/* Oku360 Okuma Atölyesi tanıtım sayfası — yalnızca /oku360 */

.oku360 {
  --oku-accent: var(--color-primary, #03a87c);
  --oku-accent-dark: var(--color-primary-dark, #028a66);
  --oku-hero-bg: #0e1c18;
  --oku-hero-text: #f4faf7;
  --oku-muted: rgba(244, 250, 247, 0.72);
  --oku-surface: #f4faf7;
  --oku-card: #fff;
  --oku-border: #e3efe9;
  --oku-text: var(--color-text, #212529);
  --oku-ink-muted: var(--color-muted, #6c757d);
  --oku-radius: calc(var(--radius, 0.5rem) * 2);
  --oku-inner: min(42rem, calc(100% - 2rem));
  font-family: var(--font-sans);
  color: var(--oku-text);
  overflow-x: clip;
}

.oku360-inner {
  width: var(--oku-inner);
  margin-inline: auto;
  padding-inline: 1rem;
}

.oku360-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.85rem;
}

.oku360-kicker--on-light {
  color: var(--oku-accent-dark);
}

.oku360 h2 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.7rem, 6vw, 2.4rem);
  line-height: 1.25;
  margin: 0 0 1rem;
}

.oku360 p {
  line-height: 1.75;
}

.oku360-lead {
  font-size: 1.05rem;
  color: var(--oku-ink-muted);
  margin: 0 0 1.25rem;
}

.oku360-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.oku360-actions .btn {
  min-height: 2.75rem;
  padding-inline: 1.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* —— Hero —— */
.oku360-hero {
  position: relative;
  isolation: isolate;
  --oku-hero-video-ratio: 1208 / 1714;
  min-height: calc(100dvh - var(--nav-height, 4rem));
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  color: var(--oku-hero-text);
  background: var(--oku-hero-bg);
  padding: 0;
  overflow: hidden;
}

.oku360-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: var(--oku-hero-bg);
}

.oku360-hero__bg-shade {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 72% 62% at 50% 42%, rgba(3, 168, 124, 0.1) 0%, transparent 68%),
    linear-gradient(180deg, rgba(14, 28, 24, 0.55) 0%, rgba(14, 28, 24, 0.08) 42%, rgba(14, 28, 24, 0.62) 100%);
  pointer-events: none;
}

.oku360-hero__glow,
.oku360-hero__rings {
  pointer-events: none;
  will-change: transform;
}

.oku360-hero__glow {
  position: absolute;
  top: 18%;
  left: 50%;
  width: 24rem;
  height: 24rem;
  margin-left: -12rem;
  background: radial-gradient(circle, rgba(3, 168, 124, 0.34) 0%, transparent 68%);
  z-index: 1;
}

.oku360-hero__rings {
  position: absolute;
  top: 10%;
  left: 50%;
  width: min(28rem, 78vw);
  height: min(28rem, 78vw);
  margin-left: calc(min(28rem, 78vw) / -2);
  z-index: 1;
}

.oku360-hero__rings span {
  position: absolute;
  inset: 0;
  border: 1px solid rgba(3, 168, 124, 0.28);
  border-radius: 50%;
}

.oku360-hero__rings span:nth-child(1) { inset: 8%; border-color: rgba(3, 168, 124, 0.18); }
.oku360-hero__rings span:nth-child(2) { inset: 22%; border-color: rgba(244, 250, 247, 0.12); }
.oku360-hero__rings span:nth-child(3) { inset: 38%; background: rgba(3, 168, 124, 0.12); border: 0; }

.oku360-hero__layout {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 1.25rem 1rem calc(1.25rem + env(safe-area-inset-bottom, 0px));
  display: flex;
  justify-content: center;
  align-items: center;
  flex: 1 1 auto;
  min-height: inherit;
}

.oku360-hero__shell {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(0.85rem, 3vw, 1.35rem);
  align-items: center;
  width: min(100%, 24rem);
  margin-inline: auto;
}

.oku360-hero__media {
  width: min(34vw, 8.5rem);
}

.oku360-hero__video {
  display: block;
  width: 100%;
  max-height: min(68vh, 18rem);
  height: auto;
  aspect-ratio: var(--oku-hero-video-ratio);
  object-fit: cover;
  object-position: center;
  border-radius: calc(var(--oku-radius) * 0.75);
  box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.oku360-hero__copy {
  position: relative;
  z-index: 1;
  min-width: 0;
  padding: 0;
}

.oku360-hero .oku360-kicker {
  color: var(--oku-accent);
}

.oku360-hero h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.4rem, 12vw, 4.2rem);
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin: 0 0 0.35rem;
}

