/* ============================================================
   THE SOLIS GROUP — about.css
   Page-specific styles. Extends styles.css design system.
   ============================================================ */

/* Active nav link */
.nav-active { color: var(--accent) !important; font-weight: 600 !important; }

/* ════════════════════════════════════════════
   PAGE HERO
   ════════════════════════════════════════════ */
.page-hero {
  position: relative;
  isolation: isolate;
  background: var(--surface-dark);
  min-height: 75vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Grid overlay — matches index hero */
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(oklch(95% 0.005 70 / 0.035) 1px, transparent 1px),
    linear-gradient(90deg, oklch(95% 0.005 70 / 0.035) 1px, transparent 1px);
  background-size: 72px 72px;
  z-index: 0;
  pointer-events: none;
}

.page-hero-watermark {
  position: absolute;
  right: -2%;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-size: clamp(5rem, 12vw, 11rem);
  font-weight: 800;
  color: oklch(95% 0.005 70 / 0.028);
  letter-spacing: -0.04em;
  line-height: 0.88;
  pointer-events: none;
  user-select: none;
  z-index: 1;
}

.page-hero-inner {
  flex: 1;
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
  padding: clamp(110px, 14vh, 140px) var(--sp-6) 64px;
}

.page-hero-content { max-width: 660px; }

.page-hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 5.5vw, 4.6rem);
  font-weight: 800;
  color: var(--text-on-dark);
  line-height: 1.07;
  letter-spacing: -0.025em;
  margin-bottom: var(--sp-6);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeUp 0.7s var(--ease-out) 0.22s forwards;
}

.page-hero-sub {
  font-size: clamp(0.96rem, 1.7vw, 1.08rem);
  color: var(--text-muted-dark);
  line-height: 1.8;
  margin-bottom: var(--sp-8);
  max-width: 500px;
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.7s var(--ease-out) 0.38s forwards;
}

/* Reuse hero-actions animation from styles.css */
.page-hero-content .hero-actions {
  opacity: 0;
  transform: translateY(14px);
  animation: fadeUp 0.6s var(--ease-out) 0.52s forwards;
}

/* Stats strip inherits from styles.css .hero-stats */
.page-hero .hero-stats {
  position: relative;
  z-index: 2;
  opacity: 0;
  animation: fadeUp 0.5s var(--ease-out) 0.66s forwards;
}

/* ════════════════════════════════════════════
   INTRO / STORY
   ════════════════════════════════════════════ */
.intro-section {
  padding: var(--sp-24) var(--sp-6);
  background: var(--surface-white);
}
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 80px;
  align-items: center;
}
.intro-image-col { position: relative; }
.intro-photo-placeholder {
  width: 100%;
  aspect-ratio: 4 / 5;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: oklch(88% 0.010 80);
}
.intro-photo-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  filter: blur(0.4px);
}
.intro-photo-placeholder span { display: none; }
.intro-badge {
  position: absolute;
  bottom: -16px; right: -16px;
  background: var(--accent);
  color: oklch(99% 0.003 70);
  font-family: var(--font-display);
  font-size: 0.86rem;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: var(--radius);
  letter-spacing: 0.02em;
}
.intro-p {
  font-size: 0.97rem;
  color: var(--text-secondary);
  line-height: 1.82;
  margin-bottom: var(--sp-4);
  max-width: 62ch;
}
.intro-highlights {
  margin-top: var(--sp-8);
  padding-top: var(--sp-6);
  border-top: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.intro-highlight-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text-primary);
}
.intro-highlight-item i {
  color: var(--accent);
  width: 16px;
  text-align: center;
  font-size: 0.82rem;
  flex-shrink: 0;
}

/* ════════════════════════════════════════════
   6 REASONS
   ════════════════════════════════════════════ */
.reasons-section {
  padding: var(--sp-24) var(--sp-6);
  background: var(--surface-light);
}
.reasons-header {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-12);
  align-items: end;
  margin-bottom: 52px;
  padding-bottom: 52px;
  border-bottom: 1px solid var(--border);
}
.reasons-intro {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 400px;
  align-self: end;
}

/* 2-column numbered grid, gap-line technique */
.reasons-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.reason-row {
  background: var(--surface-light);
  padding: 40px 36px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  transition: background 0.2s;
}
.reason-row:hover { background: var(--surface-white); }

.reason-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--border);
  line-height: 1;
  letter-spacing: -0.04em;
  transition: color 0.2s;
}
.reason-row:hover .reason-num { color: var(--accent); }

.reason-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.015em;
  margin-bottom: 4px;
}
.reason-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.72;
  margin-bottom: var(--sp-3);
  max-width: 52ch;
}
.reason-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.reason-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.83rem;
  color: var(--text-secondary);
  line-height: 1.5;
}
.reason-list li::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 7px;
}

