/* ==========================================================================
   DESIGN SYSTEM - MAISON RÊVE (Warm Alabaster, Midnight Navy, Brass Gold)
   ========================================================================== */

/* Typography & Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    /* Color Palette */
    --clr-bg: #FAF8F5;          /* Cream Alabaster */
    --clr-text: #222222;
    --clr-text-muted: #5A6570;  /* Slate Muted */
    --clr-primary: #121921;     /* Midnight Navy */
    --clr-primary-hover: #222C37;
    --clr-accent: #C4A470;      /* Brass Gold */
    --clr-accent-hover: #B3925F;
    --clr-accent-light: #F6F2EC;
    --clr-card-bg: #FFFFFF;
    --clr-border: #E9E3D9;      /* Warm Linen Border */
    --clr-footer-bg: #090D11;

    /* Fonts */
    --ff-title: 'Cormorant Garamond', Georgia, serif;
    --ff-body: 'Outfit', sans-serif;

    /* Transitions */
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;

    /* Shadows */
    --shadow-soft: 0 10px 30px rgba(18, 25, 33, 0.03);
    --shadow-medium: 0 15px 45px rgba(18, 25, 33, 0.06);

    /* Radius */
    --radius-small: 4px;
    --radius-medium: 8px;
    
    /* Container Width */
    --max-width: 1200px;
}

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

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

body {
    background-color: var(--clr-bg);
    color: var(--clr-text);
    font-family: var(--ff-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

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

.section {
    padding: 100px 0;
}

.section-white {
    background-color: #FFFFFF;
    border-top: 1px solid var(--clr-border);
    border-bottom: 1px solid var(--clr-border);
}

/* Typography & Titles */
h1, h2, h3, h4 {
    font-family: var(--ff-title);
    font-weight: 400;
    color: var(--clr-primary);
    line-height: 1.2;
}

h2 {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 60px;
    letter-spacing: 0.5px;
    position: relative;
}

h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 1px;
    background-color: var(--clr-accent);
    margin: 20px auto 0;
}

/* Badges & Buttons */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: transparent;
    color: var(--clr-accent);
    padding: 6px 16px;
    border-radius: 0;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 1px solid var(--clr-accent);
    margin-bottom: 25px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 34px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--radius-small);
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--clr-primary);
    color: #FFFFFF;
    border: 1px solid var(--clr-primary);
}

.btn-primary:hover {
    background-color: var(--clr-accent);
    border-color: var(--clr-accent);
    color: #FFFFFF;
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--clr-text);
    border: 1px solid var(--clr-primary);
}

.btn-secondary:hover {
    background-color: var(--clr-primary);
    color: #FFFFFF;
    transform: translateY(-1px);
}

.btn-accent {
    background-color: var(--clr-accent);
    color: #FFFFFF;
    border: 1px solid var(--clr-accent);
}

.btn-accent:hover {
    background-color: var(--clr-primary);
    border-color: var(--clr-primary);
    transform: translateY(-1px);
}

/* Header & Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--clr-border);
    transition: var(--transition-smooth);
}

header.scrolled {
    background-color: #FFFFFF;
    box-shadow: 0 10px 30px rgba(18, 25, 33, 0.04);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    transition: var(--transition-smooth);
}

header.scrolled nav {
    padding: 16px 0;
}

.logo {
    font-family: var(--ff-title);
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--clr-primary);
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.logo span {
    color: var(--clr-accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-links a {
    font-size: 0.85rem;
    font-weight: 550;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--clr-text-muted);
}

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

.btn-contact-header {
    border: 1px solid var(--clr-primary);
    background-color: transparent;
    color: var(--clr-primary);
    padding: 8px 24px;
}

.btn-contact-header:hover {
    background-color: var(--clr-primary);
    color: #FFFFFF;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 15px;
    cursor: pointer;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 1px;
    background-color: var(--clr-text);
    transition: var(--transition-smooth);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    padding: 180px 0 100px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #FAF8F5 0%, #EFECE7 50%, #E2DAD0 100%);
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(rgba(250, 248, 245, 0.75), rgba(250, 248, 245, 0.93)), url('../assets/hero_bg.png') no-repeat center center/cover;
    z-index: 2;
    animation: kenBurns 25s cubic-bezier(0.25, 0.46, 0.45, 0.94) infinite alternate;
}

