/* ============================================
   LE DIAGNOSTIC DPE - Design Professionnel Coloré
   Inspiré du style D2S Serrurerie
   Compatible Dreamweaver / HTML statique
   ============================================ */

/* === RESET & BASE === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #1a5276;
    --primary-dark: #0e2f44;
    --primary-darker: #091e2c;
    --primary-light: #2980b9;
    --secondary: #e67e22;
    --secondary-dark: #d35400;
    --secondary-light: #f39c12;
    --green: #27ae60;
    --green-dark: #1e8449;
    --text-dark: #2c3e50;
    --text-medium: #4a5568;
    --text-light: #718096;
    --bg-light: #f7fafc;
    --bg-lighter: #edf2f7;
    --bg-white: #ffffff;
    --bg-dark: #0e1a2b;
    --bg-dark-alt: #132238;
    --border: #e2e8f0;
    --shadow: 0 4px 15px rgba(0,0,0,0.08);
    --shadow-hover: 0 8px 30px rgba(0,0,0,0.15);
    --shadow-colored: 0 4px 15px rgba(26,82,118,0.2);
    --radius: 10px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary-dark);
    margin-bottom: 0.8rem;
}

h1 { font-size: 2.2rem; }
h2 { font-size: 1.8rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.2rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-medium);
}

ul, ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

/* === LAYOUT === */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 70px 0;
}

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

.section-gray {
    background-color: var(--bg-lighter);
}

.section-dark {
    background-color: var(--primary-dark);
    color: #fff;
}

.section-dark h2,
.section-dark h3,
.section-dark h4 {
    color: #fff;
}

.section-dark p {
    color: rgba(255,255,255,0.85);
}

.section-title {
    text-align: center;
    margin-bottom: 50px;
}

.section-title .subtitle {
    display: inline-block;
    color: var(--secondary);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 10px;
}

.section-title h2 {
    font-size: 2rem;
    color: var(--primary-dark);
}

.section-dark .section-title h2 {
    color: #fff;
}

.section-title p {
    max-width: 650px;
    margin: 0 auto;
    color: var(--text-light);
}

/* === ALERT BAR (Top) === */
.alert-bar {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: #fff;
    padding: 10px 0;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
}

.alert-bar a {
    color: #fff;
    font-weight: 700;
    text-decoration: underline;
}

.alert-bar a:hover {
    color: #ffeaa7;
}

/* === TOP BAR === */
.top-bar {
    background-color: var(--primary-darker);
    color: rgba(255,255,255,0.8);
    padding: 10px 0;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

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

.top-bar a {
    color: rgba(255,255,255,0.9);
    margin-left: 20px;
    transition: var(--transition);
}

.top-bar a:hover {
    color: var(--secondary-light);
}

.top-bar .phone-top {
    background: var(--secondary);
    color: #fff;
    padding: 5px 15px;
    border-radius: 20px;
    font-weight: 700;
    font-size: 0.9rem;
}

.top-bar .phone-top:hover {
    background: var(--secondary-dark);
    color: #fff;
}

/* === HEADER === */
header {
    background-color: var(--bg-white);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-main {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 55px;
    width: auto;
}

.logo-text {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.2;
}

.logo-text span {
    display: block;
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.header-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--secondary);
    color: #fff;
    padding: 10px 20px;
    border-radius: 30px;
    font-size: 1.2rem;
    font-weight: 700;
    transition: var(--transition);
}

.header-phone:hover {
    background: var(--secondary-dark);
    color: #fff;
    transform: scale(1.03);
}

.header-phone::before {
    content: '\260E';
    font-size: 1.3rem;
}

/* === NAVIGATION === */
nav {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-top: 3px solid var(--secondary);
}

nav .container {
    display: flex;
    align-items: center;
}

nav ul {
    list-style: none;
    display: flex;
    padding: 0;
    margin: 0;
    width: 100%;
}

nav ul li {
    margin: 0;
}

nav ul li a {
    display: block;
    padding: 16px 24px;
    color: rgba(255,255,255,0.9);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    position: relative;
}

nav ul li a:hover,
nav ul li a.active {
    background-color: rgba(255,255,255,0.1);
    color: #fff;
    border-bottom-color: var(--secondary);
}

nav ul li a.active {
    background-color: var(--secondary);
    border-bottom-color: var(--secondary-dark);
}

