:root {
  --ink: #07262f;
  --ink-soft: #1d4651;
  --muted: #4f6d76;
  --line: rgba(7, 38, 47, 0.12);
  --surface: rgba(255, 255, 255, 0.72);
  --surface-strong: #f4fafb;
  --teal-900: #063844;
  --teal-700: #0b5a68;
  --teal-500: #12808f;
  --aqua: #2fd2bb;
  --aqua-soft: #8fe9da;
  --sand: #e8f4f2;
  --danger: #b42318;
  --ok: #0f7a5a;
  --radius: 18px;
  --shadow: 0 24px 60px rgba(6, 56, 68, 0.16);
  --font-display: "Sora", sans-serif;
  --font-body: "Source Sans 3", sans-serif;
  --header-h: 72px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.05rem;
  line-height: 1.6;
  background: #edf6f5;
  overflow-x: hidden;
}

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(1000px 520px at 12% -10%, rgba(47, 210, 187, 0.28), transparent 60%),
    radial-gradient(900px 480px at 90% 8%, rgba(11, 90, 104, 0.22), transparent 55%),
    linear-gradient(180deg, #e7f5f3 0%, #f3f8f7 38%, #eef5f4 100%);
}

.page-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(6, 56, 68, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(6, 56, 68, 0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 80%);
}

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

button,
input {
  font: inherit;
}

img {
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  backdrop-filter: blur(14px);
  background: rgba(237, 246, 245, 0.78);
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease, background 0.3s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  background: rgba(244, 250, 251, 0.9);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background:
    radial-gradient(circle at 30% 30%, var(--aqua-soft), transparent 45%),
    linear-gradient(145deg, var(--teal-700), var(--teal-900));
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 9px;
  border: 2px solid var(--aqua);
  border-radius: 50% 50% 45% 45%;
  border-bottom-color: transparent;
}

.brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.03em;
  font-size: 1.15rem;
}

.nav {
  display: flex;
  gap: 1.4rem;
}

.nav a {
  color: var(--ink-soft);
  font-weight: 550;
  position: relative;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -0.35rem;
  width: 100%;
  height: 2px;
  background: var(--aqua);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s ease;
}

.nav a:hover::after,
.nav a:focus-visible::after {
  transform: scaleX(1);
}

.btn {
  appearance: none;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 46px;
  padding: 0.75rem 1.25rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.01em;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease,
    color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(135deg, var(--teal-700), var(--teal-900));
  color: #f4fffc;
  box-shadow: 0 12px 28px rgba(6, 56, 68, 0.22);
}

.btn-primary:hover {
  box-shadow: 0 16px 34px rgba(6, 56, 68, 0.28);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.55);
  color: var(--teal-900);
  border: 1px solid rgba(6, 56, 68, 0.12);
}

.btn-ghost {
  background: transparent;
  color: var(--teal-900);
  border: 1px solid rgba(6, 56, 68, 0.16);
  min-height: 42px;
  padding-inline: 1.1rem;
}

.btn-block {
  width: 100%;
}

.hero {
  min-height: calc(100svh - var(--header-h));
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: clamp(1.5rem, 4vw, 3rem) clamp(1.25rem, 4vw, 3rem) 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(6, 56, 68, 0.92) 0%, rgba(11, 90, 104, 0.78) 42%, rgba(18, 128, 143, 0.35) 70%, transparent 100%),
    radial-gradient(800px 500px at 80% 40%, rgba(47, 210, 187, 0.35), transparent 60%);
  z-index: 0;
  animation: tide 14s ease-in-out infinite alternate;
}

@keyframes tide {
  from {
    filter: saturate(1);
    transform: scale(1);
  }
  to {
    filter: saturate(1.08);
    transform: scale(1.02);
  }
}

.hero-copy,
.hero-visual {
  position: relative;
  z-index: 1;
}

.hero-copy {
  color: #f3fffb;
  max-width: 36rem;
  animation: rise 0.9s ease both;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.brand-lockup {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 6vw, 4.4rem);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 0.95;
  background: linear-gradient(90deg, #ffffff 10%, var(--aqua-soft) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 3.2vw, 2.35rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.hero-lead {
  margin: 1.1rem 0 0;
  max-width: 34rem;
  color: rgba(243, 255, 251, 0.86);
  font-size: 1.12rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.8rem;
}

