:root {
  --ink: #102a43;
  --muted: #5e7387;
  --blue: #2484dd;
  --blue-dark: #176dbd;
  --sky: #dff3ff;
  --sky-light: #f3faff;
  --line: #d2e7f4;
  --white: #ffffff;
  --shadow: 0 28px 70px rgba(46, 118, 169, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 75% 6%, rgba(158, 218, 251, 0.38), transparent 24rem),
    linear-gradient(180deg, #f6fcff 0, #eaf7ff 58%, #f8fcff 100%);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

svg {
  display: block;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 1rem;
  left: 1rem;
  padding: 0.75rem 1rem;
  color: var(--white);
  background: var(--ink);
  border-radius: 0.65rem;
  transform: translateY(-150%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  width: min(1180px, calc(100% - 48px));
  height: 86px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0.05px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: linear-gradient(145deg, #72c5f8, #2d8fe7);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(45, 143, 231, 0.28);
}

.brand-mark svg {
  width: 27px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
}

.header-note {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.85rem;
  color: #466279;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(202, 227, 242, 0.9);
  border-radius: 999px;
  font-size: 0.77rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  backdrop-filter: blur(12px);
}

.status-dot {
  width: 7px;
  height: 7px;
  background: #50b98a;
  border-radius: 999px;
  box-shadow: 0 0 0 4px rgba(80, 185, 138, 0.12);
}

.hero {
  width: min(1180px, calc(100% - 48px));
  min-height: calc(100vh - 86px);
  margin: 0 auto;
  padding: 58px 0 110px;
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(450px, 1fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 6.5rem);
}

.hero-visual {
  position: relative;
  min-height: 590px;
  display: grid;
  place-items: center;
  isolation: isolate;
}

.hero-visual::before {
  content: "";
  position: absolute;
  z-index: -3;
  width: 90%;
  aspect-ratio: 1;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.74), rgba(202, 235, 255, 0.72));
  border: 1px solid rgba(255, 255, 255, 0.88);
  border-radius: 48% 52% 48% 52% / 58% 48% 52% 42%;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.9), var(--shadow);
  transform: rotate(-6deg);
}

.image-glow {
  position: absolute;
  z-index: -2;
  width: 70%;
  height: 34%;
  bottom: 20%;
  background: rgba(59, 150, 215, 0.22);
  filter: blur(45px);
  border-radius: 50%;
}

.hero-visual img {
  width: 122%;
  max-width: 650px;
  height: auto;
  object-fit: contain;
  transform: rotate(-2.5deg);
  filter: drop-shadow(0 28px 32px rgba(54, 117, 161, 0.12));
  animation: settle 900ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.orb {
  position: absolute;
  z-index: -1;
  border-radius: 50%;
  border: 1px solid rgba(255, 255, 255, 0.76);
  box-shadow: 0 10px 30px rgba(59, 135, 187, 0.12);
}

.orb-one {
  width: 54px;
  height: 54px;
  top: 8%;
  right: 8%;
  background: rgba(170, 222, 253, 0.72);
}

.orb-two {
  width: 28px;
  height: 28px;
  left: 2%;
  bottom: 24%;
  background: rgba(255, 255, 255, 0.75);
}

.help-card {
  position: absolute;
  right: 1%;
  bottom: 10%;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  padding: 0.85rem 1rem 0.85rem 0.85rem;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.96);
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(35, 97, 138, 0.16);
  backdrop-filter: blur(16px);
  animation: rise 900ms 250ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.help-card-icon {
  width: 35px;
  height: 35px;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--blue);
  border-radius: 11px;
}

.help-card-icon svg {
  width: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.5;
}

.help-card > span:last-child {
  color: var(--muted);
  font-size: 0.72rem;
  line-height: 1.45;
}

.help-card strong {
  display: block;
  color: var(--ink);
  font-size: 0.82rem;
}

.hero-copy {
  animation: rise 800ms 80ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.eyebrow {
  margin: 0 0 1rem;
  color: var(--blue-dark);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.hero-copy h1,
.features-intro h2 {
  margin: 0;
  font-family: 'Segoe UI';
  font-weight: 800;
}

.hero-copy h1 {
  max-width: 650px;
  font-size: clamp(3.7rem, 6vw, 6.15rem);
  line-height: 0.9;
  font-size: 4.7rem;
}

.hero-copy h1 span {
  color: var(--blue);
}

.hero-description {
  max-width: 610px;
  margin: 2rem 0 2rem;
  color: var(--muted);
  font-size: clamp(0.98rem, 1.2vw, 1.08rem);
  line-height: 1.8;
  letter-spacing: 0.1px;
  text-align: justify;
}

.download-form {
  max-width: 620px;
  padding: 1.4rem;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: 22px;
  box-shadow: 0 20px 55px rgba(47, 122, 173, 0.13);
  backdrop-filter: blur(18px);
}

.form-heading {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.form-kicker {
  margin: 0 0 0.2rem;
  color: var(--blue-dark);
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.form-heading h2 {
  margin: 0;
  font-size: 1.2rem;
  letter-spacing: 0.1px;
}

.form-arrow {
  width: 26px;
  color: #8ebbd7;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.6;
}

.fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.fields label > span:first-child {
  display: block;
  margin: 0 0 0.45rem 0.2rem;
  color: #38536b;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.25px;
}

.fields small {
  color: #8798a7;
  font-size: inherit;
  font-weight: 500;
}

.input-wrap {
  height: 48px;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0 0.8rem;
  background: rgba(246, 251, 255, 0.84);
  border: 1px solid #d7e8f3;
  border-radius: 12px;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.input-wrap:focus-within {
  background: var(--white);
  border-color: #69aee7;
  box-shadow: 0 0 0 4px rgba(51, 144, 220, 0.1);
}

