/* css/iiot.css */
body {
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  color: #1f2937;
  background-color: #fbfbf9;
  line-height: 1.6;
}

/* Base Variables */
:root {
  --iiot-dark: #0f172a;      /* Slate 900 */
  --iiot-darker: #020617;    /* Slate 950 */
  --iiot-accent: #F59E0B;    /* Gold - project accent */
  --iiot-accent-hover: #D97706;
  --iiot-accent-light: #FBBF24;
  --iiot-light: #f8fafc;
  --iiot-gray: #64748b;
  --iiot-border: #e2e8f0;
}

/* --- HERO SECTION --- */
.iiot-hero {
  background: linear-gradient(145deg, #FDE68A 0%, #FBBF24 55%, #F59E0B 100%);
  color: #1f2937;
  padding: 135px 5% 60px;
  position: relative;
  overflow: hidden;
}

/* A subtle background gradient to give it depth instead of an image */
.iiot-hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at right top, rgba(255, 255, 255, 0.35), transparent 45%),
              radial-gradient(circle at left bottom, rgba(245, 158, 11, 0.25), transparent 60%);
  pointer-events: none;
}

.iiot-hero-container {
  max-width: 1300px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  position: relative;
  z-index: 10;
}

.iiot-hero-left {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.iiot-breadcrumbs {
  font-size: 12px;
  color: #92400e;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.iiot-breadcrumbs a {
  color: #92400e;
  text-decoration: none;
}
.iiot-breadcrumbs a:hover {
  color: #1f2937;
}
.iiot-breadcrumbs strong {
  color: #78350F;
  font-weight: 700;
}

.iiot-hero-tag {
  color: #78350F;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.iiot-hero-title {
  font-size: 50px;
  font-weight: 800;
  line-height: 1.1;
  margin: 0 0 16px 0;
  color: #1f2937;
}

.iiot-gold {
  background: linear-gradient(120deg, #B45309, #78350F);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #B45309;
}

.iiot-hero-desc {
  font-size: 17px;
  color: #78350F;
  font-weight: 500;
  margin-bottom: 28px;
  max-width: 90%;
}

.iiot-hero-points {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
  margin-bottom: 28px;
}
.iiot-point {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.iiot-point-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #B45309;
  box-shadow: 0 2px 8px rgba(120, 53, 15, 0.15);
}
.iiot-point-icon svg {
  width: 16px;
  height: 16px;
}
.iiot-point-text {
  font-size: 14px;
  color: #1f2937;
  font-weight: 700;
  line-height: 1.3;
}
.iiot-point-text span {
  display: block;
  font-weight: 500;
  color: #92400e;
  font-size: 12px;
  margin-top: 2px;
}

.iiot-hero-btns {
  display: flex;
  gap: 12px;
  align-items: center;
}
.btn-primary {
  background-color: #1f2937;
  color: #FDE68A;
  font-size: 16px;
  font-weight: 700;
  padding: 13px 26px;
  border-radius: 8px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
  box-shadow: 0 8px 24px rgba(31, 41, 55, 0.3);
}
.btn-primary:hover {
  background-color: #374151;
  transform: translateY(-2px);
}
.btn-outline-white {
  background-color: rgba(255, 255, 255, 0.6);
  color: #1f2937;
  border: 1.5px solid #1f2937;
  font-size: 16px;
  font-weight: 600;
  padding: 13px 26px;
  border-radius: 8px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}
.btn-outline-white:hover {
  background-color: #fff;
  transform: translateY(-2px);
}

.iiot-hero-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  position: relative;
}
.iiot-dashboard-img {
  width: 115%;
  max-width: 660px;
  border-radius: 16px;
  box-shadow: -15px 15px 45px rgba(120, 53, 15, 0.3);
}

/* --- BENEFITS SECTION --- */
.iiot-benefits {
  background-color: #fbfbf9;
  padding: 80px 5%;
}
.iiot-container {
  max-width: 1200px;
  margin: 0 auto;
}
.iiot-section-header {
  text-align: center;
  margin-bottom: 60px;
}
.iiot-section-tag {
  color: var(--iiot-accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.iiot-section-title {
  font-size: 36px;
  font-weight: 800;
  color: var(--iiot-darker);
  margin: 0;
}

.iiot-benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.iiot-benefit-card {
  background-color: #fff;
  border: 1px solid var(--iiot-border);
  border-radius: 16px;
  padding: 30px 25px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.02);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.iiot-benefit-card:hover {
  transform: translateY(-5px);
  border-color: var(--iiot-accent);
}
.iiot-benefit-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.15), rgba(251, 191, 36, 0.25));
  color: var(--iiot-accent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.iiot-benefit-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--iiot-darker);
  margin: 0 0 10px 0;
}
.iiot-benefit-card p {
  font-size: 14px;
  color: var(--iiot-gray);
  margin: 0;
  line-height: 1.6;
}

