* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background: #f5f7fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.ticker-bar {
    background: #1a1a2e;
    border-bottom: 2px solid #00d4ff;
    color: #fff;
    padding: 10px 0;
    overflow: hidden;
    white-space: nowrap;
    position: fixed;
    top: 0; width: 100%;
    z-index: 1001;
}
.ticker-track {
    display: inline-flex;
    align-items: center;
    gap: 0;
    animation: ticker 35s linear infinite;
}
.ticker-track span {
    font-size: 0.82rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    color: rgba(255,255,255,0.85);
}
.ticker-track strong { color: #00d4ff; }
.ticker-sep {
    display: inline-block;
    width: 6px; height: 6px;
    background: #00d4ff;
    border-radius: 50%;
    margin: 0 20px;
    vertical-align: middle;
    flex-shrink: 0;
}
@keyframes ticker {
    0% { transform: translateX(100vw); }
    100% { transform: translateX(-100%); }
}

nav {
    background: #1a1a2e;
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 40px;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

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

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

.logo img {
    height: 50px;
    width: 50px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(0, 212, 255, 0.3);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: #00d4ff;
}

.hamburger { display: none; }

.logo-text {
    color: #fff;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-left: 10px;
}

.nav-brand {
    color: #00d4ff;
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.nav-promo {
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #ff6b00, #ff0055, #ff6b00);
    background-size: 200% auto;
    color: #fff;
    font-size: 0.8rem;
    font-weight: 600;
    padding: 7px 18px;
    border-radius: 25px;
    text-decoration: none;
    letter-spacing: 0.3px;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(255,0,85,0.5);
    animation: promoGradient 3s linear infinite, promoBounce 2s ease-in-out infinite;
    border: 1px solid rgba(255,255,255,0.3);
}
.promo-tag {
    background: white;
    color: #ff0055;
    font-size: 0.65rem;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 10px;
    letter-spacing: 1px;
}
.nav-promo::after {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 60%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: promoShine 2s linear infinite;
}
@keyframes promoGradient {
    0% { background-position: 0% center; }
    100% { background-position: 200% center; }
}
@keyframes promoBounce {
    0%,100% { transform: translateY(0); box-shadow: 0 4px 20px rgba(255,0,85,0.5); }
    50% { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(255,0,85,0.8); }
}
@keyframes promoShine {
    0% { left: -100%; }
    100% { left: 200%; }
}

.hero {
    background: #1a1a2e;
    color: #fff;
    padding: 150px 0 100px;
    text-align: center;
    margin-top: 100px;
    position: relative;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.4;
    overflow: hidden;
}

.hero-images {
    display: flex;
    animation: scrollHorizontal 30s linear infinite;
}

.hero-images img {
    height: 100%;
    width: 400px;
    object-fit: cover;
    flex-shrink: 0;
}

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

.hero-logo {
    margin-bottom: 0.5rem;
    animation: fadeInUp 1s;
}

.hero-logo img {
    height: 220px;
    width: 220px;
    border-radius: 50%;
    animation: logoFloat 3s ease-in-out infinite;
    transition: transform 0.3s;
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.4);
    border: 3px solid rgba(0, 212, 255, 0.3);
    object-fit: contain;
    background: white;
    padding: 6px;
}

.hero-logo img:hover {
    transform: scale(1.1) rotate(5deg);
}

.hero-slogan {
    font-size: 1.1rem;
    color: #00d4ff;
    opacity: 0.8;
    margin-bottom: 2.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: fadeInUp 1.2s;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: fadeInUp 1.4s;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    animation: fadeInUp 1.6s;
}

.btn {
    display: inline-block;
    background: #00d4ff;
    color: #1a1a2e;
    padding: 12px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
    border: none;
    cursor: pointer;
    animation: pulse 2s infinite;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,212,255,0.3);
    background: #00b8e6;
}

.services {
    padding: 80px 0;
    background: #f8f9fa;
}

.services h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1a1a2e;
    animation: fadeInUp 1s;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: #fff;
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    cursor: pointer;
    position: relative;
    animation: slideInUp 0.6s ease-out forwards;
    opacity: 0;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }
.service-card:nth-child(5) { animation-delay: 0.5s; }

.service-card .service-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.service-options {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    margin-top: 1rem;
}

.service-options.active {
    max-height: 300px;
}

.service-options ul {
    list-style: none;
    text-align: left;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    margin-top: 1rem;
}

.service-options li {
    padding: 0.5rem 0;
    color: #555;
    font-size: 0.95rem;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    color: #1a1a2e;
    margin-bottom: 1rem;
}

