/* ==========================================================================
   Drone41.fr Premium CSS Design System
   ========================================================================== */

/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Outfit:wght@300;400;500;600;700;900&display=swap');

:root {
    /* Fonts */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* Transition system */
    --transition-smooth: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    --transition-fast: all 0.15s ease-out;

    /* Sizing tokens */
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-full: 9999px;
    --container-width: 1200px;
    
    /* Theme: Dark Mode (Default) */
    --bg-primary: #080c14;
    --bg-secondary: #101622;
    --bg-tertiary: #161f30;
    --bg-glass: rgba(16, 22, 34, 0.75);
    --border-color: rgba(255, 255, 255, 0.07);
    --border-hover: rgba(16, 185, 129, 0.3);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #10b981; /* Emerald Green */
    --accent-secondary: #059669;
    --accent-glow: rgba(16, 185, 129, 0.15);
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 20px rgba(16, 185, 129, 0.25);
}

/* Theme Override: Light Mode */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --bg-glass: rgba(255, 255, 255, 0.8);
    --border-color: rgba(0, 0, 0, 0.08);
    --border-hover: rgba(16, 185, 129, 0.4);
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    
    --accent-primary: #059669;
    --accent-secondary: #047857;
    --accent-glow: rgba(5, 150, 105, 0.1);
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-glow: 0 0 15px rgba(5, 150, 105, 0.15);
}

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

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* App Wrapper */
.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header & Floating Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 1.25rem 2rem;
    transition: var(--transition-smooth);
}

.header.scrolled {
    padding: 0.75rem 2rem;
    background-color: var(--bg-glass);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

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

/* Logo */
.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    width: 42px;
    height: 42px;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-glow);
    color: #ffffff;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
    letter-spacing: -0.5px;
    background: linear-gradient(to right, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-slogan {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-secondary);
    font-weight: 600;
    margin-top: -3px;
}

/* Navigation Links */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition-fast);
    position: relative;
    padding: 0.5rem 0;
}

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

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

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

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

/* Action Center (CTA, Theme, Mobile Toggle) */
.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 40px;
    height: 40px;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.theme-toggle-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background-color: var(--accent-glow);
}

.btn-cta {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #ffffff !important;
    border: none;
    padding: 0.6rem 1.25rem;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: var(--border-radius-full);
    text-decoration: none;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Mobile Toggle */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 32px;
    height: 32px;
    flex-direction: column;
    justify-content: space-around;
    padding: 4px;
}

.mobile-nav-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: var(--transition-fast);
}

/* Main Content Wrapper */
.main-content {
    flex-grow: 1;
    margin-top: 80px; /* Offset for floating header */
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 6rem 2rem;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0.15;
    background: radial-gradient(circle at 70% 30%, var(--accent-glow), transparent 60%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--border-color) 1px, transparent 1px);
    background-size: 24px 24px;
    z-index: -2;
}

.hero-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-text-content {
    animation: fadeInUp 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--accent-glow);
    border: 1px solid var(--accent-primary);
    color: var(--accent-primary);
    padding: 0.35rem 1rem;
    border-radius: var(--border-radius-full);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 3.5rem;
    line-height: 1.15;
    letter-spacing: -1.5px;
    margin-bottom: 1.5rem;
}

.hero-title span {
    background: linear-gradient(135deg, var(--accent-primary) 0%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 580px;
}

.hero-actions {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 3.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #ffffff;
    border: none;
    padding: 0.9rem 2rem;
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.btn-secondary {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 0.9rem 2rem;
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.btn-secondary:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background-color: var(--accent-glow);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.stat-item h4 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 900;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-item p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Hero Media Display */
.hero-media-wrapper {
    position: relative;
    width: 100%;
    height: 480px;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background-color: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: scaleIn 0.8s ease-out;
}

.hero-media-wrapper::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(from 0deg at 50% 50%, transparent 0deg, var(--accent-primary) 180deg, transparent 360deg);
    animation: rotateGlow 8s linear infinite;
    z-index: 1;
    opacity: 0.4;
}

