/* =====================================================
   SARL IPE SOLUTIONS – Main CSS
   Version: 1.0 | 2024
   ===================================================== */

/* ====== CSS CUSTOM PROPERTIES ====== */
:root {
    --primary: #0d47a1;
    --primary-light: #1565c0;
    --primary-dark: #002171;
    --accent: #00b0ff;
    --accent-2: #00e5ff;
    --electric: #ffe57f;
    --success: #00c853;
    --white: #ffffff;
    --off-white: #f8faff;
    --light-gray: #f0f4f8;
    --mid-gray: #90a4ae;
    --dark: #0a0e1a;
    --dark-2: #0d1528;
    --dark-card: #111827;
    --text-dark: #1a202c;
    --text-body: #4a5568;
    --border: rgba(255,255,255,0.08);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.2);
    --shadow-blue: 0 8px 32px rgba(13,71,161,0.3);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Rajdhani', 'Inter', sans-serif;
    --container: 1240px;
    --nav-height: 80px;
}

/* ====== RESET & BASE ====== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
    font-family: var(--font-main);
    color: var(--text-body);
    background: var(--white);
    overflow-x: hidden;
    line-height: 1.7;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ====== UTILITIES ====== */
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.section-padding { padding: 100px 0; }
.bg-dark-alt { background: var(--off-white); }
.mt-4 { margin-top: 1.5rem; }
.accent { color: var(--accent); }
.gradient-text {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ====== BUTTONS ====== */
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.85rem 2rem; border-radius: 50px;
    font-weight: 600; font-size: 0.95rem;
    transition: var(--transition); cursor: pointer;
    white-space: nowrap;
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    box-shadow: var(--shadow-blue);
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(13,71,161,0.45);
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
}
.btn-outline {
    border: 2px solid var(--white);
    color: var(--white);
    background: transparent;
}
.btn-outline:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-2px);
}
.btn-full { width: 100%; justify-content: center; border-radius: var(--radius); }

/* ====== SECTION HEADERS ====== */
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-tag {
    display: inline-block;
    background: linear-gradient(135deg, rgba(13,71,161,0.1), rgba(0,176,255,0.15));
    color: var(--primary);
    padding: 0.4rem 1.2rem;
    border-radius: 50px;
    font-size: 0.8rem; font-weight: 700;
    letter-spacing: 0.1em; text-transform: uppercase;
    border: 1px solid rgba(13,71,161,0.2);
    margin-bottom: 1rem;
}
.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 2.8rem);
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.2;
    margin-bottom: 1rem;
}
.section-subtitle {
    font-size: 1.05rem; color: var(--text-body);
    max-width: 650px; margin: 1rem auto 0;
    line-height: 1.8;
}
.title-underline {
    width: 50px; height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px; margin-top: 0.75rem;
}
.title-underline.center { margin: 0.75rem auto 0; }

/* =====================================================
   HEADER / NAVBAR
   ===================================================== */
#header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
    height: var(--nav-height); transition: var(--transition);
}
#header.scrolled {
    background: rgba(10, 14, 26, 0.97);
    backdrop-filter: blur(20px);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
    height: 70px;
}
.navbar { height: 100%; }
.nav-container {
    display: flex; align-items: center; justify-content: space-between;
    height: 100%;
}
.nav-logo {
    display: flex; align-items: center; gap: 0.75rem;
    text-decoration: none;
}
.logo-img {
    height: 42px; width: auto;
    filter: brightness(1.1);
}
.logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.logo-name {
    font-family: var(--font-display);
    font-size: 1.3rem; font-weight: 700;
    color: var(--white); letter-spacing: 0.02em;
}
.logo-tagline {
    font-size: 0.65rem; color: rgba(255,255,255,0.6);
    font-weight: 400; letter-spacing: 0.05em;
}
.nav-menu {
    display: flex; align-items: center; gap: 0.25rem; list-style: none;
