/* ============================================
   GBIN Product Page — produit.css
   Gnovex Design System · Light Theme
   ============================================ */

/* ── Variables ── */
:root {
    --primary:   #41CE9F;
    --secondary: #25B0D5;
    --teal:      #2CB6B0;
    --dark:      #0a0f1a;

    --gray-50:  #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-900: #111827;
    --white:    #ffffff;

    --gradient:       linear-gradient(135deg, #25B0D5, #41CE9F);
    --gradient-rev:   linear-gradient(135deg, #41CE9F, #25B0D5);

    --shadow-sm:  0 1px 2px rgba(0,0,0,.05);
    --shadow-md:  0 4px 6px rgba(0,0,0,.08);
    --shadow-lg:  0 10px 24px rgba(0,0,0,.1);
    --shadow-xl:  0 20px 40px rgba(0,0,0,.12);
    --shadow-2xl: 0 30px 60px rgba(0,0,0,.18);

    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-out:    cubic-bezier(0.4, 0, 0.2, 1);
    --transition:  all 0.3s var(--ease-out);
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    background: var(--white);
    color: var(--gray-900);
    line-height: 1.6;
    overflow-x: hidden;
}
img { display: block; max-width: 100%; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ── Animations ── */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to   { opacity: 1; transform: translateY(0); }
}
@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.9); }
    to   { opacity: 1; transform: scale(1); }
}
@keyframes expandWidth {
    from { width: 0; }
    to   { width: 100%; }
}
@keyframes float {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50%       { transform: translateX(-50%) translateY(-30px); }
}
@keyframes floatOrb {
    0%, 100% { transform: translateY(0) translateX(0); }
    50%       { transform: translateY(-30px) translateX(20px); }
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0; transform: scale(1.3); }
}
@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}


/* ════════════════════════════════════════════
   NAVBAR
   ════════════════════════════════════════════ */
.navbar {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(255,255,255,.95);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border-bottom: 1px solid rgba(0,0,0,.05);
    z-index: 1000;
    transition: var(--transition);
}
.navbar.scrolled {
    background: rgba(255,255,255,.98);
    box-shadow: 0 8px 32px rgba(0,0,0,.06);
    border-bottom-color: rgba(0,0,0,.08);
}
.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 48px;
    height: 85px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: transform .3s var(--ease-out);
    z-index: 10;
    position: relative;
}
.logo::after {
    content: '';
    position: absolute;
    bottom: -8px; left: 0; right: 0;
    height: 2px;
    background: var(--gradient);
    transform: scaleX(0);
    transition: transform .3s ease;
}
.logo:hover { transform: translateY(-2px); }
.logo:hover::after { transform: scaleX(1); }
.logo-img {
    height: 42px;
    width: auto;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,.08));
}

/* Nav Menu */
.nav-menu {
    display: flex;
    align-items: center;
    list-style: none;
    gap: 8px;
    margin: 0; padding: 0;
}
.nav-menu li { position: relative; }
.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 20px;
    color: #1e293b;
    text-decoration: none;
    font-size: 15px;
    font-weight: 500;
    border-radius: 12px;
    transition: var(--transition);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}
.nav-link::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(37,176,213,.1), rgba(65,206,159,.1));
    opacity: 0;
    transition: opacity .3s ease;
    border-radius: 12px;
}
.nav-link:hover::before { opacity: 1; }
.nav-link:hover { color: #0f172a; transform: translateY(-2px); }
.nav-link.active {
    color: #fff;
    background: var(--gradient);
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(37,176,213,.3);
}
.nav-link.active::before { display: none; }

/* Nav Actions */
.nav-actions { display: flex; align-items: center; gap: 12px; }
.nav-btn-primary {
    padding: 13px 32px;
    background: var(--gradient);
    color: #fff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    border-radius: 12px;
    box-shadow: 0 6px 20px rgba(37,176,213,.25);
    transition: all .4s var(--ease-out);
    position: relative;
    overflow: hidden;
}
.nav-btn-primary::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,.2), transparent);
    transition: left .5s ease;
}
.nav-btn-primary:hover::before { left: 100%; }
.nav-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(37,176,213,.4);
}

