/* ============================================
   VELBRUN CAPITAL - SITE VITRINE PREMIUM
   Design Ultra-Sobre & Luxueux
   ============================================ */

:root {
    /* Couleurs Premium */
    --navy-deep: #0a1628;
    --navy-primary: #1a2642;
    --navy-light: #2d3e5f;
    
    --gold-primary: #b8936d;
    --gold-light: #d4af7a;
    --gold-dark: #9d7d5a;
    
    --white: #ffffff;
    --cream: #f9f8f6;
    --gray-ultra-light: #f5f4f2;
    --gray-light: #e8e6e3;
    --gray-medium: #a8a6a3;
    --gray-dark: #5a5856;
    
    /* Typographie */
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Inter', -apple-system, sans-serif;
    
    /* Espacements */
    --section-padding: 120px;
    --container-width: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--navy-primary);
    background-color: var(--white);
    line-height: 1.8;
    -webkit-font-smoothing: antialiased;
    font-weight: 300;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 400;
    line-height: 1.3;
    color: var(--navy-deep);
}

h1 { font-size: 4rem; }
h2 { font-size: 2.75rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.375rem; }

/* ============================================
   CONTAINER
   ============================================ */

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

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

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 25px 0;
    border-bottom: 1px solid rgba(184, 147, 109, 0.15);
    transition: all 0.4s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 50px;
    width: auto;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 50px;
    align-items: center;
}

.nav-menu a {
    color: var(--navy-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

.nav-menu a:hover {
    color: var(--gold-primary);
}

.btn-nav {
    background: var(--navy-primary);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: 2px;
    font-weight: 500;
}

.btn-nav:hover {
    background: var(--gold-primary);
}

.nav-toggle {
    display: none;
}

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

.hero {
    height: 85vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--navy-deep) 0%, var(--navy-primary) 100%);
    position: relative;
    overflow: hidden;
    margin-top: 90px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(184, 147, 109, 0.03) 70%);
    opacity: 0.6;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
}

.hero-title {
    font-size: 5rem;
    font-weight: 300;
    letter-spacing: 12px;
    margin-bottom: 30px;
    color: var(--white);
}

.hero-divider {
    width: 80px;
    height: 1px;
    background: var(--gold-primary);
    margin: 0 auto 30px;
}

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 300;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--gold-light);
    margin-bottom: 20px;
}

.hero-tagline {
    font-size: 1.125rem;
    font-family: var(--font-serif);
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
}

/* ============================================
   SECTIONS
   ============================================ */

section {
    padding: var(--section-padding) 0;
}

.section-title {
    font-size: 2.75rem;
    text-align: center;
    margin-bottom: 15px;
    font-weight: 300;
    letter-spacing: 2px;
}

.title-divider {
    width: 60px;
    height: 1px;
    background: var(--gold-primary);
    margin: 0 auto 50px;
}

.section-intro {
    text-align: center;
    font-size: 1.125rem;
    max-width: 800px;
    margin: 0 auto 60px;
    color: var(--gray-dark);
    line-height: 1.9;
}

/* ============================================
   INTRODUCTION SECTION
   ============================================ */

.intro-section {
    background: var(--cream);
}

.intro-content {
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
}

.intro-lead {
    font-size: 1.375rem;
    font-family: var(--font-serif);
    line-height: 1.8;
    margin-bottom: 40px;
    color: var(--navy-primary);
}

.intro-text {
    font-size: 1.0625rem;
    line-height: 2;
    margin-bottom: 25px;
    color: var(--gray-dark);
}

/* ============================================
   CABINET SECTION
   ============================================ */

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

.cabinet-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    margin-top: 60px;
}

.cabinet-philosophy h3,
.cabinet-values h3 {
    font-size: 1.75rem;
    margin-bottom: 30px;
    color: var(--navy-primary);
}

.cabinet-philosophy p {
    font-size: 1.0625rem;
    line-height: 2;
    margin-bottom: 20px;
    color: var(--gray-dark);
}

.value-item {
    display: flex;
    gap: 20px;
    margin-bottom: 35px;
}

.value-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--cream);
    border-radius: 50%;
}

.value-icon i {
    font-size: 1.375rem;
    color: var(--gold-primary);
}

.value-content h4 {
    font-size: 1.125rem;
    margin-bottom: 8px;
    color: var(--navy-primary);
}

.value-content p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--gray-dark);
}

/* ============================================
   FONDATEURS SECTION
   ============================================ */

.fondateurs-section {
    background: var(--cream);
}

.fondateurs-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 60px;
    margin: 60px 0;
}

.fondateur-card {
    background: var(--white);
    padding: 50px;
    border-radius: 0;
    border: 1px solid var(--gray-light);
}

.fondateur-header {
    display: flex;
    gap: 25px;
    align-items: center;
    margin-bottom: 35px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--gray-light);
}

.fondateur-initials {
    width: 80px;
    height: 80px;
    background: var(--navy-primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 300;
    font-family: var(--font-serif);
    letter-spacing: 2px;
}

.fondateur-info h3 {
    font-size: 2rem;
    margin-bottom: 5px;
    color: var(--navy-deep);
}

.fondateur-role {
    font-size: 1.0625rem;
    color: var(--gold-primary);
    font-weight: 500;
    letter-spacing: 0.5px;
}

.bio-intro {
    font-size: 1.125rem;
    line-height: 1.9;
    margin-bottom: 35px;
    color: var(--gray-dark);
    font-style: italic;
}

.credentials {
    margin-bottom: 35px;
}

.credentials h4 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    color: var(--navy-primary);
}

.credentials ul {
    list-style: none;
    padding: 0;
}

.credentials li {
    padding: 12px 0;
    padding-left: 25px;
    position: relative;
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-dark);
}

