/*
 * Expert-CRA.eu — Stylesheet Principal Unifié
 * EU Cyber Resilience Act Compliance & SaaS Platform
 * Version 2.0 — CSS complet, fichier unique
 */

@charset "utf-8";

/* ============================================================
   CSS CUSTOM PROPERTIES
   ============================================================ */
:root {
    /* Palette marine & ciel — institutionnel, aligné UE */
    --primary:        #0ea5e9;
    --primary-dark:   #0369a1;
    --primary-deep:   #1e3a8a;
    --accent:         #f59e0b;
    --accent-teal:    #14b8a6;
    --danger:         #ef4444;

    --text-primary:   #0c1a2e;
    --text-secondary: #475569;
    --text-muted:     #94a3b8;
    --text-light:     #ffffff;

    --bg-primary:     #ffffff;
    --bg-secondary:   #f0f6ff;
    --bg-dark:        #0c1a2e;
    --bg-card:        #ffffff;

    --grad-primary:   linear-gradient(135deg, #0ea5e9 0%, #1e3a8a 100%);
    --grad-elegant:   linear-gradient(135deg, #0ea5e9 0%, #1e3a8a 55%, #14b8a6 100%);
    --grad-hero:      linear-gradient(135deg, #0c1a2e 0%, #0f2547 40%, #1e3a8a 80%, #0369a1 100%);
    --grad-dark:      linear-gradient(135deg, #0c1a2e 0%, #1e293b 50%, #1e3a8a 100%);

    --shadow-sm:  0 1px 3px rgba(0,0,0,.08);
    --shadow-md:  0 4px 12px rgba(0,0,0,.1);
    --shadow-lg:  0 10px 30px rgba(0,0,0,.12);
    --shadow-xl:  0 20px 50px rgba(0,0,0,.18);
    --shadow-glow: 0 0 40px rgba(14,165,233,.25);

    --radius-sm:  8px;
    --radius-md:  16px;
    --radius-lg:  24px;
    --radius-xl:  36px;

    --font-head: 'Sora', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.75;
    color: var(--text-primary);
    background: var(--bg-primary);
    overflow-x: hidden;
}

img { max-width: 100%; height: auto; }
a { color: inherit; }

/* ============================================================
   NAVIGATION
   ============================================================ */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    padding: 1rem 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(14,165,233,0.08);
}

nav.scrolled {
    background: rgba(255,255,255,0.98);
    box-shadow: 0 2px 20px rgba(12,26,46,0.1);
    padding: 0.65rem 0;
}

/* Nav sur fond blanc (pages secondaires) */
nav.nav-white {
    background: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

/* Logo */
.logo {
    font-family: var(--font-head);
    font-size: 1.5rem;
    font-weight: 800;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    flex-shrink: 0;
}

.logo-icon {
    height: 1.2em;
    width: auto;
    vertical-align: middle;
    margin-top: -2px;
}

.logo span,
.logo-eu {
    background: var(--grad-elegant);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Nav Links */
.nav-links {
    display: flex;
    list-style: none;
    gap: 0.25rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.92rem;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: rgba(14,165,233,0.07);
}

/* Nav Right */
.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-shrink: 0;
}

/* Nav CTA */
.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--grad-primary);
    color: white !important;
    text-decoration: none;
    padding: 0.55rem 1.3rem;
    border-radius: 50px;
    font-family: var(--font-head);
    font-size: 0.88rem;
    font-weight: 600;
    transition: var(--transition);
    white-space: nowrap;
    background-clip: unset !important;
    -webkit-text-fill-color: unset !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(14,165,233,0.4);
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
    gap: 5px;
    background: none;
    border: none;
}

.hamburger {
    width: 24px;
    height: 2.5px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.mobile-menu-toggle.active .hamburger:nth-child(1) { transform: rotate(-45deg) translate(-5px, 6px); }
.mobile-menu-toggle.active .hamburger:nth-child(2) { opacity: 0; transform: scaleX(0); }
.mobile-menu-toggle.active .hamburger:nth-child(3) { transform: rotate(45deg) translate(-5px, -6px); }

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-dark);
    z-index: 999;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-slow);
}