/* Mobile Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 10;
}
.menu-toggle span {
    width: 28px; height: 3px;
    background: var(--gradient);
    border-radius: 3px;
    transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(8px, 8px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; transform: translateX(20px); }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(8px, -8px); }


/* ════════════════════════════════════════════
   TYPOGRAPHY & GLOBAL ELEMENTS
   ════════════════════════════════════════════ */
h1, h2, h3, h4 { line-height: 1.2; font-weight: 700; }

.btn-primary,
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: .75rem;
    text-decoration: none;
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}
.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 8px 24px rgba(37,176,213,.3);
}
.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    width: 0; height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,.2);
    transform: translate(-50%, -50%);
    transition: width .6s, height .6s;
}
.btn-primary:hover::before { width: 300px; height: 300px; }
.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 16px 40px rgba(37,176,213,.4);
}
.btn-secondary {
    background: var(--white);
    color: var(--gray-900);
    border-color: var(--gray-300);
    box-shadow: 0 4px 12px rgba(0,0,0,.05);
}
.btn-secondary:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(37,176,213,.05), rgba(65,206,159,.05));
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0,0,0,.1);
}
.btn-primary.large, .btn-secondary.large { padding: 1.25rem 2.5rem; font-size: 1.125rem; }

/* Section Tag */
.section-tag {
    display: inline-block;
    font-size: .875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: .5rem;
}
.section-tag::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 48px; height: 3px;
    background: var(--gradient);
    border-radius: 2px;
}
.section-header {
    margin-bottom: 4rem;
    animation: fadeInUp .8s ease-out;
}
.section-header.centered { text-align: center; }
.section-header.centered .section-tag::after { left: 50%; transform: translateX(-50%); }
.section-header.centered .section-subtitle { margin: 8px auto 0; }

.section-title {
    font-size: 2.5rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
    letter-spacing: -.03em;
}
.section-title span,
.brand-name,
.brand-highlight {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.section-subtitle {
    font-size: 1rem;
    color: rgba(10,15,26,.55);
    line-height: 1.7;
    max-width: 600px;
    margin-top: 8px;
}


/* ════════════════════════════════════════════
   HERO
   ════════════════════════════════════════════ */
.hero {
    padding: 12rem 0 6rem;
    background:
        radial-gradient(ellipse at top right, rgba(65,206,159,.12), transparent 50%),
        radial-gradient(ellipse at bottom left, rgba(37,176,213,.12), transparent 50%),
        linear-gradient(to bottom, var(--gray-50), var(--white));
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(65,206,159,.09), transparent 70%);
    border-radius: 50%;
    animation: floatOrb 20s ease-in-out infinite;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -30%; left: -10%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(37,176,213,.07), transparent 70%);
    border-radius: 50%;
    animation: floatOrb 15s ease-in-out infinite reverse;
}
.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}
.hero-title {
    font-size: 3.5rem;
    color: var(--gray-900);
    margin-bottom: 2rem;
    letter-spacing: -.03em;
    animation: fadeInUp 1s ease-out .2s backwards;
}
.hero-title .brand-name {
    display: block;
    font-size: 4.5rem;
    font-weight: 900;
    margin-bottom: .5rem;
    position: relative;
}
.hero-title .brand-name::after {
    content: '';
    position: absolute;
    bottom: -10px; left: 0;
    width: 100%; height: 6px;
    background: var(--gradient);
    border-radius: 3px;
    animation: expandWidth 1.2s ease-out .8s backwards;
}
.hero-features {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}
.feature-pill {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .65rem 1.1rem;
    background: var(--white);
    border: 1.5px solid rgba(65,206,159,.25);
    border-radius: 2rem;
    font-size: .85rem;
    font-weight: 600;
    color: var(--gray-700);
    transition: var(--transition);
    box-shadow: 0 2px 8px rgba(0,0,0,.04);
}
.feature-pill:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(37,176,213,.07), rgba(65,206,159,.07));
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(65,206,159,.2);
}
.feature-pill svg { color: var(--secondary); }
.hero-description {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease-out .4s backwards;
}
.hero-cta {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease-out .6s backwards;
}

