/* ============================================
   AS Group France — Style principal
   Inspiré de layerone.fr : moderne, minimaliste
   ============================================ */

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

:root {
    --color-primary: #00D2A0;
    --color-primary-mid: #00E5B0;
    --color-primary-light: #4AEABC;
    --gradient-primary: linear-gradient(135deg, #00D2A0, #00E5B0, #4AEABC);
    --gradient-primary-hover: linear-gradient(135deg, #00BF90, #00D2A0, #3AD9AB);
    --color-text: #334059;
    --color-text-secondary: #66738C;
    --color-bg: #F8FAFF;
    --color-bg-alt: #F8FAFC;
    --color-white: #FFFFFF;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.08);
    --shadow-header: 0 1px 3px rgba(0,0,0,0.05);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    --font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", Roboto, sans-serif;
    --transition: 200ms ease;
    --max-width: 1200px;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    font-size: 16px;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition);
}

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

/* ============================================
   Utilities
   ============================================ */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
}

.section--alt {
    background-color: var(--color-bg-alt);
}

.section__header {
    text-align: center;
    margin-bottom: 60px;
}

.section__title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: var(--radius-full);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all var(--transition);
    font-family: var(--font-family);
    text-decoration: none;
}

.btn--primary {
    background: var(--gradient-primary);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(0, 210, 160, 0.3);
}

.btn--primary:hover {
    background: var(--gradient-primary-hover);
    box-shadow: 0 6px 20px rgba(0, 210, 160, 0.4);
    transform: translateY(-1px);
}

.btn--outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn--outline:hover {
    background: var(--gradient-primary);
    color: var(--color-white);
    border-color: transparent;
}

.btn--sm {
    padding: 10px 24px;
    font-size: 0.875rem;
}

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

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-header);
    transition: box-shadow var(--transition);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
}

.header__logo img {
    height: 36px;
    width: auto;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: 36px;
}

.header__nav a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 4px 0;
}

.header__nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: width var(--transition);
}

.header__nav a:hover,
.header__nav a.active {
    color: var(--color-text);
}

.header__nav a:hover::after,
.header__nav a.active::after {
    width: 100%;
}

/* Mobile menu */
.header__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    background: none;
    border: none;
}

.header__burger span {
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ============================================
   Hero
   ============================================ */
.hero {
    padding: 160px 0 120px;
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-white) 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 210, 160, 0.06) 0%, transparent 70%);
    border-radius: 50%;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(74, 234, 188, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.hero__content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero__tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background: rgba(0, 210, 160, 0.08);
    border: 1px solid rgba(0, 210, 160, 0.15);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 32px;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.hero__title {
    font-size: 3.25rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -0.03em;
    color: var(--color-text);
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 640px;
    margin-left: auto;
    margin-right: auto;
}

.hero__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   Cards
   ============================================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

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

.card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: all var(--transition);
}

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

.card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(0, 210, 160, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.card__icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary);
}

.card__title {
    font-size: 1.375rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--color-text);
}

.card__text {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
}

.card__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 20px;
}

.card__tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(0, 210, 160, 0.08);
    color: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
}

.card__zone {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.card__zone svg {
    width: 16px;
    height: 16px;
    color: var(--color-primary);
}

/* ============================================
   Stats / Chiffres clés
   ============================================ */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    text-align: center;
}

.stat {
    padding: 40px 24px;
}

.stat__number {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    line-height: 1.2;
}

.stat__label {
    font-size: 1rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ============================================
   Mission / Text block
   ============================================ */
.text-block {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.text-block p {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    line-height: 1.9;
}

/* ============================================
   Page header (inner pages)
   ============================================ */
.page-header {
    padding: 140px 0 60px;
    text-align: center;
    background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-white) 100%);
}

.page-header__title {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.page-header__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ============================================
   Filiale detail card
   ============================================ */
.filiale-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
    margin-bottom: 32px;
    transition: all var(--transition);
}

.filiale-card:hover {
    box-shadow: var(--shadow-lg);
}

.filiale-card__header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.filiale-card__icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: rgba(0, 210, 160, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.filiale-card__icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.filiale-card__name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
}

.filiale-card__desc {
    font-size: 1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 24px;
    max-width: 700px;
}

.filiale-card__meta {
    display: flex;
    gap: 48px;
    margin-bottom: 32px;
    flex-wrap: wrap;
}

