/**
 * AI Velocity Trading — Homepage Redesign Prototype
 * css/homepage-redesign.css
 *
 * Scope: index.html (live homepage) and homepage-redesign.html (prototype).
 * Do NOT load on any other page.
 *
 * CTA Burnt Orange override: #C0703A (redesign brand guide)
 * All new classes prefixed .hr- to avoid conflicts with shared CSS.
 */

/* ================================================================
   PAGE BASE
   ================================================================ */

body {
  background-color: #040911;
  color: #ffffff;
}

/* ================================================================
   SHARED SECTION WRAPPER
   ================================================================ */

.hr-wrap {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 2rem;
  padding-right: 2rem;
  box-sizing: border-box;
}

/* ================================================================
   EYEBROWS  — IBM Plex Mono, Cobalt, all-caps
   ================================================================ */

.hr-eyebrow {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #2A5CB3;
  margin-bottom: 0.875rem;
}

/* ================================================================
   FINE RULE  — Cobalt at ~20 % opacity
   ================================================================ */

.hr-rule {
  border: none;
  border-top: 1px solid rgba(42, 92, 179, 0.20);
  margin: 0;
}

/* ================================================================
   HERO — uses shared .hero classes from ai-velocity.css exactly
   ================================================================ */

/* No overrides needed — hero formatting is identical to index.html */

/* ================================================================
   OUR APPROACH
   ================================================================ */

.hr-approach {
  padding: 4.5rem 0;
  background-color: #040911;
  border-top: 1px solid rgba(42, 92, 179, 0.15);
}

.hr-approach-header {
  margin-bottom: 2.25rem;
  text-align: center;
}

.hr-approach-heading {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: clamp(1.5rem, 2.4vw, 2.125rem);
  font-weight: 600;
  color: #ffffff;
  margin: 0 auto 0.875rem auto;
  letter-spacing: -0.01em;
  line-height: 1.2;
  max-width: 36ch;
  text-align: center;
}

.hr-approach-intro {
  font-family: 'Inter', 'IBM Plex Sans', sans-serif;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: #B8BCC4;
  max-width: 60ch;
  margin: 0 auto;
}

.hr-approach-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 3.5rem;
}

.hr-approach-col {
  border-top: 1px solid rgba(42, 92, 179, 0.22);
  padding-top: 1.5rem;
}

.hr-approach-num {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #2A5CB3;
  margin-bottom: 0.875rem;
}

.hr-approach-col-heading {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: 1.175rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 1rem 0;
  line-height: 1.3;
}

.hr-approach-col-body {
  font-family: 'Inter', 'IBM Plex Sans', sans-serif;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: #B8BCC4;
  margin: 0;
}

/* ================================================================
   THE PLATFORM
   ================================================================ */

.hr-platform {
  padding: 4.5rem 0;
  background-color: #0B1D3A;
  border-top: 1px solid rgba(42, 92, 179, 0.15);
  border-bottom: 1px solid rgba(42, 92, 179, 0.15);
}

.hr-platform-header {
  margin-bottom: 2.25rem;
  text-align: center;
}

.hr-platform-heading {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: clamp(1.5rem, 2.4vw, 2.125rem);
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 0.875rem 0;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.hr-platform-intro {
  font-family: 'Inter', 'IBM Plex Sans', sans-serif;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: #B8BCC4;
  max-width: 56ch;
  margin: 0 auto;
}

/* ── Desktop: three-column side-by-side composition ── */

.hr-platform-items {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
}

/* Each column: top fine rule, padding, position:relative for the image bg */
.hr-platform-item {
  position: relative;
  border-top: 1px solid rgba(42, 92, 179, 0.22);
  padding: 1.75rem 2rem 1.75rem 0;
  overflow: hidden;
}

/* Right-side dividers between the three columns */
.hr-platform-item:not(:last-child) {
  border-right: 1px solid rgba(42, 92, 179, 0.14);
  padding-right: 2rem;
}

.hr-platform-item:not(:first-child) {
  padding-left: 2rem;
}

.hr-platform-num {
  display: block;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #2A5CB3;
  margin-bottom: 0.875rem;
}

/* Item body is now a simple block — number sits above heading in the column */
.hr-platform-item-body {
  position: relative;
  z-index: 2;
}

.hr-platform-item-text {
  /* full column width */
}

.hr-platform-item-heading {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 0.625rem 0;
  line-height: 1.3;
}

.hr-platform-item-copy {
  font-family: 'Inter', 'IBM Plex Sans', sans-serif;
  font-size: 0.875rem;
  line-height: 1.72;
  color: #B8BCC4;
  margin: 0;
}

/* Column 3: give it a minimum height so the background image has room */
.hr-platform-item--has-img {
  min-height: 180px;
}


.hr-platform-img-wrap {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 1;
}

.hr-platform-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  opacity: 0.32;
}

/* Fade image into the navy panel on all edges */
.hr-platform-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, #0B1D3A 0%, rgba(11, 29, 58, 0.75) 22%, rgba(11, 29, 58, 0.20) 60%, rgba(11, 29, 58, 0.55) 100%),
    linear-gradient(to top, #0B1D3A 0%, rgba(11, 29, 58, 0.55) 22%, transparent 50%),
    linear-gradient(to bottom, rgba(11, 29, 58, 0.30) 0%, transparent 30%);
}

