/* ============================================================
   css/pages/home.css
   Kallos Youth Empowerment
   Purpose: Styles scoped exclusively to index.html.
            Assumes reset → base → layout → components →
            utilities → main are already loaded.
            No design tokens defined here — reference var(--*)
            from base.css only.
   ============================================================ */


/* ─── Hero ────────────────────────────────────────────────── */

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--color-earth);
}

/* Concentric circle SVG — brand signature */
.hero__arc {
  position: absolute;
  inset: 0;
  pointer-events: none;
  color: var(--color-gold);
  opacity: 0.07;
}

.hero__arc svg {
  width: 100%;
  height: 100%;
}

/* Grain texture overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.4'/%3E%3C/svg%3E");
  opacity: 0.18;
  mix-blend-mode: overlay;
  pointer-events: none;
}

/* Diagonal gold slash */
.hero__slash {
  position: absolute;
  top: -10%;
  right: -5%;
  width: 38vw;
  height: 130%;
  background: linear-gradient(180deg, var(--color-gold) 0%, transparent 80%);
  opacity: 0.08;
  transform: rotate(-12deg);
  pointer-events: none;
}

.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--space-xl) var(--space-m);
  max-width: 900px;
}

.hero__eyebrow {
  display: inline-block;
  font-family: var(--ff-mono);
  font-size: var(--step--1);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: var(--space-m);
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.7s 0.2s forwards;
}

.hero__headline {
  font-family: var(--ff-display);
  font-size: var(--step-5);
  font-weight: 700;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--color-canvas);
  margin-bottom: var(--space-m);
  opacity: 0;
  transform: translateY(16px);
  animation: fadeUp 0.8s 0.4s forwards;
}

.hero__headline em {
  font-style: italic;
  color: var(--color-gold);
}

.hero__sub {
  font-size: var(--step-1);
  font-weight: 300;
  color: rgba(247, 245, 240, 0.65);
  max-width: 560px;
  margin: 0 auto var(--space-l);
  line-height: 1.7;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.8s 0.6s forwards;
}

.hero__actions {
  display: flex;
  gap: var(--space-s);
  justify-content: center;
  flex-wrap: wrap;
  opacity: 0;
  transform: translateY(12px);
  animation: fadeUp 0.8s 0.8s forwards;
}

.hero__scroll {
  position: absolute;
  bottom: var(--space-m);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  color: rgba(247, 245, 240, 0.4);
  font-family: var(--ff-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  opacity: 0;
  animation: fadeUp 1s 1.2s forwards;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
  animation: scrollPulse 2s 2s infinite;
}


/* ─── About ───────────────────────────────────────────────── */

.about {
  background: var(--color-canvas);
}

.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-l);
  align-items: center;
}

.about__image-stack {
  position: relative;
  height: 480px;
}

.about__img {
  position: absolute;
  object-fit: cover;
  border-radius: var(--radius);
}

.about__img--back {
  width: 75%;
  height: 85%;
  top: 0;
  right: 0;
  filter: grayscale(20%);
}

.about__img--front {
  width: 55%;
  height: 65%;
  bottom: 0;
  left: 0;
  border: 4px solid var(--color-canvas);
  box-shadow: var(--shadow-m);
}

.about__accent-line {
  position: absolute;
  top: 12%;
  left: 20%;
  width: 3px;
  height: 40%;
  background: var(--color-gold);
}

.about__stats {
  display: flex;
  gap: var(--space-l);
  margin-top: var(--space-l);
  padding-top: var(--space-m);
  border-top: 1px solid var(--color-mist);
}


/* ─── Pillars ─────────────────────────────────────────────── */

.pillars {
  background: var(--color-earth);
}

.pillars .section__label {
  color: var(--color-gold);
}

.pillars .section__heading {
  color: var(--color-canvas);
}

.pillars .section__body {
  color: rgba(247, 245, 240, 0.6);
}

.pillars__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-s);
  margin-top: var(--space-l);
}

