/* ══════════════════════════════════
   SERVICES LANDING PAGE + SERVICE PAGES
   ══════════════════════════════════ */

/* ── PAGE HERO (shared across services pages) ── */
.osb-svc-hero {
  position: relative;
  background: var(--osb-charcoal);
  padding: 100px 0 80px;
  overflow: hidden;
}

.osb-svc-hero__grid {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0.03;
  background-image:
    linear-gradient(90deg, var(--osb-silver) 1px, transparent 1px),
    linear-gradient(180deg, var(--osb-silver) 1px, transparent 1px);
  background-size: 100px 100px; pointer-events: none;
}

.osb-svc-hero__container {
  position: relative; z-index: 2;
  max-width: var(--osb-container-max); margin: 0 auto; padding: 0 48px;
}

.osb-svc-hero__title {
  font-family: var(--osb-font-heading);
  font-size: clamp(40px, 5vw, 64px); font-weight: 700;
  color: var(--osb-off-white); letter-spacing: -0.02em; line-height: 1.1; margin-bottom: 16px;
}

.osb-svc-hero__breadcrumb {
  font-family: var(--osb-font-body); font-size: 14px; color: var(--osb-concrete-light);
}

.osb-svc-hero__breadcrumb a {
  color: var(--osb-concrete-light); text-decoration: none; transition: color 0.2s ease;
}

.osb-svc-hero__breadcrumb a:hover { color: var(--osb-brass); }
.osb-svc-hero__breadcrumb span { color: var(--osb-brass); margin: 0 8px; }

.osb-svc-hero__accent {
  position: absolute; bottom: 0; left: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--osb-brass) 0%, rgba(179,155,106,0.2) 50%, transparent 100%);
}

/* ── LANDING PAGE INTRO ── */
.osb-svc-intro {
  background: var(--osb-off-white);
  padding: 80px 0 0;
}

.osb-svc-intro__container {
  max-width: 760px; margin: 0 auto; padding: 0 48px;
  text-align: center;
}

.osb-svc__label {
  display: inline-flex; align-items: center; gap: 12px;
  margin-bottom: 20px; justify-content: center;
}

.osb-svc__label-line { width: 32px; height: 1px; background: var(--osb-brass); }

.osb-svc__label-text {
  font-family: var(--osb-font-heading); font-size: 12px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase; color: var(--osb-brass);
}

.osb-svc-intro__heading {
  font-family: var(--osb-font-heading);
  font-size: clamp(28px, 3vw, 42px); font-weight: 700;
  color: var(--osb-charcoal); line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 18px;
}

.osb-svc-intro__sub {
  font-family: var(--osb-font-body); font-size: 16px; line-height: 1.7; color: var(--osb-concrete);
}

/* ── LANDING PAGE SERVICE CARDS ── */
.osb-svc-cards {
  background: var(--osb-off-white);
  padding: 56px 0 100px;
}

.osb-svc-cards__container {
  max-width: var(--osb-container-max); margin: 0 auto; padding: 0 48px;
  display: flex; flex-direction: column; gap: 20px;
}

.osb-svc-card {
  display: grid;
  grid-template-columns: 1fr 2fr;
  background: var(--osb-white);
  border: 1px solid var(--osb-border-dark);
  border-left: 3px solid var(--osb-brass);
  text-decoration: none;
  transition: box-shadow 0.35s ease, transform 0.25s ease;
  overflow: hidden;
}

.osb-svc-card:hover {
  box-shadow: 0 12px 40px rgba(0,0,0,0.08);
  transform: translateY(-3px);
}

.osb-svc-card__image {
  position: relative; overflow: hidden; min-height: 220px;
}

.osb-svc-card__image img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.5s ease;
}

.osb-svc-card:hover .osb-svc-card__image img { transform: scale(1.04); }

.osb-svc-card__content {
  padding: 44px 48px; display: flex; flex-direction: column; justify-content: center;
}

.osb-svc-card__number {
  font-family: var(--osb-font-heading); font-size: 40px; font-weight: 700;
  color: rgba(179,155,106,0.12); line-height: 1; margin-bottom: 12px; letter-spacing: -0.03em;
}

.osb-svc-card__title {
  font-family: var(--osb-font-heading); font-size: 24px; font-weight: 600;
  color: var(--osb-charcoal); margin-bottom: 14px; line-height: 1.3; letter-spacing: -0.01em;
}