.mobile-menu.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    list-style: none;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mobile-nav-links a {
    display: block;
    text-decoration: none;
    color: rgba(255,255,255,0.85);
    font-family: var(--font-head);
    font-size: 1.6rem;
    font-weight: 700;
    padding: 0.6rem 2rem;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.mobile-nav-links a:hover {
    color: white;
    background: rgba(14,165,233,0.2);
}

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

section { padding: 7rem 0; }

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-eyebrow {
    display: inline-block;
    font-family: var(--font-head);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--primary);
    background: rgba(14,165,233,0.1);
    padding: 0.35rem 1rem;
    border-radius: 50px;
    margin-bottom: 1rem;
}

.section-eyebrow.light {
    color: rgba(255,255,255,0.9);
    background: rgba(255,255,255,0.12);
}

.section-title {
    font-family: var(--font-head);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

.section-sub {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--grad-hero);
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(14,165,233,0.07) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14,165,233,0.07) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.5) 40%, transparent 80%);
}

.floating-shapes { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.shape {
    position: absolute;
    border-radius: 50%;
    animation: floatShapes 20s ease-in-out infinite;
    opacity: 0.12;
}
.shape-1 { width:500px;height:500px;top:-150px;right:-100px;background:radial-gradient(circle,#0ea5e9,#1e3a8a);animation-duration:25s; }
.shape-2 { width:300px;height:300px;bottom:-50px;left:-80px;background:radial-gradient(circle,#14b8a6,#0ea5e9);animation-duration:20s;animation-delay:-5s; }
.shape-3 { width:200px;height:200px;top:30%;left:10%;background:radial-gradient(circle,#f59e0b,#0ea5e9);animation-duration:18s;animation-delay:-8s; }
.shape-4 { width:150px;height:150px;bottom:20%;right:15%;background:radial-gradient(circle,#14b8a6,transparent);animation-duration:22s;animation-delay:-3s; }
.shape-5 { width:80px;height:80px;top:20%;right:25%;background:#0ea5e9;animation-duration:15s;animation-delay:-10s;opacity:0.2; }
.shape-6 { width:120px;height:120px;bottom:35%;left:20%;background:#14b8a6;animation-duration:28s;animation-delay:-7s;opacity:0.08; }

@keyframes floatShapes {
    0%,100%  { transform: translateY(0) rotate(0deg) scale(1); }
    33%      { transform: translateY(-30px) rotate(120deg) scale(1.05); }
    66%      { transform: translateY(20px) rotate(240deg) scale(0.95); }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 2rem;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(14,165,233,0.15);
    border: 1px solid rgba(14,165,233,0.3);
    color: #7dd3fc;
    font-family: var(--font-head);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #22d3ee;
    box-shadow: 0 0 8px #22d3ee;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%,100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.6; transform: scale(0.85); }
}

.hero h1 {
    font-family: var(--font-head);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    color: #ffffff;
    line-height: 1.1;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
}

.hero h1 em {
    font-style: normal;
    background: linear-gradient(90deg, #38bdf8, #22d3ee, #14b8a6);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero .subtitle {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: rgba(255,255,255,0.72);
    max-width: 680px;
    margin: 0 auto 2.5rem;
    font-weight: 400;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--grad-primary);
    color: white;
    text-decoration: none;
    padding: 0.95rem 2.5rem;
    border-radius: 50px;
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    transition: var(--transition);
    box-shadow: 0 8px 30px rgba(14,165,233,0.4);
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(14,165,233,0.5);
}

.cta-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.2);
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: 0.95rem 2.2rem;
    border-radius: 50px;
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.cta-secondary:hover {
    background: rgba(255,255,255,0.14);
    border-color: rgba(255,255,255,0.35);
    transform: translateY(-2px);
}

/* Hero Stats Bar */
.hero-stats {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    padding: 1.5rem 2.5rem;
    margin-top: 3.5rem;
    margin-bottom: 2rem;
}

.stat-item {
    flex: 1;
    text-align: center;
    padding: 0 1.5rem;
}

.stat-num {
    font-family: var(--font-head);
    font-size: 2rem;
    font-weight: 800;
    color: #ffffff;
    letter-spacing: -0.03em;
    line-height: 1;
    margin-bottom: 0.3rem;
}

