.sd-hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #231f20;
}

.sd-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.sd-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.45;
}

.sd-hero-content {
  position: relative;
  z-index: 1;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 40px 100px;
  width: 100%;
}

.sd-hero-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #9e341f;
  font-weight: 600;
  margin-bottom: 24px;
}

.sd-hero-label::before {
  content: '';
  display: block;
  width: 40px;
  height: 2px;
  background: #9e341f;
}

.sd-hero h1 {
  font-size: 64px;
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin: 0 0 24px;
  max-width: 700px;
}

.sd-hero-intro {
  font-size: 18px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.75);
  max-width: 580px;
  margin: 0;
}

.sd-hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 12px;
  display: flex;
  justify-content: center;
  padding-top: 8px;
}

.sd-hero-scroll-dot {
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 2px;
  animation: sdScrollPulse 1.8s ease-in-out infinite;
}

@keyframes sdScrollPulse {
  0%, 100% { opacity: 1; transform: translateY(0); }
  50% { opacity: 0.3; transform: translateY(8px); }
}

.sd-section {
  padding: 120px 0;
}

.sd-container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 40px;
}

.sd-section-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #9e341f;
  font-weight: 600;
  margin-bottom: 20px;
}

.sd-section-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: #9e341f;
}

.sd-about {
  background: #faf8f5;
}

.sd-about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.sd-about-text h2 {
  font-size: 38px;
  font-weight: 700;
  color: #231f20;
  line-height: 1.25;
  margin: 0 0 28px;
}

.sd-about-text p {
  font-size: 16px;
  line-height: 1.85;
  color: #555;
  margin: 0;
}

.sd-about-img {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/5;
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.08);
}

.sd-about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sd-perspective {
  background: #231f20;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.sd-perspective::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6px;
  height: 100%;
  background: #9e341f;
}

.sd-perspective-inner {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 40px 0 80px;
}

.sd-perspective-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: #9e341f;
  font-weight: 600;
  margin-bottom: 28px;
}

.sd-perspective-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: #9e341f;
}

.sd-perspective h2 {
  font-size: 36px;
  font-weight: 700;
  color: #e5d9c6;
  line-height: 1.3;
  margin: 0 0 32px;
  max-width: 700px;
}

.sd-perspective-quote {
  font-size: 22px;
  line-height: 1.7;
  color: rgba(229, 217, 198, 0.6);
  max-width: 780px;
  margin: 0 0 36px;
  font-style: italic;
}

.sd-perspective-body {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(229, 217, 198, 0.75);
  max-width: 780px;
  margin: 0;
}

.sd-process {
  background: #fff;
}

.sd-process-header {
  text-align: center;
  margin-bottom: 80px;
}

.sd-process-header h2 {
  font-size: 38px;
  font-weight: 700;
  color: #231f20;
  margin: 0;
  line-height: 1.25;
}

.sd-timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
}

.sd-timeline-line {
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: #e8e3db;
}

.sd-timeline-item {
  position: relative;
  display: flex;
  gap: 40px;
  padding-bottom: 56px;
}

.sd-timeline-item:last-child {
  padding-bottom: 0;
}

.sd-timeline-num {
  position: relative;
  z-index: 1;
  width: 56px;
  height: 56px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  background: #9e341f;
  border-radius: 50%;
}

.sd-timeline-content {
  padding-top: 4px;
  flex: 1;
}

.sd-timeline-content h3 {
  font-size: 20px;
  font-weight: 700;
  color: #231f20;
  margin: 0 0 10px;
  line-height: 1.3;
}

.sd-timeline-content p {
  font-size: 15px;
  line-height: 1.75;
  color: #666;
  margin: 0;
}

.sd-suitability {
  background: #faf8f5;
}

.sd-suitability-header {
  margin-bottom: 60px;
}

.sd-suitability-header h2 {
  font-size: 36px;
  font-weight: 700;
  color: #231f20;
  margin: 0 0 16px;
  line-height: 1.25;
}

