:root {
  --primary: #3e8ede;
  --primary-dark: #2f6fb1;
  --text: #142033;
  --text-light: #5b6575;
  --bg: #f7faff;
  --white: #ffffff;
  --border: #dfe8f4;

  --shadow:
    0 10px 30px rgba(62, 142, 222, 0.08);

  --radius: 18px;

  --container: 1100px;
}

/* ========================================
Base
======================================== */

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    Inter,
    -apple-system,
    BlinkMacSystemFont,
    "Helvetica Neue",
    sans-serif;

  color: var(--text);

  background:
    radial-gradient(
      circle at top left,
      rgba(62, 142, 222, 0.08),
      transparent 35%
    ),
    linear-gradient(
      to bottom,
      #ffffff,
      #f7faff
    );

  line-height: 1.7;
}

* {
  box-sizing: border-box;
}

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

/* ========================================
Layout
======================================== */

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 100px 24px;
}

/* ========================================
Typography
======================================== */

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(40px, 6vw, 64px);
  font-weight: 800;
}

h2 {
  font-size: clamp(30px, 4vw, 44px);
  font-weight: 700;
  margin-bottom: 20px;
}

h3 {
  font-size: 22px;
  font-weight: 700;
}

p {
  color: var(--text-light);
  font-size: 17px;
}

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

.hero img {
  width: 100%;
  display: block;
  border-radius: 0 0 24px 24px;
}

/* ========================================
Sections
======================================== */

.intro,
.solution,
.output,
.flow {
  position: relative;
}

.intro-sub {
  color: var(--text-light);
  margin-bottom: 40px;
  font-size: 18px;
}

/* ========================================
Cards
======================================== */

.grid,
.grid-2,
.grid-3 {
  display: grid;
  gap: 24px;
}

.grid {
  grid-template-columns: repeat(2, 1fr);
}

.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.card,
.pain-item {
  background: rgba(255,255,255,0.75);

  backdrop-filter: blur(10px);

  border: 1px solid var(--border);

  border-radius: var(--radius);

  padding: 28px;

  box-shadow: var(--shadow);

  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.card:hover,
.pain-item:hover {
  transform: translateY(-6px);

  border-color: rgba(62,142,222,0.35);

  box-shadow:
    0 20px 50px rgba(62,142,222,0.15);
}

.pain-item {
  display: flex;
  align-items: center;
  
  gap: 14px;

  padding: 24px;

  .icon {
    font-size: 32px;
    line-height: 1.4;
  }

  p {
    margin: 0;

    font-size: 17px;

    line-height: 1.7;

    color: var(--text);
  }
}

/* ========================================
Pain
======================================== */

.pain-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.pain-item {
  position: relative;
  overflow: hidden;
}

.pain-item::before {
  content: "";

  position: absolute;

  left: 0;
  top: 0;
  bottom: 0;

  width: 5px;

  background:
    linear-gradient(
      to bottom,
      var(--primary),
      #7bb7f2
    );
}

/* ========================================
Solution
======================================== */
.solution-layout {
  display: grid;
  grid-template-columns: 1fr 520px;
  gap: 60px;
  align-items: center;
}

/* ========================================
Text
======================================== */

.solution-text {
  max-width: 560px;
}

/* ========================================
Image Area
======================================== */

.solution-image-wrap {
  width: 100%;

  aspect-ratio: 1 / 1;

  border-radius: 28px;

  overflow: hidden;

  background:
    linear-gradient(
      180deg,
      rgba(255,255,255,0.95),
      rgba(247,250,255,0.95)
    );

  border: 1px solid rgba(62,142,222,0.12);

  box-shadow:
    0 20px 60px rgba(62,142,222,0.08);

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 24px;
}

/* ========================================
Image
======================================== */

.solution-image {
  width: 100%;
  height: 100%;

  object-fit: contain;

  display: block;
}

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

@media (max-width: 900px) {

  .solution-layout {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .solution-text {
    max-width: 100%;
  }

