/* ==========================================
   MOBO_FM - GLOBAL STYLES
   ========================================== */

:root {
    /* Colors - HELLES DESIGN */
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #e2e8f0;
    --color-bg-card: rgba(248, 250, 252, 0.8);
    
    --color-text-primary: #0f172a;
    --color-text-secondary: #334155;
    --color-text-tertiary: #64748b;
    --color-text-muted: #94a3b8;
    
    --color-accent: #14b8a6;
    --color-accent-hover: #0d9488;
    --color-accent-dark: #0f766e;
    
    --color-border: #e2e8f0;
    --color-border-light: #cbd5e1;
    
    /* Typography */
    --font-display: 'Work Sans', sans-serif;
    --font-mono: 'Inconsolata', monospace;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}


/* ==========================================
   RESET & BASE
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-display);
    background-color: var(--color-bg-primary);
    color: var(--color-text-secondary);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Grid Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(20, 184, 166, 0.08) 1px, transparent 1px),
        linear-gradient(90deg, rgba(20, 184, 166, 0.08) 1px, transparent 1px);
    background-size: 40px 40px;
    pointer-events: none;
    z-index: 0;
}

::selection {
    background-color: rgba(20, 184, 166, 0.2);
    color: var(--color-accent-dark);
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */

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

strong {
    color: var(--color-text-primary);
    font-weight: 600;
}

.code-text {
    font-family: var(--font-mono);
    color: var(--color-accent);
    font-weight: 700;
}

/* ==========================================
   CONTAINERS
   ========================================== */

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 1.5rem;
    position: relative;
    z-index: 1;
}

/* ==========================================
   NAVIGATION
   ========================================== */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: transform var(--transition-base);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.nav.hide {
    transform: translateY(-100%);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    transition: opacity var(--transition-base);
}

.logo:hover {
    opacity: 0.8;
}

.logo-square {
    width: 2rem;
    height: 2rem;
    background-color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--color-text-primary);
    font-size: 1.125rem;
}

.logo-text {
    font-family: var(--font-mono);
    font-weight: 700;
    color: var(--color-text-primary);
    letter-spacing: 0.1em;
    font-size: 1.125rem;
    text-transform: uppercase;
}

.logo-text .accent {
    color: var(--color-accent);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

.btn-primary-nav {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    padding: 0.5rem 1.5rem;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    text-decoration: none;
    transition: all var(--transition-base);
}

.btn-primary-nav:hover {
    background-color: rgba(20, 184, 166, 0.1);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.mobile-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(6px);
}

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

.mobile-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-6px);
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
    }
    
.nav-links {
    /* ... */
    background-color: white;
    border-bottom: 1px solid var(--color-border);
    /* ... */
}
    
    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    .nav-link,
    .btn-primary-nav {
        width: 100%;
        text-align: left;
        padding: 0.75rem 0;
        border: none;
    }
    
    .btn-primary-nav {
        margin-top: 1rem;
        text-align: center;
        border: 1px solid var(--color-accent);
    }
}

/* ==========================================
   HERO SECTION
   ========================================== */

.hero {
    padding: 12rem 1.5rem 8rem;
    position: relative;
    z-index: 1;
}

.status-badge {
    font-family: var(--font-mono);
    color: var(--color-accent);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    animation: fadeInUp 0.7s ease;
}

.pulse-dot {
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.8);
    }
}

.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 0.9;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
    max-width: 80rem;
    animation: fadeInUp 0.8s ease 0.1s both;
}

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

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--color-text-tertiary);
    max-width: 48rem;
    margin-bottom: 3rem;
    font-weight: 300;
    line-height: 1.6;
    animation: fadeInUp 0.9s ease 0.2s both;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    animation: fadeInUp 1s ease 0.3s both;
}

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

/* ==========================================
   BUTTONS
   ========================================== */

.btn-primary,
.btn-primary-large {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background-color: var(--color-accent);
    color: var(--color-bg-primary);
    font-weight: 700;
    text-decoration: none;
    transition: all var(--transition-base);
    border: none;
    cursor: pointer;
    font-family: var(--font-display);
}

.btn-primary:hover,
.btn-primary-large:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
}

.btn-primary svg,
.btn-primary-large svg {
    transition: transform var(--transition-base);
}

.btn-primary:hover svg,
.btn-primary-large:hover svg {
    transform: translateX(4px);
}

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

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border: 1px solid var(--color-border-light);
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    text-decoration: none;
    transition: all var(--transition-base);
}

.btn-secondary:hover {
    border-color: var(--color-border-light);
    color: var(--color-text-primary);
    background-color: rgba(255, 255, 255, 0.05);
}

/* ==========================================
   STATS TICKER
   ========================================== */

.stats-ticker {
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    background-color: var(--color-bg-secondary);
    padding: 1.5rem 0;
    position: relative;
    z-index: 1;
}

.stats-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    justify-content: center;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-mono);
    font-size: 0.875rem;
}

