/* ================================================================
   Sourdosphère — landing-cafe-signe.css
   Landing SEO Café Signe — sérieux mais humain, ambiance café signe
   ================================================================ */

:root {
    --cs-vert-fonce:  #1a3a2e;
    --cs-vert-mid:    #1D9E75;
    --cs-vert-clair:  #E1F5EE;
    --cs-fond-sombre: #0a0e0c;
    --cs-surface:     #111915;
    --cs-encre:       #141414;
    --cs-gris:        #5a5a5a;
    --cs-gris-clair:  #f3f2ef;
    --cs-bordure:     #d8d5ce;
    --cs-blanc:       #ffffff;
    --font: -apple-system, 'Segoe UI', Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
.cs-body { font-family: var(--font); color: var(--cs-encre); background: var(--cs-blanc); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }

/* ── Section helpers ──────────────────────────────────────────── */
.cs-section-kicker {
    font-size: 0.72rem; font-weight: 700; letter-spacing: 1.2px;
    text-transform: uppercase; color: var(--cs-vert-mid); margin-bottom: 0.5rem;
}
.cs-section-title {
    font-size: 1.85rem; font-weight: 800; letter-spacing: -0.4px;
    color: var(--cs-vert-fonce); margin-bottom: 2.5rem; line-height: 1.15;
}

/* ── Nav ──────────────────────────────────────────────────────── */
.cs-nav {
    background: var(--cs-fond-sombre);
    position: sticky; top: 0; z-index: 100;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.cs-nav__inner {
    max-width: 1100px; margin: 0 auto;
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 1.5rem; height: 58px; gap: 1rem;
}
.cs-nav__logo {
    font-size: 1.1rem; font-weight: 700; color: #fff;
    text-decoration: none; white-space: nowrap; flex-shrink: 0;
    display: inline-flex; align-items: center;
    letter-spacing: -0.3px; gap: 0;
}
.cs-nav__logo span { color: var(--cs-vert-mid); }
.cs-nav__logo em {
    font-style: normal; font-size: 0.58rem; font-weight: 700;
    color: var(--cs-vert-mid); border: 1px solid rgba(29,158,117,0.4);
    padding: 1px 5px; letter-spacing: 0.8px; text-transform: uppercase;
    line-height: 1.8; margin-left: 0.5rem; white-space: nowrap;
}
.cs-nav__actions { display: flex; align-items: center; gap: 0.75rem; flex-shrink: 0; }
.cs-nav__back {
    font-size: 0.875rem; color: rgba(255,255,255,0.6);
    font-weight: 500; white-space: nowrap; transition: color 0.12s;
}
.cs-nav__back:hover { color: #fff; }
.cs-nav__cta {
    font-size: 0.875rem; font-weight: 600;
    background: var(--cs-vert-mid); color: #fff;
    padding: 0.55rem 1.1rem; white-space: nowrap;
    transition: background 0.12s;
}
.cs-nav__cta:hover { background: #18845f; }
@media (max-width: 560px) {
    .cs-nav__inner { padding: 0 1rem; }
    .cs-nav__back { display: none; }
    .cs-nav__logo em { display: none; }
}

/* ── Boutons globaux ─────────────────────────────────────────── */
.cs-btn-primary {
    display: inline-flex; align-items: center; gap: 8px;
    background: var(--cs-vert-mid); color: #fff;
    font-size: 1rem; font-weight: 700; padding: 0.85rem 1.75rem;
    transition: background 0.12s, transform 0.1s;
}
.cs-btn-primary:hover { background: #18845f; transform: translateY(-1px); }
.cs-btn-primary--lg { font-size: 1.05rem; padding: 1rem 2.25rem; }
.cs-btn-ghost {
    font-size: 0.95rem; font-weight: 500; color: rgba(255,255,255,0.7);
    border-bottom: 1px solid rgba(255,255,255,0.3); padding-bottom: 1px;
    transition: color 0.12s;
}
.cs-btn-ghost:hover { color: #fff; }

/* ── Hero ─────────────────────────────────────────────────────── */
.cs-hero {
    background: var(--cs-fond-sombre);
    padding: 5rem 1.5rem 4rem;
}
.cs-hero__inner {
    max-width: 1100px; margin: 0 auto;
    display: grid; grid-template-columns: 1fr 320px;
    gap: 4rem; align-items: center;
}
.cs-hero__kicker {
    font-size: 0.75rem; font-weight: 700; letter-spacing: 1px;
    text-transform: uppercase; color: var(--cs-vert-mid);
    display: flex; align-items: center; gap: 8px; margin-bottom: 1.25rem;
}
.cs-hero__kicker::before { content: ''; width: 24px; height: 2px; background: var(--cs-vert-mid); }
.cs-hero__title {
    font-size: 3rem; font-weight: 800; line-height: 1.08;
    letter-spacing: -1.2px; color: #fff; margin-bottom: 1.25rem;
}
.cs-hero__title em { font-style: normal; color: var(--cs-vert-mid); }
.cs-hero__desc {
    font-size: 1.05rem; color: rgba(255,255,255,0.65);
    line-height: 1.7; margin-bottom: 2rem; max-width: 480px;
}
.cs-hero__actions { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1.25rem; flex-wrap: wrap; }
.cs-hero__reassurance {
    display: flex; align-items: center; gap: 6px;
    font-size: 0.82rem; color: rgba(255,255,255,0.45);
}
.cs-hero__reassurance svg { color: var(--cs-vert-mid); flex-shrink: 0; }

