/**
 * School Access OS — full vertical B2B marketing landing.
 * Brand-first hero, stacked Access / Students / Parents bands, inquiry last.
 */

.page-school-access-os {
  --sa-os-ink: #0f1c24;
  --sa-os-mist: #e8eef2;
  --sa-os-fog: #f4f7f9;
  --sa-os-accent: #0d6e6e;
  --sa-os-accent-soft: color-mix(in srgb, var(--sa-os-accent) 12%, transparent);
  background: var(--sa-os-fog);
  color: var(--sa-os-ink);
}

.page-school-access-os .template-landing__hero {
  min-height: 0;
  padding: 0;
}

.sa-os-wrap {
  max-width: var(--container-lg, 1120px);
  margin-inline: auto;
  padding-inline: var(--gutter, 1.25rem);
}

.sa-os-wrap--narrow {
  max-width: 40rem;
}

.sa-os-eyebrow {
  margin: 0 0 var(--space-3, 0.75rem);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--sa-os-accent);
}

.sa-os-title {
  margin: 0 0 var(--space-3, 0.75rem);
  font-family: var(--font-display, Georgia, "Times New Roman", serif);
  font-size: clamp(1.75rem, 3.5vw, 2.65rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.12;
  color: var(--sa-os-ink);
}

.sa-os-lede {
  margin: 0 0 var(--space-8, 2rem);
  max-width: 38rem;
  font-size: 1.05rem;
  line-height: 1.55;
  color: color-mix(in srgb, var(--sa-os-ink) 72%, transparent);
}

/* ── Hero (full-bleed) ───────────────────────────────────────────────── */
.sa-os-hero {
  position: relative;
  min-height: min(92vh, 820px);
  display: grid;
  align-items: end;
  overflow: hidden;
  color: #f7fafb;
}

.sa-os-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.sa-os-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1.04);
  animation: sa-os-ken 18s ease-in-out infinite alternate;
}

.sa-os-hero__veil {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(8, 18, 24, 0.18) 0%, rgba(8, 18, 24, 0.45) 58%, rgba(8, 18, 24, 0.72) 100%),
    linear-gradient(90deg, rgba(8, 18, 24, 0.28) 0%, transparent 60%);
}

.sa-os-hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--container-lg, 1120px);
  margin-inline: auto;
  width: 100%;
  padding: clamp(4rem, 12vh, 7rem) var(--gutter, 1.25rem) clamp(3rem, 8vh, 5rem);
  display: grid;
  gap: var(--space-5, 1.25rem);
  animation: sa-os-rise 0.9s ease-out both;
}

.sa-os-hero .sa-os-eyebrow {
  color: #9fd4d0;
}

.sa-os-hero__title {
  margin: 0;
  max-width: 16ch;
  font-family: var(--font-display, Georgia, "Times New Roman", serif);
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.sa-os-hero__lede {
  margin: 0;
  max-width: 36rem;
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  line-height: 1.55;
  color: rgba(247, 250, 251, 0.88);
}

.sa-os-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3, 0.75rem);
  margin-top: var(--space-2, 0.5rem);
}

.sa-os-hero__actions .btn--secondary {
  background: rgba(255, 255, 251, 0.08);
  color: #f7fafb;
  border-color: rgba(255, 255, 251, 0.35);
}

.sa-os-hero__actions .btn--secondary:hover {
  background: rgba(255, 255, 251, 0.16);
}

/* ── Proof counters ──────────────────────────────────────────────────── */
.sa-os-proof {
  background: var(--sa-os-ink);
  color: #f7fafb;
  padding: var(--space-10, 2.5rem) 0;
}

.sa-os-proof__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-6, 1.5rem);
}

.sa-os-proof__value {
  margin: 0 0 0.35rem;
  font-family: var(--font-display, Georgia, "Times New Roman", serif);
  font-size: clamp(1.75rem, 3vw, 2.4rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #9fd4d0;
}

.sa-os-proof__label {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.4;
  color: rgba(247, 250, 251, 0.75);
}

/* ── Feature bands ───────────────────────────────────────────────────── */
.sa-os-band {
  padding: clamp(3.5rem, 8vw, 5.5rem) 0;
  background: #fff;
  border-bottom: 1px solid color-mix(in srgb, var(--sa-os-ink) 8%, transparent);
}

