/* ============================================
   benhafed.com — styles.css
   Palette : slate/indigo · DM Serif + DM Sans
   ============================================ */

/* ---- CSS Variables ---- */
:root {
  /* Light mode (default) */
  --bg:         #f7f9fc;
  --bg-2:       #edf2f7;
  --bg-card:    #ffffff;
  --text:       #1a202c;
  --text-2:     #4a5568;
  --text-3:     #718096;
  --accent:     #667eea;
  --accent-2:   #4a6cf7;
  --accent-rgb: 102, 126, 234;
  --border:     #cbd5e0;
  --border-2:   #e2e8f0;
  --shadow:     0 1px 3px rgba(0,0,0,0.08), 0 4px 16px rgba(0,0,0,0.06);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.10);

  /* Shared */
  --radius:     10px;
  --radius-lg:  16px;
  --transition: 0.22s ease;
  --max-w:      1100px;
}

[data-theme="dark"] {
  --bg:         #1a202c;
  --bg-2:       #2d3748;
  --bg-card:    #242c3a;
  --text:       #f7fafc;
  --text-2:     #cbd5e0;
  --text-3:     #718096;
  --accent:     #667eea;
  --accent-2:   #76e4f7;
  --accent-rgb: 102, 126, 234;
  --border:     #4a5568;
  --border-2:   #2d3748;
  --shadow:     0 1px 3px rgba(0,0,0,0.3), 0 4px 16px rgba(0,0,0,0.2);
  --shadow-lg:  0 8px 32px rgba(0,0,0,0.35);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ---- Container ---- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
}

/* ============================================
   NAV  — toujours dark (fil rouge blog + CV)
   ============================================ */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: #1a202c;
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: box-shadow var(--transition);
}

.nav.scrolled {
  box-shadow: 0 2px 16px rgba(0,0,0,0.35);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 2rem;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.nav-logo {
  font-family: 'DM Serif Display', serif;
  font-size: 1.25rem;
  color: #ffffff;
  letter-spacing: 0.04em;
  flex-shrink: 0;
  opacity: 0.92;
  transition: opacity var(--transition);
}

.nav-logo:hover { opacity: 1; }

.nav-links {
  display: flex;
  gap: 0.25rem;
  flex: 1;
  justify-content: center;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  padding: 0.4rem 0.9rem;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.nav-link:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.08);
}

.nav-link.active {
  color: var(--accent);
  background: rgba(102,126,234,0.15);
}


.nav-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* Lang switch */
.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.82rem;
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  color: rgba(255,255,255,0.45);
  padding: 0.2rem 0.3rem;
  border-radius: 4px;
  transition: color var(--transition);
}

.lang-btn.active { color: var(--accent); }
.lang-btn:hover  { color: rgba(255,255,255,0.9); }

.lang-sep { color: rgba(255,255,255,0.2); font-size: 0.7rem; }

/* Theme toggle */
.theme-toggle {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.theme-toggle:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.22);
}

.theme-icon {
  position: absolute;
  font-size: 1rem;
  line-height: 1;
  color: rgba(255,255,255,0.75);
  transition: opacity 0.2s, transform 0.3s;
}

.theme-icon--light { opacity: 1; transform: translateY(0) rotate(0deg); }
.theme-icon--dark  { opacity: 0; transform: translateY(8px) rotate(-20deg); }

[data-theme="dark"] .theme-icon--light {
  opacity: 0; transform: translateY(-8px) rotate(20deg);
}
[data-theme="dark"] .theme-icon--dark {
  opacity: 1; transform: translateY(0) rotate(0deg);
}

/* Burger */
.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.burger span {
  display: block;
  width: 22px; height: 2px;
  background: rgba(255,255,255,0.75);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile menu */
.mobile-menu {
  display: none;
  flex-direction: column;
  background: #1a202c;
  border-top: 1px solid rgba(255,255,255,0.07);
  padding: 0.75rem 2rem;
  gap: 0.25rem;
}

.mobile-menu.open { display: flex; }

.mobile-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  padding: 0.5rem 0.5rem;
  border-radius: 6px;
  transition: color var(--transition), background var(--transition);
}