/* Mockup téléphone — aperçu Café Signe */
.cs-hero__phone { display: flex; justify-content: center; }
.cs-phone-mockup {
    position: relative;
    width: 260px; height: 460px;
    background: #000; border-radius: 22px;
    border: 6px solid #1c1c1c;
    overflow: hidden;
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}
.cs-phone-mockup__video {
    position: absolute; inset: 0;
    background: linear-gradient(160deg, #17392c 0%, #0a0e0c 70%);
}
.cs-phone-mockup__gradient {
    position: absolute; bottom: 0; left: 0; right: 0; height: 55%;
    background: linear-gradient(transparent, rgba(0,0,0,0.85));
}
.cs-phone-mockup__info {
    position: absolute; bottom: 46px; left: 14px; right: 50px;
}
.cs-phone-mockup__author { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.cs-phone-mockup__avatar {
    width: 30px; height: 30px; border-radius: 50%;
    background: rgba(255,255,255,0.15); display: flex; align-items: center; justify-content: center;
    font-size: 0.9rem; border: 2px solid rgba(255,255,255,0.4); flex-shrink: 0;
}
.cs-phone-mockup__name { font-size: 0.78rem; font-weight: 700; color: #fff; }
.cs-phone-mockup__time { font-size: 0.65rem; color: rgba(255,255,255,0.55); }
.cs-phone-mockup__caption { font-size: 0.78rem; color: #fff; line-height: 1.5; }
.cs-phone-mockup__actions {
    position: absolute; bottom: 46px; right: 12px;
    display: flex; flex-direction: column; gap: 14px; align-items: center;
}
.cs-phone-mockup__action {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    font-size: 1.1rem;
}
.cs-phone-mockup__action span { font-size: 0.62rem; color: rgba(255,255,255,0.75); font-weight: 600; }

@media (max-width: 900px) {
    .cs-hero__inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .cs-hero__title { font-size: 2.2rem; }
    .cs-hero__phone { display: none; }
}

/* ── Intro / définition SEO ──────────────────────────────────── */
.cs-intro { padding: 4.5rem 1.5rem; background: var(--cs-blanc); border-top: 1px solid var(--cs-bordure); }
.cs-intro__inner { max-width: 760px; margin: 0 auto; }
.cs-intro__text p { font-size: 0.98rem; color: var(--cs-gris); line-height: 1.85; margin-bottom: 1.25rem; }
.cs-intro__text p:last-child { margin-bottom: 0; }
.cs-intro__text strong { color: var(--cs-vert-fonce); }

/* ── Pour qui ─────────────────────────────────────────────────── */
.cs-profiles { padding: 5rem 1.5rem; background: var(--cs-gris-clair); }
.cs-profiles__inner { max-width: 1100px; margin: 0 auto; }
.cs-profiles__grid {
    display: grid; grid-template-columns: repeat(2, 1fr);
    border: 1px solid var(--cs-bordure); background: var(--cs-blanc);
}
.cs-profile-card {
    padding: 1.75rem 1.5rem;
    border-right: 1px solid var(--cs-bordure);
    border-bottom: 1px solid var(--cs-bordure);
}
.cs-profiles__grid .cs-profile-card:nth-child(2n) { border-right: none; }
.cs-profiles__grid .cs-profile-card:nth-last-child(-n+2) { border-bottom: none; }
.cs-profile-card__icon {
    width: 44px; height: 44px; display: flex; align-items: center;
    justify-content: center; font-size: 1.3rem; margin-bottom: 1rem;
    background: var(--cs-vert-clair);
}
.cs-profile-card h3 { font-size: 0.95rem; font-weight: 700; margin-bottom: 0.5rem; }
.cs-profile-card p  { font-size: 0.875rem; color: var(--cs-gris); line-height: 1.65; }

@media (max-width: 640px) {
    .cs-profiles__grid { grid-template-columns: 1fr; }
    .cs-profile-card { border-right: none !important; }
    .cs-profile-card:last-child { border-bottom: none !important; }
}

