:root {
    --navy-blue: #001F3F;
    --navy-dark: #00152B;
    --emerald-green: #10B981;
    --emerald-hover: #059669;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-600: #4B5563;
    --gray-800: #1F2937;
    --container-width: 1200px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--gray-800);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--white);
}

img {
    max-width: 100%;
}

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center {
    text-align: center;
}

/* Header & Nav */
.header {
    padding: 1.5rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-100);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--navy-blue);
}

.logo i {
    color: var(--emerald-green);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a:not(.btn) {
    font-weight: 500;
    color: var(--gray-600);
}

.nav-links a:not(.btn):hover {
    color: var(--navy-blue);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--emerald-green);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--emerald-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    background-color: var(--emerald-green);
    color: var(--white);
}

.btn-block {
    display: block;
    width: 100%;
}

/* Hero Section */
.hero {
    padding: 10rem 0 8rem;
    position: relative;
    background: linear-gradient(135deg, var(--navy-blue) 0%, var(--navy-dark) 100%);
    color: var(--white);
    overflow: hidden;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero-title span {
    color: var(--emerald-green);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-200);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.1;
    background-image: radial-gradient(circle at 20% 50%, rgba(16, 185, 129, 0.4) 0%, transparent 50%),
                      radial-gradient(circle at 80% 20%, rgba(0, 31, 63, 0.8) 0%, transparent 50%);
}

/* Features Section */
.features {
    padding: 8rem 0;
    background-color: var(--gray-50);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 4rem;
    color: var(--navy-blue);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.card-icon {
    width: 4rem;
    height: 4rem;
    background: rgba(16, 185, 129, 0.1);
    color: var(--emerald-green);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.card-icon i {
    width: 2rem;
    height: 2rem;
}

.card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--navy-blue);
}

.card p {
    color: var(--gray-600);
}

/* FAQ Section */
.faq {
    padding: 8rem 0;
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--gray-200);
}

.faq-question {
    width: 100%;
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: none;
    border: none;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--navy-blue);
    text-align: left;
    cursor: pointer;
}

.faq-question i {
    transition: var(--transition);
}

.faq-question.active i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p {
    padding-bottom: 1.5rem;
    color: var(--gray-600);
}

/* Contact Section */
.contact {
    padding: 8rem 0;
    background-color: var(--gray-50);
}

.contact-card {
    background: var(--white);
    padding: 4rem;
    border-radius: 2rem;
    max-width: 800px;
    margin: 0 auto;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.contact-card h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--navy-blue);
}

.contact-card p {
    margin-bottom: 3rem;
    color: var(--gray-600);
    font-size: 1.125rem;
}

.lead-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group input {
    width: 100%;
    padding: 1rem 1.5rem;
    border-radius: 0.5rem;
    border: 1px solid var(--gray-200);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--emerald-green);
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.1);
}

/* Footer */
.footer {
    padding: 4rem 0;
    background: var(--navy-blue);
    color: var(--white);
    text-align: center;
}

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

.footer .logo {
    color: var(--white);
}

.footer p {
    color: var(--gray-500);
}

/* Animations */
.animate-up {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s forwards;
}

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

.hero-title { animation-delay: 0.1s; }
.hero-subtitle { animation-delay: 0.2s; }
.hero-cta { animation-delay: 0.3s; }

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .contact-card {
        padding: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

/* Showcase Section */
.showcase { padding: 8rem 0; }
.showcase-item { display: flex; align-items: center; gap: 4rem; margin-bottom: 6rem; }
.showcase-item:last-child { margin-bottom: 0; }
.showcase-item.reverse { flex-direction: row-reverse; }
.showcase-text { flex: 1; }
.showcase-text h3 { font-size: 2rem; color: var(--navy-blue); margin-bottom: 1rem; }
.showcase-text p { font-size: 1.125rem; color: var(--gray-600); }
.showcase-image { flex: 1.5; border-radius: 1rem; overflow: hidden; box-shadow: 0 20px 40px -10px rgba(0,0,0,0.15); border: 1px solid var(--gray-200); }
.showcase-image img { width: 100%; height: auto; display: block; }
@media (max-width: 900px) { .showcase-item, .showcase-item.reverse { flex-direction: column; text-align: center; gap: 2rem; } }

/* WhatsApp Floating Button */
.whatsapp-btn {
    position: fixed;
    top: 50%;
    right: 2rem;
    transform: translateY(-50%);
    width: 90px;
    height: 90px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.5);
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-btn svg {
    width: 55px;
    height: 55px;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

.whatsapp-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.8);
    background-color: #1DA851;
}

/* Pulsing animation */
.whatsapp-btn::before, .whatsapp-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 50%;
    border: 3px solid #25D366;
    animation: pulse 2s infinite cubic-bezier(0.215, 0.61, 0.355, 1);
    z-index: -1;
}

.whatsapp-btn::after {
    animation-delay: 1s;
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

@media (max-width: 768px) {
    .whatsapp-btn {
        top: 50%;
        bottom: auto;
        right: 1rem;
        width: 70px;
        height: 70px;
    }
    .whatsapp-btn svg {
        width: 40px;
        height: 40px;
    }
}