:root {
    --dark-bg: #222222;
    --primary-orange: #FFA500;
    --accent-blue: #00BFFF;
    --light-gray: #EEEEEE;
    --white: #FFFFFF;
    --text-color: #CCCCCC;
    --font-headings: 'Lato', sans-serif;
    --font-body: 'Roboto', sans-serif;
    --header-height: 4.5rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    background-color: var(--dark-bg);
    color: var(--text-color);
    line-height: 1.6;
}

.body-no-scroll {
    overflow: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-headings);
    color: var(--white);
    font-weight: 700;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

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

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 6rem 0;
}

.section--steps {
    padding-top: 0;
    padding-bottom: 6rem;
}

.section__title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 1rem;
}

.section__subtitle {
    font-size: 1.25rem;
    color: var(--accent-blue);
    font-weight: 500;
    text-align: center;
    margin-bottom: 2rem;
}

.section__subtitle--steps {
    font-size: 1.75rem;
    text-align: center;
    color: var(--light-gray);
    margin-bottom: 2rem;
    font-weight: 500;
}

.section__description {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 2rem auto;
    color: var(--light-gray);
}

.section__description--solution {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    color: var(--text-color);
}

#pricing .section__description {
    margin-bottom: 3rem;
    max-width: 800px;
}

.button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 500;
    transition: transform 0.3s ease, background-color 0.3s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.button--primary {
    background-color: var(--primary-orange);
    color: var(--dark-bg);
}

.button--secondary {
    background-color: transparent;
    border: 1px solid var(--light-gray);
    color: var(--light-gray);
}

.button:hover {
    transform: translateY(-3px);
}

.button--primary:hover {
    background-color: #ffb732;
}

.button--secondary:hover {
    background-color: rgba(238, 238, 238, 0.1);
}

.button--large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

.header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(34, 34, 34, 0.8);
    backdrop-filter: blur(10px);
    z-index: 100;
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo img {
    height: 40px;
}

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

.nav__list {
    display: flex;
    gap: 2.5rem;
}

.nav__link {
    color: var(--light-gray);
    font-weight: 500;
    position: relative;
    transition: color 0.3s;
}

.nav__link:hover {
    color: var(--white);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-blue);
    transition: width 0.3s ease;
}

.nav__link:hover::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    cursor: pointer;
    width: 28px;
    height: 21px;
    flex-direction: column;
    justify-content: space-between;
    z-index: 110;
}

.nav__toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--white);
    border-radius: 3px;
    transition: transform 0.3s ease;
}

.nav__menu_mobile {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 320px;
    height: 100%;
    background-color: var(--dark-bg);
    padding: 6rem 2rem 2rem;
    transition: right 0.4s ease-in-out;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.2);
    z-index: 105;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.nav__menu_mobile.show-menu {
    right: 0;
}

.nav__list_mobile {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    text-align: center;
}

.nav__link_mobile {
    font-size: 1.2rem;
    color: var(--light-gray);
}

.nav__link_mobile:hover {
    color: var(--white);
}

.nav__close {
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    font-size: 2rem;
    color: var(--light-gray);
    cursor: pointer;
}

.nav__overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 101;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.nav__overlay.show-overlay {
    opacity: 1;
    visibility: visible;
}

.hero {
    min-height: calc(100vh - var(--header-height));
    padding: 4rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background-color: var(--dark-bg);
    background-repeat: no-repeat;
    background-size: min(35vw, 500px) auto;
}

.hero__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.hero__logo {
    width: 90%;
    max-width: 400px;
    margin-bottom: 1rem;
}

.hero__title {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    max-width: 850px;
}

.hero__subtitle {
    font-size: 1.1rem;
    max-width: 600px;
    color: var(--light-gray);
    margin-bottom: 1rem;
}

.hero__scroll-link {
    color: var(--light-gray);
    font-weight: 500;
    margin-top: 1rem;
    transition: color 0.3s ease, transform 0.3s ease;
}

.hero__scroll-link:hover {
    color: var(--white);
    transform: translateY(3px);
}

.scroll-grid {
    display: flex;
    overflow-x: auto;
    gap: 1.5rem;
    padding: 0 1.5rem 1.5rem 1.5rem;
    margin: 0 -0.5rem;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x mandatory;
}

.scroll-grid::-webkit-scrollbar-track {
    background: #2a2a2a;
}

.step__card {
    flex: 0 0 85%;
    max-width: 320px;
    scroll-snap-align: start;
    position: relative;
    background-color: #2a2a2a;
    padding: 2.5rem 2rem;
    border-radius: 0.5rem;
    text-align: center;
    border-top: 4px solid var(--accent-blue);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.step__card:not(:last-child)::after {
    content: '›';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
    color: var(--accent-blue);
    opacity: 0.3;
    font-weight: 100;
}