.sa-os-band--muted {
  background: var(--sa-os-mist);
}

.sa-os-band--access {
  background:
    linear-gradient(180deg, var(--sa-os-accent-soft), transparent 40%),
    #fff;
}

.sa-os-band--inquiry {
  background: var(--sa-os-fog);
  border-bottom: 0;
}

.sa-os-feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5, 1.25rem) var(--space-6, 1.5rem);
}

.sa-os-feature-grid--3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.sa-os-feature {
  padding: 0;
  border: 0;
  background: transparent;
  animation: sa-os-rise 0.7s ease-out both;
}

.sa-os-feature:nth-child(2) { animation-delay: 0.08s; }
.sa-os-feature:nth-child(3) { animation-delay: 0.14s; }
.sa-os-feature:nth-child(4) { animation-delay: 0.2s; }

.sa-os-feature__title {
  margin: 0 0 0.4rem;
  font-size: 1.15rem;
  font-weight: 650;
  color: var(--sa-os-ink);
}

.sa-os-feature__body {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.55;
  color: color-mix(in srgb, var(--sa-os-ink) 68%, transparent);
}

/* ── Steps ───────────────────────────────────────────────────────────── */
.sa-os-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-6, 1.5rem);
}

.sa-os-step__num {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.8rem;
  letter-spacing: 0.12em;
  font-weight: 700;
  color: var(--sa-os-accent);
}

.sa-os-step__title {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
}

.sa-os-step__body {
  margin: 0;
  line-height: 1.5;
  color: color-mix(in srgb, var(--sa-os-ink) 68%, transparent);
}

/* ── Compare ─────────────────────────────────────────────────────────── */
.sa-os-compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-6, 1.5rem);
}

.sa-os-compare__col {
  padding: var(--space-6, 1.5rem);
  border-radius: 4px;
  background: var(--sa-os-fog);
  border: 1px solid color-mix(in srgb, var(--sa-os-ink) 10%, transparent);
}

.sa-os-compare__col:last-child {
  background: color-mix(in srgb, var(--sa-os-accent) 8%, #fff);
  border-color: color-mix(in srgb, var(--sa-os-accent) 28%, transparent);
}

.sa-os-compare__heading {
  margin: 0 0 var(--space-4, 1rem);
  font-size: 1.1rem;
}

.sa-os-compare__list {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.55rem;
  line-height: 1.45;
  color: color-mix(in srgb, var(--sa-os-ink) 75%, transparent);
}

/* ── Inquiry ─────────────────────────────────────────────────────────── */
.sa-os-inquiry__title {
  margin: 0 0 var(--space-3, 0.75rem);
  font-family: var(--font-display, Georgia, "Times New Roman", serif);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  letter-spacing: -0.02em;
  line-height: 1.15;
}

.sa-os-inquiry__price {
  margin: 0 0 var(--space-2, 0.5rem);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sa-os-accent);
}

.sa-os-inquiry__lede {
  margin: 0 0 var(--space-6, 1.5rem);
  line-height: 1.55;
  color: color-mix(in srgb, var(--sa-os-ink) 70%, transparent);
}

.page-school-access-os .nfc-inquiry {
  background: #fff;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid color-mix(in srgb, var(--sa-os-ink) 10%, transparent);
  border-radius: 4px;
}

@keyframes sa-os-ken {
  from { transform: scale(1.02); }
  to { transform: scale(1.08); }
}

@keyframes sa-os-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 900px) {
  .sa-os-proof__grid,
  .sa-os-feature-grid,
  .sa-os-feature-grid--3,
  .sa-os-steps,
  .sa-os-compare {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 640px) {
  .sa-os-hero {
    min-height: min(88vh, 720px);
  }

  .sa-os-proof__grid,
  .sa-os-feature-grid,
  .sa-os-feature-grid--3,
  .sa-os-steps,
  .sa-os-compare {
    grid-template-columns: 1fr;
  }

  .sa-os-hero__actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sa-os-hero__media img,
  .sa-os-hero__inner,
  .sa-os-feature {
    animation: none;
  }
}