.hero .container {
    position: relative;
    z-index: 3;
}

@keyframes kenBurns {
    0% {
        transform: scale(1);
    }
    100% {
        transform: scale(1.08);
    }
}

.hero-content {
    max-width: 650px;
}

.hero-content h1 {
    font-size: 4.6rem;
    margin-bottom: 25px;
    line-height: 1.1;
    color: var(--clr-primary);
}

.hero-content p {
    font-size: 1.25rem;
    font-weight: 300;
    color: var(--clr-text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-btns {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
}

/* Search Bar Engine Component */
.search-bar {
    background: #FFFFFF;
    padding: 20px 30px;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-small);
    box-shadow: var(--shadow-soft);
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 15px;
    align-items: center;
    margin-top: -40px;
    margin-bottom: 60px;
    position: relative;
    z-index: 10;
}

.search-field-group {
    display: flex;
    flex-direction: column;
}

.search-field-group label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--clr-text-muted);
    margin-bottom: 6px;
}

.search-bar input,
.search-bar select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--clr-border);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    font-family: var(--ff-body);
    font-size: 0.9rem;
    outline: none;
    border-radius: var(--radius-small);
    transition: var(--transition-fast);
}

.search-bar input:focus,
.search-bar select:focus {
    border-color: var(--clr-primary);
    background-color: #FFFFFF;
}

.btn-search {
    width: 100%;
    padding: 14px 0;
    margin-top: 18px;
}

/* Listings Showcase / Annonces Grid */
.annonces-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 35px;
}

.annonce-card {
    background-color: #FFFFFF;
    border: 1px solid var(--clr-border);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.annonce-card.hidden {
    display: none;
}

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

.annonce-img-box {
    aspect-ratio: 16/10;
    background-color: #F6F4F1;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.annonce-img-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.annonce-card:hover .annonce-img-box img {
    transform: scale(1.05);
}

/* Fallback SVG boxes */
.annonce-img-fallback {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, #FAF8F5, #EFECE7);
    display: flex;
    align-items: center;
    justify-content: center;
}

.annonce-img-fallback svg {
    width: 54px;
    height: 54px;
    fill: var(--clr-accent);
    opacity: 0.4;
}

.annonce-tag-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: var(--clr-primary);
    color: #FFFFFF;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 5px 12px;
    z-index: 2;
}

.annonce-card .info {
    padding: 25px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.annonce-card .info .city {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--clr-accent);
    margin-bottom: 6px;
}

.annonce-card .info h3 {
    font-size: 1.4rem;
    color: var(--clr-primary);
    margin-bottom: 10px;
}

.annonce-card .info .price {
    font-family: var(--ff-title);
    font-size: 2rem;
    color: var(--clr-primary);
    font-weight: 500;
    margin-bottom: 12px;
}

.annonce-card .info .details {
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    line-height: 1.6;
    margin-bottom: 25px;
    flex-grow: 1;
}

.btn-view-annonce {
    width: 100%;
}

/* Interactive Estimation Stepper Section */
.estimation-stepper-box {
    background-color: #FFFFFF;
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow-medium);
    border-radius: var(--radius-small);
    overflow: hidden;
}

.stepper-header {
    background-color: var(--clr-primary);
    color: #FFFFFF;
    padding: 30px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.stepper-header h3 {
    color: #FFFFFF;
    font-size: 1.8rem;
    margin: 0;
}

/* Step list progress indicators */
.stepper-steps-indicators {
    display: flex;
    gap: 15px;
}

.step-indicator {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: rgba(255, 255, 255, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    background-color: transparent;
    transition: var(--transition-fast);
}

.step-indicator.active {
    border-color: var(--clr-accent);
    color: var(--clr-primary);
    background-color: var(--clr-accent);
}