.sd-suitability-header p {
  font-size: 16px;
  color: #666;
  line-height: 1.7;
  max-width: 620px;
  margin: 0;
}

.sd-suitability-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.sd-suit-card {
  background: #fff;
  border-radius: 10px;
  padding: 40px 36px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sd-suit-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
}

.sd-suit-num {
  font-size: 13px;
  font-weight: 700;
  color: #9e341f;
  letter-spacing: 0.04em;
  margin-bottom: 16px;
  opacity: 0.7;
}

.sd-suit-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: #231f20;
  margin: 0 0 12px;
  line-height: 1.35;
}

.sd-suit-card p {
  font-size: 14px;
  line-height: 1.75;
  color: #777;
  margin: 0;
}

.sd-approach {
  background: #fff;
}

.sd-approach-header {
  text-align: center;
  margin-bottom: 72px;
}

.sd-approach-header h2 {
  font-size: 38px;
  font-weight: 700;
  color: #231f20;
  margin: 0 0 16px;
  line-height: 1.25;
}

.sd-approach-header p {
  font-size: 16px;
  color: #666;
  line-height: 1.7;
  max-width: 620px;
  margin: 0 auto;
}

.sd-approach-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.sd-appr-card {
  text-align: center;
  padding: 44px 28px;
  background: #faf8f5;
  border-radius: 10px;
  border: 1px solid rgba(0, 0, 0, 0.04);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.sd-appr-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.06);
}

.sd-appr-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #231f20;
  border-radius: 50%;
}

.sd-appr-icon span {
  font-size: 20px;
  font-weight: 700;
  color: #e5d9c6;
}

.sd-appr-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: #231f20;
  margin: 0 0 12px;
  line-height: 1.35;
}

.sd-appr-card p {
  font-size: 14px;
  line-height: 1.7;
  color: #777;
  margin: 0;
}

.sd-cta {
  background: #e5d9c6;
  padding: 100px 0;
  text-align: center;
}

.sd-cta h2 {
  font-size: 42px;
  font-weight: 700;
  color: #231f20;
  margin: 0 0 20px;
  line-height: 1.2;
}

.sd-cta p {
  font-size: 17px;
  color: #555;
  line-height: 1.7;
  max-width: 520px;
  margin: 0 auto 40px;
}

.sd-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: #9e341f;
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  padding: 16px 36px;
  border-radius: 6px;
  transition: background 0.3s ease, transform 0.15s ease;
  letter-spacing: 0.02em;
}

.sd-cta-btn:hover {
  background: #872c1a;
  transform: translateY(-2px);
}

.sd-cta-btn img {
  width: 16px;
  height: 16px;
  filter: brightness(0) invert(1);
}

.sd-other-services {
  padding: 60px 0;
  background: #fff;
  border-top: 1px solid #e8e3db;
}

.sd-other-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: #9e341f;
  font-weight: 600;
  margin-bottom: 20px;
}

.sd-other-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sd-other-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 500;
  color: #231f20;
  text-decoration: none;
  padding: 10px 22px;
  border-radius: 6px;
  background: #faf8f5;
  border: 1px solid rgba(0, 0, 0, 0.06);
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.sd-other-tag:hover,
.sd-other-tag.active {
  background: #231f20;
  color: #e5d9c6;
  border-color: #231f20;
}

@media screen and (max-width: 991px) {
  .sd-hero {
    min-height: 70vh;
  }
  .sd-hero h1 {
    font-size: 48px;
  }
  .sd-hero-intro {
    font-size: 16px;
  }
  .sd-hero-content {
    padding: 0 30px 80px;
  }
  .sd-section {
    padding: 80px 0;
  }
  .sd-container {
    padding: 0 30px;
  }
  .sd-about-grid {
    gap: 50px;
  }
  .sd-about-text h2,
  .sd-process-header h2,
  .sd-approach-header h2 {
    font-size: 32px;
  }
  .sd-suitability-header h2 {
    font-size: 30px;
  }
  .sd-perspective h2 {
    font-size: 30px;
  }
  .sd-perspective-inner {
    padding: 0 30px 0 60px;
  }
  .sd-perspective-quote {
    font-size: 19px;
  }
  .sd-approach-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sd-cta h2 {
    font-size: 34px;
  }
}

