/* =====================================================
   HORIZON BLEU — Template Premium
   Agence de communication, Reims
   ===================================================== */

/* ---- 1. VARIABLES ---- */
:root {
    /* Brand */
    --primary:        #0047CC;
    --primary-hover:  #003DB3;
    --primary-dark:   #002D8C;
    --primary-light:  #EAF0FF;
    --accent:         #00B4D8;

    /* Backgrounds */
    --bg:             #FFFFFF;
    --bg-soft:        #F6F8FF;
    --bg-alt:         #F0F3FB;
    --bg-dark:        #030B1E;
    --bg-dark-2:      #050F28;

    /* Text */
    --text:           #0A0E1A;
    --text-muted:     #556070;
    --text-light:     #94A3B8;

    /* Borders */
    --border:         #DDE3F0;
    --border-light:   #EEF2FF;

    /* Typography */
    --font-display:   'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-body:      'Inter', system-ui, -apple-system, sans-serif;
    --font-ui:        'Space Grotesk', system-ui, sans-serif;

    /* Layout */
    --container:      1280px;
    --nav-h:          80px;
    --section-py:     7rem;

    /* Radius */
    --r-sm:  8px;
    --r:     14px;
    --r-lg:  22px;
    --r-xl:  36px;

    /* Shadows */
    --shadow-xs: 0 1px 4px rgba(0,20,80,.05);
    --shadow-sm: 0 2px 12px rgba(0,20,80,.07);
    --shadow:    0 6px 28px rgba(0,20,80,.09);
    --shadow-lg: 0 16px 56px rgba(0,20,80,.13);
    --shadow-xl: 0 28px 80px rgba(0,20,80,.17);

    /* Transitions */
    --ease:      cubic-bezier(.4,0,.2,1);
    --t:         .25s;
    --t-slow:    .5s;
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol { list-style: none; }

button { cursor: pointer; border: none; background: none; font-family: inherit; }

input, textarea, select {
    font-family: var(--font-body);
    font-size: 1rem;
}

address { font-style: normal; }

/* ---- 3. LAYOUT ---- */
.container {
    width: 100%;
    max-width: var(--container);
    margin-inline: auto;
    padding-inline: 2rem;
}

/* ---- 4. TYPOGRAPHY UTILITIES ---- */
em { font-style: italic; color: var(--primary); }

.section-label {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-family: var(--font-ui);
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .14em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-label--center { justify-content: center; }

.section-label::before {
    content: '';
    display: inline-block;
    width: 28px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    flex-shrink: 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -.01em;
    color: var(--text);
}

.section-desc {
    max-width: 56ch;
    color: var(--text-muted);
    font-size: 1.05rem;
    line-height: 1.75;
    margin-top: 1rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-header .section-desc { margin-inline: auto; }

.section-header--split {
    text-align: left;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 2rem;
    flex-wrap: wrap;
}

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    font-family: var(--font-ui);
    font-size: .9rem;
    font-weight: 600;
    color: var(--primary);
    border-bottom: 1px solid transparent;
    transition: border-color var(--t) var(--ease), gap var(--t) var(--ease);
}

.link-arrow svg { width: 16px; height: 16px; transition: transform var(--t) var(--ease); }

.link-arrow:hover {
    border-color: var(--primary);
}

.link-arrow:hover svg { transform: translateX(4px); }

/* ---- 5. BUTTONS ---- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .85rem 2rem;
    border-radius: var(--r-xl);
    font-family: var(--font-ui);
    font-size: .9rem;
    font-weight: 600;
    letter-spacing: .01em;
    white-space: nowrap;
    transition: all var(--t) var(--ease);
    position: relative;
    overflow: hidden;
}

.btn svg { width: 16px; height: 16px; flex-shrink: 0; }

.btn--primary {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(0,71,204,.35);
}

.btn--primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 6px 28px rgba(0,71,204,.45);
    transform: translateY(-2px);
}

.btn--ghost {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}

.btn--ghost:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.btn--outline {
    background: transparent;
    color: var(--primary);
    border: 1.5px solid var(--primary);
}

.btn--outline:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(0,71,204,.3);
}

.btn--light {
    background: #fff;
    color: var(--primary);
    font-weight: 700;
    box-shadow: 0 4px 24px rgba(0,0,0,.15);
}

