/* ===========================
   RESET & BASE STYLES
   =========================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Dark Theme Colors */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #111111;
    --color-bg-card: #1a1a1a;
    --color-bg-card-hover: #222222;
    
    /* Neon Accents */
    --color-accent-primary: #00d9ff;
    --color-accent-secondary: #7b2cbf;
    --color-accent-tertiary: #ff006e;
    
    /* Text Colors */
    --color-text-primary: #ffffff;
    --color-text-secondary: #b0b0b0;
    --color-text-muted: #707070;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #00d9ff 0%, #7b2cbf 100%);
    --gradient-secondary: linear-gradient(135deg, #7b2cbf 0%, #ff006e 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(0, 217, 255, 0.15) 0%, transparent 70%);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-base: 16px;
    --line-height-base: 1.6;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    
    /* Shadows & Glows */
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --glow-primary: 0 0 30px rgba(0, 217, 255, 0.3);
    --glow-secondary: 0 0 30px rgba(123, 44, 191, 0.3);
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: var(--line-height-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

.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;
    overflow: hidden;
    background: linear-gradient(180deg, var(--color-bg-primary) 0%, var(--color-bg-secondary) 100%);
}

.hero-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 800px;
    background: var(--gradient-glow);
    border-radius: 50%;
    pointer-events: none;
    animation: pulse-glow 8s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; transform: translateX(-50%) scale(1); }
    50% { opacity: 0.5; transform: translateX(-50%) scale(1.1); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
    0%, 100% { filter: hue-rotate(0deg); }
    50% { filter: hue-rotate(10deg); }
}

.subtitle {
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    font-weight: 300;
    color: var(--color-text-secondary);
}

.hero-description {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-text-secondary);
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

.hero-cta {
    margin-top: var(--spacing-lg);
}

/* ===========================
   BUTTONS
   =========================== */
.btn-primary,
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 1.2rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border: none;
}

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

.btn-whatsapp {
    background: linear-gradient(135deg, #25d366 0%, #128c7e 100%);
    color: var(--color-text-primary);
    box-shadow: 0 0 30px rgba(37, 211, 102, 0.3);
}

.btn-primary:hover,
.btn-whatsapp:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px currentColor;
}

.btn-primary::before,
.btn-whatsapp::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before,
.btn-whatsapp:hover::before {
    width: 300px;
    height: 300px;
}

.btn-icon {
    font-size: 1.3rem;
}

.btn-arrow {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.btn-primary:hover .btn-arrow,
.btn-whatsapp:hover .btn-arrow {
    transform: translateX(5px);
}

.pulse {
    animation: pulse-button 2s ease-in-out infinite;
}

@keyframes pulse-button {
    0%, 100% { box-shadow: 0 0 20px currentColor; }
    50% { box-shadow: 0 0 40px currentColor; }
}

/* ===========================
   SECTIONS
   =========================== */
.value-proposition,
.solutions,
.cta-section,
.policy-section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

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

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

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

/* ===========================
   VALUE PROPOSITION
   =========================== */
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.value-card {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 217, 255, 0.1);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.value-card:hover::before {
    transform: scaleX(1);
}

.value-card:hover {
    transform: translateY(-5px);
    background: var(--color-bg-card-hover);
    box-shadow: var(--shadow-card);
    border-color: rgba(0, 217, 255, 0.3);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 0 10px rgba(0, 217, 255, 0.5));
}

.value-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.value-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===========================
   SOLUTIONS
   =========================== */
.solutions {
    background: var(--color-bg-secondary);
}

.solution-card-large {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 217, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.card-glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(123, 44, 191, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.card-content {
    position: relative;
    z-index: 1;
}

.solution-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    filter: drop-shadow(0 0 15px rgba(0, 217, 255, 0.5));
}

.solution-card-large h3 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text-primary);
}

.solution-card-large p {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.highlight-text {
    color: var(--color-accent-primary);
    font-weight: 500;
    font-size: 1.2rem;
}

/* ===========================
   CTA SECTION
   =========================== */
.cta-section {
    background: var(--color-bg-primary);
}

.cta-card {
    background: var(--color-bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 217, 255, 0.2);
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 217, 255, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-content h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.cta-content p {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
}

/* ===========================
   POLICY SECTIONS
   =========================== */
.policy-section {
    background: var(--color-bg-secondary);
}

.policy-section:nth-child(even) {
    background: var(--color-bg-primary);
}

.policy-card {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(0, 217, 255, 0.1);
}

.policy-card h2 {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent-primary);
}

.policy-content p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.contact-email {
    margin-top: var(--spacing-md);
    font-weight: 500;
}

.contact-email a {
    color: var(--color-accent-primary);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-email a:hover {
    color: var(--color-accent-secondary);
    text-decoration: underline;
}

/* ===========================
   FOOTER
   =========================== */
.footer {
    background: var(--color-bg-primary);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid rgba(0, 217, 255, 0.1);
}

.footer-content {
    text-align: center;
}

.footer-info {
    margin-bottom: var(--spacing-md);
}

.footer-info p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
}

.footer-bottom p {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 768px) {
    :root {
        --spacing-xl: 3rem;
        --spacing-lg: 2rem;
    }
    
    .hero {
        min-height: 90vh;
    }
    
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .solution-card-large,
    .cta-card,
    .policy-card {
        padding: var(--spacing-md);
    }
    
    .btn-primary,
    .btn-whatsapp {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        gap: var(--spacing-xs);
    }
    
    .btn-primary,
    .btn-whatsapp {
        width: 100%;
        justify-content: center;
    }
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content,
.value-card,
.solution-card-large,
.cta-card,
.policy-card {
    animation: fadeIn 0.8s ease-out;
}

/* Stagger animations */
.value-card:nth-child(1) { animation-delay: 0.1s; }
.value-card:nth-child(2) { animation-delay: 0.2s; }
.value-card:nth-child(3) { animation-delay: 0.3s; }