.step-indicator.completed {
    border-color: var(--clr-accent);
    color: var(--clr-accent);
    background-color: transparent;
}

.stepper-panels {
    padding: 50px;
    min-height: 360px;
}

.stepper-panel {
    display: none;
}

.stepper-panel.active {
    display: block;
    animation: fadeInStep 0.4s ease-out;
}

@keyframes fadeInStep {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.stepper-panel h4 {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.stepper-panel .step-intro {
    font-size: 0.95rem;
    color: var(--clr-text-muted);
    margin-bottom: 35px;
}

/* Stepper Selection cards */
.stepper-grid-select {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 35px;
}

.step-card {
    border: 1px solid var(--clr-border);
    padding: 30px 20px;
    text-align: center;
    cursor: pointer;
    border-radius: var(--radius-small);
    transition: var(--transition-fast);
}

.step-card:hover {
    border-color: var(--clr-primary);
}

.step-card.selected {
    border-color: var(--clr-accent);
    background-color: var(--clr-accent-light);
}

.step-card .icon {
    font-size: 2.2rem;
    margin-bottom: 12px;
    display: block;
}

.step-card h5 {
    font-family: var(--ff-body);
    font-weight: 600;
    font-size: 1rem;
}

/* Range input controls for Stepper */
.stepper-range-box {
    margin-bottom: 40px;
}

.stepper-range-box label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
    color: var(--clr-primary);
}

.stepper-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--clr-border);
    outline: none;
    border-radius: 3px;
    margin-bottom: 15px;
}

.stepper-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--clr-primary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.stepper-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
    background: var(--clr-accent);
}

.stepper-range-values {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--clr-text-muted);
}

.stepper-bubble-val {
    text-align: center;
    font-family: var(--ff-title);
    font-size: 2.5rem;
    color: var(--clr-primary);
    margin-top: -10px;
    margin-bottom: 30px;
}

.rooms-selector-group {
    display: flex;
    gap: 12px;
    margin-bottom: 40px;
}

.room-btn {
    flex-grow: 1;
    padding: 12px 0;
    border: 1px solid var(--clr-border);
    background: #FFFFFF;
    font-family: var(--ff-body);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    border-radius: var(--radius-small);
    transition: var(--transition-fast);
}

.room-btn:hover {
    border-color: var(--clr-primary);
}

.room-btn.selected {
    border-color: var(--clr-accent);
    background-color: var(--clr-accent-light);
}

/* Local input group */
.local-input-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 40px;
}

@media (max-width: 600px) {
    .local-input-container {
        grid-template-columns: 1fr;
    }
}

.local-input-container input,
.local-input-container select {
    padding: 14px 18px;
    border: 1px solid var(--clr-border);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    font-family: var(--ff-body);
    font-size: 0.95rem;
    outline: none;
    border-radius: var(--radius-small);
}

.local-input-container input:focus,
.local-input-container select:focus {
    border-color: var(--clr-primary);
    background-color: #FFFFFF;
}

/* Stepper Result Box */
.stepper-result-container {
    text-align: center;
    padding: 30px 0;
}

.result-price-range {
    font-family: var(--ff-title);
    font-size: 3.6rem;
    color: var(--clr-accent-hover);
    font-weight: 500;
    margin: 20px 0 25px;
    letter-spacing: 0.5px;
}

.stepper-nav-footer {
    display: flex;
    justify-content: space-between;
    padding-top: 30px;
    border-top: 1px solid var(--clr-border);
}

/* Property Detail Drawer Panel */
.drawer-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(9, 13, 17, 0.4);
    z-index: 1500;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-smooth);
}

.drawer-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.detail-drawer {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    max-width: 540px;
    background-color: #FFFFFF;
    z-index: 1600;
    box-shadow: -15px 0 45px rgba(9, 13, 17, 0.15);
    transform: translateX(100%);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.detail-drawer.active {
    transform: translateX(0);
}

