:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2.35rem, 1.25rem + 4vw, 5.25rem);

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  --font-display: "Cabinet Grotesk", "Satoshi", sans-serif;
  --font-body: "Satoshi", "Inter", sans-serif;
  --radius-sm: 0.375rem;
  --radius-md: 0.625rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --radius-full: 999px;
  --content-wide: 1180px;
  --content-default: 980px;
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

:root,
[data-theme="dark"] {
  --color-bg: #07111f;
  --color-surface: #0d1a2a;
  --color-surface-2: #122438;
  --color-surface-3: #172f45;
  --color-text: #f5f0e7;
  --color-text-muted: #b9c2c8;
  --color-text-faint: #748392;
  --color-border: rgba(245, 240, 231, 0.13);
  --color-primary: #f27702;
  --color-primary-hover: #5dcbd1;
  --color-primary-text: #041219;
  --color-accent: #c8843e;
  --color-success: #7ad79b;
  --color-warning: #f4b66d;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 16px 50px rgba(0, 0, 0, 0.28);
  --shadow-lg: 0 26px 90px rgba(0, 0, 0, 0.38);
  color-scheme: dark;
}

[data-theme="light"] {
  --color-bg: #f7f3ea;
  --color-surface: #fffaf1;
  --color-surface-2: #ede6d9;
  --color-surface-3: #e3dacb;
  --color-text: #0b1724;
  --color-text-muted: #4e5b66;
  --color-text-faint: #7b8790;
  --color-border: rgba(11, 23, 36, 0.14);
  --color-primary: #3B68C0;
  --color-primary-hover: #2c5ec0;
  --color-primary-text: #ffffff;
  --color-accent: #a9672b;
  --color-success: #237b47;
  --color-warning: #9b5a1c;
  --shadow-sm: 0 1px 2px rgba(36, 27, 16, 0.08);
  --shadow-md: 0 16px 48px rgba(36, 27, 16, 0.12);
  --shadow-lg: 0 26px 90px rgba(36, 27, 16, 0.18);
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -moz-text-size-adjust: none;
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
  scroll-padding-top: var(--space-20);
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-text);
  background:
    radial-gradient(circle at 15% 0%, rgba(108, 145, 218, 0.28), transparent 34rem),
    radial-gradient(circle at 80% 8%, rgba(225, 225, 225, 1), transparent 30rem),
    var(--color-bg);
}

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

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

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: 0;
}

h1,
h2,
h3 {
  font-family: var(--font-display);
  line-height: 1;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

p {
  color: var(--color-text-muted);
  text-wrap: pretty;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 4px;
}

.skip-link {
  position: absolute;
  left: var(--space-4);
  top: var(--space-4);
  z-index: 100;
  transform: translateY(-180%);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-primary-text);
  font-weight: 700;
}

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

.container {
  width: min(100% - 2rem, var(--content-wide));
  margin-inline: auto;
}

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in oklab, var(--color-bg) 84%, transparent);
  backdrop-filter: blur(20px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 76px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  color: var(--color-primary);
  filter: drop-shadow(0 0 28px rgba(108, 145, 218, 0.28));
}

.brand-mark path:first-child {
  fill: color-mix(in oklab, var(--color-primary) 16%, transparent);
  stroke: currentColor;
  stroke-width: 2;
}

.brand-mark path:last-child {
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 3.2;
}

.brand span {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-1);
}

.brand strong {
  font-weight: 900;
}

.brand em {
  color: var(--color-primary);
  font-style: normal;
  font-weight: 700;
  text-transform: uppercase;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 500;
}

.desktop-nav a:hover,
.login-link:hover,
.footer-links a:hover {
  color: var(--color-primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text);
}

.theme-toggle svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.login-link {
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 700;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: var(--space-3) var(--space-5);
  border: 1px solid transparent;
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 800;
  line-height: 1;
  text-align: center;
}

.button-primary {
  background: var(--color-primary);
  color: var(--color-primary-text);
  box-shadow: 0 14px 38px color-mix(in oklab, var(--color-primary) 28%, transparent);
}

.button-primary:hover {
  background: var(--color-primary-hover);
  transform: translateY(-1px);
  color: #ffffff;
  text-decoration: none;
}

.button-secondary,
.button-outline {
  border-color: var(--color-border);
  background: color-mix(in oklab, var(--color-surface) 72%, transparent);
  color: var(--color-text);
}

.button-secondary:hover,
.button-outline:hover {
  border-color: color-mix(in oklab, var(--color-primary) 60%, var(--color-border));
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
}

.menu-toggle span {
  grid-area: 1 / 1;
  width: 18px;
  height: 2px;
  background: var(--color-text);
  transition:
    transform var(--transition-interactive),
    opacity var(--transition-interactive);
}

.menu-toggle span:first-child {
  transform: translateY(-4px);
}

.menu-toggle span:last-child {
  transform: translateY(4px);
}

.menu-open .menu-toggle span:first-child {
  transform: rotate(45deg);
}

.menu-open .menu-toggle span:last-child {
  transform: rotate(-45deg);
}

.mobile-nav {
  display: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(var(--space-16), 9vw, var(--space-32));
}