}
.nav-link {
    color: rgba(255,255,255,0.85);
    font-size: 0.9rem; font-weight: 500;
    padding: 0.5rem 0.85rem; border-radius: 8px;
    transition: var(--transition);
    position: relative;
}
.nav-link:hover, .nav-link.active {
    color: var(--accent);
    background: rgba(0,176,255,0.1);
}
.btn-nav {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white) !important;
    padding: 0.5rem 1.4rem;
    border-radius: 50px;
    font-weight: 600;
}
.btn-nav:hover {
    background: linear-gradient(135deg, var(--accent), var(--primary-light)) !important;
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(0,176,255,0.4);
}
.hamburger {
    display: none; flex-direction: column; gap: 5px;
    width: 32px; padding: 4px;
    background: transparent;
}
.hamburger span {
    display: block; height: 2.5px; width: 100%;
    background: var(--white); border-radius: 2px;
    transition: var(--transition);
}
.hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* =====================================================
   HERO SECTION
   ===================================================== */
.hero {
    position: relative; height: 100vh; min-height: 700px;
    display: flex; align-items: center;
    overflow: hidden; background: var(--dark-2);
}
.hero-bg {
    position: absolute; inset: 0;
}
.hero-img {
    width: 100%; height: 100%; object-fit: cover;
    opacity: 0.35;
}
.hero-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(135deg, rgba(10,14,26,0.92) 0%, rgba(13,71,161,0.7) 50%, rgba(0,176,255,0.2) 100%);
    z-index: 1;
}
.hero-content {
    position: relative; z-index: 2;
    max-width: 800px;
}
.hero-badge {
    display: inline-flex; align-items: center; gap: 0.5rem;
    background: linear-gradient(135deg, rgba(0,176,255,0.2), rgba(0,229,255,0.1));
    border: 1px solid rgba(0,176,255,0.3);
    color: var(--accent-2);
    padding: 0.5rem 1.2rem; border-radius: 50px;
    font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em;
    text-transform: uppercase; margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}
.hero-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800; line-height: 1.1;
    color: var(--white);
    margin-bottom: 1.5rem; letter-spacing: -0.01em;
}
.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: rgba(255,255,255,0.75);
    max-width: 600px; line-height: 1.8;
    margin-bottom: 2.5rem;
}
.hero-ctas {
    display: flex; gap: 1rem; flex-wrap: wrap;
    margin-bottom: 3.5rem;
}
.hero-stats {
    display: flex; align-items: center; gap: 0; flex-wrap: wrap;
    background: rgba(255,255,255,0.07);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg); padding: 1.5rem 2rem;
    width: fit-content;
}
.stat-item {
    display: flex; flex-direction: column; align-items: center;
    padding: 0 2rem;
}
.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem; font-weight: 800;
    color: var(--accent); line-height: 1;
}
.stat-plus {
    font-family: var(--font-display);
    font-size: 1.8rem; font-weight: 700;
    color: var(--accent); line-height: 1;
}
.stat-label {
    font-size: 0.75rem; color: rgba(255,255,255,0.6);
    text-transform: uppercase; letter-spacing: 0.05em;
    margin-top: 0.25rem; text-align: center;
}
.stat-divider {
    width: 1px; height: 40px;
    background: rgba(255,255,255,0.15);
}
.hero-scroll {
    position: absolute; bottom: 2rem; left: 50%; transform: translateX(-50%);
    z-index: 2;
}
.hero-scroll a {
    color: rgba(255,255,255,0.5);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    display: block;
}
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* =====================================================
   ABOUT SECTION
   ===================================================== */
.about { background: var(--white); }
.about-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 5rem; align-items: center;
}
.about-lead {
    font-size: 1.15rem; color: var(--text-dark);
    font-weight: 500; line-height: 1.7;
    margin-bottom: 1rem;
}
.about-text {
    font-size: 0.95rem; color: var(--text-body);
    line-height: 1.8; margin-bottom: 1rem;
}
.about-highlights {
    margin-top: 1.5rem;
    display: flex; flex-direction: column; gap: 0.75rem;
