/* ============================================
   HOME PAGE STYLES
   carbotrace.in | css/pages/home.css
   ============================================ */


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

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: linear-gradient(160deg, var(--color-secondary) 0%, #0A2A18 55%, var(--color-primary-dark) 100%);
  overflow: hidden;
  padding-top: 96px; /* nav offset */
}

/* Subtle grid overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(200, 168, 75, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(200, 168, 75, 0.04) 1px, transparent 1px);
  background-size: 72px 72px;
  pointer-events: none;
}

/* Radial glow */
.hero::after {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 70%;
  height: 80%;
  background: radial-gradient(ellipse at center, rgba(10, 92, 54, 0.35) 0%, transparent 65%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
  padding-block: var(--space-20);
}

.hero__badge {
  margin-bottom: var(--space-6);
}

.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.5vw, 4.5rem);
  line-height: var(--leading-tight);
  color: var(--color-text-inverse);
  letter-spacing: var(--tracking-tight);
  max-width: 820px;
  margin-bottom: var(--space-6);
}

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

.hero__subtitle {
  font-size: var(--text-xl);
  color: rgba(255 255 255 / 0.7);
  max-width: 640px;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-10);
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  align-items: center;
}

.hero__scroll-cue {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255 255 255 / 0.3);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  animation: bounce 2s ease-in-out infinite;
}

.hero__scroll-cue svg {
  display: block;
  margin: 0 auto;
}

@keyframes bounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(6px); }
}

@media (max-width: 768px) {
  .hero {
    min-height: auto;
    padding-top: 80px;
  }

  .hero__inner {
    padding-block: var(--space-16);
  }

  .hero__subtitle {
    font-size: var(--text-lg);
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__scroll-cue {
    display: none;
  }
}


/* ================================================================== */
/*  URGENCY BAR                                                        */
/* ================================================================== */

.urgency-bar {
  background-color: var(--color-secondary);
  border-bottom: 1px solid rgba(255 255 255 / 0.08);
  overflow: hidden;
}

.urgency-bar__inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  max-width: var(--container-max);
  margin-inline: auto;
}

.urgency-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-right: 1px solid rgba(255 255 255 / 0.08);
}

.urgency-item:last-child {
  border-right: none;
}

.urgency-item__dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.urgency-item__dot--active  { background: var(--color-success); box-shadow: 0 0 6px var(--color-success); }
.urgency-item__dot--urgent  { background: var(--color-warning); box-shadow: 0 0 6px var(--color-warning); animation: pulse 1.5s ease-in-out infinite; }
.urgency-item__dot--future  { background: rgba(255 255 255 / 0.2); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

.urgency-item__label {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  color: rgba(255 255 255 / 0.4);
  display: block;
}

.urgency-item__value {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: rgba(255 255 255 / 0.85);
  display: block;
  margin-top: 2px;
}

.urgency-item--urgent .urgency-item__value {
  color: #FBBF24;
}

@media (max-width: 768px) {
  .urgency-bar__inner {
    grid-template-columns: 1fr;
  }

  .urgency-item {
    border-right: none;
    border-bottom: 1px solid rgba(255 255 255 / 0.08);
    padding: var(--space-3) var(--space-4);
  }

  .urgency-item:last-child {
    border-bottom: none;
  }
}


/* ================================================================== */
/*  PROBLEM SECTION                                                    */
/* ================================================================== */

.problem-section {
  background: var(--color-surface);
}

.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
  align-items: start;
}

.problem-card {
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  height: 100%;
}

.problem-card--eu {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
}

.problem-card--india {
  background: linear-gradient(135deg, #0A2A18 0%, var(--color-secondary) 100%);
  color: var(--color-text-inverse);
}

.problem-card__eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.problem-card__flag {
  font-size: var(--text-2xl);
  line-height: 1;
}

.problem-card__tag {
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.problem-card--eu .problem-card__tag {
  color: var(--color-text-muted);
}

.problem-card--india .problem-card__tag {
  color: rgba(255 255 255 / 0.5);
}

.problem-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  margin-bottom: var(--space-5);
}

.problem-card--eu .problem-card__title {
  color: var(--color-text);
}

.problem-card--india .problem-card__title {
  color: var(--color-text-inverse);
}

.problem-card__body {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-6);
}

.problem-card--eu .problem-card__body {
  color: var(--color-text-muted);
}

.problem-card--india .problem-card__body {
  color: rgba(255 255 255 / 0.65);
}

.problem-card__callout {
  display: flex;
  gap: var(--space-4);
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  margin-top: var(--space-6);
}