.hero-media-content {
    position: absolute;
    top: 3px;
    left: 3px;
    right: 3px;
    bottom: 3px;
    background-color: var(--bg-primary);
    border-radius: calc(var(--border-radius-lg) - 3px);
    overflow: hidden;
    z-index: 2;
}

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

.hero-media-img:hover {
    transform: scale(1.05);
}

.hero-media-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 2rem;
    background: linear-gradient(to top, rgba(8, 12, 20, 0.95) 0%, rgba(8, 12, 20, 0) 100%);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.hero-media-overlay h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    color: #ffffff;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

.hero-media-overlay p {
    font-size: 0.85rem;
    color: #cbd5e1;
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.4);
}

/* Sections Base Styling */
.section {
    padding: 6rem 2rem;
    background-color: var(--bg-primary);
}

.section-alt {
    padding: 6rem 2rem;
    background-color: var(--bg-secondary);
}

.section-container {
    max-width: var(--container-width);
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 4.5rem auto;
}

.section-subtitle {
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--accent-primary);
    margin-bottom: 0.75rem;
    display: block;
}

.section-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 2.5rem;
    letter-spacing: -1px;
    margin-bottom: 1.25rem;
}

.section-description {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Grid Layouts */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.25rem;
}

.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

/* Card Styling */
.card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.card:hover::before {
    transform: scaleX(1);
}

.card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: var(--border-radius-sm);
    background-color: var(--accent-glow);
    color: var(--accent-primary);
    margin-bottom: 1.75rem;
    font-size: 1.5rem;
}

.card-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.card-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.card-link {
    color: var(--accent-primary);
    font-weight: 700;
    text-decoration: none;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition-fast);
}

.card-link:hover {
    color: var(--text-primary);
    gap: 0.75rem;
}

/* Dynamic Prestations Pages (Routed components) */
.prestation-header {
    background: linear-gradient(to bottom, var(--bg-secondary), var(--bg-primary));
    padding: 4rem 2rem;
    border-bottom: 1px solid var(--border-color);
}

.prestation-content {
    max-width: var(--container-width);
    margin: 4rem auto;
    padding: 0 2rem;
}

/* Gallery and Category Switcher */
.gallery-filter-tabs {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    list-style: none;
}

.filter-tab-btn {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 0.6rem 1.5rem;
    font-weight: 600;
    font-size: 0.9rem;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: var(--transition-fast);
}

.filter-tab-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.filter-tab-btn.active {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #ffffff;
    border-color: transparent;
    box-shadow: var(--shadow-sm);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
    cursor: pointer;
    height: 250px;
    background-color: var(--bg-secondary);
    transition: var(--transition-smooth);
    animation: fadeIn 0.5s ease;
}

.gallery-item.hidden {
    display: none;
}

.gallery-item:hover {
    transform: scale(1.02);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-md);
}

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

.gallery-item:hover .gallery-img {
    transform: scale(1.08);
}

.gallery-info-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(8, 12, 20, 0.9) 0%, rgba(8, 12, 20, 0.3) 50%, rgba(8, 12, 20, 0) 100%);
    opacity: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 1.5rem;
    transition: var(--transition-fast);
}

.gallery-item:hover .gallery-info-overlay {
    opacity: 1;
}

.gallery-tag {
    align-self: flex-start;
    background-color: var(--accent-primary);
    color: #ffffff;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    padding: 0.25rem 0.6rem;
    border-radius: var(--border-radius-full);
    margin-bottom: 0.5rem;
}

.gallery-item-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: #ffffff;
}

/* Lightbox Modal */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(8, 12, 20, 0.95);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.lightbox-modal.active {
    display: flex;
    opacity: 1;
}

.lightbox-content {
    position: relative;
    max-width: 90%;
    max-height: 80%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.lightbox-img {
    max-width: 100%;
    max-height: 70vh;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-caption {
    margin-top: 1.5rem;
    color: #ffffff;
    font-weight: 600;
    text-align: center;
    font-size: 1.1rem;
}

