:root {
  --bg: #f6f3ee;
  --surface: #ffffff;
  --text: #171717;
  --muted: #6c675f;
  --line: #e3ddd4;
  --accent: #c88a18;
  --accent-soft: #efe2cb;
  --button: #111317;
  --button-text: #ffffff;
  --shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
  --radius-xl: 28px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --container: 1280px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  max-width: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.5;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  text-decoration: none;
}

.container {
  width: min(var(--container), calc(100vw - 40px));
  margin: 0 auto;
}

.site-header {
  padding: 22px 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 16px;
  min-width: 0;
}

.brand-logo {
  width: 74px;
  height: 74px;
  object-fit: contain;
  flex-shrink: 0;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.brand-name {
  font-size: 2.8rem;
  line-height: 1;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.brand-tagline {
  font-size: 1.1rem;
  color: var(--muted);
}

.header-link {
  font-size: 1rem;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
}

.hero-section {
  padding: 20px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  align-items: center;
  gap: 48px;
}

.hero-copy {
  padding: 10px 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  background: var(--accent-soft);
  color: #7d5614;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 22px;
}

.hero-copy h1 {
  margin: 0 0 18px;
  font-size: clamp(3rem, 6vw, 2.25rem);
  line-height: 0.96;
  letter-spacing: -0.06em;
  max-width: 720px;
}

.hero-description {
  margin: 0 0 28px;
  font-size: 1.28rem;
  color: var(--muted);
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 16px;
}

.hero-note {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.hero-image-card {
  background: var(--surface);
  border: 1px solid rgba(0, 0, 0, 0.03);
  border-radius: var(--radius-xl);
  padding: 18px;
  box-shadow: var(--shadow);
}

.hero-image {
  width: 100%;
  border-radius: 18px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 24px;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 700;
  transition: transform 0.15s ease, opacity 0.15s ease, background 0.15s ease;
}

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

.btn-primary {
  background: var(--button);
  color: var(--button-text);
  border: none;
}

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--line);
}

.info-section {
  padding: 10px 0 56px;
}

.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

.info-card {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
}

.info-card h3 {
  margin: 0 0 10px;
  font-size: 1.2rem;
  letter-spacing: -0.02em;
}

.info-card p {
  margin: 0;
  color: var(--muted);
  font-size: 1rem;
}

.signup-section {
  padding: 12px 0 72px;
}

.signup-wrap {
  display: flex;
  justify-content: center;
}

.signup-card {
  width: min(860px, 100%);
  background: var(--surface);
  border: 1px solid rgba(0, 0, 0, 0.04);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  padding: 36px;
}

.signup-card h2 {
  margin: 0 0 10px;
  text-align: center;
  font-size: clamp(2rem, 4vw, 2.8rem);
  letter-spacing: -0.04em;
}

.signup-subtitle {
  margin: 0 0 24px;
  text-align: center;
  color: var(--muted);
  font-size: 1.08rem;
}

.signup-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.signup-form input {
  width: 100%;
  min-height: 56px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0 16px;
  font-size: 1rem;
  outline: none;
}

.signup-form input:focus {
  border-color: #c7a163;
  box-shadow: 0 0 0 4px rgba(200, 138, 24, 0.12);
}

.signup-form input[name="portfolioUrl"] {
  grid-column: 1 / -1;
}

.form-submit {
  grid-column: 1 / -1;
  border: none;
  cursor: pointer;
}

.success-message {
  grid-column: 1 / -1;
  text-align: center;
  margin: 4px 0 0;
  min-height: 24px;
  color: #127a42;
  font-weight: 600;
}

@media (max-width: 1100px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .hero-copy {
    text-align: center;
  }

  .hero-description {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-copy h1 {
    max-width: none;
  }

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

@media (max-width: 720px) {
  .container {
    width: calc(100vw - 24px);
  }

  .site-header {
    padding: 16px 0;
  }

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-logo {
    width: 60px;
    height: 60px;
  }

  .brand-name {
    font-size: 2rem;
  }

  .brand-tagline {
    font-size: 0.98rem;
  }

  .hero-section {
    padding: 8px 0 28px;
  }

  .hero-copy h1 {
    font-size: 2.75rem;
  }

  .hero-description {
    font-size: 1.06rem;
  }

  .hero-image-card {
    padding: 12px;
    border-radius: 20px;
  }

  .signup-card {
    padding: 24px 18px;
    border-radius: 22px;
  }

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

  .signup-form input[name="portfolioUrl"],
  .form-submit,
  .success-message {
    grid-column: auto;
  }
}