/**
 * LANDING.CSS — USP landing page styles for celeste7.ai
 * Editorial-argument pages for outreach. NOT blog articles. NOT product pages.
 * "Reading an industry article that happens to be on your website."
 *
 * Font system: Eloquia Display (headlines), DM Sans (body),
 * IBM Plex Mono (metadata/evidence), Cormorant Garamond (accent)
 */

/* =============================================================================
   FONT LOADING (same as blog.css)
   ============================================================================= */

@font-face {
  font-family: 'Eloquia Display';
  src: url('/fonts/Eloquia-Display-Light.woff2') format('woff2');
  font-weight: 300;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Eloquia Display';
  src: url('/fonts/Eloquia-Display-Regular.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* =============================================================================
   TEAL OVERRIDE
   ============================================================================= */

.landing-page {
  --_colors---accent: #2B7BA3;
}

/* =============================================================================
   LANDING PAGE LAYOUT — Wider than blog, editorial authority
   ============================================================================= */

.landing-page {
  background-color: var(--_colors---surface);
  min-height: 100vh;
}

.landing-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 80px);
}

.landing-container--wide {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 clamp(24px, 5vw, 80px);
}

/* =============================================================================
   LANDING HERO — Wider, more dramatic than blog header
   ============================================================================= */

.landing-hero {
  padding-top: clamp(140px, 18vw, 220px);
  padding-bottom: 64px;
  max-width: 800px;
}

.landing-hero__label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--_colors---accent);
  margin-bottom: 20px;
}

.landing-hero__title {
  font-family: 'Eloquia Display', 'Inter Tight', sans-serif;
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 300;
  line-height: 1.08;
  color: var(--_colors---text-color);
  margin: 0 0 28px 0;
  letter-spacing: -0.5px;
}

.landing-hero__lede {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 400;
  line-height: 1.65;
  color: var(--_colors---color-7);
  max-width: 680px;
}

/* =============================================================================
   LANDING BODY — Editorial text with generous whitespace
   ============================================================================= */

.landing-body {
  margin-bottom: 80px;
}

.landing-body h2 {
  font-family: 'Eloquia Display', 'Inter Tight', sans-serif;
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 400;
  line-height: 1.15;
  color: var(--_colors---text-color);
  margin: 96px 0 32px 0;
  padding-top: 48px;
  border-top: 2px solid rgba(0, 0, 0, 0.08);
}

.landing-body h2:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.landing-body h3 {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 500;
  line-height: 1.3;
  color: var(--_colors---color-8);
  margin: 48px 0 16px 0;
}

.landing-body p {
  font-family: 'DM Sans', sans-serif;
  font-size: 19px;
  font-weight: 400;
  line-height: 1.8;
  color: var(--_colors---color-8);
  margin: 0 0 28px 0;
}

.landing-body strong {
  font-weight: 500;
  color: var(--_colors---text-color);
}

.landing-body a {
  color: var(--_colors---accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 123, 163, 0.3);
  transition: border-color 150ms ease-out;
}

.landing-body a:hover {
  border-bottom-color: var(--_colors---accent);
}

/* =============================================================================
   CENTREPIECE VISUAL — The product evidence
   Full-width, elevated, the anchor of the page
   ============================================================================= */

.centrepiece {
  margin: 72px -100px;
  padding: 48px;
  background: rgba(0, 0, 0, 0.02);
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: 20px;
}

.centrepiece__label {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--_colors---accent);
  margin-bottom: 20px;
}

.centrepiece img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.10);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.centrepiece__caption {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 12px;
  font-weight: 400;
  color: var(--_colors---color-4);
  margin-top: 16px;
  line-height: 1.6;
}

/* =============================================================================
   ACCENT CALLOUT — DM Sans italic for editorial emphasis
   ============================================================================= */

.landing-body .accent-callout {
  font-family: 'DM Sans', sans-serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(24px, 2.5vw, 30px);
  line-height: 1.45;
  color: var(--_colors---color-7);
  margin: 56px 0;
  padding-left: 24px;
  border-left: 2px solid rgba(43, 123, 163, 0.25);
}

