/* ======================================================
   DYLINE SMART — styles.css (Clean / Pro / AdSense-safe)
   - Dark theme (default) + Light theme toggle via data-theme="light"
   - Mobile menu drawer (not transparent + clickable)
   - Accessible focus styles, skip-link, readable contrasts
   - Responsive layout (mobile-first)
   ====================================================== */

/* ---------------------------
   1) CSS Variables / Themes
--------------------------- */
:root{
  /* Dark default */
  --bg: #050816;
  --bg2:#070b1f;

  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.72);
  --muted2: rgba(255,255,255,.58);

  --panel-bg: rgba(255,255,255,.07);
  --panel-bg-2: rgba(255,255,255,.10);
  --border: rgba(255,255,255,.14);

  --primary: #4ea1ff;
  --primary2: #7c3aed;
  --success: #22c55e;

  --shadow: 0 14px 44px rgba(0,0,0,.45);
  --shadow2: 0 18px 80px rgba(0,0,0,.65);

  --radius: 18px;
  --radius2: 24px;

  --max: 1180px;
  --ring: 0 0 0 4px rgba(78,161,255,.22);

  /* Mobile menu */
  --menu-bg: rgba(10, 14, 35, .94);
  --menu-item-bg: rgba(255,255,255,.08);
  --overlay: rgba(0,0,0,.55);

  color-scheme: dark;
}

/* Light theme override */
html[data-theme="light"]{
  color-scheme: light;

  --bg: #f6f8ff;
  --bg2:#eef2ff;

  --text: rgba(10,20,40,.94);
  --muted: rgba(10,20,40,.70);
  --muted2: rgba(10,20,40,.58);

  --panel-bg: rgba(255,255,255,.86);
  --panel-bg-2: rgba(255,255,255,.96);
  --border: rgba(10,20,40,.14);

  --shadow: 0 14px 44px rgba(10,20,40,.12);
  --shadow2: 0 18px 80px rgba(10,20,40,.18);

  --ring: 0 0 0 4px rgba(78,161,255,.22);

  --menu-bg: rgba(255,255,255,.96);
  --menu-item-bg: rgba(10,20,40,.06);
  --overlay: rgba(10,20,40,.35);
}

/* ---------------------------
   2) Base / Reset
--------------------------- */
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Noto Sans", Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  min-height:100vh;
  overflow-x:hidden;

  background:
    radial-gradient(1200px 700px at 15% 15%, rgba(78,161,255,.18), transparent 60%),
    radial-gradient(900px 500px at 85% 25%, rgba(124,58,237,.16), transparent 60%),
    radial-gradient(700px 600px at 70% 85%, rgba(34,197,94,.10), transparent 60%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg2) 100%);
}

img{ max-width:100%; height:auto; display:block; }
a{ color: inherit; text-decoration:none; }
p{ line-height:1.65; margin: 0 0 12px; }
h1,h2,h3,h4{ margin: 0 0 10px; letter-spacing:-.3px; }
ul{ margin: 0; padding-left: 18px; }
li{ line-height:1.55; }

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

/* ---------------------------
   3) Accessibility (WCAG)
--------------------------- */
.skip-link{
  position:absolute;
  left:-9999px;
  top: 10px;
  background:#fff;
  color:#000;
  padding:10px 14px;
  border-radius: 10px;
  z-index: 99999;
}
.skip-link:focus{ left: 12px; outline:none; }

:focus-visible{
  outline:none;
  box-shadow: var(--ring);
  border-radius: 12px;
}

/* ---------------------------
   4) Header / Navigation
--------------------------- */
.site-header{
  position: sticky;
  top:0;
  z-index: 9999;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: color-mix(in srgb, var(--bg) 75%, transparent);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 0;
}

.brand{
  display:flex;
  align-items:center;
  gap: 10px;
  min-width: 170px;
}
.brand-logo{
  height: 34px;
  width:auto;
  filter: drop-shadow(0 8px 20px rgba(78,161,255,.20));
}
.brand-name{
  font-weight: 800;
  font-size: 16px;
  opacity:.95;
}

/* Header actions (theme + hamburger) */
.header-actions{
  display:flex;
  align-items:center;
  gap: 10px;
}

