/* ============================================================
   TELANGANA SEO — Homepage Styles
   Depends on: tokens.css, base.css, components.css
   ============================================================ */

/* ============================================================
   HERO SECTION
============================================================ */

.hero {
  padding-top: calc(68px + var(--space-16)); /* nav height + extra */
  padding-bottom: var(--space-20);
  position: relative;
  overflow: hidden;
}

/* Subtle background texture */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(59,111,165,0.06) 0%, transparent 70%),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(242,140,26,0.05) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__content { max-width: 620px; }

.hero__headline {
  font-size: clamp(var(--text-4xl), 5vw, var(--text-6xl));
  font-weight: var(--weight-bold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
  color: var(--color-brand-900);
  margin-bottom: var(--space-6);
}

.hero__headline-accent {
  font-style: italic;
  color: var(--color-accent-500);
}

.hero__sub {
  font-size: var(--text-lg);
  color: var(--color-neutral-500);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 520px;
}

.hero__actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-10);
}

/* Stat bar */
.hero__stats {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  padding: var(--space-5) var(--space-6);
  background: var(--surface-card);
  border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-xl);
  width: fit-content;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero__stat-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  color: var(--color-brand-900);
  line-height: 1;
}

.hero__stat-number em {
  font-style: normal;
  color: var(--color-accent-500);
  font-size: 0.75em;
}

.hero__stat-label {
  font-size: var(--text-xs);
  color: var(--color-neutral-500);
  margin-top: var(--space-1);
  white-space: nowrap;
}

.hero__stat-divider {
  width: 1px;
  height: 36px;
  background: var(--color-neutral-300);
  flex-shrink: 0;
}

/* Hero visual */
.hero__visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero__visual-inner {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  border: 1px solid var(--color-neutral-300);
  box-shadow: var(--shadow-xl);
}

.hero__visual-placeholder {
  width: 100%;
  height: 100%;
  background: var(--color-brand-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  font-style: italic;
}

@media (max-width: 1024px) {
  .hero__inner { grid-template-columns: 1fr; }
  .hero__visual { display: none; }
  .hero__stats { flex-wrap: wrap; gap: var(--space-4); }
}

@media (max-width: 640px) {
  .hero__actions { flex-direction: column; }
  .hero__actions .btn { width: 100%; justify-content: center; }
}


/* ============================================================
   PROBLEM CARDS
============================================================ */

.card--problem {
  border-top: 3px solid transparent;
  transition: all var(--duration-base) var(--ease-out);
}
.card--problem:hover { border-top-color: var(--color-accent-500); }

.card--problem .card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent-50);
  border-radius: var(--radius-lg);
  color: var(--color-accent-600);
  margin-bottom: var(--space-4);
}

.card--problem .card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-brand-900);
  margin-bottom: var(--space-3);
}

.card--problem .card__body {
  font-size: var(--text-sm);
  color: var(--color-neutral-500);
  line-height: var(--leading-relaxed);
}


/* ============================================================
   SERVICE CARDS — featured variant
============================================================ */

.card--featured {
  border: 1.5px solid var(--color-accent-400);
  background: linear-gradient(135deg, var(--color-accent-50) 0%, var(--surface-card) 60%);
}
.card--featured:hover { border-color: var(--color-accent-500); }

.card--featured .card__icon {
  background: var(--color-accent-100);
  color: var(--color-accent-600);
}


/* ============================================================
   INDUSTRIES GRID
============================================================ */

.industries-grid {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
}


/* ============================================================
   CASE STUDY CARDS (dark bg override)
============================================================ */

.section--dark .card--case {
  background: var(--surface-dark-card);
  border-color: rgba(255,255,255,0.1);
}
.section--dark .card--case:hover {
  border-color: var(--color-accent-400);
  background: var(--surface-dark-raised);
}
.section--dark .card--case .card__metric { color: #fff; }
.section--dark .card--case .card__title  { color: rgba(255,255,255,0.85); }
.section--dark .card--case .card__meta   { color: rgba(255,255,255,0.45); }


/* ============================================================
   CTA SECTION
============================================================ */

.cta-section {
  background: var(--surface-dark);
}

.cta-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}

.cta-block__content h2 {
  color: #fff;
  margin-bottom: var(--space-4);
}

.cta-block__content p {
  color: rgba(255,255,255,0.65);
  font-size: var(--text-lg);
  max-width: 42ch;
  margin-bottom: var(--space-6);
}

.cta-block__checklist {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.cta-block__checklist li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.7);
}

.cta-block__checklist li::before {
  content: '';
  display: block;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  background: var(--color-accent-500);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' fill='none'%3E%3Cpath d='M2 6l3 3 5-5' stroke='%23fff' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
}

.cta-block__form {
  background: var(--surface-card);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-xl);
}

@media (max-width: 900px) {
  .cta-block { grid-template-columns: 1fr; gap: var(--space-10); }
}


/* ============================================================
   FOOTER GRID
============================================================ */

.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--space-10);
}

@media (max-width: 1024px) {
  .footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
  .footer__grid { grid-template-columns: 1fr; }
}


/* ============================================================
   ANIMATIONS
   Triggered by IntersectionObserver via JS
============================================================ */

.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity var(--duration-slower) var(--ease-out),
    transform var(--duration-slower) var(--ease-out);
}

.fade-up.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity var(--duration-slow) var(--ease-out),
    transform var(--duration-slow) var(--ease-out);
}

.stagger-children.is-visible > *:nth-child(1) { opacity:1; transform:none; transition-delay:0ms; }
.stagger-children.is-visible > *:nth-child(2) { opacity:1; transform:none; transition-delay:80ms; }
.stagger-children.is-visible > *:nth-child(3) { opacity:1; transform:none; transition-delay:160ms; }
.stagger-children.is-visible > *:nth-child(4) { opacity:1; transform:none; transition-delay:240ms; }
.stagger-children.is-visible > *:nth-child(5) { opacity:1; transform:none; transition-delay:320ms; }
.stagger-children.is-visible > *:nth-child(6) { opacity:1; transform:none; transition-delay:400ms; }

@media (prefers-reduced-motion: reduce) {
  .fade-up, .stagger-children > * { opacity: 1; transform: none; transition: none; }
}