/* Google Fonts - Playfair Display */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;700&display=swap');

/* ===========================
   CSS Variables
   =========================== */
:root {
  --color-primary: #1B3A5C;
  --color-gray-light: #C0C0C0;
  --color-gray-medium: #666666;
  --color-white: #ffffff;
  --color-bg: #f9f9f9;
  --color-error: #c0392b;
  --color-success: #1a7a42;
  --color-ai-bg: #f0f4f8;
  --color-ai-border: #d0d8e0;
  --font-serif: 'Playfair Display', Georgia, serif;
}

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

html {
  height: 100%;
}

body {
  font-family: var(--font-serif);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-primary);
  background-color: var(--color-bg);
  min-height: 100%;
  display: flex;
  flex-direction: column;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ===========================
   Screen Reader Only
   =========================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===========================
   Layout - Full Page Centering
   =========================== */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.5rem;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  width: 100%;
}

/* ===========================
   Logo / Brand Identity
   =========================== */
.logo {
  margin-bottom: 2.5rem;
}

.logo-name {
  font-family: var(--font-serif);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.3em;
  margin-bottom: 0.5rem;
}

.logo-separator {
  border: none;
  border-top: 1px solid var(--color-gray-light);
  width: 80px;
  margin: 0.5rem auto;
}

.logo-consulting {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-primary);
  letter-spacing: 0.4em;
  margin-top: 0.5rem;
}

.logo-tagline {
  font-size: 0.9rem;
  color: var(--color-gray-medium);
  margin-top: 0.75rem;
  letter-spacing: 0.1em;
}

/* ===========================
   Hero Section
   =========================== */
.hero {
  margin-bottom: 2.5rem;
}

.hero h1 {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.hero-description {
  font-size: 1rem;
  color: var(--color-gray-medium);
  line-height: 1.7;
  max-width: 550px;
  margin: 0 auto;
}

/* ===========================
   Status Badge (replaces countdown)
   =========================== */
.status-badge {
  margin-bottom: 2.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.5rem;
  border: 1px solid var(--color-gray-light);
  border-radius: 50px;
  background-color: var(--color-white);
}

.badge-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background-color: #e8a838;
  animation: pulse 1.5s ease-in-out infinite;
}

.badge-text {
  font-size: 0.9rem;
  color: var(--color-gray-medium);
  letter-spacing: 0.02em;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* ===========================
   Email Form
   =========================== */
.email-form {
  margin-bottom: 2.5rem;
  width: 100%;
  max-width: 480px;
}

.form-group {
  display: flex;
  gap: 0;
}

.form-group input[type="email"] {
  flex: 1;
  padding: 0.75rem 1rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--color-primary);
  background-color: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-right: none;
  border-radius: 4px 0 0 4px;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-group input[type="email"]::placeholder {
  color: var(--color-gray-light);
}

.form-group input[type="email"]:focus {
  border-color: var(--color-primary);
}

.form-group button {
  padding: 0.75rem 1.5rem;
  font-family: var(--font-serif);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  background-color: var(--color-primary);
  border: 1px solid var(--color-primary);
  border-radius: 0 4px 4px 0;
  cursor: pointer;
  transition: background-color 0.2s ease, opacity 0.2s ease;
  white-space: nowrap;
}

.form-group button:hover {
  opacity: 0.9;
}

.form-group button:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.form-feedback {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  min-height: 1.4em;
}

.form-feedback.success {
  color: var(--color-success);
}

.form-feedback.error {
  color: var(--color-error);
}

/* ===========================
   AI Consulting Section
   =========================== */
.ai-consulting {
  margin-bottom: 2.5rem;
  width: 100%;
  max-width: 480px;
}

.ai-consulting-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background-color: var(--color-ai-bg);
  border: 1px solid var(--color-ai-border);
  border-radius: 6px;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  transition: background-color 0.2s ease, border-color 0.2s ease;
}

.ai-consulting-link:hover {
  background-color: #e4eaf0;
  border-color: var(--color-primary);
}

.ai-consulting-link:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.ai-consulting-arrow {
  flex-shrink: 0;
  transition: transform 0.2s ease;
}

.ai-consulting-link:hover .ai-consulting-arrow {
  transform: translateX(4px);
}

/* ===========================
   Footer & Social Links
   =========================== */
.footer {
  padding: 1.5rem;
  text-align: center;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.25rem;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-gray-medium);
  border-radius: 50%;
  transition: color 0.2s ease, background-color 0.2s ease;
  text-decoration: none;
}

.social-links a:hover {
  color: var(--color-primary);
  background-color: var(--color-ai-bg);
}

.social-links a:focus {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.social-links svg {
  width: 20px;
  height: 20px;
}

/* ===========================
   Responsive — Tablette (768px–1024px)
   =========================== */
@media (max-width: 1024px) {
  main {
    padding: 2rem 1.25rem;
  }

  .logo-name {
    font-size: 2rem;
    letter-spacing: 0.25em;
  }

  .logo-consulting {
    font-size: 1.05rem;
    letter-spacing: 0.3em;
  }

  .hero h1 {
    font-size: 1.5rem;
  }
}

/* ===========================
   Responsive — Mobile (< 768px)
   =========================== */
@media (max-width: 767px) {
  main {
    padding: 1.5rem 1rem;
  }

  .logo {
    margin-bottom: 2rem;
  }

  .logo-name {
    font-size: 1.6rem;
    letter-spacing: 0.2em;
  }

  .logo-consulting {
    font-size: 0.95rem;
    letter-spacing: 0.25em;
  }

  .logo-tagline {
    font-size: 0.85rem;
  }

  .hero {
    margin-bottom: 2rem;
  }

  .hero h1 {
    font-size: 1.3rem;
  }

  .hero-description {
    font-size: 0.95rem;
  }

  .email-form {
    margin-bottom: 2rem;
  }

  .form-group {
    flex-direction: column;
    gap: 0.5rem;
  }

  .form-group input[type="email"] {
    border-right: 1px solid var(--color-gray-light);
    border-radius: 4px;
  }

  .form-group button {
    border-radius: 4px;
  }

  .ai-consulting {
    margin-bottom: 2rem;
  }

  .ai-consulting-link {
    padding: 0.85rem 1.25rem;
    font-size: 0.95rem;
  }
}