/* =========================
   Platform Hero
   ========================= */

.platform-hero {
  min-height: 72vh;
  display: flex;
  align-items: center;
  background:
    linear-gradient(rgba(17, 17, 17, 0.78), rgba(17, 17, 17, 0.78)),
    url("../../images/hero-bg.png");
  background-size: cover;
  background-position: center;
  color: var(--color-white);
  padding: 120px 0;
}

.platform-hero-title {
  font-size: clamp(42px, 6vw, 82px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-white);
  margin-bottom: 26px;
}

.platform-hero-text {
  max-width: 780px;
  font-size: 19px;
  line-height: 1.8;
  color: #e8e1d6;
}

/* =========================
   Intro Box
   ========================= */

.platform-intro-box {
  background-color: var(--color-black);
  color: var(--color-white);
  border-radius: 30px;
  padding: 60px;
  border: 1px solid rgba(201, 162, 77, 0.35);
  box-shadow: 0 25px 70px rgba(17, 17, 17, 0.14);
  position: relative;
  overflow: hidden;
}

.platform-intro-box::after {
  content: "";
  position: absolute;
  width: 340px;
  height: 340px;
  right: -120px;
  top: -120px;
  border-radius: 50%;
  background: radial-gradient(
    circle,
    rgba(201, 162, 77, 0.22),
    transparent 68%
  );
}

.platform-intro-box h2 {
  position: relative;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.2;
  color: var(--color-white);
  margin-bottom: 0;
}

.platform-intro-box p {
  position: relative;
  color: #e3d9cc;
  font-size: 18px;
  line-height: 1.8;
  margin-bottom: 0;
}

/* =========================
   Platform Layers
   ========================= */

.platform-layers {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.platform-layer {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 28px;
  align-items: stretch;
  background-color: var(--color-cream);
  border: 1px solid #eadcc5;
  border-radius: 26px;
  padding: 28px;
  transition: all 0.3s ease;
}

.platform-layer:hover {
  transform: translateX(8px);
  border-color: var(--color-gold);
  box-shadow: 0 20px 55px rgba(17, 17, 17, 0.08);
}

.layer-number {
  min-height: 100%;
  border-radius: 20px;
  background-color: var(--color-black);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
}

.layer-content span {
  display: inline-block;
  color: var(--color-gold);
  text-transform: uppercase;
  letter-spacing: 1.8px;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 12px;
}

.layer-content h3 {
  color: var(--color-black);
  font-size: 28px;
  margin-bottom: 12px;
}

.layer-content p {
  color: #555555;
  font-size: 17px;
  line-height: 1.75;
  margin-bottom: 0;
}

/* =========================
   Feature Rows
   ========================= */

.platform-feature-list {
  border-top: 1px solid rgba(201, 162, 77, 0.28);
}

.platform-feature-row {
  display: grid;
  grid-template-columns: 38% 1fr;
  gap: 40px;
  padding: 34px 0;
  border-bottom: 1px solid rgba(201, 162, 77, 0.28);
  align-items: start;
}

.feature-row-title {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

.feature-row-title span {
  color: var(--color-gold);
  font-size: 18px;
  font-weight: 700;
}

.feature-row-title h3 {
  color: var(--color-white);
  font-size: 28px;
  margin-bottom: 0;
}

.platform-feature-row p {
  color: #ddd4c8;
  font-size: 17px;
  line-height: 1.75;
  margin-bottom: 0;
}

/* =========================
   Workflow
   ========================= */

.workflow-line {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  position: relative;
  gap: 18px;
}

.workflow-line::before {
  content: "";
  position: absolute;
  top: 31px;
  left: 8%;
  right: 8%;
  height: 2px;
  background-color: #e0cda9;
}

.workflow-step {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 0 8px;
}

.workflow-step span {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background-color: var(--color-black);
  border: 4px solid var(--color-gold);
  color: var(--color-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  margin: 0 auto 22px;
}

.workflow-step h3 {
  font-size: 22px;
  color: var(--color-black);
  margin-bottom: 10px;
}

.workflow-step p {
  color: #555555;
  line-height: 1.6;
  margin-bottom: 0;
}

/* =========================
   Standards Section
   ========================= */

.platform-standards-section {
  padding: 80px 0;
  background-color: var(--color-black);
  color: var(--color-white);
  border-top: 1px solid rgba(201, 162, 77, 0.25);
  border-bottom: 1px solid rgba(201, 162, 77, 0.25);
}

.platform-standards-section h2 {
  color: var(--color-white);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.2;
  margin-bottom: 0;
}

.standards-list {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: flex-end;
}

.standards-list span {
  color: var(--color-gold);
  border: 1px solid rgba(201, 162, 77, 0.45);
  background-color: rgba(255, 255, 255, 0.04);
  padding: 12px 20px;
  border-radius: 999px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

/* =========================
   CTA
   ========================= */

.platform-cta-section {
  padding: 110px 0;
  background:
    linear-gradient(rgba(17, 17, 17, 0.86), rgba(17, 17, 17, 0.86)),
    url("../../images/library.png");
  background-size: cover;
  background-position: center;
  color: var(--color-white);
}

.platform-cta-section h2 {
  font-size: clamp(34px, 4vw, 56px);
  max-width: 900px;
  margin: 0 auto 22px;
  color: var(--color-white);
  line-height: 1.2;
}

.platform-cta-section p {
  max-width: 720px;
  margin: 0 auto;
  color: #e3d9cc;
  font-size: 18px;
  line-height: 1.7;
}

/* =========================
   Responsive
   ========================= */

@media (max-width: 991px) {
  .platform-hero {
    min-height: auto;
    padding: 140px 0 90px;
  }

  .platform-intro-box {
    padding: 42px;
  }

  .platform-feature-row {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .workflow-line {
    grid-template-columns: 1fr;
    gap: 26px;
  }

  .workflow-line::before {
    display: none;
  }

  .workflow-step {
    background-color: var(--color-white);
    border: 1px solid #eadcc5;
    border-radius: 22px;
    padding: 28px;
  }

  .standards-list {
    justify-content: flex-start;
  }
}

@media (max-width: 767px) {
  .platform-hero {
    text-align: center;
    padding: 120px 0 80px;
  }

  .platform-hero-text {
    margin-left: auto;
    margin-right: auto;
    font-size: 17px;
  }

  .platform-intro-box {
    padding: 32px;
    text-align: center;
  }

  .platform-layer {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 24px;
  }

  .platform-layer:hover {
    transform: translateY(-6px);
  }

  .layer-number {
    width: 70px;
    height: 70px;
  }

  .layer-content h3,
  .feature-row-title h3 {
    font-size: 23px;
  }

  .platform-feature-row {
    padding: 28px 0;
  }

  .platform-standards-section {
    padding: 65px 0;
  }

  .platform-cta-section {
    padding: 80px 0;
  }
}

@media (max-width: 575px) {
  .platform-hero-title {
    font-size: 38px;
  }

  .platform-intro-box h2 {
    font-size: 27px;
  }

  .platform-intro-box p,
  .platform-feature-row p,
  .layer-content p,
  .platform-cta-section p {
    font-size: 16px;
  }

  .standards-list span {
    width: 100%;
    text-align: center;
  }
}