/* ========================================
   ZOIDWORKS LANDING PAGE STYLES
   Dark, Modern, Minimal
   ======================================== */

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

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

:root {
    /* Color Palette - Dark Theme */
    --color-primary: #e96d5b;
    --color-primary-dim: #d55a47;
    --color-bg-dark: #0a0e13;
    --color-bg-darker: #060809;
    --color-bg-card: #141a21;
    --color-bg-card-hover: #1a2129;
    --color-text: #e4e6eb;
    --color-text-dim: #a8abb2;
    --color-border: #1f2937;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #e96d5b 0%, #d55a47 100%);
    --gradient-hero: radial-gradient(ellipse at top, rgba(233, 109, 91, 0.15) 0%, transparent 60%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Typography */
    --font-primary: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --line-height-base: 1.6;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --glow-primary: 0 0 20px rgba(233, 109, 91, 0.3);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
}

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

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

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

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

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }

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

.lead {
    font-size: var(--font-size-xl);
    font-weight: 500;
    color: var(--color-text);
}

/* ========================================
   LAYOUT
   ======================================== */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

section {
    padding: var(--spacing-xl) 0;
}

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

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 14, 19, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--transition-base);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-links a {
    color: var(--color-text-dim);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

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

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

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

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    background: var(--color-bg-darker);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-hero);
    z-index: 0;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(233, 109, 91, 0.08) 0%, transparent 70%);
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -20%;
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(233, 109, 91, 0.05) 0%, transparent 70%);
    animation: float 25s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(20px, 20px) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    animation: fadeInUp 1s ease-out;
}

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

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

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-primary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease-out 0.4s both;
}

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

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--glow-primary);
}

/* ========================================
   SCROLL INDICATOR
   ======================================== */

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-primary);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 2px;
    animation: scroll 2s ease-in-out infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translate(-50%, 0); }
    100% { opacity: 0; transform: translate(-50%, 16px); }
}

/* ========================================
   SECTION HEADERS
   ======================================== */

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

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

.title-underline {
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    margin: 0 auto;
    border-radius: 2px;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
    background: var(--color-bg-dark);
}

.about-content {
    display: grid;
    gap: var(--spacing-lg);
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    font-size: var(--font-size-lg);
    color: var(--color-text-dim);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: var(--color-bg-card);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.feature-card h3 {
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.feature-card p {
    color: var(--color-text-dim);
    margin-bottom: 0;
}

/* ========================================
   APPS SECTION
   ======================================== */

.apps {
    background: var(--color-bg-darker);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    max-width: 1000px;
    margin: 0 auto;
}

.app-card {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
}

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

.app-card-placeholder {
    opacity: 0.6;
}

.app-card-placeholder:hover {
    opacity: 0.8;
}

.app-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
    text-align: center;
}

.app-name {
    color: var(--color-text);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.app-status {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center;
    margin-bottom: var(--spacing-sm);
}

.app-description {
    color: var(--color-text-dim);
    line-height: 1.7;
    text-align: center;
    flex-grow: 1;
    margin-bottom: var(--spacing-md);
}

.app-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
}

.tag {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    background: rgba(233, 109, 91, 0.1);
    color: var(--color-primary);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(233, 109, 91, 0.2);
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact {
    background: var(--color-bg-darker);
}

.contact-content {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.contact-intro {
    font-size: var(--font-size-xl);
    color: var(--color-text-dim);
    margin-bottom: var(--spacing-md);
}

.contact-email {
    display: inline-block;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
    position: relative;
    transition: all var(--transition-base);
}

.contact-email::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.contact-email:hover {
    text-shadow: var(--glow-primary);
}

.contact-email:hover::after {
    transform: scaleX(1);
}

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

.footer {
    background: var(--color-bg-darker);
    color: var(--color-text-dim);
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.footer-brand .logo-text {
    color: var(--color-primary);
}

.footer-brand p {
    color: var(--color-text-dim);
    margin-bottom: 0;
    margin-top: var(--spacing-xs);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    color: var(--color-text-dim);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

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

.footer-bottom p {
    color: var(--color-text-dim);
    margin-bottom: 0;
    font-size: 0.875rem;
}

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

@media (max-width: 768px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }
    
    .nav-links {
        gap: var(--spacing-sm);
    }
    
    .nav-links a {
        font-size: 0.875rem;
    }
    
    .hero {
        min-height: 90vh;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .nav-content {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .nav-links {
        width: 100%;
        justify-content: center;
    }
    
    .contact-email {
        word-break: break-all;
    }
}

/* ========================================
   ANIMATIONS & INTERACTIONS
   ======================================== */

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Intersection Observer Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}