/* Product Image */
.product-image-container {
    position: relative;
    width: 100%; height: 580px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 2rem;
    overflow: hidden;
    box-shadow: var(--shadow-2xl), 0 0 0 1px rgba(0,0,0,.05);
    transition: var(--transition);
    animation: scaleIn 1s ease-out .8s backwards;
}
.product-image-container::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: var(--gradient);
    border-radius: 2rem;
    opacity: 0;
    transition: opacity .5s ease;
    z-index: -1;
}
.product-image-container:hover::before { opacity: 1; }
.product-image-container:hover {
    transform: scale(1.02) translateY(-10px);
    box-shadow: 0 40px 80px -20px rgba(0,0,0,.35), 0 0 0 1px rgba(65,206,159,.3);
}
.product-image {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.product-image-container:hover .product-image { transform: scale(1.05); }


/* ════════════════════════════════════════════
   STATS SECTION (methodology-footer)
   ════════════════════════════════════════════ */
.methodology-footer {
    position: relative;
    padding: 72px 2rem;
    background: linear-gradient(160deg, #f4fbf9 0%, #eef8fb 50%, #f6fafe 100%);
    overflow: hidden;
    border-top: 1px solid rgba(0,0,0,.05);
    border-bottom: 1px solid rgba(0,0,0,.05);
}
.footer-shine {
    position: absolute;
    top: -50%; left: 50%;
    transform: translateX(-50%);
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(65,206,159,.09), transparent 65%);
    border-radius: 50%;
    pointer-events: none;
    animation: float 15s ease-in-out infinite;
}
/* second orbe */
.footer-shine::after {
    content: '';
    position: absolute;
    top: 20%; right: -30%;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(37,176,213,.07), transparent 65%);
    border-radius: 50%;
}
.footer-content { position: relative; z-index: 1; }

/* ── Stats grid : toujours 1 seule ligne ── */
.methodology-stats {
    display: grid;
    grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}
.stat-item {
    text-align: center;
    padding: 1rem 2rem;
    border-radius: 1.25rem;
    transition: all .4s cubic-bezier(0.34, 1.56, 0.64, 1);
    position: relative;
}
.stat-item:hover {
    background: rgba(255,255,255,.7);
    box-shadow: 0 8px 32px rgba(37,176,213,.08);
    transform: translateY(-4px);
}
.stat-number {
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 10px;
    letter-spacing: -.06em;
    background: linear-gradient(135deg, #25B0D5, #41CE9F);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: letter-spacing .3s ease;
}
.stat-item:hover .stat-number { letter-spacing: -.03em; }

/* Badge discret sous le chiffre */
.stat-item::after {
    content: '';
    display: block;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #25B0D5, #41CE9F);
    margin: 10px auto 0;
    border-radius: 2px;
    transition: width .4s ease;
}
.stat-item:hover::after { width: 40px; }

.stat-label {
    font-size: .875rem;
    color: rgba(10,15,26,.6);
    line-height: 1.5;
    font-weight: 600;
}
.stat-label small {
    display: block;
    font-size: .75rem;
    color: rgba(10,15,26,.38);
    font-weight: 400;
    margin-top: 4px;
}
.stat-divider {
    width: 1px;
    height: 56px;
    background: linear-gradient(180deg, transparent, rgba(0,0,0,.1), transparent);
    flex-shrink: 0;
    justify-self: center;
}

/* Video section (reuses methodology-footer) */
.video-section { border-top: none; }
.footer-video-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 3rem;
    max-width: 860px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}
.video-icon-wrapper { flex-shrink: 0; }
.video-play-btn {
    width: 90px; height: 90px;
    border-radius: 50%;
    background: var(--gradient);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    box-shadow: 0 8px 32px rgba(37,176,213,.4);
    transition: all .4s var(--ease-out);
}
.video-play-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 16px 48px rgba(37,176,213,.55);
}
.play-pulse {
    position: absolute;
    inset: -12px;
    border-radius: 50%;
    border: 2px solid rgba(37,176,213,.6);
    animation: pulse 2s ease infinite;
}
.video-play-btn svg { color: white; margin-left: 4px; filter: drop-shadow(0 2px 4px rgba(0,0,0,.2)); }
.video-text { text-align: left; }
.video-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: .75rem;
    line-height: 1.2;
    letter-spacing: -.03em;
}
.video-description { font-size: 1.1rem; color: rgba(10,15,26,.55); line-height: 1.7; margin: 0; }