/* Mobile menu */
.menu-toggle {
    display: none;
    background: var(--secondary);
    border: none;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 12px 18px;
    border-radius: var(--radius);
    margin: 8px 0;
}

/* === HERO SECTION === */
.hero {
    background: linear-gradient(135deg, var(--primary-darker) 0%, var(--primary-dark) 40%, var(--primary) 100%);
    color: #fff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(41,128,185,0.3) 0%, transparent 60%);
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -50px;
    right: -50px;
    width: 300px;
    height: 300px;
    background: rgba(230,126,34,0.1);
    border-radius: 50%;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: var(--secondary);
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 2.6rem;
    color: #fff;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero h1 strong {
    color: var(--secondary-light);
}

.hero p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.85);
    max-width: 650px;
    margin-bottom: 2rem;
    line-height: 1.8;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 50px;
    align-items: center;
}

.hero-features {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(5px);
    padding: 15px 20px;
    border-radius: var(--radius);
    border: 1px solid rgba(255,255,255,0.15);
    transition: var(--transition);
}

.hero-feature:hover {
    background: rgba(255,255,255,0.15);
    transform: translateX(5px);
}

.hero-feature-icon {
    width: 45px;
    height: 45px;
    background: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.hero-feature h4 {
    color: #fff;
    margin-bottom: 2px;
    font-size: 1rem;
}

.hero-feature p {
    color: rgba(255,255,255,0.7);
    font-size: 0.85rem;
    margin: 0;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 1rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(230,126,34,0.4);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, #c0392b 100%);
    color: #fff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(230,126,34,0.5);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(26,82,118,0.3);
}

.btn-secondary:hover {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    color: #fff;
    transform: translateY(-3px);
}

.btn-outline {
    background-color: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-outline:hover {
    background-color: #fff;
    color: var(--primary-dark);
}

.btn-green {
    background: linear-gradient(135deg, var(--green) 0%, var(--green-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(39,174,96,0.3);
}

.btn-green:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(39,174,96,0.4);
    color: #fff;
}

/* === TRUST BADGES === */
.trust-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    padding: 30px 0;
    border-bottom: 4px solid var(--secondary);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.trust-item {
    padding: 15px;
    border-radius: var(--radius);
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}

.trust-item:hover {
    background: rgba(255,255,255,0.15);
    transform: translateY(-3px);
}

.trust-item-icon {
    font-size: 2.2rem;
    margin-bottom: 8px;
}

.trust-item h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    color: #fff;
}

.trust-item p {
    font-size: 0.82rem;
    color: rgba(255,255,255,0.7);
    margin: 0;
}

/* === CARDS === */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
}

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

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.card-body {
    padding: 25px;
}

.card-body h3 {
    margin-bottom: 0.8rem;
    color: var(--primary);
}

.card-body h3 a {
    color: var(--primary);
}

.card-body h3 a:hover {
    color: var(--secondary);
}

.card-body p {
    font-size: 0.95rem;
    margin-bottom: 1.2rem;
}

.card-link {
    color: var(--secondary);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card-link:hover {
    color: var(--secondary-dark);
    gap: 10px;
}

/* === SERVICES SECTION === */
.service-item {
    display: flex;
    gap: 25px;
    padding: 30px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    margin-bottom: 25px;
    transition: var(--transition);
    align-items: flex-start;
    border-left: 5px solid var(--primary);
}

.service-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateX(5px);
    border-left-color: var(--secondary);
}

.service-item img {
    width: 120px;
    height: 90px;
    object-fit: cover;
    border-radius: var(--radius);
    flex-shrink: 0;
}

.service-item h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.service-item h3 a {
    color: var(--primary);
}

.service-item h3 a:hover {
    color: var(--secondary);
}

/* === SIDEBAR === */
.page-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}

.sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-widget {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 25px;
    margin-bottom: 25px;
    border-top: 4px solid var(--primary);
}

.sidebar-widget h3 {
    color: var(--primary);
    padding-bottom: 12px;
    border-bottom: 2px solid var(--border);
    margin-bottom: 15px;
    font-size: 1.1rem;
}

