/* ========================================
   TENSEAL LANDING PAGE - COMBINED CSS
   main.css + navbar.css + footer.css + themes.css
   ======================================== */

/* ===== CSS VARIABLES ===== */
:root {
    /* Brand Colors */
    --primary-black: #000000;
    --primary-blue: #10BFFF;
    --dark-blue: #0C2E62;
    --pure-white: #FFFFFF;

    /* Theme Colors - Default (Dark/Brand) */
    --bg-primary: #000000;
    --bg-secondary: #0C2E62;
    --bg-tertiary: rgba(12, 46, 98, 0.2);
    --bg-card: rgba(12, 46, 98, 0.3);
    --bg-hover: rgba(12, 46, 98, 0.4);

    --text-primary: #FFFFFF;
    --text-secondary: rgba(255, 255, 255, 0.8);
    --text-tertiary: rgba(255, 255, 255, 0.6);
    --text-muted: rgba(255, 255, 255, 0.5);

    --border-color: rgba(16, 191, 255, 0.2);
    --border-hover: rgba(16, 191, 255, 0.4);

    --accent-primary: #10BFFF;
    --accent-secondary: #0C2E62;
    --accent-warning: #FBBF24;

    --shadow-sm: 0 2px 8px rgba(16, 191, 255, 0.1);
    --shadow-md: 0 8px 24px rgba(16, 191, 255, 0.15);
    --shadow-lg: 0 20px 60px rgba(16, 191, 255, 0.2);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 50px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --bg-card: #FFFFFF;
    --bg-hover: #F8FAFC;

    --text-primary: #0F172A;
    --text-secondary: #334155;
    --text-tertiary: #64748B;
    --text-muted: #94A3B8;

    --border-color: #E2E8F0;
    --border-hover: #CBD5E1;

    --accent-primary: #10BFFF;
    --accent-secondary: #0C2E62;

    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.08);
    --shadow-md: 0 8px 24px rgba(15, 23, 42, 0.12);
    --shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.15);
}

/* Prevent zoom on mobile input focus */
@media screen and (max-width: 768px) {
    input[type="text"],
    input[type="email"],
    input[type="password"],
    input[type="tel"],
    input[type="number"],
    input[type="search"],
    input[type="url"],
    textarea,
    select {
        font-size: 16px !important;
    }
}

.form-control {
    font-size: 1rem;
}

@media (max-width: 768px) {
    .form-control {
        font-size: 16px;
    }
}

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

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

body {
    font-family: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.625rem); }
h4 { font-size: clamp(1.1rem, 2vw, 1.325rem); }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
}

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

a:hover {
    color: var(--text-primary);
}

/* ===== UTILITY CLASSES ===== */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

.container-narrow {
    max-width: 1400px;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section {
    padding: var(--spacing-2xl) 0;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    text-decoration: none;
    white-space: nowrap;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--accent-primary);
    color: var(--primary-black);
}

.btn-primary:hover {
    background: var(--pure-white);
    color: var(--primary-black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

.btn-outline:hover {
    background: var(--accent-primary);
    color: var(--primary-black);
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

[data-theme="light"] .btn-primary:hover {
    background: var(--accent-secondary);
    color: var(--pure-white);
}

[data-theme="light"] .btn-outline:hover {
    background: var(--accent-primary);
    color: var(--pure-white);
}

/* ===== FORMS ===== */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-control {
    width: 100%;
    padding: 1rem 1.25rem;
    font-family: inherit;
    font-size: 1rem;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    transition: all var(--transition-normal);
    outline: none;
}

.form-control:focus {
    border-color: var(--accent-primary);
    background: var(--bg-card);
    box-shadow: 0 0 0 4px rgba(16, 191, 255, 0.1);
}

.form-control::placeholder {
    color: var(--text-muted);
}

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

.form-error {
    color: #EF4444;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
    display: none;
}

.form-group.error .form-control {
    border-color: #EF4444;
}

.form-group.error .form-error {
    display: block;
}

/* ===== CARDS ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
}

.card:hover {
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.card-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.card-body {
    color: var(--text-secondary);
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.375rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
}

.badge-primary {
    background: rgba(16, 191, 255, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.badge-success {
    background: rgba(34, 197, 94, 0.1);
    border-color: #22C55E;
    color: #22C55E;
}

