:root {
  --deep-navy: #102a43;
  --cloud-blue: #2f80ed;
  --safe-cyan: #56ccf2;
  --cloud-white: #f7fafc;
  --soft-blue-gray: #eaf2f8;
  --secure-green: #27ae60;
  --text-dark: #1f2933;
  --text-muted: #6b7c93;
  --white: #ffffff;
  --line: #d9e7f1;
  --shadow: 0 18px 45px rgba(16, 42, 67, 0.12);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cloud-white);
  color: var(--text-dark);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

body.menu-open {
  overflow: hidden;
}

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

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select {
  font: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 28px;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(247, 250, 252, 0.92);
  border-bottom: 1px solid rgba(217, 231, 241, 0.9);
  backdrop-filter: blur(18px);
}

.brand,
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}

.brand img,
.footer-brand img {
  width: 54px;
  height: 42px;
  object-fit: contain;
}

.brand span {
  color: var(--deep-navy);
  font-size: 1.08rem;
  font-weight: 800;
}

.site-nav {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 3vw, 34px);
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 650;
}

.site-nav a:hover,
.text-link:hover,
.footer-links a:hover,
address a:hover {
  color: var(--cloud-blue);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.text-link {
  color: var(--deep-navy);
  font-weight: 750;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  font-weight: 800;
  line-height: 1;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease, border-color 160ms ease;
}

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

.button-primary {
  background: var(--cloud-blue);
  color: var(--white);
  box-shadow: 0 12px 24px rgba(47, 128, 237, 0.24);
}

.button-primary:hover {
  background: #236fd2;
}

.button-secondary {
  background: var(--white);
  color: var(--deep-navy);
  border-color: var(--line);
}

.button-secondary:hover {
  border-color: var(--cloud-blue);
  box-shadow: 0 12px 24px rgba(16, 42, 67, 0.08);
}

.menu-button {
  display: none;
  width: 44px;
  height: 44px;
  padding: 11px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.menu-button span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--deep-navy);
}

.section-shell {
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(360px, 0.78fr);
  align-items: center;
  gap: clamp(28px, 5vw, 72px);
  min-height: calc(100vh - 76px);
  padding: clamp(44px, 7vw, 92px) 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--cloud-blue);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--deep-navy);
  line-height: 1.08;
}

h1 {
  max-width: 760px;
  font-size: clamp(2.55rem, 6vw, 5.4rem);
}

h2 {
  font-size: clamp(2rem, 4vw, 3.3rem);
}

h3 {
  font-size: 1.08rem;
}

.hero-lead {
  max-width: 660px;
  margin: 22px 0 0;
  color: var(--text-muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
}

.hero-actions,
.trust-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
}

.trust-row {
  gap: 10px;
  margin-top: 24px;
}

.trust-row span {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  padding: 0 12px;
  background: var(--soft-blue-gray);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--deep-navy);
  font-size: 0.88rem;
  font-weight: 750;
}

.vault-preview {
  position: relative;
  padding: 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.vault-preview::before {
  position: absolute;
  inset: -18px -18px auto auto;
  width: 118px;
  height: 118px;
  background: linear-gradient(135deg, rgba(86, 204, 242, 0.3), rgba(47, 128, 237, 0.16));
  border-radius: 50%;
  content: "";
  z-index: -1;
}

.vault-topbar,
.storage-copy,
.file-row,
.upload-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.vault-topbar {
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.vault-topbar strong,
.storage-copy strong,
.file-row strong,
.upload-card strong {
  color: var(--deep-navy);
}

.vault-topbar span,
.storage-copy span,
.file-row span,
.upload-card span {
  display: block;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.secure-pill {
  min-height: 32px;
  padding: 7px 11px;
  background: rgba(39, 174, 96, 0.12);
  border: 1px solid rgba(39, 174, 96, 0.28);
  border-radius: 999px;
  color: var(--secure-green) !important;
  font-weight: 850;
}

.storage-meter {
  margin: 22px 0;
}

.meter-track {
  height: 10px;
  margin-top: 12px;
  overflow: hidden;
  background: var(--soft-blue-gray);
  border-radius: 999px;
}

