/* ============================================
   INTEGRATED SUPPLY CHAIN — Page Styles
   Prefix: isc-  (integrated supply chain)
   Design system: Poppins, #ea6425 orange, #1a1a2e dark,
                  Bootstrap grid, MDI icons
   ============================================ */

/* ---------- Custom Properties ---------- */
:root {
  --isc-dark: #1a1a2e;
  --isc-orange: #ea6425;
  --isc-orange-light: rgba(234, 100, 37, 0.08);
  --isc-white: #ffffff;
  --isc-gray-50: #f8f9fc;
  --isc-gray-200: #e5e7eb;
  --isc-gray-600: #6b7280;
  --isc-red: #ef4444;
  --isc-red-light: rgba(239, 68, 68, 0.08);
  --isc-green: #22c55e;
  --isc-green-light: rgba(34, 197, 94, 0.08);
  --isc-text: #1d1d1f;
  --isc-text-muted: #6b7280;
  --isc-text-light: #4b5563;
  --isc-border: #e5e7eb;
  --isc-radius: 16px;
  --isc-radius-sm: 12px;
  --isc-font: "Poppins", sans-serif;
  --isc-ease: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================
   S1 — HERO
   ============================================ */
.isc-hero {
  background: var(--isc-dark);
  padding: 160px 0 80px;
  position: relative;
  overflow: hidden;
}
.isc-hero::before {
  content: "";
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(234, 100, 37, 0.08) 0%, transparent 70%);
  pointer-events: none;
}
.isc-hero__eyebrow {
  display: inline-block;
  font-family: var(--isc-font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--isc-orange);
  margin-bottom: 20px;
}
.isc-hero__title {
  font-family: var(--isc-font);
  font-size: 48px;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  color: #fff;
  margin-bottom: 24px;
  max-width: 720px;
}
.isc-hero__title span {
  color: var(--isc-orange);
}
.isc-hero__subtitle {
  font-family: var(--isc-font);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.7);
  max-width: 720px;
  margin-bottom: 36px;
}
.isc-hero__actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* Shared Buttons */
.isc-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--isc-font);
  font-size: 15px;
  font-weight: 600;
  padding: 14px 34px;
  border-radius: 100px;
  border: 2px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s;
}
.isc-btn--primary {
  color: #fff;
  background: var(--isc-orange);
  border-color: var(--isc-orange);
  box-shadow: 0 4px 20px rgba(234, 100, 37, 0.3);
}
.isc-btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(234, 100, 37, 0.4);
  color: #fff;
}
.isc-btn--ghost {
  color: #fff;
  background: transparent;
  border-color: rgba(255, 255, 255, 0.3);
}
.isc-btn--ghost:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.06);
  color: #fff;
  transform: translateY(-2px);
}

/* ============================================
   S2 — FRAGMENTATION COMPARISON
   ============================================ */
.isc-compare {
  background: var(--isc-gray-50);
  padding: 80px 0;
}
.isc-section-title {
  font-family: var(--isc-font);
  font-size: 36px;
  font-weight: 700;
  color: var(--isc-text);
  margin-bottom: 16px;
  letter-spacing: -0.5px;
  text-align: center;
}
.isc-section-sub {
  font-family: var(--isc-font);
  font-size: 16px;
  color: var(--isc-text-muted);
  line-height: 1.65;
  max-width: 680px;
  margin: 0 auto 48px;
  text-align: center;
}
.isc-compare__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: start;
}

/* Fragmented side */
.isc-compare__panel {
  border-radius: var(--isc-radius);
  padding: 36px 32px;
  position: relative;
  overflow: hidden;
}
.isc-compare__panel--bad {
  background: #fff;
  border: 2px solid #fecaca;
}
.isc-compare__panel--good {
  background: #fff;
  border: 2px solid #bbf7d0;
}
.isc-compare__panel-label {
  font-family: var(--isc-font);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.isc-compare__panel--bad .isc-compare__panel-label {
  color: var(--isc-red);
}
.isc-compare__panel--good .isc-compare__panel-label {
  color: var(--isc-green);
}

/* SVG Diagram area */
.isc-compare__diagram {
  width: 100%;
  margin-bottom: 24px;
}
.isc-compare__diagram svg {
  width: 100%;
  height: auto;
}

/* Pain/Benefit list */
.isc-compare__list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.isc-compare__list li {
  font-family: var(--isc-font);
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  padding-left: 28px;
  position: relative;
}
.isc-compare__panel--bad .isc-compare__list li {
  color: #991b1b;
}
.isc-compare__panel--bad .isc-compare__list li::before {
  content: "\F0156";
  font-family: "Material Design Icons";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--isc-red);
  font-size: 16px;
}
.isc-compare__panel--good .isc-compare__list li {
  color: #166534;
}
.isc-compare__panel--good .isc-compare__list li::before {
  content: "\F012C";
  font-family: "Material Design Icons";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--isc-green);
  font-size: 16px;
}