/* =============================================================================
   PULL QUOTE — DM Sans italic
   ============================================================================= */

.landing-body .pull-quote {
  font-family: 'DM Sans', sans-serif;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(22px, 2.5vw, 28px);
  line-height: 1.5;
  color: var(--_colors---color-7);
  margin: 64px 0;
  padding: 36px 0;
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  text-align: center;
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

/* =============================================================================
   SPLIT LAYOUT — Text + image side by side
   ============================================================================= */

.landing-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: start;
  margin: 64px 0;
}

.landing-split--reverse {
  direction: rtl;
}

.landing-split--reverse > * {
  direction: ltr;
}

.landing-split__text {
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--_colors---color-8);
}

.landing-split__text p {
  font-size: 17px;
  margin-bottom: 16px;
}

.landing-split__media img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  border: 1px solid rgba(0, 0, 0, 0.06);
}

/* =============================================================================
   CTA — Pilot programme, not "sign up"
   ============================================================================= */

.landing-cta {
  margin: 96px 0 80px;
  padding: 64px 0;
  border-top: 2px solid rgba(0, 0, 0, 0.08);
  text-align: center;
}

.landing-cta__heading {
  font-family: 'Eloquia Display', 'Inter Tight', sans-serif;
  font-size: clamp(24px, 3vw, 32px);
  font-weight: 300;
  color: var(--_colors---text-color);
  margin-bottom: 16px;
}

.landing-cta__text {
  font-family: 'DM Sans', sans-serif;
  font-size: 17px;
  font-weight: 400;
  color: var(--_colors---color-5);
  margin-bottom: 28px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.65;
}

.landing-cta__button {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 500;
  color: var(--_colors---text-color);
  text-decoration: none;
  padding: 14px 28px;
  border: 1px solid rgba(0, 0, 0, 0.12);
  border-radius: 9999px;
  transition: background-color 120ms ease-out;
}

.landing-cta__button:hover {
  background-color: rgba(58, 124, 157, 0.08);
}

/* =============================================================================
   DARK MODE
   ============================================================================= */

.dark-mode .landing-page {
  --_colors---accent: #5AABCC;
}

.dark-mode .landing-body p,
.dark-mode .landing-body li,
.dark-mode .landing-split__text {
  color: var(--_colors---color-8);
}

.dark-mode .landing-body strong,
.dark-mode .landing-body h2 {
  color: var(--_colors---text-color);
}

.dark-mode .landing-body h2 {
  border-top-color: rgba(255, 255, 255, 0.08);
}

.dark-mode .centrepiece {
  background: rgba(255, 255, 255, 0.02);
  border-color: rgba(255, 255, 255, 0.04);
}

.dark-mode .centrepiece img {
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.40);
  border-color: rgba(255, 255, 255, 0.06);
}

.dark-mode .landing-cta {
  border-top-color: rgba(255, 255, 255, 0.08);
}

.dark-mode .landing-cta__button {
  color: var(--_colors---text-color);
  border-color: rgba(255, 255, 255, 0.12);
}

.dark-mode .accent-callout {
  color: #5AABCC;
  border-left-color: rgba(90, 171, 204, 0.25);
}

/* =============================================================================
   RESPONSIVE
   ============================================================================= */

@media screen and (max-width: 991px) {
  .landing-container { max-width: 728px; }
  .landing-container--wide { max-width: 900px; }
  .centrepiece { margin: 48px -40px; padding: 32px; }
}

@media screen and (max-width: 767px) {
  .landing-container,
  .landing-container--wide { max-width: none; }
  .landing-hero { padding-top: 120px; }
  .landing-split { grid-template-columns: 1fr; gap: 24px; }
  .landing-split--reverse { direction: ltr; }
  .centrepiece { margin: 32px -16px; padding: 20px; }
  .landing-body p { font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  .landing-page * {
    transition: none !important;
  }
}