.badge-warning {
    background: rgba(251, 191, 36, 0.1);
    border-color: #FBBF24;
    color: #FBBF24;
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: #EF4444;
    color: #EF4444;
}

/* ===== GRID SYSTEM ===== */
.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .grid-4,
    .grid-3,
    .grid-2 { grid-template-columns: 1fr; }
}

/* ===== ANIMATIONS ===== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.animate-fadeIn { animation: fadeIn 0.5s ease; }
.animate-fadeInUp { animation: fadeInUp 0.8s ease; }
.animate-fadeInDown { animation: fadeInDown 0.8s ease; }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    html { font-size: 15px; }
    .section { padding: var(--spacing-xl) 0; }
}

@media (max-width: 768px) {
    html { font-size: 14px; }
    .section { padding: var(--spacing-lg) 0; }
    .container { padding: 0 1rem; }
}

@media (max-width: 480px) {
    .btn { width: 100%; justify-content: center; }
}

/* ===== ACCESSIBILITY ===== */
:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--accent-primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--pure-white);
}

/* Hero section responsive */
.hero-section {
    min-height: 100vh !important;
    padding-top: 6rem !important;
    padding-bottom: 3rem !important;
}

@media (max-width: 768px) {
    .hero-section {
        min-height: 100vh !important;
        padding-top: 5rem !important;
        padding-bottom: 2rem !important;
    }
    .hero-title {
        font-size: clamp(1.75rem, 8vw, 2.5rem) !important;
    }
    .hero-subtitle {
        font-size: clamp(0.9rem, 2.5vw, 1rem) !important;
    }
    .trust-badges {
        font-size: 0.8rem !important;
        gap: 1rem !important;
    }
}

@media (max-width: 480px) {
    .hero-section {
        padding-top: 4rem !important;
    }
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    .hero-cta .btn {
        width: 100%;
    }
}

@media (min-width: 1400px) {
    .hero-section {
        padding-top: 8rem !important;
    }
}

/* Select styling */
select.form-control {
    padding-right: 2.5rem;
    font-size: 1rem;
    -moz-appearance: none;
    -webkit-appearance: none;
    appearance: none;
    background-image: url('data:image/svg+xml;utf8,<svg fill="%23FFFFFF" height="20" viewBox="0 0 24 24" width="20" xmlns="http://www.w3.org/2000/svg"><path d="M7 10l5 5 5-5z"/></svg>');
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.5rem;
}


/* ===================================================
   NAVBAR STYLES
   =================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
    box-shadow: var(--shadow-md);
}

[data-theme="light"] .navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 5%;
    max-width: 1400px;
    margin: 0 auto;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    text-decoration: none;
    z-index: 1001;
}

.navbar-logo {
    height: 50px;
    width: auto;
    transition: transform var(--transition-normal);
}

.navbar-brand:hover .navbar-logo {
    transform: scale(1.05);
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    list-style: none;
}

.navbar-menu a {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
    position: relative;
}

.navbar-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: width var(--transition-normal);
}

.navbar-menu a:hover {
    color: var(--accent-primary);
}

.navbar-menu a:hover::after,
.navbar-menu a.active::after {
    width: 100%;
}

.navbar-menu a.active {
    color: var(--accent-primary);
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Theme Toggle Group */
.theme-toggle-group {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.25rem;
}

.theme-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: calc(var(--radius-md) - 2px);
    background: transparent;
    color: var(--text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.theme-toggle-btn.active {
    background: var(--accent-primary);
    color: var(--primary-black);
}

.theme-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-normal);
}

/* Account Dropdown */
.account-dropdown {
    position: relative;
}

.account-trigger {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-primary);
}

.account-trigger:hover {
    border-color: var(--accent-primary);
    background: var(--bg-hover);
}

.account-trigger i {
    font-size: 1rem;
    color: var(--accent-primary);
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 0.5rem);
    right: 0;
    min-width: 200px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.account-dropdown:hover .dropdown-menu,
.dropdown-menu:hover {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
}

.dropdown-menu a:last-child {
    border-bottom: none;
}

.dropdown-menu a:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    padding-left: 1.5rem;
}

.dropdown-menu i {
    width: 18px;
    text-align: center;
    color: var(--accent-primary);
}

