:root {
    --bg-dark: #0A2540;
    --bg-card: #122d4b;
    --bg-card-hover: #17385c;
    --primary: #0077B6;
    --primary-hover: #005a8c;
    --highlight: #90E0EF;
    --text-main: #F1FAFF;
    --text-muted: #ffffff;

    --whatsapp: #25D366;
    --whatsapp-hover: #1ebe56;

    --container-padding: 2rem;
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Typography */
h1,
h2,
h3 {
    font-weight: 700;
    color: var(--text-main);
    letter-spacing: 0.5px;
}

h1 {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--highlight);
}

p {
    color: var(--text-muted);
}

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.75rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--highlight);
    border: 2px solid var(--highlight);
}

.btn-secondary:hover {
    background-color: rgba(144, 224, 239, 0.1);
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: var(--whatsapp);
    color: #fff;
}

.btn-whatsapp:hover {
    background-color: var(--whatsapp-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 1rem 0;
    transition: var(--transition);
    background-color: rgba(10, 37, 64, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

header.scrolled {
    padding: 0.75rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

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

.logo img {
    height: 80px;
    width: auto;
    display: block;
    filter: drop-shadow(0px 4px 8px rgba(0, 0, 0, 0.5));
}

nav {
    display: none;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--text-main);
    transition: var(--transition);
    border-radius: 2px;
}

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

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

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

/* Hero Section */
.hero {
    padding: 8rem 0 4rem;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-content {
    max-width: 600px;
    position: relative;
    z-index: 2;
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    color: var(--text-main);
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hero-visuals {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 50%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
    display: none;
}

.abstract-shape {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 119, 182, 0.4) 0%, rgba(10, 37, 64, 0) 70%);
    border-radius: 50%;
    position: absolute;
    right: 10%;
    top: 20%;
    filter: blur(40px);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px) scale(1);
    }

    50% {
        transform: translateY(-30px) scale(1.05);
    }

    100% {
        transform: translateY(0px) scale(1);
    }
}

.hero-image {
    width: 100%;
    max-width: 480px;
    position: absolute;
    top: 50%;
    right: 5%;
    transform: translateY(-50%) rotate(8deg);
    animation: float-ac 5s ease-in-out infinite;
    z-index: 2;
    filter: drop-shadow(-15px 25px 30px rgba(0,0,0,0.3));
}

@keyframes float-ac {
    0% { transform: translateY(-50%) scale(1) rotate(8deg); }
    50% { transform: translateY(-53%) scale(1.02) rotate(9deg); }
    100% { transform: translateY(-50%) scale(1) rotate(8deg); }
}

/* Sections Common */
section {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    color: var(--highlight);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

.service-card {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.service-card:hover {
    background-color: var(--bg-card-hover);
    transform: translateY(-5px);
    border-color: rgba(144, 224, 239, 0.2);
}

/* Benefits */
.benefits {
    background-color: rgba(0, 119, 182, 0.05);
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.benefit-item {
    text-align: center;
    padding: 1.5rem;
}

.benefit-item h3 {
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

/* About */
.about-content {
    background-color: var(--bg-card);
    padding: 3rem 2rem;
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--primary);
}

.about-content p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.about-content p:last-child {
    margin-bottom: 0;
}

/* Testimonials Slider */
.testimonials {
    background-color: rgba(0, 119, 182, 0.05);
    overflow: hidden;
}

.testimonials-slider {
    width: 100%;
    position: relative;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    gap: 1.5rem;
    width: max-content;
    animation: scroll-testimonials 40s linear infinite;
}

.testimonials-track:hover {
    animation-play-state: paused;
}

@keyframes scroll-testimonials {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(calc(-50% - 0.75rem));
    }
}

.testimonial-card {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    width: 300px; /* Default for mobile */
    flex-shrink: 0;
}

.testimonial-card:hover {
    background-color: var(--bg-card-hover);
    transform: translateY(-5px);
    border-color: rgba(144, 224, 239, 0.2);
}

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

.avatar {
    width: 48px;
    height: 48px;
    background-color: #ff7b00;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-info h4 {
    margin: 0;
    color: var(--text-main);
    font-size: 1.1rem;
}

.stars {
    color: #fbbc04; /* Google Yellow */
    font-size: 1.2rem;
    letter-spacing: 2px;
}

.testimonial-card p {
    font-size: 0.95rem;
    font-style: italic;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, #005a8c 100%);
    text-align: center;
    padding: 6rem 0;
}

.cta-section h2 {
    color: #fff;
    margin-bottom: 1rem;
}

.cta-section p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.btn.large {
    font-size: 1.1rem;
    padding: 1rem 2.5rem;
}

/* Contact */
.contact-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

.contact-info h2 {
    color: var(--highlight);
}

.contact-info p {
    margin-bottom: 2rem;
}

.contact-link {
    display: block;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 1rem;
    padding-left: 1rem;
    border-left: 2px solid var(--primary);
}

.contact-form {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: var(--radius-md);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--highlight);
    background-color: rgba(255, 255, 255, 0.1);
}

.error-message {
    color: #ff6b6b;
    font-size: 0.85rem;
    margin-top: 0.5rem;
    display: none;
}

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

.form-group.error input,
.form-group.error textarea {
    border-color: #ff6b6b;
}

.btn-submit {
    width: 100%;
}

.success-message {
    margin-top: 1rem;
    padding: 1rem;
    background-color: rgba(37, 211, 102, 0.1);
    color: var(--whatsapp);
    border-radius: var(--radius-sm);
    text-align: center;
    display: none;
}

/* Footer */
footer {
    background-color: #07192b;
    padding: 3rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

.footer-brand img {
    height: 80px;
    margin-bottom: 1rem;
    opacity: 0.8;
    filter: drop-shadow(0px 4px 8px rgba(0, 0, 0, 0.5));
}

/* Floating WhatsApp */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--whatsapp);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    z-index: 99;
    transition: var(--transition);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background-color: var(--whatsapp-hover);
}

/* Responsive */
@media (min-width: 768px) {
    h1 {
        font-size: 3.5rem;
    }

    .hero-buttons {
        flex-direction: row;
    }

    .hero-visuals {
        display: block;
    }

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

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

    .testimonial-card {
        width: 350px;
    }

    .contact-container {
        grid-template-columns: 1fr 1fr;
    }

    .footer-container {
        flex-direction: row;
        justify-content: space-between;
        text-align: left;
    }
}

@media (min-width: 1024px) {
    .mobile-menu-btn {
        display: none;
    }

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

    .nav-links {
        display: flex;
        gap: 2rem;
    }

    .nav-links a {
        font-weight: 500;
    }

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

    .services-grid,
    .benefits-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .testimonial-card {
        width: 330px;
    }
}

/* Mobile Menu Active State */
@media (max-width: 1023px) {
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-dark);
        flex-direction: column;
        padding: 2rem;
        gap: 2rem;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    }

    nav.active {
        display: flex;
    }

    .nav-links {
        display: flex;
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .nav-links a {
        font-size: 1.2rem;
    }

    .nav-cta {
        width: 100%;
    }
}