/* ==========================================================================
   revenu-a-vie.com — "Fintech Clean"
   Style finance moderne et tech — Vert argent + Gris fonce
   ========================================================================== */

:root {
  --revenu-green: #10B981;
  --revenu-green-light: #34D399;
  --revenu-green-dark: #059669;
  --revenu-green-bg: rgba(16, 185, 129, 0.08);
  --revenu-green-glow: rgba(16, 185, 129, 0.25);
  --revenu-dark: #111827;
  --revenu-dark-mid: #1F2937;
  --revenu-dark-light: #374151;
  --revenu-white: #FFFFFF;
  --revenu-gray-bg: #F3F4F6;
  --revenu-gray: #9CA3AF;
  --revenu-gray-dark: #6B7280;
  --revenu-text: #1F2937;
  --revenu-text-light: #6B7280;
  --revenu-transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --revenu-max-width: 1200px;
  --revenu-radius: 12px;
  --revenu-radius-sm: 8px;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--revenu-text);
  background: var(--revenu-gray-bg);
  line-height: 1.7;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--revenu-transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-weight: 700;
  line-height: 1.25;
  color: var(--revenu-text);
}

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

/* ---- Header ---- */
.revenu-header {
  background: var(--revenu-dark);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.revenu-header__brand {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--revenu-white);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.revenu-header__brand-icon {
  width: 28px;
  height: 28px;
  background: var(--revenu-green);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--revenu-white);
  font-weight: 800;
  font-size: 0.85rem;
}

.revenu-header__nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.revenu-header__nav a {
  color: var(--revenu-gray);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 0.4rem 1rem;
  border-radius: var(--revenu-radius-sm);
  transition: color var(--revenu-transition), background var(--revenu-transition);
}

.revenu-header__nav a:hover {
  color: var(--revenu-green);
  background: rgba(16, 185, 129, 0.08);
}

.revenu-header__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.revenu-header__hamburger span {
  width: 22px;
  height: 2px;
  background: var(--revenu-green);
  border-radius: 2px;
}

/* ---- Hero ---- */
.revenu-hero {
  background: var(--revenu-dark);
  padding: 5rem 2rem 4rem;
  position: relative;
  overflow: hidden;
}

.revenu-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
}

.revenu-hero__inner {
  max-width: var(--revenu-max-width);
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 1;
}

.revenu-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--revenu-green-bg);
  color: var(--revenu-green);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  margin-bottom: 1.5rem;
  border: 1px solid rgba(16, 185, 129, 0.15);
  animation: revenu-slideUp 0.6s ease both;
}

.revenu-hero__badge-dot {
  width: 6px;
  height: 6px;
  background: var(--revenu-green);
  border-radius: 50%;
  animation: revenu-blink 2s ease-in-out infinite;
}

.revenu-hero__title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  color: var(--revenu-white);
  margin-bottom: 1rem;
  animation: revenu-slideUp 0.6s ease 0.1s both;
}

.revenu-hero__title span {
  color: var(--revenu-green);
}

.revenu-hero__subtitle {
  font-size: 1.1rem;
  color: var(--revenu-gray);
  max-width: 560px;
  margin: 0 auto 2.5rem;
  animation: revenu-slideUp 0.6s ease 0.2s both;
}

.revenu-hero__counters {
  display: flex;
  justify-content: center;
  gap: 3rem;
  animation: revenu-slideUp 0.6s ease 0.3s both;
}

.revenu-hero__counter {
  text-align: center;
}

.revenu-hero__counter-number {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--revenu-green);
  line-height: 1;
  margin-bottom: 0.25rem;
}

.revenu-hero__counter-label {
  font-size: 0.82rem;
  color: var(--revenu-gray);
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ---- Strategies Section ---- */
.revenu-strategies {
  padding: 5rem 2rem;
  max-width: var(--revenu-max-width);
  margin: 0 auto;
}

.revenu-strategies__title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 0.5rem;
}