  .solution-image-wrap {
    max-width: 520px;
    margin: 0 auto;
  }
}

/* ========================================
Output
======================================== */
.output {
  position: relative;
}

.output::before {
  content: "";

  position: absolute;

  inset: 0;

  background:
    linear-gradient(
      180deg,
      rgba(62,142,222,0.03),
      transparent
    );

  pointer-events: none;
}

.output-layout {
  display: grid;

  grid-template-columns: 520px 1fr;

  gap: 72px;

  align-items: center;
}

/* ========================================
Image Area
======================================== */

.output-image-wrap {
  width: 100%;

  aspect-ratio: 1 / 1;

  border-radius: 28px;

  overflow: hidden;

  background:
    linear-gradient(
      180deg,
      rgba(255,255,255,0.96),
      rgba(247,250,255,0.96)
    );

  border:
    1px solid rgba(62,142,222,0.12);

  box-shadow:
    0 20px 60px rgba(62,142,222,0.08);

  display: flex;
  align-items: center;
  justify-content: center;

  padding: 28px;

  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.output-image-wrap:hover {
  transform: translateY(-6px);

  box-shadow:
    0 30px 80px rgba(62,142,222,0.16);
}

/* ========================================
Image
======================================== */

.output-image {
  width: 100%;
  height: 100%;

  object-fit: contain;

  display: block;
}

/* ========================================
Text
======================================== */

.output-text {
  max-width: 560px;
}

.output-list {
  padding-left: 0;

  margin-top: 36px;

  display: grid;

  gap: 18px;
}

.output-list li {
  list-style: none;

  background: rgba(255,255,255,0.72);

  backdrop-filter: blur(10px);

  border:
    1px solid rgba(62,142,222,0.10);

  border-radius: 16px;

  padding: 20px 24px;

  font-size: 18px;
  font-weight: 600;

  box-shadow:
    0 10px 30px rgba(62,142,222,0.06);

  position: relative;

  padding-left: 58px;
}

.output-list li::before {
  content: "✓";

  position: absolute;

  left: 22px;
  top: 50%;

  transform: translateY(-50%);

  width: 24px;
  height: 24px;

  border-radius: 50%;

  background: var(--primary);

  color: white;

  font-size: 14px;
  font-weight: bold;

  display: flex;
  align-items: center;
  justify-content: center;
}

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

@media (max-width: 900px) {

  .output-layout {
    grid-template-columns: 1fr;

    gap: 40px;
  }

  .output-image-wrap {
    max-width: 520px;

    margin: 0 auto;
  }

  .output-text {
    max-width: 100%;
  }
}

/* ========================================
Difference
======================================== */

.difference {
  position: relative;
}

/* ========================================
Title
======================================== */

.difference h2 {
  text-align: center;

  margin-bottom: 56px;
}

/* ========================================
Grid
======================================== */

.difference .grid-2 {
  display: grid;

  grid-template-columns: repeat(2, 1fr);

  gap: 28px;
}

/* ========================================
Cards Base
======================================== */

.difference .grid-2 > div {
  position: relative;

  overflow: hidden;

  padding: 40px 36px;

  border-radius: 28px;

  backdrop-filter: blur(14px);

  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

/* ========================================
Left Card
======================================== */

.difference .grid-2 > div:first-child {

  background:
    rgba(255,255,255,0.72);

  border:
    1px solid rgba(20,32,51,0.08);

  box-shadow:
    0 10px 30px rgba(20,32,51,0.04);
}

.difference .grid-2 > div:first-child h3 {
  color: #687385;
}

/* ========================================
Right Card
======================================== */