/* ════════════════════════════════════════════
   VIDEO MODAL
   ════════════════════════════════════════════ */
.video-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all .4s var(--ease-out);
}
.video-modal.active { opacity: 1; visibility: visible; }
.video-modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    cursor: pointer;
}
.video-modal-content {
    position: relative;
    width: 90%; max-width: 1200px;
    background: #000;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 25px 80px rgba(0,0,0,.5);
    transform: scale(.9);
    transition: transform .4s var(--ease-out);
    z-index: 1;
}
.video-modal.active .video-modal-content { transform: scale(1); }
.video-modal-close {
    position: absolute;
    top: -50px; right: 0;
    width: 40px; height: 40px;
    background: rgba(255,255,255,.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: all .3s ease;
    z-index: 2;
}
.video-modal-close:hover { background: rgba(255,255,255,.2); transform: rotate(90deg); }
.video-modal-close svg { color: white; }
.video-wrapper { position: relative; padding-top: 56.25%; background: #000; }
.video-wrapper video { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
body.modal-open { overflow: hidden; position: fixed; width: 100%; height: 100vh; }


/* ════════════════════════════════════════════
   GALLERY SECTION
   ════════════════════════════════════════════ */
.gallery-section {
    padding: 6rem 0;
    background: var(--white);
}
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
    margin-top: 1rem;
}
.gallery-item {
    height: 280px;
    border-radius: 1.5rem;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,.08), 0 0 0 1px rgba(0,0,0,.04);
    transition: var(--transition);
    position: relative;
}
.gallery-item::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient);
    opacity: 0;
    transition: opacity .4s ease;
    z-index: 1;
    mix-blend-mode: overlay;
}
.gallery-item:hover::before { opacity: .35; }
.gallery-item:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 24px 48px rgba(0,0,0,.18), 0 0 0 1px rgba(65,206,159,.3);
}
.gallery-item img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .6s var(--ease-out);
}
.gallery-item:hover img { transform: scale(1.08); }


/* ════════════════════════════════════════════
   SECTION LE CONSTAT
   ════════════════════════════════════════════ */
.problem-section {
    padding: 6rem 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}
.problem-section::before {
    content: '';
    position: absolute;
    top: -80px; right: -60px;
    width: 500px; height: 500px;
    background: radial-gradient(circle, rgba(37,176,213,.06) 0%, transparent 65%);
    pointer-events: none;
}
.problem-section::after {
    content: '';
    position: absolute;
    bottom: -60px; left: -40px;
    width: 420px; height: 420px;
    background: radial-gradient(circle, rgba(65,206,159,.05) 0%, transparent 65%);
    pointer-events: none;
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin-top: 3rem;
    position: relative;
    z-index: 1;
}
.problem-card {
    background: rgba(255,255,255,.88);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0,0,0,.07);
    border-radius: 1.5rem;
    padding: 2rem 1.75rem;
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    transition: all .45s var(--ease-spring);
    box-shadow: 0 4px 20px rgba(0,0,0,.04);
    position: relative;
    overflow: hidden;
}
.problem-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
    border-radius: 1.5rem 1.5rem 0 0;
    opacity: 0;
    transition: opacity .4s ease;
}
.problem-card:hover::before { opacity: 1; }
.problem-card:hover {
    transform: translateY(-10px) scale(1.01);
    border-color: rgba(37,176,213,.2);
    box-shadow: 0 20px 48px rgba(37,176,213,.1), 0 0 0 1px rgba(37,176,213,.06);
}

.problem-icon-wrap {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(37,176,213,.12), rgba(65,206,159,.07));
    box-shadow: 0 6px 20px rgba(37,176,213,.12);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
    color: var(--secondary);
    transition: all .45s var(--ease-spring);
}
.problem-card:nth-child(2) .problem-icon-wrap {
    background: linear-gradient(135deg, rgba(65,206,159,.12), rgba(44,182,176,.07));
    box-shadow: 0 6px 20px rgba(65,206,159,.12);
    color: var(--primary);
}
.problem-card:nth-child(3) .problem-icon-wrap {
    background: linear-gradient(135deg, rgba(44,182,176,.12), rgba(37,176,213,.07));
    box-shadow: 0 6px 20px rgba(44,182,176,.12);
    color: var(--teal);
}
.problem-card:nth-child(4) .problem-icon-wrap {
    background: linear-gradient(135deg, rgba(37,176,213,.1), rgba(65,206,159,.1));
    color: var(--secondary);
}
.problem-card:hover .problem-icon-wrap { transform: scale(1.12) rotate(-8deg); }

