/* charity: water project template
   Based on the repository's beginner-friendly HTML/CSS structure:
   hero -> story/impact -> call-to-action, with responsive media queries.
*/
:root {
  --yellow: #ffc907;
  --blue: #2e9df7;
  --light-blue: #8bd1cb;
  --navy: #073b72;
  --cream: #fff5dc;
  --white: #ffffff;
  --green: #4fcb53;
  --dark-green: #159a48;
  --max-width: 1500px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--cream);
  color: var(--navy);
  font-family: Avenir, "Proxima Nova", Arial, sans-serif;
}

body.modal-open { overflow: hidden; }

button, input { font: inherit; }

button { cursor: pointer; }

.site-header {
  min-height: 138px;
  background: #79aabd;
  display: flex;
  align-items: flex-start;
  padding: 28px;
  position: relative;
  z-index: 20;
}

.brand {
  width: 566px;
  height: 91px;
  background: var(--white);
  display: flex;
  align-items: center;
  padding: 0 34px;
  clip-path: polygon(0 0, 100% 0, 92% 50%, 100% 100%, 0 100%, 5% 50%);
}

.brand-mark {
  width: 40px;
  height: 52px;
  background: var(--yellow);
  border-radius: 6px;
  margin-right: 20px;
  position: relative;
  flex: none;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  left: 9px;
  right: 9px;
  border: 3px solid white;
  border-radius: 4px;
}

.brand-mark::before {
  top: 9px;
  height: 12px;
  border-bottom: 0;
  transform: skewY(-12deg);
}

.brand-mark::after {
  bottom: 9px;
  height: 12px;
  border-top: 0;
  transform: skewY(12deg);
}

.brand-name {
  color: #111;
  font-family: Georgia, serif;
  font-size: 40px;
  letter-spacing: 7px;
  white-space: nowrap;
}

.desktop-nav {
  display: flex;
  gap: 84px;
  margin-left: 32px;
  padding-top: 18px;
  font-size: 30px;
}

.desktop-nav a,
.mobile-nav a {
  transition: opacity .2s, transform .2s;
}

.desktop-nav a:hover,
.mobile-nav a:hover {
  opacity: .65;
  transform: translateY(-2px);
}

.menu-button {
  display: none;
  border: 0;
  background: transparent;
  color: var(--navy);
  font-size: 30px;
}

.mobile-nav {
  display: none;
}

/* Hero: the mockup's asymmetrical two-column composition. */
.hero {
  display: grid;
  grid-template-columns: 58% 42%;
  min-height: calc(100vh - 138px);
  background: var(--cream);
}

.hero-copy {
  padding: 20px 34px 80px 24px;
}

.hero h1 {
  max-width: 700px;
  margin: 0 0 28px;
  font-size: clamp(48px, 5.1vw, 66px);
  line-height: .99;
  letter-spacing: -1px;
  font-weight: 800;
}

.hero-text {
  max-width: 660px;
  margin: 0 0 28px;
  font-size: clamp(21px, 2.15vw, 30px);
  line-height: 1.38;
}

.hero-button {
  margin-left: 74px;
}

.hero-image-wrap {
  position: relative;
  min-height: calc(100vh - 138px);
}

.hero-image-wrap::before {
  content: "";
  position: absolute;
  z-index: 2;
  left: -38px;
  top: -22px;
  bottom: 0;
  width: 76px;
  background: var(--cream);
  border-radius: 50%;
}

.hero-image {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 680px;
  object-fit: cover;
  object-position: center top;
}

.donate-button {
  border: 0;
  border-radius: 32px;
  background: #79aabd;
  color: var(--navy);
  padding: 24px 36px;
  min-width: 355px;
  font-size: 28px;
  font-weight: 800;
  transition: transform .2s, box-shadow .2s, background .2s;
}

.donate-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 24px rgba(7, 59, 114, .16);
  background: #6ea2b5;
}

.button-dot {
  display: inline-block;
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background: var(--navy);
  margin-right: 25px;
  vertical-align: 2px;
}

/* Story / impact section, following the source repo's structure. */
.story {
  padding: 100px 8vw;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 70px;
  align-items: center;
  background: white;
}

.story-content {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 12px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
}

.story h2,
.impact h2 {
  margin: 0 0 22px;
  font-size: clamp(40px, 5vw, 58px);
  line-height: 1.03;
}

.story p:not(.eyebrow),
.impact > p:not(.eyebrow) {
  font-size: 21px;
  line-height: 1.6;
  color: #194d7e;
}

.story-card {
  background: var(--cream);
  padding: 48px;
  border-radius: 28px;
}

