/* MaintForge — Landing page specific styles
   Extracted from MaintForge.html. These complement Tailwind for
   marketing-specific animations and layouts. */

/* Navbar blur effect */
.navbar-landing {
    position: fixed;
    top: 0;
    width: 100%;
    height: 72px;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: box-shadow 0.3s ease;
}
.navbar-landing.scrolled {
    box-shadow: 0 4px 24px rgba(26, 58, 107, 0.08);
}

/* Logo gradient icon */
.nav-logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-dark);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1.1rem;
}

/* Hero section */
.hero-section {
    padding-top: 120px;
    padding-bottom: 80px;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}

/* Card accent top border (gradient) */
.card-accent-top {
    border-top: 3px solid transparent;
    background-image: linear-gradient(white, white),
                      linear-gradient(135deg, var(--primary), var(--accent));
    background-origin: border-box;
    background-clip: padding-box, border-box;
}

/* Pricing card popular variant */
.pricing-popular {
    border: 2px solid var(--accent);
    position: relative;
}
.pricing-popular::before {
    content: '★ Populaire';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: white;
    padding: 4px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Dark sections (problems, footer) */
.section-dark {
    background: var(--bg-dark);
    color: var(--text-white);
}
.section-dark .card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-white);
}

/* FAQ accordion */
.faq-item summary {
    cursor: pointer;
    list-style: none;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--primary);
    transition: transform 0.2s;
}
.faq-item[open] summary::after {
    transform: rotate(45deg);
}
.faq-item .faq-content {
    padding: 0 1.5rem 1.25rem;
    color: var(--text-light);
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-section { padding-top: 100px; }
}
@media (max-width: 768px) {
    .hero-section { padding-top: 88px; padding-bottom: 48px; }
    .navbar-landing .nav-links { display: none; }
}

/* ================================================================== */
/* Styles extracted from MaintForge.html (original inline styles)      */
/* ================================================================== */

/* ===== SECTIONS ===== */
section { padding: 6rem 2rem; }
.container { max-width: 1200px; margin: 0 auto; }
.section-label {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--bg-alt); border: 1px solid var(--border);
    padding: 6px 16px; border-radius: 100px;
    font-size: 0.8rem; font-weight: 600; color: var(--primary);
    text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 1.5rem;
}
.section-label .dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--accent); display: inline-block;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); font-weight: 700; line-height: 1.15; color: var(--primary-dark); }
h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; line-height: 1.2; color: var(--primary-dark); }
h3 { font-size: 1.25rem; font-weight: 600; color: var(--primary-dark); }
.text-accent { color: var(--accent); }
.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

/* ===== HERO ===== */
.hero {
    min-height: 100vh; display: flex; align-items: center;
    background: linear-gradient(168deg, #faf8f4 0%, #f5f0e8 40%, #fef6e6 100%);
    position: relative; overflow: hidden; padding-top: 72px;
}
.hero::before {
    content: ''; position: absolute; top: -200px; right: -200px;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(237,174,73,0.08) 0%, transparent 70%);
    border-radius: 50%;
}
.hero::after {
    content: ''; position: absolute; bottom: -100px; left: -100px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(42,32,23,0.06) 0%, transparent 70%);
    border-radius: 50%;
}
.hero .container { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 4rem; align-items: center; position: relative; z-index: 1; }
.hero-content p { font-size: 1.15rem; color: var(--text-light); margin: 1.5rem 0 2rem; max-width: 540px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 2rem; }
.hero-badges .badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: white; border: 1px solid var(--border);
    padding: 8px 16px; border-radius: 100px;
    font-size: 0.82rem; font-weight: 500; color: var(--text);
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.badge-icon { font-size: 1.1rem; }
.hero-ctas { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 14px 32px; border-radius: 10px; font-size: 1rem;
    font-weight: 600; text-decoration: none; border: none; cursor: pointer;
    transition: all 0.3s ease; font-family: var(--font);
}
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white; box-shadow: 0 4px 16px rgba(42,32,23,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(42,32,23,0.4); }
.btn-outline {
    background: white; color: var(--primary); border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: white; }
.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: white; box-shadow: 0 4px 16px rgba(237,174,73,0.3);
}
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(237,174,73,0.4); }