.btn--light:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0,0,0,.2);
}

.btn--full { width: 100%; justify-content: center; }

/* ---- 6. SCROLL ANIMATIONS ---- */
[data-animate] {
    opacity: 0;
    transform: translateY(28px);
    transition:
        opacity .7s var(--ease),
        transform .7s var(--ease);
}

[data-animate][data-delay="1"] { transition-delay: .1s; }
[data-animate][data-delay="2"] { transition-delay: .2s; }
[data-animate][data-delay="3"] { transition-delay: .3s; }
[data-animate][data-delay="4"] { transition-delay: .4s; }
[data-animate][data-delay="5"] { transition-delay: .5s; }

[data-animate].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ---- 7. NAVIGATION ---- */
.nav {
    position: fixed;
    inset: 0 0 auto;
    z-index: 900;
    height: var(--nav-h);
    background: rgba(255,255,255,.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition:
        box-shadow var(--t) var(--ease),
        background var(--t) var(--ease);
}

.nav--scrolled {
    background: rgba(255,255,255,.97);
    box-shadow: var(--shadow-sm);
}

.nav .container { height: 100%; }

.nav__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 2rem;
}

/* Logo */
.logo { display: flex; flex-direction: column; gap: 1px; }

.logo__name {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -.02em;
    line-height: 1;
}

.logo__name em {
    color: var(--primary);
    font-style: normal;
}

.logo__name--white { color: #fff; }
.logo__name--white em { color: rgba(255,255,255,.75); }

.logo__sub {
    font-family: var(--font-ui);
    font-size: .6rem;
    font-weight: 500;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-muted);
    line-height: 1;
}

/* Menu */
.nav__menu {
    display: flex;
    align-items: center;
    gap: .25rem;
}

.nav__link {
    font-family: var(--font-ui);
    font-size: .875rem;
    font-weight: 500;
    color: var(--text-muted);
    padding: .5rem .9rem;
    border-radius: var(--r-sm);
    transition: color var(--t) var(--ease), background var(--t) var(--ease);
}

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

.nav__link--cta {
    background: var(--primary);
    color: #fff;
    padding: .55rem 1.25rem;
    border-radius: var(--r-xl);
    margin-left: .75rem;
    font-weight: 600;
    box-shadow: 0 2px 14px rgba(0,71,204,.3);
}

.nav__link--cta:hover {
    background: var(--primary-hover);
    color: #fff;
    box-shadow: 0 4px 20px rgba(0,71,204,.4);
    transform: translateY(-1px);
}

/* Burger */
.nav__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: .5rem;
    border-radius: var(--r-sm);
}

.burger__bar {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: all .3s var(--ease);
}

.nav__burger--active .burger__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__burger--active .burger__bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav__burger--active .burger__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---- 8. HERO ---- */
.hero {
    position: relative;
    min-height: 100vh;
    padding-top: var(--nav-h);
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--bg-soft);
}

.hero__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hero__bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--border-light) 1px, transparent 1px),
        linear-gradient(90deg, var(--border-light) 1px, transparent 1px);
    background-size: 48px 48px;
    opacity: .6;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero .container { position: relative; z-index: 1; width: 100%; }

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    padding: 5rem 0 6rem;
}

/* Hero badge */
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    padding: .45rem 1rem .45rem .7rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    font-family: var(--font-ui);
    font-size: .75rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 1.75rem;
    box-shadow: var(--shadow-xs);
}

.badge__pulse {
    display: block;
    width: 8px;
    height: 8px;
    background: #22C55E;
    border-radius: 50%;
    flex-shrink: 0;
    position: relative;
}

.badge__pulse::before {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    background: rgba(34,197,94,.3);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: .5; }
    50% { transform: scale(1.5); opacity: 0; }
}

/* Hero title */
.hero__title {
    font-family: var(--font-display);
    font-size: clamp(2.8rem, 5vw, 4.4rem);
    font-weight: 600;
    line-height: 1.1;
    letter-spacing: -.02em;
    margin-bottom: 1.5rem;
    color: var(--text);
}

.hero__rotating-word {
    display: inline-block;
    color: var(--primary);
    position: relative;
    transition: opacity .3s var(--ease), transform .3s var(--ease);
}

.hero__rotating-word::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    border-radius: 2px;
    opacity: .4;
}

.hero__rotating-word.word-out {
    opacity: 0;
    transform: translateY(-16px);
}