.detail-drawer-header {
    padding: 30px;
    border-bottom: 1px solid var(--clr-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.detail-drawer-header h3 {
    font-size: 1.8rem;
    color: var(--clr-primary);
}

.detail-drawer-close {
    background: none;
    border: none;
    font-size: 2.2rem;
    cursor: pointer;
    line-height: 1;
    color: var(--clr-text-muted);
}

.detail-drawer-close:hover {
    color: var(--clr-accent);
}

.detail-drawer-body {
    flex-grow: 1;
    overflow-y: auto;
    padding: 30px;
}

.drawer-media-box {
    aspect-ratio: 16/10;
    background-color: var(--clr-bg);
    border: 1px solid var(--clr-border);
    margin-bottom: 25px;
    overflow: hidden;
}

.drawer-media-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.drawer-title-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 15px;
}

.drawer-price {
    font-family: var(--ff-title);
    font-size: 2.2rem;
    color: var(--clr-primary);
    font-weight: 500;
}

.drawer-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    margin-bottom: 30px;
    background-color: var(--clr-bg);
    border: 1px solid var(--clr-border);
    padding: 20px;
}

.tech-item {
    text-align: center;
}

.tech-item span {
    display: block;
}

.tech-item .label {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--clr-text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}

.tech-item .value {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--clr-primary);
}

.drawer-section-title {
    font-family: var(--ff-body);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--clr-primary);
    margin-bottom: 15px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--clr-border);
}

/* Diagnostic DPE Color Scale Component */
.dpe-scale-box {
    margin-bottom: 35px;
}

.dpe-scale {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: 15px;
}

.dpe-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 15px;
    color: #FFFFFF;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 2px;
    opacity: 0.5;
    transition: var(--transition-smooth);
}

.dpe-bar.active {
    opacity: 1;
    box-shadow: 0 0 0 2px var(--clr-primary);
    transform: scale(1.02);
}

.dpe-a { background-color: #009E79; width: 40%; }
.dpe-b { background-color: #2ECC71; width: 50%; }
.dpe-c { background-color: #F1C40F; width: 60%; color: #000; }
.dpe-d { background-color: #E67E22; width: 70%; }
.dpe-e { background-color: #E74C3C; width: 80%; }
.dpe-f { background-color: #962D22; width: 90%; }
.dpe-g { background-color: #6D1E16; width: 100%; }

.detail-drawer-footer {
    border-top: 1px solid var(--clr-border);
    padding: 30px;
    background-color: var(--clr-bg);
}

.detail-drawer-footer form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-drawer-footer input {
    padding: 12px 16px;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-small);
    font-family: var(--ff-body);
    font-size: 0.9rem;
    outline: none;
}

.detail-drawer-footer input:focus {
    border-color: var(--clr-primary);
}

.btn-book-visit {
    width: 100%;
}

/* Contact Section & Form */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-info h3 {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.contact-info p {
    color: var(--clr-text-muted);
    font-size: 1.05rem;
    margin-bottom: 25px;
    line-height: 1.7;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 30px;
}

.detail-item {
    display: flex;
    gap: 15px;
    align-items: flex-start;
}

.detail-item .icon-box {
    width: 44px;
    height: 44px;
    border: 1px solid var(--clr-border);
    background-color: var(--clr-accent-light);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.detail-item .icon-box svg {
    width: 18px;
    height: 18px;
    fill: var(--clr-accent);
}

.detail-text h5 {
    font-family: var(--ff-body);
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.detail-text p {
    font-size: 0.9rem;
    margin: 0;
}

.contact-form {
    background-color: #FFFFFF;
    border: 1px solid var(--clr-border);
    padding: 45px;
    box-shadow: var(--shadow-soft);
    border-radius: var(--radius-small);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    margin-bottom: 20px;
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-small);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    font-family: var(--ff-body);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    border-color: var(--clr-primary);
    background-color: #FFFFFF;
}

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

/* Footer Section */
footer {
    background-color: var(--clr-footer-bg);
    color: rgba(255, 255, 255, 0.4);
    padding: 90px 0 35px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: #FFFFFF;
    margin-bottom: 20px;
    display: inline-block;
}