.problem-text h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    letter-spacing: -.02em;
    line-height: 1.3;
    transition: color .3s ease;
}
.problem-card:hover .problem-text h4 { color: var(--secondary); }
.problem-text p {
    font-size: .875rem;
    color: rgba(10,15,26,.56);
    line-height: 1.75;
}

/* CTA Block */
.solution-cta-block {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 3rem;
    background: rgba(255,255,255,.9);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(0,0,0,.07);
    border-radius: 1.5rem;
    padding: 2.25rem 2.75rem;
    flex-wrap: wrap;
    box-shadow: inset 0 1px 0 rgba(255,255,255,.9), 0 12px 40px rgba(0,0,0,.05);
    position: relative;
    z-index: 1;
}
.solution-cta-block::before {
    content: '';
    position: absolute;
    left: 0; top: 18%; bottom: 18%;
    width: 4px;
    background: var(--gradient);
    border-radius: 0 4px 4px 0;
}
.solution-cta-text h3 {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 6px;
    letter-spacing: -.03em;
}
.solution-cta-text p {
    font-size: .9rem;
    color: rgba(10,15,26,.55);
    line-height: 1.7;
}


/* ════════════════════════════════════════════
   SECTION FONCTIONNEMENT
   ════════════════════════════════════════════ */
.how-section {
    padding: 6rem 0;
    background: linear-gradient(180deg, #f8fcfd 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}
.how-section::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(65,206,159,.04) 0%, transparent 65%);
    pointer-events: none;
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    margin-top: 3rem;
    position: relative;
    z-index: 1;
}
/* Connector line between cards */
.steps-grid::before {
    content: '';
    position: absolute;
    top: 52px;
    left: calc(12.5% + 26px);
    right: calc(12.5% + 26px);
    height: 1px;
    background: linear-gradient(90deg, rgba(37,176,213,.3), rgba(65,206,159,.3));
    z-index: 0;
}
.step-card {
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0,0,0,.07);
    border-radius: 1.5rem;
    padding: 2rem 1.5rem;
    transition: all .45s var(--ease-spring);
    box-shadow: 0 4px 20px rgba(0,0,0,.04);
    position: relative;
    overflow: hidden;
    z-index: 1;
}
.step-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: var(--gradient);
    border-radius: 1.5rem 1.5rem 0 0;
    opacity: 0;
    transition: opacity .4s ease;
}
.step-card:hover::before { opacity: 1; }
.step-card:hover {
    transform: translateY(-10px) scale(1.01);
    border-color: rgba(37,176,213,.2);
    box-shadow: 0 20px 48px rgba(37,176,213,.1);
}
.step-number {
    font-size: 2.8rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 1rem;
    letter-spacing: -.05em;
    background: linear-gradient(135deg, rgba(37,176,213,.22), rgba(65,206,159,.18));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.step-icon-wrap {
    width: 52px; height: 52px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(37,176,213,.12), rgba(65,206,159,.07));
    box-shadow: 0 4px 16px rgba(37,176,213,.1);
    display: flex; align-items: center; justify-content: center;
    color: var(--secondary);
    margin-bottom: 1rem;
    transition: all .45s var(--ease-spring);
}
.step-card:hover .step-icon-wrap { transform: scale(1.12) rotate(-8deg); }
.step-card h4 {
    font-size: .95rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
    letter-spacing: -.02em;
    transition: color .3s ease;
}
.step-card:hover h4 { color: var(--secondary); }
.step-card p {
    font-size: .83rem;
    color: rgba(10,15,26,.55);
    line-height: 1.7;
}