/* ============================================
   SHARED — Content Section
   ============================================ */
.isc-content {
  background: #fff;
  padding: 80px 0;
}
.isc-content--alt {
  background: var(--isc-gray-50);
}
.isc-content__header {
  margin-bottom: 48px;
}
.isc-content__title {
  font-family: var(--isc-font);
  font-size: 32px;
  font-weight: 700;
  color: var(--isc-text);
  margin-bottom: 16px;
  letter-spacing: -0.3px;
}
.isc-content__text {
  font-family: var(--isc-font);
  font-size: 15px;
  color: var(--isc-text-light);
  line-height: 1.8;
  max-width: 800px;
  margin: 0;
}
.isc-content__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}

/* Feature Cards */
.isc-card {
  background: #fff;
  border: 1px solid var(--isc-border);
  border-radius: var(--isc-radius);
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all var(--isc-ease);
}
.isc-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
}
.isc-card__icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--isc-orange-light);
  display: flex;
  align-items: center;
  justify-content: center;
}
.isc-card__icon i {
  font-size: 24px;
  color: var(--isc-orange);
}
.isc-card__name {
  font-family: var(--isc-font);
  font-size: 17px;
  font-weight: 700;
  color: var(--isc-text);
  margin: 0;
}
.isc-card__desc {
  font-family: var(--isc-font);
  font-size: 13px;
  color: var(--isc-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* Alt bg cards */
.isc-content--alt .isc-card {
  background: #fff;
}

/* ============================================
   ORDER JOURNEY FLOW
   ============================================ */
.isc-journey {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  margin: 32px 0 40px;
  padding: 24px 0;
}
.isc-journey__step {
  display: flex;
  align-items: center;
  gap: 0;
}
.isc-journey__node {
  font-family: var(--isc-font);
  font-size: 12px;
  font-weight: 600;
  color: #fff;
  background: var(--isc-orange);
  padding: 8px 16px;
  border-radius: 100px;
  white-space: nowrap;
}
.isc-journey__arrow {
  color: var(--isc-orange);
  font-size: 20px;
  margin: 0 4px;
  opacity: 0.5;
}

/* ============================================
   S7 — METRICS BAR
   ============================================ */
.isc-metrics {
  background: var(--isc-dark);
  padding: 56px 0;
}
.isc-metrics__grid {
  display: flex;
  justify-content: center;
  align-items: center;
}
.isc-metrics__item {
  flex: 1;
  text-align: center;
  position: relative;
  padding: 0 20px;
}
.isc-metrics__item + .isc-metrics__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, 0.15);
}
.isc-metrics__num {
  font-family: var(--isc-font);
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  line-height: 1.15;
  margin-bottom: 6px;
  display: block;
}
.isc-metrics__num span {
  color: var(--isc-orange);
}
.isc-metrics__label {
  font-family: var(--isc-font);
  font-size: 12px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.5);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================
   S8 — WHO THIS IS FOR
   ============================================ */
.isc-audience {
  background: #fff;
  padding: 80px 0;
}
.isc-audience__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.isc-audience__card {
  background: #fff;
  border: 1px solid var(--isc-border);
  border-top: 4px solid var(--isc-orange);
  border-radius: var(--isc-radius);
  padding: 28px 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: all var(--isc-ease);
}
.isc-audience__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.08);
}
.isc-audience__card-icon {
  font-size: 28px;
  color: var(--isc-orange);
}
.isc-audience__card-name {
  font-family: var(--isc-font);
  font-size: 16px;
  font-weight: 700;
  color: var(--isc-text);
  margin: 0;
}
.isc-audience__card-desc {
  font-family: var(--isc-font);
  font-size: 13px;
  color: var(--isc-text-muted);
  line-height: 1.7;
  margin: 0;
}

/* ============================================
   S9 — FAQ
   ============================================ */
.isc-faq {
  background: var(--isc-gray-50);
  padding: 80px 0;
}
.isc-faq__title {
  font-family: var(--isc-font);
  font-size: 36px;
  font-weight: 700;
  color: var(--isc-text);
  letter-spacing: -0.5px;
  margin-bottom: 32px;
  text-align: center;
}
.isc-faq__list {
  max-width: 800px;
  margin: 0 auto;
}
.isc-faq__item {
  border-bottom: 1px solid var(--isc-border);
}
.isc-faq__item:last-child {
  border-bottom: none;
}
.isc-faq__q {
  font-family: var(--isc-font);
  font-size: 16px;
  font-weight: 600;
  color: var(--isc-text);
  padding: 20px 36px 20px 0;
  cursor: pointer;
  list-style: none;
  position: relative;
  line-height: 1.5;
}
.isc-faq__q::-webkit-details-marker {
  display: none;
}
.isc-faq__q::marker {
  display: none;
  content: "";
}
.isc-faq__q::after {
  content: "+";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 300;
  color: #aaa;
  transition: transform 0.3s;
}
.isc-faq__item[open] .isc-faq__q::after {
  content: "\2212";
  color: var(--isc-orange);
}
.isc-faq__a {
  font-family: var(--isc-font);
  font-size: 14px;
  color: var(--isc-text-muted);
  line-height: 1.75;
  padding: 0 36px 20px 0;
  margin: 0;
}

