:root {
  --midnight: #0d141d;
  --navy: #121b28;
  --navy-soft: #182231;
  --slate: #303946;
  --slate-light: #56616f;
  --panel: rgba(255, 255, 255, 0.055);
  --panel-strong: rgba(255, 255, 255, 0.09);
  --teal: #1396a7;
  --teal-light: #58d0d3;
  --cream: #f6f2ea;
  --white: #fbfbfb;
  --muted: #cbd3dd;
  --ink: #071018;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
  --radius: 34px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--white);
  background: linear-gradient(180deg, #0e141b 0%, #0a1016 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  overflow-x: hidden;
}

section,
footer {
  scroll-margin-top: 108px;
}

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: -0.035em;
  color: var(--white);
}

h1,
.about-copy h2,
.mission h2,
.hand-copy h2,
.get-involved h2,
.donate-copy h2 {
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  font-weight: 700;
  letter-spacing: -0.03em;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

.section-tag {
  display: inline-block;
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.84rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.dashboard {
  position: sticky;
  top: 0;
  z-index: 50;
  width: 100%;
  min-height: 92px;
  padding: 16px clamp(24px, 4.5vw, 80px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  background: rgba(10, 14, 20, 0.78);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: none;
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}

.brand img {
  width: clamp(175px, 15vw, 238px);
  display: block;
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.28));
}

.dashboard-links {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(18px, 3.1vw, 48px);
  margin-left: auto;
  white-space: nowrap;
}

.dashboard-links a {
  position: relative;
  font-size: clamp(14px, 0.95vw, 16px);
  font-weight: 600;
  letter-spacing: 0.01em;
  color: rgba(255, 255, 255, 0.84);
  transition: color 0.2s ease;
}

.dashboard-links a:not(.contact-button)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -10px;
  height: 2px;
  background: var(--teal-light);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.2s ease;
}

.dashboard-links a:hover {
  color: #ffffff;
}

.dashboard-links a:not(.contact-button):hover::after {
  transform: scaleX(1);
}

.contact-button {
  margin-left: clamp(6px, 1.2vw, 18px);
  padding: 10px 18px;
  border-radius: 999px;
  color: #061016 !important;
  background: linear-gradient(135deg, #62d9d9 0%, #1396a7 100%);
  box-shadow: none;
}

.contact-button:hover {
  transform: none;
}

main {
  background: transparent;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  min-height: calc(100vh - 104px);
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(88, 208, 211, 0.55), transparent);
}

.hero-image {
  min-height: 640px;
  background:
    linear-gradient(90deg, rgba(13, 20, 29, 0.02), rgba(13, 20, 29, 0.06)),
    url("assets/hand-hero.png") center center / cover no-repeat;
}

.hero-copy {
  position: relative;
  isolation: isolate;
  background: linear-gradient(135deg, #2b333b 0%, #1a2128 100%);
  display: flex;
  align-items: center;
  padding: clamp(70px, 7vw, 120px) clamp(45px, 7vw, 118px);
}

.hero-copy::before,
.hero-copy::after {
  content: none;
}

.hero-copy > div {
  max-width: 660px;
}

.hero-copy h1 {
  font-size: clamp(34px, 3.2vw, 52px);
  line-height: 0.96;
  margin-bottom: 24px;
  text-wrap: balance;
  white-space: nowrap;
}

.hero-copy h2 {
  font-size: clamp(20px, 1.7vw, 28px);
  line-height: 1.12;
  margin-bottom: 20px;
  max-width: 610px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-copy p {
  max-width: 610px;
  font-size: clamp(16px, 1.05vw, 18px);
  line-height: 1.7;
  margin: 0 0 32px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 500;
}

.pill-button,
.survey-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 172px;
  height: 46px;
  padding: 0 22px;
  color: #051017;
  background: linear-gradient(135deg, #62d9d9 0%, #1396a7 100%);
  border: 0;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 800;
  letter-spacing: 0.01em;
  transition: filter 0.2s ease;
}

.pill-button:hover,
.survey-button:hover {
  filter: brightness(1.03);
}

.about {
  position: relative;
  padding: clamp(72px, 7vw, 116px) clamp(28px, 6vw, 96px);
  background: var(--navy);
  display: grid;
  grid-template-columns: minmax(340px, 0.9fr) minmax(400px, 1.1fr);
  gap: clamp(36px, 5vw, 72px);
  align-items: center;
}