.hero-visual {
    position: relative; display: flex; justify-content: center; align-items: center;
}
.hero-mockup {
    width: 100%; max-width: 520px;
    background: white; border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg); overflow: hidden;
    border: 1px solid var(--border);
}
.mockup-bar {
    background: var(--bg-alt); padding: 12px 16px;
    display: flex; align-items: center; gap: 8px;
    border-bottom: 1px solid var(--border);
}
.mockup-dot { width: 10px; height: 10px; border-radius: 50%; }
.mockup-dot.r { background: #ff5f57; }
.mockup-dot.y { background: #ffbd2e; }
.mockup-dot.g { background: #28ca41; }
.mockup-url {
    flex: 1; margin-left: 12px; background: white; border-radius: 6px;
    padding: 4px 12px; font-size: 0.75rem; color: var(--text-light);
    font-family: var(--mono);
}
.mockup-body { padding: 20px; }
.mockup-dashboard { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mock-card {
    background: var(--bg-alt); border-radius: 10px; padding: 16px;
    border: 1px solid var(--border);
}
.mock-card .mc-label { font-size: 0.7rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 4px; }
.mock-card .mc-value { font-size: 1.5rem; font-weight: 700; }
.mock-card .mc-value.green { color: var(--accent); }
.mock-card .mc-value.blue { color: var(--primary); }
.mock-card .mc-value.orange { color: var(--orange); }
.mock-card .mc-value.red { color: var(--red); }
.mock-chart {
    grid-column: 1 / -1; background: var(--bg-alt);
    border-radius: 10px; padding: 16px; border: 1px solid var(--border);
    height: 120px; position: relative; overflow: hidden;
}
.mock-chart .mc-label { font-size: 0.7rem; color: var(--text-light); text-transform: uppercase; letter-spacing: 0.05em; }
.chart-bars { display: flex; align-items: flex-end; gap: 6px; height: 80px; margin-top: 8px; }
.chart-bar {
    flex: 1; border-radius: 4px 4px 0 0;
    background: linear-gradient(to top, var(--primary), var(--accent));
    opacity: 0.8; animation: growBar 1.5s ease-out forwards;
}
@keyframes growBar { from { height: 0; } }
.mock-ai-card {
    grid-column: 1 / -1; background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    border-radius: 10px; padding: 16px; color: white;
}
.mock-ai-card .mc-label { font-size: 0.7rem; opacity: 0.7; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
.mock-ai-card .ai-text { font-size: 0.82rem; line-height: 1.5; opacity: 0.9; }
.mock-ai-card .ai-cursor { display: inline-block; width: 2px; height: 14px; background: var(--accent); animation: blink 1s infinite; vertical-align: middle; margin-left: 2px; }
@keyframes blink { 0%,50% { opacity: 1; } 51%,100% { opacity: 0; } }

.hero-float {
    position: absolute; background: white; border-radius: 12px;
    padding: 12px 18px; box-shadow: var(--shadow-lg);
    font-size: 0.8rem; font-weight: 600; display: flex; align-items: center; gap: 8px;
    animation: float 4s ease-in-out infinite;
    border: 1px solid var(--border);
}
.hero-float.f1 { top: 10%; right: -20px; animation-delay: 0s; }
.hero-float.f2 { bottom: 15%; left: -20px; animation-delay: 1.5s; }
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* ===== PROBLEMS ===== */
.problems { background: var(--bg-dark); color: var(--text-white); }
.problems h2 { color: white; }
.problems .section-label { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); color: var(--accent-light); }
.problems-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.problem-card {
    background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius); padding: 2rem; transition: all 0.3s;
}
.problem-card:hover { background: rgba(255,255,255,0.08); transform: translateY(-4px); }
.problem-card .pc-icon { font-size: 2rem; margin-bottom: 1rem; }
.problem-card h3 { color: white; margin-bottom: 0.5rem; }
.problem-card p { color: rgba(255,255,255,0.65); font-size: 0.92rem; }
.problem-card .pc-stat {
    margin-top: 1rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,0.1);
    font-family: var(--mono); font-size: 0.8rem; color: var(--accent-light);
}

