/* ==========================================================================
   SLB Mobile OMT Move iT — Case Study 2: Asset Mobilization
   Theme: Dark Slate & Electric Blue (#030712, #2B7FFF, #101828)
   ========================================================================== */

:root {
  --bg-main: #030712;
  --bg-card: rgba(16, 24, 40, 0.75);
  --bg-card-hover: rgba(22, 33, 56, 0.85);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --border-subtle: #1E2939;
  --border-glow: rgba(43, 127, 255, 0.35);
  --primary-blue: #2B7FFF;
  --primary-blue-soft: rgba(43, 127, 255, 0.2);
  --primary-blue-glow: rgba(43, 127, 255, 0.4);
  --accent-cyan: #51A2FF;
  --accent-light: #8EC5FF;
  --text-white: #FFFFFF;
  --text-muted: #D1D5DC;
  --text-dim: #9CA3AF;
  --text-dark: #6A7282;
  --success-green: #05DF72;
  --danger-red: #FF6467;
  --purple-accent: #C27AFF;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'DM Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --container-max: 1204px;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-main);
  color: var(--text-white);
  font-family: var(--font-main);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background-color: var(--bg-main);
  color: var(--text-white);
  overflow-x: hidden;
  line-height: 1.6;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Container */
.slb-container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

.slb-container--wide {
  max-width: 1280px;
}

/* Section Header Shared */
.slb-section-header {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 56px;
}

.slb-section-header--left {
  text-align: left;
  margin-left: 0;
}

.slb-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 18px;
  background: var(--primary-blue-soft);
  border: 1px solid var(--primary-blue-soft);
  border-radius: 8px;
  color: var(--accent-light);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: -0.15px;
  text-transform: capitalize;
  margin-bottom: 20px;
}

.slb-section-title {
  font-size: clamp(32px, 4vw, 56px);
  font-weight: 700;
  line-height: 1.15;
  color: var(--text-white);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.slb-section-sub {
  font-size: clamp(16px, 1.4vw, 20px);
  color: var(--text-dim);
  line-height: 1.5;
}

/* ==========================================================================
   1. EnhancedHero Section
   ========================================================================== */
.slb-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 40px 24px 60px;
  background-color: var(--bg-main);
  overflow: hidden;
}

.slb-hero__bg-wrap {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.slb-hero__bg-wrap picture,
.slb-hero__bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  display: block;
}

.slb-hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(3, 7, 18, 0.78) 0%, rgba(13, 31, 79, 0.38) 38%, rgba(20, 47, 120, 0.15) 75%, rgba(3, 7, 18, 0.95) 100%);
  pointer-events: none;
}

.slb-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 20%, rgba(43, 127, 255, 0.15), transparent 70%);
  pointer-events: none;
  z-index: 1;
}
.slb-hero__top {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.slb-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  background: rgba(16, 24, 40, 0.65);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 9999px;
  color: var(--text-white);
  font-size: 14px;
  font-weight: 500;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.slb-back-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.35);
  transform: translateX(-4px);
}

.slb-back-btn svg {
  transition: transform 0.2s ease;
}

.slb-hero__content {
  width: 100%;
  max-width: 1240px;
  margin: 40px auto;
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: relative;
  z-index: 2;
}

.slb-badge--hero {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  padding: 0 14px;
  background: rgba(43, 127, 255, 0.16);
  border: 1px solid rgba(43, 127, 255, 0.35);
  border-radius: 999px;
  color: #8EC5FF;
  font-size: 12px;
  font-weight: 600;
  line-height: 1;
  letter-spacing: 0.02em;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  width: fit-content;
  margin-bottom: 0;
}

.slb-hero__title {
  font-size: clamp(34px, 4.5vw, 60px);
  font-weight: 700;
  line-height: 1.18;
  color: var(--text-white);
  max-width: 1100px;
  letter-spacing: -0.5px;
  margin: 0;
  text-shadow: 0 2px 24px rgba(3, 7, 18, 0.75), 0 1px 4px rgba(3, 7, 18, 0.9);
}

