/* About page — scroll & motion (references: agency about pages) */
.page-about {
  overflow-x: hidden;
}

.about-main {
  padding-bottom: clamp(4rem, 12vw, 6rem);
}

/* —— Hero —— */
.about-hero {
  position: relative;
  min-height: min(88vh, 920px);
  display: flex;
  align-items: center;
  padding: calc(var(--header-h) + clamp(2rem, 6vw, 4rem)) clamp(1.25rem, 4vw, 3rem) clamp(3rem, 8vw, 5rem);
  --about-hero-scroll: 0;
}

.about-hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 70% at 50% 0%, rgba(80, 80, 90, 0.18), transparent 55%),
    radial-gradient(ellipse 60% 50% at 85% 60%, rgba(60, 50, 40, 0.12), transparent 50%),
    linear-gradient(180deg, #0c0c0c 0%, var(--bg) 45%, var(--bg) 100%);
  opacity: calc(1 - var(--about-hero-scroll) * 0.35);
}

.about-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 920px;
  margin: 0 auto;
  width: 100%;
  opacity: calc(1 - var(--about-hero-scroll) * 0.9);
  transform: translate3d(0, calc(var(--about-hero-scroll) * -36px), 0);
  will-change: opacity, transform;
}

.about-hero__label {
  margin: 0 0 1rem;
  font-size: 0.7rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.about-hero__title {
  margin: 0 0 clamp(1rem, 3vw, 1.5rem);
  font-size: clamp(2rem, 6vw, 3.75rem);
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1.08;
}

.about-hero__sub {
  margin: 0 0 clamp(1.5rem, 4vw, 2.25rem);
  font-size: clamp(1rem, 2.2vw, 1.2rem);
  font-weight: 500;
  line-height: 1.55;
  color: rgba(245, 245, 245, 0.88);
  max-width: 36em;
}

@media (min-width: 1024px) {
  .about-hero__sub {
    white-space: nowrap;
    max-width: none;
  }
}

.about-hero__text {
  margin: 0;
  max-width: 48em;
  font-size: 0.95rem;
  line-height: 1.9;
  color: var(--text-muted);
}

.about-hero__scroll-hint {
  position: absolute;
  bottom: clamp(1.5rem, 4vw, 2.5rem);
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-muted);
  animation: about-scroll-hint 2.2s ease-in-out infinite;
}

@keyframes about-scroll-hint {
  0%,
  100% {
    opacity: 0.35;
    transform: translateX(-50%) translateY(0);
  }
  50% {
    opacity: 0.85;
    transform: translateX(-50%) translateY(6px);
  }
}

.about-hero__line {
  display: block;
  overflow: hidden;
}

.about-hero__line-inner {
  display: inline-block;
  animation: about-hero-line-in 1s var(--ease-out) backwards;
}

.about-hero__line:nth-child(1) .about-hero__line-inner {
  animation-delay: 0.1s;
}

.about-hero__line:nth-child(2) .about-hero__line-inner {
  animation-delay: 0.22s;
}

@keyframes about-hero-line-in {
  from {
    opacity: 0;
    transform: translateY(110%);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* —— Section shell —— */
.about-section {
  position: relative;
  padding: clamp(3.5rem, 10vw, 6.5rem) clamp(1.25rem, 4vw, 3rem);
  max-width: 1200px;
  margin: 0 auto;
}

.about-section__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
}

@media (min-width: 900px) {
  .about-section__grid--aside {
    grid-template-columns: minmax(0, 140px) minmax(0, 1fr);
    align-items: start;
  }
}

.about-section__aside {
  position: sticky;
  top: calc(var(--header-h) + 1.5rem);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--text-muted);
}

@media (max-width: 899px) {
  .about-section__aside {
    position: static;
    margin-bottom: -0.5rem;
  }
}

.about-section__heading {
  margin: 0 0 clamp(1.25rem, 3vw, 1.75rem);
  font-size: clamp(1.35rem, 3vw, 1.85rem);
  font-weight: 600;
  letter-spacing: 0.02em;
}

