/* ============================================================
   STRUCTIFY TECH — SITE.CSS
   Feuille de style unique, responsive, du site one-page.
   Design system : Navy + Bleu + Crème. Syne / DM Sans / DM Mono.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@500;600;700;800&family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;1,9..40,400&family=DM+Mono:wght@400;500&display=swap');

/* ----------------------------------------------------------
   1. TOKENS
   ---------------------------------------------------------- */
:root {
    --navy:        #0D1B2A;
    --navy-mid:    #14263B;
    --navy-soft:   #1E3148;
    --blue:        #1A56DB;
    --blue-mid:    #2563EB;
    --blue-light:  #3B82F6;
    --blue-pale:   #DBEAFE;
    --white:       #FFFFFF;
    --cream:       #F7F5F0;
    --cream-mid:   #EFEBE2;
    --cream-dark:  #E5DFD3;

    --text:        #0D1B2A;
    --text-2:      #46586B;
    --text-muted:  #6B7A8C;
    --text-inv:    #EDEAE3;
    --text-inv-2:  rgba(237,234,227,.62);

    --border:      #E3DED3;
    --border-2:    #D8D2C6;
    --border-inv:  rgba(237,234,227,.14);

    --font-display: 'Syne', system-ui, sans-serif;
    --font-body:    'DM Sans', system-ui, -apple-system, sans-serif;
    --font-mono:    'DM Mono', ui-monospace, monospace;

    --container: 1160px;
    --narrow:    720px;
    --nav-h:     72px;

    --radius:    14px;
    --radius-sm: 8px;
    --radius-lg: 22px;

    --shadow-sm: 0 2px 10px rgba(13,27,42,.06);
    --shadow-md: 0 10px 30px rgba(13,27,42,.09);
    --shadow-lg: 0 24px 60px rgba(13,27,42,.14);

    --ease: cubic-bezier(.22,.61,.36,1);
}

/* ----------------------------------------------------------
   2. RESET
   ---------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-h) + 12px);
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-body);
    font-size: clamp(0.95rem, 0.9rem + 0.25vw, 1.0625rem);
    line-height: 1.65;
    color: var(--text);
    background: var(--cream);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
ul { list-style: none; }

/* --- Bascule bilingue : masquer la langue inactive --- */
html.lang-fr [data-lang="en"],
html.lang-en [data-lang="fr"] { display: none !important; }

:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: 3px; }

::selection { background: var(--blue); color: #fff; }

/* ----------------------------------------------------------
   3. TYPO
   ---------------------------------------------------------- */
h1, h2, h3, h4 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--text);
    text-wrap: balance;
}
h1 { font-size: clamp(2.35rem, 1.6rem + 3.4vw, 4.25rem); }
h2 { font-size: clamp(1.85rem, 1.3rem + 2.4vw, 3rem); letter-spacing: -0.025em; }
h3 { font-size: clamp(1.2rem, 1.05rem + 0.7vw, 1.5rem); }
h4 { font-size: 1.0625rem; letter-spacing: -0.01em; }

h1 em, h2 em { font-style: italic; color: var(--blue); font-weight: 700; }

p { text-wrap: pretty; }
strong { font-weight: 600; }

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 500;
    letter-spacing: .18em;
    text-transform: uppercase;
    color: var(--blue);
    margin-bottom: 1.25rem;
}
.eyebrow::before {
    content: "";
    width: 26px; height: 1px;
    background: var(--blue);
    opacity: .5;
}
.dark .eyebrow { color: var(--blue-light); }
.dark .eyebrow::before { background: var(--blue-light); }

.lead {
    font-size: clamp(1.05rem, 1rem + 0.4vw, 1.3rem);
    line-height: 1.6;
    color: var(--text-2);
    max-width: 40ch;
}
.dark .lead { color: var(--text-inv-2); }

/* ----------------------------------------------------------
   4. LAYOUT
   ---------------------------------------------------------- */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: clamp(1.25rem, 5vw, 3rem);
}

.section { padding-block: clamp(4.5rem, 3rem + 8vw, 8.5rem); }
.section--tight { padding-block: clamp(3.5rem, 2.5rem + 5vw, 6rem); }

.dark  { background: var(--navy); color: var(--text-inv); }
.dark h1, .dark h2, .dark h3, .dark h4 { color: var(--white); }
.dark em { color: var(--blue-light); }

.cream { background: var(--cream); }
.cream-dark { background: var(--cream-mid); }

