:root {
    --color-primary: #005A9C;
    --color-secondary: #6E7B8B;
    --color-white: #FFFFFF;
    --color-accent: #E10600;
    --color-dark: #0A2540;
    --color-bg-light: #F4F6F8;
    --font-primary: 'Montserrat', sans-serif;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --border-radius: 4px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}
/* Reset & Base */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-primary);
    color: var(--color-dark);
    line-height: 1.6;
    font-size: 16px;
    background-color: var(--color-white);
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}
ul {
    list-style: none;
}
/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}
h1 {
    font-size: 2.5rem;
}
h2 {
    font-size: 2rem;
    font-weight: 600;
}
h3 {
    font-size: 1.5rem;
    font-weight: 600;
}
.text-white {
    color: var(--color-white);
}
.text-grey {
    color: var(--color-secondary);
}
/* Layout */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}
.section {
    padding: var(--spacing-xl) 0;
}
.section--bg-light {
    background-color: var(--color-bg-light);
}
.section--bg-dark {
    background-color: var(--color-dark);
    color: var(--color-white);
}
.grid {
    display: grid;
    gap: var(--spacing-md);
}
/* Components */
.btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}
.btn--primary {
    background-color: var(--color-accent);
    color: var(--color-white);
}
.btn--primary:hover {
    background-color: #c00500;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.btn--full {
    width: 100%;
}
/* Header */
.header {
    background-color: var(--color-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}
.header__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--color-dark);
    letter-spacing: -0.02em;
    text-decoration: none;
    display: block;
}
/* .logo__img removed */
.nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}
.nav__list {
    display: flex;
    gap: var(--spacing-md);
}
.lang-switch {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-left: auto;
}
.lang-switch a {
    font-weight: 600;
    color: var(--color-secondary);
    padding: 0.25rem 0.5rem;
    transition: var(--transition);
}
.lang-switch a.active {
    color: var(--color-primary);
}
.lang-switch a:hover {
    color: var(--color-primary);
}
.nav__link {
    font-weight: 500;
    color: var(--color-dark);
}
.nav__link:hover {
    color: var(--color-primary);
}
.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
}
/* Hero */
.hero {
    background: linear-gradient(rgba(10, 37, 64, 0.8), rgba(10, 37, 64, 0.8)), url('../images/FotoHeroLanding.avif');
    /* Industrial background */
    background-size: cover;
    background-position: center;
    color: var(--color-white);
    padding: 120px 0;
    text-align: center;
}
.hero__content {
    max-width: 800px;
    margin: 0 auto;
}
.hero__title {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}
.hero__subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    font-weight: 300;
}
.hero__micro {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    opacity: 0.8;
}
/* About */
.about__container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}
.about__content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}
/* Services */
.services__grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border-top: 4px solid var(--color-primary);
    transition: var(--transition);
}
.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}
.section__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}
/* Process */
.process__grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    text-align: center;
}
.step {
    position: relative;
}
.step__number {
    font-size: 4rem;
    font-weight: 700;
    color: rgba(0, 90, 156, 0.1);
    line-height: 1;
    margin-bottom: -20px;
    position: relative;
    z-index: -1;
}
.step__title {
    color: var(--color-primary);
}
/* Benefits */
.benefits__grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}
.benefit-card {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.benefit-card__title {
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
}
.benefit-card__text {
    color: var(--color-secondary);
    font-size: 0.9rem;
}
/* Contact */
.contact__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}
.form {
    background: var(--color-bg-light);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
}
.form__group {
    margin-bottom: var(--spacing-sm);
}
.form__label {
    display: block;
    margin-bottom: 4px;
    font-weight: 600;
    font-size: 0.9rem;
}
.form__input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
}
.form__textarea {
    height: 100px;
    resize: vertical;
}
.form__checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
}
.form__checkbox input {
    width: auto;
}
.form__checkbox label {
    margin-bottom: 0;
    font-weight: 400;
}
.form__micro {
    text-align: center;
    font-size: 0.8rem;
    color: var(--color-secondary);
    margin-top: var(--spacing-sm);
}
/* Footer */
.footer {
    background-color: #051a2e;
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    font-size: 0.9rem;
}
.footer__container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}
.footer__brand {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-xs);
}
.footer__link {
    color: var(--color-secondary);
}
.footer__link:hover {
    color: var(--color-white);
}
.footer__links {
    display: flex;
    gap: var(--spacing-md);
}
.footer__legal {
    color: var(--color-secondary);
    font-size: 0.8rem;
}
/* Responsive */
@media (max-width: 768px) {
    .nav__list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--color-white);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-md);
    }
    .nav__list.active {
        display: flex;
    }
    .nav__toggle {
        display: block;
    }
    .hamburger {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--color-dark);
        position: relative;
    }
    .hamburger::before,
    .hamburger::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 2px;
        background: var(--color-dark);
        left: 0;
    }
    .hamburger::before {
        top: -6px;
    }
    .hamburger::after {
        top: 6px;
    }
    .about__container,
    .contact__container {
        grid-template-columns: 1fr;
    }
    .hero__title {
        font-size: 2rem;
    }
}
/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}
.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}
/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.7);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: block;
}

.modal__content {
    background-color: var(--color-white);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius);
    max-width: 700px;
    box-shadow: var(--shadow-lg);
    animation: slideDown 0.3s ease;
    position: relative;
    max-height: 85vh;
    overflow-y: auto;
}

.modal__close {
    position: absolute;
    right: 20px;
    top: 15px;
    color: var(--color-secondary);
    font-size: 32px;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1;
    z-index: 1;
}

.modal__close:hover,
.modal__close:focus {
    color: var(--color-dark);
}

.modal__title {
    padding: var(--spacing-md);
    padding-right: 50px;
    margin: 0;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.modal__body {
    padding: var(--spacing-md);
    line-height: 1.8;
}

.modal__body h3 {
    color: var(--color-primary);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 1.2rem;
}

.modal__body p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-dark);
}

.modal__body ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.modal__body li {
    list-style: disc;
    margin-bottom: 8px;
    color: var(--color-dark);
}

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

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

/* Responsive modal */
@media (max-width: 768px) {
    .modal__content {
        margin: 10% 5%;
        max-width: 90%;
    }
    
    .modal__title {
        font-size: 1.5rem;
    }
}