/* ===== FEATURES ===== */
.features { background: white; }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 3rem; }
.feature-card {
    background: white; border-radius: var(--radius); padding: 2rem;
    border: 1px solid var(--border); transition: all 0.3s; position: relative; overflow: hidden;
}
.feature-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: transform 0.3s; transform-origin: left;
}
.feature-card:hover::before { transform: scaleX(1); }
.feature-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.feature-card .fc-icon {
    width: 48px; height: 48px; border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.4rem; margin-bottom: 1rem;
}
.fc-icon.blue { background: rgba(42,32,23,0.08); }
.fc-icon.green { background: rgba(237,174,73,0.08); }
.fc-icon.orange { background: rgba(243,156,18,0.08); }
.feature-card p { color: var(--text-light); font-size: 0.9rem; margin-top: 0.5rem; }

/* ===== IA SECTION ===== */
.ia-section { position: relative; overflow: hidden; }
.ia-section::before {
    content: ''; position: absolute; inset: 0;
    background: var(--bg-alt);
    z-index: 0;
}
.ia-section .container { position: relative; z-index: 1; }
.ia-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; margin-top: 3rem; }
.ia-capabilities { display: flex; flex-direction: column; gap: 1.5rem; }
.ia-cap {
    display: flex; gap: 1rem; padding: 1.5rem;
    background: white; border-radius: var(--radius);
    border: 1px solid var(--border); box-shadow: var(--shadow);
    transition: all 0.3s;
}
.ia-cap:hover { transform: translateX(8px); box-shadow: var(--shadow-lg); }
.ia-cap .cap-icon {
    width: 44px; height: 44px; min-width: 44px;
    border-radius: 10px; display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem; background: var(--primary-dark);
    color: white;
}
.ia-cap h4 { font-size: 1rem; font-weight: 600; color: var(--primary-dark); margin-bottom: 4px; }
.ia-cap p { font-size: 0.85rem; color: var(--text-light); line-height: 1.5; }
.ia-demo {
    background: var(--primary-dark); border-radius: var(--radius-lg);
    padding: 2rem; color: white; font-family: var(--mono); font-size: 0.85rem;
    box-shadow: var(--shadow-lg); position: relative; overflow: hidden;
}
.ia-demo::before {
    content: ''; position: absolute; top: 0; right: 0;
    width: 200px; height: 200px;
    background: radial-gradient(circle, rgba(237,174,73,0.15), transparent);
    border-radius: 50%;
}
.ia-demo-header {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 1.5rem; font-family: var(--font); font-weight: 600;
}
.ia-demo-header .dot { width: 10px; height: 10px; background: var(--accent); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
.ia-line { margin-bottom: 1rem; line-height: 1.6; }
.ia-line .user-label { color: var(--accent-light); font-weight: 500; }
.ia-line .ai-label { color: var(--orange); font-weight: 500; }
.ia-line .highlight { color: var(--accent); }

/* ===== IUT PARTNERSHIP ===== */
.iut-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, #2a2017 100%);
    color: white; position: relative; overflow: hidden;
}
.iut-section::before {
    content: ''; position: absolute; top: -100px; right: -100px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(237,174,73,0.1), transparent);
    border-radius: 50%;
}
.iut-section::after {
    content: ''; position: absolute; bottom: -150px; left: -150px;
    width: 400px; height: 400px;
    background: radial-gradient(circle, rgba(243,156,18,0.08), transparent);
    border-radius: 50%;
}
.iut-section .container { position: relative; z-index: 1; }
.iut-section .section-label { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.15); color: var(--accent-light); }
.iut-section h2 { color: white; }
.iut-intro { font-size: 1.1rem; color: rgba(255,255,255,0.75); max-width: 750px; margin: 1rem 0 2.5rem; }

