:root {
  --stof-surface: #101415;
  --stof-surface-deep: #0f172a;
  --stof-surface-lowest: #0b0f10;
  --stof-surface-low: #191c1e;
  --stof-surface-container: #1d2022;
  --stof-surface-soft: #1e293b;
  --stof-surface-high: #272a2c;
  --stof-surface-highest: #323537;
  --stof-text: #e0e3e5;
  --stof-muted: #c3c6d7;
  --stof-outline: #8d90a0;
  --stof-outline-variant: #434655;
  --stof-primary: #b4c5ff;
  --stof-primary-container: #2563eb;
  --stof-primary-hover: #0053db;
  --stof-on-primary: #eeefff;
  --stof-secondary: #5de6ff;
  --stof-secondary-container: #00cbe6;
  --stof-border: rgba(255, 255, 255, 0.1);
  --stof-glow: rgba(34, 211, 238, 0.15);
  --stof-error: #ffb4ab;
  --stof-error-bg: rgba(147, 0, 10, 0.28);
  --stof-container: 1280px;
  --stof-radius-sm: 8px;
  --stof-radius: 16px;
  --stof-radius-lg: 24px;
  --stof-shadow: 0 20px 40px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.stof-theme {
  margin: 0;
  background:
    radial-gradient(circle at 20% 10%, rgba(37, 99, 235, 0.16), transparent 34rem),
    radial-gradient(circle at 78% 24%, rgba(0, 203, 230, 0.1), transparent 32rem),
    var(--stof-surface-deep);
  color: var(--stof-text);
  font-family: "Geist", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  overflow-x: hidden;
}

body.stof-theme a {
  color: inherit;
}

body.stof-theme img {
  max-width: 100%;
  height: auto;
}

.screen-reader-text {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.stof-site {
  min-height: 100vh;
  color: var(--stof-text);
}

.stof-container {
  width: min(100% - 32px, var(--stof-container));
  margin: 0 auto;
}

.stof-section {
  padding: 96px 0;
}

.glass-panel,
.stof-card,
.stof-success-card,
.stof-registration-form {
  background: rgba(30, 41, 59, 0.6);
  border: 1px solid var(--stof-border);
  box-shadow: var(--stof-shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.stof-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 50;
  background: rgba(16, 20, 21, 0.82);
  border-bottom: 1px solid var(--stof-border);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.stof-nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 80px;
  gap: 24px;
}

.stof-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--stof-text);
  font-size: 24px;
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}

.stof-brand img {
  width: 120px;
  height: 36px;
  object-fit: contain;
}

.stof-nav-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 28px;
}

.stof-nav-links a,
.stof-footer-links a,
.stof-back-link {
  color: var(--stof-muted);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: color 180ms ease, transform 180ms ease;
}

.stof-nav-links a:hover,
.stof-nav-links a.is-active,
.stof-footer-links a:hover,
.stof-back-link:hover {
  color: var(--stof-secondary);
}

.stof-nav-links a.is-active {
  color: var(--stof-primary);
}

.stof-menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--stof-border);
  border-radius: var(--stof-radius-sm);
  background: rgba(30, 41, 59, 0.65);
  color: var(--stof-text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.stof-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 24px;
  border-radius: var(--stof-radius-sm);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  line-height: 1;
  text-decoration: none;
  cursor: pointer;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.stof-button:hover {
  transform: translateY(-2px);
}

.stof-button-primary {
  background: linear-gradient(180deg, #2f70ff 0%, var(--stof-primary-container) 100%);
  color: var(--stof-on-primary);
  box-shadow: 0 12px 28px rgba(37, 99, 235, 0.35);
}

.stof-button-primary:hover {
  background: linear-gradient(180deg, #2563eb 0%, var(--stof-primary-hover) 100%);
  color: var(--stof-on-primary);
}

.stof-button-secondary {
  background: rgba(30, 41, 59, 0.55);
  border-color: var(--stof-border);
  color: var(--stof-text);
}

.stof-button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(30, 41, 59, 0.88);
}

.stof-main {
  padding-top: 80px;
}

.stof-hero {
  position: relative;
  padding-top: 112px;
}

.stof-hero::before {
  content: "";
  position: absolute;
  inset: 8% auto auto 50%;
  width: min(820px, 80vw);
  aspect-ratio: 1;
  transform: translateX(-50%);
  border-radius: 999px;
  background: var(--stof-glow);
  filter: blur(100px);
  pointer-events: none;
}

.stof-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
  gap: 64px;
  align-items: center;
}

.stof-hero-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 28px;
}

.stof-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border: 1px solid rgba(93, 230, 255, 0.3);
  border-radius: 999px;
  background: rgba(93, 230, 255, 0.1);
  color: var(--stof-secondary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.stof-badge .material-symbols-outlined {
  font-size: 17px;
}