.stat-label {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.55);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: rgba(255,255,255,0.15);
    flex-shrink: 0;
}

/* Scroll Indicator */
.scroll-indicator {
    position: relative;
    z-index: 2;
    width: 28px;
    height: 44px;
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 14px;
    cursor: pointer;
    transition: var(--transition);
    margin-bottom: 1.5rem;
}

.scroll-indicator::after {
    content: '';
    position: absolute;
    width: 4px;
    height: 8px;
    background: rgba(255,255,255,0.7);
    border-radius: 2px;
    left: 50%;
    top: 6px;
    transform: translateX(-50%);
    animation: scrollBounce 1.8s ease-in-out infinite;
}

@keyframes scrollBounce {
    0%,100% { opacity: 1; transform: translateX(-50%) translateY(0); }
    50%      { opacity: 0.3; transform: translateX(-50%) translateY(12px); }
}

.scroll-indicator:hover { border-color: var(--primary); }

/* ============================================================
   MANDATE / TIMELINE
   ============================================================ */
.mandate {
    background: var(--bg-secondary);
    padding: 7rem 0;
}

.timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
    padding-top: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: calc(3rem + 20px);
    left: calc(16.6% + 1rem);
    right: calc(16.6% + 1rem);
    height: 2px;
    background: linear-gradient(90deg, #0ea5e9, #14b8a6);
    z-index: 0;
}

.timeline-item {
    position: relative;
    text-align: center;
    padding: 0 1rem;
}

.timeline-date {
    font-family: var(--font-head);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 1rem;
}

.timeline-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: white;
    border: 3px solid var(--primary);
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 1;
    transition: var(--transition);
}

.timeline-dot.active {
    background: var(--primary);
    box-shadow: 0 0 0 6px rgba(14,165,233,0.2), 0 0 20px rgba(14,165,233,0.4);
}

.timeline-content {
    background: white;
    border-radius: var(--radius-md);
    padding: 1.75rem;
    border: 1px solid rgba(14,165,233,0.12);
    transition: var(--transition);
}

.timeline-content:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.timeline-content h3 {
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.timeline-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.penalty-box {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    background: linear-gradient(135deg, rgba(239,68,68,0.04), rgba(239,68,68,0.07));
    border: 1px solid rgba(239,68,68,0.2);
    border-left: 4px solid #ef4444;
    border-radius: var(--radius-md);
    padding: 1.25rem 1.75rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.penalty-icon { font-size: 1.4rem; flex-shrink: 0; }
.penalty-text strong:first-child { color: #dc2626; }

/* ============================================================
   ABOUT
   ============================================================ */
.about {
    background: white;
    padding: 7rem 0;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.about-visual {
    position: relative;
    height: 420px;
}

.about-visual-inner {
    position: relative;
    width: 100%;
    height: 100%;
    background: var(--grad-hero);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-visual-inner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(14,165,233,0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(14,165,233,0.1) 1px, transparent 1px);
    background-size: 40px 40px;
}

.visual-shield { font-size: 7rem; opacity: 0.15; position: absolute; }

.visual-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(12px);
    border-radius: var(--radius-md);
    padding: 0.75rem 1rem;
    color: white;
}

.visual-badge-1 { top: 1.5rem; left: 1.5rem; }
.visual-badge-2 { top: 1.5rem; right: 1.5rem; }
.visual-badge-3 { bottom: 1.5rem; left: 50%; transform: translateX(-50%); }

.vb-icon { font-size: 1.3rem; }
.vb-num { font-family: var(--font-head); font-size: 0.85rem; font-weight: 800; line-height: 1; }
.vb-label { font-size: 0.7rem; color: rgba(255,255,255,0.65); font-weight: 500; }

.about-text { padding: 1rem 0; }

.about-text h2 {
    font-family: var(--font-head);
    font-size: clamp(1.8rem, 3.5vw, 2.6rem);
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.8;
    margin-bottom: 1.1rem;
}

