/* =========================================
   TADLO — Site vitrine
   Direction artistique : vert sarcelle, typo serif élégante
   ========================================= */

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

:root {
    /* Palette inspirée du flyer */
    --color-primary: #2A8A85;          /* vert sarcelle principal */
    --color-primary-dark: #1F6C68;     /* vert sarcelle foncé */
    --color-primary-light: #E8F3F2;    /* vert très clair (fonds) */
    --color-accent: #C0392B;           /* rouge des vannes */
    --color-dark: #1A2B2A;             /* texte principal */
    --color-text: #3A4A49;             /* texte courant */
    --color-muted: #6B7A79;             /* texte discret */
    --color-white: #FFFFFF;
    --color-bg: #F7FAFA;

    /* Typographie */
    --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Espacements */
    --container: 1200px;
    --radius: 8px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 8px rgba(26, 43, 42, 0.08);
    --shadow-md: 0 8px 24px rgba(26, 43, 42, 0.12);
    --shadow-lg: 0 16px 48px rgba(26, 43, 42, 0.16);

    /* Transitions */
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

a:hover {
    color: var(--color-primary-dark);
}

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- HEADER ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.96);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(42, 138, 133, 0.12);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 18px;
    padding-bottom: 18px;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1;
    color: var(--color-dark);
}

.logo-text {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    font-weight: 900;
    letter-spacing: 0.02em;
    color: var(--color-primary);
}

.logo-sub {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-muted);
    margin-top: 2px;
    letter-spacing: 0.05em;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 8px;
    align-items: center;
}

.nav-menu a {
    display: inline-block;
    padding: 10px 16px;
    color: var(--color-dark);
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.nav-menu a:hover {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.nav-menu .nav-cta {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 10px 20px;
}

.nav-menu .nav-cta:hover {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.nav-toggle {
    display: none;
    background: transparent;
    border: 0;
    cursor: pointer;
    width: 44px;
    height: 44px;
    padding: 10px;
    flex-direction: column;
    justify-content: space-between;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background-color: var(--color-dark);
    border-radius: 2px;
    transition: all var(--transition);
}

/* ---------- BUTTONS ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.4);
}

.btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-color: var(--color-white);
    color: var(--color-white);
}

.btn-small {
    padding: 10px 20px;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

/* ---------- HERO ---------- */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 100px 0 140px;
    overflow: hidden;
}

.hero::before,
.hero::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    pointer-events: none;
}

.hero::before {
    width: 500px;
    height: 500px;
    top: -150px;
    right: -100px;
}

.hero::after {
    width: 300px;
    height: 300px;
    bottom: -80px;
    left: -80px;
    background: rgba(192, 57, 43, 0.08);
}

.hero-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 820px;
}

.hero-kicker {
    font-size: 1rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    margin-bottom: 16px;
    opacity: 0.9;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 12px;
    color: var(--color-white);
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 400;
    font-style: italic;
    margin-bottom: 32px;
    opacity: 0.95;
}

.hero-text {
    font-size: 1.125rem;
    line-height: 1.7;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.hero-text strong {
    color: var(--color-white);
    font-weight: 600;
}

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

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 80px;
    background: var(--color-white);
    clip-path: polygon(0 100%, 100% 100%, 100% 40%, 0 100%);
}

/* ---------- SECTION HEADINGS ---------- */
.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 64px;
}

.section-kicker {
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 12px;
}

.section-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 2.75rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-dark);
    margin-bottom: 16px;
}

.section-desc {
    font-size: 1.125rem;
    color: var(--color-muted);
    line-height: 1.7;
}

/* ---------- SERVICES ---------- */
.services {
    padding: 100px 0;
    background-color: var(--color-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--color-white);
    padding: 36px 28px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition);
    border: 1px solid rgba(42, 138, 133, 0.08);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(42, 138, 133, 0.2);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: inline-flex;
    width: 64px;
    height: 64px;
    align-items: center;
    justify-content: center;
    background-color: var(--color-primary-light);
    border-radius: 50%;
}

.service-card h3 {
    font-family: var(--font-serif);
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}