/* Auth Buttons */
.auth-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.auth-buttons .btn {
    padding: 0.625rem 1.5rem;
    font-size: 0.875rem;
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 0.5rem;
    z-index: 1001;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.mobile-toggle:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.mobile-toggle span {
    width: 24px;
    height: 3px;
    background: var(--accent-primary);
    border-radius: 2px;
    transition: all var(--transition-normal);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

.mobile-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 400px;
    height: 100vh;
    background: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    padding: 6rem 2rem 2rem;
    transition: right var(--transition-normal);
    overflow-y: auto;
    z-index: 999;
}

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

.mobile-menu-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.mobile-menu-list a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.mobile-menu-list a:hover,
.mobile-menu-list a.active {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    padding-left: 1.5rem;
}

.mobile-menu-list i {
    width: 24px;
    text-align: center;
    color: var(--accent-primary);
}

.mobile-auth {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.mobile-auth .btn {
    width: 100%;
    justify-content: center;
}

.mobile-theme {
    margin-top: 2rem;
}

/* Mobile Overlay */
.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 998;
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}

@media (max-width: 1024px) {
    .navbar-menu { gap: 1.5rem; }
    .navbar-actions { gap: 1rem; }
}

@media (max-width: 768px) {
    .navbar-container { padding: 1rem; }
    .navbar-logo { height: 40px; }
    .navbar-menu,
    .navbar-actions,
    .theme-switcher { display: none; }
    .mobile-toggle { display: flex; }
    .auth-buttons { display: none; }
}

@media (max-width: 480px) {
    .mobile-menu { max-width: 100%; border-left: none; }
    .navbar-logo { height: 35px; }
}

/* Page Offset for Fixed Navbar */
body {
    padding-top: 80px;
}

@media (max-width: 768px) {
    body { padding-top: 70px; }
}

/* Desktop Dropdown Menu */
.nav-dropdown {
    position: relative;
}

.dropdown-trigger {
    cursor: pointer;
    display: flex;
    align-items: center;
}

.dropdown-content {
    position: absolute;
    top: calc(100% + 0.5rem);
    left: -1rem;
    min-width: 250px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-normal);
    list-style: none;
    padding: 0.5rem 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.dropdown-content::before {
    content: '';
    position: absolute;
    top: -10px;
    left: 0;
    right: 0;
    height: 10px;
    background: transparent;
}

[data-theme="dark"] .dropdown-content,
:root:not([data-theme="light"]) .dropdown-content {
    background: rgba(12, 46, 98, 0.98);
    border-color: rgba(16, 191, 255, 0.3);
}

[data-theme="light"] .dropdown-content {
    background: rgba(255, 255, 255, 0.98);
    border-color: rgba(226, 232, 240, 0.8);
}

.nav-dropdown:hover .dropdown-content {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-content li { margin: 0; }

.dropdown-content a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 1.25rem;
    color: var(--text-primary) !important;
    text-decoration: none;
    transition: all var(--transition-fast);
    font-size: 0.9rem;
    font-weight: 500;
}

.dropdown-content a::after {
    display: none !important;
}

.dropdown-content a:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary) !important;
    padding-left: 1.5rem;
}

.dropdown-content a.active {
    color: var(--text-primary) !important;
    background: transparent;
}

.dropdown-content a:hover.active {
    color: var(--accent-primary) !important;
    background: var(--bg-tertiary);
}

.dropdown-content i {
    width: 18px;
    text-align: center;
    color: var(--accent-primary);
    font-size: 0.9rem;
}

/* Mobile submenu */
.mobile-has-submenu > a::after {
    content: '\f078';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    margin-left: auto;
    font-size: 0.75rem;
    transition: transform var(--transition-normal);
}

.mobile-has-submenu.active > a::after {
    transform: rotate(180deg);
}

.mobile-submenu {
    list-style: none;
    padding-left: 0;
    margin: 0.5rem 1.25rem;
    display: none;
    background: rgba(16, 191, 255, 0.05);
    border-left: 3px solid var(--accent-primary);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.mobile-has-submenu.active .mobile-submenu {
    display: block;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.mobile-submenu li { margin: 0; }

.mobile-submenu a {
    font-size: 0.9rem;
    padding: 0.875rem 1.25rem !important;
    color: var(--text-tertiary);
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(16, 191, 255, 0.1);
}