.about-text p em { color: var(--primary-dark); font-style: italic; }

.skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 2rem;
}

.skill-tag {
    font-family: var(--font-head);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--primary-dark);
    background: rgba(14,165,233,0.08);
    border: 1px solid rgba(14,165,233,0.2);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    transition: var(--transition);
    cursor: default;
}

.skill-tag:hover {
    background: rgba(14,165,233,0.15);
    border-color: var(--primary);
    transform: translateY(-2px);
}

/* ============================================================
   SOLUTIONS / PORTFOLIO
   ============================================================ */
.portfolio {
    background: var(--bg-secondary);
    padding: 7rem 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}

.portfolio-item {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    border: 1px solid rgba(14,165,233,0.1);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(30px);
    position: relative;
    overflow: hidden;
}

.portfolio-item::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--grad-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.portfolio-item:hover::before { transform: scaleX(1); }

.portfolio-item.animate {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-6px);
    border-color: rgba(14,165,233,0.25);
}

.portfolio-icon {
    font-size: 2.5rem;
    margin-bottom: 1.25rem;
    display: block;
}

.portfolio-content h3 {
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    letter-spacing: -0.02em;
}

.portfolio-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

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

.tech-tag {
    font-size: 0.72rem;
    font-weight: 600;
    font-family: var(--font-head);
    color: var(--primary);
    background: rgba(14,165,233,0.08);
    border: 1px solid rgba(14,165,233,0.15);
    padding: 0.25rem 0.65rem;
    border-radius: 50px;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-section {
    background: white;
    padding: 7rem 0;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    align-items: start;
}

.price-card {
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    border: 1px solid rgba(14,165,233,0.15);
    background: white;
    transition: var(--transition);
    position: relative;
}

.price-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.price-card.featured {
    background: var(--grad-hero);
    border-color: transparent;
    box-shadow: var(--shadow-xl);
    transform: scale(1.03);
}

.price-card.featured:hover { transform: scale(1.03) translateY(-5px); }

.price-popular {
    display: inline-block;
    background: var(--accent);
    color: white;
    font-family: var(--font-head);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    margin-bottom: 1rem;
}

.price-tier {
    font-family: var(--font-head);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.4rem;
}

.price-card.featured .price-tier { color: white; }

.price-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.price-card.featured .price-desc { color: rgba(255,255,255,0.65); }

.price-amount {
    font-family: var(--font-head);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
    letter-spacing: -0.03em;
}

.price-card.featured .price-amount { color: white; }

.price-period {
    font-size: 0.82rem;
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.price-card.featured .price-period { color: rgba(255,255,255,0.5); }

.price-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.price-features li {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.price-card.featured .price-features li { color: rgba(255,255,255,0.8); }

.price-cta {
    display: block;
    text-align: center;
    text-decoration: none;
    padding: 0.85rem 1.5rem;
    border-radius: 50px;
    font-family: var(--font-head);
    font-size: 0.9rem;
    font-weight: 700;
    transition: var(--transition);
    background: rgba(14,165,233,0.08);
    color: var(--primary);
    border: 2px solid rgba(14,165,233,0.2);
}

.price-cta:hover {
    background: var(--grad-primary);
    color: white;
    border-color: transparent;
    box-shadow: 0 8px 25px rgba(14,165,233,0.35);
    transform: translateY(-2px);
}

.price-card.featured .price-cta {
    background: rgba(255,255,255,0.15);
    color: white;
    border-color: rgba(255,255,255,0.25);
}

.price-card.featured .price-cta:hover {
    background: white;
    color: var(--primary-dark);
}

/* ============================================================
   FAQ
   ============================================================ */
.faq-section {
    background: var(--bg-secondary);
    padding: 7rem 0;
}

.faq-grid {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid rgba(14,165,233,0.1);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover { border-color: rgba(14,165,233,0.3); }

.faq-question {
    width: 100%;
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    padding: 1.35rem 1.75rem;
    text-align: left;
    font-family: var(--font-head);
    font-size: 0.98rem;
    font-weight: 600;
    color: var(--text-primary);
    transition: var(--transition);
}

.faq-question:hover { color: var(--primary); }
.faq-question[aria-expanded="true"] { color: var(--primary); }

