/* ==========================================================
   PORTFOLIO JOHN PIRES - FEUILLE DE STYLE PRINCIPALE
   Organisation :
   1. Variables de thème clair/sombre
   2. Base et layout global
   3. Navigation
   4. Sections : Hero, À propos, Expertises, Portfolio, Contact
   5. Responsive
   ========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

:root{
    --bg: #f7f8fb;
    --surface: #ffffff;
    --surface-soft: #eef2ff;
    --text: #111827;
    --muted: #5b6472;
    --border: #dfe5ef;
    --primary: #4f46e5;
    --primary-dark: #3730a3;
    --accent: #0f766e;
    --shadow: 0 20px 60px rgba(15, 23, 42, .10);
    --radius: 24px;
    --header-height: 76px;
}

body.dark-theme{
    --bg: #0b1120;
    --surface: #111827;
    --surface-soft: #182235;
    --text: #f8fafc;
    --muted: #a8b3c7;
    --border: #263244;
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --accent: #22c55e;
    --shadow: 0 20px 60px rgba(0, 0, 0, .35);
}

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

html{
    scroll-behavior: smooth;
}

body{
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background:
        radial-gradient(circle at top left, rgba(79,70,229,.14), transparent 34rem),
        radial-gradient(circle at top right, rgba(15,118,110,.12), transparent 30rem),
        var(--bg);
    color: var(--text);
    line-height: 1.6;
    transition: background .25s ease, color .25s ease;
}

a{
    color: inherit;
    text-decoration: none;
}

img{
    max-width: 100%;
    display: block;
}

ul{
    list-style: none;
}

.container{
    width: min(1120px, calc(100% - 2rem));
    margin: 0 auto;
}

.section{
    padding: 6rem 0;
}

.site-header{
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(18px);
    background: color-mix(in srgb, var(--bg) 86%, transparent);
    border-bottom: 1px solid var(--border);
}

.nav{
    min-height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.nav__brand{
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    font-weight: 800;
}

.brand__mark{
    width: 42px;
    height: 42px;
    border-radius: 14px;
    display: grid;
    place-items: center;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: var(--shadow);
}

.nav__menu{
    display: flex;
    align-items: center;
    gap: 1.5rem;
    font-size: .95rem;
    font-weight: 600;
}

.nav__link{
    color: var(--muted);
}

.nav__link:hover{
    color: var(--text);
}

.nav__cta{
    background: var(--text);
    color: var(--bg);
    padding: .8rem 1rem;
    border-radius: 999px;
}

.nav__actions{
    display: flex;
    align-items: center;
    gap: .5rem;
}

.theme-toggle,
.menu-toggle{
    width: 44px;
    height: 44px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--surface);
    color: var(--text);
    cursor: pointer;
    font-size: 1.2rem;
}

.menu-toggle{
    display: none;
}

.hero{
    min-height: calc(100vh - var(--header-height));
    display: flex;
    align-items: center;
    padding-top: 4rem;
}

.hero__grid{
    display: grid;
    grid-template-columns: minmax(0, 1.18fr) minmax(320px, .82fr);
    align-items: center;
    gap: 4rem;
}

.eyebrow{
    display: inline-flex;
    width: fit-content;
    align-items: center;
    gap: .45rem;
    margin-bottom: 1rem;
    padding: .45rem .75rem;
    border: 1px solid var(--border);
    border-radius: 999px;
    background: var(--surface);
    color: var(--primary);
    font-size: .82rem;
    font-weight: 800;
    letter-spacing: .02em;
}

h1,
h2,
h3{
    line-height: 1.08;
    letter-spacing: -.04em;
}

h1{
    font-size: clamp(2.7rem, 7vw, 5.6rem);
    max-width: 920px;
}

h2{
    font-size: clamp(2rem, 4vw, 3.4rem);
}

h3{
    font-size: 1.35rem;
}

.hero__lead{
    margin-top: 1.5rem;
    max-width: 690px;
    color: var(--muted);
    font-size: 1.15rem;
}

.hero__buttons{
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.button{
    display: inline-flex;
    justify-content: center;
    align-items: center;
    min-height: 48px;
    padding: .9rem 1.25rem;
    border-radius: 999px;
    border: 1px solid transparent;
    font-weight: 800;
    cursor: pointer;
}

.button--primary{
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    box-shadow: var(--shadow);
}

.button--ghost{
    border-color: var(--border);
    background: var(--surface);
    color: var(--text);
}

.hero__metrics{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-top: 2.5rem;
}

.hero__metrics div{
    padding: 1rem;
    border: 1px solid var(--border);
    border-radius: 18px;
    background: color-mix(in srgb, var(--surface) 80%, transparent);
}

.hero__metrics strong{
    display: block;
    font-size: 1.5rem;
    color: var(--primary);
}

.hero__metrics span{
    color: var(--muted);
    font-size: .9rem;
}

.hero__card{
    position: relative;
    overflow: hidden;
    padding: 2rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: linear-gradient(180deg, var(--surface), var(--surface-soft));
    box-shadow: var(--shadow);
}

