:root {
  --img-bg: #171a21;
  --img-surface: #000000;
  --img-cyan: #50fefe;
  --img-violet: #6d28d9;
  --img-white: #ffffff;

  --img-text: rgba(255, 255, 255, 0.92);
  --img-muted: rgba(255, 255, 255, 0.72);
  --img-soft: rgba(255, 255, 255, 0.08);

  --img-border: rgba(80, 254, 254, 0.35);
  --img-border-soft: rgba(80, 254, 254, 0.25);

  --img-radius-card: 24px;
  --img-radius-box: 30px;
  --img-radius-pill: 999px;

  --img-shadow-card:
    inset 0 0 35px rgba(109, 40, 217, 0.12),
    0 0 35px rgba(109, 40, 217, 0.16);

  --img-shadow-hover:
    inset 0 0 45px rgba(109, 40, 217, 0.18),
    0 0 45px rgba(80, 254, 254, 0.16),
    0 0 35px rgba(109, 40, 217, 0.24);

  --img-transition: 0.3s ease;
}

/* Base Layout */

.img-section {
  background: var(--img-bg);
  padding: 70px 20px;
  font-family: inherit;
  color: var(--img-white);
}

.img-container {
  max-width: 1180px;
  margin: 0 auto;
}

.img-center {
  text-align: center;
  max-width: 900px;
  margin: 0 auto 44px;
}

.img-center h1,
.img-center h2 {
  color: var(--img-white);
  font-size: clamp(34px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.12;
  margin: 0 0 22px;
}

.img-center p {
  color: var(--img-muted);
  font-size: 18px;
  line-height: 1.75;
  margin: 0 auto;
  max-width: 820px;
}

/* FAQ */

.img-faq {
  background: var(--img-bg);
  padding: 70px 20px;
  font-family: inherit;
}

.img-faq-wrap {
  max-width: 1000px;
  margin: 0 auto;
}

.img-faq-item {
  border: none;
  border-bottom: 1px solid var(--img-soft);
  background: transparent;
  margin: 0;
}

.img-faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 24px 0;
  color: var(--img-white);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.5;
  position: relative;
}

.img-faq-item summary::-webkit-details-marker {
  display: none;
}

.img-faq-item summary::after {
  content: "⌄";
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
  color: rgba(255,255,255,0.7);
  transition: var(--img-transition);
}

.img-faq-item[open] summary::after {
  transform: translateY(-50%) rotate(180deg);
  color: var(--img-cyan);
}

.img-faq-item p {
  margin: 0;
  padding: 0 0 24px;
  color: var(--img-muted);
  font-size: 16px;
  line-height: 1.8;
  max-width: 850px;
}

/* Cards */

.img-card {
  background: var(--img-surface);
  border: 1px solid var(--img-border);
  border-radius: var(--img-radius-card);
  padding: 42px 30px;
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  box-shadow: var(--img-shadow-card);
  transition: var(--img-transition);
}

.img-card:hover {
  transform: translateY(-8px);
  border-color: var(--img-cyan);
  box-shadow: var(--img-shadow-hover);
}

.img-card-center {
  text-align: center;
  align-items: center;
}

.img-card h3 {
  color: var(--img-white);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 16px;
}

.img-card p,
.img-card li {
  color: var(--img-muted);
  font-size: 16px;
  line-height: 1.7;
  margin: 0;
}

/* Icon Circle */

.img-icon {
  width: 82px;
  height: 82px;
  margin-bottom: 24px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(109,40,217,0.45), rgba(255,255,255,0.03));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: #8b5cf6;
  text-shadow: 0 0 18px rgba(109, 40, 217, 0.8);
}

.img-card-center .img-icon {
  margin-left: auto;
  margin-right: auto;
}

/* Generic Grid */

.img-grid {
  display: grid;
  gap: 28px;
}

/* Highlight / Paragraph Box */

.img-highlight {
  max-width: 1000px;
  margin: 0 auto;
  background: var(--img-surface);
  border: 1px solid var(--img-border);
  border-radius: var(--img-radius-box);
  padding: 54px 40px;
  text-align: center;
  box-shadow:
    inset 0 0 45px rgba(109, 40, 217, 0.14),
    0 0 45px rgba(109, 40, 217, 0.18);
  transition: var(--img-transition);
}

.img-highlight:hover {
  transform: translateY(-6px);
  border-color: var(--img-cyan);
  box-shadow:
    inset 0 0 55px rgba(109, 40, 217, 0.20),
    0 0 50px rgba(80, 254, 254, 0.16),
    0 0 40px rgba(109, 40, 217, 0.24);
}

.img-highlight h2 {
  color: var(--img-white);
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 800;
  margin: 0 0 20px;
  line-height: 1.18;
}

