/* ========================================
   CSS VARIABLES - BRAND COLORS
======================================== */
:root {
    /* Brand Colors */
    --brand-primary: #ff914d;
    --brand-primary-dark: #ff711a;
    --brand-primary-light: #fff6ed;

    --brand-dark: #11222C;
    --brand-dark-secondary: #1a3240;

    --brand-light: #F6F6F6;
    --brand-gray: #343a40;
    --brand-gray-light: #6c757d;

    /* Additional Colors */
    --white: #ffffff;
    --black: #000000;

    --success: #12b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #4dbbfe;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #ff914d 0%, #ff711a 100%);
    --gradient-hero: linear-gradient(135deg, rgba(255,145,77,0.1) 0%, rgba(77,187,254,0.1) 100%);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 16px 64px rgba(0, 0, 0, 0.2);

    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-2xl: 64px;
    --spacing-3xl: 96px;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

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

    /* Light Mode (Default) */
    --bg-primary: #ffffff;
    --bg-secondary: #F6F6F6;
    --text-primary: #11222C;
    --text-secondary: #343a40;
    --text-tertiary: #6c757d;
    --border-color: rgba(17, 34, 44, 0.1);
    --card-bg: #ffffff;
    --header-bg: rgba(255, 255, 255, 0.98);
}

/* Dark Mode */
[data-theme="dark"] {
    --bg-primary: #0f1419;
    --bg-secondary: #1a1f28;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --text-tertiary: #6b7280;
    --border-color: rgba(255, 255, 255, 0.1);
    --card-bg: #1a1f28;
    --header-bg: rgba(17, 24, 28, 0.98);

    --brand-dark: #e5e7eb;
    --brand-gray: #9ca3af;
    --brand-gray-light: #6b7280;
    --white: #1a1f28;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-secondary);
    background: var(--bg-primary);
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--brand-dark);
}

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

button {
    font-family: inherit;
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

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

/* ========================================
   CONTAINER
======================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 clamp(16px, 3vw, 24px);
}

/* ========================================
   SCROLL PROGRESS BAR
======================================== */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 4px;
    background: linear-gradient(90deg, #ff914d 0%, #4dbbfe 50%, #fee94d 100%);
    z-index: 9999;
    transition: width 0.1s ease;
}

/* ========================================
   HEADER
======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--header-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
}

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

/* Logo */
.nav-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #ff914d, #4dbbfe);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.logo-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.logo-text {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, #ff914d, #4dbbfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    font-family: 'Poppins', sans-serif;
}

.logo-tagline {
    font-size: 11px;
    color: var(--text-tertiary);
    font-weight: 500;
    line-height: 1;
}

/* Desktop Navigation */
.nav-links {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    white-space: nowrap;
}

.nav-link:hover {
    color: var(--brand-primary);
    background: var(--bg-secondary);
}

.nav-link i {
    font-size: 14px;
}

/* Dropdown Navigation */
.nav-dropdown {
    position: relative;
    /* Add padding at bottom to bridge gap between toggle and menu */
    padding-bottom: 0.5rem;
}

.dropdown-toggle {
    cursor: pointer;
}

.dropdown-icon {
    font-size: 10px;
    transition: transform 0.3s ease;
    margin-left: 0.2rem;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    /* Remove margin-top to eliminate gap */
    margin-top: 0;
}

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

.nav-dropdown:hover .dropdown-icon,
.nav-dropdown.active .dropdown-icon {
    transform: rotate(180deg);
}

/* Keep dropdown open when hovering over menu */
.dropdown-menu:hover {
    opacity: 1;
    visibility: visible;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

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

.dropdown-item:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.dropdown-item:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.dropdown-item:hover {
    background: var(--bg-secondary);
    color: var(--brand-primary);
    padding-left: 1.2rem;
}

.dropdown-item i {
    font-size: 14px;
    width: 18px;
    text-align: center;
}

/* Nav Actions */
.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-size: 15px;
    font-weight: 600;
    font-family: inherit;
    line-height: 1;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    white-space: nowrap;
}

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

.btn-primary {
    background: #ff914d;
    color: white;
    box-shadow: 0 2px 8px rgba(255, 145, 77, 0.3);
}

.btn-primary:hover:not(:disabled) {
    background: #ff711a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 145, 77, 0.4);
}

.btn-outline {
    background: transparent;
    color: #ff914d;
    border: 2px solid #ff914d;
}

.btn-outline:hover:not(:disabled) {
    background: rgba(255, 145, 77, 0.1);
    transform: translateY(-2px);
}