.problem-card--eu .problem-card__callout {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
}

.problem-card--india .problem-card__callout {
  background: rgba(200, 168, 75, 0.1);
  border: 1px solid rgba(200, 168, 75, 0.2);
}

.problem-card__callout-num {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  line-height: 1;
  flex-shrink: 0;
}

.problem-card--eu .problem-card__callout-num {
  color: var(--color-primary);
}

.problem-card--india .problem-card__callout-num {
  color: var(--color-accent);
}

.problem-card__callout-desc {
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.problem-card--eu .problem-card__callout-desc {
  color: var(--color-text-muted);
}

.problem-card--india .problem-card__callout-desc {
  color: rgba(255 255 255 / 0.6);
}

@media (max-width: 900px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .problem-card {
    padding: var(--space-6);
  }
}


/* ================================================================== */
/*  SERVICES GRID (homepage overview)                                  */
/* ================================================================== */

.services-section {
  background: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  transition:
    box-shadow var(--transition-base),
    transform var(--transition-base);
  text-decoration: none;
  color: inherit;
}

.service-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-3px);
  border-color: var(--color-primary);
}

.service-card:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.service-card__icon--green   { background: rgba(10, 92, 54, 0.1); color: var(--color-primary); }
.service-card__icon--gold    { background: rgba(200, 168, 75, 0.12); color: var(--color-accent-dark); }
.service-card__icon--blue    { background: rgba(37, 99, 235, 0.1); color: var(--color-info); }
.service-card__icon--navy    { background: rgba(13, 27, 42, 0.08); color: var(--color-secondary); }

.service-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-text);
  line-height: var(--leading-snug);
}

.service-card__body {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.service-card__cta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-primary);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  margin-top: auto;
}

.service-card:hover .service-card__cta svg {
  transform: translateX(4px);
}

.service-card__cta svg {
  transition: transform var(--transition-fast);
}

@media (max-width: 768px) {
  .services-grid {
    grid-template-columns: 1fr;
  }
}


/* ================================================================== */
/*  DIFFERENTIATORS                                                    */
/* ================================================================== */

.diff-section {
  background: var(--color-secondary);
}

.diff-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.diff-card {
  padding: var(--space-8);
  border: 1px solid rgba(255 255 255 / 0.08);
  border-radius: var(--radius-xl);
  background: rgba(255 255 255 / 0.03);
  transition: background var(--transition-base);
}

.diff-card:hover {
  background: rgba(255 255 255 / 0.06);
}

.diff-card__num {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  color: rgba(200, 168, 75, 0.2);
  line-height: 1;
  margin-bottom: var(--space-3);
}

.diff-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  color: var(--color-text-inverse);
  margin-bottom: var(--space-4);
}

.diff-card__body {
  font-size: var(--text-base);
  color: rgba(255 255 255 / 0.6);
  line-height: var(--leading-relaxed);
}

@media (max-width: 768px) {
  .diff-grid {
    grid-template-columns: 1fr;
  }
}


/* ================================================================== */
/*  STATS BAND                                                         */
/* ================================================================== */

.stats-section {
  background: var(--color-bg);
  padding-block: var(--space-20);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  text-align: center;
}

.stat-card {
  padding: var(--space-8) var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
}

.stat-card__num {
  font-family: var(--font-heading);
  font-size: var(--text-5xl);
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-card__num--accent {
  color: var(--color-accent-dark);
}

.stat-card__num--urgent {
  color: var(--color-error);
}

.stat-card__label {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text);
  margin-bottom: var(--space-2);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}

.stat-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

@media (max-width: 900px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
}


/* ================================================================== */
/*  WHO WE SERVE                                                       */
/* ================================================================== */

.serve-section {
  background: var(--color-surface);
}

.serve-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6);
}

.serve-card {
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.serve-card--light {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
}

.serve-card--dark {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #0A2A18 100%);
}

.serve-card__icon {
  font-size: 2.5rem;
  line-height: 1;
}

.serve-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  line-height: var(--leading-snug);
}

.serve-card--light .serve-card__title {
  color: var(--color-text);
}

.serve-card--dark .serve-card__title {
  color: var(--color-text-inverse);
}

.serve-card__body {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.serve-card--light .serve-card__body {
  color: var(--color-text-muted);
}

.serve-card--dark .serve-card__body {
  color: rgba(255 255 255 / 0.65);
}

@media (max-width: 768px) {
  .serve-grid {
    grid-template-columns: 1fr;
  }

  .serve-card {
    padding: var(--space-6);
  }
}