/* ════════════════════════════════════════════
   PLATFORM SECTION
   ════════════════════════════════════════════ */
.platform-section {
    padding: 6rem 0;
    background:
        radial-gradient(ellipse at bottom right, rgba(65,206,159,.07), transparent 60%),
        var(--gray-50);
}
.platform-grid {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 5rem;
    align-items: center;
}
.platform-description {
    font-size: 1.1rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    line-height: 1.8;
}
.platform-features { list-style: none; margin-bottom: 2.5rem; }
.platform-features li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
    font-size: 1rem;
    color: var(--gray-700);
    padding: .875rem 1rem;
    border-radius: .75rem;
    transition: var(--transition);
    background: var(--white);
    border: 1px solid transparent;
}
.platform-features li:hover {
    background: linear-gradient(135deg, rgba(37,176,213,.05), rgba(65,206,159,.05));
    padding-left: 1.5rem;
    border-color: rgba(65,206,159,.2);
    box-shadow: 0 4px 12px rgba(0,0,0,.05);
}
.platform-features svg { flex-shrink: 0; margin-top: 2px; color: var(--primary); }
.platform-visual .product-image-container { height: 500px; }


/* ════════════════════════════════════════════
   BENEFITS SECTION
   ════════════════════════════════════════════ */
.benefits-section {
    padding: 6rem 0;
    background: var(--white);
    position: relative;
}
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.25rem;
}
.benefit-card {
    padding: 2.5rem;
    background: linear-gradient(135deg, #ffffff, #fafbfc);
    border: 1px solid var(--gray-200);
    border-radius: 2rem;
    transition: var(--transition);
    grid-column: span 4;
    position: relative;
    overflow: hidden;
}
.benefit-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 5px;
    background: var(--gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .5s var(--ease-out);
}
.benefit-card::after {
    content: '';
    position: absolute;
    bottom: -50px; right: -50px;
    width: 150px; height: 150px;
    background: radial-gradient(circle, rgba(65,206,159,.1), transparent 70%);
    border-radius: 50%;
    opacity: 0;
    transition: opacity .5s ease;
}
.benefit-card.large { grid-column: span 6; }
.benefit-card:hover::before { transform: scaleX(1); }
.benefit-card:hover::after { opacity: 1; }
.benefit-card:hover {
    border-color: rgba(65,206,159,.3);
    box-shadow: 0 25px 50px -12px rgba(0,0,0,.12), 0 0 0 1px rgba(65,206,159,.15);
    transform: translateY(-10px);
    background: #ffffff;
}
.benefit-number {
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1rem;
    line-height: 1;
    letter-spacing: -.04em;
}
.benefit-icon { font-size: 1.8rem; margin-bottom: 1rem; }
.benefit-card h3 {
    font-size: 1.25rem;
    color: var(--gray-900);
    margin-bottom: .75rem;
}
.benefit-card p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 1rem;
}


/* ════════════════════════════════════════════
   READINESS SECTION
   ════════════════════════════════════════════ */
.readiness-section {
    padding: 6rem 0;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
}
.readiness-section::before {
    content: '';
    position: absolute;
    top: -80px; right: -60px;
    width: 450px; height: 450px;
    background: radial-gradient(circle, rgba(37,176,213,.05) 0%, transparent 65%);
    pointer-events: none;
}
.readiness-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
    position: relative;
    z-index: 1;
}
.readiness-intro .section-title { font-size: 2.2rem; }
.readiness-cards {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.readiness-card {
    background: var(--white);
    border: 1px solid rgba(0,0,0,.07);
    border-radius: 1.25rem;
    padding: 1.75rem;
    transition: all .45s var(--ease-spring);
    box-shadow: 0 4px 16px rgba(0,0,0,.03);
    position: relative;
    overflow: hidden;
}
.readiness-card::before {
    content: '';
    position: absolute;
    left: 0; top: 0; bottom: 0;
    width: 4px;
    background: var(--gradient);
    border-radius: 0 4px 4px 0;
    opacity: 0;
    transition: opacity .4s ease;
}
.readiness-card:hover::before { opacity: 1; }
.readiness-card:hover {
    transform: translateX(8px);
    border-color: rgba(37,176,213,.18);
    box-shadow: 0 12px 36px rgba(37,176,213,.08);
}
.readiness-badge {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 50px;
    font-weight: 700;
    font-size: .72rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 10px;
    background: linear-gradient(135deg, rgba(37,176,213,.1), rgba(65,206,159,.08));
    color: var(--secondary);
    border: 1px solid rgba(37,176,213,.2);
}
.readiness-card h4 {
    font-size: .95rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
    letter-spacing: -.02em;
    transition: color .3s ease;
}
.readiness-card:hover h4 { color: var(--secondary); }
.readiness-card p {
    font-size: .83rem;
    color: rgba(10,15,26,.55);
    line-height: 1.7;
}


