/* Artistic Design System - ExpertVal Immobilier */

/* ===========================
   CSS Variables
   =========================== */
:root {
    /* Colors - Earthy Professional Palette */
    --color-primary: #2C5F4F;
    --color-secondary: #8B7355;
    --color-accent: #D4A574;
    --color-neutral-light: #F5F1ED;
    --color-neutral-medium: #9E8B7E;
    --color-background: #FDFCFB;
    --color-text: #2D3436;
    --color-secondary-light: #C9B8A8;
    --color-white: #ffffff;

    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Poppins', sans-serif;
    --font-artistic: 'Quicksand', sans-serif;

    /* Spacing */
    --space-xs: 8px;
    --space-s: 16px;
    --space-m: 24px;
    --space-l: 48px;
    --space-xl: 96px;

    /* Artistic Elements - Blob Shapes */
    --blob-1: 30% 70% 70% 30% / 30% 30% 70% 70%;
    --blob-2: 60% 40% 30% 70% / 60% 30% 70% 40%;
    --blob-3: 40% 60% 60% 40% / 50% 60% 40% 50%;

    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 10px 40px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.15);
}

/* ===========================
   Base Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.artistic-body {
    position: relative;
}

/* ===========================
   Typography
   =========================== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-m);
    color: var(--color-primary);
}

h1 {
    font-size: clamp(36px, 5vw, 72px);
}

h2 {
    font-size: clamp(32px, 4vw, 56px);
}

h3 {
    font-size: clamp(24px, 3vw, 36px);
}

h4 {
    font-size: clamp(20px, 2.5vw, 28px);
}

p {
    margin-bottom: var(--space-s);
}

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

a:hover {
    color: var(--color-accent);
}

/* ===========================
   Container & Layout
   =========================== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-m);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--space-l);
    }
}

/* Background Blobs */
.bg-blob {
    position: fixed;
    background: var(--color-accent);
    opacity: 0.06;
    filter: blur(80px);
    z-index: -1;
    animation: float 20s ease-in-out infinite;
}

.blob-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -200px;
    border-radius: var(--blob-1);
    animation-delay: 0s;
}

.blob-2 {
    width: 500px;
    height: 500px;
    bottom: -150px;
    left: -150px;
    border-radius: var(--blob-2);
    animation-delay: 5s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    33% {
        transform: translate(30px, -30px) rotate(5deg);
    }
    66% {
        transform: translate(-20px, 20px) rotate(-5deg);
    }
}

/* ===========================
   Header & Navigation
   =========================== */
.artistic-header {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: var(--space-s) 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--space-m);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-artistic {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-serif);
    transition: var(--transition-smooth);
}

.logo-icon {
    color: var(--color-primary);
    transition: var(--transition-smooth);
}

.logo-artistic:hover .logo-icon {
    transform: scale(1.1) rotate(5deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-main {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.logo-sub {
    font-size: 12px;
    font-weight: 400;
    color: var(--color-secondary);
    font-family: var(--font-sans);
}

.main-nav {
    display: none;
    align-items: center;
    gap: var(--space-m);
}

@media (min-width: 1024px) {
    .main-nav {
        display: flex;
    }
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--color-text);
    padding: 8px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width 0.3s ease;
}

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

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}

@media (min-width: 1024px) {
    .mobile-menu-toggle {
        display: none;
    }
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 3px;
    transition: var(--transition-smooth);
}

.mobile-menu-toggle:hover span {
    background: var(--color-accent);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: white;
    padding: var(--space-m);
    box-shadow: var(--shadow-md);
    max-height: calc(100vh - 70px);
    overflow-y: auto;
}

.mobile-menu.active {
    display: block;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: var(--space-s);
}

.mobile-nav-link {
    padding: 12px;
    border-radius: 12px;
    font-weight: 500;
    color: var(--color-text);
    transition: var(--transition-smooth);
}

.mobile-nav-link:hover {
    background: var(--color-neutral-light);
}

.mobile-nav-cta {
    background: var(--color-primary);
    color: white !important;
    display: flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

/* ===========================
   Buttons
   =========================== */
.btn-primary-artistic {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: var(--color-primary);
    color: white !important;
    border: none;
    border-radius: 50px;
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary-artistic::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary-artistic:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary-artistic:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(44, 95, 79, 0.3);
}