/* ================================================================
   SPLIT SECTIONS — THE PLATFORM (card) / THE COMMUNITY
   Lead column (eyebrow, heading, intro) | fine divider | detail column
   ================================================================ */

.hr-split-section {
  padding: 4rem 0;
  background-color: #040911;
}

.hr-community {
  border-top: 1px solid rgba(42, 92, 179, 0.12);
}

.hr-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.25fr);
  align-items: center;
}

.hr-split--card {
  background: linear-gradient(180deg, #0F1F3D 0%, #0B1D3A 100%);
  border: 1px solid rgba(42, 92, 179, 0.22);
  border-radius: 16px;
  padding: 2.75rem 0;
}

.hr-split-lead {
  padding: 0 3rem;
}

.hr-split-detail {
  padding: 0 3rem;
  border-left: 1px solid rgba(42, 92, 179, 0.18);
}

.hr-split-heading {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: clamp(1.625rem, 2.6vw, 2.25rem);
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 1.25rem 0;
  letter-spacing: -0.01em;
  line-height: 1.2;
}

.hr-split-heading--lg {
  font-size: clamp(2rem, 3.4vw, 2.875rem);
}

.hr-split-intro {
  font-family: 'Inter', 'IBM Plex Sans', sans-serif;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: #B8BCC4;
  margin: 0;
  max-width: 44ch;
}

.hr-feature-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.hr-feature {
  padding: 1.1rem 0;
}

.hr-feature:first-child {
  padding-top: 0;
}

.hr-feature:last-child {
  padding-bottom: 0;
}

.hr-feature:not(:last-child) {
  border-bottom: 1px solid rgba(42, 92, 179, 0.18);
}

.hr-feature-heading {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 0.4rem 0;
  line-height: 1.3;
}

.hr-feature-copy {
  font-family: 'Inter', 'IBM Plex Sans', sans-serif;
  font-size: 0.875rem;
  line-height: 1.72;
  color: #B8BCC4;
  margin: 0;
}

.hr-community-heading {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: 1.375rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 1rem 0;
  line-height: 1.3;
}

.hr-community-copy {
  font-family: 'Inter', 'IBM Plex Sans', sans-serif;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #B8BCC4;
  margin: 0 0 1.75rem 0;
  max-width: 58ch;
}

/* ================================================================
   ALPACA API INTEGRATION
   ================================================================ */

.hr-alpaca-section {
  padding: 3rem 0 2.5rem;
  background-color: #040911;
}

.hr-alpaca-rule {
  margin-bottom: 2rem;
}

.hr-alpaca-inner {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0 3rem;
  align-items: center;
}

.hr-alpaca-logo-col {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1rem;
  padding-top: 0.3rem;
}

.hr-alpaca-logo {
  height: 30px;
  width: auto;
  display: block;
  opacity: 0.88;
}

.hr-alpaca-heading {
  font-family: 'IBM Plex Serif', Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: #ffffff;
  margin: 0 0 1rem 0;
  line-height: 1.3;
}

.hr-alpaca-body {
  font-family: 'Inter', 'IBM Plex Sans', sans-serif;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: #B8BCC4;
  margin: 0 0 0.875rem 0;
  max-width: 66ch;
}

.hr-alpaca-link {
  color: #5B8DEE;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hr-alpaca-link:hover {
  color: #ffffff;
}

.hr-alpaca-disclosure {
  font-family: 'Inter', 'IBM Plex Sans', sans-serif;
  font-size: 0.78rem;
  line-height: 1.65;
  color: #A0ABBE;
  margin: 0;
  max-width: 66ch;
}

/* ================================================================
   BRAND CLOSE
   ================================================================ */

.hr-brand-close {
  padding: 1.75rem 0;
  background-color: #040911;
  border-top: 1px solid rgba(42, 92, 179, 0.12);
  text-align: center;
}

.hr-brand-close-tagline {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.875rem;
  font-weight: 400;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: #2A5CB3;
  margin: 0;
}

/* ================================================================
   NUDGE TOAST STYLES (mirrors index.html auth-gated behavior)
   ================================================================ */

.connect-nudge {
  position: fixed;
  bottom: 1.75rem;
  right: 1.75rem;
  z-index: 9000;
  max-width: 340px;
  background: #0D1525;
  border: 1px solid rgba(42, 92, 179, 0.55);
  border-radius: 16px;
  padding: 1.1rem 1.25rem;
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(42, 92, 179, 0.12);
  display: flex;
  gap: 0.85rem;
  align-items: flex-start;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.35s ease, transform 0.35s ease;
  pointer-events: none;
}

.connect-nudge.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.connect-nudge.hiding {
  opacity: 0;
  transform: translateY(16px);
}

.nudge-icon {
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #1e4a9a, #2A5CB3);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.nudge-icon svg {
  width: 18px;
  height: 18px;
  color: #fff;
}