.section-head { max-width: var(--narrow); margin-bottom: clamp(2.5rem, 5vw, 4rem); }
.section-head--center { margin-inline: auto; text-align: center; }
.section-head--center .eyebrow { justify-content: center; }
.section-head--center .lead { margin-inline: auto; max-width: 52ch; }
.section-head .lead { margin-top: 1.25rem; max-width: 56ch; }

.grid { display: grid; gap: clamp(1.25rem, 3vw, 2rem); }

/* Anti-débordement : les enfants de grille ne doivent jamais forcer la largeur */
.split > *, .grid > *, .steps > *, .pricing > *, .audience > *,
.deliverables > *, .contrast-grid > *, .contact-grid > * { min-width: 0; }

/* ----------------------------------------------------------
   5. BOUTONS
   ---------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .6rem;
    padding: .95rem 1.6rem;
    font-family: var(--font-body);
    font-size: .95rem;
    font-weight: 600;
    letter-spacing: .01em;
    border-radius: var(--radius-sm);
    border: 1.5px solid transparent;
    transition: transform .2s var(--ease), background .2s, border-color .2s, color .2s, box-shadow .2s;
    white-space: nowrap;
    line-height: 1;
}
.btn svg { width: 17px; height: 17px; flex: none; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn--primary { background: var(--blue); color: #fff; box-shadow: 0 6px 18px rgba(26,86,219,.28); }
.btn--primary:hover { background: var(--blue-mid); box-shadow: 0 10px 26px rgba(26,86,219,.38); }

.btn--dark { background: var(--navy); color: var(--white); }
.btn--dark:hover { background: var(--navy-soft); }

.btn--white { background: var(--white); color: var(--navy); }
.btn--white:hover { background: #fff; box-shadow: var(--shadow-md); }

.btn--outline { border-color: var(--border-2); color: var(--text); background: transparent; }
.btn--outline:hover { border-color: var(--navy); background: var(--navy); color: #fff; }

.btn--ghost-inv { border-color: var(--border-inv); color: var(--text-inv); }
.btn--ghost-inv:hover { border-color: rgba(237,234,227,.5); background: rgba(255,255,255,.04); }

.btn--lg { padding: 1.1rem 2rem; font-size: 1rem; }
.btn--block { width: 100%; }
.btn--wa { background: #25D366; color: #0A2E17; }
.btn--wa:hover { background: #22c35e; box-shadow: 0 10px 26px rgba(37,211,102,.35); }

.btn-row { display: flex; flex-wrap: wrap; gap: .9rem; }

/* ----------------------------------------------------------
   6. NAVIGATION
   ---------------------------------------------------------- */
.nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    height: var(--nav-h);
    z-index: 300;
    display: flex;
    align-items: center;
    transition: background .3s, box-shadow .3s, border-color .3s;
    border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
    background: rgba(247,245,240,.85);
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    border-bottom-color: var(--border);
}
.nav__inner {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: clamp(1.25rem, 5vw, 3rem);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.wordmark {
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.3rem;
    letter-spacing: -0.03em;
    color: var(--navy);
    line-height: 1;
    white-space: nowrap;
}
.wordmark span { color: var(--blue); }
.nav.is-scrolled .wordmark { color: var(--navy); }
.nav--over-dark:not(.is-scrolled) .wordmark { color: #fff; }

.nav__links { display: flex; align-items: center; gap: 2rem; }
.nav__link {
    font-size: .92rem;
    font-weight: 500;
    color: var(--text-2);
    position: relative;
    transition: color .2s;
}
.nav__link::after {
    content: ""; position: absolute; left: 0; bottom: -6px;
    width: 0; height: 2px; background: var(--blue); transition: width .25s var(--ease);
}
.nav__link:hover { color: var(--text); }
.nav__link:hover::after { width: 100%; }
.nav--over-dark:not(.is-scrolled) .nav__link { color: rgba(237,234,227,.72); }
.nav--over-dark:not(.is-scrolled) .nav__link:hover { color: #fff; }

.nav__right { display: flex; align-items: center; gap: 1.1rem; }

.lang-toggle {
    display: inline-flex;
    border: 1px solid var(--border-2);
    border-radius: var(--radius-full, 999px);
    border-radius: 999px;
    overflow: hidden;
    background: rgba(255,255,255,.5);
}
.nav--over-dark:not(.is-scrolled) .lang-toggle { border-color: var(--border-inv); background: rgba(255,255,255,.06); }
.lang-toggle__btn {
    padding: .38rem .7rem;
    font-family: var(--font-mono);
    font-size: .72rem;
    font-weight: 500;
    letter-spacing: .05em;
    color: var(--text-muted);
    transition: background .2s, color .2s;
}
.nav--over-dark:not(.is-scrolled) .lang-toggle__btn { color: rgba(237,234,227,.55); }
.lang-toggle__btn.is-active { background: var(--blue); color: #fff; }