.sidebar-widget p {
    font-size: 0.9rem;
}

.sidebar-cta {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: #fff;
    text-align: center;
    border-top-color: var(--secondary);
}

.sidebar-cta h3 {
    color: #fff;
    border-bottom-color: rgba(255,255,255,0.2);
}

.sidebar-cta p {
    color: rgba(255,255,255,0.85);
}

.sidebar-cta .btn {
    width: 100%;
    margin-top: 10px;
}

.phone-cta {
    font-size: 1.4rem;
    font-weight: 700;
    color: #fff;
    display: block;
    margin: 15px 0;
    background: var(--secondary);
    padding: 10px;
    border-radius: 30px;
    text-align: center;
}

.phone-cta:hover {
    background: var(--secondary-dark);
    color: #fff;
}

/* === CONTENT AREA === */
.content-area h1 {
    color: var(--primary-dark);
    padding-bottom: 15px;
    border-bottom: 3px solid var(--secondary);
    margin-bottom: 25px;
}

.content-area h2 {
    margin-top: 2rem;
    color: var(--primary);
    position: relative;
    padding-left: 15px;
}

.content-area h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 5px;
    bottom: 5px;
    width: 4px;
    background: var(--secondary);
    border-radius: 2px;
}

.content-area h3 {
    margin-top: 1.5rem;
    color: var(--primary-dark);
}

.content-area ul li,
.content-area ol li {
    margin-bottom: 0.6rem;
    line-height: 1.6;
}

.content-area table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--bg-white);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.content-area table th {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: #fff;
    padding: 14px 18px;
    text-align: left;
    font-weight: 600;
}

.content-area table td {
    padding: 12px 18px;
    border-bottom: 1px solid var(--border);
}

.content-area table tr:hover td {
    background-color: #ebf5fb;
}

/* === INFO BOX === */
.info-box {
    background: linear-gradient(135deg, #ebf5fb 0%, #d6eaf8 100%);
    border-left: 5px solid var(--primary-light);
    padding: 22px 28px;
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    margin: 1.5rem 0;
}

.info-box.warning {
    background: linear-gradient(135deg, #fef9e7 0%, #fdebd0 100%);
    border-left-color: var(--secondary);
}

.info-box.success {
    background: linear-gradient(135deg, #e8f8f0 0%, #d5f5e3 100%);
    border-left-color: var(--green);
}

/* === CTA SECTION === */
.cta-section {
    background: linear-gradient(135deg, var(--primary-darker) 0%, var(--primary-dark) 50%, var(--primary) 100%);
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(230,126,34,0.1) 0%, transparent 50%);
}

.cta-section .container {
    position: relative;
    z-index: 1;
}

.cta-section h2 {
    color: #fff;
    font-size: 2rem;
    margin-bottom: 15px;
}

.cta-section p {
    color: rgba(255,255,255,0.85);
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* === BREADCRUMB === */
.breadcrumb {
    padding: 15px 0;
    font-size: 0.85rem;
    background: var(--bg-lighter);
    border-bottom: 1px solid var(--border);
}

.breadcrumb a {
    color: var(--primary-light);
    font-weight: 500;
}

.breadcrumb a:hover {
    color: var(--secondary);
}

.breadcrumb span {
    color: var(--text-light);
    margin: 0 8px;
}

/* === FOOTER === */
footer {
    background: linear-gradient(180deg, var(--bg-dark) 0%, var(--primary-darker) 100%);
    color: #ccc;
    padding: 70px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col h4 {
    color: #fff;
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
    position: relative;
    padding-bottom: 12px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--secondary), var(--secondary-light));
    border-radius: 2px;
}

.footer-col p {
    color: #a0aec0;
    font-size: 0.9rem;
    line-height: 1.8;
}

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

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    color: #a0aec0;
    font-size: 0.9rem;
    transition: var(--transition);
    display: inline-block;
}

.footer-col ul li a:hover {
    color: var(--secondary);
    transform: translateX(5px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 25px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #718096;
}

.footer-bottom a {
    color: #a0aec0;
}

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

/* === FORM === */
.form-group {
    margin-bottom: 22px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: var(--text-dark);
    font-size: 0.9rem;
}