.oku360-hero h1 span {
  display: block;
  font-size: 0.38em;
  letter-spacing: 0.04em;
  font-family: var(--font-sans);
  font-weight: 600;
  margin-top: 0.45rem;
  color: var(--oku-muted);
}

.oku360-hero .oku360-lead {
  color: var(--oku-muted);
  max-width: 28rem;
}

.oku360-hero .btn-primary {
  --bs-btn-bg: var(--oku-accent);
  --bs-btn-border-color: var(--oku-accent);
  --bs-btn-hover-bg: var(--oku-accent-dark);
  --bs-btn-hover-border-color: var(--oku-accent-dark);
}

.oku360-hero .btn-outline-light {
  --bs-btn-color: var(--oku-hero-text);
  --bs-btn-border-color: rgba(244, 250, 247, 0.35);
  --bs-btn-hover-bg: rgba(244, 250, 247, 0.12);
  --bs-btn-hover-border-color: #fff;
  --bs-btn-hover-color: #fff;
}

.oku360-scrollhint {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 1.75rem;
  color: var(--oku-muted);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.oku360-scrollhint i {
  animation: oku360-bounce 1.8s ease-in-out infinite;
}

@keyframes oku360-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* —— Sections —— */
.oku360-section {
  padding: 3.25rem 0;
}

.oku360-section--surface {
  background: var(--oku-surface);
}

.oku360-section--dark {
  background: var(--oku-hero-bg);
  color: var(--oku-hero-text);
}

.oku360-section--dark .oku360-lead,
.oku360-section--dark p {
  color: var(--oku-muted);
}

.oku360-section--dark a:not(.btn) {
  color: #7ee0c2;
}

.oku360-points {
  list-style: none;
  padding: 0;
  margin: 1.25rem 0 0;
  display: grid;
  gap: 0.85rem;
}

.oku360-points li {
  background: var(--oku-card);
  border: 1px solid var(--oku-border);
  border-radius: var(--oku-radius);
  padding: 1rem 1.1rem;
  font-size: 0.98rem;
}

.oku360-points strong {
  display: block;
  color: var(--oku-accent-dark);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

/* —— Sticky process —— */
.oku360-process {
  padding: 2.5rem 0 1rem;
  background: linear-gradient(180deg, #fff 0%, var(--oku-surface) 100%);
}

.oku360-steps {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0 1rem 3rem;
  max-width: 42rem;
  margin-inline: auto;
}

.oku360-step {
  position: sticky;
  top: calc(var(--nav-height, 4rem) + 0.65rem);
  min-height: min(68dvh, 28rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  background: var(--oku-card);
  border: 1px solid var(--oku-border);
  border-radius: var(--oku-radius);
  padding: 1.5rem 1.25rem 1.6rem;
  margin-bottom: 1.15rem;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.08));
  overflow: hidden;
}

.oku360-step:nth-child(1) { z-index: 1; }
.oku360-step:nth-child(2) { z-index: 2; background: #f7fffb; }
.oku360-step:nth-child(3) { z-index: 3; }
.oku360-step:nth-child(4) { z-index: 4; background: #f7fffb; }
.oku360-step:nth-child(5) { z-index: 5; margin-bottom: 0; }

.oku360-step__visual {
  position: relative;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: clamp(7rem, 28dvh, 12rem);
  color: var(--oku-accent);
  font-size: clamp(3.75rem, 16vw, 6.25rem);
  line-height: 1;
}

.oku360-step__visual::before {
  content: "";
  position: absolute;
  width: clamp(7.5rem, 30vw, 11.5rem);
  height: clamp(7.5rem, 30vw, 11.5rem);
  border-radius: 50%;
  border: 1px solid rgba(3, 168, 124, 0.16);
  background: radial-gradient(circle, rgba(3, 168, 124, 0.12) 0%, rgba(3, 168, 124, 0.04) 68%, transparent 100%);
}

.oku360-step__visual i {
  position: relative;
  z-index: 1;
  opacity: 0.88;
}

.oku360-step__content {
  flex-shrink: 0;
}

.oku360-step__head {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  margin-bottom: 0.75rem;
}

.oku360-step__num {
  font-family: var(--font-display);
  font-size: 2.75rem;
  font-weight: 300;
  color: var(--oku-accent);
  line-height: 1;
  margin: 0;
  opacity: 0.45;
}

.oku360-step h3 {
  font-size: 1.35rem;
  margin: 0 0 0.5rem;
}

.oku360-step p {
  margin: 0;
  color: var(--oku-ink-muted);
}

/* —— TYMM chips —— */
.oku360-chips {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.oku360-chip {
  background: var(--oku-card);
  border: 1px solid var(--oku-border);
  border-radius: var(--oku-radius);
  padding: 1.15rem 1.1rem;
}

