/* Variables */
:root {
    --primary: #1b4b66;
    --primary-light: #2d6f96;
    --accent: #4a90e2;
    --success: #27ae60;
    --white: #ffffff;
    --gray-100: #f7f7f7;
    --gray-200: #e5e5e5;
    --gray-300: #d4d4d4;
    --gray-600: #666666;
    --text-dark: #333333;
    --container-width: 1200px;
    --header-height: 80px;
    --transition: all 0.3s ease;
}

/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
}

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

/* Container */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(27, 75, 102, 0.15);
}

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

.btn-outline:hover {
    background: rgba(27, 75, 102, 0.1);
    transform: translateY(-2px);
}

/* Header Styles */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: var(--white);
    z-index: 1000;
    transition: var(--transition);
}

.startup-banner {
    background: rgba(27, 75, 102, 0.1);
    padding: 0.5rem 0;
    text-align: center;
    font-size: 0.875rem;
    color: var(--primary);
}

.header-main {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo-left img,
.logo-right img {
    height: 60px;
    width: auto;
}

.header-text {
    max-width: 500px;
    text-align: center;
    font-size: 0.875rem;
    color: var(--primary);
    font-weight: 500;
}

.nav-main {
    border-top: 1px solid var(--gray-200);
    background: var(--white);
}

.nav-links {
    display: flex;
    justify-content: center;
    list-style: none;
    gap: 2rem;
    padding: 1rem 0;
}

.nav-links a {
    color: var(--primary);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: var(--transition);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--primary);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding-top: calc(var(--header-height) + 2rem);
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, rgba(27, 75, 102, 0.05) 0%, rgba(255, 255, 255, 0) 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--primary-light);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
}

.certifications {
    display: flex;
    gap: 1rem;
}

.certifications span {
    background: var(--white);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-weight: 500;
    color: var(--primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Features Section */
.features {
    padding: 5rem 0;
    background: var(--gray-100);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--gray-600);
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

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

/* Products Section */
.products {
    padding: 5rem 0;
}

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

.product-card {
    background: var(--white);
    border-radius: 1rem;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.product-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.product-icon {
    padding: 2rem;
    background: var(--gray-100);
    text-align: center;
}

.product-icon i {
    font-size: 3rem;
    color: var(--primary);
}

.product-card h3 {
    font-size: 1.5rem;
    color: var(--primary);
    margin: 1.5rem;
}

.product-card ul {
    list-style: none;
    padding: 0 1.5rem 1.5rem;
}

.product-card li {
    padding-left: 1.5rem;
    position: relative;
    margin-bottom: 0.5rem;
    color: var(--gray-600);
}

.product-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
}

/* Contact Section */
.contact {
    padding: 5rem 0;
    background: var(--gray-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--gray-600);
    transition: var(--transition);
    pointer-events: none;
    background: var(--white);
    padding: 0 0.5rem;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(74, 144, 226, 0.1);
}

.form-group input:focus ~ label,
.form-group textarea:focus ~ label,
.form-group input:not(:placeholder-shown) ~ label,
.form-group textarea:not(:placeholder-shown) ~ label {
    transform: translateY(-1.5rem) scale(0.85);
    color: var(--primary);
}

.contact-info {
    display: grid;
    gap: 1.5rem;
}

.info-card {
    background: var(--white);
    padding: 1.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.info-card i {
    font-size: 1.5rem;
    color: var(--accent);
}

.info-card h3 {
    color: var(--primary);
    margin-bottom: 0.5rem;
}

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

.map-container {
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 4rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
}

.footer-about p {
    opacity: 0.8;
    margin-bottom: 1.5rem;
}

.footer-logo {
    height: 40px;
    width: auto;
}

.footer ul {
    list-style: none;
}

.footer li {
    margin-bottom: 0.75rem;
}

.footer a:hover {
    opacity: 0.8;
}

.social-icons {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.social-icons a {
    font-size: 1.5rem;
}

.footer-certifications {
    display: flex;
    gap: 1rem;
}

.footer-certifications span {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.8;
    margin-bottom: 1rem;
}

/* Floating Buttons */
.floating-buttons {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 100;
}

.float-button {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.float-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.whatsapp {
    background: #25d366;
}

.phone {
    background: var(--success);
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    transition: var(--transition);
    opacity: 0;
    visibility: hidden;
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--primary-light);
    transform: translateY(-3px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-text h1 {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .header-text {
        font-size: 0.75rem;
        padding: 0 1rem;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: flex;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--white);
        flex-direction: column;
        align-items: center;
        padding: 1rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    }

    .nav-links.active {
        display: flex;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

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

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

    .certifications {
        justify-content: center;
    }

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

    .header-text {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 2rem;
    }

    .container {
        padding: 0 1rem;
    }

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

    .floating-buttons {
        right: 1rem;
        bottom: 1rem;
    }

    .float-button {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .scroll-to-top {
        left: 1rem;
        bottom: 1rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

/* Utility Classes */
.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.slide-in {
    animation: slideIn 0.4s ease-out forwards;
}

/* Print Styles */
@media print {
    .floating-buttons,
    .scroll-to-top,
    .mobile-menu-btn {
        display: none;
    }

    .container {
        width: 100%;
        max-width: none;
        padding: 0;
    }

    body {
        color: black;
    }

    a {
        text-decoration: none;
        color: black;
    }

    .header {
        position: static;
    }

    .hero {
        padding-top: 2rem;
        min-height: 0;
    }
}