/* ============================================
   OBSERVEO — Light Theme
   Clean • Readable • Professional
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Inter:wght@400;500;600;700&display=swap');

:root {
  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --bg-subtle: #f1f5f9;
  --bg-blue-light: #eff6ff;
  --bg-blue-subtle: #dbeafe;
  --border-light: #e2e8f0;
  --border-blue: #bfdbfe;
  --accent-blue: #2563eb;
  --accent-blue-dark: #1d4ed8;
  --accent-blue-light: #3b82f6;
  --accent-sky: #0ea5e9;
  --accent-gradient: linear-gradient(135deg, #2563eb, #0ea5e9);
  --text-dark: #0f172a;
  --text-body: #334155;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --font-heading: 'DM Sans', sans-serif;
  --font-body: 'Inter', 'DM Sans', sans-serif;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.1);
  --shadow-blue: 0 4px 20px rgba(37,99,235,0.2);
  --transition-smooth: cubic-bezier(0.22,1,0.36,1);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-body);background:var(--bg-white);color:var(--text-body);line-height:1.7;overflow-x:hidden}

h1,h2,h3,h4,h5{font-family:var(--font-heading);font-weight:700;line-height:1.2;color:var(--text-dark)}
h1{font-size:clamp(2.2rem,5vw,3.5rem);letter-spacing:-0.02em}
h2{font-size:clamp(1.75rem,3.5vw,2.5rem);letter-spacing:-0.01em}
h3{font-size:clamp(1.15rem,2vw,1.4rem)}
h4{font-size:1.1rem}
p{color:var(--text-body);max-width:640px;font-size:1rem;line-height:1.75}
p.large{font-size:1.15rem;line-height:1.8;color:var(--text-secondary)}
.text-gradient{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

.container{max-width:1120px;margin:0 auto;padding:0 24px}
section{padding:80px 0;position:relative}
.section-alt{background:var(--bg-light)}
.section-label{font-family:var(--font-heading);font-size:0.8rem;font-weight:600;text-transform:uppercase;letter-spacing:0.12em;color:var(--accent-blue);margin-bottom:12px;display:inline-block}

/* Nav */
.nav{position:fixed;top:0;left:0;width:100%;z-index:1000;padding:16px 0;background:rgba(255,255,255,0.9);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid transparent;transition:all .3s ease}
.nav.scrolled{padding:10px 0;border-bottom-color:var(--border-light);box-shadow:var(--shadow-sm)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;max-width:1120px;margin:0 auto;padding:0 24px}
.nav-logo{display:flex;align-items:center;text-decoration:none}
.nav-logo img{height:36px;width:auto}
.nav-logo-text{font-family:var(--font-heading);font-size:1.4rem;font-weight:700;color:var(--text-dark);margin-left:10px}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{color:var(--text-secondary);text-decoration:none;font-size:.9rem;font-weight:500;transition:color .2s ease}
.nav-links a:hover{color:var(--text-dark)}
.nav-cta{background:var(--accent-gradient)!important;color:white!important;padding:9px 22px!important;border-radius:50px!important;font-weight:600!important;font-size:.9rem!important;transition:transform .2s ease,box-shadow .2s ease!important}
.nav-cta:hover{transform:translateY(-1px);box-shadow:var(--shadow-blue)}
.nav-toggle{display:none;background:none;border:none;color:var(--text-dark);font-size:1.5rem;cursor:pointer}

/* Hero */
.hero{min-height:90vh;display:flex;align-items:center;padding-top:80px;background:linear-gradient(180deg,var(--bg-blue-light) 0%,var(--bg-white) 100%);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-content{position:relative;z-index:2}
.hero h1{margin-bottom:20px}
.hero p.large{margin-bottom:32px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:var(--bg-white);border:1px solid var(--border-light);border-radius:50px;padding:6px 16px 6px 8px;font-size:.82rem;color:var(--text-secondary);margin-bottom:24px;box-shadow:var(--shadow-sm)}
.hero-badge .badge-dot{width:8px;height:8px;background:#10b981;border-radius:50%;animation:pulse-dot 2s ease-in-out infinite}
@keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.3)}}