/* IUT Logos */
.iut-logos {
    display: flex; align-items: center; gap: 2rem;
    margin-bottom: 2rem; flex-wrap: wrap;
}
.iut-logo-img {
    height: 64px; width: auto; border-radius: 8px;
    background: white; padding: 8px 12px;
    object-fit: contain; transition: transform 0.3s;
}
.iut-logo-img:hover { transform: scale(1.05); }
.iut-logo-uca { height: 56px; padding: 10px 16px; }
.iut-logos-sep {
    width: 2px; height: 40px;
    background: rgba(255,255,255,0.2); border-radius: 1px;
}

/* IUT Photos */
.iut-photos {
    display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem;
    margin-bottom: 3rem;
}
.iut-photo-card {
    border-radius: var(--radius); overflow: hidden;
    position: relative; aspect-ratio: 16/10;
    border: 2px solid rgba(255,255,255,0.1);
    transition: all 0.4s;
}
.iut-photo-card:hover { border-color: var(--accent); transform: translateY(-4px); }
.iut-photo-card img {
    width: 100%; height: 100%; object-fit: cover;
    transition: transform 0.5s;
}
.iut-photo-card:hover img { transform: scale(1.05); }
.iut-photo-caption {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.75));
    padding: 2rem 1rem 0.8rem;
    color: white; font-size: 0.8rem; font-weight: 500;
}

.iut-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-bottom: 3rem; }
.iut-partnership {
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg); padding: 2.5rem;
}
.iut-partnership h3 { color: white; font-size: 1.3rem; margin-bottom: 1rem; }
.iut-partnership p { color: rgba(255,255,255,0.7); font-size: 0.95rem; margin-bottom: 1.5rem; }
.iut-benefits { list-style: none; }
.iut-benefits li {
    padding: 0.6rem 0; color: rgba(255,255,255,0.85);
    display: flex; align-items: flex-start; gap: 10px; font-size: 0.92rem;
}
.iut-benefits li::before { content: '\2713'; color: var(--accent); font-weight: 700; min-width: 20px; }
.iut-student-offer {
    background: linear-gradient(135deg, var(--accent-dark), var(--accent));
    border-radius: var(--radius-lg); padding: 2.5rem;
    display: flex; flex-direction: column; justify-content: center;
}
.iut-student-offer .offer-badge {
    display: inline-flex; align-items: center; gap: 6px;
    background: rgba(255,255,255,0.2); padding: 6px 14px;
    border-radius: 100px; font-size: 0.8rem; font-weight: 600;
    width: fit-content; margin-bottom: 1.5rem;
}
.iut-student-offer h3 { color: white; font-size: 1.5rem; margin-bottom: 0.5rem; }
.iut-student-offer .price-tag { font-size: 3rem; font-weight: 700; color: white; margin: 1rem 0; }
.iut-student-offer .price-tag span { font-size: 1rem; font-weight: 400; opacity: 0.8; }
.iut-student-offer p { color: rgba(255,255,255,0.85); font-size: 0.92rem; }

