/* ========== HERO ========== */
.f-hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}
.f-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse at 70% 30%, rgba(111,119,141,0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 30% 80%, rgba(111,119,141,0.04) 0%, transparent 40%);
}

.f-badge {
  display: inline-block;
  font-size: 12px; font-weight: 400;
  color: var(--accent);
  border: 1px solid var(--border);
  padding: 6px 16px; border-radius: 4px;
  margin-bottom: 24px; letter-spacing: 1px;
  text-transform: uppercase;
}

.f-hero-title {
  font-size: 44px; font-weight: 300; color: var(--text);
  line-height: 1.2; letter-spacing: -0.5px;
  margin-bottom: 20px; max-width: 800px;
}

.f-hero-sub {
  font-size: 16px; color: var(--text-secondary); line-height: 1.75;
  margin-bottom: 32px; max-width: 600px;
}

.f-hero-actions {
  display: flex; gap: 14px; margin-bottom: 48px;
  flex-wrap: wrap;
}

/* TERMINAL */
.f-terminal {
  max-width: 640px;
  background: var(--surface-bg);
  border: 1px solid var(--border);
  border-radius: 8px; overflow: hidden;
}
.f-terminals-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 100%;
}
.f-terminals-grid .f-terminal {
  max-width: none;
}
.f-terminal-bar {
  background: var(--surface-bg);
  padding: 14px 16px; display: flex; gap: 8px; align-items: center;
  border-bottom: 1px solid var(--border-light);
}
.f-terminal-bar span {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.f-terminal-bar span:nth-child(1) { background: #d4756b; }
.f-terminal-bar span:nth-child(2) { background: #d4a76b; }
.f-terminal-bar span:nth-child(3) { background: #6bd475; }
.f-terminal-label {
  flex: 1; min-width: 0;
  font-size: 12px; color: var(--text-secondary);
  text-align: center; line-height: 1.5;
}
.f-terminal-body {
  padding: 20px 22px;
  font-size: 13px; font-weight: 400;
  line-height: 1.9; color: var(--text-secondary);
}
.f-line { margin-bottom: 4px; }
.f-user { color: var(--accent); font-weight: 500; margin-right: 6px; }
.f-agent { color: #6bd475; font-weight: 500; margin-right: 6px; }
.f-path { color: var(--text); font-weight: 500; }

/* ========== HOW ========== */
.f-how {
  background: var(--bg-alt); padding: 80px 0;
}

.f-steps {
  display: flex; align-items: flex-start; gap: 20px;
}

.f-step {
  flex: 1; min-width: 220px;
  background: var(--card-on-alt-bg);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 28px 24px;
}

.f-step-num {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 400; color: var(--text);
  background: var(--accent-light);
  border: 1px solid var(--accent-ring);
  border-radius: 50%; margin-bottom: 16px;
}

.f-step h4 {
  font-size: 16px; font-weight: 500; color: var(--text); margin-bottom: 8px;
}
.f-step p {
  font-size: 13px; color: var(--text-secondary); line-height: 1.6;
}

.f-step-arrow {
  font-size: 22px; color: var(--accent); padding-top: 48px; flex-shrink: 0;
}

/* ========== FEATURES ========== */
.f-features {
  padding: 80px 0; background: var(--bg);
}

.f-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.f-feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 26px 24px;
  transition: all .2s;
}
.f-feature-card:hover { border-color: var(--accent); }

.f-feature-icon {
  font-size: 28px; margin-bottom: 14px;
}

.f-feature-card h4 {
  font-size: 16px; font-weight: 500; color: var(--text); margin-bottom: 8px;
}
.f-feature-card p {
  font-size: 13px; color: var(--text-secondary); line-height: 1.6;
}

/* ========== CASES ========== */
.f-cases {
  padding: 80px 0; background: var(--bg-alt);
}
.f-cases .section-title { color: var(--text); }

.f-cases-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.f-case-card {
  background: var(--card-on-alt-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 26px 24px;
  transition: all .2s;
}
.f-case-card:hover { border-color: var(--accent); }
.f-case-card-wide { grid-column: 1 / -1; }

.f-case-card h4 {
  font-size: 18px; font-weight: 500; color: var(--text); margin-bottom: 4px;
}
.f-case-sub {
  font-size: 13px; color: var(--accent); margin-bottom: 12px;
}
.f-case-card p {
  font-size: 13px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px;
}
.f-case-result {
  font-size: 13px; color: var(--text);
  background: var(--accent-light);
  border-left: 2px solid var(--accent);
  padding: 8px 14px; border-radius: 0 4px 4px 0;
}

/* ========== PATHS ========== */
.f-paths {
  padding: 80px 0; background: var(--bg);
}

.f-paths-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px; max-width: 760px;
}

.f-path-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 28px;
  display: flex; flex-direction: column;
}
.f-path-card-featured {
  border-color: var(--accent);
  border-width: 2px;
}

.f-path-badge {
  font-size: 14px; font-weight: 500; color: var(--text-secondary);
  margin-bottom: 16px;
}
.f-path-badge-accent { color: var(--text); }

.f-path-card ul {
  list-style: none; margin-bottom: 20px; flex: 1;
}
.f-path-card li {
  font-size: 13px; color: var(--text-secondary); padding: 5px 0;
  position: relative; padding-left: 16px;
}
.f-path-card li::before {
  content: '/'; position: absolute; left: 0; color: var(--accent);
}

.f-path-card code {
  font-family: inherit; font-size: 13px;
  background: var(--surface-bg-hover); padding: 2px 6px;
  border-radius: 3px; color: var(--text);
}

.f-path-note {
  font-size: 12px; color: var(--accent); margin-bottom: 16px;
}

/* ========== AUDIENCE ========== */
.f-audience {
  padding: 80px 0; background: var(--bg-alt);
}

