/* ============================================================
   About Page — TropiCanna Water v2
   ============================================================ */

.nav-link--active {
  color: var(--white) !important;
  border-bottom: 1.5px solid rgba(255,255,255,0.6);
  padding-bottom: 2px;
}

/* ============================================================
   SHARED
   ============================================================ */

.about-chapter-num {
  display: block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 0.85rem;
}

.about-chapter-num--center {
  text-align: center;
}

.about-chapter-num--light {
  color: rgba(255,255,255,0.4);
}

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

.about-hero {
  min-height: 100vh;
  background-image: url('images/Background 1 (Light Green).png');
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 7vw 6rem;
  text-align: center;
}

.about-hero-content {
  max-width: 620px;
}

.about-hero-title {
  font-size: clamp(2.8rem, 5.5vw, 5rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  margin-bottom: 2rem;
}

.about-hero-line {
  font-size: clamp(1.1rem, 1.6vw, 1.3rem);
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.about-hero-cta {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  margin-top: 2.5rem;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-dark);
  text-decoration: none;
  text-transform: uppercase;
  transition: opacity 0.2s;
}

.about-hero-cta:hover { opacity: 0.65; }

.about-hero-arrow {
  font-size: 1.3rem;
  animation: aboutBounce 1.8s infinite;
}

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

/* ============================================================
   01 — THE SHIFT (image left, text right)
   ============================================================ */

.about-chapter {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 60vh;
}

.about-chapter-img {
  overflow: hidden;
}

.about-chapter-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-chapter-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 6vw;
  background: var(--forest-mid);
}

.about-chapter-body .about-chapter-num {
  color: rgba(255,255,255,0.5);
}

.about-chapter-title {
  font-size: clamp(1.8rem, 2.8vw, 2.8rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.about-chapter-text {
  font-size: clamp(1.1rem, 1.4vw, 1.2rem);
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  margin-bottom: 0.85rem;
}

.about-chapter-text:last-child { margin-bottom: 0; }

/* ============================================================
   02 — THE APPROACH (centred text + full-width image)
   ============================================================ */

.about-approach {
  background: #c8dcc6;
  padding: 6rem 7vw;
}

.about-approach-text {
  max-width: 720px;
  margin: 0 auto 3.5rem;
  text-align: center;
}

.about-approach .about-chapter-num--center {
  color: var(--forest-mid);
  opacity: 0.7;
}

.about-approach-title {
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.about-approach-body {
  font-size: clamp(1.1rem, 1.4vw, 1.2rem);
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.8;
}

.about-approach-img {
  border-radius: 12px;
  overflow: hidden;
  max-height: 480px;
}

.about-approach-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ============================================================
   03 — THE ENGINEERING (dark green, 3 pillars)
   ============================================================ */

.about-engineering {
  background: var(--forest);
  padding: 6rem 7vw;
}

.about-engineering-inner {
  max-width: 960px;
  margin: 0 auto;
}

.about-engineering-title {
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 1.25rem;
  text-align: center;
}

.about-engineering-body {
  font-size: clamp(1.1rem, 1.4vw, 1.2rem);
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  line-height: 1.8;
  text-align: center;
  max-width: 640px;
  margin: 0 auto 4rem;
}

.about-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem;
}

.about-pillar {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 1.75rem;
}

.about-pillar-num {
  display: block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: rgba(255,255,255,0.55);
  margin-bottom: 0.75rem;
}

.about-pillar-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 0.7rem;
}

.about-pillar-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: rgba(255,255,255,0.85);
  line-height: 1.75;
}

/* ============================================================
   04 — THE JOURNEY (text left, image right)
   ============================================================ */

.about-journey {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 60vh;
  background: var(--cream);
}

.about-journey-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 5rem 5vw 5rem 7vw;
}

.about-journey-body .about-chapter-title {
  color: var(--text-dark);
}

.about-journey-img {
  overflow: hidden;
}

.about-journey-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-journey-steps {
  list-style: none;
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0;
}

.about-journey-step {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  position: relative;
}

/* vertical line between dots */
.about-journey-step:not(:last-child)::before {
  content: '';
  position: absolute;
  left: 4.5px;
  top: 14px;
  width: 1px;
  bottom: -2rem;
  background: var(--sage);
  opacity: 0.5;
}

.about-journey-step:not(:last-child) {
  padding-bottom: 2rem;
}

.about-journey-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sage);
  flex-shrink: 0;
  margin-top: 0.4rem;
  position: relative;
  z-index: 1;
}

.about-journey-step strong {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 0.4rem;
}

.about-journey-step p {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.75;
}

/* ============================================================
   05 — THE ARRIVAL
   ============================================================ */

.about-arrival {
  background: #c8dcc6;
  padding: 7rem 7vw;
  display: flex;
  justify-content: center;
}

.about-arrival-inner {
  max-width: 680px;
  text-align: center;
}

.about-arrival-title {
  font-size: clamp(2rem, 3.2vw, 3rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-dark);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.about-arrival-body {
  font-size: clamp(1.05rem, 1.5vw, 1.2rem);
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.8;
}

.about-arrival-body strong {
  color: var(--text-dark);
}

/* ============================================================
   CLOSING
   ============================================================ */

.about-closing {
  background: var(--forest);
  padding: 7rem 7vw;
  display: flex;
  justify-content: center;
}

.about-closing-inner {
  max-width: 640px;
  text-align: center;
}

.about-closing-title {
  font-size: clamp(2.8rem, 5vw, 4.8rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--white);
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.about-closing-body {
  font-size: clamp(1rem, 1.4vw, 1.15rem);
  font-weight: 600;
  color: rgba(255,255,255,0.9);
  line-height: 1.8;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */

@media (max-width: 768px) {
  .about-chapter,
  .about-journey {
    grid-template-columns: 1fr;
  }

  .about-chapter-img,
  .about-journey-img {
    min-height: 280px;
  }

  .about-chapter-body,
  .about-journey-body {
    padding: 3.5rem 6vw;
  }

  .about-pillars {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}
