/* =============================================
   VARIABLES & RESET
   ============================================= */
:root {
    /* Color palette based on #8170CF */
    --primary: #8170CF;
    --primary-dark: #6A59B8;
    --primary-light: #9A8BE0;
    --primary-lighter: #E8E4F7;
    
    --secondary: #5B4A99;
    --secondary-dark: #483A7A;
    --secondary-light: #6D5DAB;
    
    --accent: #64D8CB;
    --accent-dark: #4FC3B6;
    --accent-light: #7FE3D7;
    
    --dark: #1A1730;
    --dark-lighter: #252143;
    --dark-card: #2F2B4D;
    
    --light: #FFFFFF;
    --light-gray: #F8F9FA;
    
    --text-primary: #FFFFFF;
    --text-secondary: #C4BFE3;
    --text-muted: #9B95BA;
    --text-dark: #2D2547;
    
    --success: #64D8CB;
    --warning: #FFB85C;
    --danger: #FF6B8A;
    
    --shadow-sm: 0 2px 8px rgba(129, 112, 207, 0.1);
    --shadow-md: 0 4px 16px rgba(129, 112, 207, 0.15);
    --shadow-lg: 0 8px 32px rgba(129, 112, 207, 0.2);
    --shadow-primary: 0 4px 20px rgba(129, 112, 207, 0.3);
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Mode Variables */
body.light-mode {
    --dark: #F8F9FA;
    --dark-lighter: #FFFFFF;
    --dark-card: #FFFFFF;
    
    --text-primary: #2D2547;
    --text-secondary: #6B6590;
    --text-muted: #ADB5BD;
    
    --shadow-sm: 0 2px 8px rgba(129, 112, 207, 0.08);
    --shadow-md: 0 4px 16px rgba(129, 112, 207, 0.12);
    --shadow-lg: 0 8px 32px rgba(129, 112, 207, 0.16);
}

body.light-mode .bg-wrapper {
    background: #F5F3FB;
}

body.light-mode .bg-gradient {
    opacity: 0.03;
}

body.light-mode header.scrolled {
    background: rgba(255, 255, 255, 0.95);
}

body.light-mode .mobile-menu {
    background: var(--light);
}

body.light-mode .feature-card,
body.light-mode .download-card,
body.light-mode .footer,
body.light-mode .cookie-notice {
    border-color: rgba(129, 112, 207, 0.2);
}

body.light-mode .app-card {
    background: var(--light-gray);
}

body.light-mode .lang-toggle {
    background: var(--light);
    border-color: var(--primary);
    color: var(--primary);
}

body.light-mode .lang-options {
    background: var(--light);
    box-shadow: var(--shadow-md);
    border-color: rgba(129, 112, 207, 0.3);
}

body.light-mode .lang-options button {
    color: var(--text-primary);
}

body.light-mode .lang-options button:hover {
    background: var(--primary);
    color: var(--light);
}

body.light-mode .lang-options button small {
    background: var(--primary-lighter);
    color: var(--primary);
}

body.light-mode .lang-options button:hover small {
    background: rgba(255, 255, 255, 0.5);
    color: var(--light);
}

body.light-mode .social-link {
    background: var(--light-gray);
    border: 1px solid rgba(129, 112, 207, 0.2);
}

body.light-mode .how-it-works {
    background: #F5F3FB;
}

body.light-mode .feature-card {
    box-shadow: var(--shadow-sm);
}

body.light-mode .feature-card:hover {
    box-shadow: 0 6px 30px rgba(129, 112, 207, 0.2);
}

body.light-mode .btn-glass {
    border-color: var(--primary);
    color: var(--primary);
}

body.light-mode .btn-glass:hover {
    background: var(--primary);
    color: var(--light);
}

body.light-mode .nav-link,
body.light-mode .desktop-nav a {
    color: var(--text-secondary);
}

body.light-mode .nav-link:hover,
body.light-mode .desktop-nav a:hover {
    color: var(--primary);
}

body.light-mode .mobile-toggle span {
    background: var(--text-primary);
}

body.light-mode .cookie-notice {
    background: var(--light);
    border: 1px solid var(--primary);
}

body.light-mode .btn-cookie-reject {
    border-color: var(--text-secondary);
    color: var(--text-secondary);
}