/* Icon buttons */
.icon-btn{
  width: 42px;
  height: 42px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  color: var(--text);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition: .15s ease;
  user-select:none;
  box-shadow: 0 10px 30px rgba(0,0,0,.10);
}
.icon-btn:hover{
  background: var(--panel-bg-2);
  border-color: color-mix(in srgb, var(--primary) 45%, var(--border));
}
.icon-btn:active{ transform: scale(.98); }

/* Desktop nav */
.nav{
  display:flex;
  align-items:center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content:flex-end;
}
.nav a{
  font-size: 14px;
  color: color-mix(in srgb, var(--text) 85%, transparent);
  padding: 8px 10px;
  border-radius: 12px;
  transition: .18s ease;
  border: 1px solid transparent;
}
.nav a:hover{
  background: var(--panel-bg);
  border-color: var(--border);
}

/* ---------------------------
   5) Buttons
--------------------------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 14px;
  border: 1px solid color-mix(in srgb, var(--primary) 35%, var(--border));
  color: #07111f;
  background: linear-gradient(135deg, rgba(78,161,255,1), rgba(124,58,237,1));
  box-shadow: 0 10px 30px rgba(78,161,255,.16);
  font-weight: 800;
  cursor:pointer;
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease;
  white-space: nowrap;
}
.btn:hover{ transform: translateY(-1px); box-shadow: 0 16px 46px rgba(124,58,237,.18); filter:saturate(1.08); }
.btn:active{ transform: translateY(0) scale(.99); }

.btn-small{ padding: 9px 12px; border-radius: 12px; font-size: 13px; }
.btn-ghost{
  background: var(--panel-bg);
  color: var(--text);
  border: 1px solid var(--border);
  box-shadow:none;
}
.btn-ghost:hover{ background: var(--panel-bg-2); }

/* ---------------------------
   6) Typography helpers
--------------------------- */
.muted{ color: var(--muted); }
.lead{ color: color-mix(in srgb, var(--text) 90%, transparent); font-size: 16px; }
.tiny-note{ font-size: 12px; margin-top: 10px; color: var(--muted); }

.badge{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  font-size: 13px;
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  position: relative;
  overflow:hidden;
}

/* ---------------------------
   7) Layout sections
--------------------------- */
.section{ padding: 74px 0; position: relative; }
.section-alt{
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel-bg) 70%, transparent), transparent);
  border-top: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 70%, transparent);
}
.section-head{ margin-bottom: 22px; }
.section-head h1,.section-head h2{
  font-size: clamp(22px, 2.2vw, 30px);
}
.section-head p{ margin:0; }

/* Hero */
.hero{ padding: 68px 0 40px; position: relative; overflow:hidden; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.2fr .9fr;
  gap: 26px;
  align-items: start;
}
.hero-copy h1{
  font-size: clamp(30px, 3.2vw, 44px);
  line-height: 1.10;
}
.cta{ display:flex; gap: 12px; flex-wrap: wrap; margin: 18px 0; }

.hero-bg{
  position:absolute;
  inset: -200px -80px -200px -80px;
  pointer-events:none;
  background:
    radial-gradient(900px 500px at 25% 30%, rgba(78,161,255,.12), transparent 60%),
    radial-gradient(900px 500px at 75% 35%, rgba(124,58,237,.10), transparent 60%),
    radial-gradient(600px 700px at 60% 70%, rgba(34,197,94,.08), transparent 65%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.015) 0 1px, transparent 1px 60px),
    repeating-linear-gradient(0deg, rgba(255,255,255,.012) 0 1px, transparent 1px 60px);
  opacity: .65;
}

/* Panels / Cards */
.card, .panel{
  background: linear-gradient(180deg, var(--panel-bg-2), var(--panel-bg));
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
}
.panel{ padding: 18px; }
.card{ padding: 18px; }

hr{
  border: none;
  height:1px;
  background: color-mix(in srgb, var(--border) 80%, transparent);
  margin: 14px 0;
}

.grid-2{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items: start;
}

.cards{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.cards .card{
  transition: transform .18s ease, border-color .18s ease;
}
.cards .card:hover{
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
}