}
.highlight-item {
    display: flex; align-items: flex-start; gap: 0.75rem;
    font-size: 0.9rem; color: var(--text-dark); font-weight: 500;
}
.highlight-item i { color: var(--primary); font-size: 1rem; margin-top: 0.15rem; flex-shrink: 0; }
.about-visuals {
    position: relative; height: 520px;
}
.about-img-main {
    position: absolute; top: 0; right: 0;
    width: 85%; height: 380px; border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-lg);
}
.about-img-main img { width: 100%; height: 100%; object-fit: cover; }
.about-img-float {
    position: absolute; bottom: 0; left: 0;
    width: 55%; height: 200px; border-radius: var(--radius);
    overflow: hidden; box-shadow: var(--shadow-lg);
    border: 4px solid var(--white);
}
.about-img-float img { width: 100%; height: 100%; object-fit: cover; }
.about-badge-float {
    position: absolute; top: 50%; right: -1rem;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white); padding: 0.75rem 1.25rem;
    border-radius: var(--radius); box-shadow: var(--shadow-blue);
    display: flex; flex-direction: column; align-items: center; gap: 0.25rem;
    font-size: 0.8rem; font-weight: 700; text-align: center;
    white-space: nowrap;
}
.about-badge-float i { font-size: 1.5rem; margin-bottom: 0.25rem; }

/* =====================================================
   SERVICES SECTION
   ===================================================== */
.services { background: var(--off-white); }
.services-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem; margin-bottom: 3rem;
}
.service-card {
    background: var(--white); border-radius: var(--radius-lg);
    padding: 2rem; position: relative;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
    overflow: hidden;
}
.service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0); transition: var(--transition);
    transform-origin: left;
}
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.service-card:hover::before { transform: scaleX(1); }
.service-card.featured {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white); border-color: transparent;
    box-shadow: var(--shadow-blue);
}
.service-card.featured::before { display: none; }
.service-card.featured .service-title { color: var(--white); }
.service-card.featured .service-desc { color: rgba(255,255,255,0.8); }
.service-card.featured .service-list { color: rgba(255,255,255,0.85); }
.service-card.featured .service-link { color: var(--electric); }
.service-badge {
    position: absolute; top: 1rem; right: 1rem;
    background: var(--electric); color: var(--primary-dark);
    font-size: 0.7rem; font-weight: 800; text-transform: uppercase;
    letter-spacing: 0.05em; padding: 0.3rem 0.75rem; border-radius: 50px;
}
.service-icon {
    width: 60px; height: 60px;
    background: linear-gradient(135deg, rgba(13,71,161,0.1), rgba(0,176,255,0.15));
    border-radius: var(--radius);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1.25rem;
}
.service-icon i { font-size: 1.4rem; color: var(--primary); }
.service-card.featured .service-icon {
    background: rgba(255,255,255,0.15);
}
.service-card.featured .service-icon i { color: var(--electric); }
.service-title {
    font-family: var(--font-display);
    font-size: 1.15rem; font-weight: 700;
    color: var(--text-dark); margin-bottom: 0.75rem;
}
.service-desc {
    font-size: 0.88rem; color: var(--text-body);
    line-height: 1.7; margin-bottom: 1rem;
}
.service-list {
    display: flex; flex-direction: column; gap: 0.4rem;
    margin-bottom: 1.25rem;
}
.service-list li {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 0.83rem; color: var(--text-body);
}
.service-list li i { color: var(--accent); font-size: 0.75rem; }
.service-link {
    display: inline-flex; align-items: center; gap: 0.4rem;
    font-size: 0.85rem; font-weight: 700;
    color: var(--primary); transition: var(--transition);
    margin-top: auto;
}
.service-link:hover { gap: 0.7rem; }
.sav-banner {
    background: linear-gradient(135deg, var(--dark), var(--dark-2));
    border: 1px solid rgba(0,176,255,0.2);
    border-radius: var(--radius-lg); padding: 2rem 2.5rem;
    display: flex; align-items: center; gap: 2rem;
    box-shadow: var(--shadow-lg);
}