.nav__hamburger { display: none; width: 42px; height: 42px; flex-direction: column; align-items: center; justify-content: center; gap: 5px; border-radius: 8px; }
.nav__hamburger span { display: block; width: 22px; height: 2px; background: var(--navy); border-radius: 2px; transition: transform .3s var(--ease), opacity .2s; }
.nav--over-dark:not(.is-scrolled) .nav__hamburger span { background: #fff; }
.nav__hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__hamburger.is-open span:nth-child(2) { opacity: 0; }
.nav__hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* menu mobile */
.mobile-menu {
    position: fixed; inset: 0;
    z-index: 290;
    background: var(--navy);
    display: flex; flex-direction: column; justify-content: center;
    padding: 6rem 2rem 3rem;
    gap: .5rem;
    transform: translateX(100%);
    transition: transform .4s var(--ease);
    visibility: hidden;
}
.mobile-menu.is-open { transform: translateX(0); visibility: visible; }
.mobile-menu a.m-link {
    font-family: var(--font-display);
    font-size: 1.9rem;
    font-weight: 700;
    color: #fff;
    padding: .5rem 0;
    letter-spacing: -0.02em;
}
.mobile-menu a.m-link:hover { color: var(--blue-light); }
.mobile-menu__foot { margin-top: 2rem; display: flex; flex-direction: column; gap: 1.2rem; }

/* ----------------------------------------------------------
   7. HERO
   ---------------------------------------------------------- */
.hero {
    position: relative;
    background: var(--navy);
    color: var(--text-inv);
    padding-top: calc(var(--nav-h) + clamp(3.5rem, 8vw, 7rem));
    padding-bottom: clamp(4rem, 8vw, 7rem);
    overflow: hidden;
}
.hero__bg {
    position: absolute; inset: 0; z-index: 0;
    background:
        radial-gradient(1100px 620px at 78% -8%, rgba(37,99,235,.28), transparent 60%),
        radial-gradient(760px 520px at 8% 108%, rgba(26,86,219,.16), transparent 60%);
}
.hero__grid {
    position: absolute; inset: 0; z-index: 0; opacity: .5;
    background-image:
        linear-gradient(rgba(237,234,227,.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(237,234,227,.05) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(120% 90% at 50% 0%, #000 35%, transparent 78%);
    -webkit-mask-image: radial-gradient(120% 90% at 50% 0%, #000 35%, transparent 78%);
}
.hero .container { position: relative; z-index: 1; }
.hero__label {
    font-family: var(--font-mono);
    font-size: .78rem;
    letter-spacing: .2em;
    text-transform: uppercase;
    color: var(--blue-light);
    margin-bottom: 1.6rem;
}
.hero h1 { color: #fff; max-width: 16ch; }
.hero__desc {
    margin-top: 1.6rem;
    font-size: clamp(1.05rem, 1rem + 0.45vw, 1.35rem);
    line-height: 1.6;
    color: var(--text-inv-2);
    max-width: 60ch;
}
.hero__actions { margin-top: 2.4rem; }

.hero__stats {
    margin-top: clamp(3rem, 6vw, 4.5rem);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    padding-top: 2.2rem;
    border-top: 1px solid var(--border-inv);
}
.hero__stat-value {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 1.3rem + 1.8vw, 2.6rem);
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.02em;
}
.hero__stat-label { font-size: .82rem; color: var(--text-inv-2); margin-top: .35rem; line-height: 1.4; }

/* ----------------------------------------------------------
   8. SIGNATURE / VALUE BLOCK
   ---------------------------------------------------------- */
.signature {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1.5rem, 1.1rem + 2vw, 2.6rem);
    line-height: 1.25;
    letter-spacing: -0.02em;
    max-width: 22ch;
}
.signature .q { color: var(--blue); }

.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: clamp(2.5rem, 6vw, 5.5rem);
    align-items: center;
}
.split--top { align-items: start; }