/* Algorithms */
.algo-title { color: white; font-size: 1.4rem; margin-bottom: 0.5rem; text-align: center; }
.algo-subtitle { color: rgba(255,255,255,0.6); text-align: center; margin-bottom: 2.5rem; font-size: 0.95rem; }
.algo-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; }
.algo-card {
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius); padding: 2rem; transition: all 0.3s;
    position: relative; overflow: hidden;
}
.algo-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-4px); }
.algo-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
}
.algo-card.gumbel::before { background: linear-gradient(90deg, #c0392b, #EDAE49); }
.algo-card.prev::before { background: linear-gradient(90deg, var(--accent), #00cec9); }
.algo-card.prob::before { background: linear-gradient(90deg, var(--primary-light), #a29bfe); }
.algo-card.decision::before { background: linear-gradient(90deg, #EDAE49, #F5C97A); }
.algo-card .ac-icon { font-size: 2rem; margin-bottom: 1rem; }
.algo-card h3 { color: white; font-size: 1.1rem; margin-bottom: 0.5rem; }
.algo-card .ac-formula {
    font-family: var(--mono); font-size: 0.78rem;
    background: rgba(0,0,0,0.3); padding: 8px 12px; border-radius: 6px;
    margin: 0.8rem 0; color: var(--accent-light); overflow-x: auto;
}
.algo-card p { color: rgba(255,255,255,0.65); font-size: 0.88rem; line-height: 1.6; }
.algo-card .ac-tag {
    display: inline-block; margin-top: 1rem;
    padding: 4px 10px; border-radius: 100px; font-size: 0.72rem; font-weight: 600;
    background: rgba(237,174,73,0.15); color: var(--accent-light);
}

/* ===== IOT SECTION ===== */
.iot-section { background: var(--bg); }
.iot-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; margin-bottom: 3.5rem; }
.iot-card {
    background: white; border-radius: var(--radius-lg); padding: 2.5rem;
    border: 1px solid var(--border); position: relative;
}
.iot-card.main-card { border: 2px solid var(--primary); }
.iot-card-badge {
    position: absolute; top: -12px; left: 24px;
    background: var(--primary); color: white; padding: 4px 14px;
    border-radius: 100px; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.08em;
}
.iot-card-icon { text-align: center; margin: 0.5rem 0 1.5rem; }
.iot-card h3 { font-size: 1.15rem; margin-bottom: 0.3rem; }
.iot-subtitle { color: var(--text-light); font-size: 0.9rem; margin-bottom: 1.5rem; }
.iot-specs { display: flex; flex-direction: column; gap: 0; }
.spec-row {
    display: flex; justify-content: space-between; align-items: center;
    padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 0.85rem;
}
.spec-row:last-child { border-bottom: none; }
.spec-label { font-weight: 600; color: var(--primary-dark); min-width: 140px; }
.spec-value { color: var(--text-light); text-align: right; }
.iot-sensors-col { display: flex; flex-direction: column; gap: 0.8rem; }
.sensor-card {
    display: flex; gap: 1rem; padding: 1rem 1.2rem;
    background: var(--bg-alt); border-radius: var(--radius);
    border: 1px solid var(--border); transition: all 0.3s;
}
.sensor-card:hover { background: white; box-shadow: var(--shadow); transform: translateX(4px); }
.sensor-icon { font-size: 1.5rem; min-width: 32px; display: flex; align-items: center; justify-content: center; }
.sensor-card h4 { font-size: 0.92rem; font-weight: 600; color: var(--primary-dark); margin-bottom: 2px; }
.sensor-card p { font-size: 0.8rem; color: var(--text-light); line-height: 1.4; }
.iot-flow {
    background: var(--bg-alt); border-radius: var(--radius-lg);
    padding: 2.5rem; border: 1px solid var(--border);
}
.flow-steps { display: flex; align-items: flex-start; gap: 0; justify-content: center; }
.flow-step {
    flex: 1; text-align: center; padding: 0 1rem; max-width: 220px;
}
.flow-num {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--primary); color: white; font-size: 0.8rem; font-weight: 700;
    display: flex; align-items: center; justify-content: center; margin: 0 auto 0.5rem;
}
.flow-icon { font-size: 2rem; margin-bottom: 0.5rem; }
.flow-step h4 { font-size: 0.9rem; font-weight: 600; color: var(--primary-dark); margin-bottom: 0.3rem; }
.flow-step p { font-size: 0.8rem; color: var(--text-light); line-height: 1.4; }
.flow-arrow {
    color: var(--accent); font-size: 1.5rem; font-weight: 700;
    display: flex; align-items: center; padding-top: 2.5rem;
}