.btn-secondary-artistic {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 28px;
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    border-radius: 50px;
    font-family: var(--font-sans);
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-secondary-artistic:hover {
    background: var(--color-primary);
    color: white;
    transform: translateY(-2px);
}

/* ===========================
   Forms
   =========================== */
.artistic-form {
    background: white;
    padding: var(--space-l);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
}

.form-header {
    text-align: center;
    margin-bottom: var(--space-l);
}

.form-title {
    font-size: clamp(28px, 4vw, 42px);
    margin-bottom: var(--space-s);
}

.form-subtitle {
    color: var(--color-secondary);
    font-size: 18px;
}

.form-section {
    margin-bottom: var(--space-l);
}

.section-title {
    font-size: 20px;
    margin-bottom: var(--space-m);
    color: var(--color-primary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-m);
    margin-bottom: var(--space-m);
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

.form-group {
    position: relative;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--color-text);
    font-size: 14px;
}

.form-label i {
    color: var(--color-accent);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 14px 18px;
    background: var(--color-neutral-light);
    border: 2px solid transparent;
    border-radius: 12px;
    font-family: inherit;
    font-size: 15px;
    transition: var(--transition-smooth);
    color: var(--color-text);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-accent);
    background: white;
    box-shadow: 0 0 0 4px rgba(212, 165, 116, 0.1);
}

.form-textarea {
    resize: vertical;
    min-height: 120px;
}

.form-underline {
    display: block;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    margin-top: -2px;
    border-radius: 2px;
}

.form-input:focus ~ .form-underline,
.form-textarea:focus ~ .form-underline,
.form-select:focus ~ .form-underline {
    transform: scaleX(1);
}

/* Checkbox Styling */
.checkbox-group {
    margin: var(--space-m) 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    user-select: none;
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkbox-custom {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    border: 2px solid var(--color-neutral-medium);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    background: white;
}

.checkbox-custom i {
    color: white;
    font-size: 14px;
    opacity: 0;
    transform: scale(0);
    transition: var(--transition-bounce);
}

.checkbox-label input[type="checkbox"]:checked ~ .checkbox-custom {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"]:checked ~ .checkbox-custom i {
    opacity: 1;
    transform: scale(1);
}

.checkbox-text {
    font-size: 14px;
    line-height: 1.6;
}

.checkbox-text a {
    color: var(--color-accent);
    text-decoration: underline;
}

/* Form Actions */
.form-actions {
    display: flex;
    justify-content: center;
    margin-top: var(--space-l);
}

.submit-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border: none;
    border-radius: 50px;
    font-family: var(--font-sans);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.submit-btn:hover::before {
    width: 400px;
    height: 400px;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(44, 95, 79, 0.4);
}

.form-notice {
    text-align: center;
    margin-top: var(--space-m);
    color: var(--color-secondary);
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.form-notice i {
    color: var(--color-accent);
}

/* ===========================
   Service Cards
   =========================== */
.service-card {
    position: relative;
    background: white;
    padding: var(--space-l);
    border-radius: 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-m);
}

.service-icon i {
    font-size: 36px;
    color: var(--color-primary);
    z-index: 2;
    position: relative;
}

.service-icon .icon-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--color-accent);
    opacity: 0.15;
    border-radius: var(--blob-3);
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon .icon-bg {
    transform: scale(1.2) rotate(10deg);
    opacity: 0.25;
}

.service-title {
    font-size: 24px;
    margin-bottom: var(--space-s);
    color: var(--color-primary);
}

.service-description {
    color: var(--color-text);
    margin-bottom: var(--space-m);
    line-height: 1.7;
}

.service-features {
    list-style: none;
    margin-bottom: var(--space-m);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 15px;
}

.service-features i {
    color: var(--color-accent);
    font-size: 16px;
}

.service-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-m);
    border-top: 1px solid var(--color-neutral-light);
}

.service-price {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--color-primary);
}

.service-link {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-accent);
    font-weight: 500;
    transition: var(--transition-smooth);
}

.service-link:hover {
    gap: 12px;
}

.card-blob {
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 150px;
    height: 150px;
    background: var(--color-accent);
    opacity: 0.05;
    border-radius: var(--blob-1);
    pointer-events: none;
}