.osb-svc-card__desc {
  font-family: var(--osb-font-body); font-size: 15px; line-height: 1.7;
  color: var(--osb-concrete); margin-bottom: 24px;
}

.osb-svc-card__link {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--osb-font-heading); font-size: 12px; font-weight: 600;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--osb-brass); text-decoration: none;
}

.osb-svc-card__link-arrow {
  width: 12px; height: 12px; stroke: currentColor; stroke-width: 2; fill: none;
  transition: transform 0.3s ease;
}

.osb-svc-card:hover .osb-svc-card__link-arrow { transform: translateX(3px); }

/* ── SERVICES CTA ── */
.osb-svc-cta {
  position: relative; background: var(--osb-charcoal); padding: 100px 0; overflow: hidden;
}

.osb-svc-cta__bg {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0.05;
  background-image:
    linear-gradient(135deg, rgba(179,155,106,0.3) 1px, transparent 1px),
    linear-gradient(225deg, rgba(179,155,106,0.3) 1px, transparent 1px);
  background-size: 60px 60px; pointer-events: none;
}

.osb-svc-cta__accent {
  position: absolute; top: 0; left: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--osb-brass), transparent);
}

.osb-svc-cta__container {
  position: relative; z-index: 2;
  max-width: var(--osb-container-max); margin: 0 auto; padding: 0 48px; text-align: center;
}

.osb-svc-cta__content { max-width: 640px; margin: 0 auto; }

.osb-svc-cta__heading {
  font-family: var(--osb-font-heading);
  font-size: clamp(28px, 3.2vw, 44px); font-weight: 700;
  color: var(--osb-off-white); line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 18px;
}

.osb-svc-cta__sub {
  font-family: var(--osb-font-body); font-size: 17px; line-height: 1.7;
  color: var(--osb-silver); margin-bottom: 36px;
}

.osb-svc-cta__btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 18px 44px;
  font-family: var(--osb-font-heading); font-size: 14px; font-weight: 600;
  letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none;
  color: var(--osb-charcoal); background: var(--osb-brass);
  border: none; cursor: pointer;
  transition: background 0.3s ease, transform 0.2s ease;
}

.osb-svc-cta__btn:hover { background: var(--osb-brass-hover); transform: translateY(-2px); }

.osb-svc-cta__btn-arrow {
  width: 14px; height: 14px; stroke: currentColor; stroke-width: 2; fill: none;
  transition: transform 0.3s ease;
}

.osb-svc-cta__btn:hover .osb-svc-cta__btn-arrow { transform: translateX(3px); }

/* ── RESPONSIVE ── */
@media (max-width: 1024px) {
  .osb-svc-hero { padding: 80px 0 60px; }
  .osb-svc-hero__container, .osb-svc-intro__container,
  .osb-svc-cards__container, .osb-svc-cta__container { padding: 0 32px; }
  .osb-svc-card__content { padding: 36px 40px; }
  .osb-svc-cta { padding: 80px 0; }
}

@media (max-width: 768px) {
  .osb-svc-hero { padding: 64px 0 48px; }
  .osb-svc-hero__container, .osb-svc-intro__container,
  .osb-svc-cards__container, .osb-svc-cta__container { padding: 0 20px; }
  .osb-svc-card { grid-template-columns: 1fr; }
  .osb-svc-card__image { min-height: 200px; }
  .osb-svc-card__content { padding: 32px 24px; }
  .osb-svc-cards { padding: 40px 0 64px; }
  .osb-svc-cta { padding: 56px 0; }
  .osb-svc-cta__btn { width: 100%; justify-content: center; }
}

@media (min-width: 1600px) {
  .osb-svc-hero__container, .osb-svc-cards__container,
  .osb-svc-cta__container { max-width: 1540px; padding: 0 60px; }
  .osb-svc-intro__container { max-width: 800px; }
}

/* ══════════════════════════════════
   INDIVIDUAL SERVICE PAGES
   ══════════════════════════════════ */

/* ── Shared label/heading styles ── */
.osb-sv__label {
  display: inline-flex; align-items: center;
  gap: 12px; margin-bottom: 20px;
}
.osb-sv__label-line { width: 32px; height: 1px; background: var(--osb-brass); }
.osb-sv__label-text {
  font-family: var(--osb-font-heading);
  font-size: 12px; font-weight: 600;
  letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--osb-brass);
}
.osb-sv__heading {
  font-family: var(--osb-font-heading);
  font-size: clamp(26px, 2.6vw, 38px);
  font-weight: 700; line-height: 1.15;
  letter-spacing: -0.02em; color: var(--osb-charcoal);
}
.osb-sv__heading--light { color: var(--osb-off-white); }
.osb-sv__divider { width: 48px; height: 1px; background: var(--osb-brass); opacity: 0.4; margin-bottom: 24px; }
.osb-sv__body {
  font-family: var(--osb-font-body);
  font-size: 16px; line-height: 1.8; color: var(--osb-concrete);
}
.osb-sv__body--light { color: var(--osb-concrete-light); }

