/* ============================================================
   BLEND THEORY — styles.css
   Edit design tokens in :root to retheme the whole site.
   ============================================================ */

/* ── Tokens ─────────────────────────────────────────────── */
:root {
  --ink:    #20251E;
  --sage:   #6E8166;
  --bone:   #ECE6DA;
  --brass:  #B08A4E;
  --white:  #FFFFFF;

  --font-sans:   'Jost', 'Futura', 'Century Gothic', Arial, sans-serif;
  --font-serif:  'Playfair Display', Georgia, serif;

  --radius:  6px;
  --max-w:   1120px;
  --gap:     clamp(1.5rem, 4vw, 3rem);
}

/* ── Reset ───────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}
body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bone);
}
img { display: block; max-width: 100%; }
a { color: var(--sage); text-decoration: underline; }
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--sage);
  outline-offset: 3px;
}

/* ── Utility ─────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2.5rem);
}
.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
  display: block;
  margin-bottom: 0.75rem;
}
.section-heading {
  font-size: clamp(1.75rem, 3.5vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.15;
}
.italic-accent { font-family: var(--font-serif); font-style: italic; font-weight: 400; color: var(--sage); }

/* blend mark divider */
.blend-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-block: 1.5rem;
}
.blend-divider::before, .blend-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: currentColor;
  opacity: 0.15;
}

/* ── Buttons ─────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8em 1.6em;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  cursor: pointer;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--ink);
  color: var(--bone);
  border-color: var(--ink);
}
.btn-primary:hover {
  background: var(--sage);
  border-color: var(--sage);
  color: var(--white);
}
/* Sage-background button for use on dark/ink sections */
.btn-sage {
  background: var(--sage);
  color: var(--bone);
  border-color: var(--sage);
}
.btn-sage:hover {
  background: #5a6b53;
  border-color: #5a6b53;
  color: var(--white);
}
.btn-secondary {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn-secondary:hover {
  background: var(--ink);
  color: var(--bone);
}
.btn-outline-light {
  background: transparent;
  color: var(--bone);
  border-color: rgba(236,230,218,0.5);
}
.btn-outline-light:hover {
  background: var(--bone);
  color: var(--ink);
  border-color: var(--bone);
}

/* ── Header ──────────────────────────────────────────────── */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bone);
  border-bottom: 1px solid rgba(32,37,30,0.08);
  padding-block: 0.9rem;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo-link {
  display: flex;
  align-items: center;
  text-decoration: none;
  flex-shrink: 0;
}
.logo-link img { height: 60px; width: auto; }

.site-nav { display: flex; align-items: center; gap: 0.25rem; }
.site-nav a {
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--ink);
  text-decoration: none;
  padding: 0.4em 0.75em;
  border-radius: var(--radius);
  transition: color 0.15s, background 0.15s;
}
.site-nav a:hover { color: var(--sage); background: rgba(110,129,102,0.08); }
.nav-cta { margin-left: 0.5rem; }

/* mobile nav toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.4rem;
  color: var(--ink);
}
.nav-toggle svg { display: block; }

@media (max-width: 720px) {
  .nav-toggle { display: flex; }
  .site-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bone);
    border-bottom: 1px solid rgba(32,37,30,0.08);
    flex-direction: column;
    align-items: stretch;
    padding: 1rem clamp(1rem, 5vw, 2.5rem);
    gap: 0.25rem;
  }
  .site-nav.open { display: flex; }
  .site-nav a { padding: 0.65em 0.5em; }
  .nav-cta { margin-left: 0; margin-top: 0.5rem; }
  .nav-cta .btn { width: 100%; justify-content: center; }
}

/* ── Hero ─────────────────────────────────────────────────── */
#hero {
  background: var(--ink);
  color: var(--bone);
  padding-block: clamp(5rem, 12vw, 9rem);
  position: relative;
  overflow: hidden;
}

/* subtle two-circles motif behind hero */
#hero::before {
  content: '';
  position: absolute;
  right: -8%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(300px, 50vw, 640px);
  aspect-ratio: 1;
  border: 1px solid rgba(110,129,102,0.18);
  border-radius: 50%;
  pointer-events: none;
}
#hero::after {
  content: '';
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  width: clamp(300px, 50vw, 640px);
  aspect-ratio: 1;
  border: 1px solid rgba(110,129,102,0.12);
  border-radius: 50%;
  pointer-events: none;
}