.hero__rotating-word.word-in {
    animation: wordIn .4s var(--ease) forwards;
}

@keyframes wordIn {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.hero__desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    line-height: 1.8;
    max-width: 50ch;
    margin-bottom: 2.25rem;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: .85rem;
    margin-bottom: 3rem;
}

.hero__kpis {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.hero__kpi {
    display: flex;
    flex-direction: column;
}

.hero__kpi strong {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
}

.hero__kpi span {
    font-size: .75rem;
    font-weight: 500;
    color: var(--text-muted);
    font-family: var(--font-ui);
    margin-top: .2rem;
}

.hero__kpi-sep {
    width: 1px;
    height: 32px;
    background: var(--border);
}

/* Hero visual */
.hero__visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.hv-inner {
    position: relative;
    width: 100%;
    max-width: 480px;
    aspect-ratio: 1 / 1;
}

/* Blobs */
.hv-blob {
    position: absolute;
    border-radius: 50%;
}

.hv-blob--main {
    width: 320px;
    height: 320px;
    top: 50%;
    left: 50%;
    transform: translate(-48%, -50%);
    background: radial-gradient(ellipse at 40% 40%, rgba(0,71,204,.18) 0%, rgba(0,180,216,.08) 60%, transparent 80%);
    animation: blobFloat 6s ease-in-out infinite;
}

.hv-blob--secondary {
    width: 200px;
    height: 200px;
    top: 10%;
    right: 8%;
    background: radial-gradient(ellipse, rgba(0,180,216,.15) 0%, transparent 70%);
    animation: blobFloat 8s ease-in-out infinite 1.5s;
}

.hv-blob--tertiary {
    width: 140px;
    height: 140px;
    bottom: 15%;
    left: 8%;
    background: radial-gradient(ellipse, rgba(0,71,204,.12) 0%, transparent 70%);
    animation: blobFloat 7s ease-in-out infinite .8s;
}

@keyframes blobFloat {
    0%, 100% { transform: translate(0,0) scale(1); }
    33%  { transform: translate(6px,-12px) scale(1.03); }
    66%  { transform: translate(-4px,8px) scale(.97); }
}

.hv-blob--main { animation: none; /* override for translate */ }

/* Floating cards */
.hv-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .7rem 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--r);
    box-shadow: var(--shadow);
    font-family: var(--font-ui);
    font-size: .8rem;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    z-index: 2;
}

.hv-card__icon {
    width: 30px;
    height: 30px;
    background: var(--primary-light);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.hv-card__icon svg { width: 15px; height: 15px; }

.hv-card--1 { top: 12%; left: 2%; animation: cardFloat 5s ease-in-out infinite; }
.hv-card--2 { top: 46%; right: -2%; animation: cardFloat 6.5s ease-in-out infinite 1s; }
.hv-card--3 { bottom: 16%; left: 10%; animation: cardFloat 5.5s ease-in-out infinite 2s; }

@keyframes cardFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

/* Dots */
.hv-dot {
    position: absolute;
    border-radius: 50%;
    background: var(--primary);
    z-index: 1;
}

.hv-dot--1 { width: 10px; height: 10px; top: 28%; left: 48%; opacity: .4; }
.hv-dot--2 { width: 7px; height: 7px; top: 60%; right: 18%; opacity: .3; }
.hv-dot--3 { width: 12px; height: 12px; bottom: 30%; left: 38%; background: var(--accent); opacity: .35; }
.hv-dot--4 { width: 5px; height: 5px; top: 18%; right: 30%; opacity: .25; }

/* Horizon line */
.hv-horizon {
    position: absolute;
    bottom: 35%;
    left: -5%;
    right: -5%;
    height: 1px;
    background: linear-gradient(to right, transparent, var(--primary) 30%, var(--accent) 70%, transparent);
    opacity: .2;
}

/* Scroll hint */
.hero__scroll-hint {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-mouse {
    width: 22px;
    height: 36px;
    border: 2px solid var(--border);
    border-radius: 11px;
    display: flex;
    justify-content: center;
    padding: 5px 0;
}

.scroll-mouse__dot {
    width: 4px;
    height: 4px;
    background: var(--text-light);
    border-radius: 50%;
    animation: scrollDot 2.2s ease-in-out infinite;
}