.mobile-submenu li:last-child a {
    border-bottom: none;
}

.mobile-submenu a:hover {
    color: var(--accent-primary);
    background: rgba(16, 191, 255, 0.1) !important;
    padding-left: 1.5rem !important;
}

@media (max-width: 768px) {
    .nav-dropdown { display: none; }
}

/* Scroll offset for anchor links */
html {
    scroll-padding-top: 120px;
}

@media (max-width: 768px) {
    html { scroll-padding-top: 100px; }
}

section[id] {
    scroll-margin-top: 120px;
}

@media (max-width: 768px) {
    section[id] { scroll-margin-top: 100px; }
}

/* Mobile submenu toggle button */
.submenu-toggle {
    background: rgba(16, 191, 255, 0.1);
    border: 1px solid rgba(16, 191, 255, 0.3);
    border-radius: var(--radius-sm);
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.submenu-toggle:hover {
    background: rgba(16, 191, 255, 0.2);
    border-color: var(--accent-primary);
}

.submenu-toggle i {
    transition: transform var(--transition-normal);
}

.mobile-has-submenu > div {
    cursor: default;
}

.mobile-has-submenu > div:hover {
    background: transparent;
}

/* Mobile theme section */
.mobile-theme-section {
    background: rgba(16, 191, 255, 0.03);
    pointer-events: auto;
}

.mobile-theme-section .theme-switcher {
    display: flex;
    gap: 0;
    width: 100%;
    pointer-events: auto;
}

.mobile-theme-section .theme-option {
    flex: 1;
    padding: 0.75rem 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer !important;
    pointer-events: auto !important;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    user-select: none;
    border-radius: 0;
    color: var(--text-secondary);
    background: transparent;
    border: none;
    transition: all var(--transition-fast);
    -webkit-tap-highlight-color: rgba(16, 191, 255, 0.2);
}

.mobile-theme-section .theme-option i {
    color: var(--text-muted);
    width: auto;
}

.mobile-theme-section .theme-option.active {
    color: var(--accent-primary);
    background: rgba(16, 191, 255, 0.1);
    font-weight: 700;
    border-radius: var(--radius-sm);
}

.mobile-theme-section .theme-option.active i {
    color: var(--accent-primary);
}

.mobile-theme-section .theme-option:hover {
    color: var(--accent-primary);
    background: rgba(16, 191, 255, 0.08);
}

.mobile-theme-section .theme-option:active {
    transform: scale(0.96);
}


/* ===================================================
   FOOTER STYLES
   =================================================== */

.footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2rem;
    margin-top: 0;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 5%;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    max-width: 350px;
}

.footer-logo {
    height: 45px;
    width: auto;
    margin-bottom: 1.5rem;
}

.footer-mission {
    font-size: 0.95rem;
    color: var(--text-tertiary);
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

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

.footer-payments img {
    height: 40px;
    width: auto;
    opacity: 0.4;
    filter: brightness(0.9);
    transition: opacity 0.3s ease;
}

.footer-payments img:hover {
    opacity: 0.7;
    filter: brightness(1);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--accent-primary);
    transition: all var(--transition-normal);
    font-size: 1.125rem;
}

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

.footer-column h4 {
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

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

.footer-links a {
    font-size: 0.95rem;
    color: var(--text-tertiary);
    text-decoration: none;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-links a:hover {
    color: var(--accent-primary);
    padding-left: 0.5rem;
}

.footer-links i {
    font-size: 0.875rem;
    width: 16px;
}

.footer-contact {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-tertiary);
}

.contact-item i {
    width: 20px;
    color: var(--accent-primary);
    margin-top: 0.25rem;
}

.contact-item a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

.footer-bottom-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.footer-bottom-links a {
    font-size: 0.875rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
        gap: 2.5rem;
    }
    .footer-column:last-child {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .footer { padding: 3rem 0 1.5rem; }
    .footer-container { padding: 0 1rem; }
    .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .footer-brand { max-width: 100%; }
    .footer-column:last-child { grid-column: auto; }
    .footer-bottom { flex-direction: column; text-align: center; gap: 1.5rem; }
    .footer-bottom-links { flex-direction: column; gap: 0.75rem; }
}

@media (max-width: 480px) {
    .footer-logo { height: 38px; }
    .footer-social { justify-content: flex-start; }
    .social-link { width: 36px; height: 36px; font-size: 1rem; }
}


