/* ==================================================================
   ABOUT PAGE — 關於九歐
   ================================================================== */

/* ------------------------------------------------------------------
   1. BANNER
   ------------------------------------------------------------------ */
.about-banner {
  position: relative;
  width: 100%;
  height: 442px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.about-banner__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-banner__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
}

.about-banner__title {
  position: relative;
  z-index: 1;
  font-family: var(--font-heading);
  font-size: var(--heading-2-size);
  font-weight: var(--heading-2-weight);
  color: var(--color-font-primary);
  letter-spacing: var(--heading-2-ls);
}

/* ------------------------------------------------------------------
   2. BRAND STORY
   ------------------------------------------------------------------ */
.about-story {
  background: var(--color-bg-01);
  padding: 100px 0 80px;
}

/* Desktop: 2-column grid — left col has heading (row1) + text (row2), right col has image */
.about-story__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-20);
  display: grid;
  grid-template-columns: 503px 1fr;
  grid-template-rows: auto auto;
  column-gap: 80px;
  align-items: start;
}

.about-story__heading {
  grid-column: 1;
  grid-row: 1;
}

.about-story__text {
  grid-column: 1;
  grid-row: 2;
}

.about-story__image {
  grid-column: 2;
  grid-row: 1 / span 2;
  min-width: 0;
}

/* Desktop: brand story heading left-aligned (scoped to avoid modifier class) */
.about-story__heading .section-heading {
  align-items: flex-start;
  margin: 0 0 var(--space-40);
}

.about-story__heading .section-heading__deco,
.about-story__heading .section-heading__title {
  text-align: left;
}

.about-story__subtitle {
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 1.2px;
  color: var(--color-font-primary);
  margin-bottom: 32px;
}

.about-story__body {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 400;
  line-height: 26px;
  letter-spacing: 0.16px;
  color: var(--color-gray-02);
}

.about-story__image img {
  width: 100%;
  max-width: 556px;
  height: 377px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 54px 40px rgba(23, 29, 40, 0.5);
}

/* ------------------------------------------------------------------
   3. PARTNERS LOGO STRIP
   ------------------------------------------------------------------ */
.about-partners {
  background: #020202;
  height: 330px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.about-partners__track {
  display: flex;
  gap: 56px;
  align-items: center;
  animation: about-partners-scroll 30s linear infinite;
  width: max-content;
}

.about-partners__logo {
  flex-shrink: 0;
  width: 146px;
  height: 146px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-partners__logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  opacity: 0.6;
  filter: grayscale(30%);
  transition: opacity 0.3s ease;
}

.about-partners__logo img:hover {
  opacity: 1;
  filter: none;
}

@keyframes about-partners-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

/* ------------------------------------------------------------------
   4. TIMELINE
   ------------------------------------------------------------------ */
.about-timeline {
  position: relative;
  background: var(--color-bg-01);
  padding: 80px 0 120px;
  overflow: hidden;
}

.about-timeline__gradient {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 60%;
  background: linear-gradient(to bottom, transparent 0%, #000 40%, #161a21 100%);
  pointer-events: none;
}

.about-timeline__line {
  position: absolute;
  left: 50%;
  top: 80px;
  bottom: 120px;
  width: 1px;
  background: rgba(255, 255, 255, 0.15);
  transform: translateX(-50%);
}

.about-timeline__container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-20);
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.about-timeline__milestone {
  position: relative;
  display: flex;
  align-items: flex-start;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.about-timeline__milestone.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.about-timeline__marker {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  width: 32px;
  height: 32px;
  z-index: 2;
}

.about-timeline__marker img {
  width: 100%;
  height: 100%;
}

.about-timeline__content {
  display: flex;
  align-items: flex-start;
  gap: 60px;
  width: 100%;
}

/* Left milestone: text right-aligned on left side, image on right */
.about-timeline__milestone--left .about-timeline__content {
  flex-direction: row;
}

.about-timeline__milestone--left .about-timeline__story {
  flex: 0 0 calc(50% - 50px);
  text-align: right;
  padding-right: 40px;
}

.about-timeline__milestone--left .about-timeline__image {
  flex: 0 0 calc(50% - 50px);
  margin-left: auto;
  padding-left: 40px;
}

/* Right milestone: image on left, text left-aligned on right */
.about-timeline__milestone--right .about-timeline__content {
  flex-direction: row-reverse;
}

.about-timeline__milestone--right .about-timeline__image {
  flex: 0 0 calc(50% - 50px);
  padding-left: 40px;
}

