:root {
  --bg: #0c0a09;
  --bg-elevated: #1c1917;
  --bg-card: #292524;
  --fg: #fafaf9;
  --fg-muted: #a8a29e;
  --accent: #d97706;
  --accent-light: #fbbf24;
  --accent-glow: rgba(217, 119, 6, 0.15);
  --font-display: 'Syne', sans-serif;
  --font-body: 'DM Sans', sans-serif;
  --max-w: 1120px;
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 6rem;
  --space-2xl: 8rem;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
}

/* --- HERO --- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: flex-end;
  padding: var(--space-xl) var(--space-md) var(--space-lg);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, var(--accent-glow), transparent),
    radial-gradient(ellipse 50% 40% at 20% 80%, rgba(120, 53, 15, 0.1), transparent);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: var(--max-w);
  margin: 0 auto;
  width: 100%;
}

.hero-tag {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-md);
}

.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.8rem, 6vw, 5.5rem);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--fg-muted);
  max-width: 560px;
  line-height: 1.7;
}

.hero-gradient {
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
  pointer-events: none;
}

.accent {
  color: var(--accent);
}

/* --- PROOF --- */
.proof {
  padding: var(--space-lg) var(--space-md);
  max-width: var(--max-w);
  margin: 0 auto;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(168, 162, 158, 0.1);
  border-radius: 12px;
  overflow: hidden;
}

.proof-card {
  background: var(--bg-elevated);
  padding: var(--space-md) var(--space-sm);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.proof-card.featured {
  background: var(--accent-glow);
}

.proof-number {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  color: var(--fg);
}

.proof-card.featured .proof-number {
  color: var(--accent-light);
}

.proof-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --- FEATURES --- */
.features {
  padding: var(--space-2xl) var(--space-md) var(--space-xl);
  max-width: var(--max-w);
  margin: 0 auto;
}

.features-header {
  margin-bottom: var(--space-xl);
}

.features-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: var(--space-sm);
}

.features-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  font-style: italic;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.feature-block {
  background: var(--bg-elevated);
  border: 1px solid rgba(168, 162, 158, 0.08);
  border-radius: 12px;
  padding: var(--space-md);
  transition: border-color 0.3s ease;
}

.feature-block:hover {
  border-color: rgba(217, 119, 6, 0.3);
}

.feature-icon {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
}

.feature-block h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.3rem;
  margin-bottom: var(--space-xs);
}

.feature-block p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.65;
}

/* --- CLOSING --- */
.closing {
  padding: var(--space-2xl) var(--space-md);
  position: relative;
}

.closing::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(ellipse 60% 50% at 50% 60%, var(--accent-glow), transparent);
  pointer-events: none;
}

.closing-inner {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.closing-inner h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

.closing-text {
  font-size: 1.05rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: var(--space-md);
}

.closing-tagline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--accent-light);
  letter-spacing: 0.05em;
}

/* --- FOOTER --- */
.footer {
  border-top: 1px solid rgba(168, 162, 158, 0.08);
  padding: var(--space-md);
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--fg-muted);
}

.footer-note {
  font-size: 0.8rem;
  color: rgba(168, 162, 158, 0.5);
}

/* --- BUTTONS --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--accent);
  color: #0c0a09;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.03em;
  text-decoration: none;
  border: none;
  border-radius: 6px;
  padding: 0.75rem 1.75rem;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
}

.btn-primary:hover {
  background: var(--accent-light);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-lg {
  padding: 0.9rem 2.2rem;
  font-size: 1rem;
}

.btn-primary.loading .btn-text { opacity: 0.5; }
.btn-primary.loading .btn-spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(12,10,9,0.3);
  border-top-color: #0c0a09;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
.btn-spinner { display: none; }
@keyframes spin { to { transform: rotate(360deg); } }

.hero-cta {
  margin-top: var(--space-md);
}

.closing-cta {
  margin-top: var(--space-md);
  display: inline-flex;
}

/* --- QUOTE FORM --- */
.quote-section {
  padding: var(--space-2xl) var(--space-md);
  background: var(--bg-elevated);
  position: relative;
}

.quote-section::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 0%, var(--accent-glow), transparent);
  pointer-events: none;
}

.quote-inner {
  position: relative;
  max-width: 760px;
  margin: 0 auto;
}

.quote-header {
  margin-bottom: var(--space-xl);
}

.quote-tag {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.quote-header h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin-bottom: 0.75rem;
}

.quote-sub {
  font-size: 1rem;
  color: var(--fg-muted);
  max-width: 520px;
  line-height: 1.65;
}

.quote-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group--full {
  grid-column: 1 / -1;
}

.form-group--center {
  justify-content: flex-end;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--fg-muted);
  letter-spacing: 0.02em;
}

.req {
  color: var(--accent);
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg-card);
  border: 1px solid rgba(168, 162, 158, 0.15);
  border-radius: 6px;
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 0.95rem;
  padding: 0.65rem 0.9rem;
  transition: border-color 0.2s ease;
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--accent);
}

.form-group input.invalid,
.form-group select.invalid {
  border-color: #ef4444;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(168, 162, 158, 0.4);
}

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

.select-wrap {
  position: relative;
}

.select-wrap::after {
  content: '▾';
  position: absolute;
  right: 0.9rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--fg-muted);
  pointer-events: none;
  font-size: 0.85rem;
}

.select-wrap select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 2rem;
}

.form-group input[type="number"]::-webkit-inner-spin-button,
.form-group input[type="number"]::-webkit-outer-spin-button {
  opacity: 0.4;
}

.field-error {
  font-size: 0.8rem;
  color: #f87171;
  min-height: 1rem;
}

.form-note {
  font-size: 0.78rem;
  color: rgba(168, 162, 158, 0.45);
  text-align: center;
  margin-top: calc(-1 * var(--space-xs));
}

/* Success state */
.quote-success {
  text-align: center;
  padding: var(--space-xl) var(--space-md);
}

.success-icon {
  width: 56px;
  height: 56px;
  background: var(--accent);
  color: #0c0a09;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  font-weight: 800;
  margin: 0 auto var(--space-md);
}

.quote-success h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.6rem;
  margin-bottom: var(--space-sm);
}

.quote-success p {
  color: var(--fg-muted);
  font-size: 1rem;
  line-height: 1.65;
  max-width: 480px;
  margin: 0 auto;
}

/* Error banner */
.quote-error-banner {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.3);
  border-radius: 6px;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  color: #f87171;
  margin-top: var(--space-sm);
}

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
  .hero {
    min-height: 70vh;
    padding: var(--space-lg) var(--space-sm) var(--space-md);
    align-items: center;
  }

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

  .features-grid {
    grid-template-columns: 1fr;
  }

  .features {
    padding: var(--space-xl) var(--space-sm) var(--space-lg);
  }

  .closing {
    padding: var(--space-xl) var(--space-sm);
  }

  .quote-section {
    padding: var(--space-xl) var(--space-sm);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-group--center {
    justify-content: flex-start;
  }
}

@media (max-width: 480px) {
  .proof-grid {
    grid-template-columns: 1fr 1fr;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

  .footer-inner {
    flex-direction: column;
    gap: var(--space-xs);
    text-align: center;
  }
}