/* Hero Metadata Card (Static, non-interactive matching CS1) */
.slb-hero__meta-card {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  padding: 24px 32px;
  background: rgba(16, 24, 40, 0.82);
  border: 1.2px solid var(--border-subtle);
  border-radius: 20px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  max-width: fit-content;
  margin-top: 10px;
  margin-bottom: 0;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.5);
}

.slb-meta-col {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.slb-meta-col__label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.75px;
  text-transform: uppercase;
  color: var(--text-dim);
}

.slb-meta-col__value {
  font-size: 17px;
  font-weight: 500;
  color: var(--text-white);
  line-height: 1.4;
}

.slb-tools-list {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.slb-tool-pill {
  padding: 4px 12px;
  background: #1E2939;
  border-radius: 6px;
  font-size: 13.5px;
  font-weight: 400;
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

/* Aligned Scroll to Explore Action */
.slb-hero__bottom {
  width: fit-content;
  margin: 32px 0 0 0;
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-white);
  font-size: 13.5px;
  letter-spacing: 0.75px;
  text-transform: uppercase;
  font-weight: 600;
  padding: 10px 22px;
  background: rgba(16, 24, 40, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 9999px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
}

.slb-hero__bottom:hover {
  background: rgba(43, 127, 255, 0.25);
  border-color: rgba(81, 162, 255, 0.6);
  box-shadow: 0 0 24px rgba(43, 127, 255, 0.45);
  transform: translateY(2px);
}

.slb-scroll-arrow {
  color: var(--accent-light);
  animation: arrowBounceDown 1.8s infinite ease-in-out;
}

@keyframes arrowBounceDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(5px); }
}

/* ==========================================================================
   2. The Client Section
   ========================================================================== */
.slb-client {
  padding: 100px 0;
  background: var(--bg-main);
  position: relative;
}

.slb-client__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.slb-client__heading {
  font-size: clamp(36px, 4vw, 56px);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 20px;
  letter-spacing: -0.02em;
}

.slb-client__tagline {
  font-size: 20px;
  font-weight: 600;
  color: var(--accent-cyan);
  margin-bottom: 18px;
  line-height: 1.4;
}

.slb-client__prose {
  font-size: 18px;
  line-height: 1.75;
  color: var(--text-muted);
}

.slb-client__image-wrap {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
  background: #101828;
  aspect-ratio: 584 / 389;
}

.slb-client__image-wrap picture,
.slb-client__image-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.slb-client__image-wrap:hover img {
  transform: scale(1.03);
}

/* ==========================================================================
   3. Problem Definition / Challenge Section
   ========================================================================== */
.slb-problem {
  padding: 100px 0;
  background: var(--bg-main);
  position: relative;
}

.slb-problem__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  margin-bottom: 60px;
}

.slb-problem-card {
  position: relative;
  background: rgba(16, 24, 40, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 14px;
  padding: 28px 24px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.3s ease;
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
}

/* Animated Left Vertical Beam (Matching CS1) */
.slb-problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, #3B82F6, #60A5FA);
  transition: height 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 2;
  pointer-events: none;
}

/* Mouse Spotlight Layer */
.slb-problem-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: radial-gradient(
    380px circle at var(--mouse-x, -999px) var(--mouse-y, -999px),
    rgba(59, 130, 246, 0.15),
    transparent 70%
  );
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.slb-problem-card:hover {
  transform: translateY(-5px);
  border-color: #3B82F6;
  box-shadow: 0 12px 28px -6px rgba(3, 7, 18, 0.8), 0 0 20px rgba(59, 130, 246, 0.25);
}

.slb-problem-card:hover::before {
  height: 100%;
}

.slb-problem-card:hover::after {
  opacity: 1;
}

.slb-problem-card__top {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 16px;
}

.slb-problem-card__icon-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(43, 127, 255, 0.15);
  border: 1px solid rgba(43, 127, 255, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-light);
}

.slb-problem-card__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: -0.01em;
}