.hero::before {
  position: absolute;
  inset: 12% -10% auto auto;
  width: min(36rem, 70vw);
  height: min(36rem, 70vw);
  content: "";
  background: conic-gradient(from 140deg, transparent, rgba(108, 145, 218, 0.22), rgba(200, 132, 62, 0.14), transparent);
  border-radius: 50%;
  filter: blur(26px);
  opacity: 0.9;
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.78fr);
  align-items: center;
  gap: clamp(var(--space-10), 7vw, var(--space-24));
}

.eyebrow {
  margin-bottom: var(--space-4);
  color: var(--color-primary);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 11ch;
  font-size: var(--text-2xl);
}

.hero-lede {
  max-width: 64ch;
  margin-top: var(--space-6);
  font-size: var(--text-lg);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
  list-style: none;
}

.proof-row li {
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  color: var(--color-text-muted);
  font-size: var(--text-xs);
  font-weight: 700;
}

.hero-visual {
  justify-self: end;
  width: min(100%, 460px);
}

.inbox-card {
  position: relative;
  overflow: hidden;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  background:
    linear-gradient(150deg, color-mix(in oklab, var(--color-surface) 92%, transparent), color-mix(in oklab, var(--color-surface-2) 88%, transparent)),
    radial-gradient(circle at top right, rgba(35, 169, 179, 0.18), transparent 18rem);
  box-shadow: var(--shadow-lg);
}

.inbox-topbar {
  display: flex;
  gap: var(--space-2);
  padding-bottom: var(--space-5);
}

.inbox-topbar span {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  background: var(--color-border);
}

.inbox-status {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: color-mix(in oklab, var(--color-bg) 26%, transparent);
}

.inbox-status strong {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  line-height: 1;
  letter-spacing: -0.04em;
}

.sender-list {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.sender {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-3);
  align-items: start;
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: color-mix(in oklab, var(--color-bg) 20%, transparent);
}

.sender-icon {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: var(--radius-full);
  font-weight: 900;
}

.approved .sender-icon {
  background: color-mix(in oklab, var(--color-success) 18%, transparent);
  color: var(--color-success);
}

.blocked .sender-icon {
  background: color-mix(in oklab, var(--color-warning) 20%, transparent);
  color: var(--color-warning);
}

.sender strong {
  display: block;
  font-size: var(--text-sm);
}

.sender p {
  font-size: var(--text-xs);
}

.risk-meter {
  margin-top: var(--space-5);
  font-size: var(--text-xs);
  font-weight: 800;
}

.meter {
  overflow: hidden;
  height: 10px;
  margin-top: var(--space-2);
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-text) 10%, transparent);
}

.meter i {
  display: block;
  width: 82%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.two-column,
.security-layout,
.faq-layout,
.contact-card {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.1fr);
  gap: clamp(var(--space-8), 7vw, var(--space-20));
}

.section-intro h2,
.section-heading h2,
.contact-card h2 {
  max-width: 14ch;
  font-size: var(--text-xl);
}

.section-heading {
  max-width: 720px;
  margin-bottom: var(--space-10);
}

.section-heading p,
.problem-copy p,
.contact-card p {
  margin-top: var(--space-4);
}

.problem-section {
  border-block: 1px solid var(--color-border);
  background: color-mix(in oklab, var(--color-surface) 46%, transparent);
}

.steps-grid,
.pricing-grid,
.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.step-card,
.security-card,
.use-case,
.pricing-card,
.trust-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  background: color-mix(in oklab, var(--color-surface) 78%, transparent);
  box-shadow: var(--shadow-sm);
}

.step-card {
  padding: var(--space-6);
}

.step-number,
.plan-label {
  color: var(--color-accent);
  font-size: var(--text-xs);
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.step-card h3,
.security-card h3,
.use-case h3,
.pricing-card h3 {
  margin-top: var(--space-5);
  font-size: var(--text-lg);
}

.step-card p,
.security-card p,
.use-case p,
.pricing-card p {
  margin-top: var(--space-3);
}

.dark-panel {
  color: #f5f0e7;
  background:
    linear-gradient(160deg, rgba(2, 8, 15, 0.86), rgba(9, 27, 42, 0.92)),
    radial-gradient(circle at 86% 8%, rgba(35, 169, 179, 0.18), transparent 28rem);
}

.security-grid,
.use-case-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.security-card {
  padding: var(--space-5);
}

.icon {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: var(--radius-full);
  background: color-mix(in oklab, var(--color-primary) 16%, transparent);
  color: var(--color-primary);
  font-size: var(--text-lg);
}

.use-case {
  min-height: 210px;
  padding: var(--space-6);
}

.trust-strip {
  padding-block: var(--space-10);
  border-block: 1px solid var(--color-border);
}

.trust-item {
  padding: var(--space-5);
}

.trust-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  letter-spacing: -0.03em;
}

.trust-item span {
  display: block;
  margin-top: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.pricing-card {
  display: flex;
  flex-direction: column;
  padding: var(--space-6);
}

