/* Variables de thème */
:root {
    /* Variables communes */
    --transition: all 0.3s ease;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --radius: 20px;
    
    /* Thème sombre (par défaut) */
    --primary: #0a192f;
    --secondary: #00d4ff;
    --accent: #ff6b35;
    --accent-glow: rgba(255, 107, 53, 0.3);
    --neon-blue: #00f3ff;
    --neon-blue-glow: rgba(0, 243, 255, 0.4);
    --neon-orange: #ff8c42;
    --neon-orange-glow: rgba(255, 140, 66, 0.4);
    --light: #f8f9fa;
    --dark: #0a1520;
    --success: #2ecc71;
    --text: #ffffff;
    --text-light: #b0b7c3;
    --card-bg: rgba(15, 25, 45, 0.8);
    --gradient-primary: linear-gradient(135deg, #0a192f 0%, #1a2c4d 100%);
    --gradient-accent: linear-gradient(90deg, #ff6b35 0%, #ff8c42 100%);
    --gradient-neon: linear-gradient(90deg, #00d4ff 0%, #00f3ff 100%);
    --header-bg: rgba(10, 25, 47, 0.95);
    --footer-bg: #0a1520;
    --form-bg: rgba(255, 255, 255, 0.05);
    --form-border: rgba(0, 212, 255, 0.2);
}

/* Thème clair */
[data-theme="light"] {
    --primary: #ffffff;
    --secondary: #0077cc;
    --accent: #ff6b35;
    --accent-glow: rgba(255, 107, 53, 0.2);
    --neon-blue: #0099cc;
    --neon-blue-glow: rgba(0, 153, 204, 0.2);
    --neon-orange: #ff8c42;
    --neon-orange-glow: rgba(255, 140, 66, 0.2);
    --light: #f8f9fa;
    --dark: #2c3e50;
    --text: #2c3e50;
    --text-light: #7f8c8d;
    --card-bg: rgba(255, 255, 255, 0.9);
    --gradient-primary: linear-gradient(135deg, #ffffff 0%, #f5f7fa 100%);
    --gradient-accent: linear-gradient(90deg, #ff6b35 0%, #ff8c42 100%);
    --gradient-neon: linear-gradient(90deg, #0077cc 0%, #0099cc 100%);
    --header-bg: rgba(255, 255, 255, 0.95);
    --footer-bg: #2c3e50;
    --form-bg: rgba(0, 0, 0, 0.05);
    --form-border: rgba(0, 119, 204, 0.2);
}

/* Reset et styles de base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text);
    background: var(--gradient-primary);
    overflow-x: hidden;
    transition: var(--transition);
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typographie */
h1, h2, h3, h4 {
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 {
    font-size: 3.8rem;
    color: var(--text);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

h1 span {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
}

h2 {
    font-size: 2.8rem;
    color: var(--text);
    text-align: center;
    margin-bottom: 3.5rem;
    position: relative;
    text-transform: uppercase;
    letter-spacing: 1px;
}

h2:after {
    content: '';
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 5px;
    background: var(--gradient-accent);
    border-radius: 3px;
    box-shadow: 0 0 15px var(--accent-glow);
}

h3 {
    font-size: 1.9rem;
    color: var(--text);
    margin-bottom: 1.2rem;
}

.highlight {
    color: var(--neon-orange);
    font-weight: 700;
}

p {
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 1.1rem;
    transition: var(--transition);
}

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

/* Boutons */
.btn {
    display: inline-block;
    padding: 16px 35px;
    background: var(--gradient-accent);
    color: white;
    border-radius: 50px;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 5px 20px rgba(255, 107, 53, 0.3);
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-neon);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.4);
}

.btn:hover:before {
    opacity: 1;
}

.btn-neon {
    background: var(--gradient-neon);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.3);
}

.btn-neon:hover {
    box-shadow: 0 10px 25px rgba(0, 212, 255, 0.4);
}

.btn-neon:before {
    background: var(--gradient-accent);
}

/* Header et Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--header-bg);
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    padding: 20px 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 212, 255, 0.1);
}

