/* ========================================
   VARIABLES & RESET
   ======================================== */

:root {
    /* Couleurs du logo */
    --color-primary: #26524b;
    --color-secondary: #94a187;

    /* Palette étendue */
    --color-primary-dark: #1a3833;
    --color-primary-light: #336b62;
    --color-secondary-light: #a8b39a;
    --color-secondary-lighter: #c5cebe;

    /* Couleurs neutres */
    --color-white: #ffffff;
    --color-off-white: #fafafa;
    --color-light-gray: #f5f5f5;
    --color-gray: #e0e0e0;
    --color-medium-gray: #9e9e9e;
    --color-text-secondary: #666666; /* Nouveau - meilleur contraste WCAG AA */
    --color-dark-gray: #424242;
    --color-black: #1a1a1a;

    /* Typographie */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Échelle typographique cohérente */
    --text-xs: 0.75rem;      /* 12px */
    --text-sm: 0.875rem;     /* 14px */
    --text-base: 1rem;       /* 16px */
    --text-lg: 1.125rem;     /* 18px */
    --text-xl: 1.25rem;      /* 20px */
    --text-2xl: 1.5rem;      /* 24px */
    --text-3xl: 1.875rem;    /* 30px */
    --text-4xl: 2.25rem;     /* 36px */
    --text-5xl: 3rem;        /* 48px */

    /* Line heights */
    --leading-tight: 1.2;
    --leading-snug: 1.4;
    --leading-normal: 1.6;
    --leading-relaxed: 1.8;

    /* Espacements - Système cohérent 8px base */
    --spacing-1: 0.5rem;   /* 8px */
    --spacing-2: 1rem;     /* 16px */
    --spacing-3: 1.5rem;   /* 24px */
    --spacing-4: 2rem;     /* 32px */
    --spacing-6: 3rem;     /* 48px */
    --spacing-8: 4rem;     /* 64px */
    --spacing-12: 6rem;    /* 96px */
    --spacing-16: 8rem;    /* 128px */

    /* Transitions - Simplifiées */
    --transition-fast: 0.15s ease-out;
    --transition-base: 0.25s ease-out;
    --transition-slow: 0.4s ease-out;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Effet aquatique pour protection anti-inondation */
    --wave-pattern: url("data:image/svg+xml,%3Csvg width='100' height='20' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 10 Q 12.5 5, 25 10 T 50 10 T 75 10 T 100 10' stroke='%2394a187' stroke-width='1' fill='none' opacity='0.3'/%3E%3C/svg%3E");
    --ripple-effect: radial-gradient(circle at center, rgba(38, 82, 75, 0.05) 0%, transparent 70%);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    font-weight: var(--font-weight-regular);
    line-height: 1.6;
    color: var(--color-dark-gray);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

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

/* ========================================
   UTILITAIRES
   ======================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.section {
    padding: var(--spacing-12) 0;
}

/* Hiérarchie visuelle améliorée avec motif aquatique */
.section-label {
    display: inline-block;
    font-size: var(--text-sm);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-primary);
    margin-bottom: var(--spacing-3);
    padding: var(--spacing-1) var(--spacing-2);
    background: linear-gradient(135deg, rgba(38, 82, 75, 0.08) 0%, rgba(38, 82, 75, 0.12) 100%);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-primary);
    position: relative;
    overflow: hidden;
}

.section-label::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--wave-pattern);
    background-size: 100px 20px;
    background-repeat: repeat-x;
    opacity: 0.5;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-8);
}

.section-title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    font-weight: var(--font-weight-bold);
    line-height: var(--leading-tight);
    color: var(--color-black);
    margin-bottom: var(--spacing-3);
    letter-spacing: -0.02em;
}

.section-description {
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-regular);
}

/* ========================================
   NAVIGATION
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.logo img {
    height: 50px;
    width: auto;
    transition: transform var(--transition-base);
}