body.light-mode .phone-screen {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

body.light-mode .theme-toggle {
    color: var(--primary);
}

body.light-mode .theme-toggle:hover {
    background: var(--primary-lighter);
    color: var(--primary-dark);
}

body.light-mode .lang-toggle {
    border-color: var(--primary);
    color: var(--primary);
}

body.light-mode .lang-toggle:hover {
    background: var(--primary);
    color: var(--light);
}

body.light-mode .stat-number {
    color: var(--primary);
}

body.light-mode .step-number {
    background: var(--primary);
    color: var(--light);
}

body.light-mode .pet-avatar {
    background: var(--primary-lighter);
}

body.light-mode .feature-icon {
    background: var(--primary);
    color: var(--light);
}

body.light-mode .section-tag {
    background: var(--primary-lighter);
    border-color: var(--primary);
    color: var(--primary-dark);
}

body.light-mode .download-content h2,
body.light-mode .download-content p {
    color: var(--light);
}

body.light-mode .footer {
    background: #F5F3FB;
    border-top-color: rgba(129, 112, 207, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background 0.3s ease, color 0.3s ease;
}

/* =============================================
   MOBILE FIRST - BASE STYLES
   ============================================= */

/* Background */
.bg-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
    background: var(--dark);
}

.bg-gradient {
    position: absolute;
    width: 100%;
    height: 100%;
    opacity: 0.05;
    background-image: 
        radial-gradient(circle at 20% 50%, var(--primary) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, var(--accent) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, var(--secondary) 0%, transparent 50%);
}

.bg-pattern {
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 35px, rgba(129, 112, 207, 0.02) 35px, rgba(129, 112, 207, 0.02) 70px);
}

/* Small mobile adjustments */
@media (max-width: 380px) {
    .lang-toggle #currentLangWord {
        display: none;
    }
    
    .lang-toggle {
        padding: 0.5rem 0.75rem;
    }
    
    .theme-toggle {
        width: 36px;
        height: 36px;
        margin-right: 0.5rem;
    }
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100vh;
    background: var(--dark-lighter);
    backdrop-filter: blur(20px);
    z-index: 9999;
    transition: right 0.3s ease;
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
}

body.light-mode .mobile-menu {
    background: var(--light);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.1);
}

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

.mobile-menu-content {
    padding: 2rem;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.mobile-close {
    align-self: flex-end;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.mobile-close:hover {
    color: var(--primary);
    transform: rotate(90deg);
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: 1.125rem;
    font-weight: 500;
    padding: 0.75rem;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

body.light-mode .mobile-nav a {
    color: var(--text-primary);
}

.mobile-nav a:hover {
    background: rgba(129, 112, 207, 0.1);
    color: var(--primary);
    padding-left: 1.25rem;
}

.mobile-menu-footer {
    margin-top: auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(129, 112, 207, 0.1);
}

.theme-toggle-mobile {
    background: var(--primary);
    border: none;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    color: var(--light);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
    justify-content: center;
}

.theme-toggle-mobile:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1rem 0;
    z-index: 1000;
    transition: var(--transition);
}

header.scrolled {
    background: rgba(26, 23, 48, 0.95);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.75rem;
}

.logo-text {
    color: var(--primary);
    letter-spacing: -0.02em;
}

.desktop-nav {
    display: none;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Theme Toggle */
.theme-toggle {
    background: transparent;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 1.25rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 0.75rem;
}

.theme-toggle:hover {
    background: rgba(129, 112, 207, 0.1);
    color: var(--primary);
}

.theme-toggle i {
    transition: transform 0.3s ease;
}

.theme-toggle:hover i {
    transform: rotate(180deg);
}

/* Language Dropdown */
.lang-dropdown {
    position: relative;
}

.lang-toggle {
    background: transparent;
    border: 2px solid var(--primary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-md);
    color: var(--primary);
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.lang-toggle:hover {
    background: var(--primary);
    color: var(--light);
}

.lang-toggle i.fa-globe {
    font-size: 1.125rem;
}

.lang-toggle #currentLangWord {
    font-weight: 600;
    min-width: 50px;
}

.lang-toggle i.fa-chevron-down {
    font-size: 0.75rem;
    transition: transform 0.3s ease;
}

