/* ==========================================================================
   RALLY SLIDE - BLACK & WHITE HIGH PERFORMANCE STYLESHEET
   ========================================================================== */

/* --- CSS Variables & Design System Tokens --- */
:root {
    --bg-black: #000000;
    --bg-dark-1: #050505;
    --bg-dark-2: #0d0d0d;
    --bg-card: #141414;
    --bg-card-hover: #1f1f1f;
    --glass-bg: rgba(18, 18, 18, 0.75);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-border-hover: rgba(255, 255, 255, 0.3);
    
    --text-pure-white: #ffffff;
    --text-off-white: #e2e2e2;
    --text-muted: #8e9192;
    --text-dim: #555555;

    --accent-glow: rgba(255, 255, 255, 0.25);

    --font-heading: 'Teko', 'Syncopate', sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Global Reset & Reset Box Model --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--bg-black);
    color: var(--text-off-white);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Base Container Framework */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 2;
}

.section {
    padding: 100px 0;
    position: relative;
    z-index: 2;
}

/* Glassmorphism Panel Component */
.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.7);
    transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.glass-panel:hover {
    border-color: var(--glass-border-hover);
}

/* Typography & Headings */
h1, h2, h3, h4 {
    color: var(--text-pure-white);
    font-family: var(--font-heading);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.section-header {
    margin-bottom: 48px;
}

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

.section-subtitle {
    display: inline-block;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 8px;
}

.section-title {
    font-size: 3rem;
    line-height: 1;
    font-weight: 700;
    margin-bottom: 12px;
    letter-spacing: 2px;
}

.title-underline {
    width: 60px;
    height: 3px;
    background: var(--text-pure-white);
    margin-top: 8px;
}

.section-header.center .title-underline {
    margin: 8px auto 0 auto;
}

/* --- Header / Navigation Bar --- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: 100;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background var(--transition-fast);
}

.nav-container {
    max-width: 1200px;
    height: 100%;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
    flex-shrink: 0;
}

.logo-img {
    width: 44px;
    height: 44px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* --- Brand Title Logo Image --- */
.nav-title-img {
    height: 38px;
    width: auto;
    object-fit: contain;
    transition: transform var(--transition-fast);
}

.brand-logo:hover .nav-title-img {
    transform: scale(1.02);
}

.nav-links {
    display: flex;
    gap: clamp(16px, 2.5vw, 32px);
}

.nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color var(--transition-fast);
    position: relative;
    padding: 8px 0;
    white-space: nowrap;
}

.nav-link:hover, .nav-link.active {
    color: var(--text-pure-white);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--text-pure-white);
    transition: width var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
}

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.mobile-toggle .bar {
    width: 25px;
    height: 2px;
    background-color: var(--text-pure-white);
    transition: transform var(--transition-fast);
}

/* --- Buttons & Action System --- */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-decoration: none;
    text-transform: uppercase;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.primary-btn {
    background-color: var(--text-pure-white);
    color: var(--bg-black);
    border: 1px solid var(--text-pure-white);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.15);
}

.primary-btn:hover {
    background-color: var(--text-off-white);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 255, 255, 0.35);
}

.secondary-btn {
    background-color: transparent;
    color: var(--text-pure-white);
    border: 1px solid var(--glass-border);
}

.secondary-btn:hover {
    border-color: var(--text-pure-white);
    background-color: rgba(255, 255, 255, 0.05);
    transform: translateY(-2px);
}

.nav-cta {
    padding: 10px 20px;
    font-size: 1.1rem;
    background: var(--text-pure-white);
    color: var(--bg-black);
    white-space: nowrap;
    flex-shrink: 0;
    line-height: 1;
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    padding-bottom: 80px;
}

.hero-bg-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(35%) contrast(115%) brightness(0.55);
    transform: scale(1.05);
    animation: zoomHero 25s infinite alternate linear;
}

@keyframes zoomHero {
    0% { transform: scale(1); }
    100% { transform: scale(1.08); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(0, 0, 0, 0.35) 0%, rgba(0, 0, 0, 0.95) 85%);
}

.hero-grid-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: repeating-linear-gradient(0deg, rgba(255,255,255,0.02), rgba(255,255,255,0.02) 1px, transparent 1px, transparent 40px),
                      repeating-linear-gradient(90deg, rgba(255,255,255,0.02), rgba(255,255,255,0.02) 1px, transparent 1px, transparent 40px);
}

.hero-content {
    max-width: 900px;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 6px 16px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    margin-bottom: 24px;
}