/* ===================================================
   THEME-SPECIFIC STYLES
   =================================================== */

/* Animated Background Gradient */
.gradient-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 1;
    transition: opacity var(--transition-normal);
}

[data-theme="dark"] .gradient-bg,
:root:not([data-theme="light"]) .gradient-bg {
    background: linear-gradient(-45deg, #000000, #0C2E62, #001a3d, #000000);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

[data-theme="light"] .gradient-bg {
    background: linear-gradient(-45deg, #FFFFFF, #F8FAFC, #E0F2FE, #FFFFFF);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Floating Particles */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    opacity: 0.15;
    pointer-events: none;
}

[data-theme="light"] .particles {
    opacity: 0.08;
}

.particle {
    position: absolute;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: float-particles 20s infinite ease-in-out;
}

@keyframes float-particles {
    0%, 100% { transform: translateY(0px) translateX(0px); }
    25% { transform: translateY(-50px) translateX(30px); }
    50% { transform: translateY(-100px) translateX(-20px); }
    75% { transform: translateY(-50px) translateX(-40px); }
}

/* Glass Morphism */
.glass {
    background: rgba(12, 46, 98, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(16, 191, 255, 0.1);
}

[data-theme="light"] .glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(226, 232, 240, 0.8);
}

/* Glow Effects */
.glow-primary {
    box-shadow: 0 0 20px rgba(16, 191, 255, 0.3);
}

.glow-primary:hover {
    box-shadow: 0 0 30px rgba(16, 191, 255, 0.5);
}

.text-glow {
    text-shadow: 0 0 20px rgba(16, 191, 255, 0.5);
}

/* Hero Gradient Text Animation */
.animated-gradient-text {
    background: linear-gradient(
        90deg,
        var(--accent-primary) 0%,
        var(--pure-white) 25%,
        var(--accent-primary) 50%,
        var(--pure-white) 75%,
        var(--accent-primary) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientTextShift 3s linear infinite;
}

@keyframes gradientTextShift {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}

[data-theme="light"] .animated-gradient-text {
    background: linear-gradient(
        90deg,
        var(--accent-primary) 0%,
        var(--accent-secondary) 25%,
        var(--accent-primary) 50%,
        var(--accent-secondary) 75%,
        var(--accent-primary) 100%
    );
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientTextShift 3s linear infinite;
}

/* Shimmer Effect */
.shimmer {
    position: relative;
    overflow: hidden;
}

.shimmer::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(16, 191, 255, 0.2) 50%,
        transparent 100%
    );
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

/* Smooth Theme Transition */
* {
    transition-property: background-color, border-color, color, fill, stroke;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}

.preload * {
    transition: none !important;
}

/* Dark Theme Hero Enhancement */
[data-theme="dark"] .hero-section,
:root:not([data-theme="light"]) .hero-section {
    position: relative;
}

[data-theme="dark"] .hero-section::before,
:root:not([data-theme="light"]) .hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(
        circle at 50% 50%,
        rgba(16, 191, 255, 0.1) 0%,
        transparent 70%
    );
    pointer-events: none;
}

/* Light Theme Card Shadows */
[data-theme="light"] .card {
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.08);
}

[data-theme="light"] .card:hover {
    box-shadow: 0 8px 24px rgba(15, 23, 42, 0.12);
}

/* Selection Colors */
::selection {
    background: var(--accent-primary);
    color: var(--primary-black);
}

::-moz-selection {
    background: var(--accent-primary);
    color: var(--primary-black);
}

/* Loading States */
.loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--accent-primary);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(
        90deg,
        var(--bg-tertiary) 0%,
        var(--bg-hover) 50%,
        var(--bg-tertiary) 100%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Tooltip */
[data-tooltip] {
    position: relative;
    cursor: help;
}

[data-tooltip]::before {
    content: attr(data-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(-5px);
    padding: 0.5rem 0.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 1000;
    pointer-events: none;
}

[data-tooltip]:hover::before {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

/* Print Styles */
@media print {
    .navbar,
    .footer,
    .theme-switcher,
    .mobile-toggle,
    .particles,
    .gradient-bg {
        display: none !important;
    }
    body {
        background: white !important;
        color: black !important;
        padding-top: 0 !important;
    }
    .card {
        break-inside: avoid;
    }
}