/* Ensure button colors remain consistent in dark mode */
[data-theme="dark"] .btn-primary {
    background: #ff914d;
    color: white;
    box-shadow: 0 2px 8px rgba(255, 145, 77, 0.3);
}

[data-theme="dark"] .btn-primary:hover:not(:disabled) {
    background: #ff711a;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 145, 77, 0.4);
}

[data-theme="dark"] .btn-outline {
    background: transparent;
    color: #ff914d;
    border: 2px solid #ff914d;
}

[data-theme="dark"] .btn-outline:hover:not(:disabled) {
    background: rgba(255, 145, 77, 0.1);
    transform: translateY(-2px);
}

.btn-full-width {
    width: 100%;
}

/* Theme Toggle */
.theme-toggle {
    position: relative;
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

[data-theme="dark"] .theme-toggle {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

.theme-toggle:hover {
    border-color: var(--brand-primary);
    background: rgba(255, 145, 77, 0.1);
}

.theme-icon {
    position: absolute;
    font-size: 18px;
    color: #ff914d;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.theme-icon-light {
    opacity: 1;
}

.theme-icon-dark {
    opacity: 0;
}

[data-theme="dark"] .theme-icon-light {
    opacity: 0;
}

[data-theme="dark"] .theme-icon-dark {
    opacity: 1;
}

/* Mobile Toggle */
.mobile-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 12px;
    cursor: pointer;
    align-items: center;
    justify-content: center;
    color: var(--brand-primary);
    font-size: 20px;
}

[data-theme="dark"] .mobile-menu-toggle {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
}

/* Mobile Menu */
.mobile-menu {
    display: none;
    padding: 16px 20px;
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.mobile-menu.active,
.mobile-menu.show {
    display: block;
}

.mobile-menu-dropdown {
    margin-bottom: 4px;
}

.mobile-menu-dropdown-toggle {
    width: 100%;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
}

.mobile-dropdown-icon {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    transition: transform 0.3s ease;
}

.mobile-menu-dropdown.active .mobile-dropdown-icon {
    transform: translateY(-50%) rotate(180deg);
}

.mobile-submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: var(--bg-secondary);
    border-radius: 8px;
    margin-top: 4px;
    margin-bottom: 8px;
}

.mobile-menu-dropdown.active .mobile-submenu {
    max-height: 500px;
    padding: 8px 0;
}

.mobile-submenu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: all 0.2s ease;
}

.mobile-submenu-link i {
    font-size: 14px;
    width: 18px;
    text-align: center;
    color: var(--brand-primary);
}

.mobile-submenu-link:hover {
    background: rgba(255, 145, 77, 0.1);
    color: var(--brand-primary);
    padding-left: 24px;
}

.mobile-menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 15px;
    border-radius: 8px;
    margin-bottom: 4px;
    transition: all 0.2s ease;
}

.mobile-menu-link i {
    font-size: 16px;
    width: 20px;
    text-align: center;
    color: var(--brand-primary);
}

.mobile-menu-link:hover {
    background: var(--bg-secondary);
    color: var(--brand-primary);
    padding-left: 16px;
}

.mobile-menu-link:last-of-type {
    border-bottom: none;
}

.mobile-menu-auth {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #ff914d, #ff711a);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 20px;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(255, 145, 77, 0.4);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.8);
    z-index: 999;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.scroll-to-top:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 12px 28px rgba(255, 145, 77, 0.5);
}

.scroll-to-top:active {
    transform: translateY(-2px) scale(0.95);
}

.scroll-to-top i {
    animation: bounce-arrow 2s infinite;
}

@keyframes bounce-arrow {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-6px);
    }
    60% {
        transform: translateY(-3px);
    }
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.modal.active {
    display: flex;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    animation: fadeIn 0.3s ease;
}

.modal-content {
    position: relative;
    background: var(--card-bg);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 480px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease;
    z-index: 1;
}

.auth-modal {
    padding: 48px;
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.05);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    color: var(--text-secondary);
}

[data-theme="dark"] .modal-close {
    background: rgba(255, 255, 255, 0.05);
}

.modal-close:hover {
    background: rgba(255, 145, 77, 0.1);
    color: var(--brand-primary);
    transform: rotate(90deg);
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h2 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.auth-header p {
    color: var(--text-tertiary);
    font-size: 14px;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input {
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(255, 145, 77, 0.1);
}