.hero__card::before{
    content: "";
    position: absolute;
    inset: -30% -30% auto auto;
    width: 280px;
    height: 280px;
    border-radius: 50%;
    background: color-mix(in srgb, var(--primary) 24%, transparent);
    filter: blur(30px);
}

.hero__logo{
    position: relative;
    width: min(100%, 380px);
    margin: 0 auto 1.5rem;
}

.hero__card-body{
    position: relative;
    text-align: center;
}

.hero__card-body p{
    color: var(--muted);
    margin-top: .35rem;
}

.tech-pills{
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: .55rem;
    margin-top: 1.25rem;
}

.tech-pills span,
.case-tag{
    display: inline-flex;
    border-radius: 999px;
    background: color-mix(in srgb, var(--primary) 12%, var(--surface));
    color: var(--primary);
    padding: .45rem .7rem;
    font-size: .8rem;
    font-weight: 800;
}

.about__grid,
.method__grid,
.contact__grid{
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 4rem;
}

.about__text{
    display: grid;
    gap: 1rem;
    color: var(--muted);
    font-size: 1.05rem;
}

.section__header{
    max-width: 760px;
    margin-bottom: 3rem;
}

.section__header p{
    color: var(--muted);
    margin-top: 1rem;
    font-size: 1.05rem;
}

.cards-grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.25rem;
}

.expertise-card,
.why__item,
.step,
.contact-card{
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 10px 30px rgba(15, 23, 42, .05);
}

.expertise-card{
    padding: 1.6rem;
}

.expertise-card i{
    display: inline-grid;
    place-items: center;
    width: 52px;
    height: 52px;
    margin-bottom: 1.25rem;
    border-radius: 18px;
    background: color-mix(in srgb, var(--primary) 12%, var(--surface));
    color: var(--primary);
    font-size: 1.65rem;
}

.expertise-card p{
    color: var(--muted);
    margin: .8rem 0 1rem;
}

.expertise-card li,
.case-card li{
    color: var(--muted);
    position: relative;
    padding-left: 1.1rem;
    margin-top: .45rem;
}

.expertise-card li::before,
.case-card li::before{
    content: "•";
    position: absolute;
    left: 0;
    color: var(--primary);
}

.case-list{
    display: grid;
    gap: 1.5rem;
}

.case-card{
    display: grid;
    grid-template-columns: .8fr 1.2fr;
    gap: 2rem;
    align-items: center;
    padding: 1.25rem;
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 8px);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.case-card--featured{
    border-color: color-mix(in srgb, var(--primary) 32%, var(--border));
}

.case-card__media{
    overflow: hidden;
    border-radius: var(--radius);
    background: var(--surface-soft);
}

.case-card__media img{
    width: 100%;
    height: 100%;
    min-height: 280px;
    object-fit: cover;
}

.case-card__content{
    padding: 1rem;
}

.case-card h3{
    margin: .9rem 0 .75rem;
    font-size: clamp(1.65rem, 3vw, 2.25rem);
}

.case-card p{
    color: var(--muted);
}

.case-columns{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
    margin: 1.5rem 0;
}

.case-columns h4{
    margin-bottom: .5rem;
}

.text-link{
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    color: var(--primary);
    font-weight: 800;
}

.steps{
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.step{
    padding: 1.25rem;
}

.step span{
    color: var(--primary);
    font-weight: 900;
}

.step h3{
    margin: .5rem 0;
}

.step p{
    color: var(--muted);
}

.why{
    padding-top: 2rem;
}

.why__grid{
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.why__item{
    padding: 1.4rem;
}

.why__item i{
    color: var(--accent);
    font-size: 1.7rem;
}

.why__item h3{
    margin: .75rem 0 .5rem;
}

.why__item p,
.contact__intro p{
    color: var(--muted);
}

.contact{
    padding-bottom: 7rem;
}

.contact__cards{
    display: grid;
    gap: .75rem;
    margin-top: 2rem;
}

.contact-card{
    display: flex;
    align-items: center;
    gap: .8rem;
    padding: 1rem;
    font-weight: 700;
}

.contact-card i{
    color: var(--primary);
    font-size: 1.3rem;
}

.contact-form{
    display: grid;
    gap: 1rem;
    padding: 1.4rem;
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 8px);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.contact-form label{
    display: grid;
    gap: .45rem;
    color: var(--text);
    font-weight: 700;
}

.contact-form input,
.contact-form select,
.contact-form textarea{
    width: 100%;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: .95rem 1rem;
    background: var(--bg);
    color: var(--text);
    font: inherit;
    outline: none;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus{
    border-color: var(--primary);
}

.footer{
    padding: 2.5rem 0;
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.footer__grid{
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer p{
    color: var(--muted);
}

.footer__links{
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--muted);
    font-weight: 700;
}

.scroll-top{
    position: fixed;
    right: 1rem;
    bottom: -5rem;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 14px;
    background: var(--primary);
    color: #fff;
    box-shadow: var(--shadow);
    transition: bottom .25s ease;
}

.scroll-top.show-scroll{
    bottom: 1rem;
}

@media (max-width: 920px){
    .menu-toggle{
        display: inline-grid;
        place-items: center;
    }