.stof-hero h1 {
  margin: 0;
  max-width: 740px;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.04;
  letter-spacing: 0;
  font-weight: 700;
}

.stof-gradient-text {
  color: transparent;
  background: linear-gradient(90deg, var(--stof-primary), var(--stof-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  text-shadow: 0 0 18px rgba(93, 230, 255, 0.25);
}

.stof-hero p {
  max-width: 620px;
  margin: 0;
  color: var(--stof-muted);
  font-size: 18px;
  line-height: 1.6;
}

.stof-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 8px;
}

.stof-hero-visual {
  position: relative;
  min-height: 440px;
  overflow: hidden;
  border-radius: var(--stof-radius-lg);
}

.stof-hero-visual img {
  width: 100%;
  height: 100%;
  min-height: 440px;
  object-fit: cover;
  opacity: 0.84;
  mix-blend-mode: screen;
}

.stof-ai-card {
  position: absolute;
  top: 20px;
  right: 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(93, 230, 255, 0.3);
  border-radius: var(--stof-radius-sm);
  background: rgba(15, 23, 42, 0.82);
  backdrop-filter: blur(12px);
}

.stof-ai-card .material-symbols-outlined {
  display: inline-flex;
  width: 36px;
  height: 36px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(93, 230, 255, 0.16);
  color: var(--stof-secondary);
  font-size: 20px;
}

.stof-ai-card small {
  display: block;
  color: var(--stof-muted);
  font-size: 12px;
}

.stof-ai-card strong {
  color: var(--stof-secondary);
  font-size: 14px;
}

.stof-bento {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.stof-card {
  min-height: 240px;
  padding: 32px;
  border-radius: var(--stof-radius);
  transition: transform 220ms ease, border-color 220ms ease, background 220ms ease;
}

.stof-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
  background: rgba(30, 41, 59, 0.75);
}

.stof-card-wide {
  grid-column: span 2;
}

.stof-icon,
.stof-benefits .material-symbols-outlined {
  display: inline-flex;
  width: 48px;
  height: 48px;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  border: 1px solid var(--stof-border);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.82);
  color: var(--stof-secondary);
  font-size: 26px;
}

.stof-card h2,
.stof-benefits h3,
.stof-steps h3 {
  margin: 0 0 10px;
  color: var(--stof-text);
  font-size: 24px;
  line-height: 1.25;
}

.stof-card p,
.stof-benefits p,
.stof-steps p,
.stof-section-heading p,
.stof-faq p {
  margin: 0;
  color: var(--stof-muted);
}

.stof-section-heading {
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}

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

.stof-section-heading span {
  display: inline-block;
  margin-bottom: 10px;
  color: var(--stof-secondary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.stof-section-heading h2,
.stof-final-cta h2 {
  margin: 0 0 16px;
  color: var(--stof-text);
  font-size: clamp(30px, 3.8vw, 46px);
  line-height: 1.12;
  letter-spacing: 0;
}

.stof-steps,
.stof-benefits {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.stof-steps article,
.stof-benefits article,
.stof-faq details {
  padding: 28px;
  border: 1px solid var(--stof-border);
  border-radius: var(--stof-radius);
  background: rgba(25, 28, 30, 0.74);
}

.stof-steps strong {
  display: inline-flex;
  margin-bottom: 22px;
  color: var(--stof-secondary);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.stof-split {
  background: linear-gradient(180deg, rgba(25, 28, 30, 0.26), rgba(25, 28, 30, 0));
}

.stof-split-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  gap: 48px;
  align-items: center;
}

.stof-check-list {
  display: grid;
  gap: 14px;
}

.stof-check-list div {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  border: 1px solid var(--stof-border);
  border-radius: var(--stof-radius-sm);
  background: rgba(30, 41, 59, 0.54);
  color: var(--stof-text);
  font-weight: 500;
}

.stof-check-list .material-symbols-outlined {
  color: var(--stof-secondary);
  font-variation-settings: "FILL" 1;
}

.stof-faq-wrap {
  max-width: 920px;
}

.stof-faq {
  display: grid;
  gap: 14px;
}

.stof-faq summary {
  color: var(--stof-text);
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
}

.stof-faq p {
  padding-top: 14px;
}

.stof-final-cta {
  margin-top: 40px;
  padding: 36px;
  border: 1px solid rgba(93, 230, 255, 0.2);
  border-radius: var(--stof-radius-lg);
  background:
    radial-gradient(circle at 80% 10%, rgba(93, 230, 255, 0.15), transparent 24rem),
    rgba(30, 41, 59, 0.56);
  text-align: center;
}

.stof-footer {
  border-top: 1px solid var(--stof-border);
  background: var(--stof-surface-lowest);
  padding: 48px 0;
}

.stof-footer-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 24px;
  align-items: center;
}