.form-error {
    font-size: 13px;
    color: var(--error);
    min-height: 18px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.checkbox-label a {
    color: var(--brand-primary);
    text-decoration: underline;
}

.auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
}

.auth-footer p {
    font-size: 14px;
    color: var(--text-tertiary);
}

.auth-footer a {
    color: var(--brand-primary);
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
}

.auth-footer a:hover {
    text-decoration: underline;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   HERO SECTION
======================================== */
.hero {
    position: relative;
    padding: 120px 0 var(--spacing-3xl);
    overflow: hidden;
    min-height: 95vh;
    display: flex;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

/* Animated Gradient Orbs */
.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.25;
    animation: float 25s ease-in-out infinite;
}

.orb-1 {
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, #ff914d 0%, transparent 70%);
    top: -250px;
    left: -250px;
    animation-delay: 0s;
}

.orb-2 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #4dbbfe 0%, transparent 70%);
    bottom: -200px;
    right: -200px;
    animation-delay: 8s;
}

.orb-3 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #914dfe 0%, transparent 70%);
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: 16s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    25% {
        transform: translate(120px, -120px) scale(1.15);
    }
    50% {
        transform: translate(-80px, -80px) scale(0.95);
    }
    75% {
        transform: translate(-120px, 120px) scale(1.08);
    }
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        linear-gradient(rgba(17, 34, 44, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(17, 34, 44, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.4;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 145, 77, 0.15);
    border: 2px solid rgba(255, 145, 77, 0.3);
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-size: 15px;
    font-weight: 600;
    color: var(--brand-primary);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease;
    box-shadow: 0 4px 20px rgba(255, 145, 77, 0.15);
}

.hero-badge i {
    font-size: 18px;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.2) rotate(180deg);
        opacity: 0.8;
    }
}

.hero-title {
    font-size: 68px;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.6s ease 0.1s backwards;
    letter-spacing: -1px;
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    position: relative;
}

.hero-description {
    font-size: 22px;
    line-height: 1.7;
    color: var(--brand-gray);
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.2s backwards;
    max-width: 850px;
    margin-left: auto;
    margin-right: auto;
}

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

/* ========================================
   UPLOAD SECTION
======================================== */
.upload-section {
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.3s backwards;
}

.upload-area {
    background: var(--card-bg);
    border: 3px dashed rgba(255, 145, 77, 0.4);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl) var(--spacing-xl);
    cursor: pointer;
    transition: all 0.4s ease;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

.upload-area:hover {
    border-color: var(--brand-primary);
    background: rgba(255, 145, 77, 0.03);
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(255, 145, 77, 0.15);
}

.upload-area.drag-over {
    border-color: var(--brand-primary);
    background: rgba(255, 145, 77, 0.08);
    transform: scale(1.02);
    box-shadow: 0 20px 60px rgba(255, 145, 77, 0.2);
}

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

.upload-icon {
    font-size: 72px;
    color: var(--brand-primary);
    margin-bottom: var(--spacing-md);
    animation: bounce 2.5s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-15px);
    }
}

.upload-title {
    font-size: 26px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--brand-dark);
}

.upload-text {
    color: var(--brand-gray);
    margin-bottom: var(--spacing-lg);
    font-size: 17px;
    line-height: 1.6;
}

.upload-limit {
    font-size: 14px;
    color: var(--brand-gray-light);
}

.upload-btn {
    background: var(--gradient-primary);
    color: var(--white);
    padding: 18px 48px;
    border-radius: var(--radius-full);
    font-size: 18px;
    font-weight: 600;
    box-shadow: 0 8px 30px rgba(255, 145, 77, 0.3);
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.upload-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(255, 145, 77, 0.4);
}

.upload-btn i {
    font-size: 20px;
}

/* Hero Mini Badges */
.hero-badges {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
    animation: fadeInUp 0.6s ease 0.4s backwards;
}

.hero-mini-badge {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--white);
    padding: 10px 20px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    color: var(--brand-gray);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-base);
}

.hero-mini-badge:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.hero-mini-badge i {
    font-size: 16px;
    color: var(--brand-primary);
}

/* ========================================
   HERO STATS
======================================== */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    animation: fadeInUp 0.6s ease 0.5s backwards;
}

.stat {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    border: 1px solid rgba(17, 34, 44, 0.05);
}

.stat:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(255, 145, 77, 0.3);
}

.stat-number {
    font-size: 36px;
    font-weight: 800;
    color: var(--brand-primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.stat-number i {
    font-size: 24px;
}