    .nav__menu{
        position: fixed;
        left: 1rem;
        right: 1rem;
        top: calc(var(--header-height) + .75rem);
        display: grid;
        gap: .25rem;
        padding: 1rem;
        border: 1px solid var(--border);
        border-radius: 20px;
        background: var(--surface);
        box-shadow: var(--shadow);
        transform: translateY(-16px);
        opacity: 0;
        pointer-events: none;
        transition: .2s ease;
    }

    .nav__menu.show-menu{
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

    .nav__link,
    .nav__cta{
        padding: .85rem;
        border-radius: 14px;
    }

    .nav__cta{
        text-align: center;
    }

    .hero__grid,
    .about__grid,
    .method__grid,
    .contact__grid,
    .case-card{
        grid-template-columns: 1fr;
    }

    .hero{
        min-height: auto;
    }

    .hero__card{
        order: -1;
    }

    .cards-grid,
    .why__grid{
        grid-template-columns: 1fr;
    }

    .case-card__media img{
        min-height: 220px;
    }
}

@media (max-width: 640px){
    .container{
        width: min(100% - 1.25rem, 1120px);
    }

    .section{
        padding: 4rem 0;
    }

    .hero{
        padding-top: 2.5rem;
    }

    h1{
        font-size: clamp(2.35rem, 12vw, 3.4rem);
    }

    .hero__metrics,
    .case-columns,
    .steps{
        grid-template-columns: 1fr;
    }

    .hero__buttons .button{
        width: 100%;
    }

    .footer__grid{
        align-items: flex-start;
        flex-direction: column;
    }
}


/* ==================== ANTI-SPAM FORMULAIRE ====================
   Champ invisible pour bloquer certains robots.
   Ne pas supprimer : il est vérifié côté PHP dans contact.php.
*/
.hp-field{
    position: absolute;
    left: -9999px;
    opacity: 0;
    height: 0;
    width: 0;
    pointer-events: none;
}


/* ==================== NOTE CONTACT ====================
   Le lien Discord est volontairement indirect.
   Objectif : éviter d'exposer publiquement un identifiant personnel
   et privilégier un premier contact par e-mail.
*/


/* Liens multiples dans les études de cas */
.case-links{
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}


/* ==================== DIAGNOSTIC INTERACTIF ==================== */
.advisor__grid{
    display: grid;
    grid-template-columns: .85fr 1.15fr;
    gap: 4rem;
    align-items: start;
}

.advisor__grid p{
    color: var(--muted);
    margin-top: 1rem;
}

.advisor-card{
    border: 1px solid var(--border);
    border-radius: calc(var(--radius) + 8px);
    background: var(--surface);
    box-shadow: var(--shadow);
    padding: 1.25rem;
}

.advisor-progress{
    height: 8px;
    border-radius: 999px;
    background: var(--surface-soft);
    overflow: hidden;
    margin-bottom: 1.25rem;
}

.advisor-progress span{
    display: block;
    width: 0%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    transition: width .25s ease;
}

.advisor-step{
    display: none;
}

.advisor-step.active{
    display: grid;
    gap: .75rem;
}

.advisor-step h3,
.advisor-result h3{
    margin-bottom: .5rem;
}

.advisor-step button{
    width: 100%;
    text-align: left;
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 1rem;
    background: var(--bg);
    color: var(--text);
    font: inherit;
    font-weight: 700;
    cursor: pointer;
}

.advisor-step button:hover{
    border-color: var(--primary);
}

.advisor-result{
    display: none;
    gap: 1rem;
}

.advisor-result.active{
    display: grid;
}

.case-links{
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    align-items: center;
}

@media (max-width: 920px){
    .advisor__grid{
        grid-template-columns: 1fr;
    }
}


/* ==================== POPUP FORMULAIRE ==================== */
.form-modal{position:fixed;inset:0;z-index:999;display:none;align-items:center;justify-content:center;padding:1rem}
.form-modal.is-visible{display:flex}
.form-modal__overlay{position:absolute;inset:0;background:rgba(15,23,42,.58);backdrop-filter:blur(8px)}
.form-modal__box{position:relative;width:min(100%,460px);border:1px solid var(--border);border-radius:calc(var(--radius) + 8px);background:var(--surface);color:var(--text);box-shadow:var(--shadow);padding:2rem;text-align:center;animation:modalIn .22s ease both}
.form-modal__close{position:absolute;top:1rem;right:1rem;width:40px;height:40px;border:1px solid var(--border);border-radius:14px;background:var(--bg);color:var(--text);cursor:pointer;font-size:1.2rem}
.form-modal__icon{width:68px;height:68px;margin:0 auto 1.25rem;display:grid;place-items:center;border-radius:22px;background:color-mix(in srgb,var(--accent) 15%,var(--surface));color:var(--accent);font-size:2rem}
.form-modal__icon.error{background:color-mix(in srgb,#ef4444 15%,var(--surface));color:#ef4444}
.form-modal__box h2{margin-bottom:.75rem}
.form-modal__box p{color:var(--muted);margin-bottom:1.5rem}
@keyframes modalIn{from{opacity:0;transform:translateY(12px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}