/* --- SOLUTIONS BAR --- */
.iiot-solutions {
  background-color: #fff;
  padding: 80px 5%;
  border-top: 1px solid var(--iiot-border);
  border-bottom: 1px solid var(--iiot-border);
}
.iiot-solutions-list {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 40px;
}
.iiot-solution-item {
  display: flex;
  align-items: center;
  gap: 15px;
  flex: 1;
  min-width: 200px;
}
.iiot-solution-item svg {
  color: var(--iiot-accent);
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}
.iiot-solution-item span {
  font-size: 14px;
  font-weight: 600;
  color: var(--iiot-darker);
}

/* --- ARCHITECTURE DIAGRAM --- */
.iiot-architecture {
  padding: 100px 5%;
  background-color: #fbfbf9;
}
.iiot-arch-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: center;
}
.iiot-arch-left h2 {
  font-size: 42px;
  font-weight: 800;
  color: var(--iiot-darker);
  line-height: 1.1;
  margin: 0 0 20px 0;
}
.iiot-arch-left > p {
  font-size: 16px;
  color: var(--iiot-gray);
  margin-bottom: 30px;
}
.iiot-arch-checks {
  list-style: none;
  padding: 0;
  margin: 0;
}
.iiot-arch-checks li {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 15px;
  font-size: 15px;
  font-weight: 500;
  color: var(--iiot-darker);
}
.iiot-arch-checks li svg {
  color: var(--iiot-accent);
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}
.iiot-arch-checks li {
  background: #fff;
  border: 1px solid var(--iiot-border);
  border-radius: 10px;
  padding: 10px 14px;
  transition: all 0.3s ease;
}
.iiot-arch-checks li:hover {
  border-color: var(--iiot-accent);
  transform: translateX(4px);
}

.iiot-arch-flow {
  display: flex;
  justify-content: space-between;
  align-items: stretch;
  gap: 15px;
}
.arch-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.arch-col-title {
  font-size: 12px;
  font-weight: 800;
  color: var(--iiot-accent-hover);
  text-transform: uppercase;
  text-align: center;
  letter-spacing: 1px;
  padding-bottom: 10px;
  border-bottom: 2px solid rgba(245, 158, 11, 0.25);
  margin-bottom: 4px;
}
.arch-card {
  background-color: #fff;
  border: 1px solid var(--iiot-border);
  border-radius: 12px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.03);
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
}
.arch-card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--iiot-accent-light), var(--iiot-accent));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.arch-card:hover {
  border-color: var(--iiot-accent);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.12);
}
.arch-card:hover::before {
  opacity: 1;
}
.arch-card svg {
  color: var(--iiot-accent);
  width: 22px;
  height: 22px;
  flex-shrink: 0;
}
.arch-card span {
  font-size: 13px;
  font-weight: 600;
  color: var(--iiot-darker);
}
.arch-cloud {
  background: linear-gradient(160deg, #FEF3C7 0%, #FDE68A 60%, #FBBF24 100%);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: 14px;
  padding: 30px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  box-sizing: border-box;
  box-shadow: 0 10px 30px rgba(245, 158, 11, 0.15);
}
.arch-cloud .cloud-icon {
  width: 60px;
  height: 60px;
  background-color: #fff;
  color: var(--iiot-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 15px;
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.25);
}
.arch-cloud .cloud-icon svg {
  width: 30px;
  height: 30px;
}
.arch-cloud strong {
  font-size: 15px;
  font-weight: 800;
  color: #78350F;
  margin-bottom: 10px;
}
.arch-cloud ul {
  list-style: none;
  padding: 0;
  margin: 0;
  font-size: 12px;
  color: #92400e;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

/* Architecture Arrows */
.arch-arrow {
  display: flex;
  align-items: center;
  color: var(--iiot-accent);
}
.arch-arrow svg {
  width: 26px;
  height: 26px;
  background: #fff;
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 50%;
  padding: 4px;
  box-shadow: 0 2px 8px rgba(245, 158, 11, 0.15);
}