.pricing-card.featured {
  position: relative;
  border-color: color-mix(in oklab, var(--color-primary) 64%, var(--color-border));
  background:
    linear-gradient(160deg, color-mix(in oklab, var(--color-primary) 14%, var(--color-surface)), var(--color-surface)),
    var(--color-surface);
  box-shadow: var(--shadow-md);
}

.price {
  margin-top: var(--space-4);
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  letter-spacing: -0.04em;
}

.price span {
  color: var(--color-text-muted);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0;
}

.pricing-card ul {
  display: grid;
  gap: var(--space-2);
  margin-block: var(--space-6);
  color: var(--color-text-muted);
  list-style: none;
}

.pricing-card li {
  position: relative;
  padding-left: var(--space-5);
}

.pricing-card li::before {
  position: absolute;
  left: 0;
  color: var(--color-primary);
  content: "✓";
  font-weight: 900;
}

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

.faq-list {
  display: grid;
  gap: var(--space-3);
}

details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: color-mix(in oklab, var(--color-surface) 78%, transparent);
}

summary {
  cursor: pointer;
  padding: var(--space-5);
  font-weight: 900;
  list-style: none;
}

summary::-webkit-details-marker {
  display: none;
}

details p {
  padding: 0 var(--space-5) var(--space-5);
}

.contact-section {
  padding-top: 0;
}

.contact-card {
  align-items: start;
  padding: clamp(var(--space-6), 5vw, var(--space-12));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-2xl);
  background:
    linear-gradient(145deg, color-mix(in oklab, var(--color-surface) 90%, transparent), color-mix(in oklab, var(--color-surface-2) 78%, transparent)),
    radial-gradient(circle at top right, color-mix(in oklab, var(--color-primary) 12%, transparent), transparent 24rem);
  box-shadow: var(--shadow-md);
}

.contact-form {
  display: grid;
  gap: var(--space-4);
}

/*add control form contact*/
.contact-form .form-group {
  padding-bottom: 8px;
}

.contact-form .validate {
  display: none;
  color: red;
  margin: 0 0 15px 0;
  font-weight: 400;
  font-size: 13px;
}
.contact-form .error-message {
  display: none;
  color: #fff;
  background: #ed3c0d;
  text-align: center;
  padding: 15px;
  font-weight: 600;
}

.contact-form .sent-message {
  display: none;
  color: #fff;
  background: #18d26e;
  text-align: center;
  padding: 15px;
  font-weight: 600;
}

.contact-form .loading {
  display: none;
  background: #fff;
  text-align: center;
  padding: 15px;
}

.contact-form .loading:before {
  content: "";
  display: inline-block;
  border-radius: 50%;
  width: 24px;
  height: 24px;
  margin: 0 10px -6px 0;
  border: 3px solid #18d26e;
  border-top-color: #eee;
  -webkit-animation: animate-loading 1s linear infinite;
  animation: animate-loading 1s linear infinite;
}

/*End add control form contact*/

.contact-form label {
  display: grid;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 800;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: color-mix(in oklab, var(--color-bg) 40%, transparent);
  color: var(--color-text);
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

.site-footer {
  padding-block: var(--space-10);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-8);
  align-items: start;
}

.footer-brand {
  margin-bottom: var(--space-4);
}

.footer-links {
  display: grid;
  gap: var(--space-3);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  font-weight: 700;
}

.mobile-sticky-cta {
  position: fixed;
  right: var(--space-4);
  bottom: var(--space-4);
  z-index: 45;
  display: none;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-full);
  background: var(--color-primary);
  color: var(--color-primary-text);
  font-size: var(--text-sm);
  font-weight: 900;
  box-shadow: var(--shadow-md);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
    transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .desktop-nav,
  .login-link,
  .header-cta {
    display: none;
  }

  .menu-toggle {
    display: grid;
  }

  .mobile-nav {
    display: grid;
    max-height: 0;
    overflow: hidden;
    border-top: 1px solid transparent;
    transition: max-height 240ms ease;
  }

  .menu-open .mobile-nav {
    max-height: 440px;
    border-top-color: var(--color-border);
  }

  .mobile-nav a {
    min-height: 48px;
    padding: var(--space-3) var(--space-4);
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-weight: 800;
  }

  .hero-grid,
  .two-column,
  .security-layout,
  .faq-layout,
  .contact-card,
  .footer-grid {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    max-width: 12ch;
  }

  .hero-visual {
    justify-self: stretch;
    width: 100%;
  }

  .steps-grid,
  .pricing-grid,
  .trust-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 1.25rem, var(--content-wide));
  }

  .header-inner {
    min-height: 68px;
  }

  .brand span {
    display: none;
  }

  .hero {
    padding-top: var(--space-12);
  }

  .hero h1 {
    max-width: 11ch;
  }

  .hero-actions,
  .proof-row {
    flex-direction: column;
  }

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

  .security-grid,
  .use-case-grid {
    grid-template-columns: 1fr;
  }

  .use-case {
    min-height: auto;
  }

  .mobile-sticky-cta {
    display: inline-flex;
  }

  .site-footer {
    padding-bottom: var(--space-24);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}