/* ════════════════════════════════════════════
   COMPARISON TABLE
   ════════════════════════════════════════════ */
.compare-section {
  padding: var(--sp-24) var(--sp-6);
  background: var(--surface-white);
}
.compare-header-text {
  max-width: 680px;
  margin-bottom: 52px;
}
.compare-sub {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.72;
  margin-top: var(--sp-2);
}
.compare-table {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.compare-thead {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  background: var(--surface-dark);
}
.compare-feature-col,
.compare-us-col,
.compare-other-col {
  padding: 18px 24px;
  display: flex;
  align-items: center;
}
.compare-us-col { border-left: 1px solid var(--border-dark); }
.compare-other-col { border-left: 1px solid var(--border-dark); }

.compare-col-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.compare-col-label--us    { color: var(--accent); }
.compare-col-label--other { color: oklch(50% 0.010 255); }

.compare-row,
.compare-row--alt {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  border-top: 1px solid var(--border);
  transition: background 0.18s;
}
.compare-row--alt { background: var(--surface-light); }
.compare-row:hover { background: var(--accent-pale); }
.compare-row--alt:hover { background: oklch(92% 0.020 70); }

.compare-feature,
.compare-us,
.compare-other {
  padding: 14px 24px;
  font-size: 0.86rem;
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: 8px;
}
.compare-feature {
  font-weight: 600;
  color: var(--text-primary);
  border-right: 1px solid var(--border);
}
.compare-us {
  color: var(--text-primary);
  border-right: 1px solid var(--border);
}
.compare-us .fa-check {
  color: oklch(52% 0.14 152);
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 2px;
}
.compare-other { color: var(--text-secondary); }
.compare-other .fa-times {
  color: oklch(52% 0.16 25);
  font-size: 0.8rem;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ════════════════════════════════════════════
   PROMISE
   ════════════════════════════════════════════ */
.promise-section {
  padding: var(--sp-24) var(--sp-6);
  background: var(--surface-dark);
  border-top: 1px solid var(--border-dark);
}
.promise-inner {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-6);
}
.promise-quote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  font-weight: 500;
  color: var(--text-on-dark);
  line-height: 1.55;
  letter-spacing: -0.01em;
}
.promise-attribution {
  font-size: 0.84rem;
  color: var(--text-muted-dark);
  letter-spacing: 0.04em;
}

/* ════════════════════════════════════════════
   FAQ
   ════════════════════════════════════════════ */
.faq-section {
  padding: var(--sp-24) var(--sp-6);
  background: var(--surface-light-2);
}
.faq-header { margin-bottom: 48px; }

.faq-list {
  max-width: 800px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface-white);
}
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item:last-child { border-bottom: none; }

.faq-q {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 28px;
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  text-align: left;
  transition: background 0.18s, color 0.18s;
}
.faq-q:hover { background: var(--surface-light); }
.faq-q[aria-expanded="true"] {
  color: var(--accent);
  background: var(--accent-pale);
}
.faq-icon {
  flex-shrink: 0;
  font-size: 0.76rem;
  color: var(--accent);
  transition: transform 0.28s var(--ease-out);
}
.faq-q[aria-expanded="true"] .faq-icon { transform: rotate(45deg); }

/* Animated open/close using grid-template-rows */
.faq-a {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 0.32s var(--ease-out);
}
.faq-a.open { grid-template-rows: 1fr; }
.faq-a-inner {
  overflow: hidden;
  padding: 0 28px;
}
.faq-a.open .faq-a-inner { padding-bottom: 22px; }
.faq-a-inner p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.82;
}
.faq-a-inner strong { color: var(--text-primary); font-weight: 600; }

/* ════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .intro-grid { grid-template-columns: 1fr; gap: 56px; }
  .reasons-header { grid-template-columns: 1fr; gap: var(--sp-4); }
  .compare-thead,
  .compare-row,
  .compare-row--alt { grid-template-columns: 1fr 1fr 1fr; }
  .compare-feature { font-size: 0.82rem; }
}

@media (max-width: 768px) {
  /* Hero */
  .page-hero-inner { padding-top: 108px; padding-bottom: 52px; }
  .page-hero-watermark { display: none; }

  /* Intro */
  .intro-badge { bottom: -12px; right: 12px; }

  /* Reasons */
  .reasons-section { padding: 64px var(--sp-6); }
  .reasons-grid { grid-template-columns: 1fr; }
  .reason-row { padding: 32px 24px; }

  /* Compare */
  .compare-section { padding: 64px var(--sp-6); }
  .compare-thead,
  .compare-row,
  .compare-row--alt { grid-template-columns: 1fr; }
  .compare-feature {
    border-right: none;
    font-weight: 700;
    background: var(--surface-light-2);
  }
  .compare-us { border-right: none; }
  .compare-feature-col { display: none; }

  /* Promise */
  .promise-section { padding: 64px var(--sp-6); }

  /* FAQ */
  .faq-section { padding: 64px var(--sp-6); }
  .faq-q { padding: 18px 20px; }
  .faq-a-inner { padding: 0 20px; }
  .faq-a.open .faq-a-inner { padding-bottom: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-hero-headline,
  .page-hero-sub,
  .page-hero-content .hero-actions,
  .page-hero .hero-stats {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .faq-a { transition: none; }
}