/* ============================================
   Landing Page Styles
   ============================================ */

/* === Hero === */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: var(--sp-32) var(--sp-6) var(--sp-20);
  background-color: var(--color-primary);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}

.hero__label {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-widest);
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-6);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.2s forwards;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: var(--fw-thin);
  letter-spacing: var(--ls-wider);
  line-height: 1.1;
  margin-bottom: var(--sp-8);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.4s forwards;
}

.hero__title em {
  font-style: italic;
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: var(--fs-lg);
  font-weight: var(--fw-light);
  color: var(--color-text-on-dark);
  line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-10);
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.6s forwards;
}

.hero__cta {
  display: flex;
  gap: var(--sp-4);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  animation: fadeInUp 0.8s ease 0.8s forwards;
}

.hero__scroll {
  position: absolute;
  bottom: var(--sp-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--sp-2);
  color: rgba(245, 240, 232, 0.3);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(180deg, rgba(168,137,90,0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; height: 40px; }
  50% { opacity: 0.8; height: 60px; }
}

/* === Problem Section === */
.problems {
  padding: var(--sp-20) 0;
}

.problems__header {
  text-align: center;
  margin-bottom: var(--sp-16);
}

.problems__stat {
  font-size: var(--fs-6xl);
  font-weight: var(--fw-thin);
  color: var(--color-accent);
  letter-spacing: var(--ls-tight);
  line-height: 1;
}

.problems__stat-label {
  font-size: var(--fs-lg);
  color: var(--color-text-muted);
  margin-top: var(--sp-2);
}

/* === AI DIY Flaws === */
.flaws {
  padding: var(--sp-20) 0;
  background: var(--color-primary);
  color: var(--color-text-light);
}

.flaws__list {
  margin-top: var(--sp-10);
}

.flaw-item {
  display: flex;
  gap: var(--sp-6);
  padding: var(--sp-6) 0;
  border-bottom: 1px solid rgba(245, 240, 232, 0.08);
  align-items: flex-start;
}

.flaw-item__num {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-thin);
  color: var(--color-accent);
  min-width: 48px;
  letter-spacing: var(--ls-wide);
}

.flaw-item__title {
  font-size: var(--fs-lg);
  font-weight: var(--fw-medium);
  margin-bottom: var(--sp-2);
}

.flaw-item__desc {
  font-size: var(--fs-sm);
  color: var(--color-text-on-dark);
  line-height: var(--lh-relaxed);
}

/* === Solution Section === */
.solution {
  padding: var(--sp-20) 0;
}

/* Phase Model */
.phases {
  display: flex;
  gap: var(--sp-1);
  margin-top: var(--sp-10);
}

.phase {
  flex: 1;
  padding: var(--sp-6);
  background: white;
  border: 1px solid var(--color-border);
  position: relative;
  transition: all var(--transition-base);
}

.phase:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-md);
}

.phase--active {
  border-color: var(--color-accent);
  background: rgba(168, 137, 90, 0.04);
}

.phase--active::before {
  content: 'MVP';
  position: absolute;
  top: -10px;
  right: var(--sp-3);
  padding: 2px 8px;
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  background: var(--color-accent);
  color: var(--color-primary);
}

.phase__num {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  color: var(--color-accent);
  margin-bottom: var(--sp-3);
}

.phase__title {
  font-size: var(--fs-base);
  font-weight: var(--fw-medium);
  margin-bottom: var(--sp-3);
}

.phase__items {
  font-size: var(--fs-xs);
  color: var(--color-text-muted);
  line-height: var(--lh-relaxed);
}

.phase__connector {
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  z-index: 1;
  color: var(--color-accent);
  font-size: var(--fs-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

/* === Deliverables === */
.deliverables {
  padding: var(--sp-20) 0;
  background: var(--color-bg-warm);
}

/* === Comparison Table === */
.comparison {
  padding: var(--sp-20) 0;
}

.comparison-table {
  margin-top: var(--sp-10);
  overflow-x: auto;
}

.comparison-table table {
  min-width: 700px;
}

.comparison-table th,
.comparison-table td {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  font-size: var(--fs-sm);
  border-bottom: 1px solid var(--color-border);
}

.comparison-table th {
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-bg-warm);
  position: sticky;
  top: 0;
}

.comparison-table td:last-child {
  color: var(--color-accent);
  font-weight: var(--fw-medium);
}

.comparison-table tr:hover td {
  background: rgba(168, 137, 90, 0.04);
}

/* === CTA Section === */
.cta-section {
  padding: var(--sp-24) 0;
  text-align: center;
  background: var(--color-primary);
  color: var(--color-text-light);
}

.cta-section__quote {
  font-size: var(--fs-2xl);
  font-weight: var(--fw-thin);
  font-style: italic;
  letter-spacing: var(--ls-wide);
  max-width: 700px;
  margin: 0 auto var(--sp-10);
  line-height: var(--lh-relaxed);
  color: var(--color-text-on-dark);
}

/* === Responsive === */
@media (max-width: 1199px) {
  .phases {
    flex-wrap: wrap;
  }
  .phase {
    flex: 1 1 calc(50% - var(--sp-2));
  }
  .phase__connector { display: none; }
}

@media (max-width: 767px) {
  .hero { min-height: auto; padding: var(--sp-24) var(--sp-4) var(--sp-16); }
  .hero__title { letter-spacing: var(--ls-wide); }
  .phases { flex-direction: column; }
  .phase { flex: 1 1 100%; }
  .flaw-item { flex-direction: column; gap: var(--sp-2); }
  .flaw-item__num { min-width: auto; }
}