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

:root {
  --color-bg: #f8f7f5;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-text-muted: #5c5c5c;
  --color-accent: #7a8b7a;
  --color-accent-light: #e8ece8;
  --color-border: #e2e0dc;
  --color-input-bg: #fafaf9;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --max-width: 1080px;
}

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---- Hero ---- */

.hero {
  min-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
  background: #0a0a0a;
}

.hero-logo {
  width: 360px;
  max-width: 100%;
  height: auto;
  object-fit: contain;
  margin-bottom: 32px;
}

.hero-headline {
  font-size: clamp(2.2rem, 5vw, 3.6rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  color: #ffffff;
}

.hero-tagline {
  font-size: clamp(1.05rem, 2vw, 1.2rem);
  color: #a0a0a0;
  max-width: 560px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* ---- Buttons ---- */

.btn {
  display: inline-block;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-family: var(--font-main);
  font-size: 0.95rem;
  font-weight: 500;
  border-radius: 6px;
  transition: background 0.2s, transform 0.15s;
}

.btn-primary {
  background: var(--color-text);
  color: var(--color-surface);
  padding: 14px 36px;
}

.hero .btn-primary {
  background: #ffffff;
  color: #0a0a0a;
}

.hero .btn-primary:hover {
  background: #e0e0e0;
}

.btn-primary:hover {
  background: #333;
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
}

/* ---- Section shared ---- */

.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  margin-bottom: 48px;
  text-align: center;
}

.section-title.left {
  text-align: left;
  margin-bottom: 24px;
}

.narrow .section-title.left {
  text-align: center;
}

.section-title.light {
  color: #ffffff;
}

.narrow {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 16px;
}

.eyebrow.center {
  display: block;
  text-align: center;
}

.eyebrow.light {
  color: #aebfae;
}

.lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}

.lead:last-child {
  margin-bottom: 0;
}

.lead.light {
  color: #c8c8c8;
}

/* ---- Problem ---- */

.problem {
  padding: 100px 24px 80px;
}

/* ---- Why Fail ---- */

.why-fail {
  padding: 80px 24px 100px;
}

/* ---- Approach (dark band) ---- */

.approach {
  padding: 100px 24px;
  background: #0a0a0a;
}

.approach .section-title.left {
  margin-bottom: 24px;
}

/* ---- How It Works ---- */

.how {
  padding: 100px 24px;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.steps {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--color-border);
}

.step:last-child {
  border-bottom: none;
}

.step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-light);
  color: var(--color-accent);
  font-weight: 600;
  font-size: 1.1rem;
}

.step-body h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.step-body p {
  font-size: 0.98rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---- Impact / Ease Matrix ---- */

.matrix-section {
  padding: 100px 24px;
}

.matrix-intro {
  text-align: center;
  max-width: 640px;
  margin: -28px auto 56px;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

.matrix {
  max-width: 760px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 32px 1fr;
  grid-template-rows: 1fr 32px;
  gap: 12px;
}

.matrix-y-label {
  grid-column: 1;
  grid-row: 1;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  text-align: center;
  align-self: center;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.matrix-grid {
  grid-column: 2;
  grid-row: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 14px;
}

.matrix-x-label {
  grid-column: 2;
  grid-row: 2;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.quad {
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 24px 22px;
  background: var(--color-surface);
  min-height: 150px;
}

.quad-tag {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--color-text-muted);
}

.quad p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.quad-start {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.quad-start .quad-tag,
.quad-start p {
  color: #ffffff;
}

.quad-start .quad-tag {
  opacity: 0.95;
}

/* ---- Contact ---- */

.contact {
  padding: 100px 24px;
}

.contact-subtitle {
  text-align: center;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-top: -32px;
  margin-bottom: 48px;
}

.contact-form {
  max-width: 640px;
  margin: 0 auto;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

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

.form-group.full-width {
  margin-bottom: 28px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-main);
  font-size: 0.95rem;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-input-bg);
  color: var(--color-text);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
}

.form-group textarea {
  resize: vertical;
}

.contact-form .btn-primary {
  width: 100%;
  text-align: center;
  font-size: 1rem;
  padding: 15px;
}

/* ---- Footer ---- */

.footer {
  padding: 40px 24px;
  background: #0a0a0a;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer-logo {
  max-width: 140px;
  height: auto;
}

.footer-linkedin {
  color: #a0a0a0;
  transition: color 0.2s;
}

.footer-linkedin:hover {
  color: #ffffff;
}

.footer-linkedin svg {
  width: 22px;
  height: 22px;
  display: block;
}

.footer-copy {
  font-size: 0.8rem;
  color: #a0a0a0;
}

/* ---- Responsive ---- */

@media (max-width: 768px) {
  .hero {
    min-height: 80vh;
    padding: 60px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .problem,
  .why-fail,
  .approach,
  .how,
  .matrix-section,
  .contact {
    padding: 72px 20px;
  }

  .step {
    gap: 16px;
    padding: 24px 0;
  }

  .step-num {
    width: 38px;
    height: 38px;
    font-size: 1rem;
  }

  .matrix {
    grid-template-columns: 24px 1fr;
  }

  .matrix-grid {
    grid-template-columns: 1fr;
    grid-template-rows: repeat(4, auto);
  }

  .quad {
    min-height: 0;
  }

  .footer-inner {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }
}