/* ════════════════════════════════════════════
   USE CASES SECTION
   ════════════════════════════════════════════ */
.usecases-section {
    padding: 6rem 0;
    background:
        radial-gradient(ellipse at top left, rgba(37,176,213,.05), transparent 50%),
        var(--white);
}
.usecases-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}
.usecase-card {
    background: var(--white);
    border-radius: 1.75rem;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0,0,0,.08), 0 0 0 1px rgba(0,0,0,.05);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}
.usecase-card:hover {
    transform: translateY(-14px) scale(1.02);
    box-shadow: 0 28px 56px rgba(0,0,0,.18), 0 0 0 1px rgba(65,206,159,.3);
    border-color: var(--primary);
}
.usecase-image {
    position: relative;
    height: 220px;
    overflow: hidden;
}
.usecase-image img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .6s var(--ease-out);
}
.usecase-card:hover .usecase-image img { transform: scale(1.12) rotate(1deg); }
.usecase-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(37,176,213,.87), rgba(65,206,159,.87));
    opacity: 0;
    transition: opacity .4s ease;
    display: flex; align-items: center; justify-content: center;
}
.usecase-card:hover .usecase-overlay { opacity: 1; }
.usecase-overlay .usecase-icon {
    color: white;
    transform: scale(.7) translateY(20px);
    transition: all .5s var(--ease-out);
}
.usecase-card:hover .usecase-overlay .usecase-icon { transform: scale(1) translateY(0); }
.usecase-content {
    padding: 1.5rem;
    text-align: center;
}
.usecase-content h3 {
    font-size: 1.15rem;
    color: var(--gray-900);
    margin-bottom: .5rem;
    font-weight: 700;
    letter-spacing: -.02em;
}
.usecase-content p {
    font-size: .875rem;
    color: var(--gray-600);
    line-height: 1.6;
}
.usecase-metrics {
    display: flex;
    gap: .6rem;
    margin-top: .875rem;
    flex-wrap: wrap;
    justify-content: center;
}
.metric {
    background: linear-gradient(135deg, rgba(37,176,213,.08), rgba(65,206,159,.06));
    border: 1px solid rgba(37,176,213,.15);
    border-radius: 50px;
    padding: 4px 12px;
    font-size: .75rem;
    color: rgba(10,15,26,.55);
    font-weight: 500;
}
.metric strong {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}


/* ════════════════════════════════════════════
   CTA SECTION
   ════════════════════════════════════════════ */
.cta-section {
    padding: 6rem 0;
    background:
        radial-gradient(ellipse at center, rgba(65,206,159,.1), transparent 60%),
        linear-gradient(135deg, var(--gray-50), var(--white));
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: 20%; left: 10%;
    width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(37,176,213,.1), transparent 70%);
    border-radius: 50%;
    animation: floatOrb 15s ease-in-out infinite;
}
.cta-section::after {
    content: '';
    position: absolute;
    bottom: 10%; right: 15%;
    width: 250px; height: 250px;
    background: radial-gradient(circle, rgba(65,206,159,.08), transparent 70%);
    border-radius: 50%;
    animation: floatOrb 12s ease-in-out infinite reverse;
}
.cta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}
.cta-content h2 {
    font-size: 3rem;
    color: var(--gray-900);
    margin-bottom: 1.5rem;
    line-height: 1.15;
    letter-spacing: -.04em;
}
.cta-content p {
    font-size: 1.2rem;
    color: var(--gray-600);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2.5rem;
}
.cta-trust {
    padding-top: 2rem;
    border-top: 1px solid var(--gray-200);
}
.trust-items {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
    font-size: .875rem;
    color: rgba(10,15,26,.45);
    font-weight: 500;
    letter-spacing: .01em;
}