.filiale-card__meta-group h4 {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin-bottom: 12px;
}

/* ============================================
   Values cards (À propos)
   ============================================ */
.value-card {
    text-align: center;
    padding: 48px 32px;
}

.value-card .card__icon {
    margin: 0 auto 24px;
}

/* ============================================
   Vision section
   ============================================ */
.vision {
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    padding: 64px 48px;
    text-align: center;
    color: var(--color-white);
    max-width: 900px;
    margin: 0 auto;
}

.vision h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.vision p {
    font-size: 1.125rem;
    line-height: 1.8;
    opacity: 0.95;
}

/* ============================================
   Contact
   ============================================ */
.contact-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: start;
}

.form {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 48px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.form__group {
    margin-bottom: 24px;
}

.form__label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.form__input,
.form__select,
.form__textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1.5px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-sm);
    font-size: 0.9375rem;
    font-family: var(--font-family);
    color: var(--color-text);
    background: var(--color-bg);
    transition: border-color var(--transition), box-shadow var(--transition);
    outline: none;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 210, 160, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 140px;
}

.form__select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%2366738C' viewBox='0 0 16 16'%3E%3Cpath d='M4 6l4 4 4-4'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.form__submit {
    width: 100%;
}

.form__success {
    display: none;
    text-align: center;
    padding: 32px;
}

.form__success.show {
    display: block;
}

.form__success svg {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin: 0 auto 16px;
}

.form__success h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.form__success p {
    color: var(--color-text-secondary);
}

.contact-info {
    padding: 16px 0;
}

.contact-info__item {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.contact-info__icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: rgba(0, 210, 160, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info__icon svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
}

.contact-info__label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-secondary);
    margin-bottom: 4px;
}

.contact-info__value {
    font-size: 0.9375rem;
    color: var(--color-text);
    font-weight: 500;
}

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

.contact-info__value a:hover {
    text-decoration: underline;
}

/* ============================================
   Legal
   ============================================ */
.legal {
    max-width: 800px;
    margin: 0 auto;
}

.legal h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 48px 0 16px;
    padding-top: 32px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.legal h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.legal p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: 12px;
}

.legal strong {
    color: var(--color-text);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-text);
    color: rgba(255, 255, 255, 0.7);
    padding: 64px 0 0;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 48px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer__brand {
    font-size: 0.9375rem;
    line-height: 1.7;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
}

.footer__logo img {
    height: 32px;
    width: auto;
    filter: brightness(0) invert(1);
}

.footer__title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-white);
    margin-bottom: 20px;
}

.footer__links {
    list-style: none;
}

.footer__links li {
    margin-bottom: 12px;
}

.footer__links a {
    font-size: 0.9375rem;
    transition: color var(--transition);
}

.footer__links a:hover {
    color: var(--color-white);
}

.footer__contact p {
    font-size: 0.9375rem;
    margin-bottom: 8px;
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.footer__contact svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    margin-top: 4px;
    opacity: 0.7;
}

.footer__bottom {
    text-align: center;
    padding: 24px 0;
    font-size: 0.8125rem;
    opacity: 0.6;
}

/* ============================================
   Animations
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 968px) {
    .hero__title {
        font-size: 2.5rem;
    }

    .cards-grid,
    .cards-grid--3 {
        grid-template-columns: 1fr;
    }

    .stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .filiale-card {
        padding: 32px 24px;
    }

    .filiale-card__meta {
        gap: 24px;
    }

    .vision {
        padding: 48px 32px;
    }
}

@media (max-width: 768px) {
    .header__nav {
        display: none;
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid rgba(0,0,0,0.06);
    }

    .header__nav.open {
        display: flex;
    }

    .header__burger {
        display: flex;
    }

    .header__burger.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .header__burger.open span:nth-child(2) {
        opacity: 0;
    }

    .header__burger.open span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        padding: 130px 0 80px;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__subtitle {
        font-size: 1.0625rem;
    }

    .section {
        padding: 64px 0;
    }

    .section__title {
        font-size: 1.75rem;
    }

    .page-header {
        padding: 120px 0 40px;
    }

    .page-header__title {
        font-size: 2rem;
    }

    .form {
        padding: 32px 24px;
    }

    .container {
        padding: 0 16px;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 1.75rem;
    }

    .hero__actions {
        flex-direction: column;
        align-items: center;
    }

    .stat__number {
        font-size: 2.25rem;
    }
}