@keyframes scrollDot {
    0%   { transform: translateY(0); opacity: 1; }
    70%  { transform: translateY(14px); opacity: 0; }
    71%  { transform: translateY(0); opacity: 0; }
    100% { opacity: 1; }
}

/* ---- 9. MANIFESTE ---- */
.manifeste {
    padding: var(--section-py) 0;
    background: var(--bg);
}

.manifeste__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
    margin-bottom: 5rem;
    padding-bottom: 5rem;
    border-bottom: 1px solid var(--border-light);
}

.manifeste__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 2.8rem);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text);
}

.manifeste__right p {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 1.2rem;
}

.manifeste__right .link-arrow { margin-top: .5rem; }

/* Pillars */
.pillars {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.pillar {
    padding: 1.75rem;
    background: var(--bg-soft);
    border-radius: var(--r-lg);
    border: 1px solid var(--border-light);
    transition: all var(--t) var(--ease);
}

.pillar:hover {
    background: var(--bg);
    border-color: var(--primary-light);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.pillar__icon {
    width: 44px;
    height: 44px;
    background: var(--primary-light);
    border-radius: var(--r);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1rem;
}

.pillar__icon svg { width: 22px; height: 22px; }

.pillar h3 {
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .6rem;
}

.pillar p {
    font-size: .9rem;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ---- 10. SERVICES ---- */
.services {
    padding: var(--section-py) 0;
    background: var(--bg-soft);
}

/* Filter bar */
.filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: .5rem;
    justify-content: center;
    margin-bottom: 3rem;
}

.filter-btn {
    padding: .55rem 1.25rem;
    border-radius: var(--r-xl);
    font-family: var(--font-ui);
    font-size: .8rem;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg);
    border: 1.5px solid var(--border);
    transition: all var(--t) var(--ease);
}

.filter-btn:hover {
    color: var(--primary);
    border-color: var(--primary-light);
    background: var(--primary-light);
}

.filter-btn.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(0,71,204,.3);
}

/* Services grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
}

.service-card {
    position: relative;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--r-lg);
    padding: 1.75rem;
    transition: all var(--t) var(--ease);
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0 0 auto;
    height: 3px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    transform-origin: left;
    transform: scaleX(0);
    transition: transform .35s var(--ease);
    border-radius: var(--r-lg) var(--r-lg) 0 0;
}

.service-card:hover {
    border-color: transparent;
    box-shadow: var(--shadow-lg);
    transform: translateY(-5px);
}

.service-card:hover::after { transform: scaleX(1); }

.service-card__icon {
    width: 46px;
    height: 46px;
    background: var(--primary-light);
    border-radius: var(--r);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    margin-bottom: 1.2rem;
    transition: background var(--t) var(--ease);
}

.service-card__icon svg { width: 22px; height: 22px; }

.service-card:hover .service-card__icon {
    background: var(--primary);
    color: #fff;
}

.service-card h3 {
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .7rem;
    line-height: 1.3;
}

.service-card p {
    font-size: .875rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

.service-card__tag {
    display: inline-block;
    padding: .25rem .7rem;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: var(--r-sm);
    font-family: var(--font-ui);
    font-size: .7rem;
    font-weight: 600;
    letter-spacing: .04em;
}

/* Featured card */
.service-card--featured {
    border-color: var(--primary-light);
    background: linear-gradient(135deg, var(--bg) 0%, var(--bg-soft) 100%);
}

.service-card__new {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, #7C3AED, #0047CC);
    color: #fff;
    padding: .2rem .6rem;
    border-radius: var(--r-sm);
    font-family: var(--font-ui);
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .06em;
    text-transform: uppercase;
}

/* ---- 11. STATS ---- */
.stats-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(255,255,255,.06) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 50%, rgba(0,180,216,.15) 0%, transparent 50%);
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    color: #fff;
    padding: 1.5rem;
}

.stat-item + .stat-item {
    border-left: 1px solid rgba(255,255,255,.15);
}

.stat-item__num {
    font-family: var(--font-display);
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 700;
    line-height: 1;
    display: inline;
}

.stat-item__unit {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3vw, 2.8rem);
    font-weight: 600;
    display: inline;
    opacity: .7;
}

.stat-item__label {
    display: block;
    font-family: var(--font-ui);
    font-size: .8rem;
    font-weight: 500;
    letter-spacing: .06em;
    text-transform: uppercase;
    opacity: .7;
    margin-top: .6rem;
}

