7); }

.waitlist-form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.form-row { display: flex; gap: var(--sp-3); align-items: flex-end; }

.form-submit { flex-shrink: 0; align-self: flex-end; }

.form-field { display: flex; flex-direction: column; gap: var(--sp-2); flex: 1; }

.form-field label {
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  color: rgba(255,255,255,0.45);
}

.form-field input {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-sm);
  border: 1.5px solid rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.07);
  color: #FFF;
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  outline: none;
  transition: border-color 0.15s;
  width: 100%;
}
.form-field input::placeholder { color: rgba(255,255,255,0.28); }
.form-field input:focus { border-color: rgba(255,255,255,0.45); }

.form-note {
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
}


/* ============================================================
   11. FOOTER
   ============================================================ */
.site-footer {
  padding: var(--sp-6) 0;
  border-top: 1px solid var(--color-border);
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.footer-brand   { font-size: var(--text-sm); font-weight: 700; letter-spacing: -0.01em; }
.footer-meta    { font-size: var(--text-xs); color: var(--color-text-muted); }
.footer-contact { font-size: var(--text-xs); color: var(--color-text-muted); text-decoration: none; }
.footer-contact:hover { opacity: 0.7; }


/* ============================================================
   12. RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 860px) {
  :root { --gutter: 24px; }

  .grades {
    grid-template-columns: 1fr;
    margin: 0 calc(-1 * var(--gutter));
  }

  .grade-col {
    border-right: none;
    border-bottom: 1.5px solid var(--color-border);
  }
  .grade-col:last-child { border-bottom: none; }

  .grade-attrs { max-width: 400px; margin: 0 auto; width: 100%; }

  .cta-inner {
    grid-template-columns: 1fr;
    gap: var(--sp-8);
  }
}


/* ============================================================
   13. RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 600px) {
  :root { --gutter: 16px; }

  .site-nav { display: none; }

  .hero { padding: var(--sp-10) 0; }

  .form-row { flex-direction: column; }

  .attr-badges-row { flex-direction: column; align-items: flex-start; }

  .site-footer .container { flex-direction: column; align-items: flex-start; gap: var(--sp-2); }
}