.about-section__rule {
  height: 1px;
  max-width: 72px;
  margin: 0 0 clamp(1.5rem, 3vw, 2rem);
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.45), transparent);
  transform-origin: left;
  transform: scaleX(0);
  transition: transform 1s var(--ease-out);
}

.about-section__rule.is-visible {
  transform: scaleX(1);
}

.about-prose {
  font-size: 0.95rem;
  line-height: 2;
  color: var(--text-muted);
}

.about-prose p {
  margin: 0 0 1.25em;
}

.about-prose p:last-child {
  margin-bottom: 0;
}

/* —— Reveal (scroll) —— */
[data-about-reveal] {
  opacity: 0;
  transform: translateY(36px);
  transition:
    opacity 0.85s var(--ease-out),
    transform 0.85s var(--ease-out);
  transition-delay: calc(var(--about-reveal-i, 0) * 0.07s);
}

[data-about-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* —— Strength cards —— */
.about-cards {
  display: grid;
  gap: clamp(1rem, 2vw, 1.25rem);
}

@media (min-width: 768px) {
  .about-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.about-card {
  padding: clamp(1.35rem, 3vw, 1.75rem);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
  transition: border-color 0.35s var(--ease-out), background 0.35s var(--ease-out);
}

.about-card:hover {
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.04);
}

.about-card__num {
  font-size: 0.65rem;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: 0.85rem;
}

.about-card__title {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.about-card__text {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--text-muted);
}

/* —— Services —— */
.about-services {
  border-top: 1px solid var(--line);
}

.about-service-row {
  display: grid;
  gap: 0.5rem;
  padding: clamp(1.25rem, 3vw, 1.65rem) 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 768px) {
  .about-service-row {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
    gap: 2rem;
    align-items: start;
  }
}

.about-service-row__title {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.about-service-row__text {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--text-muted);
}

/* —— Company —— */
.about-company__grid {
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
}

.about-company__row {
  display: grid;
  grid-template-columns: minmax(0, 140px) minmax(0, 1fr);
  gap: 1rem;
  padding: clamp(0.85rem, 2vw, 1.1rem) clamp(1rem, 2vw, 1.25rem);
  border-bottom: 1px solid var(--line);
}

.about-company__row:last-child {
  border-bottom: 0;
}

@media (max-width: 520px) {
  .about-company__row {
    grid-template-columns: 1fr;
    gap: 0.35rem;
  }
}

.about-company__dt {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.about-company__dd {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.6;
}

/* —— Message —— */
.about-message {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(4rem, 14vw, 7rem) clamp(1.25rem, 4vw, 3rem);
}

.about-message__heading {
  margin: 0 0 clamp(1.5rem, 4vw, 2rem);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 600;
  font-style: italic;
  letter-spacing: 0.02em;
  line-height: 1.2;
}

.about-message__text {
  margin: 0;
  font-size: 0.95rem;
  line-height: 2;
  color: var(--text-muted);
}

/* —— CTA —— */
.about-cta {
  text-align: center;
  padding: clamp(3rem, 8vw, 5rem) clamp(1.25rem, 4vw, 3rem);
  border: 1px solid var(--line);
  max-width: 720px;
  margin: 0 auto;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent);
}

.about-cta__heading {
  margin: 0 0 0.75rem;
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  font-weight: 600;
}

.about-cta__text {
  margin: 0 0 1.75rem;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.8;
}

.nav a.is-current {
  color: var(--text);
  pointer-events: none;
}

.nav-mobile__links a[aria-current="page"] {
  color: var(--text);
}

@media (prefers-reduced-motion: reduce) {
  .about-hero__inner,
  .about-hero__bg {
    opacity: 1 !important;
    transform: none !important;
  }

  .about-hero__scroll-hint {
    animation: none;
  }

  .about-hero__line-inner {
    animation: none;
    opacity: 1;
    transform: none;
  }

  [data-about-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .about-section__rule {
    transform: scaleX(1);
    transition: none;
  }
}