:root {
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --primary: #2563eb;
  --primary-soft: rgba(37, 99, 235, 0.1);
  --accent: #2563eb;
  --text: #0f172a;
  --muted: #475569;
  --card-bg: #ffffff;
  --border: #e2e8f0;
  --radius: 14px;
  --shadow-soft: 0 16px 40px rgba(15, 23, 42, 0.12);
}

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

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: "Poppins", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(circle at top, rgba(37, 99, 235, 0.10) 0, #ffffff 38%, #ffffff 100%);
  color: var(--text);
  line-height: 1.7;
}

/* Layout */

.container {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(18px);
  background: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid var(--border);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.9rem 0;
}

.logo {
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  font-size: 0.9rem;
  color: var(--muted);
}

.logo span {
  color: var(--primary);
}

.main-nav {
  display: flex;
  gap: 1rem;
  font-size: 0.85rem;
}

.main-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.3rem 0.6rem;
  border-radius: 999px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.main-nav a:hover {
  color: var(--primary);
  background-color: var(--primary-soft);
}

.main-nav a.active {
  color: var(--primary);
  background-color: var(--primary-soft);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}

/* Hero */

.hero {
  padding: 4rem 0 3rem;
}

.hero-content {
  display: grid;
  grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
  gap: 2.5rem;
  align-items: center;
}

.hero-subtitle {
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  color: var(--primary);
  margin: 0 0 0.5rem;
}

.hero h1 {
  font-size: clamp(2.3rem, 4vw, 2.8rem);
  margin: 0 0 0.75rem;
  letter-spacing: 0.08em;
}

.hero h1 span {
  color: var(--primary);
}

.hero-description {
  color: var(--muted);
  font-size: 0.95rem;
  max-width: 38rem;
}

.hero-actions {
  margin-top: 1.5rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

/* Buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 500;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background-color 0.15s ease, border-color 0.15s ease;
}

.btn.primary {
  background: var(--primary);
  color: #eff6ff;
  box-shadow: 0 12px 24px rgba(37, 99, 235, 0.22);
}

.btn.primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 32px rgba(37, 99, 235, 0.28);
}

.btn.secondary {
  background-color: #ffffff;
  color: var(--primary);
  border-color: rgba(37, 99, 235, 0.35);
}

.btn.secondary:hover {
  background-color: var(--primary-soft);
  transform: translateY(-1px);
}

/* Hero side card */

.hero-side {
  display: flex;
  justify-content: flex-end;
}

.hero-card {
  background: #ffffff;
  border-radius: 20px;
  padding: 1.4rem 1.6rem;
  box-shadow: var(--shadow-soft);
  border: 1px solid var(--border);
  font-size: 0.9rem;
}

.hero-card p {
  margin: 0.2rem 0;
}

.hero-card a {
  color: var(--primary);
  text-decoration: none;
}

.hero-card a:hover {
  text-decoration: underline;
}

.hero-location {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

/* Sections */

.section {
  padding: 2.5rem 0;
}

.section h2 {
  font-size: 1.5rem;
  margin: 0 0 0.8rem;
}

.section-intro {
  max-width: 40rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.bullet-list {
  margin: 1rem 0 0.8rem;
  padding-left: 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

/* Cards grid */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.5rem;
}

.card {
  background-color: var(--card-bg);
  border-radius: var(--radius);
  padding: 1.2rem 1.3rem;
  border: 1px solid var(--border);
  box-shadow: 0 12px 26px rgba(15, 23, 42, 0.08);
}

.card h3 {
  margin-top: 0;
  margin-bottom: 0.6rem;
  font-size: 1.05rem;
}

.card p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--muted);
}

/* CV page */

.cv-sheet {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: 0 14px 38px rgba(15, 23, 42, 0.10);
  padding: 1.6rem 1.6rem 1.2rem;
}

.cv-header {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
  align-items: flex-start;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid var(--border);
}

.cv-title {
  margin: 0;
  letter-spacing: 0.06em;
}

.cv-role {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-weight: 500;
}

.cv-tagline {
  margin: 0.6rem 0 0;
  color: var(--muted);
  max-width: 44rem;
}

.cv-contact p {
  margin: 0.2rem 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.cv-contact a {
  color: var(--primary);
  text-decoration: none;
}

.cv-download {
  margin-top: 0.7rem;
  width: 100%;
}

.cv-grid {
  margin-top: 1.2rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
}

.cv-section h2 {
  margin: 0 0 0.7rem;
  font-size: 1.1rem;
}

.cv-section h3 {
  margin: 0.2rem 0 0.4rem;
  font-size: 1rem;
}

.cv-item {
  padding: 0.9rem 0;
  border-top: 1px dashed rgba(226, 232, 240, 0.95);
}

.cv-item:first-of-type {
  border-top: none;
  padding-top: 0;
}

.cv-item-head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: baseline;
  flex-wrap: wrap;
}

.cv-meta {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.cv-tech {
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.cv-list {
  margin: 0.6rem 0 0;
  padding-left: 1.2rem;
  color: var(--muted);
}

.cv-skills {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.cv-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.cv-tags li {
  background: var(--primary-soft);
  border: 1px solid rgba(37, 99, 235, 0.20);
  color: var(--primary);
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .cv-header {
    flex-direction: column;
  }

  .cv-download {
    width: fit-content;
  }

  .cv-skills {
    grid-template-columns: 1fr;
  }
}

/* Link cards */

.link-card {
  position: relative;
  padding-bottom: 2.6rem;
}

.card-link {
  position: absolute;
  left: 1.3rem;
  bottom: 1rem;
  font-size: 0.85rem;
  text-decoration: none;
  color: var(--primary);
}

.card-link:hover {
  text-decoration: underline;
}

/* Contact section */

.contact-section {
  border-top: 1px solid var(--border);
  background: linear-gradient(to top, rgba(37, 99, 235, 0.06), transparent);
}

.contact-grid {
  display: flex;
  justify-content: space-between;
  gap: 2rem;
}

.contact-list {
  list-style: none;
  padding-left: 0;
  margin: 1rem 0 1.2rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-list li + li {
  margin-top: 0.2rem;
}

.contact-list a {
  color: var(--primary);
  text-decoration: none;
}

/* Footer */

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.2rem 0 1.6rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
}

/* Contact form */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.form-group label {
  font-size: 0.85rem;
  color: var(--muted);
}

.form-group input,
.form-group textarea {
  background-color: #ffffff;
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: 0.55rem 0.7rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.4);
}

/* Responsive */

@media (max-width: 900px) {
  .hero-content {
    grid-template-columns: 1fr;
  }

  .hero-side {
    justify-content: flex-start;
  }

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

  .main-nav {
    display: none; /* plus tard : menu burger si tu veux */
  }
}

@media (max-width: 600px) {
  .hero {
    padding-top: 3rem;
  }

  .header-content {
    padding: 0.6rem 0;
  }
}