/* ========================================
   CSS Variables & Design Tokens
   ======================================== */
:root {
    /* Colors */
    --color-primary: #FF8C00;
    --color-primary-dark: #E67E00;
    --color-primary-light: #FFA033;
    --color-dark: #0A0E1A;
    --color-dark-blue: #1A1F35;
    --color-dark-gradient: linear-gradient(135deg, #0A0E1A 0%, #1A1F35 100%);
    --color-warm-white: #FEFCF8;
    --color-warm-gray: #E8E5E0;
    --color-text-primary: #FEFCF8;
    --color-text-secondary: rgba(254, 252, 248, 0.8);
    --color-text-dark: #0A0E1A;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #FF8C00 0%, #FFB347 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(255, 140, 0, 0.3) 0%, transparent 70%);

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

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-hero: clamp(2.5rem, 8vw, 5rem);
    --font-size-h2: clamp(2rem, 5vw, 3.5rem);
    --font-size-h3: clamp(1.25rem, 3vw, 1.75rem);
    --font-size-body: clamp(1rem, 2vw, 1.125rem);
    --font-size-small: 0.875rem;

    /* Borders & Shadows */
    --border-radius-sm: 0.5rem;
    --border-radius-md: 1rem;
    --border-radius-lg: 1.5rem;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(255, 140, 0, 0.3);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

/* ========================================
   Hero Section
   ======================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark-gradient);
    overflow: hidden;
}

.hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('hero-bg.png');
    background-size: cover;
    background-position: center;
    opacity: 0.4;
    z-index: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: var(--gradient-glow);
    animation: glow-pulse 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes glow-pulse {

    0%,
    100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 30% 50%, rgba(255, 140, 0, 0.1) 0%, transparent 60%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    top: -20px;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-md);
    animation: fade-in-up 1s ease-out;
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

.hero-title {
    font-size: var(--font-size-hero);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.brand-name {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    position: relative;
}



.hero-subtitle {
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.8;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    opacity: 0.6;
    cursor: pointer;
    transition: opacity var(--transition-normal);
}

.scroll-indicator:hover {
    opacity: 1;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateX(-50%) translateY(0);
    }

    40% {
        transform: translateX(-50%) translateY(-10px);
    }

    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ========================================
   Buttons
   ======================================== */
.cta-button {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.2) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.cta-button:hover::before {
    opacity: 1;
}

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

.primary-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(255, 140, 0, 0.5);
}

.primary-cta:active {
    transform: translateY(0);
}

.large-cta {
    padding: 1.25rem 3rem;
    font-size: 1.25rem;
}

.arrow-icon {
    transition: transform var(--transition-normal);
}

.cta-button:hover .arrow-icon {
    transform: translateX(4px);
}

/* ========================================
   Problem Solution Section
   ======================================== */
.problem-solution {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.section-title {
    font-size: var(--font-size-h2);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

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

.section-description {
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 140, 0, 0.3);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    margin-bottom: var(--spacing-md);
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-10px);
    }
}

.feature-card:nth-child(2) .feature-icon {
    animation-delay: 0.3s;
}

.feature-card:nth-child(3) .feature-icon {
    animation-delay: 0.6s;
}

.feature-title {
    font-size: var(--font-size-h3);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.feature-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   Origin Story Section
   ======================================== */
.origin-story {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #1A1F35 0%, #0A0E1A 100%);
    position: relative;
    overflow: hidden;
}

.origin-story::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 140, 0, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.story-content {
    display: block;
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.story-text {
    position: relative;
    z-index: 2;
}

.story-paragraph {
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.9;
}

.story-signature {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

.signature-text {
    font-style: italic;
    color: var(--color-primary);
    font-weight: 500;
}

.story-image {
    position: relative;
}

.story-image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.2) 0%, rgba(255, 140, 0, 0.05) 100%);
    border-radius: var(--border-radius-lg);
    border: 2px solid rgba(255, 140, 0, 0.2);
    position: relative;
    overflow: hidden;
}

.story-image-placeholder::before {
    content: '🏔️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 4rem;
    opacity: 0.3;
}

/* ========================================
   Use Cases Section
   ======================================== */
.use-cases {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
}

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

.use-case-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.use-case-card:hover::before {
    opacity: 1;
}

.use-case-card:hover {
    border-color: rgba(255, 140, 0, 0.3);
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.use-case-card.featured {
    background: rgba(255, 140, 0, 0.05);
    border: 2px solid rgba(255, 140, 0, 0.3);
}

.featured-badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: var(--gradient-primary);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 2rem;
    font-size: var(--font-size-small);
    font-weight: 600;
    box-shadow: var(--shadow-md);
}

.use-case-icon {
    margin: 0 auto var(--spacing-md);
    display: inline-block;
}

.use-case-title {
    font-size: var(--font-size-h3);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.use-case-description {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ========================================
   CTA Section
   ======================================== */
.cta-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(135deg, #0A0E1A 0%, #1A1F35 50%, #0A0E1A 100%);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(255, 140, 0, 0.15) 0%, transparent 60%);
    animation: glow-pulse 4s ease-in-out infinite;
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-h2);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.cta-description {
    font-size: var(--font-size-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.cta-note {
    margin-top: var(--spacing-md);
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
    font-style: italic;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    padding: var(--spacing-lg) 0;
    background: var(--color-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    position: relative;
}

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

.footer-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-small);
}

.footer-moon {
    opacity: 0.6;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 768px) {
    .story-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .story-image {
        order: -1;
    }

    .features-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .footer .container {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }

    .hero {
        min-height: 100svh;
    }

    .scroll-indicator {
        bottom: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .cta-button {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }

    .large-cta {
        padding: 1rem 2.5rem;
        font-size: 1.125rem;
    }

    .feature-card,
    .use-case-card {
        padding: var(--spacing-md);
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-primary {
    color: var(--color-primary);
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}