/* ---- 12. PORTFOLIO ---- */
.portfolio {
    padding: var(--section-py) 0;
    background: var(--bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.portfolio-card--wide { grid-column: span 2; }

.portfolio-card {
    background: var(--bg);
    border-radius: var(--r-lg);
    overflow: hidden;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-xs);
    transition: all var(--t) var(--ease);
}

.portfolio-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: transparent;
}

.portfolio-card__thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.portfolio-card--wide .portfolio-card__thumb { aspect-ratio: 21 / 9; }

.portfolio-card__overlay {
    position: absolute;
    inset: 0;
    background: rgba(3,11,30,.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity .3s var(--ease);
    backdrop-filter: blur(2px);
}

.portfolio-card:hover .portfolio-card__overlay { opacity: 1; }

.portfolio-card__cta {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .7rem 1.5rem;
    background: #fff;
    color: var(--text);
    border-radius: var(--r-xl);
    font-family: var(--font-ui);
    font-size: .85rem;
    font-weight: 600;
    transition: background var(--t) var(--ease), transform var(--t) var(--ease);
}

.portfolio-card__cta:hover {
    background: var(--primary);
    color: #fff;
    transform: scale(1.03);
}

.portfolio-card__cta svg { width: 14px; height: 14px; }

.portfolio-card__info {
    padding: 1.25rem 1.5rem 1.5rem;
}

.portfolio-card__tags {
    display: flex;
    gap: .4rem;
    margin-bottom: .7rem;
}

.portfolio-card__tags span {
    padding: .2rem .6rem;
    background: var(--bg-soft);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    font-family: var(--font-ui);
    font-size: .68rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: .04em;
}

.portfolio-card h3 {
    font-family: var(--font-ui);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .4rem;
}

.portfolio-card p {
    font-size: .875rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.portfolio-footer {
    text-align: center;
    padding-top: 1rem;
}

/* ---- 13. IA SECTION ---- */
.ia-section {
    position: relative;
    padding: var(--section-py) 0;
    background: var(--bg-dark);
    color: #fff;
    overflow: hidden;
}

.ia-section__bg {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.ia-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
}

.ia-orb--1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -100px;
    background: radial-gradient(circle, rgba(0,71,204,.35) 0%, transparent 60%);
    animation: orbPulse 8s ease-in-out infinite;
}

.ia-orb--2 {
    width: 400px;
    height: 400px;
    bottom: -150px;
    left: -50px;
    background: radial-gradient(circle, rgba(0,180,216,.25) 0%, transparent 60%);
    animation: orbPulse 10s ease-in-out infinite 2s;
}

@keyframes orbPulse {
    0%, 100% { transform: scale(1) translate(0, 0); }
    50% { transform: scale(1.1) translate(20px, -20px); }
}

.ia-grid-overlay {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
    background-size: 48px 48px;
}

.ia-section__inner {
    position: relative;
    z-index: 1;
    text-align: center;
}

.ia-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    padding: .4rem 1rem;
    background: rgba(0,71,204,.3);
    border: 1px solid rgba(0,180,216,.4);
    border-radius: var(--r-xl);
    font-family: var(--font-ui);
    font-size: .75rem;
    font-weight: 600;
    color: var(--accent);
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.ia-section__title {
    font-family: var(--font-display);
    font-size: clamp(2.2rem, 4vw, 3.5rem);
    font-weight: 600;
    line-height: 1.15;
    color: #fff;
    margin-bottom: 1.25rem;
}

.ia-section__title em {
    color: var(--accent);
    font-style: italic;
}

.ia-section__desc {
    max-width: 60ch;
    margin-inline: auto;
    color: rgba(255,255,255,.65);
    font-size: 1.05rem;
    line-height: 1.75;
    margin-bottom: 4rem;
}

.ia-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 3.5rem;
    text-align: left;
}

.ia-feature {
    background: rgba(255,255,255,.05);
    border: 1px solid rgba(255,255,255,.08);
    border-radius: var(--r-lg);
    padding: 2rem;
    transition: all var(--t) var(--ease);
}

.ia-feature:hover {
    background: rgba(255,255,255,.08);
    border-color: rgba(0,180,216,.3);
    transform: translateY(-4px);
}

.ia-feature__icon {
    width: 48px;
    height: 48px;
    background: rgba(0,71,204,.4);
    border-radius: var(--r);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    margin-bottom: 1.2rem;
}