.nudge-body {
  flex: 1;
  min-width: 0;
}

.nudge-title {
  font-family: 'IBM Plex Serif', serif;
  font-size: 0.92rem;
  font-weight: 600;
  color: #ffffff;
  margin-bottom: 0.2rem;
}

.nudge-desc {
  font-size: 0.78rem;
  color: #A0ABBE;
  line-height: 1.5;
  margin-bottom: 0.65rem;
}

.nudge-btn {
  background: linear-gradient(135deg, #1e4a9a, #2A5CB3);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 0.45rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  font-family: 'Inter', sans-serif;
  cursor: pointer;
  box-shadow: 0 3px 10px rgba(42, 92, 179, 0.35);
  transition: opacity 0.2s;
}

.nudge-btn:hover {
  opacity: 0.88;
}

.nudge-close {
  flex-shrink: 0;
  background: none;
  border: none;
  color: #A0ABBE;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  padding: 0.1rem;
  transition: color 0.2s;
}

.nudge-close:hover {
  color: #ffffff;
}

@media (max-width: 520px) {
  .connect-nudge {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    max-width: none;
  }
}

/* ================================================================
   RESPONSIVE — TABLET (≤ 1024px)
   ================================================================ */

@media (max-width: 1024px) {
  .hr-hero-inner {
    grid-template-columns: 1fr;
    padding: 4rem 2rem 3rem;
    gap: 0;
    align-items: start;
  }

  /* .hr-hero-visual removed — no screenshot in hero */
  .hr-hero-body {
    max-width: 60ch;
  }

  .hr-approach-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .hr-approach-col {
    padding-bottom: 1.75rem;
  }

  /* Platform: 2 columns on tablet, third wraps below */
  .hr-platform-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }

  .hr-platform-item:not(:first-child) {
    padding-left: 1.5rem;
  }

  .hr-platform-item:not(:last-child) {
    padding-right: 1.5rem;
  }

  /* Third item spans both columns on tablet */
  .hr-platform-item:last-child {
    grid-column: 1 / -1;
    border-right: none;
    padding-left: 0;
    padding-right: 0;
    min-height: 120px;
  }

  .hr-alpaca-inner {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hr-split {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .hr-split-detail {
    border-left: none;
    border-top: 1px solid rgba(42, 92, 179, 0.18);
    padding-top: 2rem;
  }
}

/* ================================================================
   RESPONSIVE — MOBILE (≤ 768px)
   ================================================================ */

@media (max-width: 768px) {
  .hr-wrap {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .hr-hero-inner {
    padding: 3.5rem 1.25rem 2.75rem;
  }

  .hr-hero-title {
    font-size: 1.875rem;
  }

  .hr-hero-bridge {
    font-size: 1rem;
  }

  .hr-approach {
    padding: 3.5rem 0;
  }

  .hr-approach-heading,
  .hr-platform-heading {
    font-size: 1.625rem;
  }

  .hr-platform {
    padding: 3.5rem 0;
  }

  /* Platform: single column on mobile */
  .hr-platform-items {
    grid-template-columns: 1fr;
  }

  .hr-platform-item {
    border-right: none !important;
    padding-left: 0 !important;
    padding-right: 0 !important;
    padding: 1.5rem 0;
  }

  .hr-platform-item:last-child {
    grid-column: auto;
    min-height: auto;
  }

  /* Hide the image bg on mobile — too distracting at narrow widths */
  .hr-platform-img-wrap {
    display: none;
  }

  .hr-alpaca-section {
    padding: 2.75rem 0 2.25rem;
  }

  .hr-split-section {
    padding: 3rem 0;
  }

  .hr-split--card {
    padding: 2rem 0;
  }

  .hr-split-lead,
  .hr-split-detail {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }

  .hr-community .hr-split-lead,
  .hr-community .hr-split-detail {
    padding-left: 0;
    padding-right: 0;
  }

  .hr-brand-close {
    padding: 1.25rem 0;
  }
}

/* ================================================================
   RESPONSIVE — SMALL MOBILE (≤ 480px)
   ================================================================ */

@media (max-width: 480px) {
  .hr-hero-inner {
    padding: 3rem 1.25rem 2.25rem;
  }

  .hr-hero-title {
    font-size: 1.75rem;
    letter-spacing: -0.015em;
  }

  .hr-hero-tags {
    margin-bottom: 1rem;
  }

  .hr-hero-body {
    font-size: 0.9375rem;
    margin-bottom: 1.75rem;
  }

  .hr-approach {
    padding: 3rem 0;
  }

  .hr-platform {
    padding: 3rem 0;
  }

  .hr-approach-heading,
  .hr-platform-heading {
    font-size: 1.5rem;
  }

  .hr-alpaca-section {
    padding: 2.25rem 0 1.75rem;
  }

  .hr-brand-close {
    padding: 1rem 0;
  }
}

/* ================================================================
   PREVENT HORIZONTAL OVERFLOW
   ================================================================ */

.hr-hero,
.hr-approach,
.hr-platform,
.hr-split-section,
.hr-alpaca-section,
.hr-brand-close {
  overflow-x: hidden;
}