.lightbox-close-btn {
    position: absolute;
    top: -40px;
    right: 0;
    background: none;
    border: none;
    color: #ffffff;
    font-size: 2rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lightbox-close-btn:hover {
    color: var(--accent-primary);
}

.lightbox-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #ffffff;
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.lightbox-arrow:hover {
    background-color: var(--accent-primary);
    border-color: transparent;
}

.lightbox-arrow-left {
    left: -70px;
}

.lightbox-arrow-right {
    right: -70px;
}

/* Calculator Styles */
.calculator-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    box-shadow: var(--shadow-lg);
}

.calculator-body {
    padding: 2.25rem 2.5rem;
}

.calculator-summary {
    background-color: var(--bg-tertiary);
    border-left: 1px solid var(--border-color);
    padding: 2.25rem 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 1.5rem;
}

.calculator-step {
    margin-bottom: 1.5rem;
}

.calculator-step:last-child {
    margin-bottom: 0;
}

.calculator-step-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.calculator-step-num {
    background-color: var(--accent-glow);
    color: var(--accent-primary);
    width: 24px;
    height: 24px;
    border-radius: var(--border-radius-full);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 800;
}

.calc-grid-select {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.calc-grid-option {
    border: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    padding: 1.25rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    text-align: center;
    transition: var(--transition-fast);
}

.calc-grid-option:hover {
    border-color: var(--accent-primary);
}

.calc-grid-option.active {
    border-color: var(--accent-primary);
    background-color: var(--accent-glow);
}

.calc-option-title {
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    color: var(--text-primary);
}

.calc-option-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.calc-options-container {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.calc-option-checkbox {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border: 1px solid var(--border-color);
    padding: 1rem 1.25rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    background-color: var(--bg-primary);
    transition: var(--transition-fast);
}

.calc-option-checkbox:hover {
    border-color: var(--accent-primary);
}

.calc-option-checkbox.active {
    border-color: var(--accent-primary);
    background-color: var(--accent-glow);
}

.calc-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    font-size: 0.95rem;
}

.calc-checkbox-price {
    font-weight: 700;
    color: var(--accent-primary);
}

/* Pricing summary details */
.summary-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.summary-title {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.5rem;
}

.summary-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.summary-item-value {
    font-weight: 600;
    color: var(--text-primary);
}

.summary-total {
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
}

.summary-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.summary-total-label {
    font-weight: 700;
    font-size: 1.1rem;
}

.summary-total-price {
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 2.2rem;
    color: var(--accent-primary);
}

/* Zone Checker */
.checker-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
}

.checker-form-row {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.checker-input {
    flex-grow: 1;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 0.9rem 1.5rem;
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.checker-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.checker-btn {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #ffffff;
    border: none;
    padding: 0.9rem 2.25rem;
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.checker-result-box {
    border-radius: var(--border-radius-md);
    padding: 1.75rem;
    border: 1px solid transparent;
    display: none;
    animation: fadeIn 0.4s ease;
}

.checker-result-box.active {
    display: block;
}

.checker-result-box.success {
    background-color: rgba(16, 185, 129, 0.06);
    border-color: rgba(16, 185, 129, 0.2);
}

.checker-result-box.info {
    background-color: rgba(59, 130, 246, 0.06);
    border-color: rgba(59, 130, 246, 0.2);
}

.checker-result-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.checker-result-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Contact & Forms */
.contact-grid {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
}

.contact-info-column {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.info-item {
    display: flex;
    gap: 1.25rem;
}

.info-item-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-sm);
    background-color: var(--accent-glow);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.info-item-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.info-item-value {
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-decoration: none;
    transition: var(--transition-fast);
}

a.info-item-value:hover {
    color: var(--accent-primary);
}

.contact-form {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 0.85rem 1.25rem;
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-input[type="date"] {
    color-scheme: dark;
}

[data-theme="light"] .form-input[type="date"] {
    color-scheme: light;
}

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

.form-submit-btn {
    width: 100%;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #ffffff;
    border: none;
    padding: 1rem;
    font-weight: 700;
    font-size: 1rem;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-sm);
}