.ia-feature__icon svg { width: 22px; height: 22px; }

.ia-feature h3 {
    font-family: var(--font-ui);
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: .7rem;
}

.ia-feature p {
    font-size: .875rem;
    color: rgba(255,255,255,.6);
    line-height: 1.65;
}

.ia-section__cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: .75rem;
}

.ia-cta-note {
    font-size: .8rem;
    color: rgba(255,255,255,.45);
    font-family: var(--font-ui);
}

/* ---- 14. REFERENCES ---- */
.references {
    padding: 5rem 0;
    background: var(--bg-soft);
    overflow: hidden;
}

.references__header {
    text-align: center;
    margin-bottom: 3rem;
}

.marquee-wrapper {
    overflow: hidden;
    position: relative;
}

.marquee-wrapper::before,
.marquee-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.marquee-wrapper::before {
    left: 0;
    background: linear-gradient(to right, var(--bg-soft), transparent);
}

.marquee-wrapper::after {
    right: 0;
    background: linear-gradient(to left, var(--bg-soft), transparent);
}

.marquee-track {
    display: flex;
    animation: marquee 35s linear infinite;
    width: max-content;
}

.marquee-track:hover { animation-play-state: paused; }

@keyframes marquee {
    from { transform: translateX(0); }
    to   { transform: translateX(-50%); }
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: 3.5rem;
    padding: 0 1.75rem;
    flex-shrink: 0;
}

.marquee-content span {
    font-family: var(--font-ui);
    font-size: .9rem;
    font-weight: 600;
    color: var(--text-light);
    letter-spacing: .02em;
    white-space: nowrap;
    padding: .5rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    background: var(--bg);
    transition: all var(--t) var(--ease);
}

.marquee-content span:hover {
    color: var(--primary);
    border-color: var(--primary-light);
    background: var(--primary-light);
}

/* ---- 15. ACTUALITÉS ---- */
.actualites {
    padding: var(--section-py) 0;
    background: var(--bg);
}

.actu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: auto auto;
    gap: 1.5rem;
}

.actu-card--featured {
    grid-row: span 2;
}

.actu-card {
    background: var(--bg);
    border: 1px solid var(--border-light);
    border-radius: var(--r-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    transition: all var(--t) var(--ease);
}

.actu-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-3px);
    border-color: transparent;
}

.actu-card__thumb {
    position: relative;
    aspect-ratio: 16 / 8;
    display: flex;
    align-items: flex-start;
    padding: 1.25rem;
}

.actu-card__thumb--sm { aspect-ratio: 16 / 6; }

.actu-card__cat {
    display: inline-block;
    padding: .3rem .8rem;
    background: rgba(255,255,255,.15);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255,255,255,.2);
    border-radius: var(--r-xl);
    font-family: var(--font-ui);
    font-size: .7rem;
    font-weight: 700;
    color: #fff;
    letter-spacing: .06em;
    text-transform: uppercase;
}

.actu-card__body {
    padding: 1.5rem;
}

.actu-card__date {
    display: block;
    font-family: var(--font-ui);
    font-size: .75rem;
    font-weight: 500;
    color: var(--text-light);
    margin-bottom: .7rem;
    letter-spacing: .02em;
}

.actu-card h3 {
    font-family: var(--font-ui);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text);
    line-height: 1.4;
    margin-bottom: .75rem;
}

.actu-card--featured h3 {
    font-size: 1.25rem;
    margin-bottom: .9rem;
}

.actu-card p {
    font-size: .875rem;
    color: var(--text-muted);
    line-height: 1.65;
    margin-bottom: 1rem;
}

/* ---- 16. CONTACT ---- */
.contact {
    padding: var(--section-py) 0;
    background: var(--bg-soft);
}

.contact__inner {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 6rem;
    align-items: start;
}

.contact__title {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 3rem);
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 1.25rem;
    color: var(--text);
}

.contact__desc {
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    font-size: 1rem;
}

.contact-infos {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-info {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-info__icon {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: var(--r);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

.contact-info__icon svg { width: 18px; height: 18px; }

.contact-info__label {
    font-family: var(--font-ui);
    font-size: .7rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--text-light);
    margin-bottom: .2rem;
}

.contact-info a,
.contact-info address {
    font-size: .95rem;
    color: var(--text);
    font-weight: 500;
    transition: color var(--t) var(--ease);
}