.oku360-chip h3 {
  font-size: 1.05rem;
  margin: 0 0 0.4rem;
  color: var(--oku-accent-dark);
}

.oku360-chip p {
  margin: 0;
  font-size: 0.95rem;
  color: var(--oku-ink-muted);
}

/* —— Catalog —— */
.oku360-catalogs {
  background: var(--oku-hero-bg);
  color: var(--oku-hero-text);
  padding: 2.5rem 0 calc(2rem + env(safe-area-inset-bottom, 0px));
}

.oku360-catalogs > .oku360-inner > .oku360-lead {
  color: var(--oku-muted);
}

.oku360-catalog-cards {
  display: grid;
  gap: 1.75rem;
  margin-top: 2rem;
}

.oku360-catalog-card {
  display: grid;
  gap: 1.25rem;
  padding: 1.35rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--oku-radius);
}

.oku360-catalog-card__cover picture,
.oku360-catalog-card__cover img {
  display: block;
  width: min(8.5rem, 38vw);
  margin: 0 auto;
  border-radius: 0.4rem;
  box-shadow: 0 1rem 2.5rem rgba(0, 0, 0, 0.45);
}

.oku360-catalog-card__cover img {
  width: 100%;
  height: auto;
}

.oku360-catalog-card .oku360-kicker {
  color: var(--oku-accent);
  margin-bottom: 0.35rem;
}

.oku360-catalog-card__body h3 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(1.35rem, 4.5vw, 1.75rem);
  margin: 0 0 0.65rem;
}

.oku360-catalog-card__text {
  margin: 0;
  color: var(--oku-muted);
  font-size: 0.95rem;
}

.oku360-catalog__meta {
  margin: 0.75rem 0 0;
  font-size: 0.85rem;
  color: var(--oku-muted);
}

.oku360-catalog__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.15rem;
}

/* —— Pillars —— */
.oku360-pillars {
  display: grid;
  gap: 1.15rem;
  margin-top: 1.5rem;
  align-items: start;
}

.oku360-pillar {
  background: var(--oku-card);
  border: 1px solid var(--oku-border);
  border-radius: var(--oku-radius);
  padding: 1rem 1rem 1.15rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.06));
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.oku360-pillar:hover,
.oku360-pillar:focus-within {
  border-color: rgba(3, 168, 124, 0.35);
  box-shadow: 0 0.35rem 1.1rem rgba(3, 168, 124, 0.08);
}

.oku360-pillar__media {
  aspect-ratio: 16 / 10;
  border-radius: calc(var(--radius, 0.5rem));
  overflow: hidden;
  background: var(--oku-surface);
  border: 1px solid rgba(227, 239, 233, 0.9);
}

.oku360-pillar__media picture,
.oku360-pillar__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.oku360-pillar__media--covers {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: clamp(0.65rem, 3vw, 1rem);
  padding: 1rem 0.85rem 0.75rem;
  background: linear-gradient(180deg, #f4faf7 0%, #fff 100%);
}

.oku360-pillar__cover {
  margin: 0;
  width: min(5.75rem, 34%);
  text-align: center;
}

.oku360-pillar__cover picture,
.oku360-pillar__cover img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 0.35rem;
  box-shadow: 0 0.45rem 1rem rgba(0, 0, 0, 0.14);
}

.oku360-pillar__cover figcaption {
  margin-top: 0.35rem;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--oku-ink-muted);
}

.oku360-pillar h3 {
  font-size: 1.1rem;
  margin: 0;
}

.oku360-pillar p {
  margin: 0;
  color: var(--oku-ink-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}

.oku360-pillar p a {
  color: var(--oku-accent-dark);
  font-weight: 600;
}

.oku360-pillar__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  width: fit-content;
  margin-top: 0.1rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--oku-accent-dark);
  text-decoration: none;
}

.oku360-pillar__link i {
  font-size: 0.75rem;
  transition: transform 0.15s ease;
}

.oku360-pillar__link:hover i,
.oku360-pillar__link:focus-visible i {
  transform: translateX(3px);
}

/* —— Grades + covers —— */
.oku360-grades {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
  margin-top: 1.35rem;
}

.oku360-grade {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: flex-start;
  min-height: 4.5rem;
  padding: 0.9rem 1rem;
  background: var(--oku-card);
  border: 1px solid var(--oku-border);
  border-radius: var(--oku-radius);
  color: var(--oku-text);
  text-decoration: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.oku360-grade:hover,
.oku360-grade:focus-visible {
  border-color: var(--oku-accent);
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.08));
  color: var(--oku-accent-dark);
}