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

.logo {
    font-size: 2rem;
    font-weight: 900;
    color: var(--text);
    display: flex;
    align-items: center;
    text-transform: uppercase;
    transition: var(--transition);
}

.logo span {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-left: 5px;
    text-shadow: 0 0 15px var(--neon-blue-glow);
}

.logo i {
    margin-right: 12px;
    color: var(--neon-orange);
    font-size: 2.2rem;
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

nav ul {
    display: flex;
    list-style: none;
    align-items: center;
}

nav ul li {
    margin-left: 35px;
}

nav ul li a {
    color: var(--text-light);
    font-weight: 600;
    font-size: 1.1rem;
    position: relative;
    padding: 5px 0;
}

nav ul li a:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 3px;
    transition: var(--transition);
}

nav ul li a:hover {
    color: var(--text);
}

nav ul li a:hover:after {
    width: 100%;
}

/* Toggle thème */
.theme-toggle {
    display: flex;
    align-items: center;
    margin-left: 20px;
    cursor: pointer;
}

.theme-toggle input {
    display: none;
}

.toggle-slider {
    width: 50px;
    height: 26px;
    background: var(--gradient-accent);
    border-radius: 50px;
    position: relative;
    transition: var(--transition);
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.2);
}

.toggle-slider:before {
    content: '';
    position: absolute;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: white;
    top: 2px;
    left: 2px;
    transition: var(--transition);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.theme-toggle input:checked + .toggle-slider:before {
    transform: translateX(24px);
}

.toggle-icons {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 8px;
    color: white;
    font-size: 0.8rem;
}

.mobile-menu {
    display: none;
    font-size: 1.8rem;
    cursor: pointer;
    color: var(--neon-blue);
    margin-left: 20px;
}

/* Hero Section */
.hero {
    padding: 200px 0 120px;
    background: radial-gradient(circle at top right, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at bottom left, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
                var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.hero:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M11 18c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm48 25c3.866 0 7-3.134 7-7s-3.134-7-7-7-7 3.134-7 7 3.134 7 7 7zm-43-7c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm63 31c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM34 90c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zm56-76c1.657 0 3-1.343 3-3s-1.343-3-3-3-3 1.343-3 3 1.343 3 3 3zM12 86c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm28-65c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm23-11c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-6 60c2.21 0 4-1.79 4-4s-1.79-4-4-4-4 1.79-4 4 1.79 4 4 4zm29 22c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zM32 63c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm57-13c2.76 0 5-2.24 5-5s-2.24-5-5-5-5 2.24-5 5 2.24 5 5 5zm-9-21c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM60 91c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM35 41c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2zM12 60c1.105 0 2-.895 2-2s-.895-2-2-2-2 .895-2 2 .895 2 2 2z' fill='%2300d4ff' fill-opacity='0.05' fill-rule='evenodd'/%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.hero-content {
    flex: 1;
    max-width: 650px;
}

.hero h1 {
    margin-bottom: 25px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    color: var(--text-light);
    line-height: 1.7;
}

.hero-highlight {
    color: var(--neon-orange);
    font-weight: 700;
    text-shadow: 0 0 10px var(--accent-glow);
}

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

.hero-visual {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.hero-visual img {
    max-width: 100%;
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(0, 212, 255, 0.1),
                0 0 30px rgba(0, 212, 255, 0.1);
    transform: perspective(1000px) rotateY(-10deg);
    transition: var(--transition);
}

.hero-visual img:hover {
    transform: perspective(1000px) rotateY(0deg);
}

.hero-visual:after {
    content: '';
    position: absolute;
    top: 10%;
    left: -10%;
    width: 120%;
    height: 80%;
    background: var(--gradient-neon);
    opacity: 0.1;
    filter: blur(40px);
    z-index: -1;
    border-radius: 50%;
}

/* Services Section */
.services {
    padding: 120px 0;
    position: relative;
    background: rgba(10, 25, 47, 0.05);
    transition: var(--transition);
}

[data-theme="light"] .services {
    background: rgba(0, 119, 204, 0.05);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 40px;
    position: relative;
    z-index: 1;
}