.contact-info a:hover { color: var(--primary); }

/* Form */
.contact-form {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--r-xl);
    padding: 2.5rem;
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: .45rem;
    margin-bottom: 1.25rem;
}

.form-group:last-of-type { margin-bottom: 1.5rem; }

.form-group label {
    font-family: var(--font-ui);
    font-size: .8rem;
    font-weight: 600;
    color: var(--text);
    letter-spacing: .02em;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: .8rem 1.1rem;
    background: var(--bg-soft);
    border: 1.5px solid var(--border);
    border-radius: var(--r);
    font-size: .9rem;
    color: var(--text);
    transition: border-color var(--t) var(--ease), box-shadow var(--t) var(--ease), background var(--t) var(--ease);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
}

.form-group select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23556070' stroke-width='2'%3E%3Cpath d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right .9rem center;
    background-size: 16px;
    padding-right: 2.5rem;
    cursor: pointer;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--primary);
    background: var(--bg);
    box-shadow: 0 0 0 3px rgba(0,71,204,.1);
}

.form-group input.is-error,
.form-group textarea.is-error {
    border-color: #EF4444;
    box-shadow: 0 0 0 3px rgba(239,68,68,.1);
}

.form-group textarea { resize: vertical; min-height: 110px; }

.form-group--check { margin-bottom: 1.5rem; }

.check-label {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    cursor: pointer;
}

.check-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 2px;
    accent-color: var(--primary);
    cursor: pointer;
}

.check-label span {
    font-size: .8rem;
    color: var(--text-muted);
    line-height: 1.6;
}

.check-label a {
    color: var(--primary);
    text-decoration: underline;
}

/* Form success */
.form-success {
    text-align: center;
    padding: 3rem 2rem;
}

.form-success__icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, #22C55E, #16A34A);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: #fff;
}

.form-success__icon svg { width: 28px; height: 28px; }

.form-success h3 {
    font-family: var(--font-ui);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: .5rem;
}

.form-success p {
    color: var(--text-muted);
    font-size: .95rem;
}

/* ---- 17. FOOTER ---- */
.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,.7);
    padding-top: 5rem;
}

.footer__main {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: 5rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid rgba(255,255,255,.08);
    margin-bottom: 2rem;
}

.footer__brand p {
    font-size: .9rem;
    line-height: 1.8;
    color: rgba(255,255,255,.5);
    margin: 1.25rem 0 1.5rem;
    max-width: 36ch;
}

.footer__logo { display: inline-block; margin-bottom: .1rem; }

.footer__social {
    display: flex;
    gap: .6rem;
}

.social-btn {
    width: 36px;
    height: 36px;
    background: rgba(255,255,255,.07);
    border-radius: var(--r-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,.5);
    transition: all var(--t) var(--ease);
}

.social-btn:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.social-btn svg { width: 16px; height: 16px; }

.footer__nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer__col h4 {
    font-family: var(--font-ui);
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: #fff;
    margin-bottom: 1.25rem;
}

.footer__col ul {
    display: flex;
    flex-direction: column;
    gap: .65rem;
}

.footer__col li a,
.footer__col li address {
    font-size: .875rem;
    color: rgba(255,255,255,.5);
    transition: color var(--t) var(--ease);
    line-height: 1.5;
}

.footer__col li a:hover { color: #fff; }

.footer__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 1.5rem 0;
}

.footer__bottom p {
    font-size: .8rem;
    color: rgba(255,255,255,.35);
}

.footer__bottom span { color: rgba(255,255,255,.5); }

.footer__legal {
    display: flex;
    gap: 1.5rem;
}

.footer__legal a {
    font-size: .8rem;
    color: rgba(255,255,255,.35);
    transition: color var(--t) var(--ease);
}

.footer__legal a:hover { color: rgba(255,255,255,.7); }

/* ---- 18. FLOATING ELEMENTS ---- */
.floating-cta {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 800;
    display: flex;
    align-items: center;
    gap: .6rem;
    padding: .75rem 1.4rem .75rem 1rem;
    background: var(--primary);
    color: #fff;
    border-radius: var(--r-xl);
    font-family: var(--font-ui);
    font-size: .85rem;
    font-weight: 600;
    box-shadow: 0 6px 30px rgba(0,71,204,.45);
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity .3s var(--ease), transform .3s var(--ease), background var(--t) var(--ease);
}