.slb-problem-card__text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* My Responsibility Card */
.slb-responsibility-card {
  position: relative;
  border-radius: 24px;
  padding: 48px;
  background: linear-gradient(135deg, rgba(22, 36, 86, 0.95) 0%, rgba(81, 162, 255, 0.12) 100%);
  border: 1px solid rgba(81, 162, 255, 0.3);
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.7);
  overflow: hidden;
}

.slb-responsibility-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(81, 162, 255, 0.15), transparent 70%);
  pointer-events: none;
}

.slb-responsibility__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.slb-responsibility__icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFD700;
}

.slb-responsibility__title {
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: -0.01em;
}

.slb-responsibility__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px 36px;
}

.slb-resp-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.slb-resp-item__num {
  width: 32px;
  height: 32px;
  min-width: 32px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: var(--accent-light);
}

.slb-resp-item__text {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-white);
}

/* ==========================================================================
   4. Research Findings Section
   ========================================================================== */
.slb-research {
  padding: 100px 0;
  background: var(--bg-main);
  position: relative;
}

.slb-research__overview {
  background: rgba(16, 24, 40, 0.6);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 40px;
  margin-bottom: 50px;
}

.slb-research__subhead {
  font-size: 26px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 16px;
}

.slb-research__prose {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-muted);
}

.slb-pain-points-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.slb-pain-card {
  position: relative;
  background: rgba(16, 24, 40, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 32px 28px;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
}

.slb-pain-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 100, 103, 0.4);
  box-shadow: 0 16px 32px -8px rgba(255, 100, 103, 0.15);
}

.slb-pain-card__num {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255, 100, 103, 0.15);
  border: 1px solid rgba(255, 100, 103, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  color: var(--danger-red);
  margin-bottom: 18px;
}

.slb-pain-card__title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 12px;
}

.slb-pain-card__text {
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-muted);
}

/* ==========================================================================
   5. User Persona Section
   ========================================================================== */
.slb-persona-sec {
  padding: 110px 0;
  background: linear-gradient(180deg, #101828 0%, #030712 100%);
  position: relative;
}

.slb-persona-card {
  background: rgba(16, 24, 40, 0.8);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 48px;
  box-shadow: 0 24px 60px -15px rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(16px);
}

.slb-persona__top {
  display: grid;
  grid-template-columns: 460px 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 48px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--border-subtle);
}

.slb-persona__img-wrap {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  background: #0B111E;
}

.slb-persona__img-wrap picture,
.slb-persona__img-wrap img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.slb-persona__header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 12px;
}

.slb-persona__avatar-badge {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2B7FFF 0%, #51A2FF 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  color: #FFFFFF;
}

.slb-persona__name {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-white);
}

.slb-persona__role-tag {
  font-size: 16px;
  color: var(--text-dim);
  margin-bottom: 24px;
}

.slb-persona__quote-box {
  position: relative;
  background: rgba(43, 127, 255, 0.08);
  border-left: 3px solid var(--primary-blue);
  border-radius: 0 16px 16px 0;
  padding: 24px 28px;
  font-size: 18px;
  font-style: italic;
  line-height: 1.6;
  color: var(--text-white);
}

.slb-persona__bottom-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.slb-persona-col {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.slb-persona-col__title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--text-white);
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.slb-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.slb-dot--green { background: var(--success-green); box-shadow: 0 0 10px rgba(5, 223, 114, 0.5); }
.slb-dot--red { background: var(--danger-red); box-shadow: 0 0 10px rgba(255, 100, 103, 0.5); }
.slb-dot--purple { background: var(--purple-accent); box-shadow: 0 0 10px rgba(194, 122, 255, 0.5); }

.slb-persona-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.slb-persona-list-item {
  display: flex;
  gap: 12px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-muted);
}

.slb-persona-list-item__idx {
  font-weight: 600;
  color: var(--text-dim);
  min-width: 16px;
}

/* ==========================================================================
   6. Design Solutions / High-Fidelity Wireframes Section
   ========================================================================== */
.slb-design-sec {
  padding: 110px 0;
  background: var(--bg-main);
  position: relative;
}

.slb-design-intro {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
  margin-bottom: 100px;
  background: rgba(16, 24, 40, 0.55);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 50px 48px;
}