.logo:hover img {
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-6);
}

.nav-link {
    position: relative;
    font-weight: var(--font-weight-medium);
    font-size: var(--text-base);
    color: var(--color-dark-gray);
    padding: var(--spacing-1) 0;
    transition: color var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

/* Bouton de contact dans la navigation */
.nav-contact-item {
    display: block;
}

.nav-contact {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    font-size: 0.9375rem;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.nav-contact:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
}

.nav-contact:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm);
}

.nav-contact svg {
    flex-shrink: 0;
}

.nav-contact-text {
    white-space: nowrap;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    padding: 5px;
    position: relative;
    z-index: 1001;
}

.nav-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-base);
    position: relative;
    z-index: 1001;
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-off-white) 0%, var(--color-light-gray) 100%);
    z-index: -1;
}

/* Effet de vagues subtil en bas du hero */
.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background-image: url("data:image/svg+xml,%3Csvg width='1200' height='80' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0,40 Q150,20 300,40 T600,40 T900,40 T1200,40 L1200,80 L0,80 Z' fill='%23ffffff' opacity='0.8'/%3E%3Cpath d='M0,50 Q150,30 300,50 T600,50 T900,50 T1200,50 L1200,80 L0,80 Z' fill='%23ffffff' opacity='0.6'/%3E%3Cpath d='M0,60 Q150,40 300,60 T600,60 T900,60 T1200,60 L1200,80 L0,80 Z' fill='%23ffffff' opacity='0.4'/%3E%3C/svg%3E");
    background-size: 1200px 80px;
    background-repeat: repeat-x;
    background-position: bottom;
    z-index: 1;
    pointer-events: none;
}

/* Logo en filigrane en arrière-plan */
.hero-background::before {
    content: '';
    position: absolute;
    top: 50%;
    right: 5%;
    width: 45%;
    max-width: 500px;
    aspect-ratio: 1;
    transform: translateY(-50%) rotate(-15deg);
    background-image: url('../images/Logo.svg');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.3;
    pointer-events: none;
}

/* Décoration subtile complémentaire */
.hero-background::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -5%;
    width: 40%;
    height: 60%;
    background: radial-gradient(circle, rgba(148, 161, 135, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 1;
    padding: var(--spacing-12) 0;
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-8);
    align-items: center;
}

.hero-text {
    max-width: 700px;
}

.hero-title {
    font-size: clamp(var(--text-4xl), 7vw, var(--text-5xl));
    font-weight: var(--font-weight-bold);
    line-height: var(--leading-tight);
    color: var(--color-black);
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.02em;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.title-line:nth-child(2) {
    animation-delay: 0.15s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
    }
}

.hero-subtitle {
    font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
    line-height: var(--leading-normal);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-6);
    max-width: 700px;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.2s forwards;
    font-weight: var(--font-weight-regular);
}

.hero-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    margin-bottom: var(--spacing-6);
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.3s forwards;
}

.hero-highlight {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background-color: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.hero-highlight:hover {
    box-shadow: var(--shadow-md);
}

.hero-highlight svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.hero-highlight span {
    font-size: 0.9375rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-dark-gray);
    white-space: nowrap;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-3);
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.4s forwards;
}

/* Polaroids Hero */
.hero-polaroids {
    position: relative;
    height: 550px;
    opacity: 0;
    animation: fadeInUp 0.6s ease 0.5s forwards;
}

.polaroid {
    position: absolute;
    background-color: var(--color-white);
    padding: 1rem;
    padding-bottom: 3.5rem;
    border-radius: 4px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15), 0 2px 6px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-base);
    cursor: pointer;
    width: 220px;
}

.polaroid::after {
    content: '';
    position: absolute;
    bottom: 3rem;
    left: 1rem;
    right: 1rem;
    height: 2px;
    background: var(--wave-pattern);
    background-size: 50px 10px;
    background-repeat: repeat-x;
    opacity: 0.3;
}

.polaroid:hover {
    transform: scale(1.05) !important;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2), 0 4px 8px rgba(0, 0, 0, 0.15);
    z-index: 10 !important;
}

.polaroid img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    border-radius: 2px;
}