.floating-cta.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.floating-cta:hover {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(0,71,204,.55);
}

.floating-cta svg { width: 18px; height: 18px; }

.back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 800;
    width: 44px;
    height: 44px;
    background: var(--bg);
    color: var(--text);
    border: 1.5px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    opacity: 0;
    transform: translateY(12px);
    pointer-events: none;
    transition: opacity .3s var(--ease), transform .3s var(--ease), background var(--t), color var(--t), border-color var(--t);
}

.back-to-top.is-visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.back-to-top:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    transform: translateY(-2px);
}

.back-to-top svg { width: 18px; height: 18px; }

/* ---- 19. RESPONSIVE ---- */

/* Large desktop */
@media (max-width: 1200px) {
    .services-grid { grid-template-columns: repeat(3, 1fr); }
    .ia-features { grid-template-columns: repeat(2, 1fr); }
    .pillars { grid-template-columns: repeat(2, 1fr); }
}

/* Tablet landscape */
@media (max-width: 1024px) {
    :root { --section-py: 5rem; }

    .hero__inner { grid-template-columns: 1fr; gap: 3rem; padding: 4rem 0 5rem; }
    .hero__visual { display: none; }
    .hero__title { font-size: clamp(2.8rem, 6vw, 4rem); }
    .hero__content { max-width: 680px; }

    .manifeste__inner { grid-template-columns: 1fr; gap: 2.5rem; }
    .contact__inner { grid-template-columns: 1fr; gap: 3.5rem; }
    .footer__main { grid-template-columns: 1fr; gap: 3rem; }

    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .stat-item + .stat-item { border-left: none; }
    .stat-item:nth-child(2) { border-left: 1px solid rgba(255,255,255,.15); }
}

/* Tablet portrait */
@media (max-width: 768px) {
    :root {
        --container: 100%;
        --section-py: 4rem;
        --nav-h: 68px;
    }

    /* Nav mobile */
    .nav__burger { display: flex; }

    .nav__menu {
        position: fixed;
        inset: var(--nav-h) 0 0;
        background: rgba(255,255,255,.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        align-items: stretch;
        padding: 1.5rem;
        gap: .25rem;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform .35s var(--ease), opacity .35s var(--ease);
        z-index: 850;
    }

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

    .nav__link {
        padding: .85rem 1.25rem;
        font-size: .95rem;
        border-radius: var(--r);
    }

    .nav__link--cta {
        margin-left: 0;
        margin-top: .5rem;
        text-align: center;
        border-radius: var(--r-xl);
    }

    /* Services */
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .filter-bar { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; padding-bottom: .5rem; }
    .filter-btn { flex-shrink: 0; }

    /* Stats */
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .stat-item:nth-child(2) { border-left: none; }

    /* Portfolio */
    .portfolio-grid { grid-template-columns: 1fr; }
    .portfolio-card--wide { grid-column: span 1; }

    /* IA */
    .ia-features { grid-template-columns: 1fr; }

    /* Actualités */
    .actu-grid { grid-template-columns: 1fr; }
    .actu-card--featured { grid-row: span 1; }

    /* Footer */
    .footer__nav { grid-template-columns: repeat(2, 1fr); }

    /* Pillars */
    .pillars { grid-template-columns: 1fr 1fr; gap: 1rem; }

    /* Contact form */
    .contact-form { padding: 1.75rem; }
    .form-row { grid-template-columns: 1fr; }

    /* Section header split */
    .section-header--split { flex-direction: column; align-items: flex-start; }

    /* Floating CTA */
    .floating-cta span { display: none; }
    .floating-cta { padding: .9rem; width: 50px; height: 50px; justify-content: center; }
}

/* Mobile */
@media (max-width: 480px) {
    .hero__title { font-size: 2.5rem; }
    .hero__actions { flex-direction: column; }
    .hero__actions .btn { width: 100%; justify-content: center; }
    .services-grid { grid-template-columns: 1fr; }
    .pillars { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .footer__nav { grid-template-columns: 1fr; }
    .back-to-top { left: 1rem; }
    .floating-cta { right: 1rem; }
    .manifeste__inner { margin-bottom: 3rem; padding-bottom: 3rem; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }

    [data-animate] {
        opacity: 1;
        transform: none;
    }

    html { scroll-behavior: auto; }
}