.difference .grid-2 > div:last-child {

  background:
    linear-gradient(
      180deg,
      rgba(255,255,255,0.92),
      rgba(240,247,255,0.92)
    );

  border:
    1px solid rgba(62,142,222,0.18);

  box-shadow:
    0 20px 60px rgba(62,142,222,0.14);
}

.difference .grid-2 > div:last-child::before {

  content: "";

  position: absolute;

  inset: 0;

  background:
    radial-gradient(
      circle at top right,
      rgba(62,142,222,0.14),
      transparent 45%
    );

  pointer-events: none;
}

.difference .grid-2 > div:last-child h3 {
  color: var(--primary);
}

/* ========================================
Hover
======================================== */

.difference .grid-2 > div:hover {

  transform: translateY(-8px);
}

.difference .grid-2 > div:first-child:hover {

  box-shadow:
    0 20px 50px rgba(20,32,51,0.08);
}

.difference .grid-2 > div:last-child:hover {

  box-shadow:
    0 30px 80px rgba(62,142,222,0.20);
}

/* ========================================
Headings
======================================== */

.difference h3 {

  font-size: 26px;

  margin-bottom: 28px;

  letter-spacing: -0.02em;
}

/* ========================================
List
======================================== */

.difference ul {

  margin: 0;
  padding: 0;

  display: grid;

  gap: 18px;
}

.difference li {

  list-style: none;

  position: relative;

  padding-left: 40px;

  font-size: 17px;

  color: var(--text);

  line-height: 1.7;
}

/* ========================================
Icons
======================================== */

.difference li::before {

  position: absolute;

  left: 0;
  top: 2px;

  width: 24px;
  height: 24px;

  border-radius: 50%;

  display: flex;
  align-items: center;
  justify-content: center;

  font-size: 13px;

  font-weight: bold;
}

/* left */

.difference .grid-2 > div:first-child li::before {

  content: "–";

  background:
    rgba(20,32,51,0.08);

  color:
    rgba(20,32,51,0.55);
}

/* right */

.difference .grid-2 > div:last-child li::before {

  content: "✓";

  background: var(--primary);

  color: white;

  box-shadow:
    0 6px 16px rgba(62,142,222,0.28);
}

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

@media (max-width: 900px) {

  .difference .grid-2 {

    grid-template-columns: 1fr;
  }

  .difference h2 {

    margin-bottom: 40px;
  }

  .difference .grid-2 > div {

    padding: 32px 28px;
  }

  .difference h3 {

    font-size: 24px;
  }
}

/* ========================================
Flow
======================================== */

.flow ol {
  display: grid;
  gap: 18px;

  counter-reset: item;

  padding-left: 0;
}

.flow li {
  list-style: none;

  background: white;

  border-radius: 14px;

  padding: 20px 24px;

  border: 1px solid var(--border);

  position: relative;

  padding-left: 72px;
}

.flow li::before {
  counter-increment: item;

  content: counter(item);

  position: absolute;

  left: 20px;
  top: 50%;

  transform: translateY(-50%);

  width: 36px;
  height: 36px;

  border-radius: 50%;

  background: var(--primary);

  color: white;

  display: flex;
  align-items: center;
  justify-content: center;

  font-weight: bold;
}

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

.cta {
  margin-top: 80px;

  padding: 120px 24px;

  text-align: center;

  background:
    linear-gradient(
      135deg,
      #3e8ede,
      #67a9eb
    );

  color: white;

  border-radius: 32px 32px 0 0;
}

.cta h2,
.cta p {
  color: white;
}

.cta-button {
  display: inline-flex;

  align-items: center;
  justify-content: center;

  margin-top: 24px;

  padding: 16px 32px;

  border-radius: 999px;

  background: white;

  color: var(--primary);

  text-decoration: none;

  font-weight: 700;

  transition:
    transform 0.2s ease,
    box-shadow 0.2s ease;
}

.cta-button:hover {
  transform: translateY(-3px);

  box-shadow:
    0 12px 30px rgba(0,0,0,0.15);
}

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

@media (max-width: 900px) {
  .grid,
  .grid-2,
  .grid-3,
  .pain-list {
    grid-template-columns: 1fr;
  }

  .container {
    padding: 72px 20px;
  }

  h2 {
    font-size: 34px;
  }
}