.stof-footer-brand p,
.stof-copyright {
  margin: 12px 0 0;
  color: var(--stof-muted);
}

.stof-footer .stof-brand img {
  filter: grayscale(1);
  opacity: 0.82;
  transition: opacity 180ms ease, filter 180ms ease;
}

.stof-footer .stof-brand:hover img {
  filter: none;
  opacity: 1;
}

.stof-footer-links {
  display: flex;
  gap: 24px;
}

.stof-copyright {
  justify-self: end;
  text-align: right;
}

.stof-minimal-header {
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid var(--stof-border);
  background: rgba(15, 23, 42, 0.86);
  backdrop-filter: blur(16px);
}

.stof-minimal-header-inner {
  display: grid;
  min-height: 80px;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
}

.stof-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  width: fit-content;
}

.stof-back-link .material-symbols-outlined {
  transition: transform 180ms ease;
}

.stof-back-link:hover .material-symbols-outlined {
  transform: translateX(-3px);
}

.stof-brand-centered {
  justify-self: center;
}

.stof-header-spacer {
  justify-self: end;
  width: 80px;
}

.stof-form-main {
  padding: 64px 0 88px;
}

.stof-form-container {
  max-width: 840px;
}

.stof-form-intro {
  max-width: 680px;
  margin: 0 auto 32px;
  text-align: center;
}

.stof-form-intro h1,
.stof-success-card h1 {
  margin: 0 0 14px;
  color: var(--stof-text);
  font-size: clamp(34px, 5vw, 50px);
  line-height: 1.12;
  letter-spacing: 0;
}

.stof-form-intro p,
.stof-success-card p {
  margin: 0;
  color: var(--stof-muted);
  font-size: 18px;
}

.stof-alert {
  margin-bottom: 24px;
  padding: 18px 20px;
  border-radius: var(--stof-radius-sm);
}

.stof-alert-error {
  border: 1px solid rgba(255, 180, 171, 0.35);
  background: var(--stof-error-bg);
  color: var(--stof-error);
}

.stof-alert ul {
  margin: 8px 0 0;
  padding-left: 20px;
}

.stof-registration-form {
  position: relative;
  overflow: hidden;
  padding: clamp(24px, 5vw, 40px);
  border-radius: var(--stof-radius-lg);
}

.stof-registration-form::before {
  content: "";
  position: absolute;
  inset: -220px auto auto 50%;
  width: 760px;
  height: 320px;
  transform: translateX(-50%);
  background: rgba(37, 99, 235, 0.1);
  border-radius: 999px;
  filter: blur(100px);
  pointer-events: none;
}

.stof-form-section,
.stof-form-submit {
  position: relative;
  z-index: 1;
}

.stof-form-section + .stof-form-section {
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--stof-border);
}

.stof-form-section h2 {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 22px;
  color: var(--stof-text);
  font-size: 24px;
  line-height: 1.25;
}

.stof-form-section h2 .material-symbols-outlined {
  color: var(--stof-secondary);
}

.stof-field-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.stof-field-full {
  grid-column: 1 / -1;
}

.stof-field-grid label > span {
  display: block;
  margin-bottom: 8px;
  color: var(--stof-muted);
  font-size: 14px;
  font-weight: 500;
}

.stof-field-grid input,
.stof-field-grid select,
.stof-field-grid textarea {
  width: 100%;
  min-height: 48px;
  padding: 12px 14px;
  border: 1px solid var(--stof-outline-variant);
  border-radius: var(--stof-radius-sm);
  background: var(--stof-surface-deep);
  color: var(--stof-text);
  font: inherit;
  transition: border-color 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.stof-field-grid textarea {
  min-height: 132px;
  resize: vertical;
}

.stof-field-grid input::placeholder,
.stof-field-grid textarea::placeholder {
  color: var(--stof-outline);
}

.stof-field-grid input:focus,
.stof-field-grid select:focus,
.stof-field-grid textarea:focus {
  outline: none;
  border-color: var(--stof-primary);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.15);
}

.stof-honeypot {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.stof-upload-zone {
  display: flex;
  min-height: 220px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 30px;
  border: 2px dashed var(--stof-outline-variant);
  border-radius: var(--stof-radius);
  background: rgba(15, 23, 42, 0.8);
  color: var(--stof-muted);
  text-align: center;
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.stof-upload-zone:hover,
.stof-upload-zone.is-dragging {
  border-color: var(--stof-primary);
  background: rgba(30, 41, 59, 0.76);
  color: var(--stof-text);
}

.stof-upload-zone input {
  display: none;
}

.stof-upload-icon {
  display: inline-flex;
  width: 64px;
  height: 64px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  background: rgba(30, 41, 59, 0.9);
  color: var(--stof-secondary);
  font-size: 34px;
}