.service-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 45px 35px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--form-border);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.service-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-accent);
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15),
                0 0 30px var(--neon-blue-glow);
    border-color: var(--neon-blue);
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
    display: inline-block;
    padding: 20px;
    border-radius: 15px;
    background: rgba(0, 212, 255, 0.1);
    color: var(--neon-blue);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1),
                inset 0 0 0 1px rgba(0, 212, 255, 0.2);
}

[data-theme="light"] .service-icon {
    background: rgba(0, 119, 204, 0.1);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05),
                inset 0 0 0 1px rgba(0, 119, 204, 0.2);
}

.service-card h3 {
    margin-bottom: 20px;
    font-size: 1.8rem;
}

.service-card p {
    margin-bottom: 25px;
    font-size: 1.05rem;
}

.service-card a {
    color: var(--neon-blue);
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
}

.service-card a:after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-accent);
    transition: var(--transition);
}

.service-card a:hover:after {
    width: 100%;
}

/* Section Processus */
.process {
    padding: 120px 0;
    background: rgba(15, 25, 45, 0.05);
    position: relative;
    transition: var(--transition);
}

[data-theme="light"] .process {
    background: rgba(255, 107, 53, 0.05);
}

.process-steps {
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.step {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 25px;
    position: relative;
}

.step-number {
    display: inline-block;
    width: 70px;
    height: 70px;
    line-height: 70px;
    background: var(--gradient-accent);
    color: white;
    border-radius: 50%;
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 25px;
    box-shadow: 0 10px 20px rgba(255, 107, 53, 0.3);
    position: relative;
    z-index: 1;
}

.step-number:after {
    content: '';
    position: absolute;
    top: -5px;
    left: -5px;
    right: -5px;
    bottom: -5px;
    background: var(--gradient-accent);
    border-radius: 50%;
    z-index: -1;
    opacity: 0.4;
    filter: blur(10px);
}

.step h3 {
    margin-bottom: 20px;
    font-size: 1.6rem;
}

.step p {
    font-size: 1.05rem;
}

/* Section À Propos */
.about {
    padding: 120px 0;
    position: relative;
    background: rgba(10, 25, 47, 0.05);
    transition: var(--transition);
}

[data-theme="light"] .about {
    background: rgba(255, 140, 66, 0.05);
}

.about-container {
    display: flex;
    align-items: center;
    gap: 60px;
    position: relative;
    z-index: 1;
}

.about-content {
    flex: 1;
}

.about-visual {
    flex: 1;
    position: relative;
}

.about-visual img {
    width: 100%;
    border-radius: var(--radius);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2),
                0 0 0 1px rgba(0, 212, 255, 0.1),
                0 0 30px rgba(255, 107, 53, 0.1);
    transition: var(--transition);
}

.about-visual img:hover {
    transform: scale(1.02);
}

.about-visual:after {
    content: '';
    position: absolute;
    top: 10%;
    right: -10%;
    width: 120%;
    height: 80%;
    background: var(--gradient-accent);
    opacity: 0.1;
    filter: blur(40px);
    z-index: -1;
    border-radius: 50%;
}

/* Section Contact */
.contact {
    padding: 120px 0;
    background: rgba(15, 25, 45, 0.1);
    position: relative;
    transition: var(--transition);
}

[data-theme="light"] .contact {
    background: rgba(0, 119, 204, 0.05);
}

.contact-container {
    display: flex;
    gap: 60px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-form {
    flex: 1;
    min-width: 300px;
}

.contact-info-item {
    display: flex;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--form-bg);
    border-radius: 15px;
    border-left: 4px solid var(--neon-orange);
    transition: var(--transition);
}

.contact-info-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(10px);
}

[data-theme="light"] .contact-info-item:hover {
    background: rgba(0, 0, 0, 0.05);
}

.contact-info-icon {
    width: 60px;
    height: 60px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 20px;
    font-size: 1.5rem;
    color: var(--neon-blue);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .contact-info-icon {
    background: rgba(0, 119, 204, 0.1);
}

