/* ===== VARIABLES ===== */
:root {
    --primary: #ff0000;
    --primary-dark: #cc0000;
    --primary-glow: rgba(255, 0, 0, 0.3);
    --bg-dark: #0a0a0a;
    --bg-card: #151515;
    --bg-header: #101010;
    --text-white: #ffffff;
    --text-light: #e0e0e0;
    --text-muted: #888888;
    --border: rgba(255, 255, 255, 0.1);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

img {
    max-width: 100%;
    display: block;
}

ul {
    list-style: none;
}

/* ===== UTILITIES ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary), #ff6666);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-tag {
    display: inline-block;
    background: rgba(255, 0, 0, 0.15);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--text-white);
}

.section-header p {
    font-size: 16px;
    color: var(--text-muted);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-family: 'Poppins', sans-serif;
    font-weight: 600;
    font-size: 14px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--primary);
    color: var(--text-white);
    border-color: var(--primary);
}

.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--primary-glow);
}

.btn-outline {
    background: transparent;
    color: var(--text-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--text-white);
    transform: translateY(-3px);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(16, 16, 16, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    transition: var(--transition);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 15px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    width: 45px;
    height: 45px;
    border-radius: 10px;
}

.logo span {
    font-family: 'Poppins', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-white);
}

.nav {
    display: flex;
    gap: 30px;
}

.nav a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-light);
}

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

.header-actions {
    display: flex;
    gap: 15px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-white);
    border-radius: 3px;
    transition: var(--transition);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1s ease;
}

.slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to right,
        rgba(10, 10, 10, 0.95) 0%,
        rgba(10, 10, 10, 0.7) 50%,
        rgba(10, 10, 10, 0.4) 100%
    );
}

.slide-content {
    position: relative;
    z-index: 2;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 10%;
}

.slide-content h1 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(36px, 5vw, 60px);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--text-white);
}

.slide-content p {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
}

.slider-controls {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--primary);
    transform: scale(1.3);
}

/* ===== FEATURES ===== */
.features {
    padding: 100px 0;
    background: var(--bg-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 35px 30px;
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(255, 0, 0, 0.1);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), #ff6666);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-icon i {
    font-size: 28px;
    color: var(--text-white);
}

.feature-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-white);
}

.feature-card p {
    color: var(--text-muted);
    font-size: 15px;
}

/* ===== ABOUT ===== */
.about {
    padding: 100px 0;
    background: var(--bg-header);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(28px, 4vw, 38px);
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--text-white);
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 16px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 35px;
}

.stat-item {
    text-align: center;
}

.stat-item strong {
    display: block;
    font-family: 'Poppins', sans-serif;
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
}

.stat-item span {
    font-size: 14px;
    color: var(--text-muted);
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 20px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

/* ===== PRICING ===== */
.pricing {
    padding: 100px 0;
    background: var(--bg-dark);
}

.screen-selector {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.screen-label {
    font-size: 16px;
    color: var(--text-light);
}

.screen-control {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    padding: 8px;
    border-radius: 999px;
    border: 1px solid var(--border);
}

.screen-step {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-white);
    font-size: 14px;
    cursor: pointer;
    transition: var(--transition);
}

.screen-step:disabled {
    cursor: not-allowed;
    opacity: 0.5;
    background: rgba(255, 255, 255, 0.04);
}

.screen-step:hover {
    background: var(--primary);
}

.screen-input {
    width: 64px;
    text-align: center;
    background: transparent;
    border: none;
    color: var(--text-white);
    font-size: 16px;
    font-weight: 700;
    font-family: 'Poppins', sans-serif;
}

.screen-input:focus {
    outline: none;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
}

.plan-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 25px;
    padding: 35px 30px;
    text-align: center;
    transition: var(--transition);
}

.plan-card:hover {
    transform: translateY(-10px);
    border-color: rgba(255, 0, 0, 0.3);
}

.plan-card.featured {
    border-color: var(--primary);
    background: linear-gradient(180deg, rgba(255, 0, 0, 0.1) 0%, var(--bg-card) 100%);
    transform: scale(1.05);
}

.plan-card.featured:hover {
    transform: scale(1.05) translateY(-10px);
}

.plan-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--text-white);
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
}

.plan-badge.secondary {
    background: #4CAF50;
}

.plan-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--text-white);
}

.plan-period {
    font-size: 14px;
    color: var(--text-muted);
    margin-bottom: 25px;
}