.form-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

/* Notification Popup */
.toast-notification {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    border-radius: var(--border-radius-md);
    padding: 1.25rem 2rem;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 1rem;
    transform: translateY(150%);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 3000;
}

.toast-notification.active {
    transform: translateY(0);
}

.toast-icon {
    width: 32px;
    height: 32px;
    background-color: var(--accent-glow);
    color: var(--accent-primary);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
}

.toast-body h5 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.toast-body p {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Partner Logos Section */
.partners-container {
    max-width: var(--container-width);
    margin: 0 auto;
}

.partners-title {
    text-align: center;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 3rem;
}

.partners-flex {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 4rem;
}

.partner-logo-box {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 1.5rem 2.5rem;
    border-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 220px;
    height: 120px;
}

.partner-logo-box:hover {
    border-color: var(--accent-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.partner-logo-name {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.2rem;
    color: var(--text-primary);
}

.partner-logo-sub {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    margin-top: 0.25rem;
}

.partner-badge-qualiopi {
    border: 2px solid #005691;
    color: #005691;
    font-weight: 900;
    padding: 0.25rem 0.5rem;
    font-size: 0.9rem;
    border-radius: 4px;
}

[data-theme="dark"] .partner-badge-qualiopi {
    border-color: #38bdf8;
    color: #38bdf8;
}

/* Footer Styles */
.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 5rem 2rem 2rem 2rem;
}

.footer-grid {
    max-width: var(--container-width);
    margin: 0 auto 4rem auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 4rem;
}

.footer-about-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
}

.footer-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 320px;
}

.footer-links-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-links-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.05rem;
}

.footer-links-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--accent-primary);
}

.footer-contact-column {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-contact-item {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.footer-bottom {
    max-width: var(--container-width);
    margin: 0 auto;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

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

/* Responsive Breakpoints */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-badge {
        justify-content: center;
    }
    
    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .hero-media-wrapper {
        height: 380px;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .calculator-card {
        grid-template-columns: 1fr;
    }
    
    .calculator-body,
    .calculator-summary {
        padding: 2rem;
    }
    
    .calculator-summary {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

@media (max-width: 768px) {
    .header {
        padding: 1rem;
    }
    
    .calculator-body,
    .calculator-summary {
        padding: 1.5rem;
    }
    
    .mobile-nav-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .mobile-nav-toggle.open span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-nav-toggle.open span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--bg-secondary);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: center;
        gap: 2.5rem;
        transition: var(--transition-smooth);
        z-index: 1000;
        padding: 2rem;
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-actions {
        margin-right: 3rem;
    }
    
    .grid-3, .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .calc-grid-select {
        grid-template-columns: 1fr;
    }
    
    .checker-form-row {
        flex-direction: column;
    }
    
    .checker-btn {
        width: 100%;
    }
    
    .lightbox-arrow {
        display: none; /* Hide arrows on mobile touch devices */
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}

/* ==========================================================================
   Interactive Hero Video Play Overlay Styles
   ========================================================================== */

.hero-play-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    z-index: 5;
}

.play-icon-circle {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    width: 76px;
    height: 76px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    box-shadow: var(--shadow-glow);
    transition: var(--transition-smooth);
    animation: pulsePlay 2s infinite;
    padding-left: 5px; /* Centers the triangle play icon visually */
}

.hero-play-overlay span {
    color: #ffffff;
    font-size: 0.95rem;
    font-weight: 800;
    margin-top: 1rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
    transition: var(--transition-smooth);
}

/* Hover effects */
.hero-media-wrapper:hover .hero-play-overlay {
    background-color: rgba(15, 23, 42, 0.2);
}

.hero-media-wrapper:hover .play-icon-circle {
    transform: scale(1.1);
    box-shadow: 0 0 25px var(--accent-primary);
}

.hero-media-wrapper:hover .hero-play-overlay span {
    transform: translateY(2px);
    color: var(--accent-primary);
}

/* Play button pulse animation */
@keyframes pulsePlay {
    0% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(16, 185, 129, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(16, 185, 129, 0);
    }
}