/* ── Service Hero ── */
.osb-sv-hero {
  position: relative; background: var(--osb-charcoal);
  padding: 100px 0 80px; overflow: hidden;
}
.osb-sv-hero__grid {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0.03;
  background-image:
    linear-gradient(90deg, var(--osb-silver) 1px, transparent 1px),
    linear-gradient(180deg, var(--osb-silver) 1px, transparent 1px);
  background-size: 100px 100px; pointer-events: none;
}
.osb-sv-hero__container {
  position: relative; z-index: 2;
  max-width: var(--osb-container-max); margin: 0 auto; padding: 0 48px;
}
.osb-sv-hero__title {
  font-family: var(--osb-font-heading);
  font-size: clamp(36px, 4.5vw, 58px); font-weight: 700;
  color: var(--osb-off-white); letter-spacing: -0.02em; line-height: 1.1;
  margin-bottom: 16px;
}
.osb-sv-hero__breadcrumb {
  font-family: var(--osb-font-body); font-size: 14px; color: var(--osb-concrete-light);
}
.osb-sv-hero__breadcrumb a { color: var(--osb-concrete-light); text-decoration: none; transition: color 0.2s ease; }
.osb-sv-hero__breadcrumb a:hover { color: var(--osb-brass); }
.osb-sv-hero__breadcrumb span { color: var(--osb-brass); margin: 0 8px; }
.osb-sv-hero__accent {
  position: absolute; bottom: 0; left: 0; width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--osb-brass) 0%, rgba(179,155,106,0.2) 50%, transparent 100%);
}

/* ── Service Intro Split ── */
.osb-sv-intro { position: relative; background: var(--osb-off-white); overflow: hidden; }
.osb-sv-intro__split { display: grid; grid-template-columns: 1fr 1.1fr; min-height: 560px; }
.osb-sv-intro__image { position: relative; background: var(--osb-charcoal); overflow: hidden; }
.osb-sv-intro__image img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  opacity: 0; transform: scale(1.04);
  transition: opacity 1s ease, transform 1.2s ease;
}
.osb-sv-intro__image.is-visible img { opacity: 1; transform: scale(1); }
.osb-sv-intro__text {
  display: flex; align-items: center; padding: 72px 64px 72px 80px;
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.8s ease 0.2s, transform 0.8s ease 0.2s;
}
.osb-sv-intro__text.is-visible { opacity: 1; transform: translateY(0); }
.osb-sv-intro__text-inner { max-width: 520px; }
.osb-sv-intro__text .osb-sv__heading { margin-bottom: 24px; }
.osb-sv-intro__text .osb-sv__body { margin-bottom: 18px; }

/* ── What We Deliver ── */
.osb-sv-deliver { background: var(--osb-charcoal); padding: 100px 0; overflow: hidden; }
.osb-sv-deliver__container { max-width: var(--osb-container-max); margin: 0 auto; padding: 0 48px; }
.osb-sv-deliver__header { margin-bottom: 56px; }
.osb-sv-deliver__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.osb-sv-deliver__item {
  position: relative; background: var(--osb-graphite);
  border: 1px solid var(--osb-border); border-left: 3px solid var(--osb-brass);
  padding: 28px 32px; transition: box-shadow 0.3s ease;
}
.osb-sv-deliver__item:hover { box-shadow: 0 8px 28px rgba(0,0,0,0.25); }
.osb-sv-deliver__item-icon {
  width: 24px; height: 24px; stroke: var(--osb-brass); stroke-width: 2; fill: none;
  margin-bottom: 14px;
}
.osb-sv-deliver__item-text {
  font-family: var(--osb-font-heading); font-size: 16px; font-weight: 500;
  color: var(--osb-silver-light); line-height: 1.4; letter-spacing: -0.01em;
}