.revenu-strategies__subtitle {
  text-align: center;
  color: var(--revenu-text-light);
  margin-bottom: 3rem;
}

.revenu-strategies__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.revenu-strategy-card {
  background: var(--revenu-white);
  border-radius: var(--revenu-radius);
  padding: 2rem;
  border-left: 3px solid var(--revenu-green);
  transition: transform var(--revenu-transition), box-shadow var(--revenu-transition);
  position: relative;
  overflow: hidden;
}

.revenu-strategy-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(135deg, var(--revenu-green-bg) 0%, transparent 50%);
  opacity: 0;
  transition: opacity var(--revenu-transition);
}

.revenu-strategy-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.revenu-strategy-card:hover::before {
  opacity: 1;
}

.revenu-strategy-card__icon {
  font-size: 2rem;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.revenu-strategy-card__number {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--revenu-green);
  line-height: 1;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.revenu-strategy-card__label {
  font-size: 1.05rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.revenu-strategy-card__desc {
  font-size: 0.9rem;
  color: var(--revenu-text-light);
  line-height: 1.6;
  position: relative;
  z-index: 1;
}

/* ---- Calculator Decorative ---- */
.revenu-calculator {
  background: var(--revenu-dark);
  padding: 3.5rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.revenu-calculator::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 40px 40px;
}

.revenu-calculator__title {
  font-size: 1.6rem;
  color: var(--revenu-white);
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.revenu-calculator__text {
  color: var(--revenu-gray);
  font-size: 1rem;
  max-width: 500px;
  margin: 0 auto 2rem;
  position: relative;
  z-index: 1;
}

.revenu-calculator__display {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--revenu-dark-mid);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--revenu-radius);
  padding: 1rem 2rem;
  position: relative;
  z-index: 1;
}

.revenu-calculator__amount {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--revenu-green);
  text-shadow: 0 0 20px var(--revenu-green-glow);
}

.revenu-calculator__period {
  font-size: 0.85rem;
  color: var(--revenu-gray);
}

/* ---- Articles ---- */
.revenu-articles {
  padding: 5rem 2rem;
  max-width: var(--revenu-max-width);
  margin: 0 auto;
}

.revenu-articles__title {
  font-size: 2rem;
  margin-bottom: 2.5rem;
}

.revenu-articles__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.revenu-articles__grid .revenu-card:first-child {
  grid-column: 1 / -1;
}

/* ---- Card ---- */
.revenu-card {
  background: var(--revenu-white);
  border-radius: var(--revenu-radius);
  overflow: hidden;
  border-left: 3px solid var(--revenu-green);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: transform var(--revenu-transition), box-shadow var(--revenu-transition);
}

.revenu-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.revenu-card__image-wrap {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--revenu-gray-bg);
}

.revenu-card__image-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.revenu-card:hover .revenu-card__image-wrap img {
  transform: scale(1.04);
}

.revenu-card__body {
  padding: 1.75rem;
}

.revenu-card__badge {
  display: inline-block;
  background: var(--revenu-green-bg);
  color: var(--revenu-green-dark);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.2rem 0.7rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 0.75rem;
}

.revenu-card__date {
  font-size: 0.78rem;
  color: var(--revenu-text-light);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.revenu-card__title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

.revenu-card__title a:hover {
  color: var(--revenu-green-dark);
}

.revenu-card__excerpt {
  font-size: 0.92rem;
  color: var(--revenu-text-light);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.revenu-card__link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--revenu-green-dark);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.4rem 1rem;
  border-radius: 100px;
  border: 1px solid var(--revenu-green);
  transition: all var(--revenu-transition);
}

.revenu-card__link:hover {
  background: var(--revenu-green);
  color: var(--revenu-white);
  box-shadow: 0 4px 16px var(--revenu-green-glow);
}

.revenu-card__link::after {
  content: '\2192';
}

/* Featured card */
.revenu-card--featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  border-left: 3px solid var(--revenu-green);
}