/* value cards (avant / après) */
.contrast-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 1.25rem; margin-top: 2.5rem; }
.contrast-card {
    border-radius: var(--radius);
    padding: 2rem 1.9rem;
    border: 1px solid var(--border);
    background: var(--white);
}
.contrast-card__tag {
    font-family: var(--font-mono);
    font-size: .72rem; letter-spacing: .12em; text-transform: uppercase;
    margin-bottom: 1rem; display: inline-flex; align-items: center; gap: .5rem;
}
.contrast-card--before { background: var(--cream-mid); border-color: var(--border-2); }
.contrast-card--before .contrast-card__tag { color: #B4472F; }
.contrast-card--after { border-color: rgba(26,86,219,.25); box-shadow: 0 10px 30px rgba(26,86,219,.08); }
.contrast-card--after .contrast-card__tag { color: var(--blue); }
.contrast-card h3 { margin-bottom: 1rem; }
.contrast-list li { position: relative; padding-left: 1.6rem; margin-top: .7rem; color: var(--text-2); font-size: .95rem; }
.contrast-list li::before {
    content: ""; position: absolute; left: 0; top: .55em;
    width: 7px; height: 7px; border-radius: 50%; background: currentColor; opacity: .35;
}
.contrast-card--after .contrast-list li::before { background: var(--blue); opacity: 1; }

/* ----------------------------------------------------------
   9. TABLE NIVEAUX
   ---------------------------------------------------------- */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; border-radius: var(--radius); }
.levels {
    width: 100%;
    min-width: 440px;
    border-collapse: collapse;
    background: var(--white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    font-size: .92rem;
}
.levels th, .levels td { padding: 1rem 1.15rem; text-align: left; border-bottom: 1px solid var(--border); }
.levels thead th {
    font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase;
    color: var(--text-muted); font-weight: 500; background: var(--cream);
}
.levels tbody tr:last-child td { border-bottom: none; }
.levels td:first-child { font-family: var(--font-mono); color: var(--text-muted); width: 3.5rem; }
.levels .rare { color: var(--blue); font-weight: 600; font-family: var(--font-mono); font-size: .82rem; }
.levels tr.hot { background: rgba(26,86,219,.04); }

/* ----------------------------------------------------------
   10. MÉTHODE (steps)
   ---------------------------------------------------------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.25rem; counter-reset: step; }
.step {
    position: relative;
    padding: 2rem 1.8rem 1.9rem;
    border-radius: var(--radius);
    background: rgba(255,255,255,.03);
    border: 1px solid var(--border-inv);
    transition: border-color .3s, background .3s, transform .3s var(--ease);
}
.step:hover { border-color: rgba(59,130,246,.45); background: rgba(255,255,255,.05); transform: translateY(-4px); }
.step__num {
    font-family: var(--font-mono); font-size: .78rem; color: var(--blue-light);
    letter-spacing: .1em; margin-bottom: 1.1rem;
}
.step h3 { color: #fff; font-size: 1.18rem; margin-bottom: .6rem; }
.step p { color: var(--text-inv-2); font-size: .92rem; line-height: 1.55; }

/* ----------------------------------------------------------
   11. LIVRABLES
   ---------------------------------------------------------- */
.deliverables { display: grid; grid-template-columns: repeat(auto-fill, minmax(215px, 1fr)); gap: 1rem; }
.deliverable {
    display: flex; align-items: flex-start; gap: .9rem;
    padding: 1.3rem 1.35rem;
    border-radius: var(--radius-sm);
    background: var(--white);
    border: 1px solid var(--border);
    transition: transform .25s var(--ease), box-shadow .25s, border-color .25s;
}
.deliverable:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); border-color: var(--border-2); }
.deliverable__icon { flex: none; width: 34px; height: 34px; color: var(--blue); }
.deliverable__icon svg { width: 100%; height: 100%; stroke: currentColor; fill: none; }
.deliverable__name { font-weight: 600; font-size: .95rem; line-height: 1.3; }
.deliverable__type { font-family: var(--font-mono); font-size: .68rem; color: var(--text-muted); letter-spacing: .06em; margin-top: .25rem; }