.input-wrap svg {
  width: 18px;
  flex: 0 0 18px;
  color: #82a7be;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.input-wrap input {
  width: 100%;
  min-width: 0;
  padding: 0;
  color: var(--ink);
  background: transparent;
  border: 0;
  outline: none;
  font-size: 0.8rem;
  letter-spacing: 0.25px;
}

.input-wrap input::placeholder {
  color: #9cb0be;
}

.download-form button {
  width: 100%;
  min-height: 52px;
  margin-top: 0.9rem;
  padding: 0.8rem 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  color: var(--white);
  background: linear-gradient(135deg, #3195e8, #1b79cd);
  border: 0;
  border-radius: 13px;
  box-shadow: 0 11px 22px rgba(35, 128, 207, 0.24);
  cursor: pointer;
  font-size: 1rem;
  letter-spacing: 0.6px;
  font-weight: 750;
  transition: transform 180ms ease, box-shadow 180ms ease, filter 180ms ease;
}

.download-form button:hover {
  filter: saturate(1.08);
  transform: translateY(-2px);
  box-shadow: 0 15px 30px rgba(35, 128, 207, 0.3);
}

.download-form button:active {
  transform: translateY(0);
}

.download-form button:disabled {
  cursor: wait;
  filter: grayscale(0.15);
  opacity: 0.78;
  transform: none;
}

.download-form button:focus-visible,
.brand:focus-visible {
  outline: 3px solid rgba(28, 125, 208, 0.4);
  outline-offset: 3px;
}

.download-form button svg {
  width: 17px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.form-status {
  min-height: 1rem;
  margin: 0.55rem 0 -0.25rem;
  color: #49677e;
  font-size: 0.72rem;
  line-height: 1.4;
  text-align: center;
}

.form-status:empty {
  display: none;
}

.form-status.is-error {
  color: #a33b3b;
}

.privacy-note {
  margin: 0.75rem 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  color: #7b8d9b;
  font-size: 0.7rem;
  line-height: 1.4;
  text-align: center;
  letter-spacing: 0.1px;
}

.privacy-note svg {
  width: 14px;
  flex: 0 0 14px;
  color: #56a37e;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.features-section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto 88px;
  padding: clamp(3rem, 7vw, 5.5rem);
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: clamp(2.5rem, 7vw, 7rem);
  background:
    radial-gradient(circle at 95% 0, rgba(108, 186, 238, 0.18), transparent 18rem),
    rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.92);
  border-radius: 36px;
  box-shadow: var(--shadow);
}

.features-intro h2 {
  font-size: clamp(2.5rem, 4.2vw, 4.25rem);
  line-height: 1;
}

.features-intro > p:last-child {
  max-width: 390px;
  margin: 1.3rem 0 0;
  color: var(--muted);
  line-height: 1.75;
  letter-spacing: 0.15px;
}

.feature-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  list-style: none;
  letter-spacing: 0.15px;
}

.feature-list li {
  min-height: 78px;
  padding: 1rem 1.1rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  background: rgba(246, 252, 255, 0.84);
  border: 1px solid var(--line);
  border-radius: 16px;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.feature-list li:hover {
  background: var(--white);
  border-color: #b5d8ed;
  transform: translateX(4px);
}

.check {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  display: grid;
  place-items: center;
  color: var(--blue-dark);
  background: #daf1ff;
  border-radius: 50%;
}

.check svg {
  width: 19px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.4;
}

.feature-list strong,
.feature-list small {
  display: block;
}

.feature-list strong {
  margin-bottom: 0.2rem;
  font-size: 0.95rem;
}

.feature-list small {
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.45;
}

footer {
  width: min(1180px, calc(100% - 48px));
  min-height: 90px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  color: #688095;
  border-top: 1px solid rgba(164, 200, 222, 0.55);
  font-size: 0.7rem;
}

footer p {
  margin: 0;
}

@keyframes settle {
  from {
    opacity: 0;
    transform: translateY(24px) rotate(-5deg) scale(0.96);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
}

@media (max-width: 940px) {
  .hero {
    min-height: auto;
    padding-top: 35px;
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .hero-copy {
    max-width: 700px;
    margin: 0 auto;
    order: -1;
  }

  .hero-visual {
    min-height: 520px;
    max-width: 650px;
    width: 100%;
    margin: 0 auto;
  }

  .features-section {
    grid-template-columns: 1fr;
    gap: 2.2rem;
  }
}

@media (max-width: 620px) {
  .site-header,
  .hero,
  .features-section,
  footer {
    width: min(100% - 28px, 1180px);
  }

  .site-header {
    height: 72px;
  }

  .header-note {
    padding: 0.45rem 0.65rem;
    font-size: 0.62rem;
  }

  .hero {
    padding: 38px 0 72px;
  }

  .hero-copy h1 {
    font-size: clamp(3rem, 14vw, 3.7rem);
  }

  .hero-description {
    margin-top: 1.4rem;
    line-height: 1.7;
  }

  .download-form {
    padding: 1.1rem;
    border-radius: 18px;
  }

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

  .hero-visual {
    min-height: 390px;
  }

  .hero-visual img {
    width: 119%;
  }

  .help-card {
    right: 0;
    bottom: 4%;
  }

  .features-section {
    margin-bottom: 50px;
    padding: 2.2rem 1.2rem;
    border-radius: 24px;
  }

  .feature-list li {
    align-items: flex-start;
  }

  footer {
    padding: 1.6rem 0;
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}
