/* Fonts */
@import url('https://fonts.cdnfonts.com/css/glacial-indifference-2');

/* Variables */
:root {
    --primary: #101a2b;
    --white: #ffffff;
    --black: #000000;
    --text: #353535;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
}

/* Base */
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth !important;  }
body {
    font-family: 'Glacial Indifference', 'Helvetica', Arial, sans-serif;
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}
h1, h2, h3, h4, h5, h6 { color: var(--black); font-weight: 600; line-height: 1.2; }

a { text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }

/* Form Validation */
.text-danger {
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

.form-control.input-validation-error {
    border-color: #dc3545;
}

.alert {
    border-radius: 8px;
    margin-bottom: 2rem;
}

/* Navbar */
.navbar {
    padding: 1.5rem 0;
    transition: var(--transition);
    background: transparent;
    z-index: 1000;
}
.navbar.scrolled {
    background: var(--black) !important;
    padding: 1rem 0;
    box-shadow: var(--shadow-md);
}
.navbar-brand {
    font-family: 'Helvetica', Arial, sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--white) !important;
}
.navbar-brand:hover { opacity: 0.8; }
.navbar-nav .nav-link {
    color: var(--white) !important;
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 1rem !important;
    margin: 0 0.2rem;
    letter-spacing: 0.5px;
    position: relative;
}
.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%) rotate(45deg);
    width: 8px;
    height: 8px;
    background: var(--white);
    opacity: 0;
    transition: var(--transition);
}
.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    opacity: 1;
    bottom: -5px;
}
.navbar-toggler { border-color: rgba(255, 255, 255, 0.5); }
.navbar-toggler:focus { box-shadow: none; }

/* Hero */
.hero-section {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}
.hero-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}
.hero-slide.active { opacity: 1; }
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6), rgba(16, 26, 43, 0.8));
}
.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
}
.hero-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 1.5rem;
    color: var(--white) !important;
}
.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.3rem);
    font-weight: 300;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
    color: var(--white) !important;
}
.hero-cta {
    background: transparent !important;
    border: 2px solid var(--white);
    color: var(--white);
    padding: 1rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
    border-radius: 50px !important;
}
.hero-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--white);
    transition: var(--transition);
    z-index: -1;
}
.hero-cta:hover {
    color: var(--black);
    border-color: var(--white);
}
.hero-cta:hover::before { left: 0; }
.hero-indicators {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    gap: 15px;
}
.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.4);
    cursor: pointer;
    transition: all 0.2s ease;
}
.indicator.active,
.indicator:hover {
    background: var(--white);
    transform: scale(1.2);
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}
.fade-in-up {
    animation: fadeInUp 0.8s ease-out forwards;
    opacity: 0;
}
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }
.delay-4 { animation-delay: 0.8s; }
.delay-5 { animation-delay: 1s; }
.delay-6 { animation-delay: 1.2s; }
.delay-7 { animation-delay: 1.4s; }
.delay-8 { animation-delay: 1.6s; }
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Services */
.services-section {
    background: var(--white);
    padding: 6rem 0;
}
.service-card {
    background: #f8f9fa;
    padding: 2rem;
    border-radius: 8px;
    transition: var(--transition);
    height: 100%;
    border: 1px solid transparent;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}
.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}
.service-icon {
    width: 60px;
    height: 60px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    border-radius: 50%;
    color: var(--white);
    font-size: 1.5rem;
    transition: var(--transition);
}
.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
}
.service-content { flex: 1; }
.service-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--black);
    letter-spacing: 0.5px;
    line-height: 1.4;
}
.service-description {
    font-size: 0.85rem;
    color: var(--text);
    line-height: 1.6;
}