/* ===== PRICING ===== */
.pricing { background: var(--bg-alt); }
.pricing-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; margin-top: 3rem; }
.price-card {
    background: white; border-radius: var(--radius-lg); padding: 2.5rem 2rem;
    border: 2px solid var(--border); transition: all 0.3s; position: relative;
}
.price-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.price-card.popular {
    border-color: var(--accent); background: white;
}
.price-card.popular::after {
    content: '\2605 POPULAIRE'; position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    background: var(--accent); color: white; padding: 4px 16px; border-radius: 100px;
    font-size: 0.72rem; font-weight: 700; letter-spacing: 0.05em;
}
.price-card .pc-name { font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-light); margin-bottom: 0.5rem; }
.price-card .pc-price { font-size: 2.8rem; font-weight: 700; color: var(--primary-dark); line-height: 1; }
.price-card .pc-price span { font-size: 0.9rem; font-weight: 400; color: var(--text-light); }
.price-card .pc-desc { font-size: 0.85rem; color: var(--text-light); margin: 0.5rem 0 1.5rem; min-height: 40px; }
.price-card .pc-features { list-style: none; margin-bottom: 2rem; }
.price-card .pc-features li {
    padding: 0.4rem 0; font-size: 0.88rem; color: var(--text);
    display: flex; align-items: flex-start; gap: 8px;
}
.price-card .pc-features li::before { content: '\2713'; color: var(--accent); font-weight: 700; min-width: 16px; }
.price-card .pc-features li.disabled { opacity: 0.35; }
.price-card .pc-features li.disabled::before { content: '\2014'; color: var(--text-light); }
.price-card .btn { width: 100%; justify-content: center; }
.pricing-note { text-align: center; margin-top: 2rem; color: var(--text-light); font-size: 0.88rem; }

/* ===== ARCHITECTURE ===== */
.architecture { background: var(--bg); }
.arch-visual {
    margin-top: 3rem; background: var(--primary-dark); border-radius: var(--radius-lg);
    padding: 3rem; color: white; font-family: var(--mono); font-size: 0.82rem;
    overflow-x: auto; box-shadow: var(--shadow-lg);
}
.arch-layers { display: flex; flex-direction: column; gap: 1rem; }
.arch-layer {
    background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.1);
    border-radius: 10px; padding: 1.5rem;
}
.arch-layer-title { font-family: var(--font); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--accent-light); margin-bottom: 0.8rem; }
.arch-items { display: flex; flex-wrap: wrap; gap: 10px; }
.arch-item {
    background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12);
    padding: 6px 14px; border-radius: 6px; font-size: 0.78rem;
    display: flex; align-items: center; gap: 6px;
}
.arch-item .ai-badge { background: var(--accent); color: white; padding: 2px 6px; border-radius: 4px; font-size: 0.65rem; font-weight: 700; }
.arch-arrow {
    text-align: center; color: rgba(255,255,255,0.3); font-size: 1.5rem;
    padding: 0.3rem 0;
}
.arch-cost {
    text-align: center; margin-top: 1.5rem; padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-family: var(--font);
}
.arch-cost .cost-label { font-size: 0.8rem; color: rgba(255,255,255,0.5); }
.arch-cost .cost-value { font-size: 1.4rem; font-weight: 700; color: var(--accent); margin-top: 4px; }