.img-highlight p {
  color: var(--img-muted);
  font-size: 18px;
  line-height: 1.75;
  margin: 0 auto;
  max-width: 820px;
}

/* Final CTA */

.img-final-cta {
  max-width: 950px;
  margin: 0 auto;
  background: var(--img-surface);
  border: 1px solid var(--img-border);
  border-radius: var(--img-radius-box);
  padding: 60px 40px;
  text-align: center;
  box-shadow: var(--img-shadow-card);
}

.img-final-cta p {
  color: var(--img-white);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.7;
  max-width: 760px;
  margin: 0 auto 34px;
}

.img-final-cta .img-btn-wrap {
  margin-top: 0;
  text-align: center;
}

/* Trust Pill */

.img-trust-pill {
  max-width: 920px;
  margin: 60px auto 0;
  padding: 22px 34px;
  border: 1px solid rgba(80, 254, 254, 0.45);
  border-radius: var(--img-radius-pill);
  background: var(--img-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  box-shadow:
    inset 0 0 28px rgba(80, 254, 254, 0.03),
    0 0 26px rgba(80, 254, 254, 0.08);
}

.img-trust-pill span {
  color: var(--img-cyan);
  font-size: 24px;
}

.img-trust-pill strong {
  color: var(--img-white);
  font-size: 16px;
  font-weight: 800;
}

.img-trust-pill b {
  color: var(--img-violet);
  font-size: 18px;
}

.img-trust-pill p {
  margin: 0;
  color: var(--img-muted);
  font-size: 15px;
  line-height: 1.5;
}

/* Buttons */

.img-btn-wrap {
  margin-top: 28px;
}

.img-btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
  align-items: center;
}

.img-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  padding: 16px 30px;
  border-radius: var(--img-radius-pill);
  text-decoration: none;
  color: var(--img-white);
  font-size: 16px;
  font-weight: 800;
  transition: var(--img-transition);
  line-height: 1;
}

.img-btn-arrow {
  color: var(--img-cyan);
  font-size: 24px;
  line-height: 1;
  transition: var(--img-transition);
}

.img-btn:hover {
  transform: translateY(-3px);
}

.img-btn:hover .img-btn-arrow {
  transform: translateX(4px);
}

.img-btn-ghost {
  border: 1px solid rgba(80, 254, 254, 0.85);
  background: transparent;
  box-shadow:
    inset -20px 0 34px rgba(109, 40, 217, 0.20),
    0 0 18px rgba(80, 254, 254, 0.08);
}

.img-btn-ghost:hover {
  border-color: var(--img-cyan);
  box-shadow:
    inset -24px 0 42px rgba(109, 40, 217, 0.34),
    0 0 26px rgba(80, 254, 254, 0.18),
    0 0 32px rgba(109, 40, 217, 0.22);
}

.img-btn-outline {
  border: 1px solid transparent;
  background-image:
    linear-gradient(var(--img-bg), var(--img-bg)),
    linear-gradient(135deg, var(--img-cyan), var(--img-violet));
  background-origin: border-box;
  background-clip: padding-box, border-box;
  box-shadow:
    0 0 18px rgba(80,254,254,0.10),
    0 0 24px rgba(109,40,217,0.08);
}

.img-btn-filled {
  border: 1px solid transparent;
  background: linear-gradient(135deg, var(--img-cyan), var(--img-violet));
  box-shadow: 0 0 24px rgba(109,40,217,0.45);
}

.img-btn-small {
  padding: 13px 24px;
  font-size: 15px;
}

.img-btn-medium {
  padding: 16px 30px;
  font-size: 16px;
}

.img-btn-large {
  padding: 18px 34px;
  font-size: 18px;
}

.img-btn-full {
  width: 100%;
}

/* Reviews */

.img-stars {
  color: #ffd21f;
  font-size: 18px;
  letter-spacing: 2px;
  margin-bottom: 22px;
}

.img-review-user {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 22px;
}

.img-review-user img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  object-fit: cover;
  background: #111827;
}

.img-review-user h3 {
  margin: 0 0 4px;
}

.img-review-user span {
  color: var(--img-muted);
  font-size: 14px;
}

/* How-To Layouts */

.img-howto {
  max-width: 1200px;
  margin: 0 auto;
}

.img-howto-card {
  min-height: 320px;
}

.img-step-number {
  width: 46px;
  height: 46px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--img-cyan), var(--img-violet));
  color: var(--img-white);
  font-weight: 800;
  font-size: 21px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.img-howto-arrow {
  color: var(--img-violet);
  font-size: 54px;
  font-weight: 900;
  text-shadow: 0 0 18px rgba(109, 40, 217, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
}

.img-howto-horizontal {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
}

.img-howto-horizontal .img-howto-card {
  flex: 1 1 0;
}

.img-howto-vertical {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 22px;
}