.about-timeline__milestone--right .about-timeline__story {
  flex: 0 0 calc(50% - 50px);
  text-align: left;
  padding-right: 40px;
}

.about-timeline__year {
  display: block;
  font-family: 'Marcellus SC', serif;
  font-size: 40px;
  color: #FFCA40;
  line-height: 1;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.about-timeline__label {
  display: block;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 400;
  line-height: 26px;
  letter-spacing: 0.16px;
  color: #FFCA40;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.about-timeline__title {
  font-family: var(--font-heading);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-font-primary);
  margin-bottom: 20px;
}

.about-timeline__desc {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 400;
  line-height: 26px;
  letter-spacing: 0.16px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 363px;
}

.about-timeline__milestone--left .about-timeline__desc {
  margin-left: auto;
}

.about-timeline__image img {
  width: 100%;
  max-width: 463px;
  height: auto;
  border-radius: var(--radius-lg);
  object-fit: cover;
  transform: scale(0.85);
  transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.about-timeline__milestone.is-visible .about-timeline__image img {
  transform: scale(1);
}

.about-timeline__milestone:first-child .about-timeline__image img {
  max-width: 556px;
  box-shadow: 0 20px 54px 40px rgba(23, 29, 40, 0.5);
}

.about-timeline__milestone:nth-child(2) .about-timeline__image img {
  max-width: 583px;
  height: 389px;
}

.about-timeline__watermark {
  position: relative;
  z-index: 1;
  font-family: 'Marcellus SC', serif;
  font-size: 80px;
  color: rgba(255, 255, 255, 0.06);
  text-align: center;
  margin-top: 60px;
  pointer-events: none;
  user-select: none;
}

/* ------------------------------------------------------------------
   5. CERTIFICATIONS
   ------------------------------------------------------------------ */
.about-certifications {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}

.about-certifications__bg {
  position: absolute;
  inset: 0;
}

.about-certifications__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about-certifications__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
}

.about-certifications__fade {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: linear-gradient(to top, #000, transparent);
}

.about-certifications__container {
  position: relative;
  z-index: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-20);
}

.about-certifications__header {
  text-align: center;
  margin-bottom: 60px;
}

.about-certifications__title {
  font-family: var(--font-heading);
  font-size: var(--heading-2-size);
  font-weight: var(--heading-2-weight);
  color: var(--color-font-primary);
  margin-bottom: 12px;
}

.about-certifications__subtitle {
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 400;
  line-height: 26px;
  letter-spacing: 0.16px;
  color: var(--color-font-primary);
}

.about-certifications__cards {
  display: grid;
  grid-template-columns: repeat(2, 520px);
  gap: 40px 80px;
  justify-content: center;
}

.about-cert-card {
  background: rgba(255, 255, 255, 0.2);
  border: 1px solid rgba(255, 202, 64, 0.65);
  border-radius: var(--radius-lg);
  padding: 40px 55px;
  width: 520px;
  min-height: 272px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 20px;
}

.about-cert-card--quality {
  grid-column: 2;
  grid-row: 1;
  margin-top: 80px;
}

.about-cert-card--insurance {
  grid-column: 1 / -1;
  justify-self: center;
  border-color: rgba(255, 202, 64, 0.37);
}

.about-cert-card__head {
  display: flex;
  align-items: center;
  gap: 16px;
}

.about-cert-card__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.about-cert-card__title {
  font-family: var(--font-heading);
  font-size: 28px;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 1.68px;
  color: var(--color-font-primary);
}

.about-cert-card__list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  list-style: none;
  padding-left: 0;
  font-family: var(--font-heading);
  font-size: 16px;
  font-weight: 400;
  line-height: 2.3;
  letter-spacing: 0.96px;
  color: var(--color-font-primary);
}

.about-cert-card__list li {
  position: relative;
  padding-left: 16px;
}

.about-cert-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-font-primary);
}

/* ------------------------------------------------------------------
   6. RESPONSIVE — Tablet (max-width: 1024px)
   ------------------------------------------------------------------ */
@media (max-width: 1024px) {
  .about-story__container {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 40px;
  }

  .about-story__heading,
  .about-story__text,
  .about-story__image {
    grid-column: 1;
    grid-row: auto;
  }

  .about-story__image img {
    max-width: 100%;
    height: auto;
  }

  .about-timeline__line {
    left: 40px;
  }

  .about-timeline__marker {
    left: 40px;
  }

  .about-timeline__milestone--left .about-timeline__content,
  .about-timeline__milestone--right .about-timeline__content {
    flex-direction: column;
    padding-left: 80px;
  }