.faq-icon {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: rgba(14,165,233,0.1);
    color: var(--primary);
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.faq-question[aria-expanded="true"] .faq-icon {
    background: var(--primary);
    color: white;
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
}

.faq-answer.open {
    max-height: 300px;
    padding-bottom: 1.5rem;
}

.faq-answer p {
    padding: 0 1.75rem;
    font-size: 0.93rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
    position: relative;
    background: var(--grad-dark);
    padding: 7rem 0;
    overflow: hidden;
}

.contact-floating-shapes { position: absolute; inset: 0; pointer-events: none; }
.contact-shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(14,165,233,0.05);
    animation: floatShapes 20s ease-in-out infinite;
}
.contact-shape-1 { width:400px;height:400px;top:-100px;right:-100px; }
.contact-shape-2 { width:250px;height:250px;bottom:-50px;left:-60px;animation-duration:25s; }
.contact-shape-3 { width:150px;height:150px;top:30%;left:15%;animation-duration:18s;animation-delay:-5s; }
.contact-shape-4 { width:100px;height:100px;bottom:25%;right:20%;animation-duration:22s;animation-delay:-8s; }

.contact-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 750px;
    margin: 0 auto;
}

.contact .section-title { color: white; }
.contact .section-sub { color: rgba(255,255,255,0.65); }

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.form-group label {
    font-family: var(--font-head);
    font-size: 0.82rem;
    font-weight: 600;
    color: rgba(255,255,255,0.8);
    letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.9rem 1.2rem;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    background: rgba(255,255,255,0.07);
    color: white;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    resize: vertical;
    -webkit-appearance: none;
    appearance: none;
}

.form-group select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='rgba(255,255,255,0.5)' viewBox='0 0 16 16'%3E%3Cpath d='M7.247 11.14L2.451 5.658C1.885 5.013 2.345 4 3.204 4h9.592a1 1 0 0 1 .753 1.659l-4.796 5.48a1 1 0 0 1-1.506 0z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option { background: var(--bg-dark); color: white; }

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(14,165,233,0.1);
    box-shadow: 0 0 0 3px rgba(14,165,233,0.15);
}

.form-group input::placeholder,
.form-group textarea::placeholder { color: rgba(255,255,255,0.35); }

.submit-btn {
    align-self: center;
    padding: 1rem 3rem;
    background: var(--grad-primary);
    color: white;
    border: none;
    border-radius: 50px;
    font-family: var(--font-head);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.02em;
    box-shadow: 0 8px 30px rgba(14,165,233,0.35);
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(14,165,233,0.5);
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

#formResponse {
    transition: all 0.3s ease;
    font-family: var(--font-head);
    font-size: 0.9rem;
    text-align: center;
    border-radius: var(--radius-sm);
    padding: 1rem;
    display: none;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: #070e1a;
    color: rgba(255,255,255,0.6);
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(14,165,233,0.1);
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.06);
}

.footer-logo {
    font-family: var(--font-head);
    font-size: 1.3rem;
    font-weight: 800;
    color: white;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.footer-brand p {
    font-size: 0.88rem;
    line-height: 1.7;
    max-width: 280px;
}

.footer-links-col h4 {
    font-family: var(--font-head);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    margin-bottom: 1rem;
}

.footer-links-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.footer-links-col a {
    text-decoration: none;
    font-size: 0.88rem;
    color: rgba(255,255,255,0.55);
    transition: var(--transition);
}

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

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

.footer-left p { font-size: 0.83rem; color: rgba(255,255,255,0.35); }

.footer-right {
    display: flex;
    gap: 2rem;
}

.footer-right a {
    text-decoration: none;
    font-size: 0.83rem;
    color: rgba(255,255,255,0.35);
    transition: var(--transition);
}

.footer-right a:hover { color: var(--primary); }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
.fade-in {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.animate { opacity: 1; transform: translateY(0); }

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.animate { opacity: 1; transform: translateX(0); }

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.animate { opacity: 1; transform: translateX(0); }

/* ============================================================
   BLOG PAGE
   ============================================================ */
.blog-page {
    background-color: var(--bg-secondary);
    min-height: 100vh;
}