.stat-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--brand-gray-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========================================
   SECTION HEADERS
======================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.section-badge {
    display: inline-block;
    background: rgba(255, 145, 77, 0.12);
    color: var(--brand-primary);
    padding: 10px 24px;
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--spacing-md);
    border: 2px solid rgba(255, 145, 77, 0.2);
}

.section-title {
    font-size: 52px;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.5px;
}

.section-description {
    font-size: 20px;
    color: var(--brand-gray-light);
    max-width: 750px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ========================================
   FEATURES SECTION
======================================== */
.features {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.feature-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(17, 34, 44, 0.08);
    transition: all 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    border-color: rgba(255, 145, 77, 0.3);
}

.feature-icon {
    width: 68px;
    height: 68px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.feature-icon i {
    font-size: 30px;
    color: var(--white);
}

.feature-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.feature-description {
    color: var(--brand-gray-light);
    line-height: 1.7;
    font-size: 15px;
}

/* ========================================
   HOW IT WORKS SECTION
======================================== */
.how-it-works {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, rgba(255, 145, 77, 0.03) 0%, rgba(77, 187, 254, 0.03) 100%);
}

.steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.step {
    flex: 1;
    max-width: 320px;
    text-align: center;
    position: relative;
}

.step-number {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 44px;
    height: 44px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 20px;
    box-shadow: 0 8px 24px rgba(255, 145, 77, 0.4);
    border: 3px solid var(--white);
}

.step-icon {
    width: 130px;
    height: 130px;
    margin: 0 auto var(--spacing-md);
    background: var(--white);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
}

.step:hover .step-icon {
    transform: scale(1.08);
    box-shadow: 0 20px 60px rgba(255, 145, 77, 0.2);
}

.step-icon i {
    font-size: 52px;
    color: var(--brand-primary);
}

.step-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.step-description {
    color: var(--brand-gray-light);
    line-height: 1.7;
}

.step-connector {
    font-size: 36px;
    color: var(--brand-primary);
    opacity: 0.25;
}

.cta-center {
    text-align: center;
}

/* ========================================
   USE CASES SECTION
======================================== */
.use-cases {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.use-case-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(17, 34, 44, 0.08);
    text-align: center;
    transition: all 0.4s ease;
}

.use-case-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border-color: rgba(255, 145, 77, 0.3);
}

.use-case-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px rgba(255, 145, 77, 0.3);
}

.use-case-icon i {
    font-size: 36px;
    color: var(--white);
}

.use-case-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.use-case-description {
    color: var(--brand-gray-light);
    line-height: 1.7;
}

/* ========================================
   COMPARISON SECTION
======================================== */
.comparison {
    padding: var(--spacing-3xl) 0;
    background: var(--brand-light);
}

.comparison-table {
    background: var(--white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.comparison-row {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1fr 1fr 1fr;
    border-bottom: 1px solid rgba(17, 34, 44, 0.1);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row.header {
    background: var(--brand-dark);
    color: var(--white);
    font-weight: 700;
}

.comparison-cell {
    padding: var(--spacing-md) var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    font-size: 15px;
}

.comparison-cell.feature-cell {
    justify-content: flex-start;
    font-weight: 600;
    padding-left: var(--spacing-lg);
}

.comparison-cell.highlight {
    background: rgba(255, 145, 77, 0.08);
    font-weight: 700;
    color: var(--brand-primary);
}

.comparison-cell i.fa-check {
    color: var(--success);
    font-size: 22px;
    margin-right: 6px;
}

.comparison-cell i.fa-times {
    color: var(--error);
    font-size: 22px;
}

.our-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
}

.our-brand i {
    color: var(--brand-primary);
    font-size: 20px;
}

.comparison-cta {
    text-align: center;
    margin-top: var(--spacing-xl);
}

.comparison-text {
    font-size: 18px;
    color: var(--brand-gray);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

/* ========================================
   FAQ SECTION
======================================== */
.faq-section {
    padding: var(--spacing-3xl) 0;
    background: var(--white);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.faq-item {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-xl);
    border: 2px solid rgba(17, 34, 44, 0.08);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(255, 145, 77, 0.3);
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.faq-question i {
    font-size: 24px;
    color: var(--brand-primary);
    flex-shrink: 0;
    margin-top: 2px;
}

.faq-question h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--brand-dark);
}

.faq-answer p {
    color: var(--brand-gray-light);
    line-height: 1.7;
}

.faq-answer strong {
    color: var(--brand-primary);
    font-weight: 600;
}

/* ========================================
   CTA SECTION
======================================== */
.cta-section {
    padding: var(--spacing-3xl) 0;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #ff914d 0%, #4dbbfe 50%, #fee94d 100%);
    z-index: 0;
}