.credentials li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--gold-primary);
    font-weight: bold;
}

.credentials strong {
    color: var(--navy-primary);
    font-weight: 500;
}

.expertise-areas h4 {
    font-size: 1.25rem;
    margin-bottom: 20px;
    color: var(--navy-primary);
}

.expertise-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.expertise-tags span {
    padding: 8px 16px;
    background: var(--cream);
    color: var(--navy-primary);
    font-size: 0.875rem;
    font-weight: 500;
    border: 1px solid var(--gray-light);
    letter-spacing: 0.3px;
}

.complementarite {
    max-width: 800px;
    margin: 80px auto 0;
    text-align: center;
    padding: 50px;
    background: var(--white);
    border: 1px solid var(--gray-light);
}

.complementarite h3 {
    font-size: 1.75rem;
    margin-bottom: 25px;
    color: var(--navy-primary);
}

.complementarite p {
    font-size: 1.0625rem;
    line-height: 2;
    margin-bottom: 15px;
    color: var(--gray-dark);
}

/* ============================================
   EXPERTISE SECTION
   ============================================ */

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

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 60px;
}

.expertise-card {
    padding: 40px 30px;
    background: var(--cream);
    border-left: 2px solid var(--gold-primary);
    transition: all 0.3s;
}

.expertise-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(26, 38, 66, 0.08);
}

.expertise-number {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--gold-primary);
    opacity: 0.5;
    margin-bottom: 20px;
}

.expertise-card h3 {
    font-size: 1.375rem;
    margin-bottom: 15px;
    color: var(--navy-primary);
}

.expertise-card p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: var(--gray-dark);
}

/* ============================================
   CLIENTELE SECTION
   ============================================ */

.clientele-section {
    background: var(--cream);
}

.clientele-intro {
    max-width: 800px;
    margin: 0 auto 60px;
    text-align: center;
    font-size: 1.0625rem;
    line-height: 2;
    color: var(--gray-dark);
}

.clientele-types {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin: 60px 0;
}

.clientele-type {
    text-align: center;
    padding: 30px 20px;
}

.clientele-type i {
    font-size: 2.5rem;
    color: var(--gold-primary);
    margin-bottom: 20px;
}

.clientele-type h3 {
    font-size: 1.125rem;
    margin-bottom: 15px;
    color: var(--navy-primary);
}

.clientele-type p {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--gray-dark);
}

.clientele-criteres {
    max-width: 700px;
    margin: 60px auto 0;
    text-align: center;
    padding: 40px;
    background: var(--white);
    border: 1px solid var(--gray-light);
}

.clientele-criteres h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--navy-primary);
}

.clientele-criteres p {
    font-size: 1.0625rem;
    line-height: 1.9;
    margin-bottom: 15px;
    color: var(--gray-dark);
}

/* ============================================
   CONTACT SECTION
   ============================================ */

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

.contact-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    font-size: 1.0625rem;
    line-height: 2;
    margin-bottom: 40px;
    color: var(--gray-dark);
}

.contact-info {
    margin: 40px 0;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
    font-size: 1.125rem;
}

.contact-item i {
    color: var(--gold-primary);
    font-size: 1.5rem;
}

.contact-item a {
    color: var(--navy-primary);
    text-decoration: none;
    transition: color 0.3s;
}

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

.btn-primary {
    display: inline-block;
    padding: 16px 40px;
    background: var(--navy-primary);
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: 0.5px;
    transition: all 0.3s;
    margin: 30px 0;
}

.btn-primary:hover {
    background: var(--gold-primary);
}

.contact-note {
    font-size: 0.9375rem;
    color: var(--gray-medium);
    font-style: italic;
    margin-top: 30px;
}

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

.footer {
    background: var(--navy-deep);
    color: rgba(255, 255, 255, 0.8);
    padding: 60px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 60px;
    align-items: start;
}

/* Logo Footer - Conteneur Premium */
.footer-logo-container {
    display: inline-block;
    padding: 20px 25px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
    margin-bottom: 25px;
    transition: all 0.3s ease;
}

.footer-logo-container:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.2);
}

.footer-logo {
    display: block;
    height: 70px;
    width: auto;
    max-width: 220px;
    object-fit: contain;
    object-position: center;
    filter: brightness(1.1) contrast(1.05);
}

.footer-left p {
    font-size: 0.9375rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.7);
}

.footer-middle,
.footer-right {
    display: flex;
    flex-direction: column;
}

.footer-middle h4,
.footer-right h4 {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    margin-bottom: 20px;
    font-weight: 500;
    font-family: 'Cormorant Garamond', serif;
}

.footer-links {
    display: flex;
    gap: 30px;
    margin-bottom: 20px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.3s;
}

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

.footer-legal p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin-top: 10px;
}

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

@media (max-width: 992px) {
    :root {
        --section-padding: 80px;
    }
    
    .hero-title {
        font-size: 3.5rem;
    }
    
    .cabinet-grid,
    .fondateurs-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .expertise-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .clientele-types {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 2.5rem;
        letter-spacing: 6px;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .expertise-grid,
    .clientele-types {
        grid-template-columns: 1fr;
    }
    
    .fondateur-card {
        padding: 30px 25px;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: flex;
        flex-direction: column;
        gap: 5px;
        background: none;
        border: none;
        cursor: pointer;
    }
    
    .nav-toggle span {
        width: 25px;
        height: 2px;
        background: var(--navy-primary);
        transition: all 0.3s;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 15px;
    }
    
    /* Footer Logo - Responsive Mobile */
    .footer-logo-container {
        padding: 15px 20px;
        max-width: 100%;
    }
    
    .footer-logo {
        height: 55px;
        max-width: 180px;
    }
}