.about::before {
  content: "";
  position: absolute;
  top: 0;
  left: clamp(28px, 6vw, 96px);
  width: 132px;
  height: 5px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal-light), transparent);
}

.about-copy {
  max-width: 620px;
}

.about-copy h2 {
  font-size: clamp(32px, 3vw, 44px);
  line-height: 1.04;
  margin-bottom: 20px;
}

.about-copy p {
  font-size: clamp(16px, 1.05vw, 18px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 500;
}

.about-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(24px, 4vw, 52px);
}

.about-images img {
  width: 100%;
  aspect-ratio: 1.18 / 1;
  object-fit: cover;
  border-radius: 32px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow);
  transition: transform 0.3s ease, box-shadow 0.3s ease, filter 0.3s ease;
}

.about-images img:hover {
  transform: translateY(-6px) scale(1.01);
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.28);
  filter: saturate(1.05);
}

.about-images img:first-child {
  transform: translateY(34px);
}

.about-images img:last-child {
  transform: translateY(-26px);
}

.academic-note {
  grid-column: 1 / -1;
  max-width: 760px;
  margin: 18px 0 0;
  padding: 0;
  border-left: none;
  color: rgba(255, 255, 255, 0.72);
  font-family: Inter, Arial, sans-serif;
  font-size: clamp(14px, 0.95vw, 16px);
  line-height: 1.6;
}

.mission {
  position: relative;
  padding: clamp(72px, 7vw, 110px) clamp(28px, 6vw, 96px);
  background: #2a313b;
  overflow: hidden;
}

.mission h2 {
  position: relative;
  z-index: 1;
  max-width: 1040px;
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.08;
  margin-bottom: 20px;
  text-wrap: balance;
}

.mission p {
  position: relative;
  z-index: 1;
  width: 820px;
  max-width: 100%;
  font-size: clamp(16px, 1.05vw, 18px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 500;
}

.hand-wrap {
  background: #3b454f;
  padding: clamp(48px, 6vw, 88px) clamp(24px, 5vw, 78px);
}

.hand-card {
  width: min(100%, 1400px);
  min-height: 700px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, 0.82fr);
  overflow: hidden;
  background: #161d24;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 24px;
  box-shadow: none;
}

.hand-copy {
  padding: clamp(54px, 6vw, 92px) clamp(42px, 6vw, 90px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hand-copy h2 {
  font-size: clamp(34px, 3.2vw, 48px);
  line-height: 1;
  margin-bottom: 14px;
}

.hand-copy h3 {
  font-size: clamp(18px, 1.7vw, 24px);
  line-height: 1.3;
  margin-bottom: 24px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hand-copy ul {
  margin: 0;
  padding: 0;
  font-size: clamp(15px, 0.95vw, 17px);
  line-height: 1.5;
  font-weight: 500;
}

.hand-copy > ul {
  display: grid;
  gap: 14px;
  margin-bottom: 36px;
  list-style: none;
}

.hand-copy > ul > li {
  padding: 14px 16px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
}

.hand-copy > ul > li strong {
  display: block;
  margin-bottom: 6px;
  color: #ffffff;
}

.hand-copy li ul {
  margin: 0;
  padding-left: 22px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(16px, 1vw, 19px);
  font-weight: 560;
}

.hand-copy .pill-button {
  align-self: flex-start;
  min-width: 176px;
}

.hand-image {
  min-height: 560px;
  background:
    linear-gradient(90deg, rgba(18, 27, 40, 0.2), transparent 25%),
    url("assets/hand-model.png") center top / cover no-repeat;
  transition: transform 0.35s ease, filter 0.35s ease;
}

.hand-card:hover .hand-image {
  transform: scale(1.03);
  filter: saturate(1.05);
}

.get-involved {
  position: relative;
  padding: clamp(72px, 7vw, 112px) clamp(28px, 5vw, 82px);
  background: var(--navy);
}

.get-involved h2 {
  max-width: 1200px;
  font-size: clamp(30px, 3vw, 44px);
  line-height: 1.05;
  margin-bottom: clamp(24px, 3vw, 36px);
  text-wrap: balance;
}

.involved-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.88fr) minmax(420px, 1.12fr);
  align-items: center;
  gap: clamp(34px, 6vw, 84px);
}