.hero-visual{position:relative;display:flex;justify-content:center}
.hero-phone{width:280px;height:520px;background:var(--bg-white);border:2px solid var(--border-light);border-radius:36px;box-shadow:var(--shadow-lg);overflow:hidden;position:relative}
.hero-phone::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);width:100px;height:24px;background:var(--bg-white);border-radius:0 0 14px 14px;border:2px solid var(--border-light);border-top:none;z-index:2}
.phone-screen{padding:40px 16px 16px;height:100%;display:flex;flex-direction:column;gap:10px;background:var(--bg-light)}
.phone-header{background:var(--accent-gradient);border-radius:10px;padding:14px;color:white;font-weight:600;font-size:.8rem;font-family:var(--font-heading);text-align:center}
.phone-card{background:var(--bg-white);border:1px solid var(--border-light);border-radius:10px;padding:12px;display:flex;align-items:center;gap:10px}
.phone-card-icon{width:36px;height:36px;background:var(--bg-blue-light);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}
.phone-card-title{font-size:.75rem;font-weight:600;color:var(--text-dark);margin-bottom:2px}
.phone-card-desc{font-size:.65rem;color:var(--text-muted);line-height:1.3}
.phone-bar{height:10px;background:var(--bg-subtle);border-radius:5px}
.phone-bar.blue{background:var(--bg-blue-subtle);width:70%}
.phone-bar.short{width:45%}

.hero-float{position:absolute;border-radius:var(--radius-md);background:var(--bg-white);border:1px solid var(--border-light);padding:10px 16px;font-size:.8rem;font-weight:500;color:var(--text-body);box-shadow:var(--shadow-md);animation:float 5s ease-in-out infinite;white-space:nowrap;display:flex;align-items:center;gap:8px}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:50px;font-family:var(--font-body);font-size:.95rem;font-weight:600;text-decoration:none;cursor:pointer;border:none;transition:all .3s var(--transition-smooth)}
.btn-primary{background:var(--accent-gradient);color:white;box-shadow:var(--shadow-blue)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 24px rgba(37,99,235,.3)}
.btn-secondary{background:var(--bg-white);color:var(--text-dark);border:1px solid var(--border-light)}
.btn-secondary:hover{background:var(--bg-light);border-color:var(--border-blue);transform:translateY(-1px)}
.btn-sm{padding:10px 20px;font-size:.88rem}
.btn-icon{font-size:1rem}

/* Stats */
.stats-row{display:flex;gap:40px;margin-top:40px}
.stat-number{font-family:var(--font-heading);font-size:2rem;font-weight:700;color:var(--accent-blue);line-height:1}
.stat-label{font-size:.82rem;color:var(--text-muted);margin-top:4px}

/* Cards */
.card{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:32px;transition:all .3s var(--transition-smooth)}
.card:hover{border-color:var(--border-blue);box-shadow:var(--shadow-md);transform:translateY(-3px)}
.card-icon{width:48px;height:48px;border-radius:var(--radius-md);background:var(--bg-blue-light);display:flex;align-items:center;justify-content:center;font-size:1.3rem;margin-bottom:20px}
.card h3{margin-bottom:10px}
.card p{font-size:.92rem;color:var(--text-secondary)}

/* Grids */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}

/* Pain/Solution cards */
.pain-points{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:40px}
.pain-card{background:var(--bg-white);border:1px solid #fecaca;border-radius:var(--radius-md);padding:24px}
.pain-card .pain-icon{font-size:1.3rem;margin-bottom:10px}
.pain-card h4{color:#dc2626;margin-bottom:8px;font-size:.95rem}
.pain-card p{font-size:.88rem;color:var(--text-secondary)}
.solution-card{background:var(--bg-white);border:1px solid #bbf7d0;border-radius:var(--radius-md);padding:24px}
.solution-card .sol-icon{font-size:1.3rem;margin-bottom:10px}
.solution-card h4{color:#16a34a;margin-bottom:8px;font-size:.95rem}
.solution-card p{font-size:.88rem;color:var(--text-secondary)}