.story-card h3 {
  margin: 0 0 25px;
  font-size: 32px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.stat {
  padding: 20px;
  border-radius: 18px;
  background: #79aabd;
}

.stat strong {
  display: block;
  font-size: 32px;
}

.stat span {
  font-size: 14px;
  line-height: 1.3;
}

/* Donation CTA: intentionally interactive, but no real payment processing. */
.impact {
  padding: 100px 8vw;
  text-align: center;
  background: #79aabd;
}

.impact h2 {
  max-width: 850px;
  margin-inline: auto;
}

.impact > p:not(.eyebrow) {
  max-width: 720px;
  margin: 0 auto 28px;
}

.amounts {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin: 26px auto;
}

.amount {
  padding: 13px 25px;
  border: 2px solid var(--navy);
  border-radius: 999px;
  background: transparent;
  color: var(--navy);
  font-weight: 800;
}

.amount:hover,
.amount.active {
  background: var(--navy);
  color: white;
}

.final-button {
  min-width: 0;
  background: var(--navy);
  color: white;
  border-radius: 999px;
  padding: 18px 34px;
}

/* Simple modal interaction for the demo Donate Now flow. */
.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
  place-items: center;
  padding: 20px;
  background: rgba(7, 59, 114, .67);
}

.modal.open { display: grid; }

.dialog {
  width: min(520px, 100%);
  padding: 34px;
  border-radius: 26px;
  background: var(--cream);
  box-shadow: 0 25px 70px rgba(0,0,0,.25);
}

.close-button {
  float: right;
  border: 0;
  background: transparent;
  color: var(--navy);
  font-size: 30px;
}

.dialog h2 {
  margin: 0 0 10px;
  font-size: 38px;
}

.dialog > p:not(.eyebrow):not(.success) {
  line-height: 1.5;
}

.donation-form {
  display: grid;
  gap: 12px;
}

.donation-form label {
  display: grid;
  gap: 6px;
  font-weight: 700;
}

.donation-form input {
  width: 100%;
  padding: 13px;
  border: 2px solid #b7c7d2;
  border-radius: 10px;
  background: white;
}

.submit-button {
  padding: 14px;
  border: 0;
  border-radius: 10px;
  background: var(--navy);
  color: white;
  font-weight: 800;
}

.success {
  display: none;
  margin: 12px 0 0;
  padding: 14px;
  border-radius: 10px;
  background: #dff4e4;
}

/* Media queries keep the page readable and touch-friendly on smaller screens. */
@media (max-width: 900px) {
  .site-header {
    min-height: 86px;
    padding: 14px 16px;
    align-items: center;
    justify-content: space-between;
  }

  .brand {
    width: 300px;
    height: 58px;
    padding: 0 22px;
  }

  .brand-mark {
    width: 27px;
    height: 35px;
    margin-right: 12px;
  }

  .brand-mark::before,
  .brand-mark::after {
    left: 6px;
    right: 6px;
    border-width: 2px;
  }

  .brand-mark::before { top: 6px; height: 8px; }
  .brand-mark::after { bottom: 6px; height: 8px; }

  .brand-name {
    font-size: 22px;
    letter-spacing: 4px;
  }

  .desktop-nav { display: none; }
  .menu-button { display: block; }

  .mobile-nav {
    position: absolute;
    right: 16px;
    top: 76px;
    z-index: 30;
    width: 220px;
    padding: 12px;
    border-radius: 14px;
    background: white;
    box-shadow: 0 15px 35px rgba(7,59,114,.2);
  }

  .mobile-nav.open { display: grid; }
  .mobile-nav a { padding: 13px; }

  .hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .hero-copy {
    padding: 38px 24px 42px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero-text {
    font-size: 21px;
  }

  .hero-button {
    width: 100%;
    margin-left: 0;
    min-width: 0;
    font-size: 21px;
  }

  .hero-image-wrap {
    min-height: 520px;
  }

  .hero-image-wrap::before { display: none; }

  .hero-image {
    min-height: 520px;
  }

  .story {
    grid-template-columns: 1fr;
    padding: 70px 24px;
    gap: 30px;
  }

  .story-card { padding: 30px; }

  .stats {
    grid-template-columns: 1fr;
  }

  .impact {
    padding: 70px 24px;
  }
}

@media (max-width: 600px) {
  .brand {
    width: 255px;
  }

  .brand-name {
    font-size: 19px;
    letter-spacing: 3px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .donate-button {
    padding: 20px 24px;
  }

  .button-dot {
    width: 18px;
    height: 18px;
    margin-right: 16px;
  }
}