/* ==========================================
   MONSTER ENERGY - DESIGN SYSTEM
   ========================================== */

:root {
    --green: #95D600;
    --green-dark: #6BA300;
    --green-glow: rgba(149, 214, 0, 0.4);
    --black: #0A0A0A;
    --dark: #111111;
    --dark-card: #1A1A1A;
    --dark-border: #2A2A2A;
    --white: #FFFFFF;
    --gray: #888888;
    --light-gray: #CCCCCC;

    --font: 'Outfit', sans-serif;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font);
    background: var(--black);
    color: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ==========================================
   WEBGL CANVAS
   ========================================== */

#webgl-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

/* ==========================================
   PARTICLES
   ========================================== */

#particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: var(--green);
    border-radius: 50%;
    opacity: 0;
    animation: float-particle linear infinite;
    box-shadow: 0 0 6px var(--green-glow);
}

@keyframes float-particle {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-10vh) scale(1);
        opacity: 0;
    }
}

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

#navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 40px;
    background: linear-gradient(180deg, rgba(10,10,10,0.9) 0%, transparent 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: var(--transition);
}

.nav-logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 70px;
    width: auto;
    object-fit: contain;
    filter: brightness(1.1);
    transition: filter 0.3s ease;
}

.logo-img:hover {
    filter: brightness(1.3) drop-shadow(0 0 8px var(--green-glow));
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gray);
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--green);
    transition: width 0.3s ease;
    box-shadow: 0 0 8px var(--green-glow);
}

.nav-link:hover,
.nav-link.active {
    color: var(--green);
}

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

.btn-buy {
    background: var(--green);
    color: var(--black);
    padding: 10px 24px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.85rem;
    letter-spacing: 2px;
    transition: var(--transition);
    box-shadow: 0 0 20px var(--green-glow);
}

.btn-buy:hover {
    background: var(--white);
    box-shadow: 0 0 30px rgba(255,255,255,0.2);
    transform: scale(1.05);
}

/* ==========================================
   SCROLL PROGRESS
   ========================================== */

#scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 200;
    background: rgba(255,255,255,0.05);
}

.progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--green-dark), var(--green));
    box-shadow: 0 0 10px var(--green-glow);
    transition: width 0.1s linear;
}

/* ==========================================
   SECTION DOTS
   ========================================== */

#section-dots {
    position: fixed;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: 2px solid var(--gray);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--green);
    border-color: var(--green);
    box-shadow: 0 0 12px var(--green-glow);
    transform: scale(1.3);
}

.dot:hover {
    border-color: var(--green);
}

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

.section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    z-index: 2;
    display: flex;
    align-items: center;
}

.section-content {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 120px 60px;
    position: relative;
}

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

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 100vh;
    padding-top: 80px;
}

.hero-text {
    max-width: 650px;
}

.glitch-text {
    font-size: clamp(3.5rem, 8vw, 7rem);
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -2px;
    text-transform: uppercase;
    color: var(--white);
}

.glitch-text.accent {
    color: var(--green);
    text-shadow: 0 0 40px var(--green-glow), 0 0 80px rgba(149, 214, 0, 0.15);
}

.hero-subtitle {
    font-size: 1.15rem;
    font-weight: 300;
    color: var(--light-gray);
    margin-top: 24px;
    max-width: 400px;
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    gap: 16px;
    margin-top: 40px;
}

.btn-primary {
    background: var(--green);
    color: var(--black);
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 3px;
    transition: var(--transition);
    box-shadow: 0 0 25px var(--green-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 40px var(--green-glow);
}

.btn-outline {
    border: 2px solid var(--dark-border);
    color: var(--white);
    padding: 14px 36px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 3px;
    transition: var(--transition);
}

.btn-outline:hover {
    border-color: var(--green);
    color: var(--green);
    transform: translateY(-3px);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    opacity: 0;
}

.scroll-indicator span {
    font-size: 0.75rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--gray);
    writing-mode: vertical-lr;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, var(--green), transparent);
    animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ==========================================
   TEXT BLOCKS
   ========================================== */

.text-block {
    max-width: 550px;
}

.text-block.left {
    margin-right: auto;
}

.text-block.right {
    margin-left: auto;
}

.section-number {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--green);
    display: block;
    margin-bottom: 16px;
    opacity: 0.7;
}

