/* ===== VARIABLES ===== */
:root {
    --navy: #0a1628;
    --deep-blue: #0f2240;
    --steel: #1a3a5c;
    --water: #2d8cf0;
    --water-light: #5ba8f5;
    --water-dark: #1b6fd4;
    --ice: #e8f2ff;
    --white: #ffffff;
    --gray-100: #f7f9fc;
    --gray-200: #e2e8f0;
    --gray-400: #94a3b8;
    --gray-600: #64748b;
    --gray-800: #1e293b;
    --accent: #00c9a7;
    --error: #ef4444;
    --warning: #f59e0b;
}

/* ===== RESET ===== */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--gray-800);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: 'Space Grotesk', sans-serif;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.25rem 2rem;
    background: rgba(10, 22, 40, 0.92);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(45, 140, 240, 0.1);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: -0.5px;
    text-decoration: none;
}

.logo span { color: var(--water); }

.header-cta {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--white);
    background: var(--water);
    text-decoration: none;
    padding: 0.55rem 1.25rem;
    border-radius: 8px;
    transition: all 0.2s;
    letter-spacing: -0.15px;
}

.header-cta:hover {
    background: var(--water-dark);
    box-shadow: 0 4px 12px rgba(45, 140, 240, 0.3);
}

.header-back {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.2s;
}

.header-back:hover { color: var(--white); }
.header-back svg { width: 16px; height: 16px; }

/* ===== HERO ===== */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    background: var(--navy);
    position: relative;
    overflow: hidden;
    padding: 8rem 2rem 6rem;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 900px; height: 900px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(45, 140, 240, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-inner {
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--water);
    border: 1px solid rgba(45, 140, 240, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.1;
    letter-spacing: -1.5px;
    margin-bottom: 1.5rem;
    max-width: 900px;
}

.hero h1 em {
    font-style: normal;
    color: var(--water);
}

.hero-sub {
    font-size: 1.15rem;
    color: var(--gray-400);
    line-height: 1.7;
    max-width: 700px;
    margin-bottom: 2rem;
}

/* ===== BOUTON CTA ===== */
.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--white);
    background: var(--water);
    text-decoration: none;
    padding: 0.85rem 2rem;
    border-radius: 12px;
    letter-spacing: -0.25px;
    transition: all 0.25s ease;
}

.btn-cta:hover {
    background: var(--water-dark);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(45, 140, 240, 0.3);
}

.btn-cta svg {
    width: 18px; height: 18px;
    transition: transform 0.2s;
}

.btn-cta:hover svg { transform: translateX(3px); }

/* ===== TRUST LINE ===== */
.trust-line {
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: var(--gray-400);
}

.trust-line span { margin-right: 1.5rem; }

/* ===== SECTION LABEL ===== */
.section-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--water);
    margin-bottom: 1rem;
}

/* ===== SECTIONS GENERIQUES ===== */
.pain-section, .benefits-section {
    padding: 7rem 2rem;
    background: var(--gray-100);
}

.pain-inner, .benefits-inner {
    max-width: 1100px;
    margin: 0 auto;
}

.pain-inner h2, .benefits-inner h2,
.tco-inner h2, .roi-inner h2,
.testimonial-inner h2, .why-inner h2 {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 700;
    color: var(--navy);
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 3rem;
}

/* ===== GRILLES 3 COLONNES ===== */
.pain-grid, .benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

/* ===== CARDS COMMUNES ===== */
.pain-card, .benefit-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 16px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.pain-card:hover, .benefit-card:hover {
    border-color: var(--water);
    box-shadow: 0 4px 20px rgba(45, 140, 240, 0.06);
    transform: translateY(-2px);
}

.pain-icon, .benefit-icon {
    width: 48px; height: 48px;
    background: rgba(45, 140, 240, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.pain-icon svg, .benefit-icon svg {
    width: 24px; height: 24px;
    stroke: var(--water);
}

.pain-card h3, .benefit-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--navy);
    margin-bottom: 0.5rem;
}

.pain-card p, .benefit-card p {
    font-size: 0.9rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== ROI ITEMS ===== */
.roi-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.roi-item:last-child { border-bottom: none; }

.roi-label {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.roi-value {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--navy);
}

.roi-value.savings { color: var(--accent); }

/* ===== CTA SECTION ===== */
.cta-section {
    padding: 7rem 2rem 5rem;
    background: var(--navy);
    text-align: center;
}

.cta-inner {
    max-width: 680px;
    margin: 0 auto;
}

.cta-inner h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    letter-spacing: -1px;
    margin-bottom: 1.25rem;
}

.cta-inner p {
    font-size: 1.1rem;
    color: var(--gray-400);
    line-height: 1.7;
    margin-bottom: 2rem;
}

/* ===== FOOTER ===== */
.footer {
    padding: 2rem;
    background: var(--navy);
    border-top: 1px solid rgba(255,255,255,0.05);
    text-align: center;
}

.footer p {
    font-size: 0.8rem;
    color: var(--gray-400);
}

.footer a {
    color: var(--water);
    text-decoration: none;
}

.footer a:hover { text-decoration: underline; }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .pain-grid, .benefits-grid {
        grid-template-columns: 1fr;
    }
}