.involved-grid p {
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  text-align: left;
  font-size: clamp(16px, 1.02vw, 18px);
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 500;
}

.involved-grid img {
  width: min(100%, 780px);
  margin: 0 auto;
  display: block;
  filter: drop-shadow(0 24px 45px rgba(0, 0, 0, 0.36));
  transition: transform 0.3s ease, filter 0.3s ease;
}

.involved-grid img:hover {
  transform: translateY(-6px) scale(1.01);
  filter: drop-shadow(0 28px 56px rgba(0, 0, 0, 0.42));
}

.touch-link {
  display: block;
  width: max-content;
  margin: 24px auto 0;
  padding-bottom: 4px;
  font-size: clamp(20px, 1.7vw, 26px);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 6px;
  transition: color 0.2s ease;
}

.touch-link:hover {
  color: var(--teal-light);
  transform: translateY(-2px);
}

.donate {
  display: grid;
  grid-template-columns: minmax(360px, 0.86fr) minmax(420px, 1.14fr);
  min-height: 500px;
  background: #2c343d;
  overflow: hidden;
}

.donate-image {
  min-height: 520px;
  background:
    linear-gradient(90deg, transparent 0%, rgba(43, 52, 61, 0.28) 100%),
    url("assets/hand-donate.png") center center / cover no-repeat;
  transition: transform 0.35s ease, filter 0.35s ease;
}

.donate:hover .donate-image {
  transform: scale(1.03);
  filter: saturate(1.05);
}

.donate-copy {
  padding: clamp(70px, 7vw, 112px) clamp(42px, 8vw, 132px);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.donate-copy h3 {
  font-size: clamp(20px, 1.7vw, 26px);
  line-height: 1.1;
  margin-bottom: 10px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.donate-copy h2 {
  font-size: clamp(34px, 3vw, 48px);
  line-height: 0.92;
  margin-bottom: 14px;
}

.underline {
  width: 80px;
  height: 3px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--teal-light), rgba(255, 255, 255, 0.22));
  margin: 0 0 24px;
}

.donate-copy p {
  width: 850px;
  max-width: 100%;
  margin: 0 0 24px;
  font-size: clamp(16px, 1.02vw, 18px);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 500;
}

.survey-button {
  min-width: 170px;
  align-self: flex-start;
}

.footer {
  position: relative;
  padding: clamp(56px, 6vw, 90px) clamp(28px, 6vw, 96px) clamp(44px, 5vw, 74px);
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 0%, rgba(19, 150, 167, 0.12), transparent 24rem),
    linear-gradient(135deg, #f8efe2 0%, #f3e9da 45%, #f7f2ea 100%);
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(220px, 0.85fr);
  gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(19, 150, 167, 0.35), transparent);
}

.footer h2,
.footer p,
.footer a {
  color: var(--ink);
}

.footer-left,
.footer-right {
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid rgba(19, 150, 167, 0.16);
  border-radius: 24px;
  box-shadow: 0 18px 40px rgba(7, 16, 24, 0.06);
  padding: clamp(24px, 3vw, 32px);
}

.footer-left {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.footer-left img {
  width: clamp(172px, 15vw, 220px);
  margin-bottom: 20px;
  filter: drop-shadow(0 8px 18px rgba(7, 16, 24, 0.14));
}

.footer-left h2 {
  font-size: clamp(22px, 1.8vw, 28px);
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.footer-left p {
  margin: 0;
  font-size: clamp(18px, 1.6vw, 24px);
  line-height: 1.24;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: rgba(7, 16, 24, 0.9);
}

.footer-left .instagram {
  margin-top: 10px;
  color: var(--teal);
  font-weight: 800;
}

.footer-right {
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-right h2 {
  font-size: clamp(22px, 1.8vw, 28px);
  margin-bottom: 8px;
}

.footer-right a {
  display: inline-block;
  font-size: clamp(17px, 1.5vw, 22px);
  line-height: 1.5;
  font-weight: 700;
  color: rgba(7, 16, 24, 0.78);
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-right a:hover {
  color: var(--teal);
  transform: translateX(4px);
}