.plan-price {
    margin-bottom: 10px;
}

.plan-price .currency {
    font-size: 20px;
    color: var(--text-muted);
    vertical-align: top;
}

.plan-price .amount {
    font-family: 'Poppins', sans-serif;
    font-size: 48px;
    font-weight: 800;
    color: var(--text-white);
}

.plan-savings {
    font-size: 13px;
    color: #4CAF50;
    margin-bottom: 25px;
}

.plan-features {
    text-align: left;
    margin-bottom: 30px;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px solid var(--border);
    color: var(--text-light);
    font-size: 14px;
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features li i {
    color: var(--primary);
    font-size: 12px;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    padding: 100px 0;
    background: var(--bg-header);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 35px 30px;
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.stars {
    margin-bottom: 20px;
}

.stars i {
    color: #FFD700;
    font-size: 16px;
}

.testimonial-card > p {
    font-size: 16px;
    color: var(--text-light);
    font-style: italic;
    margin-bottom: 25px;
    line-height: 1.7;
}

.testimonial-author strong {
    display: block;
    color: var(--text-white);
    font-size: 16px;
    margin-bottom: 3px;
}

.testimonial-author span {
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== APPS ===== */
.apps {
    padding: 100px 0;
    background: var(--bg-dark);
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 20px;
}

.app-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 35px 20px;
    text-align: center;
    transition: var(--transition);
}

.app-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(255, 0, 0, 0.1);
}

.app-card i {
    font-size: 45px;
    color: var(--primary);
    margin-bottom: 15px;
}

.app-card h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 5px;
}

.app-card span {
    font-size: 13px;
    color: var(--text-muted);
}

/* ===== FAQ ===== */
.faq {
    padding: 100px 0;
    background: var(--bg-header);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 15px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(255, 0, 0, 0.3);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 22px 25px;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
}

.faq-question span {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-white);
}

.faq-question i {
    color: var(--primary);
    font-size: 14px;
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-answer p {
    padding: 0 25px 22px;
    color: var(--text-muted);
    font-size: 15px;
    line-height: 1.7;
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

/* ===== CTA ===== */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
}

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

.cta-content h2 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 30px;
}

.cta .btn-primary {
    background: var(--text-white);
    color: var(--primary);
    border-color: var(--text-white);
}

.cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

/* ===== FOOTER ===== */
.footer {
    padding: 80px 0 30px;
    background: var(--bg-header);
    border-top: 1px solid var(--border);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 50px;
    margin-bottom: 50px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 20px;
}

.footer-links a {
    display: block;
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 12px;
}

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

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
    font-size: 14px;
}

.footer-contact i {
    color: var(--primary);
}

.footer-bottom {
    padding-top: 30px;
    border-top: 1px solid var(--border);
    text-align: center;
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ===== WHATSAPP FLOAT ===== */
.scroll-top {
    opacity: 0;
    pointer-events: none;
    transform: translateY(8px);
    transition: opacity var(--transition), transform var(--transition);
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: 20%;
    margin-bottom: 10px;
    background: #1f1f1f;
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
    z-index: 998;
}

.scroll-top.is-visible {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.scroll-top i {
    font-size: 18px;
}

.scroll-top:hover {
    transform: translateY(-2px);
    border-color: var(--primary);
    color: var(--primary);
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 20%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 25px rgba(37, 211, 102, 0.4);
    z-index: 999;
    animation: pulse 2s infinite;
}

.whatsapp-float i {
    font-size: 32px;
    color: var(--text-white);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 35px rgba(37, 211, 102, 0.5);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5);
    }
    70% {
        box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-stats {
        justify-content: center;
    }

    .about-image {
        order: -1;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--bg-header);
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        border-bottom: 1px solid var(--border);
    }

    .nav.active {
        display: flex;
    }

    .header-actions {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .slide-content {
        padding: 0 5%;
        text-align: center;
        max-width: 100%;
        align-items: center;
    }

    .hero-buttons {
        justify-content: center;
    }

    .plan-card.featured {
        transform: none;
    }

    .plan-card.featured:hover {
        transform: translateY(-10px);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-brand .logo {
        justify-content: center;
    }

    .footer-contact p {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .features-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .apps-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        flex-direction: column;
        gap: 25px;
    }
}