/* Steps */
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px;position:relative}
.process-steps::before{content:'';position:absolute;top:32px;left:12%;right:12%;height:2px;background:var(--bg-blue-subtle)}
.step{text-align:center;position:relative}
.step-number{width:64px;height:64px;border-radius:50%;background:var(--bg-blue-light);border:2px solid var(--border-blue);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-family:var(--font-heading);font-size:1.3rem;font-weight:700;color:var(--accent-blue);position:relative;z-index:2}
.step h4{margin-bottom:6px}
.step p{font-size:.88rem;margin:0 auto;color:var(--text-secondary)}

/* Testimonials */
.testimonial-card{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:28px}
.testimonial-text{font-size:1rem;font-style:italic;color:var(--text-body);line-height:1.75;margin-bottom:20px}
.testimonial-author{display:flex;align-items:center;gap:12px}
.testimonial-avatar{width:40px;height:40px;border-radius:50%;background:var(--accent-gradient);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem;color:white}
.testimonial-name{font-weight:600;font-size:.9rem;color:var(--text-dark)}
.testimonial-role{font-size:.78rem;color:var(--text-muted)}

/* Pricing */
.pricing-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;max-width:740px;margin:48px auto 0}
.pricing-card{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:36px;position:relative}
.pricing-card.featured{border-color:var(--accent-blue);box-shadow:0 0 0 1px var(--accent-blue),var(--shadow-blue)}
.pricing-card.featured::before{content:'Populaire';position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--accent-gradient);color:white;padding:3px 14px;border-radius:50px;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em}
.pricing-name{font-family:var(--font-heading);font-size:1.05rem;font-weight:600;color:var(--text-dark);margin-bottom:10px}
.pricing-amount{font-family:var(--font-heading);font-size:2.5rem;font-weight:700;color:var(--text-dark);margin-bottom:4px}
.pricing-amount span{font-size:1rem;font-weight:400;color:var(--text-muted)}
.pricing-desc{font-size:.82rem;color:var(--text-muted);margin-bottom:24px}
.pricing-features{list-style:none;margin-bottom:28px}
.pricing-features li{padding:6px 0;font-size:.88rem;color:var(--text-body);display:flex;align-items:center;gap:8px}
.pricing-features li::before{content:'✓';color:var(--accent-blue);font-weight:700;font-size:.9rem}

/* CTA */
.cta-section{text-align:center}
.cta-box{background:var(--accent-gradient);border-radius:var(--radius-xl);padding:64px 48px;color:white}
.cta-box h2{color:white}
.cta-box .text-gradient{background:linear-gradient(135deg,#bfdbfe,#e0f2fe);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.cta-box p{color:rgba(255,255,255,.85);margin:14px auto 32px}
.cta-buttons{display:flex;gap:12px;justify-content:center}
.btn-white{background:white;color:var(--accent-blue);padding:14px 28px;border-radius:50px;font-weight:600;font-size:.95rem;font-family:var(--font-body);text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:all .3s ease;border:none;cursor:pointer}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 4px 16px rgba(0,0,0,.15)}
.btn-white-outline{background:rgba(255,255,255,.15);color:white;border:1px solid rgba(255,255,255,.3);padding:14px 28px;border-radius:50px;font-weight:600;font-size:.95rem;font-family:var(--font-body);text-decoration:none;display:inline-flex;align-items:center;gap:8px;transition:all .3s ease;cursor:pointer}
.btn-white-outline:hover{background:rgba(255,255,255,.25);transform:translateY(-1px)}

/* Metier cards */
.metier-card{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius-md);padding:20px;text-decoration:none;text-align:center;transition:all .3s var(--transition-smooth);display:block}
.metier-card:hover{border-color:var(--border-blue);box-shadow:var(--shadow-md);transform:translateY(-2px)}
.metier-card .metier-icon{font-size:1.8rem;margin-bottom:8px}
.metier-card h4{font-size:.88rem;color:var(--text-dark)}