/* Why Section */
.why-section {
    background: #f8f9fa;
    padding: 6rem 0;
}
.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    letter-spacing: 2px;
    color: var(--black);
    margin-bottom: 100px;
}
.why-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    max-height: 600px;
}
.why-image {
    width: 100%;
    transition: var(--transition);
}
.why-image-wrapper:hover .why-image { transform: scale(1.05); }
.why-content { padding-left: 2rem; }
.why-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
    align-items: flex-start;
}
.why-number {
    min-width: 35px;
    height: 35px;
    background: var(--primary);
    color: var(--white);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
    flex-shrink: 0;
}
.why-text h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: var(--black);
}
.why-text p {
    font-size: 1rem;
    color: var(--text);
    line-height: 1.7;
}

/* Portfolio */
.portfolio-section {
    background: var(--white);
    padding: 6rem 0;
}

.portfolio-tabs {
    border: none;
    gap: 1rem;
    flex-wrap: wrap;
}

    .portfolio-tabs .nav-link {
        border: 2px solid #dee2e6;
        border-radius: 50px;
        padding: 0.7rem 2rem;
        color: var(--text);
        font-weight: 600;
        letter-spacing: 1px;
        background: transparent;
        transition: all 0.2s ease;
    }

        .portfolio-tabs .nav-link:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .portfolio-tabs .nav-link.active {
            background: var(--black);
            border-color: var(--black);
            color: var(--white);
        }

.portfolio-grid {
    columns: 3;
    column-gap: 0.6rem;
    orphans: 1;
    widows: 1;
}

.portfolio-item-wrapper {
    break-inside: avoid;
    -webkit-column-break-inside: avoid;
    page-break-inside: avoid;
    display: inline-block;
    width: 100%;
    margin-bottom: 0.6rem;
    border-radius: 6px;
    overflow: hidden;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    border-radius: 6px;
    display: block;
}

.portfolio-image {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: rgba(16, 26, 43, 0.88);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
    color: var(--white);
    text-align: center;
    padding: 2rem;
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.06);
    filter: brightness(0.85);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--white);
    letter-spacing: 1px;
}

.portfolio-overlay p {
    font-size: 1rem;
    opacity: 0.9;
}

.btn-outline-dark {
    border: 2px solid var(--black);
    color: var(--black);
    padding: 0.8rem 3rem;
    font-weight: 600;
    letter-spacing: 1px;
    border-radius: 50px;
    transition: all 0.2s ease;
}

    .btn-outline-dark:hover {
        background: var(--black);
        color: var(--white);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

.btn-ver-mas--disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* Companies */
.companies-section {
    background: #f8f9fa;
    padding: 6rem 0;
}
.companies-slider-wrapper {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
}
.companies-slider {
    overflow: hidden;
    padding: 2rem 0;
}
.companies-track {
    display: flex;
    gap: 3rem;
    transition: transform 0.5s ease;
}
.company-slide {
    flex: 0 0 auto;
    width: 200px;
}
.company-logo {
    background: var(--white);
    border: 2px solid #dee2e6;
    border-radius: 12px;
    padding: 2rem;
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}
.company-logo:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}
.company-name {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--black);
    letter-spacing: 2px;
}
.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    /* background: var(--white); */
    background: none;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    z-index: 10;
}
.slider-btn:hover {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}
.prev-btn { left: -60px; }
.next-btn { right: -60px; }

/* Team */
.team-section {
    background: var(--white);
    padding: 6rem 0;
}
.section-subtitle {
    font-size: 0.95rem;
    color: var(--text);
    letter-spacing: 0.5px;
    line-height: 1.8;
}
.team-image-wrapper {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    height: 450px;
}
.team-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    filter: grayscale(100%);
}
.team-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.3);
    padding: 2rem;
    transform: translateY(100%);
    transition: var(--transition);
}
.team-image-wrapper:hover .team-image {
    transform: scale(1.05);
    filter: grayscale(0%);
}
.team-image-wrapper:hover .team-overlay { transform: translateY(0); }
.team-info h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.3rem;
    letter-spacing: 1px;
}
.team-info p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.5px;
}