/* Stats */
.stats{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-top: 16px;
}
.stat{
  padding: 14px;
  border-radius: 16px;
  background: var(--panel-bg);
  border: 1px solid var(--border);
}
.stat-k{ display:block; color: var(--muted2); font-size: 12px; margin-bottom: 4px; }
.stat-v{ display:block; font-weight: 900; }

/* Lists */
.icon-list{
  list-style:none;
  padding:0;
  margin: 0 0 12px;
}
.icon-list li{
  display:flex;
  align-items:flex-start;
  gap: 10px;
  padding: 8px 0;
}
.dot{
  width: 8px;
  height: 8px;
  border-radius: 999px;
  margin-top: 7px;
  background: linear-gradient(135deg, var(--primary), var(--primary2));
  box-shadow: 0 0 0 4px rgba(78,161,255,.10);
}

.check-list{
  list-style:none;
  padding:0;
  margin: 10px 0 0;
}
.check-list li{
  position: relative;
  padding: 8px 0 8px 28px;
}
.check-list li::before{
  content:"✓";
  position:absolute;
  left:0;
  top: 7px;
  width: 20px;
  height: 20px;
  border-radius: 999px;
  display:flex;
  align-items:center;
  justify-content:center;
  color:#07111f;
  background: linear-gradient(135deg, var(--success), var(--primary));
  font-weight: 900;
  font-size: 12px;
}

.client-list{
  list-style:none;
  padding:0;
  margin: 0;
  display:grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}
.client-list li{
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--border);
  background: var(--panel-bg);
}

/* Contact */
.contact-lines{
  display:flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 12px;
}
.contact-lines a{
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  transition: .15s ease;
}
.contact-lines a:hover{
  background: var(--panel-bg-2);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
}

/* Forms */
.form{ display:flex; flex-direction: column; gap: 12px; }
label{ display:block; font-size: 13px; color: var(--muted); }
input, textarea{
  width: 100%;
  margin-top: 8px;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  color: var(--text);
  outline:none;
  transition: .15s ease;
}
textarea{ resize: vertical; min-height: 110px; }
input:focus, textarea:focus{
  border-color: color-mix(in srgb, var(--primary) 40%, var(--border));
  box-shadow: var(--ring);
}

/* Footer */
.footer{
  border-top: 1px solid var(--border);
  background: color-mix(in srgb, var(--panel-bg) 40%, transparent);
}
.footer-inner{
  display:flex;
  align-items:flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 0;
  font-size: 14px;
}
.footer-links{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}
.footer-links a{
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--panel-bg);
}
.footer-links a:hover{
  background: var(--panel-bg-2);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
}
.footer-top{
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--panel-bg);
  height: fit-content;
}
.footer-top:hover{
  background: var(--panel-bg-2);
  border-color: color-mix(in srgb, var(--primary) 35%, var(--border));
}

/* Popup */
.popup{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.58);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  z-index: 10000;
}
.popup.show{ display:flex; }
.popup-card{
  width: min(560px, 100%);
  background: var(--panel-bg-2);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 18px;
  box-shadow: var(--shadow2);
  backdrop-filter: blur(12px);
}

/* Hero meta */
.hero-meta{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 16px;
}
.meta-item{ display:flex; align-items:center; gap: 10px; flex-wrap: wrap; }
.meta-k{
  font-size: 12px;
  color: var(--muted2);
  text-transform: uppercase;
  letter-spacing: .12em;
}
.meta-v{ color: var(--text); font-weight: 800; }

/* ---------------------------
   8) Mobile menu overlay + drawer
--------------------------- */
.nav-overlay{
  display:none;              /* hidden by default */
  position: fixed;
  inset: 0;
  background: var(--overlay);
  z-index: 800;
}

/* hamburger hidden on desktop */
#menuBtn{ display:none; }

@media (max-width: 900px){
  #menuBtn{ display:inline-flex; }

  /* Drawer menu */
  .nav{
    position: fixed;
    top: 74px;
    left: 14px;
    right: 14px;
    display:flex;
    flex-direction: column;
    gap: 10px;
    padding: 14px;
    border-radius: 18px;

    background: var(--menu-bg);
    border: 1px solid var(--border);
    box-shadow: var(--shadow2);
    backdrop-filter: blur(14px);

