/* ==================== VARIABLES ==================== */
:root {
    /* Colors */
    --color-primary: #00ff88;
    --color-primary-dark: #00cc6e;
    --color-secondary: #00d9ff;
    --color-bg-dark: #0a0e17;
    --color-bg-darker: #050810;
    --color-bg-light: #141824;
    --color-bg-card: #1a1f2e;
    --color-text: #e4e6eb;
    --color-text-muted: #8b92a8;
    --color-border: #2a2f3e;
    --color-success: #00ff88;
    --color-warning: #ffaa00;
    --color-danger: #ff4444;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-code: 'Fira Code', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(0, 255, 136, 0.3);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

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

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-bg-dark);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.section__title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 600px;
    margin: 0 auto;
}

.highlight {
    color: var(--color-primary);
    position: relative;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: 2px solid transparent;
    text-align: center;
}

.btn--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-bg-dark);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn--secondary {
    background: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn--secondary:hover {
    background: var(--color-primary);
    color: var(--color-bg-dark);
}

.btn--full {
    width: 100%;
}

/* ==================== HEADER & NAVIGATION ==================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(10, 14, 23, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background: rgba(10, 14, 23, 0.98);
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 50px;
    width: auto;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav__link {
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-normal);
}

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

.nav__link:hover::after {
    width: 100%;
}

.nav__link--cta {
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-bg-dark);
}

.nav__link--cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav__link--cta::after {
    display: none;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.nav__toggle-icon {
    width: 25px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-normal);
}

/* ==================== HERO SECTION ==================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at top, rgba(0, 255, 136, 0.1), transparent 50%);
    pointer-events: none;
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero__badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero__description {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

/* Terminal Animation */
.terminal {
    background: var(--color-bg-darker);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.terminal__header {
    display: flex;
    gap: 8px;
    padding: 12px 16px;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.terminal__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal__dot--red {
    background: #ff5f56;
}

.terminal__dot--yellow {
    background: #ffbd2e;
}

.terminal__dot--green {
    background: #27c93f;
}

.terminal__body {
    padding: var(--spacing-md);
    font-family: var(--font-code);
    font-size: 0.875rem;
}

.terminal__line {
    margin-bottom: 0.5rem;
}

.terminal__prompt {
    color: var(--color-primary);
}

.terminal__cursor {
    color: var(--color-text);
    /* Typewriter effect - no blinking */
}

.terminal__output {
    color: var(--color-text-muted);
    padding-left: 1rem;
}

.terminal__success {
    color: var(--color-success);
    padding-left: 1rem;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ==================== SERVICES SECTION ==================== */
.services {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-darker);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-normal);
    position: relative;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.service-card--featured {
    border-color: var(--color-primary);
    background: linear-gradient(135deg, rgba(0, 255, 136, 0.05), rgba(0, 217, 255, 0.05));
}

.service-card__badge {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    padding: 0.25rem 0.75rem;
    background: var(--color-primary);
    color: var(--color-bg-dark);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 50px;
}

.service-card__icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.service-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.service-card__description {
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.service-card__features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-card__features li {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    padding-left: 1.5rem;
    position: relative;
}

.service-card__features li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

/* ==================== ABOUT SECTION ==================== */
.about {
    padding: var(--spacing-xxl) 0;
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about__text {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.about__features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.feature {
    display: flex;
    gap: var(--spacing-md);
}

.feature__icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 255, 136, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-primary);
}

.feature__content h4 {
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.feature__content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.about__stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.stat-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-normal);
}

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

.stat-card__number {
    font-size: 3rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-card__label {
    color: var(--color-text-muted);
    font-size: 1rem;
}

/* ==================== CONTACT SECTION ==================== */
.contact {
    padding: var(--spacing-xxl) 0;
    background: var(--color-bg-darker);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xxl);
}

.contact__description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-xl);
    line-height: 1.8;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.contact__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--color-text-muted);
}

.contact__item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

/* Form */
.contact__form {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
}

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

.form__input {
    width: 100%;
    padding: 0.875rem 1rem;
    background: var(--color-bg-dark);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all var(--transition-normal);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.form__textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==================== FOOTER ==================== */
.footer {
    background: var(--color-bg-darker);
    border-top: 1px solid var(--color-border);
    padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer__logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--spacing-sm);
}

.footer__tagline {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.footer__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__list a {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    transition: color var(--transition-fast);
}

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

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
    font-size: 0.875rem;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 968px) {
    .hero__container {
        grid-template-columns: 1fr;
    }

    .hero__visual {
        order: -1;
    }

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

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

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    .footer__brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background: var(--color-bg-dark);
        border-top: 1px solid var(--color-border);
        padding: var(--spacing-lg);
        transition: left var(--transition-normal);
    }

    .nav__menu.active {
        left: 0;
        box-shadow: var(--shadow-lg);
    }

    .nav__list {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active .nav__toggle-icon:nth-child(1) {
        transform: rotate(45deg) translateY(10px);
    }

    .nav__toggle.active .nav__toggle-icon:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.active .nav__toggle-icon:nth-child(3) {
        transform: rotate(-45deg) translateY(-10px);
    }

    .hero__buttons {
        flex-direction: column;
    }

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

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

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-xxl) 0;
    }

    .terminal {
        font-size: 0.75rem;
    }
}

/* ==================== WHATSAPP FLOATING BUTTON ==================== */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-normal);
    cursor: pointer;
}

.whatsapp-float:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}