.polaroid-label {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    text-align: center;
    font-family: 'Indie Flower', cursive, var(--font-primary);
    font-size: var(--text-base);
    color: var(--color-dark-gray);
    font-weight: 500;
}

.polaroid-1 {
    top: 0;
    right: 140px;
    transform: rotate(-6deg);
    z-index: 4;
}

.polaroid-2 {
    top: 80px;
    right: 20px;
    transform: rotate(7deg);
    z-index: 3;
}

.polaroid-3 {
    top: 200px;
    right: 150px;
    transform: rotate(-4deg);
    z-index: 2;
}

.polaroid-4 {
    top: 320px;
    right: 40px;
    transform: rotate(5deg);
    z-index: 1;
}

/* ========================================
   BOUTONS - Design amélioré
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--text-base);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    cursor: pointer;
    text-align: center;
    position: relative;
    letter-spacing: 0.01em;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(38, 82, 75, 0.2);
    border: 2px solid transparent;
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(38, 82, 75, 0.3);
    transform: translateY(-2px);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(38, 82, 75, 0.2);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    box-shadow: none;
}

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 12px rgba(38, 82, 75, 0.15);
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-tertiary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-white);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-tertiary:hover {
    background-color: var(--color-off-white);
    color: var(--color-primary-dark);
    border-color: var(--color-off-white);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.btn-tertiary:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-large {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--text-lg);
    border-radius: var(--radius-xl);
}

/* ========================================
   SERVICES
   ======================================== */

.services-overview {
    background-color: var(--color-white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-6);
}

/* Cartes de services - Design différencié avec effet aquatique */
.service-card {
    background-color: var(--color-white);
    border: 2px solid transparent;
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    transition: all var(--transition-base);
    opacity: 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--wave-pattern);
    background-size: 100px 20px;
    background-repeat: repeat-x;
    opacity: 0;
    transition: opacity var(--transition-base);
}


.service-card.visible {
    opacity: 1;
}

.service-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(38, 82, 75, 0.12);
    transform: translateY(-4px);
}

.service-card:hover::before {
    opacity: 1;
    animation: wave-flow 2s ease-in-out infinite;
}

@keyframes wave-flow {
    0%, 100% {
        background-position: 0 0;
    }
    50% {
        background-position: 100px 0;
    }
}

.service-icon {
    width: 72px;
    height: 72px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(38, 82, 75, 0.1) 0%, rgba(38, 82, 75, 0.15) 100%);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    transform: scale(1.05);
}

.service-title {
    font-size: var(--text-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-black);
    margin-bottom: var(--spacing-3);
    line-height: var(--leading-snug);
    letter-spacing: -0.01em;
}

.service-description {
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--spacing-4);
    font-size: var(--text-base);
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    font-size: var(--text-base);
    transition: all var(--transition-fast);
}

.service-link:hover {
    gap: var(--spacing-2);
}

.service-link svg {
    transition: transform var(--transition-fast);
}

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

/* ========================================
   RENOVATION SECTION
   ======================================== */

.renovation-section {
    background-color: var(--color-off-white);
}

.renovation-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-12);
}

.renovation-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

.renovation-item.visible {
    opacity: 1;
}

.renovation-item-reverse {
    direction: rtl;
}

.renovation-item-reverse > * {
    direction: ltr;
}

.renovation-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-base);
    position: relative;
}

.renovation-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: var(--wave-pattern);
    background-size: 100px 20px;
    background-repeat: repeat-x;
    opacity: 0.7;
    z-index: 1;
}

.renovation-image:hover {
    transform: translateY(-4px);
}

.renovation-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    aspect-ratio: 4/3;
    display: block;
}

.renovation-content h3 {
    font-size: var(--text-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-black);
    margin-bottom: var(--spacing-4);
    line-height: var(--leading-tight);
    letter-spacing: -0.01em;
}

.renovation-content p {
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--spacing-4);
    font-size: var(--text-base);
}

.renovation-features {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-2);
}