/* ===========================
   Footer
   =========================== */
.artistic-footer {
    background: var(--color-primary);
    color: white;
    position: relative;
    margin-top: var(--space-xl);
}

.footer-wave {
    position: absolute;
    top: -1px;
    left: 0;
    width: 100%;
}

.footer-wave svg {
    display: block;
    width: 100%;
    height: 80px;
    color: var(--color-primary);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-m) var(--space-l);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-l);
    margin-bottom: var(--space-l);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1.5fr;
    }
}

.footer-column {
    color: rgba(255, 255, 255, 0.9);
}

.footer-title {
    font-size: 24px;
    color: white;
    margin-bottom: var(--space-s);
}

.column-title {
    font-size: 18px;
    color: white;
    margin-bottom: var(--space-m);
    font-family: var(--font-serif);
}

.footer-description {
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: var(--space-m);
    color: rgba(255, 255, 255, 0.8);
}

.footer-certifications {
    display: flex;
    gap: 12px;
}

.cert-badge {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    transition: var(--transition-smooth);
}

.cert-badge:hover {
    background: var(--color-accent);
    transform: translateY(-3px);
}

.footer-nav {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.8);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    transition: var(--transition-smooth);
}

.footer-nav a:hover {
    color: var(--color-accent);
    transform: translateX(5px);
}

.footer-nav i {
    font-size: 10px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: var(--space-s);
}

.contact-item {
    display: flex;
    gap: 12px;
    font-size: 14px;
}

.contact-item i {
    color: var(--color-accent);
    font-size: 16px;
    margin-top: 3px;
    flex-shrink: 0;
}

.contact-item a {
    color: rgba(255, 255, 255, 0.9);
}

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

.contact-item small {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 12px;
}

/* Footer Legal */
.footer-legal {
    padding-top: var(--space-l);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.legal-info {
    margin-bottom: var(--space-m);
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
}

.legal-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-s);
    margin-bottom: var(--space-m);
}

.legal-links a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 13px;
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.legal-links a:hover {
    color: var(--color-accent);
    background: rgba(255, 255, 255, 0.05);
}

.footer-copyright {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.6);
}

.footer-illustration {
    position: absolute;
    bottom: 20px;
    right: 20px;
    opacity: 0.05;
    pointer-events: none;
}

.footer-building-svg {
    width: 200px;
    height: 200px;
    color: white;
}

/* ===========================
   Utility Classes
   =========================== */
.text-center {
    text-align: center;
}

.mb-0 {
    margin-bottom: 0;
}

.mt-xl {
    margin-top: var(--space-xl);
}

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

@media (max-width: 767px) {
    .section-spacing {
        padding: var(--space-l) 0;
    }
}

/* ===========================
   FAQ Accordion
   =========================== */
.faq-item {
    margin-bottom: var(--space-s);
}

.faq-question {
    background: white;
    padding: var(--space-m);
    border-radius: 12px;
    cursor: pointer;
    margin-bottom: var(--space-s);
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-smooth);
}

.faq-question:hover {
    background: var(--color-neutral-light);
    transform: translateX(5px);
}

.faq-question h4 {
    margin: 0;
    color: var(--color-primary);
    font-size: 18px;
    font-weight: 600;
}

.faq-question i {
    color: var(--color-accent);
    transition: var(--transition-smooth);
    flex-shrink: 0;
    margin-left: var(--space-s);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer > div {
    background: white;
    padding: 0 var(--space-m) var(--space-m);
    border-radius: 0 0 12px 12px;
    margin-top: -var(--space-s);
    padding-top: var(--space-s);
}

.faq-answer p {
    color: var(--color-text);
    line-height: 1.8;
    font-size: 15px;
}

/* ===========================
   Process Cards Enhancement
   =========================== */
.process-number {
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    margin: 0 auto var(--space-s);
    position: relative;
    box-shadow: 0 4px 15px rgba(44, 95, 79, 0.3);
}

.process-number::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 80px;
    border: 2px dashed var(--color-accent);
    border-radius: 50%;
    opacity: 0.3;
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ===========================
   Responsive
   =========================== */
@media (max-width: 767px) {
    :root {
        --space-l: 32px;
        --space-xl: 64px;
    }

    .artistic-form {
        padding: var(--space-m);
    }

    .service-card {
        padding: var(--space-m);
    }
}