/* ===================================
   NullifyData Main Styles
   Page-specific component styles
   =================================== */

/* === Background === */
.background-gradient {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    background: var(--gradient-bg);
    z-index: -2;
}

.background-grid {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 100vh;
    background-image:
        linear-gradient(rgba(95, 110, 255, 0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(95, 110, 255, 0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    z-index: -1;
    animation: gridMove 20s linear infinite;
}

/* === Header === */
.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-lg) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    text-decoration: none;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
}

.nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

@media (max-width: 640px) {
    .nav {
        display: none;
    }
}

/* === Hero Section === */
.hero {
    position: relative;
    padding: var(--space-4xl) 0;
    min-height: 90vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    height: 100%;
    background: var(--gradient-hero);
    z-index: -1;
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeIn 0.8s ease-out;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: rgba(95, 110, 255, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-primary-light);
    margin-bottom: var(--space-xl);
    animation: fadeInScale 0.6s ease-out 0.2s both;
}

.hero-badge-icon {
    color: var(--color-primary);
}

.hero-title {
    font-size: var(--font-size-6xl);
    font-weight: var(--font-weight-extrabold);
    line-height: var(--line-height-tight);
    color: var(--color-text-primary);
    margin-bottom: var(--space-lg);
    animation: fadeIn 0.8s ease-out 0.3s both;
}

.hero-description {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
    margin-bottom: var(--space-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeIn 0.8s ease-out 0.4s both;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-3xl);
    animation: fadeIn 0.8s ease-out 0.5s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3xl);
    animation: fadeIn 0.8s ease-out 0.6s both;
}

.stat {
    text-align: center;
}

.stat-value {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--space-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 640px) {
    .hero {
        padding: var(--space-3xl) 0;
        min-height: auto;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

    .hero-actions .btn {
        width: 100%;
    }

    .hero-stats {
        gap: var(--space-xl);
    }
}

/* === Section Header === */
.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--space-3xl);
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-extrabold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.section-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* === Features Grid === */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-xl);
}

.feature-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
}

.feature-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-8px);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(95, 110, 255, 0.1);
    border-radius: var(--radius-lg);
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
}

.feature-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.feature-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* === Steps === */
.steps-container {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-2xl);
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 23px;
    top: 56px;
    width: 2px;
    height: calc(100% + var(--space-2xl));
    background: linear-gradient(180deg, var(--color-primary) 0%, transparent 100%);
}

.step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    color: white;
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-glow);
}

.step-content {
    flex: 1;
    padding-top: var(--space-sm);
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.step-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* === Security Grid === */
.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-xl);
}

.security-item {
    text-align: center;
    padding: var(--space-2xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.security-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.security-icon {
    margin: 0 auto var(--space-lg);
    color: var(--color-accent);
}

.security-item h3 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.security-item p {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

/* === Footer === */
.footer {
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    padding: var(--space-4xl) 0 var(--space-xl);
    margin-top: var(--space-4xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-3xl);
    margin-bottom: var(--space-3xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-tagline {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-md);
}

.footer-column h4 {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.footer-column a {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    text-decoration: none;
    margin-bottom: var(--space-sm);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
}

@media (max-width: 1024px) {
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 640px) {
    .footer-content {
        grid-template-columns: 1fr;
    }
}

/* === Workflow Progress === */
.workflow-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-3xl);
    padding: var(--space-xl);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.workflow-step {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
}

.workflow-step.active {
    background: rgba(95, 110, 255, 0.1);
    color: var(--color-primary);
}

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

.workflow-arrow {
    color: var(--color-text-tertiary);
}

@media (max-width: 768px) {
    .workflow-progress {
        flex-direction: column;
        align-items: stretch;
    }

    .workflow-arrow {
        transform: rotate(90deg);
    }
}