.renovation-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-dark-gray);
    font-size: var(--text-base);
}

.renovation-features li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    font-weight: bold;
    font-size: var(--text-sm);
    flex-shrink: 0;
}

/* ========================================
   FLOOD BARRIERS SECTION
   ======================================== */

.flood-barriers-section {
    background-color: var(--color-white);
}

.flood-barriers-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
    align-items: center;
}

.flood-barriers-text {
    opacity: 0;
    transition: opacity var(--transition-base);
}

.flood-barriers-text.visible {
    opacity: 1;
}

.flood-barriers-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-top: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

.flood-barriers-visual {
    opacity: 0;
    transition: opacity var(--transition-base);
}

.flood-barriers-visual.visible {
    opacity: 1;
}

.flood-barriers-visual img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    transition: transform var(--transition-base);
}

.flood-barriers-visual:hover img {
    transform: translateY(-4px);
}

/* ========================================
   FOUNDER SECTION
   ======================================== */

.founder-section {
    background-color: var(--color-white);
}

.founder-content {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--spacing-8);
    align-items: center;
}

.founder-image {
    opacity: 0;
    transition: opacity var(--transition-base);
}

.founder-image.visible {
    opacity: 1;
}

.founder-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    aspect-ratio: 3/4;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.founder-image:hover img {
    transform: translateY(-4px);
}

.founder-text {
    opacity: 0;
    transition: opacity var(--transition-base);
}

.founder-text.visible {
    opacity: 1;
}

.founder-bio {
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--spacing-3);
    font-size: var(--text-lg);
}

.founder-bio:last-of-type {
    margin-bottom: 0;
}

/* ========================================
   WHY CHOOSE US
   ======================================== */

.why-choose-us {
    background-color: var(--color-light-gray);
}

.why-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-8);
    align-items: center;
}

.why-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-top: var(--spacing-6);
}

.feature-item {
    display: flex;
    gap: var(--spacing-3);
    opacity: 0;
    transition: opacity var(--transition-base);
    padding: var(--spacing-3);
    border-radius: var(--radius-lg);
    background-color: transparent;
    position: relative;
}

.feature-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: linear-gradient(180deg, transparent, var(--color-primary), transparent);
    transition: height var(--transition-base);
    border-radius: 2px;
}

.feature-item.visible {
    opacity: 1;
}

.feature-item:hover {
    background-color: rgba(255, 255, 255, 0.5);
}

.feature-item:hover::before {
    height: 80%;
}

.feature-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, rgba(38, 82, 75, 0.1) 0%, rgba(38, 82, 75, 0.15) 100%);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.feature-item:hover .feature-icon {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    transform: scale(1.05);
}

.feature-content h3 {
    font-size: var(--text-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-black);
    margin-bottom: var(--spacing-1);
    line-height: var(--leading-snug);
}

.feature-content p {
    color: var(--color-text-secondary);
    line-height: var(--leading-normal);
    font-size: var(--text-base);
}

.why-visual {
    opacity: 0;
    transition: opacity var(--transition-base);
}

.why-visual.visible {
    opacity: 1;
}

.visual-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-8);
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    transition: transform 0.3s ease;
}

.visual-card:hover {
    transform: translateY(-5px);
}

.stat-item {
    text-align: center;
    padding: var(--spacing-4);
    background-color: rgba(255, 255, 255, 0.15); /* Légèrement plus opaque */
    border-radius: var(--radius-lg);
    /* backdrop-filter retiré pour performance */
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: default;
}

.stat-item:hover {
    background-color: rgba(255, 255, 255, 0.2);
    transform: scale(1.05);
}

.stat-number {
    font-size: 3rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    line-height: 1;
    margin-bottom: var(--spacing-1);
}

.stat-label {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: var(--font-weight-medium);
}

/* ========================================
   CTA SECTION
   ======================================== */

.cta-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

/* Effet de décoration subtil sans vagues */
.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at top right, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-3);
    color: var(--color-white);
    line-height: var(--leading-tight);
    letter-spacing: -0.02em;
}