.footer-brand p {
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 30px;
}

.footer-socials {
    display: flex;
    gap: 15px;
}

.footer-socials a {
    width: 38px;
    height: 38px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FFFFFF;
    transition: var(--transition-smooth);
}

.footer-socials a:hover {
    background-color: var(--clr-accent);
    border-color: var(--clr-accent);
    transform: translateY(-2px);
}

.footer-socials a svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.footer-links h5,
.footer-contact h5 {
    color: #FFFFFF;
    font-size: 1.05rem;
    margin-bottom: 25px;
    position: relative;
    display: inline-block;
    font-family: var(--ff-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links h5::after,
.footer-contact h5::after {
    content: '';
    display: block;
    width: 20px;
    height: 1px;
    background-color: var(--clr-accent);
    margin-top: 8px;
}

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

.footer-links a {
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--clr-accent);
    padding-left: 6px;
}

.footer-contact-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.95rem;
}

.footer-contact-item svg {
    width: 16px;
    height: 16px;
    fill: var(--clr-accent);
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 35px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.8rem;
}

.footer-bottom a:hover {
    color: var(--clr-accent);
}

/* Responsive Styles */
@media (max-width: 992px) {
    html {
        font-size: 15px;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }

    .search-bar {
        grid-template-columns: 1fr 1fr;
    }

    .btn-search {
        margin-top: 0;
    }

    .estimator-container,
    .estimation-stepper-box,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

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

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--clr-bg);
        flex-direction: column;
        padding: 30px 24px;
        gap: 20px;
        border-bottom: 1px solid var(--clr-border);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.03);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links a {
        width: 100%;
        text-align: center;
        padding: 12px 0;
        border-bottom: 1px solid var(--clr-border);
    }

    .btn-contact-header {
        margin-top: 10px;
        width: 100%;
        justify-content: center;
    }

    .hero {
        text-align: center;
        padding-top: 140px;
    }

    .hero-content {
        margin: 0 auto;
    }

    .hero-btns {
        justify-content: center;
    }

    .search-bar {
        grid-template-columns: 1fr;
        padding: 20px;
    }

    .stepper-panels {
        padding: 30px 20px;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 2.8rem;
    }

    .btn {
        width: 100%;
    }
}

/* ==========================================================================
   ANIMATIONS & PREMIUM ENHANCEMENTS
   ========================================================================== */

/* Logo spin micro-interaction */
.logo span {
    display: inline-block;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}
.logo:hover span {
    transform: rotate(180deg);
}

/* Button micro-interactions */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}
.btn:active {
    transform: scale(0.98) translateY(0);
}

/* Annonce card shadow and overlay improvements */
.annonce-img-box::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(18, 25, 33, 0) 50%, rgba(18, 25, 33, 0.25) 100%);
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 1;
}
.annonce-card:hover .annonce-img-box::after {
    opacity: 1;
}

/* Custom Scroll Reveal System */
.reveal {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Detail Drawer Staggered Elements Reveal */
.detail-drawer-body > * {
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.detail-drawer.active .detail-drawer-body > * {
    opacity: 1;
    transform: translateY(0);
}

.detail-drawer.active .detail-drawer-body > *:nth-child(1) { transition-delay: 0.1s; }
.detail-drawer.active .detail-drawer-body > *:nth-child(2) { transition-delay: 0.18s; }
.detail-drawer.active .detail-drawer-body > *:nth-child(3) { transition-delay: 0.26s; }
.detail-drawer.active .detail-drawer-body > *:nth-child(4) { transition-delay: 0.34s; }
.detail-drawer.active .detail-drawer-body > *:nth-child(5) { transition-delay: 0.42s; }
.detail-drawer.active .detail-drawer-body > *:nth-child(6) { transition-delay: 0.5s; }

/* Stepper transition panels layout override for smoother flow */
.stepper-panel {
    transition: opacity 0.4s ease, transform 0.4s ease;
}