:root {
    --bg-color: #030305;
    --text-primary: #ffffff;
    --text-secondary: #b0b0c0;
    --neon-blue: #00f3ff;
    --neon-purple: #9d00ff;
    --neon-green: #00ff66;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Canvas Background */
#atomCanvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at center, #0a0a12 0%, #000000 100%);
}

/* Layout */
.content-wrapper {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
}

/* Header & Hero */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 2rem;
    position: relative;
}

/* Subtle glow behind text for readability */
.hero-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80vw;
    height: 80vh;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.7) 0%, rgba(0,0,0,0) 70%);
    z-index: -1;
    pointer-events: none;
}

.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.atom-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    position: relative;
    background: radial-gradient(circle, rgba(0, 243, 255, 0.8) 0%, transparent 60%);
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.5);
    animation: pulse 3s infinite;
}

.atom-icon::before, .atom-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 130%;
    height: 30%;
    border: 2px solid rgba(0, 243, 255, 0.8);
    border-radius: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    animation: spin1 5s linear infinite;
}

.atom-icon::after {
    transform: translate(-50%, -50%) rotate(-45deg);
    border-color: rgba(157, 0, 255, 0.8);
    animation: spin2 5s linear infinite;
}

@keyframes spin1 { 100% { transform: translate(-50%, -50%) rotate(405deg); } }
@keyframes spin2 { 100% { transform: translate(-50%, -50%) rotate(315deg); } }
@keyframes pulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 20px rgba(0,243,255,0.4); }
    50% { transform: scale(1.1); box-shadow: 0 0 50px rgba(0,243,255,0.7); }
}

.logo span {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: 8px;
    text-transform: uppercase;
    background: linear-gradient(90deg, #fff, var(--neon-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h1 {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    max-width: 900px;
    text-shadow: 0 4px 20px rgba(0,0,0,0.8);
    margin-bottom: 1.5rem;
}

.h1-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    color: var(--text-secondary);
    max-width: 750px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.9);
    font-weight: 300;
}

/* Buttons */
.cta-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1.2rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: all 0.4s ease;
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.btn .icon { width: 24px; height: 24px; }

.btn-primary {
    background: rgba(0, 243, 255, 0.1);
    color: var(--neon-blue);
    border: 1px solid rgba(0, 243, 255, 0.5);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.2);
}

.btn-primary:hover {
    background: rgba(0, 243, 255, 0.2);
    box-shadow: 0 0 30px rgba(0, 243, 255, 0.4), inset 0 0 15px rgba(0, 243, 255, 0.4);
    transform: translateY(-3px);
}

.btn-secondary {
    background: rgba(0, 255, 102, 0.05);
    color: var(--neon-green);
    border: 1px solid rgba(0, 255, 102, 0.4);
    box-shadow: 0 0 20px rgba(0, 255, 102, 0.1);
}

.btn-secondary:hover {
    background: rgba(0, 255, 102, 0.15);
    box-shadow: 0 0 30px rgba(0, 255, 102, 0.3), inset 0 0 15px rgba(0, 255, 102, 0.3);
    transform: translateY(-3px);
}

/* Features Section */
.features-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
    position: relative;
}

/* Add a subtle dark gradient behind features for readability without rigid boxes */
.features-container::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.8) 20%, rgba(0,0,0,0.8) 80%, transparent);
    z-index: -1;
    pointer-events: none;
}

.features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
}

.feature-item {
    transition: transform 0.6s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.6s ease;
    opacity: 0;
    transform: translateY(40px);
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.feature-item.visible {
    opacity: 1;
    transform: translateY(0);
}

h2, h3, h4, h5, h6 {
    margin-bottom: 1.2rem;
    font-weight: 600;
    letter-spacing: -0.5px;
}

h2 { font-size: 2.5rem; color: var(--text-primary); text-shadow: 0 0 20px rgba(255,255,255,0.3); }
h3 { font-size: 2.2rem; color: var(--neon-blue); }
h4 { font-size: 1.8rem; color: var(--neon-purple); }
h5 { font-size: 1.6rem; color: var(--neon-green); }
h6 { font-size: 1.4rem; color: var(--text-primary); }

.feature-item p {
    color: var(--text-secondary);
    font-size: 1.15rem;
    font-weight: 300;
}

/* Footer */
footer {
    text-align: center;
    padding: 4rem 0 2rem 0;
    background: linear-gradient(to top, #000 0%, transparent 100%);
}

footer p {
    color: rgba(255,255,255,0.3);
    font-size: 0.9rem;
}

/* Floating Actions */
.floating-actions {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 100;
}

.fab {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0,0,0,0.5);
    transition: transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    backdrop-filter: blur(5px);
}

.fab:hover { transform: scale(1.1) rotate(5deg); }

.float-wa {
    background: rgba(37, 211, 102, 0.2);
    border: 1px solid rgba(37, 211, 102, 0.5);
    color: #25D366;
}
.float-wa:hover {
    background: #25D366;
    color: #fff;
    box-shadow: 0 0 25px rgba(37, 211, 102, 0.6);
}

.float-phone {
    background: rgba(0, 243, 255, 0.1);
    border: 1px solid rgba(0, 243, 255, 0.5);
    color: #00f3ff;
}
.float-phone:hover {
    background: #00f3ff;
    color: #000;
    box-shadow: 0 0 25px rgba(0, 243, 255, 0.6);
}

.fab svg { width: 28px; height: 28px; }

/* Responsive */
@media (min-width: 900px) {
    .features {
        grid-template-columns: repeat(2, 1fr);
        text-align: left;
    }
    
    .feature-item { text-align: left; margin: 0; }
    .feature-item:nth-child(1) { grid-column: 1 / -1; text-align: center; max-width: 1000px; margin: 0 auto 3rem auto; }
}
/* Extra Sections (Reviews & FAQ) */
.reviews-section, .faq-section {
    padding-top: 2rem;
}

.text-center {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem auto;
}

.reviews-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
    margin-top: 2rem;
}

.review-item, .faq-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 20px;
    backdrop-filter: blur(5px);
    transition: transform 0.4s ease, border-color 0.4s ease;
    text-align: left;
    margin: 0 !important;
    max-width: none !important;
}

.review-item:hover, .faq-item:hover {
    transform: translateY(-5px);
    border-color: rgba(0, 243, 255, 0.3);
}

.stars {
    color: #ffd700;
    font-size: 1.5rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.review-text {
    font-style: italic;
    color: var(--text-primary) !important;
    font-size: 1.1rem !important;
    margin-bottom: 1.5rem !important;
    line-height: 1.8;
}

.review-author {
    color: var(--neon-blue) !important;
    font-weight: 600;
}

.faq-item h3 {
    font-size: 1.4rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.faq-item h3::before {
    content: '?';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: rgba(157, 0, 255, 0.1);
    color: var(--neon-purple);
    border-radius: 50%;
    font-size: 1.1rem;
    border: 1px solid rgba(157, 0, 255, 0.3);
}

@media (min-width: 900px) {
    .reviews-grid, .faq-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}