.hero-content { position: relative; max-width: 680px; }
.hero-content .eyebrow { color: var(--sage); }
.hero-headline {
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
}
.hero-subhead {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.7;
  color: rgba(236,230,218,0.8);
  max-width: 560px;
  margin-bottom: 2.25rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* ── Section base ────────────────────────────────────────── */
section { padding-block: clamp(4rem, 9vw, 7rem); }

/* ── Who it's for ───────────────────────────────────────── */
#audience { background: var(--bone); }
.audience-intro {
  max-width: 560px;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.audience-intro p { margin-top: 1rem; font-size: 1.05rem; color: rgba(32,37,30,0.75); }

.audience-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}
.audience-card {
  background: var(--white);
  border-radius: 10px;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border: 1px solid rgba(32,37,30,0.07);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition: box-shadow 0.2s, transform 0.2s;
}
.audience-card:hover {
  box-shadow: 0 8px 32px rgba(32,37,30,0.09);
  transform: translateY(-2px);
}
.card-tag {
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
}
.card-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}
.audience-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.2;
}
.audience-card p {
  font-size: 0.95rem;
  color: rgba(32,37,30,0.7);
  line-height: 1.65;
}
.card-cta {
  margin-top: auto;
  padding-top: 0.5rem;
}
.card-cta a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--sage);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}
.card-cta a:hover { text-decoration: underline; }
.audience-bottom-cta {
  margin-top: clamp(2rem, 4vw, 3rem);
  text-align: center;
}

/* ── How it works ────────────────────────────────────────── */
#how-it-works { background: var(--ink); color: var(--bone); }
#how-it-works .eyebrow { color: var(--sage); }
#how-it-works .section-heading { color: var(--bone); }

.steps-intro { max-width: 520px; margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.steps-intro p { margin-top: 1rem; color: rgba(236,230,218,0.7); }

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
}
.step {
  position: relative;
  padding: clamp(1.5rem, 3vw, 2rem);
  border: 1px solid rgba(236,230,218,0.1);
  border-radius: 10px;
}
.step-number {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 3rem;
  color: var(--sage);
  opacity: 0.5;
  line-height: 1;
  margin-bottom: 1rem;
}
.step h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.5rem; }
.step p { font-size: 0.92rem; color: rgba(236,230,218,0.7); line-height: 1.65; }

/* ── Why Blend Theory ────────────────────────────────────── */
#why { background: var(--bone); }
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: clamp(2rem, 5vw, 3.5rem);
}
.why-item { display: flex; flex-direction: column; gap: 0.5rem; }
.why-mark {
  width: 28px;
  height: 18px;
  flex-shrink: 0;
  margin-bottom: 0.25rem;
}
.why-item h3 { font-size: 1rem; font-weight: 600; }
.why-item p { font-size: 0.92rem; color: rgba(32,37,30,0.7); line-height: 1.6; }

/* ── Pricing ─────────────────────────────────────────────── */
#pricing { background: var(--sage); color: var(--bone); }
.pricing-inner {
  max-width: 600px;
  margin-inline: auto;
  text-align: center;
}
#pricing .section-heading { color: var(--bone); }
.pricing-body {
  margin-top: 1.25rem;
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(236,230,218,0.88);
}
.pricing-body strong { color: var(--bone); font-weight: 600; }
.pricing-cta { margin-top: 2rem; }

/* ── Social proof ────────────────────────────────────────── */
#social-proof { background: var(--bone); }
/* TODO: replace placeholder content with real testimonials and partner logos */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}
.testimonial {
  background: var(--white);
  border-radius: 10px;
  padding: clamp(1.5rem, 3vw, 2rem);
  border: 1px solid rgba(32,37,30,0.07);
}
.testimonial blockquote {
  font-size: 1rem;
  line-height: 1.7;
  color: rgba(32,37,30,0.8);
  font-style: italic;
}
.testimonial cite {
  display: block;
  margin-top: 1rem;
  font-size: 0.82rem;
  font-weight: 600;
  font-style: normal;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--sage);
}
.partner-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  margin-top: clamp(2rem, 5vw, 3.5rem);
  padding-top: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid rgba(32,37,30,0.1);
}
.partner-logo-placeholder {
  height: 32px;
  background: rgba(32,37,30,0.08);
  border-radius: 4px;
  width: clamp(80px, 12vw, 120px);
}

