:root {
  --ink: #142826;
  --ink-soft: #3a524e;
  --teal: #0f6f68;
  --teal-deep: #0a4f4a;
  --teal-bright: #1a8f86;
  --mist: #e7f2ef;
  --foam: #f4faf8;
  --line: rgba(20, 40, 38, 0.12);
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(10, 55, 50, 0.18);
  --radius: 18px;
  --font-display: "Syne", "Segoe UI", sans-serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
  --shell: min(1120px, calc(100% - 2.5rem));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(26, 143, 134, 0.18), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(15, 111, 104, 0.12), transparent 55%),
    linear-gradient(180deg, #f7fbfa 0%, #eef6f3 42%, #f8fbfa 100%);
  min-height: 100vh;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--teal-deep);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--teal);
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  background: var(--ink);
  color: var(--white);
  padding: 0.6rem 0.9rem;
  z-index: 100;
  border-radius: 8px;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(14px);
  background: rgba(247, 251, 250, 0.82);
  border-bottom: 1px solid transparent;
  transition: border-color 0.25s ease, background 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(247, 251, 250, 0.94);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  gap: 1rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink);
}

.brand-mark {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 0.35rem;
  background:
    linear-gradient(145deg, var(--teal-bright), var(--teal-deep));
  box-shadow: inset 0 0 0 2px rgba(255, 255, 255, 0.25);
}

.brand-name,
.brand-lockup {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
}

.brand-name {
  font-size: 1.15rem;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.35rem;
}

.nav a {
  text-decoration: none;
  color: var(--ink-soft);
  font-weight: 500;
  font-size: 0.98rem;
}

.nav a:hover {
  color: var(--ink);
}

.nav-cta {
  color: var(--white) !important;
  background: var(--teal);
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover {
  background: var(--teal-deep);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.7);
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 1.1rem;
  height: 2px;
  margin: 0.28rem auto;
  background: var(--ink);
}

.nav-mobile {
  display: grid;
  gap: 0.35rem;
  padding: 0.5rem 1.25rem 1rem;
  border-top: 1px solid var(--line);
  background: rgba(247, 251, 250, 0.98);
}

.nav-mobile[hidden] {
  display: none !important;
}

.nav-mobile a {
  text-decoration: none;
  color: var(--ink);
  font-weight: 600;
  padding: 0.7rem 0.35rem;
}

.hero {
  position: relative;
  overflow: clip;
  padding: 2.5rem 0 0;
}

.hero-atmosphere {
  position: absolute;
  inset: 0 0 35% 0;
  background:
    radial-gradient(ellipse 80% 55% at 50% 0%, rgba(26, 143, 134, 0.22), transparent 70%),
    linear-gradient(180deg, rgba(231, 242, 239, 0.9), transparent);
  pointer-events: none;
}

.hero-copy {
  position: relative;
  text-align: center;
  max-width: 46rem;
  margin-inline: auto;
  padding-bottom: 2rem;
}

.brand-lockup {
  margin: 0 0 0.85rem;
  font-size: clamp(2.4rem, 7vw, 4.4rem);
  line-height: 0.95;
  color: var(--teal-deep);
  animation: rise 0.8s ease both;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.6vw, 2.35rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  animation: rise 0.8s ease 0.08s both;
}

.hero-lead {
  margin: 1rem auto 0;
  max-width: 36rem;
  color: var(--ink-soft);
  font-size: 1.125rem;
  animation: rise 0.8s ease 0.16s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.75rem;
  margin-top: 1.6rem;
  animation: rise 0.8s ease 0.24s both;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--teal);
  color: var(--white);
}

.btn-primary:hover {
  background: var(--teal-deep);
  color: var(--white);
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.55);
  border-color: var(--line);
  color: var(--ink);
}

.btn-ghost:hover {
  background: var(--white);
  color: var(--ink);
}

.hero-visual {
  position: relative;
  width: min(1180px, 100%);
  margin: 0.5rem auto 0;
  padding: 0 0.75rem;
  animation: float-in 1s ease 0.2s both;
}

.hero-visual img {
  width: 100%;
  border-radius: 18px 18px 0 0;
  box-shadow: var(--shadow);
  border: 1px solid rgba(255, 255, 255, 0.65);
  border-bottom: 0;
  transform: translateY(0);
  animation: gentle-float 7s ease-in-out infinite;
}

.section {
  padding: 5rem 0;
}

.section h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.2vw, 2.35rem);
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.section-lead {
  margin: 0.9rem 0 0;
  max-width: 40rem;
  color: var(--ink-soft);
  font-size: 1.1rem;
}

.section-practice .shell,
.section-features .shell,
.section-flow .shell {
  display: grid;
  gap: 1.75rem;
}