.text-block h2 {
    font-size: clamp(2rem, 4.5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 24px;
}

.text-block p {
    font-size: 1rem;
    font-weight: 300;
    color: var(--light-gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.accent {
    color: var(--green);
}

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

.stat-row {
    display: flex;
    gap: 48px;
    margin-top: 32px;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 3rem;
    font-weight: 900;
    color: var(--green);
    line-height: 1;
    text-shadow: 0 0 20px var(--green-glow);
}

.stat-label {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--gray);
    letter-spacing: 1px;
    margin-top: 4px;
    text-transform: uppercase;
}

/* ==========================================
   INGREDIENTS GRID
   ========================================== */

.ingredients-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 32px;
}

.ingredient-card {
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--dark-border);
    border-radius: 16px;
    padding: 28px 24px;
    transition: var(--transition);
}

.ingredient-card:hover {
    border-color: var(--green);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(149, 214, 0, 0.1);
}

.ingredient-icon {
    font-size: 1.8rem;
    margin-bottom: 12px;
}

.ingredient-card h3 {
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--green);
    margin-bottom: 8px;
}

.ingredient-card p {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 0;
}

/* ==========================================
   FLAVORS
   ========================================== */

.flavor-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 32px;
}

.flavor-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 20px 24px;
    background: rgba(26, 26, 26, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--dark-border);
    border-radius: 12px;
    transition: var(--transition);
    cursor: pointer;
}

.flavor-item:hover {
    border-color: var(--color, var(--green));
    transform: translateX(8px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}

.flavor-bar {
    width: 4px;
    height: 40px;
    background: var(--color, var(--green));
    border-radius: 2px;
    box-shadow: 0 0 12px var(--color, var(--green-glow));
    transition: var(--transition);
}

.flavor-item:hover .flavor-bar {
    height: 50px;
    box-shadow: 0 0 20px var(--color, var(--green-glow));
}

.flavor-info h3 {
    font-size: 1rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--white);
    margin-bottom: 4px;
}

.flavor-info p {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--gray);
    margin-bottom: 0;
}

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

.footer-section {
    background: linear-gradient(180deg, transparent 0%, rgba(10,10,10,0.8) 50%);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    min-height: 100vh;
}

.footer-main h2 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 900;
    letter-spacing: -1px;
    margin-bottom: 8px;
}

.footer-tagline {
    font-size: 1.2rem;
    font-weight: 300;
    color: var(--gray);
    letter-spacing: 4px;
    margin-bottom: 40px;
}

.social-links {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

.social-link {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gray);
    transition: var(--transition);
    padding: 10px 20px;
    border: 1px solid var(--dark-border);
    border-radius: 30px;
}

.social-link:hover {
    color: var(--green);
    border-color: var(--green);
    box-shadow: 0 0 15px var(--green-glow);
}

.footer-bottom {
    margin-top: 80px;
}

.footer-bottom p {
    font-size: 0.75rem;
    color: var(--gray);
    line-height: 1.8;
}

.created-by {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--dark-border);
}

.created-by span {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--gray);
    letter-spacing: 1px;
}

.impactando-logo {
    height: 40px;
    width: auto;
    object-fit: contain;
    transition: var(--transition);
    filter: brightness(0.9);
}

.impactando-logo:hover {
    filter: brightness(1.2) drop-shadow(0 0 10px rgba(255, 220, 0, 0.4));
    transform: scale(1.05);
}

/* ==========================================
   SCROLL ANIMATIONS (GSAP handles these via JS)
   ========================================== */


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

@media (max-width: 1024px) {
    .nav-links {
        display: none;
    }
    
    .section-content {
        padding: 100px 30px;
    }
    
    .text-block {
        max-width: 100%;
    }
    
    .text-block.right {
        margin-left: 0;
    }
    
    .ingredients-grid {
        grid-template-columns: 1fr;
    }
    
    #section-dots {
        right: 15px;
    }
}

@media (max-width: 768px) {
    #navbar {
        padding: 15px 20px;
    }
    
    .logo-text {
        display: none;
    }
    
    .section-content {
        padding: 80px 20px;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .stat-row {
        gap: 24px;
    }
    
    .stat-number {
        font-size: 2.2rem;
    }
    
    .scroll-indicator {
        left: 20px;
        bottom: 20px;
    }
}