.slb-design-intro__prose {
  font-size: 17px;
  line-height: 1.8;
  color: var(--text-muted);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.slb-design-intro__img-wrap {
  display: flex;
  justify-content: center;
  align-items: center;
}

.slb-design-intro__img-wrap picture,
.slb-design-intro__img-wrap img {
  max-width: 380px;
  width: 100%;
  height: auto;
  display: block;
  filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.7));
  transition: transform 0.5s ease;
}

.slb-design-intro__img-wrap:hover img {
  transform: translateY(-8px) scale(1.02);
}

/* Device Showcase Flows */
.slb-flow-group {
  margin-bottom: 90px;
}

.slb-flow-title {
  font-size: clamp(26px, 3vw, 36px);
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 36px;
  text-align: center;
  letter-spacing: -0.01em;
}

.slb-flow-title--dm {
  font-family: var(--font-display);
}

.slb-flow-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  justify-items: center;
}

.slb-device-frame {
  position: relative;
  background: #080D1A;
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 360px;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}

.slb-device-frame:hover {
  transform: translateY(-8px);
  border-color: var(--border-glow);
  box-shadow: 0 28px 56px -12px rgba(43, 127, 255, 0.2);
}

.slb-device-frame picture,
.slb-device-frame img {
  width: 100%;
  max-width: 280px;
  height: auto;
  border-radius: 12px;
  display: block;
}

/* ==========================================================================
   7. Results & Impact Section
   ========================================================================== */
.slb-impact-sec {
  padding: 110px 0;
  background: var(--bg-main);
  position: relative;
}

.slb-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.slb-metric-box {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  backdrop-filter: blur(12px);
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
}

.slb-metric-box:hover {
  transform: translateY(-6px);
  border-color: rgba(5, 223, 114, 0.4);
  box-shadow: 0 16px 36px -8px rgba(5, 223, 114, 0.15);
}

.slb-metric-box__label {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.slb-metric-box__num {
  font-size: clamp(38px, 3.8vw, 54px);
  font-weight: 800;
  line-height: 1;
  color: var(--text-white);
  letter-spacing: -0.02em;
  margin-bottom: 14px;
}

.slb-metric-box__pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  background: rgba(5, 223, 114, 0.12);
  border: 1px solid rgba(5, 223, 114, 0.3);
  border-radius: 999px;
  color: var(--success-green);
  font-size: 14px;
  font-weight: 600;
}

.slb-impact-quote-box {
  background: rgba(16, 24, 40, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 44px 48px;
  text-align: center;
  max-width: 1040px;
  margin: 0 auto;
}

.slb-impact-quote-box__text {
  font-size: 18px;
  line-height: 1.85;
  color: var(--text-muted);
}

/* ==========================================================================
   8. Key Learnings / Reflection Section
   ========================================================================== */
.slb-learnings-sec {
  padding: 100px 0 120px;
  background: var(--bg-main);
  position: relative;
}

.slb-learnings-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.slb-learning-card {
  background: rgba(16, 24, 40, 0.65);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: 36px 30px;
  transition: transform 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease;
  display: flex;
  flex-direction: column;
}

.slb-learning-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-glow);
  box-shadow: 0 16px 32px -8px rgba(43, 127, 255, 0.15);
}

.slb-learning-card__tag {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 14px;
}

.slb-learning-card__title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-white);
  margin-bottom: 14px;
}

.slb-learning-card__text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-muted);
}

/* ==========================================================================
   9. Footer Section
   ========================================================================== */
.slb-footer {
  padding: 100px 0 60px;
  background: #02050D;
  border-top: 1px solid var(--border-subtle);
  position: relative;
}

.slb-footer__cta {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 80px;
}

.slb-footer__badge {
  display: inline-flex;
  padding: 6px 16px;
  border-radius: 999px;
  background: rgba(43, 127, 255, 0.15);
  border: 1px solid rgba(43, 127, 255, 0.3);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.slb-footer__heading {
  font-size: clamp(34px, 4vw, 54px);
  font-weight: 700;
  color: var(--text-white);
  line-height: 1.2;
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}