/* ----------------------------------------------------------
   12. TARIFS
   ---------------------------------------------------------- */
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 1.5rem; align-items: stretch; }
.plan {
    display: flex; flex-direction: column;
    padding: 2.4rem 2rem;
    border-radius: var(--radius);
    background: var(--white);
    border: 1px solid var(--border);
    position: relative;
}
.plan--featured {
    background: var(--navy);
    border-color: var(--navy);
    box-shadow: var(--shadow-lg);
}
.plan--featured * { color: var(--text-inv); }
.plan--featured .plan__price, .plan--featured .plan__name { color: #fff; }
.plan__badge {
    position: absolute; top: -13px; left: 2rem;
    background: var(--blue); color: #fff;
    font-family: var(--font-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase;
    padding: .4rem .8rem; border-radius: 999px;
}
.plan__target { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-muted); }
.plan--featured .plan__target { color: var(--blue-light); }
.plan__name { font-family: var(--font-display); font-weight: 700; font-size: 1.5rem; margin: .5rem 0 1rem; }
.plan__price { font-family: var(--font-display); font-weight: 700; font-size: 2.4rem; letter-spacing: -0.02em; }
.plan__from { font-size: .78rem; color: var(--text-muted); display: block; margin-bottom: .1rem; }
.plan--featured .plan__from { color: var(--text-inv-2); }
.plan__period { font-size: .82rem; color: var(--text-muted); margin-top: .2rem; }
.plan--featured .plan__period { color: var(--text-inv-2); }
.plan__list { margin: 1.6rem 0 2rem; display: grid; gap: .7rem; }
.plan__list li { position: relative; padding-left: 1.7rem; font-size: .92rem; color: var(--text-2); }
.plan--featured .plan__list li { color: var(--text-inv-2); }
.plan__list li::before {
    content: ""; position: absolute; left: 0; top: .15em;
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--blue-pale) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 24 24' fill='none' stroke='%231A56DB' stroke-width='3.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 6 9 17l-5-5'/%3E%3C/svg%3E") center/10px no-repeat;
}
.plan__cta { margin-top: auto; }

.pricing-note { text-align: center; margin-top: 2.5rem; font-size: .9rem; color: var(--text-muted); }
.pricing-note a { color: var(--blue); font-weight: 500; }

/* ----------------------------------------------------------
   13. POUR QUI
   ---------------------------------------------------------- */
.audience { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.25rem; }
.aud-card {
    padding: 2rem 1.9rem;
    border-radius: var(--radius);
    border: 1px solid var(--border-inv);
    transition: border-color .3s, transform .3s var(--ease);
}
.aud-card:hover { border-color: rgba(59,130,246,.4); transform: translateY(-4px); }
.aud-card__num { font-family: var(--font-mono); font-size: .72rem; color: var(--blue-light); letter-spacing: .1em; margin-bottom: .9rem; }
.aud-card h3 { color: #fff; font-size: 1.15rem; margin-bottom: .7rem; }
.aud-card p { color: var(--text-inv-2); font-size: .92rem; line-height: 1.55; }

/* ----------------------------------------------------------
   13b. FAQ (accordéon natif <details>)
   ---------------------------------------------------------- */
.faq { max-width: 820px; margin-inline: auto; display: grid; gap: .85rem; }
.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
}
.faq-item[open] { border-color: var(--border-2); box-shadow: var(--shadow-sm); }
.faq-item summary {
    list-style: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.25rem 1.5rem;
    font-family: var(--font-display);
    font-weight: 600;
    font-size: clamp(1rem, .95rem + .3vw, 1.12rem);
    color: var(--text);
    transition: color .2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--blue); }
.faq-item summary::after {
    content: "";
    flex: none;
    width: 22px; height: 22px;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%231A56DB' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M12 5v14M5 12h14'/%3E%3C/svg%3E") center/contain no-repeat;
    transition: transform .3s var(--ease);
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item__a { padding: 0 1.5rem 1.35rem; color: var(--text-2); line-height: 1.65; max-width: 68ch; }
.faq-item__a a { color: var(--blue); }

/* ----------------------------------------------------------
   14. CONTACT
   ---------------------------------------------------------- */
.contact-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(2.5rem, 6vw, 5rem); align-items: start; }
.contact-actions { display: flex; flex-direction: column; gap: .9rem; margin-top: 2.2rem; max-width: 420px; }
.contact-actions .btn { justify-content: space-between; }

.trust-row { display: flex; gap: 2.5rem; flex-wrap: wrap; margin-top: 2.5rem; padding-top: 2rem; border-top: 1px solid var(--border-inv); }
.trust-item__k { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: rgba(237,234,227,.4); margin-bottom: .35rem; }
.trust-item__v { font-size: .95rem; font-weight: 500; color: #fff; }