.revenu-card--featured .revenu-card__image-wrap {
  aspect-ratio: auto;
  min-height: 280px;
}

.revenu-card--featured .revenu-card__body {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.revenu-card--featured .revenu-card__title {
  font-size: 1.6rem;
}

/* ---- Single Article ---- */
.revenu-single {
  max-width: 780px;
  margin: 0 auto;
  padding: 3.5rem 2rem 5rem;
}

.revenu-single__back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--revenu-green-dark);
  font-weight: 600;
  margin-bottom: 2rem;
  transition: gap var(--revenu-transition);
}

.revenu-single__back:hover {
  gap: 0.7rem;
}

.revenu-single__back::before {
  content: '\2190';
}

.revenu-single__badge {
  display: inline-block;
  background: var(--revenu-green-bg);
  color: var(--revenu-green-dark);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.8rem;
  border-radius: 100px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 1rem;
}

.revenu-single__meta {
  font-size: 0.82rem;
  color: var(--revenu-text-light);
  margin-bottom: 0.75rem;
  font-weight: 500;
}

.revenu-single__title {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.revenu-single__hero-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--revenu-radius);
  margin-bottom: 2.5rem;
}

.revenu-single__content {
  font-size: 1.05rem;
  line-height: 1.85;
}

.revenu-single__content h2 {
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid var(--revenu-green-bg);
}

.revenu-single__content h3 {
  font-size: 1.25rem;
  margin: 2rem 0 0.75rem;
}

.revenu-single__content p {
  margin-bottom: 1.25rem;
}

.revenu-single__content a {
  color: var(--revenu-green-dark);
  border-bottom: 1px solid var(--revenu-green);
}

.revenu-single__content a:hover {
  color: var(--revenu-green);
}

.revenu-single__content blockquote {
  border-left: 3px solid var(--revenu-green);
  padding: 1rem 1.5rem;
  margin: 2rem 0;
  background: var(--revenu-green-bg);
  border-radius: 0 var(--revenu-radius-sm) var(--revenu-radius-sm) 0;
  font-size: 1.05rem;
}

.revenu-single__content ul,
.revenu-single__content ol {
  margin: 1rem 0 1.5rem 1.5rem;
}

.revenu-single__content li {
  margin-bottom: 0.5rem;
}

.revenu-single__content img {
  border-radius: var(--revenu-radius-sm);
  margin: 2rem 0;
}

/* ---- Footer ---- */
.revenu-footer {
  background: var(--revenu-dark);
  padding: 4rem 2rem 2rem;
}

.revenu-footer__inner {
  max-width: var(--revenu-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 3rem;
}

.revenu-footer__col-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.95rem;
  color: var(--revenu-green);
  margin-bottom: 1.25rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.revenu-footer__text {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.45);
  line-height: 1.7;
}

.revenu-footer__links {
  list-style: none;
}

.revenu-footer__links li {
  margin-bottom: 0.5rem;
}

.revenu-footer__links a {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.45);
  transition: color var(--revenu-transition);
}

.revenu-footer__links a:hover {
  color: var(--revenu-green);
}

.revenu-footer__bottom {
  max-width: var(--revenu-max-width);
  margin: 3rem auto 0;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.25);
}

/* ---- Animations ---- */
@keyframes revenu-slideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes revenu-blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.revenu-fade-in {
  opacity: 0;
  transform: translateY(18px);
  animation: revenu-slideUp 0.5s ease forwards;
}

.revenu-fade-in:nth-child(1) { animation-delay: 0.05s; }
.revenu-fade-in:nth-child(2) { animation-delay: 0.1s; }
.revenu-fade-in:nth-child(3) { animation-delay: 0.15s; }
.revenu-fade-in:nth-child(4) { animation-delay: 0.2s; }
.revenu-fade-in:nth-child(5) { animation-delay: 0.25s; }
.revenu-fade-in:nth-child(6) { animation-delay: 0.3s; }