/* ===== ROADMAP ===== */
.roadmap { background: var(--bg-alt); }
.timeline { margin-top: 3rem; position: relative; }
.timeline::before {
    content: ''; position: absolute; left: 50%; top: 0; bottom: 0;
    width: 3px; background: linear-gradient(to bottom, var(--primary), var(--accent));
    transform: translateX(-50%); border-radius: 3px;
}
.tl-item { display: flex; align-items: flex-start; margin-bottom: 2rem; position: relative; }
.tl-item:nth-child(odd) { flex-direction: row; }
.tl-item:nth-child(even) { flex-direction: row-reverse; }
.tl-content {
    width: 45%; background: white; border-radius: var(--radius);
    padding: 1.5rem; border: 1px solid var(--border);
    box-shadow: var(--shadow); transition: all 0.3s;
}
.tl-content:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.tl-dot {
    position: absolute; left: 50%; top: 1.5rem; transform: translateX(-50%);
    width: 16px; height: 16px; border-radius: 50%;
    background: white; border: 3px solid var(--primary);
    z-index: 1;
}
.tl-item:last-child .tl-dot { border-color: var(--accent); }
.tl-date {
    font-family: var(--mono); font-size: 0.8rem; font-weight: 600;
    color: var(--primary); background: rgba(42,32,23,0.06);
    padding: 4px 12px; border-radius: 100px; display: inline-block; margin-bottom: 0.8rem;
}
.tl-content h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.tl-content p { font-size: 0.85rem; color: var(--text-light); }
.tl-spacer { width: 10%; }

/* ===== ADVANTAGES ===== */
.advantages { background: var(--bg); }
.adv-table {
    margin-top: 3rem; overflow-x: auto; border-radius: var(--radius-lg);
    box-shadow: var(--shadow); border: 1px solid var(--border);
}
.adv-table table { width: 100%; border-collapse: collapse; }
.adv-table th {
    background: var(--primary-dark); color: white;
    padding: 1rem 1.5rem; text-align: left; font-size: 0.88rem; font-weight: 600;
}
.adv-table th:first-child { border-radius: var(--radius) 0 0 0; }
.adv-table th:last-child { border-radius: 0 var(--radius) 0 0; }
.adv-table td {
    padding: 1rem 1.5rem; border-bottom: 1px solid var(--border);
    font-size: 0.88rem; vertical-align: middle;
}
.adv-table tr:last-child td { border-bottom: none; }
.adv-table tr:hover td { background: var(--bg-alt); }
.adv-table .competitor { font-weight: 600; color: var(--text); }
.adv-table .advantage { color: var(--accent-dark); font-weight: 500; }

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    color: white; text-align: center;
}
.cta-section h2 { color: white; margin-bottom: 1rem; }
.cta-section p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 600px; margin: 0 auto 2rem; }
.cta-buttons { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
.cta-trust {
    margin-top: 3rem; display: flex; justify-content: center; gap: 3rem;
    color: rgba(255,255,255,0.5); font-size: 0.85rem;
}
.cta-trust span { display: flex; align-items: center; gap: 6px; }

