/* ==========================================================================
   cygsoft.com — Stylesheet principal
   v2 (2026-05-05) — architecture multi-page Y2-B :
   chaque page est mono-langue, plus de swap data-lang JS
   ========================================================================== */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --blue-dark: #1a365d;
    --blue-mid: #2b6cb0;
    --blue-light: #ebf2fa;
    --gray-100: #f8fafc;
    --gray-200: #e2e8f0;
    --gray-400: #475569;
    --gray-600: #64748b;
    --gray-900: #0f172a;
    --white: #ffffff;
}

html {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--gray-900);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* === HEADER === */
header {
    padding: 24px 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lang-switch {
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-400);
    text-decoration: none;
    padding: 6px 12px;
    border: 1px solid var(--gray-200);
    border-radius: 6px;
    transition: color 0.2s, border-color 0.2s;
}

.lang-switch:hover {
    color: var(--blue-mid);
    border-color: var(--blue-mid);
}

/* === NAVIGATION PRINCIPALE === */
.main-nav {
    display: flex;
    gap: 24px;
    margin-left: auto;
    margin-right: 24px;
}

.main-nav a {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-900);
    text-decoration: none;
    transition: color 0.2s;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--blue-mid);
}

.logo {
    font-size: 22px;
    font-weight: 700;
    color: var(--blue-dark);
    letter-spacing: -0.5px;
    text-decoration: none;
}

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

/* === MAIN — flow normal par défaut, centrage uniquement sur la home === */
main {
    flex: 1;
    padding: 40px 32px 80px;
}

main.home {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* === HERO (home) === */
.hero {
    max-width: 580px;
    text-align: center;
}

.hero-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background: var(--blue-dark);
    margin-bottom: 32px;
}

.hero-mark svg {
    width: 36px;
    height: 36px;
}

.tagline {
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--blue-mid);
    margin-bottom: 16px;
}

h1 {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 700;
    line-height: 1.15;
    color: var(--blue-dark);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}

.intro {
    font-size: 18px;
    line-height: 1.7;
    color: var(--gray-600);
    margin-bottom: 48px;
}

/* === CONTACT (CTA mailto) === */
.contact {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--blue-light);
    border: 1px solid var(--gray-200);
    border-radius: 10px;
    text-decoration: none;
    color: var(--blue-dark);
    font-size: 15px;
    font-weight: 500;
    transition: background 0.2s, border-color 0.2s;
}

.contact:hover {
    background: var(--white);
    border-color: var(--blue-mid);
}

.contact svg {
    width: 18px;
    height: 18px;
    color: var(--blue-mid);
    flex-shrink: 0;
}

/* === FOOTER === */
footer {
    padding: 24px 32px;
    text-align: center;
    font-size: 13px;
    color: var(--gray-400);
    border-top: 1px solid var(--gray-200);
}

/* ==========================================================================
   STYLES SOUS-PAGES (Portfolio, À propos)
   ========================================================================== */

/* Hero compact en haut des sous-pages */
.page-hero {
    max-width: 720px;
    margin: 0 auto 24px;
    text-align: center;
    padding: 8px 24px 24px;
}

.page-hero .tagline {
    margin-bottom: 14px;
}

.page-hero h1 {
    font-size: clamp(28px, 4.5vw, 40px);
    margin-bottom: 16px;
}

.page-hero .intro {
    margin-bottom: 0;
    font-size: 17px;
}

/* Section générique */
.page-section {
    max-width: 880px;
    margin: 0 auto;
    padding: 32px 24px;
}

.section-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 16px;
    letter-spacing: -0.3px;
}

.page-section > p {
    font-size: 17px;
    line-height: 1.65;
    color: var(--gray-600);
    margin-bottom: 14px;
}

.page-section > p:last-child {
    margin-bottom: 0;
}

/* === Cards (Portfolio) === */
.card-grid {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 12px;
    padding: 28px 32px;
    transition: border-color 0.2s;
}

.card:hover {
    border-color: var(--blue-mid);
}

.card-type {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--blue-mid);
    margin-bottom: 10px;
}

.card-title {
    font-size: 26px;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 4px;
    letter-spacing: -0.3px;
}

.card-tagline {
    font-size: 15px;
    color: var(--gray-600);
    margin-bottom: 18px;
    font-weight: 500;
}

.card-body p {
    font-size: 16px;
    line-height: 1.65;
    color: var(--gray-600);
    margin-bottom: 14px;
}

.card-body p:last-of-type {
    margin-bottom: 0;
}

.card-body ul {
    margin: 12px 0 16px;
    padding-left: 20px;
}

.card-body li {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-600);
    margin-bottom: 6px;
}

.card-cta {
    display: inline-block;
    margin-top: 16px;
    color: var(--blue-mid);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}

.card-cta:hover {
    color: var(--blue-dark);
}

/* === CTA produit cross-promo (portfolio) === */
.btn-product {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 16px;
    margin-right: 12px;
    padding: 10px 20px;
    background: var(--blue-mid);
    color: var(--white);
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.2s, transform 0.15s, box-shadow 0.2s;
}

.btn-product:hover {
    background: var(--blue-dark);
    color: var(--white);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px -2px rgba(43, 108, 176, 0.4);
}

/* === Features (« Ce qu'on fait » sur À propos) === */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    margin-top: 8px;
}

.feature-icon {
    font-size: 28px;
    display: block;
    margin-bottom: 10px;
}

.feature-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 6px;
}

.feature p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--gray-600);
}

/* === Section CTA finale (en bas des sous-pages) === */
.page-section--cta {
    text-align: center;
    background: var(--gray-100);
    border-radius: 16px;
    padding: 40px 24px;
    margin: 24px auto;
    max-width: 880px;
}

.page-section--cta h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--blue-dark);
    margin-bottom: 8px;
}

.page-section--cta > p {
    color: var(--gray-600);
    margin-bottom: 20px;
    font-size: 16px;
}

/* === RESPONSIVE === */
@media (max-width: 600px) {
    header { padding: 20px 20px; flex-wrap: wrap; }

    .main-nav {
        order: 3;
        width: 100%;
        justify-content: center;
        margin: 12px 0 0 0;
        gap: 20px;
    }

    main { padding: 32px 20px 60px; }
    .intro { font-size: 16px; }
    footer { padding: 20px; }

    .page-hero { padding: 8px 20px 16px; }
    .page-section { padding: 24px 20px; }
    .page-section--cta { padding: 32px 20px; }

    .card { padding: 22px 22px; }
    .card-title { font-size: 22px; }
    .section-title { font-size: 22px; }

    .feature-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}