.blog-section {
    padding: 140px 2rem 80px;
    max-width: 1200px;
    margin: 0 auto;
}

.blog-intro {
    text-align: center;
    margin-bottom: 60px;
}

.blog-intro h1 {
    font-family: var(--font-head);
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.blog-intro p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

/* Carte article */
.blog-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid rgba(14,165,233,0.1);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.card-content {
    padding: 28px 30px 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-tag {
    display: inline-block;
    background: rgba(14,165,233,0.1);
    color: var(--primary);
    font-family: var(--font-head);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    width: fit-content;
    margin-bottom: 14px;
}

/* Tag couleurs variées */
.card-tag[data-type="Légal"]        { background: rgba(239,68,68,0.1);  color: #dc2626; }
.card-tag[data-type="Technique"]    { background: rgba(20,184,166,0.1); color: #0d9488; }
.card-tag[data-type="Risques"]      { background: rgba(245,158,11,0.1); color: #d97706; }
.card-tag[data-type="Certification"]{ background: rgba(99,102,241,0.1); color: #4f46e5; }
.card-tag[data-type="Urgent"]       { background: rgba(239,68,68,0.12); color: #dc2626; }
.card-tag[data-type="IoT"]          { background: rgba(14,165,233,0.12);color: var(--primary-dark); }
.card-tag[data-type="Développement"]{ background: rgba(20,184,166,0.1); color: #0d9488; }
.card-tag[data-type="Stratégie"]    { background: rgba(99,102,241,0.1); color: #4f46e5; }
.card-tag[data-type="Solution"]     { background: rgba(14,165,233,0.1); color: var(--primary-dark); }

.blog-card h2 {
    font-family: var(--font-head);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    line-height: 1.4;
    letter-spacing: -0.02em;
}

.blog-card p {
    color: var(--text-secondary);
    line-height: 1.65;
    font-size: 0.92rem;
    margin-bottom: 20px;
    flex-grow: 1;
}

.card-footer {
    font-family: var(--font-head);
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    font-size: 0.88rem;
    gap: 6px;
}

.card-footer::after {
    content: '→';
    transition: transform 0.2s;
}

.blog-card:hover .card-footer::after {
    transform: translateX(4px);
}

/* Blog footer simple */
.blog-footer {
    background: #070e1a;
    color: rgba(255,255,255,0.4);
    text-align: center;
    padding: 2rem;
    font-size: 0.85rem;
    border-top: 1px solid rgba(14,165,233,0.1);
}

.blog-footer a {
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    transition: var(--transition);
}

.blog-footer a:hover { color: var(--primary); }

/* ============================================================
   PAGE ARTICLE
   ============================================================ */
.article-page {
    background: #fff;
    padding-top: 80px;
}

.article-page nav {
    background: rgba(255,255,255,0.98);
    box-shadow: 0 2px 12px rgba(0,0,0,0.07);
}

.breadcrumb {
    max-width: 860px;
    margin: 0 auto;
    padding: 1.5rem 2rem 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.breadcrumb a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.breadcrumb a:hover { color: var(--primary-dark); }
.breadcrumb span { color: var(--text-muted); }

.container-narrow {
    max-width: 860px;
    margin: 0 auto;
    padding: 2rem 2rem 5rem;
}

.post-header {
    margin-bottom: 2.5rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid #e2e8f0;
}

.post-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

.post-meta .card-tag { margin-bottom: 0; }

.post-reading-time {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.post-header h1 {
    font-family: var(--font-head);
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.post-byline {
    font-size: 0.88rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Contenu de l'article */
.post-content {
    font-size: 1.08rem;
    line-height: 1.85;
    color: #334155;
}

.post-content h2 {
    font-family: var(--font-head);
    font-size: 1.55rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.post-content h3 {
    font-family: var(--font-head);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.post-content p { margin-bottom: 1.1rem; }

.post-content ul, .post-content ol {
    padding-left: 1.5rem;
    margin-bottom: 1.25rem;
}