.footer-notice {
  grid-column: 1 / -1;
  justify-self: end;
  width: min(760px, 100%);
  margin: 10px 0 0;
  padding-top: 18px;
  text-align: right;
  font-size: clamp(14px, 1vw, 16px);
  line-height: 1.6;
  font-weight: 500;
  color: rgba(7, 16, 24, 0.7);
  border-top: 1px solid rgba(7, 16, 24, 0.08);
}

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(6, 12, 20, 0.74);
  backdrop-filter: blur(8px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.modal-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.survey-modal {
  position: relative;
  width: min(760px, 100%);
  max-height: 90vh;
  overflow: auto;
  padding: clamp(24px, 3vw, 34px);
  border-radius: 20px;
  background: #fcfaf7;
  color: var(--ink);
  box-shadow: none;
  border: 1px solid rgba(7, 16, 24, 0.07);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 50%;
  background: rgba(7, 16, 24, 0.08);
  color: var(--ink);
  font-size: 1.6rem;
  cursor: pointer;
}

.survey-modal h2 {
  margin-bottom: 8px;
  color: var(--ink);
  font-size: clamp(28px, 3vw, 36px);
}

.modal-intro {
  margin-bottom: 20px;
  color: #33414d;
  font-size: 1rem;
  line-height: 1.6;
}

#survey-form {
  display: grid;
  gap: 16px;
}

#survey-form label {
  display: grid;
  gap: 8px;
  font-size: 0.98rem;
  font-weight: 700;
  color: #1d2b36;
}

#survey-form input[type="text"],
#survey-form input[type="email"],
#survey-form textarea {
  width: 100%;
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid rgba(7, 16, 24, 0.16);
  border-radius: 0;
  background: transparent;
  font: inherit;
  color: var(--ink);
  outline: none;
}

#survey-form input[type="text"]:focus,
#survey-form input[type="email"]:focus,
#survey-form textarea:focus {
  border-bottom-color: var(--teal);
}

#survey-form input[type="range"] {
  width: 100%;
  accent-color: var(--teal);
  cursor: pointer;
}

.slider-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.slider-value {
  min-width: 34px;
  padding: 8px 10px;
  border-radius: 999px;
  background: rgba(19, 150, 167, 0.12);
  color: var(--teal);
  font-weight: 800;
  text-align: center;
}

#survey-form textarea {
  resize: vertical;
  min-height: 100px;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 12px;
  margin-top: 8px;
}

.modal-cancel {
  border: 0;
  border-radius: 999px;
  padding: 12px 20px;
  background: rgba(7, 16, 24, 0.08);
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
}

.survey-feedback {
  min-height: 24px;
  margin-top: 4px;
  color: #0f7a54;
  font-weight: 700;
}

@media (max-width: 1120px) {
  .dashboard {
    position: relative;
    flex-direction: column;
    align-items: center;
    min-height: auto;
    padding: 24px 26px;
  }

  .dashboard-links {
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px 26px;
  }

  section,
  footer {
    scroll-margin-top: 24px;
  }

  .split-section,
  .hand-card,
  .donate,
  .about,
  .involved-grid,
  .footer {
    grid-template-columns: 1fr;
  }

  .hero-image,
  .hand-image,
  .donate-image {
    min-height: 460px;
  }

  .hero-copy,
  .hand-copy,
  .donate-copy {
    padding-left: 34px;
    padding-right: 34px;
  }

  .about-images img:first-child,
  .about-images img:last-child {
    transform: none;
  }

  .footer-left,
  .footer-right {
    padding: 24px;
  }

  .footer-right {
    text-align: left;
  }

  .footer-right a:hover {
    transform: translateX(3px);
  }

  .footer-notice {
    text-align: left;
    justify-self: start;
  }
}

@media (max-width: 680px) {
  .contact-button {
    width: 100%;
    justify-content: center;
    margin-left: 0;
  }

  .dashboard-links {
    width: 100%;
  }

  .about-images {
    grid-template-columns: 1fr;
  }

  .hero-image,
  .hand-image,
  .donate-image {
    min-height: 360px;
  }

  .about,
  .mission,
  .get-involved,
  .hand-wrap {
    padding-left: 22px;
    padding-right: 22px;
  }

  .hero-copy,
  .hand-copy,
  .donate-copy,
  .footer {
    padding-left: 22px;
    padding-right: 22px;
  }

  .hand-copy > ul > li {
    padding: 16px;
  }
}