.mobile-link:hover {
  color: #ffffff;
  background: rgba(255,255,255,0.08);
}

.mobile-link.active {
  color: var(--accent);
  background: rgba(102,126,234,0.15);
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8rem 2rem 6rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* Subtle dot grid */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 32px 32px;
  opacity: 0.5;
}

/* Soft orbs */
.hero-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}

.hero-orb--1 {
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(102,126,234,0.18) 0%, transparent 70%);
  top: -100px; right: -80px;
}

.hero-orb--2 {
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(74,108,247,0.12) 0%, transparent 70%);
  bottom: 0; left: -80px;
}

[data-theme="dark"] .hero-orb--1 {
  background: radial-gradient(circle, rgba(102,126,234,0.25) 0%, transparent 70%);
}
[data-theme="dark"] .hero-orb--2 {
  background: radial-gradient(circle, rgba(118,228,247,0.12) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 5rem;
  max-width: 960px;
  width: 100%;
  animation: fadeUp 0.7s ease both;
}

.hero-text {
  flex: 1;
  min-width: 0;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  animation: fadeUp 0.7s 0.1s ease both;
}

/* Photo */
.hero-photo {
  flex-shrink: 0;
  animation: fadeUp 0.7s 0.05s ease both;
}

.hero-avatar {
  width: 280px;
  height: 280px;
  border-radius: 50%;
  object-fit: cover;
  object-position: center top;
  border: 3px solid var(--accent);
  box-shadow: 0 0 0 6px rgba(102, 126, 234, 0.12), 0 20px 60px rgba(0, 0, 0, 0.15);
  display: block;
}

[data-theme="dark"] .hero-avatar {
  box-shadow: 0 0 0 6px rgba(102, 126, 234, 0.2), 0 20px 60px rgba(0, 0, 0, 0.4);
}

.eyebrow-dot {
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
}

.hero-title {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  margin-bottom: 1rem;
  animation: fadeUp 0.7s 0.15s ease both;
}

.hero-name {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.6rem, 6vw, 4.2rem);
  line-height: 1.1;
  color: var(--text);
  letter-spacing: -0.02em;
}

.hero-role {
  font-family: 'DM Serif Display', serif;
  font-style: italic;
  font-size: clamp(1.4rem, 3vw, 2rem);
  color: var(--accent);
  line-height: 1.2;
}

.hero-sub {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-3);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 2.5rem;
  animation: fadeUp 0.7s 0.2s ease both;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  justify-content: flex-start;
  flex-wrap: wrap;
  animation: fadeUp 0.7s 0.25s ease both;
}

/* Scroll hint */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.7rem;
  font-weight: 500;
  color: var(--text-3);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  animation: fadeUp 0.7s 0.4s ease both;
}

.scroll-line {
  width: 1px; height: 32px;
  background: linear-gradient(to bottom, var(--accent), transparent);
  animation: scrollPulse 1.8s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 1; transform: scaleY(1); }
  50% { opacity: 0.4; transform: scaleY(0.6); }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.7rem 1.6rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-weight: 600;
  font-family: 'DM Sans', sans-serif;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 2px 8px rgba(var(--accent-rgb), 0.35);
}

.btn--primary:hover {
  background: var(--accent-2);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.4);
}

.btn--ghost {
  background: transparent;
  color: var(--text-2);
  border: 1px solid var(--border);
}

.btn--ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(var(--accent-rgb), 0.06);
}

.btn--full { width: 100%; justify-content: center; }

/* ============================================
   SECTION LABEL
   ============================================ */
.section-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 2rem;
}

.label-line {
  display: block;
  width: 32px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
  flex-shrink: 0;
}

/* ============================================
   ABOUT
   ============================================ */
.about {
  padding: 6rem 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 4rem;
  align-items: start;
  margin-bottom: 5rem;
}

.about-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.2;
  color: var(--text);
  margin-bottom: 1.5rem;
  letter-spacing: -0.01em;
}

.about-text {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  color: var(--text-2);
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 2rem;
}

/* Pills sidebar */
.pill-group {
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  position: sticky;
  top: 84px;
}