/* ---- Responsive ---- */
@media (max-width: 968px) {
  .revenu-strategies__grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .revenu-articles__grid {
    grid-template-columns: 1fr;
  }

  .revenu-card--featured {
    grid-template-columns: 1fr;
  }

  .revenu-card--featured .revenu-card__image-wrap {
    aspect-ratio: 16 / 9;
    min-height: auto;
  }

  .revenu-hero__counters {
    gap: 2rem;
  }

  .revenu-footer__inner {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  .revenu-header__nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--revenu-dark);
    flex-direction: column;
    padding: 1.5rem 2rem;
    gap: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
  }

  .revenu-header__nav.active {
    display: flex;
  }

  .revenu-header__hamburger {
    display: flex;
  }

  .revenu-hero {
    padding: 3.5rem 1.5rem;
  }

  .revenu-hero__counters {
    flex-direction: column;
    gap: 1.5rem;
  }

  .revenu-single {
    padding: 2.5rem 1.25rem 3rem;
  }
}

@media (max-width: 480px) {
  .revenu-hero__title {
    font-size: 1.8rem;
  }

  .revenu-hero__counter-number {
    font-size: 2rem;
  }

  .revenu-calculator__amount {
    font-size: 1.5rem;
  }
}

/* ================================================================
   UPGRADED SINGLE ARTICLE — SEO Features
   ================================================================ */

.revenu-article {
  padding: 48px 0 80px;
}

.revenu-article-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 0 24px;
}

.revenu-breadcrumb {
  font-size: 0.82rem;
  color: #999;
  margin-bottom: 28px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.revenu-breadcrumb a {
  font-weight: 600;
  transition: color 0.2s ease;
}

.revenu-breadcrumb a:hover {
  opacity: 0.8;
}

.revenu-breadcrumb span {
  color: #ccc;
}

.revenu-article-header {
  margin-bottom: 32px;
}

.revenu-article-header h1 {
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  line-height: 1.2;
  margin-bottom: 16px;
}

.revenu-article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
  color: #888;
  flex-wrap: wrap;
}

.revenu-meta-sep {
  color: #ccc;
}

.revenu-reading-time {
  font-weight: 500;
}

.revenu-article-cover {
  margin-bottom: 40px;
  border-radius: 12px;
  overflow: hidden;
}

.revenu-article-cover img {
  width: 100%;
  height: auto;
}

.revenu-article-body {
  font-size: 1.05rem;
  line-height: 1.85;
}

.revenu-article-body h2 {
  margin: 48px 0 16px;
}

.revenu-article-body h3 {
  margin: 36px 0 12px;
}

.revenu-article-body p {
  margin-bottom: 20px;
}

.revenu-article-body ul,
.revenu-article-body ol {
  margin: 16px 0 24px 24px;
}

.revenu-article-body li {
  margin-bottom: 8px;
}

.revenu-article-body blockquote {
  border-left: 4px solid currentColor;
  padding: 20px 28px;
  margin: 28px 0;
  border-radius: 0 8px 8px 0;
  font-style: italic;
}

.revenu-article-body img {
  border-radius: 8px;
  margin: 28px 0;
}

.revenu-related {
  margin-top: 64px;
  padding-top: 40px;
  border-top: 1px solid #e5e5e5;
}

.revenu-related h3 {
  font-size: 1.4rem;
  margin-bottom: 24px;
}

.revenu-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.revenu-related-card {
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.revenu-related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 28px rgba(0,0,0,0.1);
}

.revenu-related-card img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.revenu-related-card:hover img {
  transform: scale(1.05);
}

.revenu-related-card h4 {
  padding: 14px 16px;
  font-size: 0.95rem;
  line-height: 1.35;
}

.revenu-related-card a {
  display: block;
  color: inherit;
}

@media (max-width: 768px) {
  .revenu-related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .revenu-article-header h1 {
    font-size: 1.8rem;
  }
}