/* ── Our Approach ── */
.osb-sv-approach { background: var(--osb-off-white); padding: 100px 0; overflow: hidden; }
.osb-sv-approach__container {
  max-width: var(--osb-container-max); margin: 0 auto; padding: 0 48px;
  display: grid; grid-template-columns: 0.4fr 1fr; gap: 80px; align-items: start;
}
.osb-sv-approach__right .osb-sv__body { margin-bottom: 18px; }

/* ── Why Choose Us ── */
.osb-sv-why { background: var(--osb-charcoal); padding: 100px 0; overflow: hidden; }
.osb-sv-why__container { max-width: var(--osb-container-max); margin: 0 auto; padding: 0 48px; }
.osb-sv-why__header { margin-bottom: 56px; }
.osb-sv-why__sub {
  font-family: var(--osb-font-body); font-size: 17px; line-height: 1.7;
  color: var(--osb-concrete-light); max-width: 640px; margin-top: 16px;
}
.osb-sv-why__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.osb-sv-why__pillar {
  position: relative; padding: 36px 32px; background: var(--osb-graphite);
  border: 1px solid var(--osb-border); border-top: 2px solid var(--osb-brass);
}
.osb-sv-why__pillar-title {
  font-family: var(--osb-font-heading); font-size: 20px; font-weight: 600;
  color: var(--osb-off-white); margin-bottom: 14px; line-height: 1.3;
}
.osb-sv-why__pillar-desc {
  font-family: var(--osb-font-body); font-size: 15px; line-height: 1.75;
  color: var(--osb-concrete-light);
}

/* ── FAQ ── */
.osb-sv-faq { background: var(--osb-off-white); padding: 100px 0; overflow: hidden; }
.osb-sv-faq__container { max-width: 820px; margin: 0 auto; padding: 0 48px; }
.osb-sv-faq__header { text-align: center; margin-bottom: 48px; }
.osb-sv-faq__header .osb-sv__label { justify-content: center; }
.osb-sv-faq__item { border-bottom: 1px solid var(--osb-border-dark); }
.osb-sv-faq__question {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; padding: 22px 0; background: none; border: none;
  cursor: pointer; text-align: left;
  font-family: var(--osb-font-heading); font-size: 17px; font-weight: 600;
  color: var(--osb-charcoal); letter-spacing: -0.01em; line-height: 1.4; gap: 16px;
}
.osb-sv-faq__question:hover { color: var(--osb-brass); }
.osb-sv-faq__icon {
  width: 20px; height: 20px; flex-shrink: 0;
  stroke: var(--osb-brass); stroke-width: 2; fill: none;
  transition: transform 0.3s ease;
}
.osb-sv-faq__item.osb-faq-open .osb-sv-faq__icon { transform: rotate(45deg); }
.osb-sv-faq__answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.4s ease; }
.osb-sv-faq__item.osb-faq-open .osb-sv-faq__answer { max-height: 300px; padding-bottom: 22px; }
.osb-sv-faq__answer-text {
  font-family: var(--osb-font-body); font-size: 15px; line-height: 1.75; color: var(--osb-concrete);
}

/* ── Other Services ── */
.osb-sv-other { background: var(--osb-graphite); padding: 80px 0; overflow: hidden; }
.osb-sv-other__container { max-width: var(--osb-container-max); margin: 0 auto; padding: 0 48px; }
.osb-sv-other__header { margin-bottom: 40px; }
.osb-sv-other__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.osb-sv-other__link {
  display: flex; align-items: center; justify-content: space-between;
  padding: 24px 28px; background: var(--osb-charcoal);
  border: 1px solid var(--osb-border); text-decoration: none;
  transition: border-color 0.3s ease, transform 0.2s ease; gap: 12px;
}
.osb-sv-other__link:hover { border-color: var(--osb-brass); transform: translateY(-2px); }
.osb-sv-other__link-text {
  font-family: var(--osb-font-heading); font-size: 14px; font-weight: 500;
  color: var(--osb-silver-light); letter-spacing: 0.02em; line-height: 1.3;
}
.osb-sv-other__link:hover .osb-sv-other__link-text { color: var(--osb-brass); }
.osb-sv-other__link-arrow {
  width: 14px; height: 14px; flex-shrink: 0;
  stroke: var(--osb-brass); stroke-width: 2; fill: none;
  transition: transform 0.3s ease;
}
.osb-sv-other__link:hover .osb-sv-other__link-arrow { transform: translateX(3px); }

