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

:root {
  --sf-bg: #050b16;
  --sf-bg-alt: #0a1224;
  --sf-card: #0f182b;
  --sf-border: rgba(255, 255, 255, 0.06);
  --sf-gold: #d8b25a;
  --sf-gold-soft: #f3d792;
  --sf-text-main: #f5f7ff;
  --sf-text-muted: #a5b0d4;
  --sf-pill: rgba(216, 178, 90, 0.12);
  --sf-radius-lg: 18px;
  --sf-radius-md: 12px;
  --sf-radius-sm: 8px;
  --sf-shadow-soft: 0 18px 45px rgba(0, 0, 0, 0.6);
  --sf-shadow-card: 0 14px 35px rgba(0, 0, 0, 0.5);
  --sf-font-main: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--sf-font-main);
  background: radial-gradient(circle at top left, #101b33 0, #050b16 45%, #02040a 100%);
  color: var(--sf-text-main);
}

body {
  line-height: 1.5;
}

/* Layout */

.sf-container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.sf-section {
  padding: 4.5rem 0;
}

.sf-section-alt {
  background: linear-gradient(135deg, rgba(255,255,255,0.03), transparent);
}

/* Header */

.sf-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: linear-gradient(to bottom, rgba(5, 11, 22, 0.95), rgba(5, 11, 22, 0.75));
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
}

.sf-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 1.5rem;
}

.sf-logo-block {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--sf-text-main);
}

.sf-logo-img {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.7);
}

.sf-logo-text {
  display: flex;
  flex-direction: column;
}

.sf-logo-title {
  font-weight: 650;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.sf-logo-tagline {
  font-size: 0.75rem;
  color: var(--sf-text-muted);
}

.sf-nav {
  display: flex;
  gap: 1.2rem;
  font-size: 0.88rem;
}

.sf-nav a {
  color: var(--sf-text-muted);
  text-decoration: none;
  padding: 0.3rem 0.4rem;
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}

.sf-nav a:hover {
  color: var(--sf-gold-soft);
  background: rgba(216, 178, 90, 0.12);
}

/* Hero */

.sf-hero {
  padding-top: 5rem;
}

.sf-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2.2fr);
  gap: 2.5rem;
  align-items: center;
}

.sf-overline {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.75rem;
  color: var(--sf-gold-soft);
  margin-bottom: 0.8rem;
}

.sf-hero h1 {
  font-size: clamp(2.1rem, 3vw, 2.7rem);
  margin: 0 0 0.9rem;
}

.sf-hero-lead {
  margin: 0 0 1.5rem;
  color: var(--sf-text-muted);
  max-width: 32rem;
}

.sf-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-bottom: 1.4rem;
}

.sf-btn {
  border-radius: 999px;
  padding: 0.7rem 1.4rem;
  font-size: 0.9rem;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
}

.sf-btn-primary {
  background: linear-gradient(135deg, var(--sf-gold), var(--sf-gold-soft));
  color: #1a1204;
  font-weight: 600;
  box-shadow: var(--sf-shadow-card);
}

.sf-btn-primary:hover {
  filter: brightness(1.04);
}

.sf-btn-ghost {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--sf-text-main);
  background: rgba(7, 12, 26, 0.7);
}

.sf-btn-ghost:hover {
  border-color: var(--sf-gold-soft);
}

.sf-hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.sf-hero-pills span {
  font-size: 0.75rem;
  padding: 0.28rem 0.75rem;
  border-radius: 999px;
  background: var(--sf-pill);
  color: var(--sf-gold-soft);
  border: 1px solid rgba(216, 178, 90, 0.4);
}

.sf-hero-card {
  background: radial-gradient(circle at top, #1c2740 0, #0a0f1d 55%, #050914 100%);
  border-radius: var(--sf-radius-lg);
  padding: 1.6rem 1.4rem;
  box-shadow: var(--sf-shadow-soft);
  border: 1px solid var(--sf-border);
}

.sf-hero-card h2 {
  margin-top: 0;
  font-size: 1.1rem;
}

.sf-hero-card ul {
  padding-left: 1.2rem;
  margin: 0 0 1rem;
  color: var(--sf-text-muted);
  font-size: 0.9rem;
}