/* ===== FOOTER ===== */
footer {
    background: var(--bg-dark); color: rgba(255,255,255,0.5);
    padding: 3rem 2rem 2rem;
}
.footer-inner {
    max-width: 1200px; margin: 0 auto;
    display: flex; justify-content: space-between; align-items: center;
    flex-wrap: wrap; gap: 1rem;
}
.footer-brand { display: flex; align-items: center; gap: 10px; }
.footer-brand .logo-icon {
    width: 32px; height: 32px; background: linear-gradient(135deg, var(--primary-light), var(--accent));
    border-radius: 8px; display: flex; align-items: center; justify-content: center;
    color: white; font-weight: 700; font-size: 14px;
}
.footer-brand span { color: white; font-weight: 600; font-size: 0.95rem; }
.footer-links { display: flex; gap: 2rem; }
.footer-links a { color: rgba(255,255,255,0.5); text-decoration: none; font-size: 0.85rem; transition: color 0.2s; }
.footer-links a:hover { color: var(--accent); }
.footer-bidev {
    width: 100%; margin-top: 1.5rem; padding-top: 1.5rem;
    border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center;
}
.footer-bidev > p { font-size: 0.8rem; color: rgba(255,255,255,0.4); margin-bottom: 0.8rem; }
.bidev-link {
    display: inline-flex; align-items: center; gap: 12px;
    text-decoration: none; color: white;
    background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.12);
    padding: 12px 24px; border-radius: 12px; transition: all 0.3s;
}
.bidev-link:hover { background: rgba(255,255,255,0.1); transform: translateY(-2px); }
.bidev-logo {
    width: 36px; height: 36px; border-radius: 8px;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 16px; color: white;
}
.bidev-link strong { font-size: 0.95rem; display: block; }
.bidev-link small { font-size: 0.75rem; color: rgba(255,255,255,0.5); display: block; margin-top: 1px; }
.bidev-services {
    display: flex; gap: 1.5rem; justify-content: center; margin-top: 1rem; flex-wrap: wrap;
}
.bidev-services a {
    color: rgba(255,255,255,0.4); text-decoration: none; font-size: 0.78rem;
    transition: color 0.2s;
}
.bidev-services a:hover { color: var(--accent); }
.footer-copy { font-size: 0.8rem; width: 100%; text-align: center; margin-top: 1.5rem; padding-top: 1.5rem; border-top: 1px solid rgba(255,255,255,0.08); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero .container { grid-template-columns: 1fr; text-align: center; }
    .hero-content p { margin-left: auto; margin-right: auto; }
    .hero-badges { justify-content: center; }
    .hero-ctas { justify-content: center; }
    .hero-visual { margin-top: 2rem; }
    .hero-float { display: none; }
    .ia-grid { grid-template-columns: 1fr; }
    .iut-grid { grid-template-columns: 1fr; }
    .iut-photos { grid-template-columns: 1fr 1fr 1fr; }
    .iot-grid { grid-template-columns: 1fr; }
    .flow-steps { flex-direction: column; align-items: center; }
    .flow-arrow { transform: rotate(90deg); padding: 0.5rem 0; }
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .timeline::before { left: 20px; }
    .tl-item, .tl-item:nth-child(even) { flex-direction: row; }
    .tl-dot { left: 20px; }
    .tl-content { width: calc(100% - 60px); margin-left: 50px; }
    .tl-spacer { display: none; }
}
@media (max-width: 768px) {
    .hero .container { grid-template-columns: 1fr; gap: 2rem; }
    .hero-visual { display: none; }
    .hero h1 { font-size: 2rem; }
    .hero-content p { font-size: 1rem; }
    .hero-badges { flex-direction: column; align-items: flex-start; }
    .hero-ctas { flex-direction: column; }
    .hero-ctas .btn { width: 100%; justify-content: center; }

    section { padding: 3rem 1rem; }
    .container { padding: 0 1rem; }
    .nav-links { display: none; }
    .mobile-toggle { display: block; }

    .problems-grid { grid-template-columns: 1fr; }
    .features-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin-left: auto; margin-right: auto; }

    .ia-grid { grid-template-columns: 1fr; gap: 2rem; }
    .ia-demo { font-size: 0.78rem; padding: 1.5rem; }

    .iut-grid { grid-template-columns: 1fr; }
    .iut-photos { grid-template-columns: 1fr; }
    .iut-logos { justify-content: center; }

    .adv-table { font-size: 0.8rem; }
    .adv-table th, .adv-table td { padding: 0.7rem 1rem; }

    h1 { font-size: clamp(1.6rem, 6vw, 2.2rem); }
    h2 { font-size: clamp(1.3rem, 5vw, 1.8rem); }
}
@media (max-width: 480px) {
    .hero-badges .badge { font-size: 0.72rem; padding: 6px 12px; }
    .pricing-grid { gap: 1rem; }
    .price-card { padding: 1.5rem 1rem; }
    .pc-price { font-size: 2rem; }
    .btn { padding: 12px 20px; font-size: 0.88rem; width: 100%; justify-content: center; }
}