.sav-icon {
    width: 64px; height: 64px; flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.5rem; color: var(--white);
}
.sav-content { flex: 1; }
.sav-content h3 {
    font-family: var(--font-display);
    color: var(--white); font-size: 1.2rem;
    font-weight: 700; margin-bottom: 0.5rem;
}
.sav-content p { color: rgba(255,255,255,0.65); font-size: 0.9rem; line-height: 1.7; }

/* =====================================================
   SECTEURS SECTION
   ===================================================== */
.secteurs { background: var(--white); }
.secteurs-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.secteur-card {
    border-radius: var(--radius-lg); overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}
.secteur-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.secteur-img {
    position: relative; height: 220px; overflow: hidden;
}
.secteur-img img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.6s ease;
}
.secteur-card:hover .secteur-img img { transform: scale(1.08); }
.secteur-overlay {
    position: absolute; inset: 0;
    background: linear-gradient(to bottom, rgba(13,71,161,0.3), rgba(10,14,26,0.8));
    display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem; color: rgba(255,255,255,0.8);
    transition: var(--transition);
}
.secteur-card:hover .secteur-overlay { background: linear-gradient(to bottom, rgba(0,176,255,0.4), rgba(10,14,26,0.9)); }
.secteur-body {
    padding: 1.5rem; background: var(--white);
}
.secteur-body h3 {
    font-family: var(--font-display);
    font-size: 1.2rem; font-weight: 700;
    color: var(--text-dark); margin-bottom: 0.75rem;
}
.secteur-body p { font-size: 0.88rem; color: var(--text-body); line-height: 1.7; margin-bottom: 1rem; }
.secteur-body ul { display: flex; flex-direction: column; gap: 0.3rem; }
.secteur-body ul li {
    font-size: 0.82rem; color: var(--text-body);
    padding-left: 1rem; position: relative;
}
.secteur-body ul li::before {
    content: '▸'; position: absolute; left: 0; color: var(--accent); font-size: 0.75rem;
}

/* =====================================================
   RÉALISATIONS SECTION
   ===================================================== */
.realisations { background: var(--off-white); }
.filter-tabs {
    display: flex; gap: 0.75rem; justify-content: center;
    flex-wrap: wrap; margin-bottom: 2.5rem;
}
.filter-btn {
    padding: 0.6rem 1.5rem; border-radius: 50px;
    font-size: 0.88rem; font-weight: 600;
    background: var(--white); color: var(--text-body);
    border: 1.5px solid rgba(0,0,0,0.08);
    transition: var(--transition);
}
.filter-btn:hover, .filter-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white); border-color: transparent;
    box-shadow: var(--shadow-blue);
}
.projets-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem; margin-bottom: 3rem;
}
.projet-card {
    background: var(--white); border-radius: var(--radius);
    overflow: hidden; box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0,0,0,0.04);
    transition: var(--transition);
}
.projet-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.projet-card.hidden { display: none; }
.projet-header {
    padding: 0.85rem 1.25rem;
    display: flex; align-items: center; gap: 0.5rem;
}
.projet-header.industriel { background: linear-gradient(135deg, #e3f2fd, #bbdefb); }
.projet-header.hydraulique { background: linear-gradient(135deg, #e0f7fa, #b2ebf2); }
.projet-header.tertiaire { background: linear-gradient(135deg, #fce4ec, #f8bbd0); }
.projet-header i {
    font-size: 1rem;
}
.industriel i { color: #1565c0; }
.hydraulique i { color: #00838f; }
.tertiaire i { color: #c62828; }
.projet-cat {
    font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 0.07em; color: rgba(0,0,0,0.6);
}
.projet-body { padding: 1.25rem; }
.projet-body h4 {
    font-size: 0.95rem; font-weight: 700;
    color: var(--text-dark); margin-bottom: 0.5rem; line-height: 1.4;
}
.projet-body p { font-size: 0.83rem; color: var(--text-body); line-height: 1.6; margin-bottom: 1rem; }
.projet-meta {
    display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.5rem;
}
.projet-meta span {
    display: flex; align-items: center; gap: 0.35rem;
