/* ==========================================================================
   Kreative Studio — Design tokens
   Palette : encre profonde (#0A1726) + sable chaud (#d2b48c)
   Display : Fraunces (serif éditorial, chaleureux)
   Texte    : Inter
   Data/eyebrows : IBM Plex Mono
   Signature : la "courbe de croissance" qui relie Visibilité → Trafic → Leads → Clients
   ========================================================================== */

:root {
  --color-bg: #0A1726;
  --color-bg-elevated: #11203A;
  --color-bg-elevated-2: #16294A;
  --color-accent: #d2b48c;
  --color-accent-soft: #e8d9c2;
  --color-text: #F3EEE3;
  --color-text-muted: #8FA0BC;
  --color-border: rgba(210, 180, 140, 0.18);

  --font-display: 'Fraunces', 'Georgia', serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 22px;

  --container-width: 1140px;
}

/* ---- Reset --------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4 { font-family: var(--font-display); margin: 0 0 0.5em; line-height: 1.15; font-weight: 600; }
p { margin: 0 0 1em; }

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; animation-iteration-count: 1 !important; transition-duration: 0.001ms !important; scroll-behavior: auto !important; }
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ---- Buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn--primary { background: var(--color-accent); color: var(--color-bg); }
.btn--primary:hover { transform: translateY(-2px); background: var(--color-accent-soft); }
.btn--ghost { border-color: var(--color-border); color: var(--color-text); }
.btn--ghost:hover { border-color: var(--color-accent); color: var(--color-accent); }
.btn--block { width: 100%; }

/* ---- Header --------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 23, 38, 0.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.brand__mark { flex-shrink: 0; }
.brand__dot { color: var(--color-accent); }

.nav { display: flex; align-items: center; gap: 32px; }
.nav__links { display: flex; gap: 28px; font-size: 0.95rem; }
.nav__links a { color: var(--color-text-muted); transition: color 0.15s ease; position: relative; }
.nav__links a:hover, .nav__links a.is-active { color: var(--color-text); }
.nav__links a.is-active::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -8px;
  height: 2px;
  background: var(--color-accent);
}
.nav__panel { display: flex; align-items: center; gap: 32px; }
.nav__toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: 6px;
  align-items: center;
  justify-content: center;
}

@media (max-width: 760px) {
  .nav__toggle { display: flex; }
  .nav__panel {
    position: absolute;
    top: calc(100% + 1px);
    right: 0;
    left: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    padding: 24px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, visibility 0s linear 0.25s;
  }
  .nav__panel.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }
  .nav__links { flex-direction: column; gap: 16px; }
  .nav__cta { display: inline-flex; width: 100%; justify-content: center; }
}

/* ---- Hero ------------------------------------------------------------------ */
.hero {
  position: relative;
  padding: 96px 0 64px;
  overflow: hidden;
}
.hero__grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; }
}
.hero__title {
  font-size: clamp(2.4rem, 4.4vw, 3.6rem);
  margin-bottom: 0.4em;
}
.hero__title em {
  font-style: normal;
  color: var(--color-accent);
}
.hero__lede {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 480px;
  margin-bottom: 2em;
}
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* Growth-curve signature element */
.growth-curve { width: 100%; height: auto; }
.growth-curve__path {
  stroke-dasharray: 600;
  stroke-dashoffset: 600;
  animation: draw 1.8s ease forwards 0.2s;
}
.growth-curve__point {
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}
.growth-curve__point:nth-of-type(1) { animation-delay: 0.5s; }
.growth-curve__point:nth-of-type(2) { animation-delay: 0.9s; }
.growth-curve__point:nth-of-type(3) { animation-delay: 1.3s; }
.growth-curve__point:nth-of-type(4) { animation-delay: 1.7s; }
@keyframes draw { to { stroke-dashoffset: 0; } }
@keyframes fadeIn { to { opacity: 1; } }
.growth-curve__label {
  font-family: var(--font-mono);
  font-size: 11px;
  fill: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.growth-curve__value {
  font-family: var(--font-display);
  font-size: 17px;
  fill: var(--color-text);
}

/* ---- Sections --------------------------------------------------------------- */
.section { padding: 80px 0; }
.section--alt { background: var(--color-bg-elevated); }
.section__head { max-width: 620px; margin-bottom: 48px; }
.section__head h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }
.section__head p { color: var(--color-text-muted); }