/* EXPERTISE */
.expertise { padding: 80px 0; background: #1a1a2e; }
.expertise h2 { text-align: center; font-size: 2.5rem; color: #fff; margin-bottom: 0.5rem; }
.expertise-sub { text-align: center; color: #00d4ff; margin-bottom: 3rem; font-size: 1rem; opacity: 0.85; }
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}
.expertise-item {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(0,212,255,0.15);
    border-radius: 12px;
    padding: 1.8rem;
    text-align: center;
    transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
    animation: slideInUp 0.6s ease-out forwards;
    opacity: 0;
}
.expertise-item:nth-child(1) { animation-delay: 0.1s; }
.expertise-item:nth-child(2) { animation-delay: 0.2s; }
.expertise-item:nth-child(3) { animation-delay: 0.3s; }
.expertise-item:nth-child(4) { animation-delay: 0.4s; }
.expertise-item:nth-child(5) { animation-delay: 0.5s; }
.expertise-item:nth-child(6) { animation-delay: 0.6s; }
.expertise-item:nth-child(7) { animation-delay: 0.7s; }
.expertise-item:nth-child(8) { animation-delay: 0.8s; }
.expertise-item:hover { transform: translateY(-8px); border-color: #00d4ff; box-shadow: 0 10px 30px rgba(0,212,255,0.2); }
.expertise-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.expertise-item h3 { color: #00d4ff; font-size: 1rem; margin-bottom: 0.7rem; }
.expertise-item p { color: rgba(255,255,255,0.7); font-size: 0.88rem; line-height: 1.6; }

/* ABOUT */
.about { padding: 80px 0; background: #f5f7fa; }
.about-header { text-align: center; margin-bottom: 50px; }
.about-header h2 { font-size: 2.5rem; color: #1a1a2e; margin-bottom: 10px; }
.about-sub { color: #666; font-size: 1rem; max-width: 600px; margin: 0 auto; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: start; }

.about-block { margin-bottom: 28px; }
.about-label {
    display: inline-block;
    background: #1a1a2e;
    color: #00d4ff;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 10px;
}
.about-block p { color: #555; line-height: 1.8; font-size: 0.95rem; }

.about-values { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 10px; }
.value-item {
    display: flex; align-items: center; gap: 6px;
    background: #fff;
    border: 1px solid #e0e0e0;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.85rem;
    font-weight: 600;
    color: #1a1a2e;
    box-shadow: 0 2px 8px rgba(0,0,0,0.06);
}

.about-stats-card {
    background: #1a1a2e;
    border-radius: 16px;
    padding: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin-bottom: 20px;
}
.about-stat { text-align: center; }
.stat-num { display: block; font-size: 2rem; font-weight: 800; color: #00d4ff; }
.stat-label { font-size: 0.78rem; color: rgba(255,255,255,0.7); }

.about-location {
    display: flex; align-items: flex-start; gap: 16px;
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.07);
    margin-bottom: 20px;
    border-left: 4px solid #00d4ff;
}
.location-icon { font-size: 1.8rem; }
.about-location h4 { color: #1a1a2e; font-size: 0.9rem; margin-bottom: 6px; }
.about-location p { color: #666; font-size: 0.85rem; line-height: 1.7; }

.about-cta {
    display: block; text-align: center;
    background: linear-gradient(135deg, #1a1a2e, #00d4ff);
    color: #fff;
    padding: 14px;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 700;
    font-size: 0.95rem;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 4px 16px rgba(0,212,255,0.3);
}
.about-cta:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(0,212,255,0.4); }

@media (max-width: 768px) {
    .about-grid { grid-template-columns: 1fr; }
}

.contact {
    padding: 80px 0;
    background: #f8f9fa;
}

.publications {
    padding: 80px 0;
    background: #fff;
}

.publications h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1a1a2e;
    animation: fadeInUp 1s;
}

.publications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.publication-card {
    background: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
    animation: slideInUp 0.6s ease-out forwards;
    opacity: 0;
    cursor: pointer;
}

.publication-card:nth-child(1) { animation-delay: 0.1s; }
.publication-card:nth-child(2) { animation-delay: 0.2s; }
.publication-card:nth-child(3) { animation-delay: 0.3s; }

.publication-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.publication-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.publication-content {
    padding: 1.5rem;
}

.publication-date {
    color: #00d4ff;
    font-size: 0.9rem;
    font-weight: bold;
}

.publication-card h3 {
    color: #1a1a2e;
    margin: 0.5rem 0 1rem;
    font-size: 1.3rem;
}

.publication-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.publication-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-top: 0.5rem;
    border-top: 1px solid #eee;
    font-size: 0.85rem;
    color: #888;
}

.author, .reading-time {
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.read-more {
    color: #00d4ff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s;
}