    font-size: 0.75rem; color: var(--mid-gray); font-weight: 500;
}
.projet-meta i { font-size: 0.7rem; color: var(--accent); }
.projet-client {
    display: flex; align-items: center; gap: 0.4rem;
    font-size: 0.8rem; font-weight: 600;
    color: var(--primary); border-top: 1px solid rgba(0,0,0,0.05);
    padding-top: 0.5rem; margin-top: 0.25rem;
}
.projet-client i { font-size: 0.75rem; }
.coverage-section {
    background: linear-gradient(135deg, var(--dark), var(--dark-2));
    border-radius: var(--radius-lg); padding: 2.5rem;
    text-align: center;
}
.coverage-section h3 {
    font-family: var(--font-display);
    color: var(--white); font-size: 1.4rem; font-weight: 700;
    margin-bottom: 1.5rem;
}
.coverage-section h3 i { color: var(--accent); margin-right: 0.5rem; }
.wilayas-list {
    display: flex; flex-wrap: wrap; gap: 0.75rem; justify-content: center;
}
.wilaya-tag {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.85);
    padding: 0.4rem 1rem; border-radius: 50px;
    font-size: 0.82rem; font-weight: 500;
    display: flex; align-items: center; gap: 0.35rem;
    transition: var(--transition);
}
.wilaya-tag i { color: var(--accent); font-size: 0.65rem; }
.wilaya-tag:hover { background: rgba(0,176,255,0.15); border-color: rgba(0,176,255,0.3); }

/* =====================================================
   ENGAGEMENTS SECTION
   ===================================================== */
.engagements { background: var(--white); }
.engagements-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
}
.engagement-card {
    background: var(--white); border-radius: var(--radius-lg);
    padding: 2rem; text-align: center;
    border: 1.5px solid rgba(0,0,0,0.05);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.engagement-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(13,71,161,0.1);
}
.eng-icon {
    width: 72px; height: 72px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.25rem;
    font-size: 1.7rem;
    border: 2.5px solid;
    background: transparent;
    transition: var(--transition);
}
.engagement-card:hover .eng-icon { transform: scale(1.1) rotate(8deg); }
.eng-blue  { color: #1a73e8; border-color: #1a73e8; background: rgba(26,115,232,0.06); }
.eng-green { color: #00c853; border-color: #00c853; background: rgba(0,200,83,0.06); }
.eng-orange{ color: #ff6d00; border-color: #ff6d00; background: rgba(255,109,0,0.06); }
.eng-purple{ color: #aa00ff; border-color: #aa00ff; background: rgba(170,0,255,0.06); }
.eng-cyan  { color: #00bcd4; border-color: #00bcd4; background: rgba(0,188,212,0.06); }
.eng-red   { color: #f44336; border-color: #f44336; background: rgba(244,67,54,0.06); }
.engagement-card:hover .eng-blue   { background: #1a73e8; color: #fff; }
.engagement-card:hover .eng-green  { background: #00c853; color: #fff; }
.engagement-card:hover .eng-orange { background: #ff6d00; color: #fff; }
.engagement-card:hover .eng-purple { background: #aa00ff; color: #fff; }
.engagement-card:hover .eng-cyan   { background: #00bcd4; color: #fff; }
.engagement-card:hover .eng-red    { background: #f44336; color: #fff; }
.engagement-card h4 {
    font-family: var(--font-display);
    font-size: 1.05rem; font-weight: 700;
    color: var(--text-dark); margin-bottom: 0.75rem;
}
.engagement-card p { font-size: 0.88rem; color: var(--text-body); line-height: 1.7; }

/* =====================================================
   PROCESSUS SECTION
   ===================================================== */
.processus { background: var(--off-white); }
.processus-steps {
    display: flex; align-items: flex-start; justify-content: center;
    gap: 0.5rem; flex-wrap: wrap;
}
.step {
    flex: 1; min-width: 150px; max-width: 200px;
    text-align: center; padding: 1.5rem;
    position: relative;
}
.step-num {
    font-family: var(--font-display);
    font-size: 3rem; font-weight: 800;
    color: rgba(13,71,161,0.08); line-height: 1;
    position: absolute; top: 0; left: 50%; transform: translateX(-50%);
}
.step-icon {
    width: 64px; height: 64px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex; align-items: center; justify-content: center;
    margin: 1.5rem auto 1rem;
    font-size: 1.3rem; color: var(--white);
    box-shadow: var(--shadow-blue);