.hero .btn-primary {
  background: linear-gradient(135deg, var(--aqua), #1fb39d);
  color: var(--teal-900);
  box-shadow: 0 14px 30px rgba(47, 210, 187, 0.28);
}

.hero .btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.28);
  color: #f4fffc;
}

.hero-visual {
  min-height: min(58vh, 520px);
  border-radius: 28px;
  position: relative;
  isolation: isolate;
  animation: rise 1.1s ease 0.12s both;
}

.mesh {
  position: absolute;
  inset: 8%;
  border-radius: 40% 60% 55% 45% / 45% 40% 60% 55%;
  background:
    radial-gradient(circle at 40% 35%, rgba(143, 233, 218, 0.45), transparent 35%),
    radial-gradient(circle at 70% 65%, rgba(47, 210, 187, 0.3), transparent 40%),
    linear-gradient(160deg, rgba(255, 255, 255, 0.14), rgba(6, 56, 68, 0.25));
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(4px);
  animation: morph 10s ease-in-out infinite alternate;
}

@keyframes morph {
  from {
    border-radius: 40% 60% 55% 45% / 45% 40% 60% 55%;
    transform: rotate(-2deg) scale(1);
  }
  to {
    border-radius: 55% 45% 40% 60% / 50% 55% 45% 50%;
    transform: rotate(3deg) scale(1.04);
  }
}

.orbit {
  position: absolute;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 50%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.orbit-a {
  width: 72%;
  height: 72%;
  animation: spin 22s linear infinite;
}

.orbit-b {
  width: 92%;
  height: 92%;
  border-style: dashed;
  animation: spin 34s linear infinite reverse;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

.node {
  position: absolute;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--aqua);
  box-shadow: 0 0 0 8px rgba(47, 210, 187, 0.12);
}

.n1 { top: 18%; left: 28%; }
.n2 { top: 30%; right: 18%; }
.n3 { bottom: 24%; left: 22%; }
.n4 { bottom: 18%; right: 28%; background: #fff; }

.pulse {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #fff;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 0 rgba(47, 210, 187, 0.55);
  animation: pulse 2.4s ease-out infinite;
}

@keyframes pulse {
  70% {
    box-shadow: 0 0 0 42px rgba(47, 210, 187, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(47, 210, 187, 0);
  }
}

.section {
  padding: clamp(4rem, 8vw, 6.5rem) clamp(1.25rem, 4vw, 3rem);
}

.section-head {
  max-width: 42rem;
  margin: 0 auto 2.75rem;
  text-align: center;
}

.section-head.left {
  margin-left: 0;
  text-align: left;
}

.section-head h2,
.cta-band h2,
.approach h2,
.modal-panel h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  letter-spacing: -0.035em;
  line-height: 1.15;
}

.section-head p,
.cta-band p {
  margin: 0.9rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
  max-width: 1120px;
  margin: 0 auto;
}

.service {
  padding: 1.8rem 1.7rem 1.6rem;
  border-top: 2px solid var(--aqua);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(255, 255, 255, 0.45));
}

.service-kicker {
  margin: 0;
  color: var(--teal-500);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.service h3 {
  margin: 0.55rem 0 0.7rem;
  font-family: var(--font-display);
  font-size: 1.55rem;
  letter-spacing: -0.03em;
}

.service p {
  margin: 0;
  color: var(--ink-soft);
}

.service ul {
  margin: 1.2rem 0 1.5rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.service li {
  position: relative;
  padding-left: 1.15rem;
  color: var(--ink-soft);
}

.service li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--aqua);
}

.edge {
  background:
    linear-gradient(180deg, rgba(6, 56, 68, 0.03), transparent 30%),
    linear-gradient(90deg, transparent, rgba(47, 210, 187, 0.08), transparent);
}

.edge-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem 1.1rem;
  max-width: 920px;
  margin: 0 auto 2.5rem;
  color: var(--teal-700);
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.edge-strip span {
  opacity: 0.72;
}