.form-group label .required {
    color: #e74c3c;
}

.form-control {
    width: 100%;
    padding: 13px 18px;
    border: 2px solid var(--border);
    border-radius: var(--radius);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    background-color: var(--bg-white);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 4px rgba(41, 128, 185, 0.15);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23555' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 15px center;
    padding-right: 40px;
}

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

.form-radio-group {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 5px;
}

.form-radio-group label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 400;
    cursor: pointer;
    background: var(--bg-lighter);
    padding: 8px 14px;
    border-radius: 20px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.form-radio-group label:hover {
    border-color: var(--primary-light);
    background: #ebf5fb;
}

.form-submit {
    background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-dark) 100%);
    color: #fff;
    padding: 16px 40px;
    border: none;
    border-radius: 30px;
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
    box-shadow: 0 4px 15px rgba(230,126,34,0.4);
}

.form-submit:hover {
    background: linear-gradient(135deg, var(--secondary-dark) 0%, #c0392b 100%);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(230,126,34,0.5);
}

/* === BLOG === */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--secondary);
}

.blog-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-card-body {
    padding: 22px;
}

.blog-card-body h3 {
    font-size: 1.1rem;
    margin-bottom: 0.6rem;
}

.blog-card-body h3 a {
    color: var(--primary-dark);
}

.blog-card-body h3 a:hover {
    color: var(--secondary);
}

.blog-card-body p {
    font-size: 0.9rem;
    color: var(--text-light);
}

.blog-card-link {
    display: inline-block;
    margin-top: 10px;
    color: var(--secondary);
    font-weight: 700;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.blog-card-link:hover {
    color: var(--secondary-dark);
}

/* === STATS SECTION === */
.stats-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 50px 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary-light);
    line-height: 1;
    margin-bottom: 8px;
}

.stat-label {
    color: rgba(255,255,255,0.8);
    font-size: 0.9rem;
    font-weight: 500;
}

/* === BACK TO TOP === */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background: var(--secondary);
    color: #fff;
    border: none;
    border-radius: 50%;
    font-size: 1.2rem;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(230,126,34,0.4);
    transition: var(--transition);
    z-index: 999;
}

.back-to-top:hover {
    background: var(--secondary-dark);
    transform: translateY(-3px);
}

.back-to-top.visible {
    display: flex;
}

/* === RESPONSIVE === */
@media (max-width: 992px) {
    .page-layout {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: static;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
    }
    
    .trust-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .alert-bar {
        font-size: 0.8rem;
        padding: 8px 0;
    }
    
    .top-bar {
        display: none;
    }
    
    .header-main {
        padding: 10px 0;
    }
    
    .header-phone {
        font-size: 1rem;
        padding: 8px 15px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    nav ul {
        display: none;
        flex-direction: column;
    }
    
    nav ul.active {
        display: flex;
    }
    
    nav ul li a {
        padding: 14px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        text-align: center;
    }
    
    .hero {
        padding: 50px 0;
    }
    
    .hero h1 {
        font-size: 1.9rem;
    }
    
    h1 { font-size: 1.7rem; }
    h2 { font-size: 1.4rem; }
    
    .section {
        padding: 45px 0;
    }
    
    .service-item {
        flex-direction: column;
        border-left-width: 4px;
    }
    
    .service-item img {
        width: 100%;
        height: 180px;
    }
    
    .trust-grid {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }
    
    .cards-grid {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .header-main {
        flex-direction: column;
        gap: 8px;
    }
    
    .form-radio-group {
        flex-direction: column;
        gap: 8px;
    }
    
    .trust-grid {
        grid-template-columns: 1fr;
    }
    
    .hero h1 {
        font-size: 1.6rem;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

/* === UTILITIES === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.fw-bold { font-weight: 700; }
.text-primary { color: var(--primary); }
.text-secondary { color: var(--secondary); }
.text-accent { color: var(--secondary); }
.text-green { color: var(--green); }

/* === ANIMATIONS === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.fade-in {
    animation: fadeInUp 0.6s ease forwards;
}

.pulse {
    animation: pulse 2s ease-in-out infinite;
}