/* ==========================================================================
   KOLOZZUS - COMPONENTES & ESTILOS VISUALES
   ========================================================================== */

/* 1. HEADER & NAV */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(11, 15, 23, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--color-border-light);
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text-main);
}

.logo-icon {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, #2563EB, #06B6D4);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 900;
    box-shadow: var(--shadow-glow);
}

.logo-text span {
    color: var(--color-cyan);
}

.nav-desktop {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-fast);
    border-radius: 2px;
}

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

.nav-link.goliak-link:hover::after {
    background: var(--color-goliak-primary);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Mobile Hamburger Toggle */
.hamburger-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 32px;
    height: 32px;
    background: transparent;
    padding: 4px;
    z-index: 1002;
}

.hamburger-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-main);
    border-radius: 2px;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.hamburger-toggle.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

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

.hamburger-toggle.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.nav-mobile {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 360px;
    height: 100vh;
    background: var(--color-bg-secondary);
    border-left: 1px solid var(--color-border);
    padding: 6rem 2rem 3rem 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 1001;
    transition: right var(--transition-normal);
    box-shadow: -10px 0 30px rgba(0,0,0,0.7);
}

.nav-mobile.active {
    right: 0;
}

.nav-mobile .nav-link {
    font-size: 1.15rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

.mobile-overlay.active {
    opacity: 1;
    visibility: visible;
}


/* 2. BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.6rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
    text-align: center;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), #1D4ED8);
    color: #fff;
    box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.5);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--color-text-main);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-text-muted);
}

.btn-goliak {
    background: linear-gradient(135deg, var(--color-goliak-primary), var(--color-goliak-hover));
    color: #022C22;
    font-weight: 700;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
}

.btn-goliak:hover {
    box-shadow: 0 6px 22px rgba(16, 185, 129, 0.5);
}

.btn-outline-goliak {
    background: transparent;
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.5);
}

.btn-outline-goliak:hover {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--color-goliak-primary);
}


/* 3. HERO PRINCIPAL */
.hero {
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 5rem;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.25rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 2.25rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border-light);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), var(--shadow-glow);
    background: var(--color-bg-secondary);
}

.hero-image-card img {
    width: 100%;
    height: auto;
    object-fit: cover;
}


/* 4. TRES PILARES */
.pilars-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.pilar-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.pilar-card:hover {
    transform: translateY(-6px);
    border-color: rgba(37, 99, 235, 0.4);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

/* Identidad diferenciada para tarjeta GOLIAK */
.pilar-card.pilar-goliak {
    background: var(--color-goliak-card-bg);
    border-color: var(--color-goliak-border);
}

.pilar-card.pilar-goliak:hover {
    border-color: var(--color-goliak-primary);
    box-shadow: var(--shadow-card), var(--shadow-goliak-glow);
}

.pilar-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: rgba(37, 99, 235, 0.15);
    color: #60A5FA;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
}

.pilar-goliak .pilar-icon {
    background: rgba(16, 185, 129, 0.15);
    color: var(--color-goliak-primary);
}

.pilar-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
}

.pilar-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.pilar-tagline {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-cyan);
    margin-bottom: 0.75rem;
}

.pilar-goliak .pilar-tagline {
    color: #34D399;
}

.pilar-description {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    flex-grow: 1;
}


/* 5. SOPORTE TÉCNICO DETAIL */
.support-banner {
    background: linear-gradient(145deg, #131C2E 0%, #0F172A 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 3rem;
    margin-bottom: 3.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    text-align: center;
    align-items: center;
}

.support-banner h3 {
    font-size: 1.75rem;
    font-weight: 700;
}

.support-banner p {
    color: var(--color-text-muted);
    font-size: 1.1rem;
    max-width: 750px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.service-item {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.service-item:hover {
    background: var(--color-bg-card-hover);
    border-color: rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

.service-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    background: rgba(37, 99, 235, 0.12);
    color: #60A5FA;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.service-item span {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--color-text-main);
}


/* 6. GOLIAK SECCIÓN DESTACADA */
.goliak-section-box {
    background: var(--color-goliak-card-bg);
    border: 1px solid var(--color-goliak-border);
    border-radius: var(--radius-lg);
    padding: 4rem 3rem;
    box-shadow: var(--shadow-goliak-glow);
    position: relative;
    overflow: hidden;
}

