@import url("https://fonts.googleapis.com/css2?family=Poppins:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,100;1,200;1,300;1,400;1,500;1,600;1,700;1,800;1,900&display=swap");

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

:root {
  /* Spacing */
  --ratio: 1.5;
  --spacing-2: calc(var(--spacing-1) / var(--ratio));
  --spacing-1: calc(var(--spacing0) / var(--ratio));
  --spacing0: 1rem;
  --spacing1: calc(var(--spacing0) * var(--ratio));
  --spacing2: calc(var(--spacing1) * var(--ratio));
  --spacing3: calc(var(--spacing2) * var(--ratio));
  --spacing4: calc(var(--spacing3) * var(--ratio));
  --spacing5: calc(var(--spacing4) * var(--ratio));

  /* Font Size */
  --size-body-1: 0.8125rem;
  --size-body: 1rem;
  --size-sub-header: 0.9375rem;
  --size-header-1: 1.25rem;
  --size-header: clamp(1.5rem, 1.2857rem + 1.0714vw, 2.25rem); /* 24px → 36px */

  /* Colors */
  --color-red: #ea5353;
  --color-cyan: #45d3d3;
  --color-orange: #fcaf4a;
  --color-blue: #549ef2;
  --color-very-dark-blue: #4c4e61;
  --color-grayish-blue: #a3a5ae;
  --color-very-light-gray: #fafafa;
  --color-white: #ffffff;

  /* Font Family */
  --font-base: serif;
  --font-poppins: "Poppins";
}

body {
  background-color: var(--color-very-light-gray);
  color: var(--color-very-dark-blue);
  font-family: var(--font-poppins);
  font-size: var(--size-body);
  display: flex;
  flex-direction: column;
  gap: var(--spacing2);
  line-height: 1.5;
  font-weight: 400;
  padding: 0;
  padding-top: var(--spacing2);
  padding-bottom: var(--spacing2);
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  font-size: var(--size-sub-header);
  gap: var(--spacing0);
}

header > h1 {
  display: flex;
  flex-direction: column;
  font-weight: 600;
  font-size: var(--size-header);
}

header > h1 > span:first-child {
  font-weight: 200;
}

header > p {
  max-inline-size: clamp(45ch, 45ch + 2.6291vw, 60ch);
  letter-spacing: 0.1px;
  opacity: 50%;
}

.card-component {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--spacing1);
}

.card {
  background-color: var(--color-white);
  display: flex;
  flex-direction: column;
  inline-size: clamp(19.4375rem, 18.5792rem + 3.662vw, 21.875rem);
  block-size: clamp(13.875rem, 13.2588rem + 2.6291vw, 15.625rem);
  border-radius: 0.5rem;
  padding: var(--spacing1);
  border-top: 0.25rem solid black;
  box-shadow: 0 15px 30px -11px #83a6d250;
}

.card:nth-child(1) {
  border-top-color: var(--color-cyan);
}

.card:nth-child(3) {
  border-top-color: var(--color-blue);
}

.card > h2 {
  font-size: var(--size-header-1);
}

.card > p {
  font-size: var(--size-body-1);
  letter-spacing: 0.09px;
  opacity: 50%;
  margin-block-start: 0.3rem;
  max-inline-size: 40ch;
}

.card > img {
  inline-size: 3.5625rem;
  block-size: 3.5625rem;
  display: block;
  margin-left: auto;
  margin-top: auto;
}

.stacked-card {
  display: flex;
  flex-direction: column;
  gap: var(--spacing1);
}

.stacked-card > *:nth-child(1) {
  border-top-color: var(--color-red);
}

.stacked-card > *:nth-child(2) {
  border-top-color: var(--color-orange);
}

@media (min-width: 1150px) {
  .card-component {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
  }
}