.badge-text {
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-off-white);
}

/* Hero Branding Header */
.hero-brand-header {
    margin-bottom: 24px;
}

.hero-title-img {
    max-width: 460px;
    width: 100%;
    height: auto;
    object-fit: contain;
    display: block;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.8));
}

.hero-title {
    font-size: 4.2rem;
    line-height: 0.95;
    font-weight: 700;
    margin-bottom: 24px;
}

.text-stroke {
    color: transparent;
    -webkit-text-stroke: 1.5px var(--text-pure-white);
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-off-white);
    margin-bottom: 16px;
    max-width: 800px;
    line-height: 1.7;
}

.hero-tagline {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 600;
    margin-bottom: 36px;
    border-left: 3px solid var(--text-pure-white);
    padding-left: 16px;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}

/* Hero Stats Strip */
.hero-stats-strip {
    display: flex;
    align-items: stretch;
    gap: 32px;
    padding: 24px 32px;
    background: rgba(18, 18, 18, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 10px;
    width: fit-content;
}

.stat-item {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.stat-prefix {
    font-family: var(--font-body);
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--text-muted);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-value {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1;
    color: var(--text-pure-white);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: var(--glass-border);
    align-self: center;
}

/* --- Features Grid --- */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.feature-card {
    padding: 32px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0%;
    background: var(--text-pure-white);
    transition: height var(--transition-fast);
}

.feature-card:hover::before {
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-4px);
    background: var(--bg-card-hover);
}

.card-icon-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.card-icon-svg {
    width: 36px;
    height: 36px;
    opacity: 0.8;
    filter: brightness(0) invert(0.85);
    transition: all var(--transition-fast);
}

.feature-card:hover .card-icon-svg {
    opacity: 1;
    filter: brightness(0) invert(1) drop-shadow(0 0 10px rgba(255, 255, 255, 0.7));
    transform: scale(1.1);
}

.card-icon-fallback {
    font-size: 2rem;
}

.card-number {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: var(--text-dim);
    font-weight: 700;
    transition: color var(--transition-fast);
}

.feature-card:hover .card-number {
    color: var(--text-off-white);
}

.feature-title {
    font-size: 1.75rem;
    margin-bottom: 12px;
}

.feature-text {
    color: var(--text-muted);
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 24px;
}

.feature-footer {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.feature-tag {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--text-muted);
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

/* --- Why You'll Love It Section --- */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.why-card {
    padding: 36px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.why-icon {
    font-size: 3rem;
    margin-bottom: 16px;
}

.why-title {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.why-text {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.6;
}

/* --- Final Call To Action Banner --- */
.cta-box {
    padding: 64px 32px;
    text-align: center;
    position: relative;
    overflow: hidden;
    background: radial-gradient(circle at center, rgba(30, 30, 30, 0.9) 0%, rgba(10, 10, 10, 0.95) 100%);
}

.cta-headline {
    font-size: 3.2rem;
    line-height: 1.1;
    margin-bottom: 16px;
}

.cta-subtext {
    font-size: 1.3rem;
    color: var(--text-off-white);
    margin-bottom: 36px;
    font-weight: 500;
}

.cta-action-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.download-btn-lg {
    padding: 18px 36px;
    font-size: 1.4rem;
}

/* --- Footer --- */
.footer {
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    background: var(--bg-black);
    position: relative;
    z-index: 2;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 20px;
}

.footer-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--text-pure-white);
    text-decoration: underline;
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        flex-direction: column;
        padding: 24px;
        border-bottom: 1px solid var(--glass-border);
        gap: 16px;
    }
    .nav-links.active {
        display: flex;
    }
    .mobile-toggle {
        display: flex;
    }
    .nav-title-img {
        height: 32px;
    }
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 3.2rem;
    }
    .hero-title-img {
        max-width: 380px;
    }
}

@media (max-width: 768px) {
    .hero-title-img {
        max-width: 290px;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .section-title {
        font-size: 2.2rem;
    }
    .cta-headline {
        font-size: 2.2rem;
    }
    .hero-stats-strip {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
        width: 100%;
    }
    .stat-divider {
        width: 100%;
        height: 1px;
        align-self: stretch;
    }
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 16px;
    }
    .nav-cta {
        padding: 8px 14px;
        font-size: 0.95rem;
    }
    .brand-logo .logo-img {
        width: 38px;
        height: 38px;
    }
    .nav-title-img {
        height: 26px;
    }
}