/* Use cases */
.use-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.use-case{background:var(--bg-white);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:28px;transition:all .3s var(--transition-smooth)}
.use-case:hover{border-color:var(--border-blue);transform:translateY(-2px);box-shadow:var(--shadow-md)}
.use-case-icon{font-size:1.6rem;margin-bottom:14px}
.use-case h4{margin-bottom:8px}
.use-case p{font-size:.88rem;color:var(--text-secondary)}

/* Related */
.related-professions{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.profession-tag{display:inline-flex;align-items:center;gap:6px;background:var(--bg-light);border:1px solid var(--border-light);border-radius:50px;padding:7px 16px;font-size:.82rem;color:var(--text-body);text-decoration:none;transition:all .2s ease}
.profession-tag:hover{background:var(--bg-blue-light);border-color:var(--border-blue);color:var(--accent-blue)}

/* Breadcrumb */
.breadcrumb{position:absolute;top:90px;left:0;width:100%;z-index:10}
.breadcrumb-inner{display:flex;align-items:center;gap:8px;font-size:.82rem;color:var(--text-muted)}
.breadcrumb-inner a{color:var(--text-muted);text-decoration:none}
.breadcrumb-inner a:hover{color:var(--accent-blue)}
.breadcrumb-inner .sep{opacity:.4}

/* Profession hero */
.profession-hero{padding:140px 0 80px;background:linear-gradient(180deg,var(--bg-blue-light) 0%,var(--bg-white) 100%)}
.profession-hero .hero-tag{display:inline-flex;align-items:center;gap:8px;background:var(--bg-white);border:1px solid var(--border-blue);border-radius:50px;padding:5px 16px;font-size:.78rem;font-weight:600;color:var(--accent-blue);margin-bottom:20px}
.profession-hero h1{max-width:720px}
.profession-hero p.large{max-width:600px}

/* Footer */
.footer{background:var(--bg-light);border-top:1px solid var(--border-light);padding:48px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:32px}
.footer-brand p{font-size:.85rem;color:var(--text-secondary);max-width:280px;margin-top:12px}
.footer-brand .nav-logo img{height:28px}
.footer-col h4{font-family:var(--font-heading);font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--text-muted);margin-bottom:14px}
.footer-col a{display:block;color:var(--text-secondary);text-decoration:none;font-size:.88rem;padding:3px 0;transition:color .2s ease}
.footer-col a:hover{color:var(--accent-blue)}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:20px;border-top:1px solid var(--border-light);font-size:.82rem;color:var(--text-muted)}

/* Animations */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s var(--transition-smooth),transform .7s var(--transition-smooth)}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:.1s}
.reveal-delay-2{transition-delay:.2s}
.reveal-delay-3{transition-delay:.3s}
.reveal-delay-4{transition-delay:.4s}

/* Responsive */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;text-align:center}
  .hero-grid p.large{margin-left:auto;margin-right:auto}
  .hero-grid .stats-row{justify-content:center}
  .hero-grid>div:first-child>div:last-of-type{justify-content:center}
  .hero-visual{display:none}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .process-steps::before{display:none}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .grid-4{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  section{padding:56px 0}
  .features-grid,.grid-2,.grid-3{grid-template-columns:1fr}
  .pain-points,.use-cases{grid-template-columns:1fr}
  .pricing-cards{grid-template-columns:1fr}
  .stats-row{flex-direction:column;gap:20px}
  .process-steps{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:10px;text-align:center}
  .cta-box{padding:40px 20px}
  .cta-buttons{flex-direction:column;align-items:center}
  .nav-links{display:none}
  .nav-toggle{display:block}
  .nav-links.open{display:flex;flex-direction:column;position:absolute;top:100%;left:0;width:100%;background:rgba(255,255,255,.98);backdrop-filter:blur(16px);padding:20px 24px;gap:14px;border-bottom:1px solid var(--border-light);box-shadow:var(--shadow-md)}
  .hero{min-height:auto;padding:120px 0 60px}
  .grid-4{grid-template-columns:1fr}
  .profession-hero{padding:120px 0 56px}
}