.sf-hero-note {
  font-size: 0.78rem;
  color: var(--sf-text-muted);
  border-top: 1px dashed rgba(255, 255, 255, 0.1);
  padding-top: 0.8rem;
}

/* Generic sections */

.sf-section-head {
  max-width: 40rem;
  margin-bottom: 2rem;
}

.sf-section-head h2 {
  margin: 0 0 0.5rem;
  font-size: 1.5rem;
}

.sf-section-head p {
  margin: 0;
  color: var(--sf-text-muted);
}

.sf-two-col {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1.2fr);
  gap: 2rem;
  align-items: flex-start;
}

/* Mini cards */

.sf-cards-compact {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(0, 1fr));
  gap: 1rem;
}

.sf-mini-card {
  background: var(--sf-card);
  border-radius: var(--sf-radius-md);
  padding: 1rem 1.1rem;
  border: 1px solid var(--sf-border);
  font-size: 0.86rem;
  color: var(--sf-text-muted);
}

/* Domains */

.sf-domain-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.4rem;
}

.sf-domain-card {
  background: radial-gradient(circle at top, #202d4a 0, #060913 60%);
  border-radius: var(--sf-radius-lg);
  padding: 1.2rem 1.15rem 1.1rem;
  border: 1px solid rgba(216, 178, 90, 0.28);
  box-shadow: var(--sf-shadow-card);
  font-size: 0.88rem;
}

.sf-domain-card h3 {
  margin: 0 0 0.25rem;
  font-size: 1rem;
}

.sf-domain-tag {
  margin: 0 0 0.7rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--sf-gold-soft);
}

.sf-domain-card p {
  margin: 0 0 0.6rem;
  color: var(--sf-text-muted);
}

.sf-domain-card ul {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--sf-text-muted);
}

/* Focus */

.sf-focus-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.3rem;
}

.sf-focus-card {
  background: var(--sf-card);
  border-radius: var(--sf-radius-md);
  padding: 1.1rem 1.2rem;
  border: 1px solid var(--sf-border);
  box-shadow: var(--sf-shadow-soft);
  font-size: 0.9rem;
}

.sf-focus-card h3 {
  margin-top: 0;
}

/* Info box */

.sf-info-box {
  background: radial-gradient(circle at top left, rgba(216, 178, 90, 0.18), rgba(10, 15, 27, 0.95));
  border-radius: var(--sf-radius-lg);
  padding: 1.3rem 1.4rem;
  border: 1px solid rgba(216, 178, 90, 0.5);
  font-size: 0.9rem;
  color: var(--sf-text-main);
}

/* Form */

.sf-form {
  background: var(--sf-card);
  border-radius: var(--sf-radius-lg);
  padding: 1.4rem 1.3rem;
  border: 1px solid var(--sf-border);
  display: grid;
  gap: 0.9rem;
  font-size: 0.86rem;
}

.sf-form label {
  display: grid;
  gap: 0.35rem;
}

.sf-form input,
.sf-form select,
.sf-form textarea {
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.5rem 0.9rem;
  background: rgba(5, 9, 20, 0.9);
  color: var(--sf-text-main);
  font-family: var(--sf-font-main);
  font-size: 0.86rem;
  outline: none;
}

.sf-form textarea {
  border-radius: 14px;
  resize: vertical;
}

.sf-form input::placeholder,
.sf-form textarea::placeholder {
  color: rgba(165, 176, 212, 0.7);
}

/* Contact */

.sf-contact-note {
  font-size: 0.8rem;
  color: var(--sf-text-muted);
  margin-top: 0.8rem;
}

/* Footer */

.sf-footer {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1.2rem 0 1.4rem;
  background: radial-gradient(circle at top, #10172a 0, #050711 65%);
}

.sf-footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.8rem;
  color: var(--sf-text-muted);
}

.sf-footer-tagline {
  color: var(--sf-gold-soft);
}

/* Responsive */

@media (max-width: 860px) {
  .sf-hero-grid,
  .sf-two-col {
    grid-template-columns: minmax(0, 1fr);
  }

  .sf-header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.6rem;
  }

  .sf-nav {
    flex-wrap: wrap;
  }

  .sf-hero-card {
    order: -1;
  }
}

@media (max-width: 540px) {
  .sf-header-inner {
    padding-inline: 1rem;
  }
  .sf-container {
    padding-inline: 1.1rem;
  }
}