[data-theme="dark"] .cta-bg {
    background: linear-gradient(135deg, #ff914d 0%, #4dbbfe 50%, #fee94d 100%) !important;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 3.5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    color: white;
    line-height: 1.2;
}

.gradient-text-light {
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.cta-content p {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xl);
    color: white;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.btn-lg {
    padding: 16px 40px;
    font-size: 1.125rem;
}

.btn-white {
    background: white;
    color: #ff914d;
    border: 2px solid white;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.btn-white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

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

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

[data-theme="dark"] .btn-white {
    background: #ff914d !important;
    color: white !important;
    border: 2px solid #ff914d !important;
    box-shadow: 0 8px 24px rgba(255, 145, 77, 0.4);
}

[data-theme="dark"] .btn-white:hover {
    background: #ff711a !important;
    color: white !important;
    border: 2px solid #ff711a !important;
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(255, 145, 77, 0.6);
}

[data-theme="dark"] .btn-outline-white {
    background: white !important;
    color: #ff914d !important;
    border: 2px solid white !important;
}

[data-theme="dark"] .btn-outline-white:hover {
    background: #f9fafb !important;
    color: #ff914d !important;
    border: 2px solid #f9fafb !important;
    transform: translateY(-2px);
}

.cta-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.cta-stats .stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    background: transparent !important;
    padding: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
}

.cta-stats .stat:hover {
    transform: none !important;
    box-shadow: none !important;
}

.cta-stats .stat-number {
    font-size: 32px;
    font-weight: 800;
    color: white !important;
    margin-bottom: 4px;
    display: block;
}

.cta-stats .stat-label {
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8) !important;
    display: block;
}

/* ========================================
   FOOTER
======================================== */
.footer {
    background: var(--brand-dark);
    color: var(--white);
    padding: var(--spacing-2xl) 0 var(--spacing-lg);
}

[data-theme="dark"] .footer {
    background: #0a0f14;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1.2fr 0.9fr 0.9fr 1.5fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    align-items: start;
}

/* Section 1: Branding */
.footer-brand {
    padding-right: var(--spacing-md);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: var(--spacing-md);
}

.footer-logo-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #ff914d, #4dbbfe);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -4px rgba(0, 0, 0, 0.2);
}

.footer-logo-content {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.footer-logo-text {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, #ff914d, #4dbbfe);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    font-family: 'Poppins', sans-serif;
}

.footer-logo-tagline {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1;
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
    font-size: 15px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
}

.social-link {
    width: 44px;
    height: 44px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
    font-size: 18px;
    color: #ffffff !important;
}

.social-link i {
    color: #ffffff !important;
}

.social-link:hover {
    background: var(--brand-primary);
    transform: translateY(-4px);
    box-shadow: 0 8px 20px rgba(255, 145, 77, 0.3);
}

.social-link:hover i {
    color: #ffffff !important;
}

/* Footer Columns */
.footer-column {
    min-width: 0;
}

.footer-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: #ffffff !important;
}

[data-theme="dark"] .footer-title {
    color: #ffffff !important;
}

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

.footer-list li {
    margin-bottom: 12px;
}

.footer-list a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition-base);
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
}

.footer-list a i {
    font-size: 14px;
    color: var(--brand-primary);
    width: 18px;
    transition: var(--transition-base);
}

.footer-list a:hover {
    color: var(--brand-primary);
    padding-left: 6px;
}

.footer-list a:hover i {
    transform: translateX(3px);
}

/* Section 5: CTA Section */
.footer-cta {
    background: rgba(30, 41, 59, 0.5);
    padding: var(--spacing-lg) var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-base);
}

[data-theme="dark"] .footer-cta {
    background: rgba(20, 28, 40, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-cta:hover {
    background: rgba(30, 41, 59, 0.7);
    border-color: rgba(255, 145, 77, 0.3);
}

[data-theme="dark"] .footer-cta:hover {
    background: rgba(20, 28, 40, 0.8);
}

.footer-cta-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: #ffffff !important;
}

[data-theme="dark"] .footer-cta-title {
    color: #ffffff !important;
}

.footer-cta-text {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
    line-height: 1.6;
    max-width: 100%;
}

.footer-cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--gradient-primary);
    color: var(--white) !important;
    padding: 12px 28px;
    border-radius: var(--radius-full);
    font-size: 15px;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(255, 145, 77, 0.3);
    transition: var(--transition-base);
    width: 100%;
    max-width: 180px;
}