.pillar {
  padding: var(--space-m);
  border: 1px solid rgba(200, 164, 90, 0.15);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
  transition: border-color var(--transition), background var(--transition);
}

.pillar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.pillar:hover {
  border-color: rgba(200, 164, 90, 0.4);
  background: rgba(200, 164, 90, 0.04);
}

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

.pillar__icon {
  font-size: 1.6rem;
  color: var(--color-gold);
  margin-bottom: var(--space-s);
}

.pillar__title {
  font-family: var(--ff-display);
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--color-canvas);
  margin-bottom: var(--space-xs);
}

.pillar__desc {
  font-size: var(--step--1);
  color: rgba(247, 245, 240, 0.55);
  line-height: 1.7;
}


/* ─── Values ──────────────────────────────────────────────── */

.values {
  background: var(--color-mist);
}

.values__list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  margin-top: var(--space-l);
  background: #D8D4CC;
  border: 1px solid #D8D4CC;
}

.value {
  display: flex;
  gap: var(--space-m);
  align-items: flex-start;
  padding: var(--space-m);
  background: var(--color-canvas);
  transition: background var(--transition);
}

.value:hover {
  background: var(--color-gold-light);
}

.value__letter {
  font-family: var(--ff-display);
  font-size: var(--step-4);
  font-weight: 700;
  color: var(--color-gold);
  line-height: 1;
  flex-shrink: 0;
  opacity: 0.5;
}

.value__title {
  font-family: var(--ff-display);
  font-size: var(--step-2);
  font-weight: 600;
  color: var(--color-earth);
  margin-bottom: 0.3rem;
}

.value__desc {
  font-size: var(--step--1);
  color: var(--color-text-muted);
  line-height: 1.7;
}


/* ─── Programs ────────────────────────────────────────────── */

.programs {
  background: var(--color-canvas);
}

.programs__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-m);
  margin-top: var(--space-l);
}

.program-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-s);
  min-height: 280px;
  padding: var(--space-m);
  background: var(--color-earth);
  border-radius: var(--radius);
  overflow: hidden;
  color: var(--color-canvas);
  transition: transform var(--transition);
}

.program-card:hover {
  transform: translateY(-4px);
}

.program-card__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-earth) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}

.program-card:hover .program-card__bg {
  opacity: 0.15;
}

.program-card__tag {
  position: relative;
  font-family: var(--ff-mono);
  font-size: var(--step--1);
  letter-spacing: 0.1em;
  color: var(--color-gold);
}

.program-card__title {
  position: relative;
  font-family: var(--ff-display);
  font-size: var(--step-3);
  font-weight: 700;
  line-height: 1.1;
  flex: 1;
}

.program-card__desc {
  position: relative;
  font-size: var(--step--1);
  color: rgba(247, 245, 240, 0.6);
  line-height: 1.7;
}

.program-card__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: var(--step--1);
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-gold);
  transition: gap var(--transition);
}

.program-card:hover .program-card__link {
  gap: 0.7rem;
}


/* ─── CTA Band ────────────────────────────────────────────── */

.cta-band {
  background: var(--color-accent);
  padding-block: var(--space-xl);
}

.cta-band__inner {
  text-align: center;
}

.cta-band__heading {
  font-family: var(--ff-display);
  font-size: var(--step-4);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-canvas);
  margin-bottom: var(--space-s);
}

.cta-band__sub {
  font-size: var(--step-0);
  color: rgba(247, 245, 240, 0.7);
  max-width: 520px;
  margin-inline: auto;
  margin-bottom: var(--space-l);
  line-height: 1.7;
}


/* ─── Responsive ──────────────────────────────────────────── */

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

  .about__image-stack {
    height: 340px;
  }

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

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

@media (max-width: 700px) {
  .about__stats {
    flex-direction: column;
    gap: var(--space-m);
  }

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

  .hero__headline {
    font-size: var(--step-4);
  }
}