    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: .18s ease;
    z-index: 900;           /* above overlay */
  }

  .nav a{
    width: 100%;
    text-align:center;
    padding: 12px 12px;
    border: 1px solid var(--border);
    background: var(--menu-item-bg);
    color: var(--text);
  }

  /* when open (JS adds body.nav-open) */
  body.nav-open .nav{
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  body.nav-open .nav-overlay{
    display:block;
  }

  /* bigger icon buttons on mobile */
  #menuBtn, #themeBtn{
    width: 46px;
    height: 46px;
    font-size: 18px;
  }
}

/* ---------------------------
   9) Article page helpers
--------------------------- */
.article-page .panel{
  max-width: 860px;
  margin: 0 auto;
}
.article-page .panel p{ font-size: 16px; }

/* ---------------------------
   10) Responsive layout
--------------------------- */
@media (max-width: 1024px){
  .hero-grid{ grid-template-columns: 1fr; gap: 18px; }
  .grid-2{ grid-template-columns: 1fr; }
  .cards{ grid-template-columns: repeat(2, 1fr); }
  .stats{ grid-template-columns: repeat(2, 1fr); }
  .client-list{ grid-template-columns: 1fr; }
}

@media (max-width: 640px){
  .container{ width: calc(100% - 22px); }
  .section{ padding: 54px 0; }
  .cards{ grid-template-columns: 1fr; }
  .panel, .card{ padding: 14px; border-radius: 18px; }
  .hero-copy h1{ font-size: 28px; line-height: 1.12; }
  input, textarea{ font-size: 16px; } /* iOS zoom fix */
  .footer-inner{ flex-direction: column; align-items: stretch; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ animation: none !important; transition: none !important; }
}
/* ======================================================
   BLOG TAGS — Tech / Startup pills
   (à coller en fin de styles.css)
   ====================================================== */

.blog-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:10px;
}

.tag-pill{
  appearance:none;
  border: 1px solid color-mix(in srgb, var(--primary) 35%, var(--border));
  background:
    radial-gradient(120px 60px at 20% 20%, rgba(78,161,255,.20), transparent 60%),
    radial-gradient(120px 60px at 80% 70%, rgba(124,58,237,.18), transparent 60%),
    linear-gradient(180deg, color-mix(in srgb, var(--panel-bg-2) 75%, transparent), var(--panel-bg));
  color: var(--text);
  padding: 10px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .2px;
  cursor:pointer;
  transition: transform .12s ease, border-color .12s ease, filter .12s ease, box-shadow .12s ease;
  box-shadow: 0 10px 28px rgba(0,0,0,.18);
  user-select:none;
}

.tag-pill:hover{
  transform: translateY(-1px);
  border-color: color-mix(in srgb, var(--primary) 65%, var(--border));
  filter: saturate(1.08);
}

.tag-pill:active{
  transform: translateY(0);
}

.tag-pill:focus-visible{
  box-shadow: var(--ring), 0 12px 30px rgba(78,161,255,.10);
}

.tag-pill.is-active{
  background:
    radial-gradient(140px 70px at 20% 20%, rgba(78,161,255,.35), transparent 60%),
    radial-gradient(140px 70px at 80% 70%, rgba(124,58,237,.30), transparent 60%),
    linear-gradient(135deg, rgba(78,161,255,.95), rgba(124,58,237,.95));
  color: #07111f;
  border-color: transparent;
  box-shadow: 0 16px 46px rgba(124,58,237,.22);
}

/* Option: compact on small screens */
@media (max-width: 640px){
  .tag-pill{ padding: 9px 11px; font-size: 12.5px; }
}

.logos{
  display:flex;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
  margin-top:18px;
}

.logo-pill{
  min-width:160px;
  height:72px;
  padding:12px 18px;
  border-radius:18px;
  border:1px solid var(--border);
  background:var(--panel-bg);
  display:flex;
  align-items:center;
  justify-content:center;
}

.logo-pill img{
  max-width:140px;
  max-height:46px;
  object-fit:contain;
}