  .about-timeline__milestone--left .about-timeline__story,
  .about-timeline__milestone--right .about-timeline__story {
    flex: none;
    text-align: left;
    padding: 0;
    margin: 0;
  }

  .about-timeline__milestone--left .about-timeline__image,
  .about-timeline__milestone--right .about-timeline__image {
    flex: none;
    padding: 0;
    margin: 0;
  }

  .about-timeline__milestone--left .about-timeline__desc {
    margin-left: 0;
  }

  .about-certifications__cards {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .about-cert-card {
    width: 100%;
    max-width: 520px;
    margin: 0 auto;
  }

  .about-cert-card--quality {
    grid-column: 1;
    grid-row: auto;
    margin-top: 0;
  }

  .about-cert-card--insurance {
    grid-column: 1;
  }
}

/* ------------------------------------------------------------------
   7. RESPONSIVE — Mobile (max-width: 768px)
   ------------------------------------------------------------------ */
@media (max-width: 768px) {
  /* === Banner === */
  .about-banner {
    height: 300px;
  }

  .about-banner__title {
    font-size: 32px;
  }

  /* === Brand Story === */
  .about-story {
    padding: 60px 0 40px;
  }

  /* Switch to flex-column: DOM order is heading → image → text ✓ */
  .about-story__container {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }

  .about-story__heading,
  .about-story__text,
  .about-story__image {
    grid-column: unset;
    grid-row: unset;
  }

  /* Mobile: brand story heading centered */
  .about-story__heading .section-heading {
    align-items: center;
  }

  .about-story__heading .section-heading__deco,
  .about-story__heading .section-heading__title {
    text-align: center;
  }

  .about-story__subtitle {
    font-size: 18px;
    text-align: center;
  }

  .about-story__body {
    text-align: center;
  }

  /* === Partners Strip === */
  .about-partners {
    height: 184px;
  }

  .about-partners__logo {
    width: 80px;
    height: 80px;
  }

  .about-partners__track {
    gap: 8px;
  }

  /* === Timeline === */
  .about-timeline {
    padding: 48px 0 60px;
  }

  .about-timeline__container {
    gap: 48px;
  }

  /* Line aligns with center of 32px marker (left: 20px + 16px = 36px) */
  .about-timeline__line {
    left: 36px;
    top: 40px;
    bottom: 60px;
  }

  /* Marker: left-edge at 20px (no transform), 32x32 circle dots */
  .about-timeline__marker {
    left: 20px;
    width: 32px;
    height: 32px;
    transform: none;
  }

  /* Hide diamond SVG on mobile */
  .about-timeline__marker img {
    display: none;
  }

  /* Outer golden glow */
  .about-timeline__marker::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: rgba(255, 202, 64, 0.25);
    filter: blur(7px);
  }

  /* Inner white dot */
  .about-timeline__marker::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-font-primary);
  }

  /* Image first (column-reverse flips [story][image] → image on top visually) */
  .about-timeline__milestone--left .about-timeline__content,
  .about-timeline__milestone--right .about-timeline__content {
    flex-direction: column-reverse;
    padding-left: 52px;
  }

  .about-timeline__milestone--left .about-timeline__story,
  .about-timeline__milestone--right .about-timeline__story {
    flex: none;
    text-align: left;
    padding: 0;
    margin: 0;
  }

  .about-timeline__milestone--left .about-timeline__image,
  .about-timeline__milestone--right .about-timeline__image {
    flex: none;
    padding: 0;
    margin: 0;
  }

  .about-timeline__milestone--left .about-timeline__desc {
    margin-left: 0;
  }

  /* Uniform image height on mobile, override desktop per-child heights */
  .about-timeline__image img,
  .about-timeline__milestone:first-child .about-timeline__image img,
  .about-timeline__milestone:nth-child(2) .about-timeline__image img {
    height: 178px;
    max-width: 100%;
    object-fit: cover;
  }

  .about-timeline__year {
    font-size: 28px;
  }

  .about-timeline__title {
    font-size: 20px;
  }

  .about-timeline__watermark {
    font-size: 36px;
    text-align: center;
  }

  /* === Certifications === */
  .about-certifications {
    padding: 60px 0 80px;
  }

  .about-certifications__header {
    margin-bottom: 40px;
  }

  .about-certifications__title {
    font-size: 28px;
  }

  .about-certifications__cards {
    gap: 20px;
  }

  .about-cert-card {
    padding: 24px 28px;
    min-height: auto;
  }

  .about-cert-card__title {
    font-size: 22px;
  }

  .about-cert-card__list {
    grid-template-columns: 1fr;
    font-size: 14px;
  }
}