.cta-text {
    font-size: var(--text-xl);
    line-height: var(--leading-normal);
    margin-bottom: var(--spacing-6);
    color: rgba(255, 255, 255, 0.95);
    font-weight: var(--font-weight-regular);
}

.cta-section .btn-primary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-white);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.cta-section .btn-primary:hover {
    background-color: var(--color-off-white);
    color: var(--color-primary-dark);
    border-color: var(--color-off-white);
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

/* ========================================
   FOOTER
   ======================================== */

/* Footer - Simplifié et restructuré */
.footer {
    background-color: var(--color-black);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-8) 0 var(--spacing-4);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-6);
}

.footer-logo {
    height: 50px;
    width: auto;
    margin-bottom: var(--spacing-3);
    filter: brightness(0) invert(1);
}

.footer-description {
    line-height: var(--leading-relaxed);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
}

.footer-title {
    font-size: var(--text-base);
    font-weight: var(--font-weight-bold);
    color: var(--color-white);
    margin-bottom: var(--spacing-3);
    letter-spacing: 0.02em;
}

.footer-links li,
.footer-contact li {
    margin-bottom: var(--spacing-2);
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    transition: color var(--transition-fast);
    font-size: var(--text-sm);
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-2);
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
}

.footer-contact svg {
    flex-shrink: 0;
    margin-top: 2px;
    opacity: 0.8;
}

.footer-bottom {
    padding-top: var(--spacing-4);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: var(--text-sm);
}

/* ========================================
   RESPONSIVE
   ======================================== */

/* Breakpoint pour tablette - affichage compact du numéro */
@media (max-width: 1024px) {
    .nav-menu {
        gap: var(--spacing-4);
    }

    .nav-contact {
        padding: 0.65rem 1.25rem;
        font-size: 0.875rem;
    }
}

@media (max-width: 768px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }

    .hero-polaroids {
        display: none;
    }

    .hero-text {
        max-width: 100%;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: auto; /* Hauteur automatique au lieu de full-screen */
        max-height: calc(100vh - 80px);
        overflow-y: auto;
        flex-direction: column;
        background-color: var(--color-white);
        padding: var(--spacing-4);
        gap: var(--spacing-3);
        box-shadow: var(--shadow-lg);
        transform: scaleY(0);
        transform-origin: top;
        opacity: 0;
        transition: transform var(--transition-base), opacity var(--transition-base);
        pointer-events: none;
    }

    .nav-menu.active {
        transform: scaleY(1);
        opacity: 1;
        pointer-events: auto;
    }

    .nav-contact-item {
        display: block;
        margin-top: var(--spacing-2);
        padding-top: var(--spacing-2);
        border-top: 1px solid var(--color-gray);
    }

    .nav-contact {
        width: 100%;
        justify-content: center;
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }

    .nav-contact-text {
        display: inline;
    }

    /* Améliorer le tap target size */
    .nav-link {
        padding: var(--spacing-3) 0;
        font-size: 1.125rem;
    }

    .nav-toggle {
        display: flex;
    }

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

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

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

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .hero-highlights {
        flex-direction: column;
        gap: var(--spacing-2);
    }

    .hero-highlight {
        width: 100%;
        justify-content: flex-start;
    }

    .why-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }

    .why-visual {
        order: -1;
    }

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

    .renovation-item,
    .renovation-item-reverse {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .renovation-item-reverse {
        direction: ltr;
    }

    .renovation-features {
        grid-template-columns: 1fr;
    }

    .flood-barriers-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }

    .flood-barriers-visual {
        order: -1;
    }

    .founder-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-6);
    }

    .founder-image {
        max-width: 300px;
        margin: 0 auto;
    }

    .section {
        padding: var(--spacing-8) 0;
    }
}

/* ========================================
   PERFORMANCE & ACCESSIBILITÉ
   ======================================== */

/* Optimisation des animations */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-3);
    }

    .nav-container {
        height: 70px;
    }

    .logo img {
        height: 40px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }
}