.contact-card {
    background: rgba(255,255,255,.04);
    border: 1px solid var(--border-inv);
    border-radius: var(--radius);
    padding: 2.2rem;
}
.info-list { display: grid; gap: 1.5rem; }
.info-item { display: flex; gap: 1rem; align-items: flex-start; }
.info-item__icon { flex: none; width: 42px; height: 42px; border-radius: 11px; background: rgba(59,130,246,.14); color: var(--blue-light); display: grid; place-items: center; }
.info-item__icon svg { width: 19px; height: 19px; stroke: currentColor; fill: none; }
.info-item__k { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em; text-transform: uppercase; color: rgba(237,234,227,.45); margin-bottom: .25rem; }
.info-item__v { color: #fff; font-size: .98rem; word-break: break-word; }
.info-item__v a:hover { color: var(--blue-light); }

.socials { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2rem; }
.social {
    display: inline-flex; align-items: center; gap: .5rem;
    padding: .55rem .9rem; border-radius: 999px;
    border: 1px solid var(--border-inv); color: var(--text-inv-2);
    font-size: .82rem; transition: border-color .2s, color .2s, background .2s;
}
.social svg { width: 15px; height: 15px; fill: currentColor; }
.social:hover { color: #fff; border-color: rgba(59,130,246,.5); background: rgba(59,130,246,.1); }

/* ----------------------------------------------------------
   15. FOOTER
   ---------------------------------------------------------- */
.footer { background: #091320; color: var(--text-inv-2); padding-block: clamp(3rem, 6vw, 4.5rem) 2rem; }
.footer__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); padding-bottom: 3rem; border-bottom: 1px solid var(--border-inv); }
.footer .wordmark { color: #fff; font-size: 1.4rem; margin-bottom: 1.1rem; }
.footer__tagline { font-size: .9rem; line-height: 1.6; max-width: 42ch; }
.footer__col h4 { color: #fff; font-size: .8rem; font-family: var(--font-mono); letter-spacing: .1em; text-transform: uppercase; font-weight: 500; margin-bottom: 1.2rem; }
.footer__col a { display: block; font-size: .9rem; padding: .35rem 0; color: var(--text-inv-2); transition: color .2s; }
.footer__col a:hover { color: #fff; }
.footer__bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; padding-top: 2rem; font-size: .82rem; }
.footer__bottom a:hover { color: #fff; }

/* ----------------------------------------------------------
   16. FLOATING / MISC
   ---------------------------------------------------------- */
.to-top {
    position: fixed; right: 1.4rem; bottom: 1.4rem; z-index: 250;
    width: 46px; height: 46px; border-radius: 50%;
    background: var(--navy); color: #fff;
    display: grid; place-items: center;
    box-shadow: var(--shadow-md);
    opacity: 0; visibility: hidden; transform: translateY(12px);
    transition: opacity .3s, transform .3s, visibility .3s, background .2s;
}
.to-top svg { width: 20px; height: 20px; stroke: currentColor; fill: none; }
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--blue); }

.wa-float {
    position: fixed; right: 1.4rem; bottom: 5.2rem; z-index: 250;
    width: 52px; height: 52px; border-radius: 50%;
    background: #25D366; color: #063; display: grid; place-items: center;
    box-shadow: 0 8px 24px rgba(37,211,102,.4);
    transition: transform .25s var(--ease);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 27px; height: 27px; fill: currentColor; }

/* reveal on scroll */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; }
.reveal.d2 { transition-delay: .16s; }
.reveal.d3 { transition-delay: .24s; }

.skip-link {
    position: absolute; left: -999px; top: 0; z-index: 999;
    background: var(--blue); color: #fff; padding: .8rem 1.2rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* ----------------------------------------------------------
   17. RESPONSIVE
   ---------------------------------------------------------- */
@media (max-width: 960px) {
    .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 1.75rem 1.5rem; }
    .footer__top { grid-template-columns: 1fr 1fr; }
    .footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
    .nav__links, .nav__right .lang-toggle, .nav__right .nav__cta { display: none; }
    .nav__hamburger { display: flex; }
    .split, .contact-grid { grid-template-columns: 1fr; }
    .split { gap: 2.5rem; }
    .signature { max-width: none; }
}

@media (max-width: 560px) {
    .hero__stats { grid-template-columns: 1fr 1fr; gap: 1.5rem 1rem; }
    .footer__top { grid-template-columns: 1fr; }
    .btn-row .btn { width: 100%; }
    .trust-row { gap: 1.75rem; }
    .contrast-card, .plan, .contact-card { padding: 1.6rem 1.4rem; }
}

@media (prefers-reduced-motion: reduce) {
    * { scroll-behavior: auto !important; }
    .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
    .btn:hover, .deliverable:hover, .step:hover, .aud-card:hover { transform: none; }
}