.post-content li {
    margin-bottom: 0.4rem;
    color: #334155;
}

.post-content strong { color: var(--text-primary); }

.post-content em { color: var(--primary-dark); }

.post-content a {
    color: var(--primary);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.post-content a:hover { color: var(--primary-dark); }

/* CTA dans l'article */
.article-cta {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin: 2.5rem 0;
    border-left: 5px solid var(--primary);
}

.article-cta h3 {
    margin-top: 0 !important;
    font-family: var(--font-head);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.article-cta p { margin-bottom: 0; color: var(--text-secondary); }

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    background: var(--grad-primary);
    color: white !important;
    padding: 0.85rem 2rem;
    border-radius: 50px;
    text-decoration: none !important;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 0.95rem;
    margin-top: 1.5rem;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(14,165,233,0.3);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(14,165,233,0.45);
}

/* Bannière sombre dans l'article */
.article-banner-dark {
    background: var(--bg-dark);
    color: #fff;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    text-align: center;
    margin: 2.5rem 0;
}

.article-banner-dark h2 {
    color: #fff !important;
    margin-top: 0 !important;
    font-size: 1.4rem !important;
}

.article-banner-dark p { color: rgba(255,255,255,0.7); }

.article-banner-dark .btn-cta {
    background: white;
    color: var(--primary-dark) !important;
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.article-banner-dark .btn-cta:hover { box-shadow: 0 10px 30px rgba(0,0,0,0.3); }

/* Navigation de retour */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--primary);
    text-decoration: none;
    font-family: var(--font-head);
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.back-link:hover { color: var(--primary-dark); gap: 0.2rem; }

/* Article footer */
.article-footer {
    background: #070e1a;
    color: rgba(255,255,255,0.4);
    text-align: center;
    padding: 2rem;
    font-size: 0.85rem;
    border-top: 1px solid rgba(14,165,233,0.1);
}

.article-footer a {
    color: rgba(255,255,255,0.55);
    text-decoration: none;
    transition: var(--transition);
}

.article-footer a:hover { color: var(--primary); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1200px) {
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); }
    .pricing-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.25rem;
    }
    .price-card.featured { transform: none; }
}

@media (max-width: 1024px) {
    .timeline::before { display: none; }
    .timeline { grid-template-columns: 1fr; gap: 1.25rem; padding-top: 0; }
    .timeline-item { text-align: left; display: grid; grid-template-columns: 80px 20px 1fr; align-items: start; gap: 1rem; }
    .timeline-dot { margin: 0.25rem 0 0; }
    .about-content { grid-template-columns: 1fr; gap: 3rem; }
    .about-visual { height: 320px; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
    .footer-top { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-right .nav-cta { display: none; }
    .mobile-menu-toggle { display: flex; }

    section { padding: 5rem 0; }

    .hero-stats {
        flex-direction: column;
        gap: 0;
        padding: 1.25rem;
        margin: 2rem 1rem;
    }

    .stat-item { padding: 0.75rem 0; width: 100%; }
    .stat-divider { width: 100%; height: 1px; }
    .stat-num { font-size: 1.6rem; }

    .hero-actions { flex-direction: column; align-items: center; }

    .portfolio-grid { grid-template-columns: 1fr; }

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

    .footer-top { grid-template-columns: 1fr; gap: 2rem; }
    .footer-content { flex-direction: column; text-align: center; }
    .footer-right { justify-content: center; }

    /* Blog */
    .blog-section { padding: 120px 1.25rem 60px; }
    .blog-grid { grid-template-columns: 1fr; }

    /* Article */
    .container-narrow { padding: 1.5rem 1.25rem 4rem; }
    .post-header h1 { font-size: 1.7rem; }
}

@media (max-width: 480px) {
    .container { padding: 0 1.25rem; }
    .hero h1 { font-size: 2.2rem; }
    .section-title { font-size: 1.8rem; }
    .timeline-item { grid-template-columns: 70px 16px 1fr; }
    .blog-grid { grid-template-columns: 1fr; }
    .article-cta, .article-banner-dark { padding: 1.75rem; }
}

/* Validation formulaire */
input:invalid:focus { border-color: #dc2626 !important; }
input:valid:focus   { border-color: #16a34a !important; }