/* ============================================
   S10 — CTA
   ============================================ */
.isc-cta {
  background: var(--isc-dark);
  padding: 80px 0;
  text-align: center;
}
.isc-cta__title {
  font-family: var(--isc-font);
  font-size: 40px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -0.5px;
}
.isc-cta__sub {
  font-family: var(--isc-font);
  font-size: 17px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.65;
  max-width: 600px;
  margin: 0 auto 36px;
}
.isc-cta .isc-btn--primary {
  font-size: 16px;
  padding: 16px 44px;
}

/* ============================================
   S11 — CONTACT
   ============================================ */
.isc-contact {
  background: var(--isc-gray-50);
  padding: 80px 0;
}

/* ============================================
   S12 — BRAND SLIDER
   ============================================ */
.isc-brands {
  background: #fff;
  padding: 64px 0;
}

/* ============================================
   RESPONSIVE — TABLET (max-width: 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .isc-hero__title {
    font-size: 40px;
  }
  .isc-section-title {
    font-size: 30px;
  }
  .isc-compare__grid {
    grid-template-columns: 1fr;
  }
  .isc-content__cards {
    grid-template-columns: repeat(2, 1fr);
  }
  .isc-audience__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .isc-metrics__grid {
    flex-wrap: wrap;
    gap: 24px 0;
  }
  .isc-metrics__item {
    flex: 0 0 33.33%;
    margin-bottom: 16px;
  }
  .isc-content__title {
    font-size: 28px;
  }
  .isc-journey {
    justify-content: flex-start;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 12px;
  }
}

/* ============================================
   RESPONSIVE — MOBILE (max-width: 768px)
   ============================================ */
@media (max-width: 768px) {
  .isc-hero {
    padding: 120px 0 56px;
  }
  .isc-hero__title {
    font-size: 34px;
    letter-spacing: -1px;
  }
  .isc-hero__subtitle {
    font-size: 15px;
  }
  .isc-btn {
    font-size: 14px;
    padding: 12px 28px;
  }

  .isc-compare {
    padding: 56px 0;
  }
  .isc-compare__panel {
    padding: 28px 20px;
  }

  .isc-content {
    padding: 56px 0;
  }
  .isc-content__cards {
    grid-template-columns: 1fr;
  }
  .isc-content__title {
    font-size: 24px;
  }

  .isc-metrics {
    padding: 40px 0;
  }
  .isc-metrics__item {
    flex: 0 0 50%;
  }
  .isc-metrics__item::before {
    display: none;
  }
  .isc-metrics__num {
    font-size: 28px;
  }

  .isc-audience {
    padding: 56px 0;
  }
  .isc-audience__grid {
    grid-template-columns: 1fr;
  }

  .isc-faq {
    padding: 56px 0;
  }
  .isc-faq__title {
    font-size: 28px;
  }

  .isc-cta {
    padding: 56px 0;
  }
  .isc-cta__title {
    font-size: 30px;
  }
  .isc-cta__sub {
    font-size: 15px;
  }

  .isc-contact {
    padding: 56px 0;
  }

  .isc-brands {
    padding: 40px 0;
  }

  .isc-section-title {
    font-size: 28px;
  }
  .isc-section-sub {
    font-size: 14px;
  }

  .isc-journey__node {
    font-size: 11px;
    padding: 6px 12px;
  }
}

/* ============================================
   RESPONSIVE — SMALL MOBILE (max-width: 480px)
   ============================================ */
@media (max-width: 480px) {
  .isc-hero__title {
    font-size: 28px;
  }
  .isc-hero__eyebrow {
    font-size: 11px;
  }
  .isc-hero__actions {
    flex-direction: column;
    align-items: flex-start;
  }

  .isc-section-title {
    font-size: 24px;
  }
  .isc-content__title {
    font-size: 22px;
  }
  .isc-cta__title {
    font-size: 26px;
  }
  .isc-faq__title {
    font-size: 24px;
  }

  .isc-metrics__grid {
    flex-direction: column;
    gap: 20px;
  }
  .isc-metrics__item {
    flex: none;
    width: 100%;
    padding: 12px 0;
  }
  .isc-metrics__item + .isc-metrics__item::before {
    width: 40px;
    height: 1px;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
  }

  .isc-compare__panel {
    padding: 24px 16px;
  }
  .isc-compare__list li {
    font-size: 13px;
  }
}