.meter-track span {
  display: block;
  width: 36%;
  height: 100%;
  background: linear-gradient(90deg, var(--cloud-blue), var(--safe-cyan));
  border-radius: inherit;
}

.file-list {
  display: grid;
  gap: 12px;
}

.file-row {
  justify-content: flex-start;
  min-height: 72px;
  padding: 12px;
  background: var(--cloud-white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.file-icon {
  display: grid;
  place-items: center;
  flex: 0 0 44px;
  width: 44px;
  height: 44px;
  background: rgba(47, 128, 237, 0.12);
  border-radius: 8px;
  color: var(--cloud-blue);
  font-size: 0.72rem;
  font-weight: 900;
}

.file-icon.photo {
  background: rgba(86, 204, 242, 0.18);
  color: #1689b7;
}

.file-icon.doc {
  background: rgba(39, 174, 96, 0.12);
  color: var(--secure-green);
}

.upload-card {
  display: block;
  margin-top: 16px;
  padding: 18px;
  background: var(--deep-navy);
  border-radius: var(--radius);
}

.upload-card span,
.upload-card strong {
  color: var(--white);
}

.upload-card span {
  opacity: 0.74;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.trust-strip article {
  min-height: 150px;
  padding: 24px;
  background: var(--white);
}

.trust-strip strong {
  display: block;
  color: var(--deep-navy);
  font-size: 1.02rem;
}

.trust-strip p,
.feature-grid p,
.security p,
.case-grid p,
.step-grid p,
.section-heading p,
.faq p,
.signup-form p {
  margin: 10px 0 0;
  color: var(--text-muted);
}

.steps,
.security,
.use-cases,
.signup {
  padding: clamp(70px, 10vw, 120px) 0;
}

.section-heading {
  max-width: 740px;
  margin: 0 auto 34px;
  text-align: center;
}

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

.step-grid,
.feature-grid,
.security-grid,
.case-grid,
.plan-grid {
  display: grid;
  gap: 16px;
}

.step-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-grid article,
.feature-grid article,
.security-grid article,
.case-grid article,
.plan-card,
.signup-form,
.faq details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.step-grid article {
  min-height: 210px;
  padding: 28px;
}

.step-grid span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 22px;
  background: var(--deep-navy);
  border-radius: 50%;
  color: var(--white);
  font-weight: 900;
}

.features,
.plans,
.faq {
  padding: clamp(70px, 10vw, 120px) 0;
  background: var(--soft-blue-gray);
}

.feature-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.feature-grid article,
.security-grid article,
.case-grid article {
  min-height: 172px;
  padding: 24px;
}

.security {
  display: grid;
  grid-template-columns: 0.86fr 1fr;
  align-items: start;
  gap: 44px;
}

.security-copy {
  position: sticky;
  top: 104px;
}

.security-copy p {
  margin-bottom: 24px;
  font-size: 1.05rem;
}

.security-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.security-grid article {
  background: var(--deep-navy);
  border-color: rgba(255, 255, 255, 0.08);
}

.security-grid h3,
.security-grid p {
  color: var(--white);
}

.security-grid p {
  opacity: 0.74;
}

.billing-toggle {
  display: flex;
  width: max-content;
  max-width: 100%;
  margin: 0 auto 26px;
  padding: 4px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.billing-toggle button {
  min-width: 118px;
  min-height: 40px;
  background: transparent;
  border: 0;
  border-radius: 6px;
  color: var(--text-muted);
  cursor: pointer;
  font-weight: 850;
}

.billing-toggle button.active {
  background: var(--cloud-blue);
  color: var(--white);
}

.plan-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  align-items: stretch;
}

.plan-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 470px;
  padding: 28px;
}

.plan-card.featured {
  border-color: var(--cloud-blue);
  box-shadow: var(--shadow);
}

.popular-badge {
  position: absolute;
  top: 22px;
  right: 22px;
  min-height: 28px;
  padding: 6px 10px;
  background: rgba(39, 174, 96, 0.12);
  border-radius: 999px;
  color: var(--secure-green);
  font-size: 0.78rem;
  font-weight: 900;
}

.plan-space {
  margin: 12px 0 0;
  color: var(--text-muted);
  font-weight: 800;
}