.service-card p {
    color: var(--color-text);
    line-height: 1.7;
}

.service-card--cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    border: 0;
}

.service-card--cta h3,
.service-card--cta p {
    color: var(--color-white);
}

.service-card--cta p {
    margin-bottom: 20px;
    opacity: 0.95;
}

.service-card--cta .btn {
    background-color: var(--color-white);
    color: var(--color-primary-dark);
    border-color: var(--color-white);
}

.service-card--cta .btn:hover {
    background-color: var(--color-dark);
    color: var(--color-white);
    border-color: var(--color-dark);
}

/* ---------- À PROPOS ---------- */
.about {
    padding: 100px 0;
    background-color: var(--color-white);
}

.about-inner {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-content .section-kicker {
    text-align: left;
}

.about-content .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.about-content > p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 24px;
}

.about-list {
    list-style: none;
    display: grid;
    gap: 12px;
}

.about-list li {
    font-weight: 500;
    color: var(--color-dark);
    padding: 12px 16px;
    background-color: var(--color-primary-light);
    border-radius: var(--radius);
    border-left: 3px solid var(--color-primary);
}

.about-stats {
    display: grid;
    gap: 20px;
}

.stat {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 32px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
}

.stat-num {
    display: block;
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 900;
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    display: block;
    font-size: 0.95rem;
    opacity: 0.9;
    letter-spacing: 0.03em;
}

/* ---------- DEVIS ---------- */
.devis {
    padding: 100px 0;
    background-color: var(--color-primary-light);
    background-image:
        radial-gradient(circle at 10% 20%, rgba(42, 138, 133, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(42, 138, 133, 0.08) 0%, transparent 40%);
}

.devis-inner {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.devis-intro .section-kicker {
    text-align: left;
}

.devis-intro .section-title {
    text-align: left;
    margin-bottom: 20px;
}

.devis-intro > p {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 32px;
}

.devis-contact-block {
    background-color: var(--color-white);
    padding: 24px;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.devis-contact-block p {
    margin-bottom: 8px;
}

.devis-contact-block p:last-child {
    margin-bottom: 0;
}

.devis-form {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.required {
    color: var(--color-accent);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--color-dark);
    background-color: var(--color-bg);
    border: 2px solid transparent;
    border-radius: var(--radius);
    transition: all var(--transition);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-muted);
    opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background-color: var(--color-white);
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(42, 138, 133, 0.12);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: var(--font-sans);
}

.form-group--consent {
    margin-bottom: 24px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-weight: 400;
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.5;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.form-note {
    font-size: 0.8rem;
    color: var(--color-muted);
    margin-top: 12px;
    text-align: center;
}

/* ---------- CONTACT ---------- */
.contact {
    padding: 80px 0;
    background-color: var(--color-dark);
    color: var(--color-white);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 40px;
}

.contact-col h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary);
    display: inline-block;
}

.contact-col p {
    margin-bottom: 8px;
    opacity: 0.9;
}

.contact-col a {
    color: var(--color-white);
    opacity: 0.9;
}

.contact-col a:hover {
    color: var(--color-primary);
    opacity: 1;
}

/* ---------- FOOTER ---------- */
.site-footer {
    background-color: #0F1A1A;
    color: rgba(255, 255, 255, 0.7);
    padding: 24px 0;
    font-size: 0.85rem;
}

.footer-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: var(--color-primary);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 900px) {
    .about-inner,
    .devis-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 4px;
        box-shadow: var(--shadow-md);
        transform: translateY(-10px);
        opacity: 0;
        pointer-events: none;
        transition: all var(--transition);
    }

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

    .nav-menu a {
        text-align: center;
    }

    .hero {
        padding: 60px 0 100px;
    }

    .services,
    .about,
    .devis {
        padding: 64px 0;
    }

    .section-head {
        margin-bottom: 40px;
    }

    .devis-form {
        padding: 24px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .container {
        padding: 0 16px;
    }
}

/* ---------- ACCESSIBILITÉ ---------- */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}

:focus-visible {
    outline: 3px solid var(--color-primary);
    outline-offset: 2px;
}
.devis-intro .section-title {
    color: #C0392B;
}