/* Auto Diag Solution - Global Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Fonts */
    --font-primary: 'Outfit', sans-serif;
    --font-secondary: 'DM Sans', sans-serif;

    /* Theme: Dark (Default) */
    --bg-color: #06060c;
    --surface-color: #0a0a14;
    --card-bg: rgba(14, 14, 24, 0.75);
    --card-hover: rgba(20, 20, 35, 0.9);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-border-hover: rgba(0, 212, 255, 0.3);
    --text-color: #f0f0f5;
    --text-secondary: #8a8a9e;
    --text-muted: #4a4a5e;
    --accent-color: #00d4ff;
    --accent-glow: rgba(0, 212, 255, 0.15);
    --purple-color: #7b2fff;
    --purple-glow: rgba(123, 47, 255, 0.15);
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7b2fff 100%);
    --gradient-text: linear-gradient(135deg, #00d4ff 0%, #7b2fff 100%);
    --button-shadow: 0 4px 20px rgba(0, 212, 255, 0.25);
    --glass-bg: rgba(14, 14, 24, 0.7);
    --glass-border: rgba(255, 255, 255, 0.06);
    --input-bg: #0a0a16;
    --input-border: #1e1e38;
    --success-color: #00e676;
    --warning-color: #ff9500;
    --error-color: #ff3355;
}

[data-theme="light"] {
    --bg-color: #f5f5fa;
    --surface-color: #ebebef;
    --card-bg: rgba(255, 255, 255, 0.8);
    --card-hover: rgba(255, 255, 255, 0.95);
    --card-border: rgba(0, 0, 0, 0.08);
    --card-border-hover: rgba(0, 153, 204, 0.4);
    --text-color: #1c1c1e;
    --text-secondary: #636366;
    --text-muted: #8e8e93;
    --accent-color: #0099cc;
    --accent-glow: rgba(0, 153, 204, 0.15);
    --purple-color: #6b1fdd;
    --purple-glow: rgba(107, 31, 221, 0.15);
    --gradient-primary: linear-gradient(135deg, #0099cc 0%, #6b1fdd 100%);
    --gradient-text: linear-gradient(135deg, #0099cc 0%, #6b1fdd 100%);
    --button-shadow: 0 4px 20px rgba(0, 153, 204, 0.2);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 0, 0, 0.08);
    --input-bg: #ffffff;
    --input-border: #c7c7cc;
    --success-color: #2e7d32;
    --warning-color: #e65100;
    --error-color: #d32f2f;
}

/* Reset */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-color);
}

a {
    color: inherit;
    text-decoration: none;
    transition: all 0.3s ease;
}

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 15px rgba(0, 212, 255, 0.2); }
    50% { box-shadow: 0 0 25px rgba(0, 212, 255, 0.4); }
}

.animate-fade-in {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(16px) saturate(120%);
    -webkit-backdrop-filter: blur(16px) saturate(120%);
    border-bottom: 1px solid var(--glass-border);
    transition: all 0.4s ease;
}

.navbar-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-primary);
    font-weight: 800;
    font-size: 1.3rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.logo-img {
    height: 32px;
    width: 32px;
    border-radius: 8px;
}

.nav-menu {
    display: flex;
    gap: 30px;
    list-style: none;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 5px 0;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-color);
}

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* Theme Toggle */
.theme-toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.02);
    transition: all 0.3s ease;
}

.theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: scale(1.05);
}

.theme-toggle-btn svg {
    width: 20px;
    height: 20px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
}

.theme-toggle-btn .sun-icon {
    display: none;
}

[data-theme="light"] .theme-toggle-btn .sun-icon {
    display: block;
}

[data-theme="light"] .theme-toggle-btn .moon-icon {
    display: none;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 99px;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    gap: 8px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #ffffff;
    box-shadow: var(--button-shadow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(0, 212, 255, 0.4);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-color);
    border: 1px solid var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    padding: 160px 24px 80px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.hero-glow-1 {
    position: absolute;
    top: -10%;
    right: -10%;
    width: 50%;
    height: 60%;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(80px);
}

.hero-glow-2 {
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 50%;
    height: 60%;
    background: radial-gradient(circle, var(--purple-glow) 0%, transparent 70%);
    filter: blur(80px);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    width: 100%;
}

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

.badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 99px;
    color: var(--accent-color);
    font-family: var(--font-primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.phone-mockup-wrapper {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.phone-mockup {
    width: 290px;
    height: 590px;
    border-radius: 40px;
    border: 12px solid #1a1a2e;
    background: #000;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    overflow: hidden;
    position: relative;
}

.phone-mockup-screen {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.obd2-glow-visual {
    position: absolute;
    bottom: -20px;
    right: -40px;
    width: 160px;
    height: 160px;
    background: rgba(14, 14, 24, 0.9);
    border: 1px solid var(--card-border-hover);
    border-radius: 24px;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 15px;
    text-align: center;
    backdrop-filter: blur(8px);
}

.obd2-glow-visual svg {
    width: 48px;
    height: 48px;
    color: var(--accent-color);
    margin-bottom: 8px;
}

.obd2-glow-visual span {
    font-size: 0.8rem;
    font-weight: 700;
    font-family: var(--font-primary);
}

/* Sections Common */
.section {
    padding: 100px 24px;
    position: relative;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-subtitle {
    text-transform: uppercase;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    color: var(--accent-color);
    margin-bottom: 12px;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

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

.feature-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.feature-card:hover {
    transform: translateY(-5px);
    background: var(--card-hover);
    border-color: var(--card-border-hover);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.05);
}

