/* ================================================================
   BASE — Reset, variables, utilitaires, boutons, responsive
   ================================================================ */

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

:root {
    --bg:      #07070f;
    --bg1:     #0b0b18;
    --bg2:     #0f0f22;
    --bg3:     #131330;

    --glass:       rgba(255,255,255,0.04);
    --glass-h:     rgba(255,255,255,0.07);
    --border:      rgba(255,255,255,0.07);
    --border-h:    rgba(255,255,255,0.14);

    --blue:        #4f9eff;
    --blue-dk:     #1a52c0;
    --electric:    #00d0ff;
    --electric-dk: #009ec4;
    --violet:      #8b5cf6;
    --violet-dk:   #5b21b6;
    --violet-lt:   #a78bfa;
    --red:         #e84a63;
    --red-dk:      #b2173b;
    --gold:        #f59e0b;
    --orange:      #f97316;

    --t1: #eeeef8;
    --t2: #8888aa;
    --t3: #444460;

    --fh: 'Outfit', sans-serif;
    --fb: 'Inter', sans-serif;

    --max:   1200px;
    --sp:    clamp(80px, 10vw, 130px);
    --sp-sm: clamp(60px, 7vw, 90px);
}

html { scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--t1);
    font-family: var(--fb);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img { max-width: 100%; display: block; }
a   { color: inherit; text-decoration: none; }

/* ----------------------------------------------------------------
   UTILITIES
   ---------------------------------------------------------------- */
.container {
    max-width: var(--max);
    margin: 0 auto;
    padding: 0 clamp(20px, 5vw, 40px);
}

/* Gradient text */
.gt-cool {
    background: linear-gradient(135deg, var(--electric) 0%, var(--blue) 45%, var(--violet-lt) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gt-warm {
    background: linear-gradient(135deg, var(--gold) 0%, var(--red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Section label */
.label {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-family: var(--fh);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--electric);
    margin-bottom: 22px;
}
.label::before {
    content: '';
    display: block;
    width: 22px;
    height: 1px;
    background: var(--electric);
    flex-shrink: 0;
}

/* Divider */
.divider {
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--border) 30%, var(--border) 70%, transparent 100%);
}

/* Scroll reveal */
.rv {
    opacity: 0;
    transform: translateY(36px);
    transition: opacity 0.9s cubic-bezier(0.16,1,0.3,1),
                transform 0.9s cubic-bezier(0.16,1,0.3,1);
}
.rv.in  { opacity: 1; transform: none; }
.rv-d1  { transition-delay: 0.08s; }
.rv-d2  { transition-delay: 0.16s; }
.rv-d3  { transition-delay: 0.24s; }
.rv-d4  { transition-delay: 0.32s; }
.rv-d5  { transition-delay: 0.40s; }

/* ----------------------------------------------------------------
   BUTTONS
   ---------------------------------------------------------------- */
.btn-prim {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 34px;
    border-radius: 100px;
    font-family: var(--fh);
    font-size: 1rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--blue-dk), var(--violet-dk));
    color: #fff;
    border: 1px solid rgba(255,255,255,.1);
    transition: all .3s ease;
    box-shadow: 0 4px 24px rgba(79,158,255,.18), inset 0 1px 0 rgba(255,255,255,.1);
    cursor: pointer;
}
.btn-prim:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 42px rgba(79,158,255,.35), inset 0 1px 0 rgba(255,255,255,.15);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 34px;
    border-radius: 100px;
    font-family: var(--fh);
    font-size: 1rem;
    font-weight: 500;
    background: var(--glass);
    color: var(--t1);
    border: 1px solid var(--border);
    transition: all .3s ease;
    cursor: pointer;
}
.btn-ghost:hover {
    background: rgba(255,255,255,.08);
    border-color: var(--border-h);
    transform: translateY(-2px);
}

/* ----------------------------------------------------------------
   RESPONSIVE — TABLET (< 980px)
   ---------------------------------------------------------------- */
@media (max-width: 980px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: 48px;
        text-align: center;
    }
    .hero-sub { max-width: 100%; }
    .hero-actions { justify-content: center; }
    .hero-grid .phone-wrap { justify-content: center; }

    .concept-grid { grid-template-columns: repeat(2, 1fr); }

    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }

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

/* ----------------------------------------------------------------
   RESPONSIVE — MOBILE (< 640px)
   ---------------------------------------------------------------- */
@media (max-width: 640px) {
    :root {
        --sp:    56px;
        --sp-sm: 40px;
    }

    /* Nav */
    #nav { padding: 16px 0; }
    #nav .nav-store-btns { display: none; }

    /* Hero — texte centré en haut, iPhone en dessous */
    .hero-inner        { padding-top: 100px; padding-bottom: 64px; }
    .hero-grid         {
        display: flex !important;
        flex-direction: column;
        gap: 40px;
    }
    .hero-text         { order: 1; text-align: center; }
    .hero-grid .phone-wrap { order: 2; justify-content: center; }
    .hero-title        { font-size: clamp(2.4rem, 10vw, 3.4rem); }
    .hero-sub          { font-size: 0.93rem; margin-left: auto; margin-right: auto; }
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    .hero-actions .btn-prim,
    .hero-actions .btn-ghost {
        justify-content: center;
        padding: 15px 24px;
    }
    .hero-badge { font-size: 0.68rem; }

    /* Phone mockup */
    .iphone.size-lg  { width: 210px; }
    .iphone.size-md  { width: 170px; }
    .iphone.size-sm  { width: 140px; }
    .phone-glow      { width: 240px; height: 240px; }

    /* Concept — 2 colonnes sur mobile */
    .concept-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }

    /* Feature split */
    .fs, .fs.rev { gap: 32px; }
    .fs-title    { font-size: clamp(1.75rem, 7vw, 2.3rem); }
    .fs-text     { font-size: 0.9rem; }
    .fs-list li  { font-size: 0.88rem; }

    /* Territory visual */
    .terr-visual { width: 230px; height: 230px; }

    /* Duel cards */
    .duel-cards { grid-template-columns: 1fr; gap: 12px; }

    /* Manifesto */
    .manifesto-text { font-size: 1.05rem; }
    .manifesto-cta  { font-size: clamp(2rem, 9vw, 3.2rem); }
    .manifesto-hr   { margin: 32px auto; }

    /* Buttons globaux */
    .btn-prim,
    .btn-ghost {
        padding: 14px 24px;
        font-size: 0.92rem;
    }

    /* Footer */
    .footer-grid   { grid-template-columns: 1fr; gap: 32px; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 8px; }

    /* Scroll hint */
    .scroll-hint { display: none; }
}