.audience-list,
.feature-list,
.flow-list,
.trust-points {
  list-style: none;
  margin: 0;
  padding: 0;
}

.audience-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem 2rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--line);
}

.audience-list li {
  display: grid;
  gap: 0.45rem;
}

.audience-list strong {
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.audience-list span {
  color: var(--ink-soft);
}

.feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
}

.feature-list li {
  padding: 1.4rem 1.25rem 1.4rem 0;
  border-bottom: 1px solid var(--line);
}

.feature-list li:nth-child(odd) {
  padding-right: 1.75rem;
  border-right: 1px solid var(--line);
}

.feature-list li:nth-child(even) {
  padding-left: 1.75rem;
}

.feature-list h3,
.flow-list h3 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  letter-spacing: -0.02em;
}

.feature-list p,
.flow-list p {
  margin: 0;
  color: var(--ink-soft);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 0.5rem;
}

.flow-list li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.9rem;
  align-items: start;
}

.flow-step {
  display: inline-grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--mist);
  color: var(--teal-deep);
  font-family: var(--font-display);
  font-weight: 700;
}

.section-trust {
  background:
    linear-gradient(180deg, rgba(15, 111, 104, 0.08), rgba(15, 111, 104, 0.03));
  border-block: 1px solid rgba(15, 111, 104, 0.12);
}

.trust-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2.5rem;
  align-items: end;
}

.trust-points {
  display: grid;
  gap: 0.85rem;
}

.trust-points li {
  padding-left: 1.2rem;
  position: relative;
  color: var(--ink-soft);
}

.trust-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--teal);
}

.section-access {
  padding-bottom: 6rem;
}

.access-panel {
  max-width: 34rem;
}

.access-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.field {
  display: grid;
  gap: 0.4rem;
}

.field label {
  font-weight: 600;
  font-size: 0.95rem;
}

.optional {
  font-weight: 400;
  color: var(--ink-soft);
}

.field input {
  width: 100%;
  min-height: 3rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.95rem;
  font: inherit;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.85);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.field input:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 111, 104, 0.15);
}

.access-form .btn {
  width: fit-content;
}

.form-note,
.form-status {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.form-status.is-success {
  color: var(--teal-deep);
  font-weight: 600;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 2.5rem 0 2rem;
  background: rgba(255, 255, 255, 0.45);
}

.footer-inner {
  display: grid;
  gap: 1.25rem;
}

.footer-brand {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.footer-brand strong {
  font-family: var(--font-display);
  font-size: 1.05rem;
}

.footer-brand p,
.footer-copy {
  margin: 0.2rem 0 0;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.35rem;
}

.footer-links a {
  text-decoration: none;
  font-weight: 600;
}

.reveal {
  opacity: 1;
  transform: translateY(14px);
  transition: transform 0.7s ease;
}

.reveal.is-visible {
  transform: none;
}

@keyframes rise {
  from {
    transform: translateY(14px);
  }
  to {
    transform: none;
  }
}

@keyframes float-in {
  from {
    transform: translateY(22px);
  }
  to {
    transform: none;
  }
}

@keyframes gentle-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

@media (max-width: 900px) {
  .audience-list,
  .flow-list,
  .trust-grid {
    grid-template-columns: 1fr;
  }

  .feature-list {
    grid-template-columns: 1fr;
  }

  .feature-list li,
  .feature-list li:nth-child(odd),
  .feature-list li:nth-child(even) {
    padding: 1.25rem 0;
    border-right: 0;
  }
}

@media (max-width: 760px) {
  :root {
    --shell: min(1120px, calc(100% - 1.5rem));
  }

  .nav {
    display: none;
  }

  .nav-toggle {
    display: inline-block;
  }

  .hero {
    padding-top: 1.25rem;
  }

  .brand-lockup {
    font-size: clamp(2.1rem, 11vw, 3rem);
    margin-bottom: 0.55rem;
  }

  .hero h1 {
    font-size: clamp(1.35rem, 5.5vw, 1.75rem);
  }

  .hero-lead {
    margin-top: 0.75rem;
    font-size: 1.02rem;
  }

  .hero-copy {
    padding-bottom: 1.15rem;
  }

  .hero-actions {
    margin-top: 1.15rem;
    flex-direction: column;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-visual {
    padding-inline: 0;
  }

  .hero-visual img {
    border-radius: 14px 14px 0 0;
    animation: none;
  }

  .section {
    padding: 3.75rem 0;
  }

  .access-form .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .brand-lockup,
  .hero h1,
  .hero-lead,
  .hero-actions,
  .hero-visual,
  .hero-visual img,
  .reveal {
    animation: none !important;
    transition: none !important;
    opacity: 1 !important;
    transform: none !important;
  }
}