/* ---- Services grid --------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
@media (max-width: 900px) { .services-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .services-grid { grid-template-columns: 1fr; } }

.service-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.service-card:hover { border-color: var(--color-accent); transform: translateY(-4px); }
.service-card__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: rgba(210, 180, 140, 0.12);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px;
  color: var(--color-accent);
}
.service-card h3 { font-size: 1.2rem; margin-bottom: 0.4em; }
.service-card p { color: var(--color-text-muted); font-size: 0.95rem; margin-bottom: 1.2em; }
.service-card__price {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--color-accent);
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s ease, color 0.15s ease;
}
.service-card__price:hover { border-color: var(--color-accent); color: var(--color-accent-soft); }

/* ---- About / split sections --------------------------------------------------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
@media (max-width: 860px) { .split { grid-template-columns: 1fr; } }
.stat-row { display: flex; gap: 36px; margin-top: 32px; flex-wrap: wrap; }
.stat-row__item { font-family: var(--font-mono); }
.stat-row__number { font-family: var(--font-display); font-size: 1.8rem; color: var(--color-accent); display: block; }
.stat-row__label { font-size: 0.78rem; color: var(--color-text-muted); text-transform: uppercase; letter-spacing: 0.06em; }

.value-list { display: flex; flex-direction: column; gap: 18px; }
.value-list li { display: flex; gap: 16px; align-items: flex-start; }
.value-list .tick {
  flex-shrink: 0; width: 26px; height: 26px; border-radius: 50%;
  background: rgba(210,180,140,0.15); color: var(--color-accent);
  display: flex; align-items: center; justify-content: center; font-size: 14px; margin-top: 2px;
}

/* ---- CTA band ----------------------------------------------------------------- */
.cta-band {
  background: linear-gradient(135deg, var(--color-bg-elevated), var(--color-bg-elevated-2));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 56px;
  text-align: center;
}
.cta-band h2 { font-size: clamp(1.6rem, 2.6vw, 2.1rem); margin-bottom: 0.3em; }
.cta-band p { color: var(--color-text-muted); margin-bottom: 1.6em; }

/* ---- Footer --------------------------------------------------------------------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0 32px;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}
.site-footer__inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.site-footer__brand { font-family: var(--font-display); color: var(--color-text); font-size: 1.05rem; }
.site-footer__links { display: flex; gap: 24px; }

/* ---- Contact form ---------------------------------------------------------------- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 56px;
}
@media (max-width: 860px) { .contact-layout { grid-template-columns: 1fr; } }
.contact-info__item { margin-bottom: 28px; }
.contact-info__item .eyebrow { display: block; margin-bottom: 6px; }

.form-card {
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
}
.form-row { margin-bottom: 20px; display: flex; flex-direction: column; gap: 8px; }
.form-row label { font-size: 0.85rem; color: var(--color-text-muted); }
.form-row input, .form-row textarea {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  resize: vertical;
}
.form-row input:focus, .form-row textarea:focus { border-color: var(--color-accent); outline: none; }
.form-errors { color: #e8a3a3; font-size: 0.82rem; margin-top: 4px; }

.alert { padding: 14px 18px; border-radius: var(--radius-sm); margin-bottom: 20px; font-size: 0.92rem; }
.alert--success { background: rgba(120, 200, 150, 0.12); border: 1px solid rgba(120, 200, 150, 0.35); color: #bfe8cc; }
.alert--error { background: rgba(220, 110, 110, 0.12); border: 1px solid rgba(220, 110, 110, 0.35); color: #f0bcbc; }

/* ---- Auth screen (admin login) ---------------------------------------------------- */
.auth-screen { min-height: 80vh; display: flex; align-items: center; justify-content: center; padding: 40px 20px; }
.auth-card {
  width: 100%; max-width: 380px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  display: flex; flex-direction: column; gap: 14px;
}
.auth-card__title { font-size: 1.5rem; margin-bottom: 0; }
.auth-card__subtitle { color: var(--color-text-muted); font-size: 0.9rem; margin-bottom: 8px; }
.auth-card label { font-size: 0.85rem; color: var(--color-text-muted); }
.auth-card input {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 11px 14px;
  color: var(--color-text);
  font-family: var(--font-body);
}