.lang-dropdown.active .lang-toggle i.fa-chevron-down {
    transform: rotate(180deg);
}

.lang-options {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    background: var(--dark-card);
    border: 1px solid var(--primary);
    border-radius: var(--radius-md);
    padding: 0.5rem;
    min-width: 160px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-lg);
}

.lang-options.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.lang-options button {
    width: 100%;
    background: transparent;
    border: none;
    padding: 0.625rem 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    text-align: left;
    white-space: nowrap;
    font-size: 0.95rem;
}

.lang-options button:hover {
    background: var(--primary);
    color: var(--light);
}

.lang-options button small {
    background: var(--dark-lighter);
    color: var(--primary);
    padding: 0.125rem 0.375rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    width: 28px;
    text-align: center;
    margin-right: 0.5rem;
}

.lang-options button span {
    font-weight: 600;
}

.lang-options button:hover small {
    background: rgba(255, 255, 255, 0.2);
    color: var(--light);
}

.mobile-toggle {
    background: none;
    border: none;
    width: 30px;
    height: 30px;
    position: relative;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 100px 1rem 50px;
}

.hero-grid {
    display: grid;
    gap: 3rem;
}

.hero-content {
    text-align: center;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
}

.gradient-text {
    color: var(--primary);
}

.hero-text {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    padding: 1rem 2rem;
    border-radius: var(--radius-lg);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-glow {
    background: var(--primary);
    color: var(--light);
    box-shadow: var(--shadow-primary);
}

.btn-glow:hover {
    transform: translateY(-2px);
    background: var(--primary-dark);
    box-shadow: 0 6px 30px rgba(129, 112, 207, 0.4);
}

.btn-glass {
    background: transparent;
    color: var(--light);
    border: 2px solid var(--primary);
}

.btn-glass:hover {
    background: var(--primary);
    transform: translateY(-2px);
}

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

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Phone Mockup with Health Card */
.hero-visual {
    display: flex;
    justify-content: center;
}

.phone-wrapper {
    position: relative;
}

.phone-device {
    width: 280px;
    height: 560px;
    background: var(--dark-card);
    border-radius: var(--radius-xl);
    padding: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    position: relative;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.app-interface.health-card {
    padding: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: white;
}

.app-interface .app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: white;
    color: black;
    font-size: 12px;
    font-weight: 600;
}

.app-interface .app-time {
    font-weight: 600;
}

.app-interface .app-logo {
    color: var(--primary);
    font-weight: 700;
    font-size: 14px;
}

.app-interface .app-status {
    display: flex;
    gap: 4px;
    font-size: 10px;
}

.pet-health-card {
    flex: 1;
    background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.pet-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    margin-bottom: 16px;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
}

.pet-profile-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid white;
    margin-bottom: 12px;
}

.pet-profile-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.pet-name {
    color: white;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 8px;
}

.pet-badges {
    display: flex;
    gap: 8px;
    margin-bottom: 20px;
}

.badge-cat, .badge-age {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 4px 12px;
    border-radius: 16px;
    font-size: 11px;
    font-weight: 600;
}

.health-stats {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.health-item {
    background: white;
    padding: 12px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.health-icon {
    font-size: 20px;
}

.health-info {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.health-label {
    color: var(--text-muted);
    font-size: 12px;
}

.health-value {
    color: var(--text-dark);
    font-size: 18px;
    font-weight: 700;
}

/* Sections */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: rgba(129, 112, 207, 0.1);
    border: 1px solid var(--primary);
    border-radius: 100px;
    color: var(--primary-light);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2rem;
    font-weight: 700;
}

/* Features */
.features {
    padding: 60px 1rem;
}

.features-grid {
    display: grid;
    gap: 1.5rem;
}

.feature-card {
    background: var(--dark-card);
    padding: 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid transparent;
    transition: var(--transition);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon i {
    font-size: 1.5rem;
    color: var(--light);
}

.feature-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

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

/* How It Works */
.how-it-works {
    padding: 60px 1rem;
    background: var(--dark-lighter);
}

.steps-container {
    display: grid;
    gap: 2rem;
}

.step {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.step-number {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    background: var(--primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--light);
}