.oku360-grade strong {
  font-size: 1.05rem;
}

.oku360-grade span {
  font-size: 0.8rem;
  color: var(--oku-ink-muted);
}

.oku360-kademe {
  margin-top: 2rem;
}

.oku360-kademe:first-of-type {
  margin-top: 1.35rem;
}

.oku360-kademe__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 0.85rem;
}

.oku360-kademe__head h3 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: 1.35rem;
  margin: 0;
}

.oku360-kademe__head a {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--oku-accent-dark);
}

.oku360-covers-label {
  margin: 1.15rem 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--oku-ink-muted);
}

.oku360-covers {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  padding: 0.35rem 0 1rem;
  margin-top: 1.25rem;
  scrollbar-width: thin;
}

.oku360-cover {
  flex: 0 0 7.25rem;
  min-width: 0;
  max-width: 7.25rem;
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  color: var(--oku-text);
}

.oku360-cover__img {
  display: block;
  width: 7.25rem;
  height: auto;
  aspect-ratio: 2 / 3;
  object-fit: cover;
  border-radius: 0.35rem;
  box-shadow: var(--shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.08));
}

.oku360-cover__title {
  display: -webkit-box;
  width: 100%;
  margin-top: 0.45rem;
  font-size: 0.78rem;
  line-height: 1.35;
  text-align: center;
  color: var(--oku-ink-muted);
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  word-break: break-word;
}

/* —— CTA —— */
.oku360-cta {
  padding: 3.25rem 0 calc(3.5rem + env(safe-area-inset-bottom, 0px));
  background: linear-gradient(180deg, var(--oku-surface) 0%, #fff 55%);
}

.oku360-cta__inner {
  text-align: center;
}

.oku360-cta__inner .oku360-lead {
  max-width: 34rem;
  margin-inline: auto;
}

.oku360-cta__action {
  margin-top: 1.5rem;
}

.oku360-cta__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(100%, 28rem);
  min-height: 3.75rem;
  padding: 1rem 1.75rem;
  font-size: clamp(1.05rem, 3.8vw, 1.25rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  border-radius: calc(var(--oku-radius) * 0.85);
  box-shadow: 0 0.75rem 1.75rem rgba(3, 168, 124, 0.28);
}

.oku360-cta__btn:hover,
.oku360-cta__btn:focus-visible {
  box-shadow: 0 1rem 2.25rem rgba(3, 168, 124, 0.34);
}

@media (min-width: 768px) {
  .oku360 {
    --oku-inner: min(68rem, calc(100% - 4rem));
  }

  .oku360-hero {
    align-items: stretch;
    padding-block: 3rem;
  }

  .oku360-hero__layout {
    padding-inline: clamp(2rem, 5vw, 4rem);
  }

  .oku360-hero__shell {
    grid-template-columns: auto minmax(0, 1fr);
    gap: clamp(2rem, 4vw, 3.25rem);
    width: min(100%, 64rem);
  }

  .oku360-hero__media {
    width: min(34vw, 22rem);
  }

  .oku360-hero__video {
    max-height: min(78vh, 32rem);
  }

  .oku360-hero__copy {
    max-width: 30rem;
  }

  .oku360-hero__glow {
    top: 14%;
    width: 30rem;
    height: 30rem;
    margin-left: -15rem;
  }

  .oku360-hero__rings {
    top: 8%;
    width: min(36rem, 52vw);
    height: min(36rem, 52vw);
    margin-left: calc(min(36rem, 52vw) / -2);
  }

  .oku360-hero h1 {
    font-size: clamp(3.2rem, 7vw, 5rem);
  }

  .oku360-section {
    padding: 4.5rem 0;
  }

  .oku360-points,
  .oku360-chips,
  .oku360-pillars {
    grid-template-columns: repeat(3, 1fr);
  }

  .oku360-grades {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .oku360-covers {
    margin-top: 1.5rem;
  }

  .oku360-catalog-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2rem;
  }

  .oku360-catalog-card {
    grid-template-columns: auto 1fr;
    align-items: start;
    padding: 1.5rem;
  }

  .oku360-catalog-card__cover picture,
  .oku360-catalog-card__cover img {
    width: 7.5rem;
    margin: 0;
  }

  .oku360-steps {
    max-width: 36rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .oku360-hero__glow,
  .oku360-hero__rings {
    will-change: auto;
    transform: none !important;
  }

  .oku360-scrollhint i {
    animation: none;
    transition: none;
  }

  .oku360-step {
    position: relative;
    top: auto;
    min-height: 0;
  }
}