/* ════════════════════════════════════════════
   FOOTER
   ════════════════════════════════════════════ */
.footer-section {
    background: #0a0f1a;
    padding: 64px 0 0;
}
.footer-container { max-width: 1280px; margin: 0 auto; padding: 0 2rem; }
.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 48px;
}
.footer-brand img { height: 40px; width: auto; }
.footer-tagline { font-size: .9rem; color: #94a3b8; margin: 12px 0 8px; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-column-title {
    font-size: .8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: .1em;
    color: #cbd5e1;
    margin-bottom: 16px;
}
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-link {
    font-size: .875rem;
    color: #94a3b8;
    text-decoration: none;
    transition: color .2s ease;
}
.footer-link:hover { color: #25B0D5; }
.newsletter-form { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.newsletter-input {
    padding: 10px 14px;
    border-radius: 8px;
    border: 1px solid rgba(255,255,255,.1);
    background: rgba(255,255,255,.05);
    color: #f1f5f9;
    font-size: .875rem;
    outline: none;
    transition: border-color .2s ease;
}
.newsletter-input:focus { border-color: rgba(37,176,213,.5); }
.newsletter-input::placeholder { color: #64748b; }
.newsletter-button {
    padding: 10px 20px;
    background: var(--gradient);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: .875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all .3s ease;
}
.newsletter-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37,176,213,.35);
}


/* ════════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════════ */
@media (max-width: 1200px) {
    .footer-main { grid-template-columns: 1fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 1024px) {
    .nav-container { padding: 0 28px; height: 80px; }
    .nav-menu {
        position: fixed;
        top: 85px; left: 0; right: 0;
        background: rgba(255,255,255,.98);
        backdrop-filter: blur(30px);
        flex-direction: column;
        padding: 28px 24px;
        gap: 12px;
        box-shadow: 0 20px 60px rgba(0,0,0,.1);
        opacity: 0; visibility: hidden;
        transform: translateY(-20px);
        transition: all .4s var(--ease-out);
        max-height: calc(100vh - 85px);
        overflow-y: auto;
    }
    .nav-menu.active { opacity: 1; visibility: visible; transform: translateY(0); }
    .nav-menu li { width: 100%; }
    .nav-link { width: 100%; justify-content: center; padding: 16px 24px; font-size: 16px; }
    .nav-actions { display: none; }
    .menu-toggle { display: flex; }

    .hero-content, .platform-grid { grid-template-columns: 1fr; gap: 3rem; }
    .hero-title { font-size: 2.5rem; }
    .hero-title .brand-name { font-size: 3rem; }
    .section-title { font-size: 2rem; }
    .problem-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid::before { display: none; }
    .benefits-grid { grid-template-columns: 1fr; }
    .benefit-card, .benefit-card.large { grid-column: 1 / -1; }
    .readiness-grid { grid-template-columns: 1fr; gap: 3rem; }
    .usecases-grid { grid-template-columns: repeat(2, 1fr); }
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .solution-cta-block { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
    .nav-container { height: 75px; padding: 0 20px; }
    .logo-img { height: 38px; }
    .nav-menu { top: 75px; }
    .container { padding: 0 1.25rem; }
    .hero { padding: 8rem 0 4rem; }
    .hero-title { font-size: 2rem; }
    .hero-title .brand-name { font-size: 2.5rem; }
    .hero-cta, .cta-buttons { flex-direction: column; }
    .section-title { font-size: 1.75rem; }
    .cta-content h2 { font-size: 2rem; }
    .usecases-grid { grid-template-columns: 1fr; }
    .gallery-grid { grid-template-columns: 1fr; }
    .methodology-stats { grid-template-columns: 1fr 1fr; gap: 8px; }
    .stat-divider { display: none; }
    .stat-item { padding: 20px 16px; }
    .footer-video-content { flex-direction: column; text-align: center; }
    .video-text { text-align: center; }
    .footer-main { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 640px) {
    .steps-grid { grid-template-columns: 1fr; }
    .problem-card { flex-direction: row; }
    .footer-main { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
    .hero-title { font-size: 1.75rem; }
    .hero-title .brand-name { font-size: 2rem; }
    .section-title { font-size: 1.5rem; }
    .hero-features { flex-direction: column; }
    .feature-pill { width: 100%; justify-content: center; }
    .usecase-image { height: 180px; }
    .solution-cta-block { padding: 1.75rem 1.5rem 1.75rem 2rem; }
}