.stof-upload-zone strong {
  color: var(--stof-text);
}

.stof-upload-zone small {
  color: var(--stof-outline);
}

.stof-form-submit {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-top: 32px;
  padding-top: 32px;
  border-top: 1px solid var(--stof-border);
}

.stof-consent {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  max-width: 560px;
  color: var(--stof-muted);
}

.stof-consent input {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  accent-color: var(--stof-primary-container);
}

.stof-success-page {
  position: relative;
  min-height: 100vh;
}

.stof-success-page::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.3;
}

.stof-success-main {
  position: relative;
  display: grid;
  min-height: calc(100vh - 160px);
  place-items: center;
  padding: 96px 16px;
}

.stof-success-card {
  width: min(100%, 680px);
  padding: clamp(32px, 8vw, 64px);
  border-radius: var(--stof-radius-lg);
  text-align: center;
}

.stof-success-icon {
  position: relative;
  display: inline-flex;
  width: 96px;
  height: 96px;
  align-items: center;
  justify-content: center;
  margin-bottom: 28px;
  border: 1px solid var(--stof-secondary);
  border-radius: 999px;
  background: rgba(30, 41, 59, 0.88);
  color: var(--stof-secondary);
  box-shadow: 0 0 40px rgba(34, 211, 238, 0.18);
}

.stof-success-icon::before {
  content: "";
  position: absolute;
  inset: -12px;
  border-radius: inherit;
  background: rgba(93, 230, 255, 0.18);
  filter: blur(18px);
}

.stof-success-icon .material-symbols-outlined {
  position: relative;
  font-size: 52px;
  font-variation-settings: "FILL" 1;
}

.stof-success-card p {
  max-width: 560px;
  margin: 0 auto 36px;
}

.stof-empty-state {
  max-width: 720px;
  margin: 120px auto;
  padding: 40px;
  border: 1px solid var(--stof-border);
  border-radius: var(--stof-radius-lg);
  background: rgba(30, 41, 59, 0.6);
  text-align: center;
}

@media (max-width: 1024px) {
  .stof-nav-links,
  .stof-nav-cta {
    display: none;
  }

  .stof-menu-toggle {
    display: inline-flex;
  }

  .stof-nav.is-open .stof-nav-links {
    position: absolute;
    top: 80px;
    left: 16px;
    right: 16px;
    display: grid;
    gap: 6px;
    padding: 16px;
    border: 1px solid var(--stof-border);
    border-radius: var(--stof-radius);
    background: rgba(15, 23, 42, 0.96);
    box-shadow: var(--stof-shadow);
  }

  .stof-nav.is-open .stof-nav-links a {
    padding: 12px;
  }

  .stof-hero-grid,
  .stof-split-grid {
    grid-template-columns: 1fr;
  }

  .stof-bento,
  .stof-steps,
  .stof-benefits {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stof-footer-grid {
    grid-template-columns: 1fr;
  }

  .stof-copyright {
    justify-self: start;
    text-align: left;
  }
}

@media (max-width: 720px) {
  .stof-container {
    width: min(100% - 32px, var(--stof-container));
  }

  .stof-section {
    padding: 72px 0;
  }

  .stof-main {
    padding-top: 76px;
  }

  .stof-brand {
    font-size: 20px;
  }

  .stof-brand img {
    width: 108px;
  }

  .stof-hero {
    padding-top: 72px;
  }

  .stof-hero-grid {
    gap: 40px;
  }

  .stof-hero h1 {
    font-size: 40px;
  }

  .stof-actions,
  .stof-button,
  .stof-form-submit {
    width: 100%;
  }

  .stof-actions .stof-button,
  .stof-form-submit .stof-button {
    width: 100%;
  }

  .stof-hero-visual,
  .stof-hero-visual img {
    min-height: 320px;
  }

  .stof-ai-card {
    right: 12px;
    top: 12px;
    max-width: calc(100% - 24px);
  }

  .stof-bento,
  .stof-steps,
  .stof-benefits,
  .stof-field-grid {
    grid-template-columns: 1fr;
  }

  .stof-card-wide,
  .stof-field-full {
    grid-column: auto;
  }

  .stof-card,
  .stof-steps article,
  .stof-benefits article,
  .stof-faq details,
  .stof-final-cta {
    padding: 24px;
  }

  .stof-minimal-header-inner {
    grid-template-columns: auto 1fr auto;
    gap: 12px;
  }

  .stof-back-link {
    font-size: 0;
  }

  .stof-back-link .material-symbols-outlined {
    font-size: 26px;
  }

  .stof-header-spacer {
    width: 32px;
  }

  .stof-form-main {
    padding: 42px 0 72px;
  }

  .stof-form-submit {
    flex-direction: column;
  }

  .stof-footer-links {
    flex-wrap: wrap;
  }
}