.contact-detail {
    display: flex;
    flex-direction: column;
}

.contact-detail h4 {
    color: var(--neon-orange);
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.contact-detail p {
    color: var(--text-light);
    margin-bottom: 0;
    font-size: 1.1rem;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text);
    font-weight: 600;
    font-size: 1.1rem;
}

.form-control {
    width: 100%;
    padding: 18px 20px;
    border-radius: 15px;
    border: 1px solid var(--form-border);
    background: var(--form-bg);
    color: var(--text);
    font-size: 1rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--neon-blue);
    box-shadow: 0 0 20px var(--neon-blue-glow);
}

[data-theme="light"] .form-control:focus {
    background: rgba(0, 0, 0, 0.05);
}

/* Footer */
footer {
    background: var(--footer-bg);
    color: white;
    padding: 80px 0 30px;
    position: relative;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    transition: var(--transition);
}

.footer-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-col {
    flex: 1;
    min-width: 250px;
    margin-bottom: 40px;
    padding-right: 20px;
}

.footer-col h3 {
    color: white;
    margin-bottom: 25px;
    font-size: 1.5rem;
    position: relative;
    padding-bottom: 15px;
}

.footer-col h3:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: 3px;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: var(--text-light);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--neon-blue);
    transform: translateX(5px);
}

.social-links {
    display: flex;
    margin-top: 25px;
    gap: 15px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    color: var(--neon-blue);
    font-size: 1.2rem;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--gradient-neon);
    color: var(--primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 20px var(--neon-blue-glow);
}

.newsletter-form {
    margin-top: 20px;
}

.newsletter-input {
    width: 100%;
    padding: 15px 20px;
    border-radius: 50px;
    border: 1px solid var(--form-border);
    background: var(--form-bg);
    color: var(--text);
    margin-bottom: 15px;
}

.copyright {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-light);
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

/* Menu mobile */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--header-bg);
    backdrop-filter: blur(20px);
    z-index: 2000;
    transition: var(--transition);
    padding: 80px 30px 30px;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.2);
    overflow-y: auto;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav ul {
    list-style: none;
    flex-direction: column;
    align-items: flex-start;
}

.mobile-nav ul li {
    margin: 0 0 25px 0;
    width: 100%;
}

.mobile-nav ul li a {
    font-size: 1.3rem;
    padding: 10px 0;
    display: block;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

[data-theme="light"] .mobile-nav ul li a {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.mobile-theme-toggle {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

[data-theme="light"] .mobile-theme-toggle {
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.mobile-theme-toggle span {
    color: var(--text);
    font-weight: 600;
}

.close-menu {
    position: absolute;
    top: 25px;
    right: 25px;
    font-size: 1.8rem;
    color: var(--neon-blue);
    cursor: pointer;
    background: none;
    border: none;
}

/* Responsive Design */
@media (max-width: 1100px) {
    h1 {
        font-size: 3.2rem;
    }
    
    h2 {
        font-size: 2.5rem;
    }
    
    .hero-container, .about-container {
        flex-direction: column;
    }
    
    .hero-content, .about-content {
        margin-bottom: 70px;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual, .about-visual {
        max-width: 80%;
    }
    
    .process-steps {
        flex-direction: column;
        align-items: center;
    }
    
    .step {
        margin-bottom: 50px;
        max-width: 400px;
    }
}

@media (max-width: 768px) {
    .desktop-theme {
        display: none;
    }
    
    .mobile-menu {
        display: flex;
        align-items: center;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        padding: 160px 0 80px;
    }
    
    .services, .process, .about, .contact {
        padding: 80px 0;
    }
    
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 2rem;
    }
    
    .hero-visual, .about-visual {
        max-width: 100%;
    }
}

@media (min-width: 769px) {
    .mobile-nav {
        display: none;
    }
}

@media (max-width: 576px) {
    h1 {
        font-size: 2.2rem;
    }
    
    h2 {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 14px 30px;
        font-size: 0.9rem;
    }
    
    .service-card {
        padding: 35px 25px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .contact-info-item {
        flex-direction: column;
        text-align: center;
    }
    
    .contact-info-icon {
        margin-right: 0;
        margin-bottom: 15px;
    }
    
    .mobile-nav {
        width: 100%;
    }
}