    position: relative; z-index: 1;
}
.step h4 {
    font-family: var(--font-display);
    font-size: 0.95rem; font-weight: 700;
    color: var(--text-dark); margin-bottom: 0.5rem;
}
.step p { font-size: 0.82rem; color: var(--text-body); line-height: 1.6; }
.step-arrow {
    display: flex; align-items: center; padding-top: 4rem;
    color: var(--mid-gray); font-size: 1.2rem;
}

/* =====================================================
   ÉQUIPE SECTION
   ===================================================== */
.equipe { background: var(--white); }
.equipe-grid {
    display: grid; grid-template-columns: repeat(3, 1fr);
    gap: 2rem; margin-bottom: 4rem;
}
.team-card {
    background: var(--white); border-radius: var(--radius-lg);
    overflow: hidden; box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}
.team-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.team-avatar {
    background: linear-gradient(135deg, var(--dark), var(--primary));
    height: 180px;
    display: flex; align-items: center; justify-content: center;
    position: relative;
    overflow: hidden;
}
.avatar-circle {
    width: 90px; height: 90px; border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: 3px solid rgba(255,255,255,0.3);
    display: flex; align-items: center; justify-content: center;
    font-size: 2.5rem; color: rgba(255,255,255,0.9);
    backdrop-filter: blur(10px);
}
.team-social {
    position: absolute; bottom: 1rem; right: 1rem;
    display: flex; gap: 0.5rem;
}
.team-social a {
    width: 36px; height: 36px; border-radius: 50%;
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 0.85rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}
.team-social a:hover { background: var(--accent); border-color: var(--accent); transform: translateY(-2px); }
.team-info { padding: 1.5rem; }
.team-info h4 {
    font-family: var(--font-display);
    font-size: 1.1rem; font-weight: 700;
    color: var(--text-dark); margin-bottom: 0.35rem;
}
.team-role {
    display: inline-block;
    background: linear-gradient(135deg, rgba(13,71,161,0.1), rgba(0,176,255,0.15));
    color: var(--primary);
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 0.05em; padding: 0.25rem 0.75rem; border-radius: 50px;
    margin-bottom: 1rem;
}
.team-contacts { display: flex; flex-direction: column; gap: 0.3rem; }
.team-contacts p {
    display: flex; align-items: center; gap: 0.5rem;
    font-size: 0.8rem; color: var(--text-body);
}
.team-contacts i { color: var(--accent); width: 14px; font-size: 0.75rem; }
.team-contacts a:hover { color: var(--primary); }
.team-values {
    display: grid; grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    background: var(--off-white); border-radius: var(--radius-lg);
    padding: 2.5rem;
}
.tv-item { text-align: center; }
.tv-item i {
    font-size: 2rem; color: var(--primary);
    margin-bottom: 0.75rem; display: block;
}
.tv-item h5 {
    font-family: var(--font-display);
    font-size: 0.9rem; font-weight: 700;
    color: var(--text-dark); margin-bottom: 0.5rem;
}
.tv-item p { font-size: 0.8rem; color: var(--text-body); line-height: 1.6; }

/* =====================================================
   CONTACT SECTION
   ===================================================== */
.contact { background: var(--off-white); }
.contact-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 4rem; align-items: start;
}
.contact-info h3 {
    font-family: var(--font-display);
    font-size: 1.6rem; font-weight: 700;
    color: var(--text-dark); margin-bottom: 1rem;
}
.contact-info > p {
    font-size: 0.95rem; color: var(--text-body);
    line-height: 1.8; margin-bottom: 2rem;
}
.contact-cards { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 2rem; }
.contact-card {
    display: flex; gap: 1rem; align-items: flex-start;
    background: var(--white); border-radius: var(--radius);
    padding: 1rem 1.25rem;
    border: 1px solid rgba(0,0,0,0.06);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.contact-card:hover { box-shadow: var(--shadow-md); transform: translateX(4px); }
.cc-icon {
    width: 44px; height: 44px; flex-shrink: 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    color: var(--white); font-size: 1rem;
