/* ===================================================
   SECTIONS.CSS — Styles for Problem, Solution, Values
   =================================================== */

/* ===== PROBLEM SECTION ===== */
.problem-section {
  background: var(--color-bg-deep);
  position: relative;
}

.problem-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-border-strong), transparent);
}

/* --- Problem Cards --- */
.pain-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.pain-card {
  padding: var(--space-xl);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

.pain-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at top left, rgba(0,212,200,0.06) 0%, transparent 60%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.pain-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.pain-card:hover::before {
  opacity: 1;
}

/* Pain card icon */
.pain-card__icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
}

.pain-card__icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pain-card__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.pain-card__text {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* ===== SOLUTION SECTION ===== */
.solution-section {
  background: var(--color-bg-dark);
  position: relative;
}

.solution-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(0, 212, 200, 0.04) 0%, transparent 70%);
  pointer-events: none;
}

/* --- The three pillars of the solution --- */
.solution-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  position: relative;
  z-index: 1;
}

.pillar {
  padding: var(--space-2xl);
  background: linear-gradient(160deg, #131f38 0%, #0f1a30 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  position: relative;
  transition: all var(--transition-slow);
  overflow: hidden;
}

.pillar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.pillar:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(0,0,0,0.5), var(--shadow-glow);
}

.pillar:hover::after {
  transform: scaleX(1);
}

/* Pillar number */
.pillar__number {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1;
  color: var(--color-accent-dim);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.3;
  margin-bottom: var(--space-md);
  transition: opacity var(--transition-base);
}

.pillar:hover .pillar__number {
  opacity: 0.7;
}

/* Pillar icon */
.pillar__icon-wrap {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-lg);
  color: var(--color-accent);
  padding: 10px;
  background: var(--color-accent-dim);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-strong);
}

.pillar__icon {
  width: 100%;
  height: 100%;
}

.pillar__title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
}

.pillar__text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
}

.pillar__text strong {
  color: var(--color-accent);
  font-weight: 600;
}

/* ===== VALUES SECTION ===== */
.values-section {
  background: var(--color-bg-deep);
  position: relative;
  overflow: hidden;
}

.values-section::before {
  content: '';
  position: absolute;
  bottom: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,200,0.05) 0%, transparent 70%);
  pointer-events: none;
}

/* --- Values Grid --- */
.value-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto;
  gap: var(--space-xl);
}

.value-card {
  padding: var(--space-xl);
  background: var(--gradient-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
}

/* Larger featured card */
.value-card--featured {
  grid-column: 1;
  grid-row: 1 / 3;
  display: flex;
  flex-direction: column;
  padding: var(--space-2xl);
  border-color: var(--color-border-strong);
  background: linear-gradient(160deg, #152038 0%, #0f1c35 100%);
}

.value-card:hover {
  border-color: var(--color-border-strong);
  transform: translateY(-5px);
  box-shadow: var(--shadow-card), var(--shadow-glow);
}

.value-card__tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  padding: 0.25rem 0.75rem;
  background: var(--color-accent-dim);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border-strong);
}

.value-card__title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.value-card--featured .value-card__title {
  font-size: 1.5rem;
}

.value-card__text {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  flex: 1;
}

.value-card__text strong {
  color: var(--color-accent);
  font-weight: 600;
}

/* Giant highlight number */
.value-card__highlight {
  margin-top: auto;
  padding-top: var(--space-xl);
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 900;
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.03em;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--color-bg-dark);
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-4xl) var(--space-2xl);
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: var(--space-3xl);
  margin-bottom: var(--space-3xl);
}

.footer__logo {
  display: flex;
  align-items: baseline;
  gap: 4px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.footer__tagline {
  font-size: 0.92rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  max-width: 340px;
  line-height: 1.6;
}

.footer__cert {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
}

.footer__contact-title {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer__contact-link {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-accent);
  transition: all var(--transition-fast);
  margin-bottom: var(--space-md);
}

.footer__contact-link:hover {
  color: var(--color-text-primary);
}

.footer__contact-link svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}

.footer__expert {
  font-size: 0.88rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.footer__expert strong {
  color: var(--color-text-primary);
}

.footer__bottom {
  padding-top: var(--space-xl);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .pain-points,
  .solution-pillars {
    grid-template-columns: 1fr;
  }

  .value-grid {
    grid-template-columns: 1fr;
  }

  .value-card--featured {
    grid-row: auto;
  }
}

@media (max-width: 768px) {
  .footer__content {
    flex-direction: column;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-sm);
  }
}