/* --- PROCESS TIMELINE --- */
.iiot-process {
  background-color: var(--iiot-darker);
  padding: 100px 5%;
  color: #fff;
}
.iiot-process .iiot-section-title {
  color: #fff;
}
.iiot-timeline {
  display: flex;
  justify-content: space-between;
  position: relative;
  margin-top: 60px;
}
.iiot-timeline::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 5%;
  right: 5%;
  height: 1px;
  border-top: 1px dashed rgba(255,255,255,0.2);
  z-index: 1;
}
.timeline-step {
  flex: 1;
  text-align: center;
  position: relative;
  z-index: 2;
  padding: 0 10px;
}
.timeline-number {
  width: 40px;
  height: 40px;
  background-color: var(--iiot-accent);
  color: var(--iiot-darker);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 16px;
  margin: 0 auto 20px;
  box-shadow: 0 0 0 8px var(--iiot-darker);
}
.timeline-step h4 {
  font-size: 18px;
  font-weight: 800;
  color: var(--iiot-accent-light);
  margin: 0 0 10px 0;
  letter-spacing: 0.2px;
}
.timeline-step p {
  font-size: 13px;
  color: #cbd5e1;
  margin: 0;
  line-height: 1.5;
}

/* --- TECH & CASES --- */
.iiot-tech-cases {
  padding: 100px 5%;
  background-color: #fbfbf9;
}
.iiot-tc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
}
.tc-header {
  font-size: 13px;
  font-weight: 700;
  color: var(--iiot-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 30px;
}
.tc-logos {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 15px;
  margin-bottom: 30px;
}
.tc-logo-box {
  background-color: #fff;
  border: 1px solid var(--iiot-border);
  border-radius: 8px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 15px;
}
.tc-logo-box img, .tc-logo-box svg {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.tc-logo-box span {
  font-size: 14px;
  font-weight: 700;
  color: var(--iiot-darker);
}
.tc-desc {
  font-size: 14px;
  color: var(--iiot-gray);
}

.tc-cases {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.tc-case-card {
  background-color: #fff;
  border: 1px solid var(--iiot-border);
  border-radius: 12px;
  padding: 25px;
}
.tc-case-card svg {
  color: var(--iiot-accent);
  width: 24px;
  height: 24px;
  margin-bottom: 15px;
}
.tc-case-card h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--iiot-darker);
  margin: 0 0 10px 0;
}
.tc-case-card p {
  font-size: 13px;
  color: var(--iiot-gray);
  margin: 0;
  line-height: 1.5;
}

/* --- CTA BANNER --- */
.iiot-cta {
  background: linear-gradient(135deg, #F59E0B, #FBBF24);
  margin: 0 5% 50px;
  border-radius: 16px;
  padding: 40px 50px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 20px 50px rgba(245, 158, 11, 0.25);
}
.iiot-cta-left {
  display: flex;
  align-items: center;
  gap: 20px;
}
.iiot-cta-icon {
  width: 60px;
  height: 60px;
  background-color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--iiot-accent);
}
.iiot-cta-icon svg {
  width: 28px;
  height: 28px;
}
.iiot-cta-text h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--iiot-darker);
  margin: 0 0 5px 0;
}
.iiot-cta-text p {
  font-size: 16px;
  color: rgba(2, 6, 23, 0.8);
  margin: 0;
}
.iiot-cta .btn-white {
  background-color: #fff;
  color: var(--iiot-darker);
  font-weight: 700;
  padding: 16px 32px;
  border-radius: 8px;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Floating WhatsApp (Mocked visually) */
@media (max-width: 1024px) {
  .iiot-hero-container {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .iiot-hero-right {
    justify-content: center;
  }
  .iiot-dashboard-img {
    width: 100%;
    margin-right: 0;
    transform: none;
  }
  .iiot-benefits-grid {
    grid-template-columns: 1fr 1fr;
  }
  .iiot-arch-grid {
    grid-template-columns: 1fr;
  }
  .iiot-tc-grid {
    grid-template-columns: 1fr;
  }
  .iiot-cta {
    flex-direction: column;
    text-align: center;
    gap: 20px;
  }
  .iiot-cta-left {
    flex-direction: column;
  }
  .iiot-timeline {
    flex-direction: column;
    gap: 30px;
  }
  .iiot-timeline::before {
    display: none;
  }
  .timeline-step {
    display: flex;
    text-align: left;
    align-items: flex-start;
    gap: 20px;
  }
  .timeline-number {
    margin: 0;
    flex-shrink: 0;
  }
}
@media (max-width: 768px) {
  .iiot-hero-points {
    grid-template-columns: 1fr;
  }
  .iiot-benefits-grid, .tc-cases {
    grid-template-columns: 1fr;
  }
  .tc-logos {
    grid-template-columns: 1fr 1fr;
  }
  .iiot-arch-flow {
    flex-direction: column;
  }
  .arch-arrow {
    justify-content: center;
    transform: rotate(90deg);
    margin: 10px 0;
  }
}