.read-more:hover {
    color: #0099cc;
}

.contact h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: #1a1a2e;
    animation: fadeInUp 1s;
}

.contact-whatsapp {
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeInUp 1.1s;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    background: #25D366;
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    transition: transform 0.3s, box-shadow 0.3s;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
}

.whatsapp-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
}

.contact-address {
    text-align: center;
    margin-bottom: 2rem;
    animation: fadeInUp 1.2s;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    animation: fadeInUp 1.2s;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #00d4ff;
}

footer { }
.footer-top {
    background: #0f0f1e;
    padding: 60px 0 40px;
    border-top: 1px solid rgba(0,212,255,0.15);
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 40px;
}
.footer-brand img {
    width: 55px; height: 55px;
    border-radius: 10px;
    object-fit: contain;
    background: white;
    padding: 4px;
    margin-bottom: 12px;
}
.footer-brand h3 { color: #fff; font-size: 1.1rem; margin-bottom: 10px; letter-spacing: 1px; }
.footer-brand p { color: rgba(255,255,255,0.55); font-size: 0.85rem; line-height: 1.7; margin-bottom: 16px; }
.footer-wa {
    display: inline-flex; align-items: center; gap: 8px;
    background: #25D366; color: #fff;
    padding: 8px 16px; border-radius: 25px;
    text-decoration: none; font-size: 0.82rem; font-weight: 600;
    transition: transform 0.3s;
}
.footer-wa:hover { transform: translateY(-2px); }
.footer-links h4, .footer-contact h4 {
    color: #00d4ff; font-size: 0.85rem;
    letter-spacing: 2px; text-transform: uppercase;
    margin-bottom: 18px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0,212,255,0.2);
}
.footer-links ul { list-style: none; }
.footer-links ul li { margin-bottom: 10px; }
.footer-links ul li a {
    color: rgba(255,255,255,0.55); text-decoration: none;
    font-size: 0.88rem; transition: color 0.3s;
}
.footer-links ul li a:hover { color: #00d4ff; padding-left: 4px; }
.footer-contact p { color: rgba(255,255,255,0.55); font-size: 0.85rem; line-height: 1.8; margin-bottom: 8px; }

.footer-qr h4 {
    color: #00d4ff; font-size: 0.85rem;
    letter-spacing: 2px; text-transform: uppercase;
    margin-bottom: 14px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(0,212,255,0.2);
}
.footer-qr img {
    width: 110px; height: 110px;
    border-radius: 10px;
    border: 2px solid rgba(0,212,255,0.3);
    display: block;
    margin-bottom: 8px;
}
.footer-qr p { color: rgba(255,255,255,0.4); font-size: 0.75rem; }

.footer-bottom {
    background: #0a0a14;
    padding: 16px 0;
    border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-bottom .container {
    display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 8px;
}
.footer-bottom p { color: rgba(255,255,255,0.4); font-size: 0.8rem; }

@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom .container { justify-content: center; text-align: center; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-15px);
    }
}

@keyframes twinkle {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.3);
    }
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes scrollHorizontal {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

@keyframes slideInRight {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
        flex-direction: column;
        gap: 5px;
        cursor: pointer;
        z-index: 1001;
    }
    .hamburger span {
        display: block;
        width: 25px;
        height: 3px;
        background: #fff;
        border-radius: 3px;
        transition: all 0.3s;
    }
    .hamburger.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 8px); }
    .hamburger.open span:nth-child(2) { opacity: 0; }
    .hamburger.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -8px); }

    nav .container { flex-wrap: wrap; gap: 8px; padding: 0 15px; }

    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #1a1a2e;
        padding: 10px 0;
        gap: 0;
        order: 4;
    }
    .nav-links.open { display: flex; }
    .nav-links li a {
        display: block;
        padding: 12px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        font-size: 1rem;
    }

    .nav-brand { font-size: 0.9rem; letter-spacing: 2px; }
    .nav-promo { font-size: 0.7rem; padding: 5px 10px; }

    .hero { padding: 120px 0 60px; }
    .hero h1 { font-size: 1.8rem; }
    .hero p { font-size: 1rem; }
    .hero-logo img { width: 150px; height: 150px; }

    .services h2, .publications h2, .about h2, .contact h2 { font-size: 1.8rem; }
    .services-grid { grid-template-columns: 1fr; }
    .publications-grid { grid-template-columns: 1fr; }

    .whatsapp-btn { font-size: 1rem; padding: 0.8rem 1.5rem; }
    .contact-form { padding: 0 10px; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.5rem; }
    .hero-logo img { width: 120px; height: 120px; }
    .nav-promo { display: none; }
    .btn { padding: 10px 20px; font-size: 0.9rem; }
}