/* ===== RESET & VARIABLES ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
  --bg: #fffbf5;
  --bg-alt: #fff4e6;
  --surface: #ffffff;
  --border: #030712;
  --border-w: 3px;
  --shadow: 5px 5px 0 #030712;
  --shadow-sm: 3px 3px 0 #030712;
  --shadow-hover: 7px 7px 0 #030712;
  --text: #030712;
  --text-secondary: #374151;
  --text-muted: #6b7280;
  --accent: #f97316;
  --accent-light: #fff7ed;
  --accent-hover: #ea580c;
  --cyan: #06b6d4;
  --cyan-light: #ecfeff;
  --red: #ef4444;
  --red-light: #fef2f2;
  --radius: 12px;
  --radius-sm: 8px;
  --font: 'Inter', system-ui, -apple-system, sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== HERO ===== */
.hero {
  padding: 80px 0 64px;
  text-align: center;
  background: var(--accent-light);
  border-bottom: var(--border-w) solid var(--border);
}

.hero-badge {
  display: inline-block;
  padding: 8px 20px;
  border: var(--border-w) solid var(--border);
  border-radius: 100px;
  background: var(--accent);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  box-shadow: var(--shadow-sm);
  margin-bottom: 24px;
}

.hero h1 {
  font-size: 3.6rem;
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

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

.hero-sub {
  color: var(--text-secondary);
  font-size: 1.2rem;
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.5;
}

.hero-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto 12px;
}

.hero-form input {
  flex: 1;
  padding: 16px 20px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  font-family: var(--font);
  font-weight: 500;
  outline: none;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s, transform 0.15s;
}

.hero-form input:focus {
  box-shadow: var(--shadow);
  transform: translate(-1px, -1px);
}

.hero-form input::placeholder {
  color: var(--text-muted);
}

.hero-form button {
  padding: 16px 32px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 800;
  font-family: var(--font);
  cursor: pointer;
  box-shadow: var(--shadow);
  transition: all 0.15s;
  white-space: nowrap;
}

.hero-form button:hover {
  background: var(--accent-hover);
  box-shadow: var(--shadow-hover);
  transform: translate(-2px, -2px);
}

.hero-form button:active {
  box-shadow: 2px 2px 0 var(--border);
  transform: translate(1px, 1px);
}

.hero-note {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.skip-link {
  display: inline-block;
  padding: 10px 24px;
  border: 2px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: all 0.15s;
}

.skip-link:hover {
  background: var(--cyan-light);
  box-shadow: var(--shadow);
  transform: translate(-1px, -1px);
}

/* ===== PROBLEM ===== */
.problem {
  padding: 80px 0;
  background: var(--surface);
  border-bottom: var(--border-w) solid var(--border);
}

.problem-badge {
  display: inline-block;
  padding: 6px 16px;
  border: 2px solid var(--red);
  border-radius: 100px;
  color: var(--red);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.problem h2 {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 40px;
}

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

.problem-card {
  padding: 32px 28px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--red-light);
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}

.problem-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hover);
}

.problem-icon {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.problem-card h3 {
  font-size: 1.15rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.problem-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ===== HOW IT WORKS ===== */
.how-it-works {
  padding: 80px 0;
  text-align: center;
  background: var(--bg);
  border-bottom: var(--border-w) solid var(--border);
}

.how-it-works h2 {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  margin-bottom: 8px;
}

.section-sub {
  color: var(--text-secondary);
  font-size: 1.1rem;
  margin-bottom: 48px;
}

.steps-grid {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.step-card {
  flex: 1;
  max-width: 280px;
  padding: 36px 28px 32px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  text-align: center;
  transition: transform 0.15s, box-shadow 0.15s;
}

.step-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hover);
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border: var(--border-w) solid var(--border);
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  font-size: 1.4rem;
  font-weight: 900;
  box-shadow: var(--shadow-sm);
  margin-bottom: 18px;
}

.step-card h3 {
  font-size: 1.1rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.step-arrow {
  font-size: 2rem;
  font-weight: 900;
  color: var(--accent);
  flex-shrink: 0;
}

/* ===== FEATURES ===== */
.features {
  padding: 80px 0;
  background: var(--surface);
  border-bottom: var(--border-w) solid var(--border);
}

.features h2 {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 48px;
  text-align: center;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.feature-card {
  padding: 36px 32px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: var(--shadow);
  transition: transform 0.15s, box-shadow 0.15s;
}

.feature-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-hover);
}

.feature-card:nth-child(1) { background: var(--accent-light); }
.feature-card:nth-child(2) { background: var(--cyan-light); }
.feature-card:nth-child(3) { background: var(--bg-alt); }
.feature-card:nth-child(4) { background: #f5f3ff; }