.f-audience-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.f-audience-card {
  background: var(--card-on-alt-bg);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 22px 24px;
}
.f-audience-card h4 {
  font-size: 16px; font-weight: 500; color: var(--text); margin-bottom: 6px;
}
.f-audience-card p {
  font-size: 13px; color: var(--text-secondary); line-height: 1.5;
}

/* ========== ABOUT ========== */
.f-about {
  padding: 80px 0; background: var(--bg);
}

.f-about-row {
  display: flex; gap: 32px; align-items: flex-start;
}
.f-about-photo {
  flex-shrink: 0;
  width: 120px; height: 120px;
  border-radius: 50%; overflow: hidden;
  border: 2px solid var(--accent-ring);
}
.f-about-photo img {
  width: 100%; height: 100%; object-fit: cover;
}
.f-about-text-col { flex: 1; }
.f-about-text {
  font-size: 15px; color: var(--text-secondary); line-height: 1.7;
  margin-bottom: 12px; max-width: 640px;
}

@media (max-width: 768px) {
  .f-about-row { flex-direction: column; align-items: center; text-align: center; }
  .f-about-text { max-width: 100%; }
}

/* ========== FAQ ========== */
.f-faq {
  padding: 80px 0; background: var(--bg-alt);
}
.f-faq .section-title { color: var(--text); }

.f-faq-list {
  max-width: 760px;
}

.f-faq-list .faq-item {
  border-bottom: 1px solid var(--border);
}

/* ========== CTA ========== */
.f-cta {
  padding: 100px 0; background: var(--bg);
  text-align: center;
}

.f-cta-sub {
  font-size: 16px; color: var(--text-secondary);
  margin-bottom: 32px; max-width: 560px;
  margin-left: auto; margin-right: auto;
}

.f-cta-actions {
  display: flex; gap: 14px; justify-content: center;
  flex-wrap: wrap;
}

/* ========== FOOTER ========== */
.f-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 48px 0 32px;
  color: var(--text-secondary);
}

.f-footer-grid {
  display: flex; justify-content: space-between;
  gap: 32px; margin-bottom: 32px;
}

.f-footer-brand p {
  font-size: 12px; color: var(--accent);
  text-transform: uppercase; letter-spacing: 1.5px;
  margin-top: 4px; margin-bottom: 12px;
}

.f-footer-main-link {
  font-size: 13px; color: var(--accent);
  border: 1px solid var(--border);
  padding: 6px 14px; border-radius: 4px;
  display: inline-block; transition: all .2s;
}
.f-footer-main-link:hover { border-color: var(--accent); color: var(--text); }

.f-footer-info { text-align: right; }
.f-footer-info p {
  font-size: 13px; margin-bottom: 3px;
}

.f-footer .footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 24px; text-align: center;
}
.f-footer .footer-bottom a { color: var(--text-secondary); }

/* ========== RESPONSIVE ========== */
@media (max-width: 1024px) {
  .f-features-grid { grid-template-columns: 1fr 1fr; }
  .f-steps { flex-wrap: wrap; }
  .f-step-arrow { display: none; }
  .f-step { flex: 1 1 calc(50% - 10px); }
  .f-terminals-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .f-hero-title { font-size: 30px; }
  .f-hero-actions { flex-direction: column; }
  .f-terminal-body { font-size: 12px; padding: 16px; }
  .f-terminal-label { font-size: 10px; }
  .f-step { flex: 1 1 100%; }
  .f-features-grid { grid-template-columns: 1fr; }
  .f-cases-grid { grid-template-columns: 1fr; }
  .f-case-card-wide { grid-column: auto; }
  .f-paths-grid { grid-template-columns: 1fr; }
  .f-audience-grid { grid-template-columns: 1fr; }
  .f-footer-grid { flex-direction: column; text-align: center; }
  .f-footer-info { text-align: center; }
}

/* ========== MODAL ========== */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  z-index: 10000;
  background: var(--modal-overlay);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  justify-content: center;
  align-items: center;
  padding: 24px;
  box-sizing: border-box;
}
.modal-overlay.open {
  display: flex;
}

.modal-window {
  background: var(--modal-bg);
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  padding: 36px 32px 32px;
  max-width: 480px;
  width: 100%;
  position: relative;
  box-sizing: border-box;
  max-height: 90vh;
  overflow-y: auto;
  animation: modalIn .25s ease-out;
}

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

.modal-close {
  position: absolute;
  top: 12px;
  right: 16px;
  background: none;
  border: none;
  font-size: 28px;
  color: var(--accent);
  cursor: pointer;
  line-height: 1;
  padding: 0;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all .15s;
  z-index: 1;
}
.modal-close:hover { color: var(--text); background: var(--surface-bg-hover); }

.modal-title {
  font-size: 20px;
  font-weight: 500;
  color: var(--text);
  margin: 0 0 8px 0;
  padding-right: 36px;
}

.modal-sub {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
  margin: 0 0 24px 0;
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.modal-form .form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.modal-form label {
  font-size: 12px;
  font-weight: 500;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-form input,
.modal-form textarea {
  background: var(--surface-bg);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text);
  font-family: inherit;
  transition: border-color .2s;
  outline: none;
  box-sizing: border-box;
}
.modal-form input:focus,
.modal-form textarea:focus {
  border-color: var(--accent);
}
.modal-form input::placeholder,
.modal-form textarea::placeholder {
  color: var(--placeholder-color);
}

.modal-form .form-message {
  font-size: 13px;
  margin: 0;
}
.modal-form .form-message.error   { color: #d4756b; }
.modal-form .form-message.success { color: #6bd475; }