/* ===========================
   ALIAS Shared Styles
   Design System: Consistent across all pages
   =========================== */

/* ===========================
   CSS Variables & Design Tokens
   =========================== */
:root {
    /* Colors - Matching ALIAS Business App */
    --color-bg-primary: #000000;
    --color-bg-secondary: #111111;
    --color-accent-primary: #8B5CF6;
    --color-accent-secondary: #7F00FF;
    --color-success: #10B981;
    --color-text-primary: #FFFFFF;
    --color-text-secondary: #D4D4D4;
    --color-text-muted: #9CA3AF;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #8B5CF6 0%, #7F00FF 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(139, 92, 246, 0.2) 0%, transparent 70%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

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

    /* Typography */
    --font-family: 'Inter', sans-serif;
    --font-weight-regular: 400;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

/* ===========================
   Reset & Base Styles
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===========================
   Typography
   =========================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
}

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

/* ===========================
   Progress Bar Component
   =========================== */
.progress-bar {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    z-index: 999;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.1);
    padding: var(--spacing-md) var(--spacing-lg);
}

.progress-container {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.progress-step {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: 0.875rem;
    font-weight: var(--font-weight-semibold);
    transition: color var(--transition-base);
}

.progress-step.active {
    color: var(--color-accent-primary);
}

.progress-step.completed {
    color: var(--color-success);
}

.progress-number {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    transition: all var(--transition-base);
}

.progress-step.active .progress-number {
    background: var(--color-accent-primary);
    border-color: var(--color-accent-primary);
    color: white;
}

.progress-step.completed .progress-number {
    background: var(--color-success);
    color: #FFFFFF;
}

.progress-arrow {
    color: var(--color-text-muted);
    margin: 0 var(--spacing-sm);
}

/* ===========================
   Navigation Component
   =========================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(139, 92, 246, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: var(--font-weight-bold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--color-text-secondary);
    font-size: 1rem;
    font-weight: var(--font-weight-medium);
    transition: color var(--transition-base);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
}

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

.nav-link.active {
    color: var(--color-primary);
}

/* Button-style navigation link for CTA */
.nav-link.nav-btn {
    background: rgba(139, 92, 246, 0.05);
    border: 1px solid rgba(139, 92, 246, 0.3);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.nav-link.nav-btn:hover {
    background: rgba(139, 92, 246, 0.15);
    border-color: rgba(139, 92, 246, 0.5);
    color: var(--color-primary);
}

.nav-link.nav-btn.active {
    background: rgba(139, 92, 246, 0.12);
    border-color: var(--color-primary);
}

/* ===========================
   Buttons
   =========================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    background: var(--color-accent-primary);
    color: var(--color-text-primary);
    border: none;
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-semibold);
    font-size: 1.125rem;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
    text-align: center;
}

.btn-primary:hover {
    background: #9D6EFF;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(139, 92, 246, 0.4);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    font-weight: var(--font-weight-semibold);
    font-size: 1.125rem;
    cursor: pointer;
    transition: all var(--transition-base);
    font-family: var(--font-family);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(139, 92, 246, 0.5);
}

.btn-icon {
    transition: transform var(--transition-base);
}

.btn-primary:hover .btn-icon {
    transform: translateX(4px);
}

/* ===========================
   Form Inputs
   =========================== */
.form-input {
    width: 100%;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
    background: rgba(255, 255, 255, 0.08);
}

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

/* ===========================
   Section Containers
   =========================== */
.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: var(--spacing-md);
}

.section-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto;
}

/* ===========================
   Utility Classes
   =========================== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

.mt-sm {
    margin-top: var(--spacing-sm);
}

.mt-md {
    margin-top: var(--spacing-md);
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mt-xl {
    margin-top: var(--spacing-xl);
}

.mb-sm {
    margin-bottom: var(--spacing-sm);
}

.mb-md {
    margin-bottom: var(--spacing-md);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

.mb-xl {
    margin-bottom: var(--spacing-xl);
}

/* ===========================
   Animations
   =========================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease both;
}