.feature-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 10px;
}

.feature-card p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* ===== SOCIAL PROOF ===== */
.social-proof {
  padding: 80px 0;
  text-align: center;
  background: var(--bg);
  border-bottom: var(--border-w) solid var(--border);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.proof-card {
  padding: 32px 20px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.proof-value {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 8px;
}

.proof-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.proof-comparison {
  max-width: 600px;
  margin: 0 auto;
  padding: 28px 32px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--accent-light);
  box-shadow: var(--shadow);
}

.proof-anchor {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.proof-anchor strong {
  text-decoration: line-through;
  text-decoration-color: var(--red);
  text-decoration-thickness: 3px;
}

.proof-anchor strong:last-child {
  text-decoration: none;
  color: var(--accent);
  font-size: 1.3rem;
}

.powered-by {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ===== SECOND CTA ===== */
.second-cta {
  padding: 80px 0;
  text-align: center;
  background: var(--accent);
  border-bottom: var(--border-w) solid var(--border);
  color: #fff;
}

.second-cta h2 {
  font-size: 2.6rem;
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 12px;
}

.second-cta .section-sub {
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
}

.second-cta .hero-form input {
  background: #fff;
  color: var(--text);
  border-color: var(--border);
}

.second-cta .hero-form button {
  background: var(--border);
  color: #fff;
}

.second-cta .hero-form button:hover {
  background: #1f2937;
}

.second-cta .hero-note {
  color: rgba(255, 255, 255, 0.7);
}

.inline-link {
  color: inherit;
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.second-cta .inline-link {
  color: #fff;
}

/* ===== FAQ ===== */
.faq {
  padding: 80px 0;
  background: var(--surface);
  border-bottom: var(--border-w) solid var(--border);
}

.faq h2 {
  font-size: 2.6rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  text-align: center;
  margin-bottom: 48px;
}

.faq-list {
  max-width: 700px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: box-shadow 0.15s;
}

.faq-item:hover {
  box-shadow: var(--shadow);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border: none;
  background: none;
  font-family: var(--font);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}

.faq-toggle {
  font-size: 1.6rem;
  font-weight: 900;
  color: var(--accent);
  flex-shrink: 0;
  margin-left: 16px;
  transition: transform 0.2s;
}

.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.open .faq-answer {
  max-height: 300px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== FOOTER ===== */
.footer {
  padding: 40px 0;
  text-align: center;
  background: var(--border);
  color: #fff;
}

.footer-brand {
  font-size: 1.4rem;
  font-weight: 900;
  margin-bottom: 8px;
}

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

.footer p {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer-sub {
  margin-top: 4px;
}

.footer .inline-link {
  color: var(--accent);
}

/* ===== SUCCESS STATE ===== */
.form-success {
  padding: 16px 24px;
  border: var(--border-w) solid var(--border);
  border-radius: var(--radius);
  background: var(--cyan-light);
  color: #0e7490;
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: var(--shadow-sm);
  text-align: center;
  max-width: 480px;
  margin: 0 auto;
}

.form-error {
  padding: 12px 20px;
  border: 2px solid var(--red);
  border-radius: var(--radius-sm);
  background: var(--red-light);
  color: var(--red);
  font-weight: 600;
  font-size: 0.85rem;
  text-align: center;
  max-width: 480px;
  margin: 8px auto 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero h1 { font-size: 2.8rem; }
  .problem h2, .how-it-works h2, .features h2, .second-cta h2, .faq h2 { font-size: 2.1rem; }
  .problem-grid { grid-template-columns: 1fr; }
  .steps-grid { flex-direction: column; }
  .step-arrow { transform: rotate(90deg); }
  .features-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 600px) {
  .hero { padding: 56px 0 48px; }
  .hero h1 { font-size: 2.1rem; }
  .hero-sub { font-size: 1rem; }
  .hero-form { flex-direction: column; }
  .hero-form button { width: 100%; }
  .problem, .how-it-works, .features, .social-proof, .second-cta, .faq { padding: 56px 0; }
  .problem h2, .how-it-works h2, .features h2, .second-cta h2, .faq h2 { font-size: 1.8rem; }
  .proof-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .proof-value { font-size: 2.2rem; }
  .step-card { max-width: 100%; }
  .faq-question { font-size: 0.95rem; padding: 16px 20px; }
  .faq-answer p { padding: 0 20px 16px; }
}

@media (max-width: 380px) {
  .hero h1 { font-size: 1.7rem; }
  .proof-grid { grid-template-columns: 1fr; }
}