}
.cc-info h5 {
    font-size: 0.9rem; font-weight: 700;
    color: var(--text-dark); margin-bottom: 0.35rem;
}
.cc-info p { font-size: 0.83rem; color: var(--text-body); line-height: 1.6; }
.cc-info a:hover { color: var(--primary); }
.social-links {
    display: flex; align-items: center; gap: 0.75rem;
    flex-wrap: wrap;
}
.social-links span { font-size: 0.85rem; color: var(--text-body); font-weight: 500; }
.social-btn {
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--white); border: 1.5px solid rgba(0,0,0,0.08);
    display: flex; align-items: center; justify-content: center;
    color: var(--text-dark); font-size: 0.9rem;
    transition: var(--transition); box-shadow: var(--shadow-sm);
}
.social-btn:hover {
    background: var(--primary); color: var(--white);
    border-color: var(--primary); transform: translateY(-2px);
    box-shadow: var(--shadow-blue);
}
.contact-form-wrapper {
    background: var(--white); border-radius: var(--radius-lg);
    padding: 2.5rem; box-shadow: var(--shadow-md);
    border: 1px solid rgba(0,0,0,0.06);
}
.contact-form h3 {
    font-family: var(--font-display);
    font-size: 1.4rem; font-weight: 700;
    color: var(--text-dark); margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--off-white);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 1rem; }
.form-group label { font-size: 0.82rem; font-weight: 600; color: var(--text-dark); }
.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.75rem 1rem;
    border: 1.5px solid rgba(0,0,0,0.1);
    border-radius: var(--radius); font-size: 0.9rem;
    color: var(--text-dark); background: var(--off-white);
    transition: var(--transition); outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    background: var(--white);
    box-shadow: 0 0 0 3px rgba(13,71,161,0.1);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-note {
    margin-top: 0.75rem; text-align: center;
    font-size: 0.78rem; color: var(--mid-gray);
}
.form-success {
    text-align: center; padding: 3rem 2rem;
}
.success-icon {
    font-size: 4rem; color: var(--success);
    margin-bottom: 1rem;
}
.form-success h4 {
    font-family: var(--font-display);
    font-size: 1.5rem; font-weight: 700;
    color: var(--text-dark); margin-bottom: 0.75rem;
}
.form-success p { color: var(--text-body); margin-bottom: 1.5rem; }

/* =====================================================
   FOOTER
   ===================================================== */
.footer { background: var(--dark); }
.footer-top { padding: 5rem 0 3rem; }
.footer-grid {
    display: grid; grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
    gap: 3rem;
}
.footer-logo {
    display: flex; align-items: center; gap: 0.75rem; margin-bottom: 1.25rem;
}
.footer-logo-img { height: 38px; width: auto; }
.footer-logo-name {
    font-family: var(--font-display);
    font-size: 1.25rem; font-weight: 700;
    color: var(--white); display: block;
}
.footer-tagline {
    font-size: 0.65rem; color: rgba(255,255,255,0.5);
    display: block;
}
.footer-desc {
    font-size: 0.85rem; color: rgba(255,255,255,0.55);
    line-height: 1.8; margin-bottom: 1.5rem;
}
.footer-socials {
    display: flex; gap: 0.6rem;
}
.footer-socials a {
    width: 38px; height: 38px; border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.7); font-size: 0.85rem;
    transition: var(--transition);
}
.footer-socials a:hover { background: var(--accent); color: var(--white); border-color: var(--accent); }
.footer-links h5, .footer-services h5, .footer-contact h5 {
    font-family: var(--font-display);
    font-size: 0.95rem; font-weight: 700;
    color: var(--white); margin-bottom: 1.25rem;
    position: relative; padding-bottom: 0.75rem;
}
.footer-links h5::after, .footer-services h5::after, .footer-contact h5::after {
    content: ''; position: absolute; bottom: 0; left: 0;
    width: 30px; height: 2px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 1px;
}
.footer-links ul, .footer-services ul {
    display: flex; flex-direction: column; gap: 0.5rem;
}
.footer-links a, .footer-services a {
    display: flex; align-items: center; gap: 0.4rem;
    font-size: 0.83rem; color: rgba(255,255,255,0.55);
    transition: var(--transition);
}