.footer-cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 145, 77, 0.4);
}

.footer-cta-button i {
    font-size: 14px;
    transition: var(--transition-base);
}

.footer-cta-button:hover i {
    transform: translateX(3px);
}

/* Footer Bottom */
.footer-bottom {
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-bottom i {
    color: var(--brand-primary);
    margin: 0 4px;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% {
        transform: scale(1);
    }
    25% {
        transform: scale(1.1);
    }
    50% {
        transform: scale(1);
    }
}

/* ========================================
   RESPONSIVE DESIGN
======================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 52px;
    }

    .section-title {
        font-size: 40px;
    }

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

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

    .comparison-row {
        grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    }

    .faq-grid {
        grid-template-columns: 1fr;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
        padding-bottom: var(--spacing-lg);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin-bottom: var(--spacing-lg);
    }

    .footer-social {
        justify-content: center;
    }

    .footer-cta {
        grid-column: 1 / -1;
    }
}

/* Ensure mobile toggle is hidden on desktop */
@media (min-width: 993px) {
    .mobile-menu-toggle {
        display: none !important;
    }
}

@media (max-width: 992px) {
    .nav-links {
        display: none;
    }

    .nav-actions .btn-outline,
    .nav-actions .btn-primary {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--card-bg);
        border-top: 1px solid var(--border-color);
        box-shadow: var(--shadow-xl);
        padding: 0 clamp(16px, 3vw, 24px);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }

    .mobile-menu.show {
        max-height: 800px;
        padding: 16px clamp(16px, 3vw, 24px);
    }
}

@media (max-width: 768px) {
    .nav-actions .btn-outline,
    .nav-actions .btn-primary {
        display: none;
    }

    .modal-content {
        padding: 2rem;
    }

    .hero {
        padding: calc(var(--spacing-2xl) + 80px) 0 var(--spacing-2xl);
        min-height: auto;
    }

    .hero-title {
        font-size: 38px;
    }

    .hero-description {
        font-size: 17px;
    }

    .upload-area {
        padding: var(--spacing-xl) var(--spacing-md);
    }

    .upload-icon {
        font-size: 56px;
    }

    .upload-title {
        font-size: 22px;
    }

    .hero-badges {
        gap: var(--spacing-sm);
    }

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

    .section-title {
        font-size: 32px;
    }

    .section-description {
        font-size: 17px;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .steps {
        flex-direction: column;
    }

    .step-connector {
        transform: rotate(90deg);
    }

    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .comparison-row {
        grid-template-columns: 1fr;
    }

    .comparison-cell {
        padding: var(--spacing-sm);
        border-bottom: 1px solid rgba(17, 34, 44, 0.1);
    }

    .comparison-cell.feature-cell {
        font-weight: 700;
        background: rgba(17, 34, 44, 0.03);
    }

    .cta-title {
        font-size: 36px;
    }

    .cta-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

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

    .footer-brand,
    .footer-column,
    .footer-cta {
        grid-column: 1;
        text-align: center;
    }

    .footer-brand {
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        padding-bottom: var(--spacing-lg);
        margin-bottom: var(--spacing-lg);
    }

    .footer-list a {
        justify-content: center;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 32px;
    }

    .hero-badges {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-mini-badge {
        justify-content: center;
    }

    .upload-btn {
        padding: 16px 36px;
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .cta-button.large {
        padding: 18px 40px;
        font-size: 17px;
    }
}

/* ========================================
   UTILITIES
======================================== */
.hidden {
    display: none !important;
}

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

/* ========================================
   AUTHENTICATION BUTTONS
======================================== */
.btn-auth {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 2px solid rgba(255, 255, 255, 0.2);
    background: transparent;
    color: white;
    font-family: inherit;
}

.btn-auth:hover {
    transform: translateY(-2px);
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.1);
}

.btn-auth-primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-auth-primary:hover {
    box-shadow: 0 6px 16px rgba(102, 126, 234, 0.4);
    border-color: transparent;
}

[data-theme="dark"] .btn-auth {
    border-color: rgba(255, 255, 255, 0.3);
    color: #f1f5f9;
}

[data-theme="dark"] .btn-auth:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.1);
}

/* Mobile Navigation Auth Buttons */
.mobile-nav .btn-auth {
    width: 100%;
    text-align: center;
    margin: 8px 0;
    padding: 14px 20px;
}

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