.img-howto-vertical .img-howto-card {
  width: 100%;
  max-width: 560px;
}

.img-howto-cycle {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  grid-template-rows: auto 80px auto;
  gap: 20px;
  align-items: center;
  justify-items: center;
}

.img-cycle-1 { grid-column: 1; grid-row: 1; }
.img-cycle-2 { grid-column: 3; grid-row: 1; }
.img-cycle-3 { grid-column: 3; grid-row: 3; }
.img-cycle-4 { grid-column: 1; grid-row: 3; }

.img-cycle-arrow-right { grid-column: 2; grid-row: 1; }
.img-cycle-arrow-down { grid-column: 3; grid-row: 2; }
.img-cycle-arrow-left { grid-column: 2; grid-row: 3; }
.img-cycle-arrow-up { grid-column: 1; grid-row: 2; }

.img-howto-snake {
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.img-snake-row {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  gap: 24px;
  align-items: center;
}

.img-snake-row .img-howto-card:first-child {
  grid-column: 1;
}

.img-snake-row .img-howto-arrow {
  grid-column: 2;
}

.img-snake-row .img-howto-card:last-child {
  grid-column: 3;
}

.img-snake-down-wrap {
  display: grid;
  grid-template-columns: 1fr 80px 1fr;
  margin: -6px 0;
}

.img-snake-down-right .img-howto-arrow {
  grid-column: 3;
}

.img-snake-down-left .img-howto-arrow {
  grid-column: 1;
}
/* Feature Grid */

.img-feature-grid {
  display: grid;
  gap: 28px;
}

.img-feature-grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0,1fr));
}

.img-feature-grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0,1fr));
}

.img-feature-grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0,1fr));
}

.img-feature-card {
  background: var(--img-surface);
  border: 1px solid var(--img-border);
  border-radius: var(--img-radius-card);
  padding: 42px 34px;
  min-height: 260px;
  transition: var(--img-transition);
  box-shadow: var(--img-shadow-card);
}

.img-feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--img-cyan);
  box-shadow: var(--img-shadow-hover);
}

.img-feature-card h3 {
  margin: 0 0 18px;
  color: var(--img-white);
  font-size: 24px;
  font-weight: 800;
  line-height: 1.35;
}

.img-feature-card p {
  margin: 0;
  color: var(--img-muted);
  font-size: 16px;
  line-height: 1.75;
}

@media (max-width:1024px){
  .img-feature-grid.cols-4,
  .img-feature-grid.cols-3{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}

@media (max-width:768px){
  .img-feature-grid.cols-2,
  .img-feature-grid.cols-3,
  .img-feature-grid.cols-4{
    grid-template-columns:1fr;
  }
}

/* How-To Mobile */

@media (max-width: 650px) {
  .img-howto-horizontal,
  .img-howto-vertical,
  .img-howto-cycle,
  .img-howto-snake,
  .img-snake-row {
    display: flex;
    flex-direction: column;
  }

  .img-howto-horizontal .img-howto-card,
  .img-howto-vertical .img-howto-card,
  .img-howto-cycle .img-howto-card,
  .img-howto-snake .img-howto-card {
    width: 100%;
    max-width: 100%;
  }

  .img-snake-down-wrap {
    display: flex;
    justify-content: center;
  }

  .img-howto-arrow {
    font-size: 44px;
  }

  .img-arrow-right,
  .img-arrow-left,
  .img-arrow-up {
    transform: rotate(90deg);
  }

  .img-cycle-1 { order: 1; }
  .img-cycle-arrow-right { order: 2; }
  .img-cycle-2 { order: 3; }
  .img-cycle-arrow-down { order: 4; }
  .img-cycle-3 { order: 5; }
  .img-cycle-arrow-left { order: 6; }
  .img-cycle-4 { order: 7; }

  .img-cycle-arrow-up {
    display: none;
  }
}

/* General Mobile */

@media (max-width: 768px) {
  .img-section,
  .img-faq {
    padding: 50px 16px;
  }

  .img-center {
    margin-bottom: 34px;
  }

  .img-center p {
    font-size: 16px;
  }

  .img-faq-item summary {
    font-size: 17px;
    padding: 20px 30px 20px 0;
  }

  .img-faq-item p {
    font-size: 15px;
    line-height: 1.7;
  }

  .img-card {
    min-height: auto;
    padding: 34px 24px;
  }

  .img-highlight {
    padding: 40px 24px;
  }

  .img-trust-pill {
    border-radius: 28px;
    flex-wrap: wrap;
    padding: 22px 24px;
  }

  .img-final-cta {
    padding: 42px 24px;
  }

  .img-final-cta p {
    font-size: 19px;
    line-height: 1.65;
  }

  .img-btn {
    width: 100%;
    max-width: 340px;
  }

  .img-btn-group {
    flex-direction: column;
  }
}