.price {
  margin: 24px 0 0;
  color: var(--deep-navy);
  font-size: 2.7rem;
  font-weight: 900;
  line-height: 1;
}

.period {
  color: var(--text-muted);
  font-weight: 700;
}

.plan-card ul {
  display: grid;
  gap: 12px;
  margin: 28px 0;
  padding: 0;
  list-style: none;
}

.plan-card li {
  position: relative;
  padding-left: 24px;
  color: var(--text-dark);
}

.plan-card li::before {
  position: absolute;
  top: 0.12em;
  left: 0;
  color: var(--secure-green);
  content: "✓";
  font-weight: 900;
}

.plan-card .button {
  margin-top: auto;
}

.case-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.signup {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 420px);
  align-items: center;
  gap: 36px;
}

.signup h2 {
  max-width: 760px;
}

.signup-form {
  display: grid;
  gap: 14px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.signup-form label {
  display: grid;
  gap: 8px;
  color: var(--deep-navy);
  font-weight: 800;
}

.signup-form input,
.signup-form select {
  width: 100%;
  min-height: 48px;
  padding: 0 12px;
  background: var(--cloud-white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--text-dark);
}

.signup-form p {
  font-size: 0.86rem;
}

.form-honeypot {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.form-status {
  min-height: 1.4em;
  color: var(--text-dark);
  font-weight: 700;
}

.form-status.is-error {
  color: #b42318;
}

.form-status.is-success {
  color: #067647;
}

.faq-list {
  display: grid;
  gap: 12px;
  max-width: 840px;
  margin: 0 auto;
}

.faq details {
  padding: 20px 22px;
}

.faq summary {
  color: var(--deep-navy);
  cursor: pointer;
  font-weight: 850;
}

.site-footer {
  background: var(--deep-navy);
  color: var(--white);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) auto minmax(280px, 0.9fr);
  gap: 32px;
  width: min(1160px, calc(100% - 36px));
  margin: 0 auto;
  padding: 44px 0;
}

.footer-brand img {
  background: var(--white);
}

.footer-brand strong {
  font-size: 1.05rem;
}

.footer-brand p,
address {
  margin: 4px 0 0;
  color: rgba(255, 255, 255, 0.72);
}

.footer-links {
  display: grid;
  gap: 10px;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 750;
}

address {
  font-style: normal;
}

address a {
  color: var(--safe-cyan);
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  .menu-button {
    display: block;
  }

  .site-nav,
  .header-actions {
    display: none;
  }

  .site-header.nav-open .site-nav,
  .site-header.nav-open .header-actions {
    display: flex;
  }

  .site-header.nav-open {
    grid-template-columns: auto auto;
  }

  .site-header.nav-open .site-nav {
    grid-column: 1 / -1;
    flex-direction: column;
    align-items: stretch;
    padding-top: 14px;
  }

  .site-header.nav-open .header-actions {
    grid-column: 1 / -1;
    justify-content: stretch;
  }

  .site-header.nav-open .header-actions .button,
  .site-header.nav-open .header-actions .text-link {
    flex: 1;
    text-align: center;
  }

  .hero,
  .security,
  .signup {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .security-copy {
    position: static;
  }

  .trust-strip,
  .feature-grid,
  .case-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .step-grid,
  .plan-grid,
  .footer-inner {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 66px;
    padding-inline: 14px;
  }

  .section-shell,
  .footer-inner {
    width: min(100% - 28px, 1160px);
  }

  .hero {
    padding-top: 34px;
  }

  h1 {
    font-size: 2.42rem;
  }

  h2 {
    font-size: 1.88rem;
  }

  .hero-actions .button,
  .signup-form .button {
    width: 100%;
  }

  .vault-preview {
    padding: 16px;
  }

  .trust-strip,
  .feature-grid,
  .security-grid,
  .case-grid {
    grid-template-columns: 1fr;
  }

  .trust-strip article,
  .step-grid article,
  .feature-grid article,
  .security-grid article,
  .case-grid article {
    min-height: auto;
  }

  .billing-toggle {
    width: 100%;
  }

  .billing-toggle button {
    flex: 1;
    min-width: 0;
  }

  .plan-card {
    min-height: auto;
  }

  .popular-badge {
    position: static;
    width: max-content;
    margin-bottom: 16px;
  }
}