.feature-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    background: rgba(0, 212, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-color);
    margin-bottom: 24px;
}

.feature-icon-wrapper svg {
    width: 30px;
    height: 30px;
}

.feature-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.feature-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 4px 10px;
    background: rgba(123, 47, 255, 0.15);
    border: 1px solid rgba(123, 47, 255, 0.3);
    border-radius: 99px;
    color: var(--purple-color);
    font-size: 0.75rem;
    font-weight: 700;
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    align-items: stretch;
}

.pricing-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 40px;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}

.pricing-card.featured {
    border-color: var(--purple-color);
    box-shadow: 0 10px 40px rgba(123, 47, 255, 0.15);
}

.pricing-card.featured::before {
    content: 'Recommandé';
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 6px 18px;
    font-size: 0.8rem;
    font-weight: 700;
    border-radius: 99px;
    font-family: var(--font-primary);
    text-transform: uppercase;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: var(--card-border-hover);
}

.pricing-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
}

.pricing-price {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 24px;
    font-family: var(--font-primary);
}

.pricing-price span {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.pricing-features {
    list-style: none;
    margin: 30px 0;
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
}

.pricing-features li svg {
    width: 20px;
    height: 20px;
    color: var(--success-color);
    flex-shrink: 0;
}

/* Downloads section */
.downloads {
    background: radial-gradient(circle at center, rgba(123, 47, 255, 0.05) 0%, transparent 70%);
}

.downloads-container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 32px;
    padding: 60px 40px;
    backdrop-filter: blur(16px);
}

.download-platforms {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    background: #000000;
    color: #ffffff;
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 12px 28px;
    border-radius: 14px;
    transition: all 0.3s ease;
}

.download-btn:hover {
    transform: translateY(-3px);
    border-color: rgba(255, 255, 255, 0.4);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}

.download-btn svg {
    width: 32px;
    height: 32px;
}

.download-btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.download-btn-text span:first-child {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: #8a8a9e;
}

.download-btn-text span:last-child {
    font-size: 1.1rem;
    font-weight: 700;
    font-family: var(--font-primary);
}

/* Support Form & FAQ Styles */
.support-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-color);
}

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--input-bg);
    border: 1px solid var(--input-border);
    border-radius: 12px;
    color: var(--text-color);
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

textarea.form-input {
    min-height: 150px;
    resize: vertical;
}

.support-info-cards {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.info-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    padding: 30px;
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.info-card-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(123, 47, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--purple-color);
    flex-shrink: 0;
}

.info-card-icon svg {
    width: 24px;
    height: 24px;
}

.info-card h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.info-card p, .info-card a {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

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

/* FAQ Accordion */
.faq-list {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    border: 1px solid var(--card-border);
    background: var(--card-bg);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.faq-question {
    width: 100%;
    padding: 24px;
    background: none;
    border: none;
    text-align: left;
    color: var(--text-color);
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1.1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    transition: transform 0.3s ease;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.3s ease;
    padding: 0 24px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.faq-item.active {
    border-color: var(--card-border-hover);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
    color: var(--accent-color);
}

.faq-item.active .faq-answer {
    padding-bottom: 24px;
}

/* Legal pages styles */
.legal-container {
    max-width: 800px;
    margin: 160px auto 100px;
    padding: 0 24px;
}

.legal-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 24px;
    padding: 50px;
}

.legal-card h1 {
    font-size: 2.5rem;
    margin-bottom: 12px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.legal-card p.subtitle {
    color: var(--text-secondary);
    margin-bottom: 40px;
    font-size: 0.95rem;
}

.legal-card h2 {
    font-size: 1.5rem;
    margin-top: 35px;
    margin-bottom: 16px;
}

.legal-card p, .legal-card li {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 1rem;
    line-height: 1.7;
}

.legal-card ul {
    margin-left: 24px;
    margin-bottom: 24px;
}

/* Toast Message */
.toast {
    position: fixed;
    bottom: 30px;
    right: -400px;
    background: var(--surface-color);
    border: 1px solid var(--card-border);
    padding: 16px 24px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    z-index: 10000;
    transition: right 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.toast.show {
    right: 30px;
}

.toast-success {
    border-left: 4px solid var(--success-color);
}

.toast-error {
    border-left: 4px solid var(--error-color);
}

/* Footer */
.footer {
    background: var(--surface-color);
    border-top: 1px solid var(--card-border);
    padding: 80px 24px 40px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 16px;
    max-width: 280px;
    font-size: 0.9rem;
}

.footer-column h4 {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 24px;
    color: var(--text-color);
}

.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--accent-color);
    padding-left: 4px;
}

.footer-bottom {
    max-width: 1200px;
    margin: 0 auto;
    padding-top: 40px;
    border-top: 1px solid var(--card-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom-links {
    display: flex;
    gap: 24px;
}

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

/* Mobile Nav Toggle */
.mobile-nav-toggle {
    display: none;
}

/* Responsive */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-title {
        font-size: 3rem;
    }

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

    .support-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .footer-container {
        grid-template-columns: 1fr repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background: var(--bg-color);
        flex-direction: column;
        padding: 40px 24px;
        align-items: flex-start;
        gap: 24px;
        transition: left 0.4s ease;
        border-top: 1px solid var(--card-border);
    }

    .nav-menu.open {
        left: 0;
    }

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

    .nav-actions {
        display: none; /* simple version for mobile screen */
    }

    .footer-container {
        grid-template-columns: 1fr;
    }

    .legal-card {
        padding: 30px 20px;
    }
}