.step-content h3 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

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

/* Download Section */
.download {
    padding: 60px 1rem;
}

.download-card {
    background: var(--primary);
    padding: 3rem 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

body.light-mode .download-card {
    box-shadow: var(--shadow-lg);
}

.download-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

.download-content {
    position: relative;
    z-index: 1;
}

.download-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--light);
}

.download-content p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    color: var(--light);
}

.download-buttons {
    margin-bottom: 1rem;
    display: flex;
    justify-content: center;
}

.app-store-badge {
    height: 50px;
    width: auto;
}

/* Footer */
.footer {
    padding: 40px 1rem 20px;
    background: var(--dark-lighter);
    border-top: 1px solid rgba(129, 112, 207, 0.1);
}

.footer-content {
    display: grid;
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-brand h3 {
    color: var(--primary);
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.footer-brand p {
    color: var(--text-secondary);
}

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

.footer-links a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
    border-bottom: 1px solid transparent;
}

.footer-links a:hover {
    color: var(--primary-light);
    border-bottom-color: var(--primary-light);
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: var(--dark-card);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary);
    color: var(--light);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 1.5rem;
    border-top: 1px solid rgba(129, 112, 207, 0.1);
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-legal-links {
    margin-top: 0.5rem;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.footer-legal-links a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal-links a:hover {
    color: var(--primary-light);
}

.separator {
    color: var(--text-muted);
}

.footer-misc-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1rem;
}

.footer-misc-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition);
    cursor: pointer;
}

.footer-misc-links a:hover {
    color: var(--primary);
}

/* Cookie Notice */
.cookie-notice {
    position: fixed;
    bottom: 1rem;
    left: 1rem;
    right: 1rem;
    background: var(--dark-card);
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    display: none;
    z-index: 9998;
    animation: slideUp 0.5s ease;
}

.cookie-notice.show {
    display: block;
}

@keyframes slideUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.cookie-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-align: center;
}

.cookie-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-cookie-accept,
.btn-cookie-reject {
    padding: 0.5rem 1.5rem;
    border-radius: 100px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-cookie-accept {
    background: var(--primary);
    color: var(--light);
}

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

/* =============================================
   TABLET STYLES (768px+)
   ============================================= */
@media (min-width: 768px) {
    .hero-title {
        font-size: 3.5rem;
    }
    
    .hero-buttons {
        flex-direction: row;
        justify-content: center;
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-card {
        padding: 4rem 3rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(3, 1fr);
        align-items: center;
    }
    
    .cookie-content {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        text-align: left;
    }
    
    .lang-toggle {
        padding: 0.5rem 1.25rem;
    }
    
    .theme-toggle {
        width: 42px;
        height: 42px;
        margin-right: 1rem;
    }
}

/* =============================================
   DESKTOP STYLES (1024px+)
   ============================================= */
@media (min-width: 1024px) {
    .mobile-toggle {
        display: none;
    }
    
    .desktop-nav {
        display: flex;
        gap: 2rem;
    }
    
    .desktop-nav a {
        color: var(--text-secondary);
        text-decoration: none;
        font-weight: 500;
        transition: var(--transition);
        position: relative;
    }
    
    .desktop-nav a::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 0;
        width: 0;
        height: 2px;
        background: var(--primary);
        transition: var(--transition);
    }
    
    .desktop-nav a:hover {
        color: var(--text-primary);
    }
    
    .desktop-nav a:hover::after {
        width: 100%;
    }
    
    .hero {
        padding: 120px 2rem 80px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        align-items: center;
        gap: 4rem;
    }
    
    .hero-content {
        text-align: left;
    }
    
    .hero-title {
        font-size: 4.5rem;
    }
    
    .hero-text {
        margin-left: 0;
    }
    
    .hero-buttons {
        justify-content: flex-start;
    }
    
    .phone-device {
        width: 320px;
        height: 640px;
    }
    
    .features-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
    
    .steps-container {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* =============================================
   LARGE DESKTOP STYLES (1440px+)
   ============================================= */
@media (min-width: 1440px) {
    .container {
        max-width: 1280px;
        margin: 0 auto;
        padding: 0 2rem;
    }
    
    .hero-title {
        font-size: 5rem;
    }
    
    .section-title {
        font-size: 3rem;
    }
}