.feature-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
  max-width: 1120px;
  margin: 0 auto;
}

.feature-row h3 {
  margin: 0 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.feature-row p {
  margin: 0;
  color: var(--muted);
}

.approach-panel {
  max-width: 1120px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 2.5rem;
  align-items: start;
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background:
    linear-gradient(135deg, rgba(6, 56, 68, 0.94), rgba(11, 90, 104, 0.9)),
    radial-gradient(500px 280px at 90% 10%, rgba(47, 210, 187, 0.28), transparent 60%);
  color: #f3fffb;
  border-radius: 28px;
}

.approach .section-head p {
  color: rgba(243, 255, 251, 0.78);
}

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1.2rem;
}

.steps li {
  display: grid;
  gap: 0.25rem;
  padding-left: 1.1rem;
  border-left: 2px solid rgba(47, 210, 187, 0.7);
}

.steps strong {
  font-family: var(--font-display);
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.steps span {
  color: rgba(243, 255, 251, 0.78);
}

.cta-band {
  text-align: center;
  max-width: 720px;
  margin: 0 auto;
}

.cta-band .btn {
  margin-top: 1.5rem;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  padding: 2.5rem clamp(1.25rem, 4vw, 3rem) 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.footer-tag {
  margin: 0.15rem 0 0;
  font-size: 0.95rem;
}

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

.footer-meta a {
  color: var(--teal-700);
  font-weight: 600;
}

.footer-meta p {
  margin: 0.35rem 0 0;
  font-size: 0.92rem;
}

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(4, 24, 30, 0.55);
  backdrop-filter: blur(4px);
  animation: fade 0.2s ease;
}

@keyframes fade {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-panel {
  position: relative;
  width: min(100%, 440px);
  padding: 1.7rem 1.5rem 1.4rem;
  border-radius: 22px;
  background: linear-gradient(180deg, #fbfffe, #f1f8f7);
  box-shadow: var(--shadow);
  animation: pop 0.28s ease;
}

@keyframes pop {
  from {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal-close {
  position: absolute;
  top: 0.7rem;
  right: 0.85rem;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
}

.modal-lead {
  margin: 0.55rem 0 1.2rem;
  color: var(--muted);
}

.modal-panel form {
  display: grid;
  gap: 0.9rem;
}

.modal-panel label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.modal-panel input {
  width: 100%;
  min-height: 46px;
  padding: 0.7rem 0.9rem;
  border-radius: 12px;
  border: 1px solid rgba(6, 56, 68, 0.16);
  background: #fff;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.modal-panel input:focus {
  border-color: var(--teal-500);
  box-shadow: 0 0 0 3px rgba(47, 210, 187, 0.22);
}

.form-error,
.form-success {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.4;
}

.form-error {
  color: var(--danger);
}

.form-success {
  color: var(--ok);
}

.linkish {
  margin-top: 1rem;
  border: 0;
  background: transparent;
  color: var(--teal-700);
  font-weight: 600;
  cursor: pointer;
  padding: 0;
}

.choice-grid {
  display: grid;
  gap: 0.75rem;
}

.choice {
  text-align: left;
  border: 1px solid rgba(6, 56, 68, 0.12);
  background: #fff;
  border-radius: 16px;
  padding: 1rem 1.05rem;
  cursor: pointer;
  transition: border-color 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}

.choice:hover {
  border-color: var(--teal-500);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(6, 56, 68, 0.08);
}

.choice-title {
  display: block;
  font-family: var(--font-display);
  font-weight: 650;
  letter-spacing: -0.02em;
  margin-bottom: 0.2rem;
}

.choice-text {
  display: block;
  color: var(--muted);
  font-size: 0.95rem;
}

body.modal-open {
  overflow: hidden;
}

@media (max-width: 960px) {
  .nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 2rem;
  }

  .hero-visual {
    min-height: 280px;
    order: -1;
  }

  .brand-lockup {
    font-size: clamp(2.2rem, 10vw, 3.4rem);
  }

  .service-grid,
  .feature-row,
  .approach-panel {
    grid-template-columns: 1fr;
  }

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

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}