/* ── Étapes ───────────────────────────────────────────────────── */
.cs-steps { padding: 5rem 1.5rem; background: var(--cs-vert-fonce); }
.cs-steps__inner { max-width: 1100px; margin: 0 auto; }
.cs-steps__inner .cs-section-kicker { color: var(--cs-vert-mid); }
.cs-steps__inner .cs-section-title  { color: #fff; }
.cs-steps__grid { display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; }
.cs-step {
    flex: 1; min-width: 200px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 1.75rem 1.5rem;
}
.cs-step__num {
    width: 36px; height: 36px; background: var(--cs-vert-mid);
    color: #fff; font-size: 1.1rem; font-weight: 800;
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 1rem;
}
.cs-step h3 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 0.4rem; }
.cs-step p  { font-size: 0.85rem; color: rgba(255,255,255,0.55); line-height: 1.6; }
.cs-step__arrow { font-size: 1.5rem; color: rgba(255,255,255,0.25); flex-shrink: 0; }

@media (max-width: 700px) { .cs-step__arrow { display: none; } }

/* ── Bénéfices ────────────────────────────────────────────────── */
.cs-benefits { padding: 5rem 1.5rem; background: var(--cs-blanc); border-top: 1px solid var(--cs-bordure); }
.cs-benefits__inner { max-width: 1100px; margin: 0 auto; }
.cs-benefits__list { display: flex; flex-direction: column; gap: 0; }
.cs-benefit {
    display: flex; gap: 1.5rem; align-items: flex-start;
    padding: 1.75rem 0; border-bottom: 1px solid var(--cs-bordure);
}
.cs-benefit:last-child { border-bottom: none; }
.cs-benefit__icon {
    width: 48px; height: 48px; background: var(--cs-vert-clair);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; color: var(--cs-vert-fonce);
}
.cs-benefit__body h3 { font-size: 1rem; font-weight: 700; margin-bottom: 0.4rem; }
.cs-benefit__body p  { font-size: 0.9rem; color: var(--cs-gris); line-height: 1.7; }

@media (max-width: 600px) {
    .cs-benefit { flex-direction: column; gap: 1rem; }
}

/* ── FAQ ──────────────────────────────────────────────────────── */
.cs-faq { padding: 5rem 1.5rem; background: var(--cs-gris-clair); border-top: 1px solid var(--cs-bordure); }
.cs-faq__inner { max-width: 760px; margin: 0 auto; }
.cs-faq__list { display: flex; flex-direction: column; }
.cs-faq__item { border-bottom: 1px solid var(--cs-bordure); background: var(--cs-blanc); padding: 0 1.25rem; }
.cs-faq__item summary {
    font-weight: 600; font-size: 0.95rem; padding: 1.1rem 0;
    cursor: pointer; list-style: none; display: flex;
    justify-content: space-between; align-items: center;
    user-select: none;
}
.cs-faq__item summary::after {
    content: '+'; font-size: 1.2rem; color: var(--cs-vert-mid); font-weight: 400;
    transition: transform 0.2s; flex-shrink: 0;
}
.cs-faq__item[open] summary::after { transform: rotate(45deg); }
.cs-faq__item p {
    font-size: 0.9rem; color: var(--cs-gris); line-height: 1.7;
    padding: 0 0 1.25rem;
}

/* ── CTA final ────────────────────────────────────────────────── */
.cs-cta { background: var(--cs-fond-sombre); padding: 5rem 1.5rem; text-align: center; }
.cs-cta__inner { max-width: 560px; margin: 0 auto; }
.cs-cta h2 {
    font-size: 2.2rem; font-weight: 800; color: #fff;
    letter-spacing: -0.8px; line-height: 1.1; margin-bottom: 1rem;
}
.cs-cta p { color: rgba(255,255,255,0.55); font-size: 1rem; margin-bottom: 2.25rem; line-height: 1.65; }
.cs-cta__note { font-size: 0.85rem; color: rgba(255,255,255,0.4); margin-top: 1.25rem; margin-bottom: 0; }
.cs-cta__note a { color: var(--cs-vert-mid); border-bottom: 1px solid rgba(29,158,117,0.4); }

/* ── Footer ───────────────────────────────────────────────────── */
.cs-footer { background: #0d1f17; padding: 2rem 1.5rem; }
.cs-footer__inner {
    max-width: 1100px; margin: 0 auto;
    display: flex; flex-direction: column; align-items: center;
    gap: 0.85rem; text-align: center;
}
.cs-footer__logo { font-size: 1rem; font-weight: 700; color: #fff; }
.cs-footer__logo span { color: var(--cs-vert-mid); }
.cs-footer__links { display: flex; gap: 1.25rem; flex-wrap: wrap; justify-content: center; }
.cs-footer__links a { font-size: 0.82rem; color: rgba(255,255,255,0.4); transition: color 0.12s; }
.cs-footer__links a:hover { color: #fff; }
.cs-footer p { font-size: 0.75rem; color: rgba(255,255,255,0.2); }