.slb-footer__email-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 36px;
  background: var(--primary-blue);
  color: #FFFFFF;
  font-size: 17px;
  font-weight: 600;
  border-radius: 999px;
  box-shadow: 0 10px 25px rgba(43, 127, 255, 0.4);
  transition: all 0.3s ease;
}

.slb-footer__email-btn:hover {
  background: #1B6EE6;
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(43, 127, 255, 0.5);
}

.slb-footer__mid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 60px;
  padding: 60px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  margin-bottom: 40px;
}

.slb-footer__brand {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.slb-footer__monogram {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2B7FFF, #51A2FF);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: #FFFFFF;
}

.slb-footer__name {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-white);
}

.slb-footer__bio {
  font-size: 15px;
  color: var(--text-dim);
  max-width: 380px;
  line-height: 1.6;
}

.slb-footer__links-col {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.slb-footer__col-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-white);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 4px;
}

.slb-footer__link {
  font-size: 15px;
  color: var(--text-dim);
  transition: color 0.2s ease, transform 0.2s ease;
  width: fit-content;
}

.slb-footer__link:hover {
  color: var(--text-white);
  transform: translateX(3px);
}

.slb-footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 14px;
  color: var(--text-dark);
}

/* ==========================================================================
   Interactive Components: Floating Back to Top & Mouse Spotlight
   ========================================================================== */
.floating-back-to-top {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(16, 24, 40, 0.9);
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 9999;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.6), 0 0 20px rgba(43, 127, 255, 0.35);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(20px) scale(0.9);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s ease, box-shadow 0.25s ease, background 0.25s ease, color 0.25s ease;
}

.floating-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0) scale(1);
}

.floating-back-to-top:hover,
.floating-back-to-top:focus-visible {
  background: #2B7FFF;
  border-color: #FFFFFF;
  color: #FFFFFF;
  transform: translateY(-4px) scale(1.06);
  box-shadow: 0 15px 30px -5px rgba(43, 127, 255, 0.6), 0 0 25px rgba(43, 127, 255, 0.5);
}

.floating-back-to-top:focus-visible {
  outline: 2px solid #FFFFFF;
  outline-offset: 3px;
}

.floating-back-to-top__arrow {
  animation: bounceUp 2s infinite ease-in-out;
}

@keyframes bounceUp {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.floating-back-to-top__tooltip {
  position: absolute;
  right: 68px;
  background: rgba(16, 24, 40, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  color: #FFFFFF;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transform: translateX(6px);
  transition: all 0.2s ease;
}

.floating-back-to-top:hover .floating-back-to-top__tooltip {
  opacity: 1;
  transform: translateX(0);
}

@media (max-width: 768px) {
  .floating-back-to-top {
    right: 20px;
    bottom: 20px;
    width: 48px;
    height: 48px;
  }

  .floating-back-to-top__tooltip {
    display: none;
  }
}

/* Mouse spotlight container effect */
.slb-interactive-card {
  position: relative;
  overflow: hidden;
}

.slb-interactive-card::after {
  content: '';
  position: absolute;
  top: var(--mouse-y, -1000px);
  left: var(--mouse-x, -1000px);
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(43, 127, 255, 0.15), transparent 70%);
  transform: translate(-50%, -50%);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 1;
}

.slb-interactive-card:hover::after {
  opacity: 1;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .slb-client__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .slb-problem__grid {
    grid-template-columns: 1fr;
  }
  .slb-responsibility__grid {
    grid-template-columns: 1fr;
  }
  .slb-pain-points-grid {
    grid-template-columns: 1fr;
  }
  .slb-persona__top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .slb-persona__bottom-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .slb-design-intro {
    grid-template-columns: 1fr;
  }
  .slb-flow-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .slb-metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .slb-learnings-grid {
    grid-template-columns: 1fr;
  }
  .slb-footer__mid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 640px) {
  .slb-hero {
    min-height: auto;
    padding: 32px 0 48px;
  }
  .slb-flow-grid {
    grid-template-columns: 1fr;
  }
  .slb-metrics-grid {
    grid-template-columns: 1fr;
  }
  .slb-footer__bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}