/* ── Contact ─────────────────────────────────────────────── */
#contact { background: var(--ink); color: var(--bone); }
#contact .eyebrow { color: var(--sage); }
#contact .section-heading { color: var(--bone); }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 6vw, 5rem);
  align-items: start;
  margin-top: clamp(2rem, 5vw, 3.5rem);
}
@media (max-width: 680px) {
  .contact-grid { grid-template-columns: 1fr; }
}
.contact-intro p {
  color: rgba(236,230,218,0.75);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 1.5rem;
}
.contact-detail {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: rgba(236,230,218,0.7);
  margin-bottom: 0.6rem;
}
.contact-detail a { color: var(--sage); }

/* form */
.contact-form { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 480px) { .form-row { grid-template-columns: 1fr; } }

label {
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(236,230,218,0.7);
}
input, select, textarea {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  padding: 0.7em 0.9em;
  border-radius: var(--radius);
  border: 1px solid rgba(236,230,218,0.18);
  background: rgba(236,230,218,0.06);
  color: var(--bone);
  width: 100%;
  transition: border-color 0.15s, background 0.15s;
  -webkit-appearance: none;
}
input::placeholder, textarea::placeholder { color: rgba(236,230,218,0.35); }
input:focus, select:focus, textarea:focus {
  border-color: var(--sage);
  background: rgba(110,129,102,0.1);
  outline: none;
}
select option { background: var(--ink); color: var(--bone); }
textarea { resize: vertical; min-height: 110px; }
.field-error {
  font-size: 0.78rem;
  color: #e07070;
  display: none;
}
.field-error.visible { display: block; }

.form-submit .btn { width: 100%; justify-content: center; padding-block: 0.9em; }

.form-feedback {
  display: none;
  padding: 1rem 1.25rem;
  border-radius: var(--radius);
  font-size: 0.92rem;
  line-height: 1.5;
}
.form-feedback.success {
  background: rgba(110,129,102,0.2);
  border: 1px solid rgba(110,129,102,0.4);
  color: var(--bone);
}
.form-feedback.error {
  background: rgba(224,112,112,0.15);
  border: 1px solid rgba(224,112,112,0.4);
  color: var(--bone);
}

/* ── Footer ──────────────────────────────────────────────── */
#site-footer {
  background: rgba(32,37,30,0.97);
  color: rgba(236,230,218,0.65);
  padding-block: clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid rgba(236,230,218,0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 2rem 3rem;
  align-items: start;
}
@media (max-width: 680px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.footer-logo img { height: 56px; width: auto; filter: brightness(0) invert(1) opacity(0.7); }
.footer-logo p { margin-top: 0.6rem; font-size: 0.8rem; }

.footer-nav { display: flex; flex-wrap: wrap; gap: 0.25rem 0.5rem; }
.footer-nav a {
  font-size: 0.82rem;
  color: rgba(236,230,218,0.6);
  text-decoration: none;
  padding: 0.25em 0.5em;
  border-radius: 4px;
  transition: color 0.15s;
}
.footer-nav a:hover { color: var(--sage); }

.footer-contact { display: flex; flex-direction: column; gap: 0.4rem; }
.footer-contact a { color: rgba(236,230,218,0.6); font-size: 0.82rem; text-decoration: none; }
.footer-contact a:hover { color: var(--sage); }

.footer-bottom {
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid rgba(236,230,218,0.07);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.78rem;
}
.social-links { display: flex; gap: 0.75rem; }
.social-links a {
  color: rgba(236,230,218,0.5);
  text-decoration: none;
  font-size: 0.78rem;
  transition: color 0.15s;
}
.social-links a:hover { color: var(--sage); }