.goliak-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: center;
}

.goliak-benefits {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.9rem;
    margin: 2rem 0 2.5rem 0;
}

.goliak-benefit-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1rem;
    color: #E2E8F0;
}

.goliak-benefit-item svg {
    color: var(--color-goliak-primary);
    flex-shrink: 0;
}

.goliak-image-container {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(16, 185, 129, 0.3);
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
}


/* 7. DESARROLLO DE SOFTWARE */
.dev-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.dev-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 1.75rem;
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.dev-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-cyan);
}

.dev-card-icon {
    width: 46px;
    height: 46px;
    border-radius: var(--radius-sm);
    background: rgba(6, 182, 212, 0.12);
    color: var(--color-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
}

.dev-card h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}


/* 8. ¿POR QUÉ KOLOZZUS? */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 2rem;
}

.why-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: transform var(--transition-fast);
}

.why-card:hover {
    transform: translateY(-4px);
}

.why-num {
    width: 50px;
    height: 50px;
    margin: 0 auto 1.25rem auto;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.12);
    color: #60A5FA;
    font-weight: 800;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(37, 99, 235, 0.3);
}

.why-card h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

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


/* 9. PROCESO DE TRABAJO */
.process-flow {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
    position: relative;
}

.process-step {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border-light);
    border-radius: var(--radius-md);
    padding: 1.75rem 1.25rem;
    text-align: center;
    position: relative;
}

.step-number {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    font-weight: 800;
    font-size: 0.85rem;
    padding: 0.2rem 0.6rem;
    border-radius: var(--radius-full);
    margin-bottom: 1rem;
}

.process-step h4 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.process-step p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}


/* 10. FORMULARIO DE CONTACTO */
.contact-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 3.5rem 3rem;
    box-shadow: var(--shadow-card);
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.full-width {
    grid-column: span 2;
}

.form-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-main);
}

.form-input, .form-select, .form-textarea {
    width: 100%;
    padding: 0.85rem 1.1rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-main);
    font-size: 0.95rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.form-select option {
    background: var(--color-bg-secondary);
    color: var(--color-text-main);
}

.form-error {
    font-size: 0.8rem;
    color: #EF4444;
    display: none;
}

.form-group.error .form-input,
.form-group.error .form-select,
.form-group.error .form-textarea {
    border-color: #EF4444;
}

.form-group.error .form-error {
    display: block;
}

.form-status {
    padding: 1rem;
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    display: none;
    font-weight: 600;
    text-align: center;
}

.form-status.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    color: #34D399;
    border: 1px solid rgba(16, 185, 129, 0.4);
}

.form-status.error-banner {
    display: block;
    background: rgba(239, 68, 68, 0.15);
    color: #F87171;
    border: 1px solid rgba(239, 68, 68, 0.4);
}


/* 11. WHATSAPP FLOTANTE */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: #25D366;
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: var(--radius-full);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    font-weight: 700;
    font-size: 0.9rem;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 14px 30px rgba(37, 211, 102, 0.55);
}

.whatsapp-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}


/* 12. CTA FINAL */
.cta-banner {
    background: linear-gradient(135deg, #1E293B 0%, #0F172A 100%);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 4rem 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 300px;
    background: radial-gradient(circle, rgba(37,99,235,0.2) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
}


/* 13. FOOTER */
.footer {
    background: #070A10;
    border-top: 1px solid var(--color-border);
    padding: 4rem 0 2rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3.5rem;
}

.footer-brand p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin: 1rem 0 1.5rem 0;
    max-width: 320px;
}

.footer-col-title {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--color-text-main);
}

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

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

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

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid var(--color-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-text-subtle);
    font-size: 0.85rem;
}


/* RESPONSIVE DESIGN (MOBILE & TABLET) */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

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

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

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

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

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

@media (max-width: 768px) {
    .nav-desktop, .header-actions .btn {
        display: none;
    }

    .hamburger-toggle {
        display: flex;
    }

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

    .process-flow {
        grid-template-columns: 1fr;
    }

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

    .form-group.full-width {
        grid-column: span 1;
    }

    .contact-wrapper {
        padding: 2rem 1.5rem;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .whatsapp-text {
        display: none;
    }

    .whatsapp-float {
        padding: 0.85rem;
        border-radius: 50%;
    }
}