.stat-value {
    color: var(--color-accent);
    font-weight: 700;
}

.stat-label {
    color: var(--color-text-muted);
}

@media (max-width: 768px) {
    .stats-grid {
        gap: 1.5rem;
    }
    
    .stat-item {
        flex-basis: calc(50% - 0.75rem);
    }
}

/* ==========================================
   SECTIONS
   ========================================== */

.section {
    padding: 8rem 0;
    position: relative;
    z-index: 1;
}

.section-alt {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
}

.section-heading {
    margin-bottom: 4rem;
    border-left: 2px solid var(--color-accent);
    padding-left: 1.5rem;
}

.section-heading.center {
    border-left: none;
    padding-left: 0;
    text-align: center;
}

.section-number {
    font-family: var(--font-mono);
    color: var(--color-accent);
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    display: block;
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.01em;
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--color-text-tertiary);
    max-width: 42rem;
    font-size: 1.125rem;
    font-weight: 300;
}

.cta-center {
    text-align: center;
    margin-top: 3rem;
}

/* ==========================================
   EVOLUTION GRID
   ========================================== */

.evolution-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.evolution-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 2rem;
    transition: all var(--transition-base);
    position: relative;
}

.evolution-card:hover {
    border-color: rgba(20, 184, 166, 0.5);
    transform: translateY(-4px);
}

.evolution-card:hover .evolution-icon {
    background-color: rgba(20, 184, 166, 0.2);
    color: var(--color-accent);
}

.evolution-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
}

.evolution-level {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    display: block;
    margin-bottom: 0.75rem;
}

.evolution-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    transition: color var(--transition-base);
}

.evolution-card:hover .evolution-title {
    color: var(--color-accent);
}

.evolution-desc {
    color: var(--color-text-tertiary);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ==========================================
   SERVICES GRID
   ========================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.service-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 2rem;
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: rgba(20, 184, 166, 0.5);
}

.service-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.service-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--color-bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    transition: all var(--transition-base);
}

.service-card:hover .service-icon {
    background-color: rgba(20, 184, 166, 0.2);
}

.service-code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    transition: color var(--transition-base);
}

.service-card:hover .service-code {
    color: rgba(20, 184, 166, 0.7);
}

.service-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    transition: color var(--transition-base);
}

.service-card:hover .service-title {
    color: var(--color-accent);
}

.service-desc {
    color: var(--color-text-tertiary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
    font-size: 0.875rem;
}

.service-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.service-tags span {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
    border: 1px solid var(--color-border);
    padding: 0.25rem 0.5rem;
}

/* ==========================================
   PHILOSOPHY SECTION
   ========================================== */

.philosophy-section {
    background-color: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.philosophy-content {
    max-width: 100%;
}

.philosophy-content p {
    color: var(--color-text-tertiary);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.philosophy-content .lead {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    font-weight: 300;
    margin-bottom: 2rem;
}

.philosophy-quote {
    margin: 3rem 0;
    padding: 2rem;
    border: 1px solid rgba(20, 184, 166, 0.3);
    background-color: rgba(20, 184, 166, 0.05);
}

.quote-label {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-accent);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
}

.philosophy-quote blockquote {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-text-primary);
    margin: 0;
}

/* ==========================================
   CTA SECTION
   ========================================== */

.cta-section {
    background-color: var(--color-bg-primary);
}

.cta-box {
    border: 1px solid var(--color-border);
    background: linear-gradient(135deg, rgba(20, 184, 166, 0.05) 0%, rgba(15, 118, 110, 0.05) 100%);
    padding: 4rem 2rem;
    text-align: center;
}

.cta-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    margin-bottom: 1rem;
}

.cta-text {
    color: var(--color-text-tertiary);
    font-size: 1.125rem;
    max-width: 42rem;
    margin: 0 auto 2rem;
}

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

.footer {
    background-color: var(--color-bg-secondary);
    padding: 5rem 0;
    border-top: 1px solid var(--color-border);
    position: relative;
    z-index: 1;
}

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

.footer-col-main {
    max-width: 100%;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.footer-desc {
    color: var(--color-text-muted);
    max-width: 24rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.footer-copyright {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.footer-title {
    color: var(--color-text-primary);
    font-weight: 700;
    margin-bottom: 1.5rem;
    font-size: 1rem;
}

.footer-links,
.footer-contact {
    list-style: none;
}

.footer-links li,
.footer-contact li {
    margin-bottom: 1rem;
}

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

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

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

.footer-contact a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: color var(--transition-base);
}

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

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

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

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .hero {
        padding: 10rem 1.5rem 6rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-primary,
    .btn-secondary {
        width: 100%;
    }
    
    .section {
        padding: 4rem 0;
    }
    
    .evolution-grid,
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================
   SCROLL ANIMATIONS
   ========================================== */

@media (prefers-reduced-motion: no-preference) {
    .fade-in-on-scroll {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.6s ease, transform 0.6s ease;
    }
    
    .fade-in-on-scroll.visible {
        opacity: 1;
        transform: translateY(0);
    }
}