.pill-section { display: flex; flex-direction: column; gap: 0.6rem; }

.pill-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.pill {
  display: inline-block;
  padding: 0.3rem 0.75rem;
  background: var(--bg-2);
  color: var(--text-2);
  border: 1px solid var(--border-2);
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 500;
  transition: var(--transition);
}

.pill--accent {
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.25);
}

/* Timeline */
.timeline-section { padding-top: 1rem; }

.timeline {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  padding-left: 1rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 80px;
  top: 0; bottom: 0;
  width: 1px;
  background: var(--border-2);
}

.timeline-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 1.5rem;
  align-items: center;
  padding: 1rem 0;
  position: relative;
}

.timeline-item::after {
  content: '';
  position: absolute;
  left: calc(80px - 4px);
  top: 50%;
  transform: translateY(-50%);
  width: 9px; height: 9px;
  background: var(--bg);
  border: 2px solid var(--accent);
  border-radius: 50%;
  z-index: 1;
}

.timeline-year {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-3);
  text-align: right;
  padding-right: 0.5rem;
  letter-spacing: 0.02em;
}

.timeline-body { padding-left: 1.5rem; }

.timeline-co {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.timeline-role {
  font-size: 0.95rem;
  color: var(--text);
  font-weight: 400;
}

/* ============================================
   PAGE HEADER (Contact)
   ============================================ */
.page-header {
  position: relative;
  padding: 8rem 0 4rem;
  overflow: hidden;
  border-bottom: 1px solid var(--border-2);
}

.page-header-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-title {
  font-family: 'DM Serif Display', serif;
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  color: var(--text);
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
}

.page-sub {
  font-size: 1.05rem;
  color: var(--text-2);
  max-width: 560px;
}

/* ============================================
   CONTACT
   ============================================ */
.contact-section { padding: 5rem 0; }

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}

.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-2);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  transition: var(--transition);
  cursor: pointer;
  box-shadow: var(--shadow);
}

.contact-card:hover {
  border-color: rgba(var(--accent-rgb), 0.4);
  transform: translateX(4px);
  box-shadow: var(--shadow-lg);
}

.contact-card-icon {
  width: 40px; height: 40px;
  background: rgba(var(--accent-rgb), 0.1);
  color: var(--accent);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
  letter-spacing: 0.02em;
}

.contact-card-body { flex: 1; }

.contact-card-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.contact-card-sub {
  font-size: 0.78rem;
  color: var(--text-3);
}

.contact-card-arrow {
  color: var(--text-3);
  transition: transform var(--transition), color var(--transition);
}

.contact-card:hover .contact-card-arrow {
  transform: translateX(4px);
  color: var(--accent);
}

.contact-note {
  font-size: 0.85rem;
  color: var(--text-3);
  line-height: 1.6;
  border-left: 2px solid var(--border);
  padding-left: 1rem;
}

/* Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-2);
  letter-spacing: 0.04em;
}

.form-input {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 0.9rem;
  font-family: 'DM Sans', sans-serif;
  font-size: 0.9rem;
  color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  width: 100%;
}

.form-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-select { cursor: pointer; }

.form-note {
  font-size: 0.78rem;
  color: var(--text-3);
  text-align: center;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
  border-top: 1px solid var(--border-2);
  padding: 2rem 0;
  background: var(--bg);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-name {
  font-family: 'DM Serif Display', serif;
  font-size: 1rem;
  color: var(--text-2);
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--text-3);
  transition: color var(--transition);
}

.footer-links a:hover { color: var(--accent); }

.footer-copy {
  font-size: 0.8rem;
  color: var(--text-3);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }

  .pill-group { position: static; }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
}

@media (max-width: 760px) {
  .hero-content {
    flex-direction: column-reverse;
    text-align: center;
    gap: 2.5rem;
  }

  .hero-title { align-items: center; }
  .hero-cta { justify-content: center; }

  .hero-avatar {
    width: 160px;
    height: 160px;
  }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .burger { display: flex; }

  .container { padding: 0 1.25rem; }

  .hero { padding: 6rem 1.25rem 4rem; }

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

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

  .timeline::before { left: 70px; }
  .timeline-item { grid-template-columns: 70px 1fr; }
  .timeline-item::after { left: calc(70px - 4px); }
}