@media screen and (max-width: 767px) {
  .sd-hero {
    min-height: 60vh;
  }
  .sd-hero h1 {
    font-size: 36px;
  }
  .sd-hero-intro {
    font-size: 15px;
  }
  .sd-hero-content {
    padding: 0 24px 60px;
  }
  .sd-hero-scroll {
    display: none;
  }
  .sd-section {
    padding: 60px 0;
  }
  .sd-container {
    padding: 0 24px;
  }
  .sd-about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .sd-about-img {
    aspect-ratio: 16/9;
    max-height: 320px;
    order: -1;
  }
  .sd-about-text h2,
  .sd-process-header h2,
  .sd-approach-header h2 {
    font-size: 28px;
  }
  .sd-suitability-header h2 {
    font-size: 26px;
  }
  .sd-perspective {
    padding: 60px 0;
  }
  .sd-perspective::before {
    width: 4px;
  }
  .sd-perspective-inner {
    padding: 0 24px 0 40px;
  }
  .sd-perspective h2 {
    font-size: 26px;
  }
  .sd-perspective-quote {
    font-size: 17px;
  }
  .sd-perspective-body {
    font-size: 15px;
  }
  .sd-process-header {
    margin-bottom: 48px;
  }
  .sd-timeline {
    max-width: 100%;
  }
  .sd-timeline-line {
    left: 20px;
  }
  .sd-timeline-item {
    gap: 24px;
    padding-bottom: 40px;
  }
  .sd-timeline-num {
    width: 40px;
    height: 40px;
    font-size: 15px;
  }
  .sd-timeline-content h3 {
    font-size: 17px;
  }
  .sd-suitability-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .sd-suitability-header {
    margin-bottom: 36px;
  }
  .sd-approach-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .sd-approach-header {
    margin-bottom: 40px;
  }
  .sd-cta {
    padding: 60px 0;
  }
  .sd-cta h2 {
    font-size: 28px;
  }
}

@media screen and (max-width: 479px) {
  .sd-hero h1 {
    font-size: 30px;
  }
  .sd-hero-content {
    padding: 0 16px 48px;
  }
  .sd-section {
    padding: 48px 0;
  }
  .sd-container {
    padding: 0 16px;
  }
  .sd-about-text h2,
  .sd-process-header h2,
  .sd-approach-header h2 {
    font-size: 24px;
  }
  .sd-perspective h2 {
    font-size: 22px;
  }
  .sd-perspective-quote {
    font-size: 15px;
  }
  .sd-perspective-inner {
    padding: 0 16px 0 28px;
  }
  .sd-cta h2 {
    font-size: 24px;
  }
  .sd-suit-card {
    padding: 28px 24px;
  }
  .sd-appr-card {
    padding: 32px 20px;
  }
}

[dir="rtl"] .sd-hero-label::before,
[dir="rtl"] .sd-section-label::before,
[dir="rtl"] .sd-perspective-label::before {
  order: 1;
}

[dir="rtl"] .sd-perspective::before {
  left: auto;
  right: 0;
}

[dir="rtl"] .sd-perspective-inner {
  padding: 0 80px 0 40px;
}

[dir="rtl"] .sd-timeline-line {
  left: auto;
  right: 28px;
}

@media screen and (max-width: 991px) {
  [dir="rtl"] .sd-perspective-inner {
    padding: 0 60px 0 30px;
  }
}

@media screen and (max-width: 767px) {
  [dir="rtl"] .sd-perspective-inner {
    padding: 0 40px 0 24px;
  }
  [dir="rtl"] .sd-timeline-line {
    right: 20px;
  }
}

@media screen and (max-width: 479px) {
  [dir="rtl"] .sd-perspective-inner {
    padding: 0 28px 0 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .sd-hero-scroll-dot {
    animation: none;
  }
}