/* Contact */
.contact-section {
    background: #f8f9fa;
    padding: 6rem 0;
}
.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    background: var(--white);
    border-radius: 8px;
    border: 1px solid #dee2e6;
    transition: all 0.2s ease;
    height: 100%;
}
.contact-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}
.contact-item i {
    font-size: 1.5rem;
    color: var(--primary);
    flex-shrink: 0;
    width: 40px;
    text-align: center;
}
.contact-text h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--black);
    line-height: 1.5;
    margin: 0;
}
.contact-form .form-control {
    border: 1px solid #dee2e6;
    padding: 1rem;
    border-radius: 8px;
    transition: all 0.2s ease;
    font-size: 0.95rem;
    max-width: 1000px;
}
.contact-form .form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(16, 26, 43, 0.1);
}
.contact-form textarea.form-control {
    resize: vertical;
    min-height: 120px;
}
.contact-form .btn-primary {
    background: var(--primary);
    border: 2px solid var(--primary);
    padding: 1rem 2rem;
    font-weight: 600;
    letter-spacing: 1px;
    transition: all 0.2s ease;
}
.contact-form .btn-primary:hover {
    background: var(--black);
    border-color: var(--black);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 4rem 0 2rem;
}
.footer h5 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white);
    letter-spacing: 1px;
}
.footer p { opacity: 0.8; line-height: 1.8; }
.footer-links {
    list-style: none;
    padding: 0;
}
.footer-links li { margin-bottom: 0.8rem; }
.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.2s ease;
}
.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}
.social-links { display: flex; gap: 1rem; }
.social-links a {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.2rem;
    transition: all 0.2s ease;
}
.social-links a:hover {
    background: var(--white);
    color: var(--primary);
    transform: translateY(-3px);
}
.footer hr { border-color: rgba(255, 255, 255, 0.2); }

/* WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 999;
}
.whatsapp-float a {
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    transition: all 0.2s ease;
    animation: pulse 2s infinite;
}
.whatsapp-float a:hover { transform: scale(1.1); }
@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    50% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
}
.whatsapp-tooltip {
    position: absolute;
    right: 75px;
    top: 50%;
    transform: translateY(-50%) translateX(10px);
    background: var(--white);
    color: var(--black);
    padding: 0.8rem 1.2rem;
    border-radius: 8px;
    white-space: nowrap;
    box-shadow: var(--shadow-md);
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}
.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    right: -8px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 8px solid var(--white);
    border-top: 8px solid transparent;
    border-bottom: 8px solid transparent;
}
.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(0);
}

/* Responsive */
@media (max-width: 1199px) {
    .prev-btn { left: -25px; }
    .next-btn { right: -25px; }
}

@media (max-width: 991px) {
    .navbar-collapse {
        background: rgba(0, 0, 0, 0.95);
        padding: 1.5rem;
        margin-top: 1rem;
        border-radius: 8px;
    }
    .why-content { padding-left: 0; margin-top: 2rem; }
    .slider-btn { display: none; }

    .portfolio-grid {
        columns: 2;
    }

    .portfolio-item-wrapper:nth-child(n) {
        grid-column: unset;
        grid-row: unset;
    }
}

@media (max-width: 767px) {
    .services-section,
    .why-section,
    .portfolio-section,
    .companies-section,
    .team-section,
    .contact-section { padding: 4rem 0; }
    .section-title { font-size: 2rem; }
    .service-card {
        padding: 1.5rem;
        flex-direction: column;
        text-align: center;
        align-items: center;
    }
    .service-icon { margin: 0 auto 1rem; }
    .why-number { min-width: 50px; height: 50px; font-size: 1.2rem; }
    .portfolio-grid {
        columns: 1;
    }
    .team-image-wrapper { height: 400px; }
    .whatsapp-float { bottom: 20px; right: 20px; }
    .whatsapp-float a { width: 55px; height: 55px; font-size: 1.8rem; }
    .whatsapp-tooltip { display: none; }
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; }
::-webkit-scrollbar-track { background: #f1f1f1; }
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover { background: var(--black); }