/* ── Service CTA ── */
.osb-sv-cta { position: relative; background: var(--osb-charcoal); padding: 100px 0; overflow: hidden; }
.osb-sv-cta__bg {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%; opacity: 0.05;
  background-image:
    linear-gradient(135deg, rgba(179,155,106,0.3) 1px, transparent 1px),
    linear-gradient(225deg, rgba(179,155,106,0.3) 1px, transparent 1px);
  background-size: 60px 60px; pointer-events: none;
}
.osb-sv-cta__accent { position: absolute; top: 0; left: 0; width: 100%; height: 2px; background: linear-gradient(90deg, transparent, var(--osb-brass), transparent); }
.osb-sv-cta__container { position: relative; z-index: 2; max-width: var(--osb-container-max); margin: 0 auto; padding: 0 48px; text-align: center; }
.osb-sv-cta__content { max-width: 640px; margin: 0 auto; }
.osb-sv-cta__heading { font-family: var(--osb-font-heading); font-size: clamp(28px, 3.2vw, 44px); font-weight: 700; color: var(--osb-off-white); line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 18px; }
.osb-sv-cta__sub { font-family: var(--osb-font-body); font-size: 17px; line-height: 1.7; color: var(--osb-silver); margin-bottom: 36px; }
.osb-sv-cta__btn { display: inline-flex; align-items: center; gap: 10px; padding: 18px 44px; font-family: var(--osb-font-heading); font-size: 14px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; text-decoration: none; color: var(--osb-charcoal); background: var(--osb-brass); border: none; cursor: pointer; transition: background 0.3s ease, transform 0.2s ease; }
.osb-sv-cta__btn:hover { background: var(--osb-brass-hover); transform: translateY(-2px); }
.osb-sv-cta__btn-arrow { width: 14px; height: 14px; stroke: currentColor; stroke-width: 2; fill: none; transition: transform 0.3s ease; }
.osb-sv-cta__btn:hover .osb-sv-cta__btn-arrow { transform: translateX(3px); }

/* ── Service Pages Responsive ── */
@media (max-width: 1024px) {
  .osb-sv-hero { padding: 80px 0 60px; }
  .osb-sv-hero__container, .osb-sv-deliver__container,
  .osb-sv-approach__container, .osb-sv-why__container,
  .osb-sv-faq__container, .osb-sv-other__container,
  .osb-sv-cta__container { padding: 0 32px; }
  .osb-sv-intro__split { grid-template-columns: 1fr 1fr; min-height: 480px; }
  .osb-sv-intro__text { padding: 56px 40px 56px 48px; }
  .osb-sv-deliver__grid { grid-template-columns: repeat(2, 1fr); }
  .osb-sv-approach__container { grid-template-columns: 1fr; gap: 32px; }
  .osb-sv-why__grid { grid-template-columns: repeat(3, 1fr); gap: 20px; }
  .osb-sv-other__grid { grid-template-columns: repeat(2, 1fr); }
  .osb-sv-deliver, .osb-sv-approach, .osb-sv-why, .osb-sv-faq, .osb-sv-other, .osb-sv-cta { padding: 80px 0; }
}

@media (max-width: 768px) {
  .osb-sv-hero { padding: 64px 0 48px; }
  .osb-sv-hero__container, .osb-sv-deliver__container,
  .osb-sv-approach__container, .osb-sv-why__container,
  .osb-sv-faq__container, .osb-sv-other__container,
  .osb-sv-cta__container { padding: 0 20px; }
  .osb-sv-intro__split { grid-template-columns: 1fr; min-height: auto; }
  .osb-sv-intro__image { height: 320px; }
  .osb-sv-intro__text { padding: 44px 20px 52px; }
  .osb-sv-intro__text-inner { max-width: 100%; }
  .osb-sv-deliver__grid, .osb-sv-why__grid, .osb-sv-other__grid { grid-template-columns: 1fr; }
  .osb-sv-deliver, .osb-sv-approach, .osb-sv-why, .osb-sv-faq, .osb-sv-other, .osb-sv-cta { padding: 56px 0; }
  .osb-sv-cta__btn { width: 100%; justify-content: center; }
}

@media (min-width: 1600px) {
  .osb-sv-hero__container, .osb-sv-deliver__container,
  .osb-sv-approach__container, .osb-sv-why__container,
  .osb-sv-other__container, .osb-sv-cta__container { max-width: 1540px; padding: 0 60px; }
  .osb-sv-faq__container { max-width: 880px; }
  .osb-sv-intro__text { padding: 88px 80px 88px 96px; }
  .osb-sv-intro__text-inner { max-width: 540px; }
}