.footer-links a i, .footer-services a i { font-size: 0.7rem; color: var(--accent); }
.footer-links a:hover, .footer-services a:hover {
    color: var(--accent); padding-left: 4px;
}
.footer-contact-items { display: flex; flex-direction: column; gap: 1rem; }
.fc-item {
    display: flex; align-items: flex-start; gap: 0.75rem;
}
.fc-item i { color: var(--accent); font-size: 0.9rem; margin-top: 0.2rem; flex-shrink: 0; }
.fc-item div, .fc-item span, .fc-item a {
    display: flex; flex-direction: column; gap: 0.2rem;
    font-size: 0.83rem; color: rgba(255,255,255,0.6);
    line-height: 1.5;
}
.fc-item a:hover { color: var(--accent); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.07);
    padding: 1.5rem 0;
}
.footer-bottom-inner {
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 0.5rem;
}
.footer-bottom p { font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* =====================================================
   BACK TO TOP
   ===================================================== */
.back-to-top {
    position: fixed; bottom: 2rem; right: 2rem; z-index: 999;
    width: 48px; height: 48px; border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--white); font-size: 1.1rem;
    display: flex; align-items: center; justify-content: center;
    box-shadow: var(--shadow-blue);
    opacity: 0; visibility: hidden; transform: translateY(10px);
    transition: var(--transition);
}
.back-to-top.visible {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.back-to-top:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(13,71,161,0.5); }

/* =====================================================
   RESPONSIVE
   ===================================================== */
@media (max-width: 1100px) {
    .services-grid,
    .secteurs-grid,
    .projets-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { gap: 3rem; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .team-values { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
    :root { --nav-height: 70px; }
    .hamburger { display: flex; }
    .nav-menu {
        position: fixed; top: var(--nav-height); left: 0; right: 0;
        background: rgba(10,14,26,0.98); backdrop-filter: blur(20px);
        flex-direction: column; gap: 0;
        padding: 1.5rem;
        transform: translateY(-100%);
        opacity: 0; visibility: hidden;
        transition: var(--transition);
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .nav-menu.open { transform: translateY(0); opacity: 1; visibility: visible; }
    .nav-link { padding: 0.85rem; border-radius: 8px; font-size: 1rem; width: 100%; }
    .btn-nav { text-align: center; margin-top: 0.5rem; border-radius: 8px; }
    .hero-stats { padding: 1rem 1.25rem; }
    .stat-item { padding: 0 1rem; }
    .stat-number { font-size: 1.8rem; }
    .engagements-grid { grid-template-columns: repeat(2, 1fr); }
    .equipe-grid { grid-template-columns: 1fr; max-width: 450px; margin: 0 auto 3rem; }
    .processus-steps { flex-direction: column; align-items: center; }
    .step-arrow { display: none; }
    .sav-banner { flex-direction: column; text-align: center; }
    .contact-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .about-grid { grid-template-columns: 1fr; }
    .about-visuals { height: 280px; margin-top: 2rem; }
    .about-img-main { width: 100%; height: 280px; position: relative; top: auto; right: auto; }
    .about-img-float { display: none; }
    .about-badge-float { display: none; }
}
@media (max-width: 640px) {
    .section-padding { padding: 70px 0; }
    .hero-stats { gap: 0; width: 100%; }
    .stat-item { padding: 0 0.75rem; }
    .stat-divider { display: none; }
    .services-grid,
    .secteurs-grid,
    .projets-grid,
    .engagements-grid { grid-template-columns: 1fr; }
    .team-values { grid-template-columns: 1fr 1fr; gap: 1rem; padding: 1.5rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
    .footer-bottom-inner { flex-direction: column; text-align: center; }
    .form-row { grid-template-columns: 1fr; }
    .hero-ctas { flex-direction: column; }
    .hero-ctas .btn { width: 100%; justify-content: center; }
    .filter-tabs { gap: 0.5rem; }
    .filter-btn { padding: 0.5rem 1rem; font-size: 0.82rem; }
}