.step__number {
    width: 50px;
    height: 50px;
    background-color: var(--accent-blue);
    color: var(--dark-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem auto;
}

.step__title {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.step__card--highlight {
    border: 2px solid var(--primary-orange);
    border-top: 4px solid var(--primary-orange);
}

.step__card--highlight:hover {
    box-shadow: 0 0 25px rgba(255, 165, 0, 0.3);
}

.step__card--highlight .step__number {
    background-color: var(--primary-orange);
}

.advantage__card {
    flex: 0 0 85%;
    max-width: 350px;
    scroll-snap-align: start;
    position: relative;
    background-color: transparent;
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid #444;
}

.advantage__card:not(:last-child)::after {
    content: '›';
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 2.5rem;
    color: var(--accent-blue);
    opacity: 0.3;
    font-weight: 100;
}

.advantage__title {
    color: var(--accent-blue);
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.section--dark {
    background-color: #1c1c1c;
}

.contact__form {
    max-width: 600px;
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
}

.form__group input,
.form__group textarea {
    width: 100%;
    padding: 1rem;
    background-color: #333;
    border: 1px solid #555;
    border-radius: 0.5rem;
    color: var(--white);
    font-family: var(--font-body);
    font-size: 1rem;
}

.form__group input:focus,
.form__group textarea:focus {
    outline: none;
    border-color: var(--primary-orange);
}

.form__message {
    text-align: center;
    margin-top: 1rem;
    font-weight: 500;
    min-height: 1.2em;
}

.form__message.success {
    color: #4ade80;
}

.form__message.error {
    color: #f87171;
}

.modal__overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    padding: 1rem;
}

.modal__overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal__content {
    background-color: #2a2a2a;
    padding: 2.5rem;
    border-radius: 12px;
    width: 100%;
    max-width: 420px;
    position: relative;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.modal__close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--light-gray);
    font-size: 2rem;
    cursor: pointer;
}

.modal__logo {
    max-width: 200px;
    margin-bottom: 1.5rem;
}

.modal__title {
    font-size: 2rem;
    margin-bottom: 2rem;
}

.login__form {
    display: grid;
    gap: 1.5rem;
    text-align: left;
}

.form__group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--light-gray);
    font-weight: 500;
}

.button--full {
    width: 100%;
    padding: 1rem;
    font-size: 1.1rem;
}

.password__wrapper {
    position: relative;
}

.password__toggle {
    position: absolute;
    top: 50%;
    right: 1rem;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #999;
    cursor: pointer;
}

.password__toggle:hover {
    color: var(--white);
}

.login__forgot-link {
    color: var(--light-gray);
    text-align: center;
    display: block;
    margin-top: 1rem;
    font-size: 0.9rem;
    text-decoration: none;
}

.login__forgot-link:hover {
    text-decoration: underline;
}

.footer {
    padding: 2rem 0;
    border-top: 1px solid #444;
    text-align: center;
}

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.pricing__grid::-webkit-scrollbar-thumb {
    background: var(--primary-orange);
}

.pricing__grid::-webkit-scrollbar-thumb:hover {
    background: #ffb732;
}

.price__card {
    flex: 0 0 85%;
    max-width: 320px;
    scroll-snap-align: start;
    background-color: #2a2a2a;
    padding: 2.5rem 2rem;
    border-radius: 0.5rem;
    display: flex;
    flex-direction: column;
    border: 1px solid #444;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.price__card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4);
}

.price__header {
    text-align: center;
    border-bottom: 1px solid #444;
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
}

.price__plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-blue);
}

.price__plan-description {
    font-size: 0.9rem;
    color: var(--light-gray);
    min-height: 2.7rem;
}

.price__value {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--white);
    margin: 1rem 0;
    line-height: 1;
}

.price__value sup {
    font-size: 1.5rem;
    font-weight: 500;
    top: -1.5rem;
}

.price__value span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--light-gray);
}

.price__value .fas {
    font-size: 3rem;
    color: var(--primary-orange);
}

.price__features {
    padding: 0;
    margin-bottom: 2rem;
    flex-grow: 1;
}

.price__features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.price__features .fa-check-circle {
    color: var(--primary-orange);
}

.price__card .button--full {
    width: 100%;
    margin-top: auto;
}

.price__card--popular {
    position: relative;
    border: 2px solid var(--primary-orange);
    transform: scale(1);
}

.price__popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-orange);
    color: var(--dark-bg);
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.price__card--enterprise {
    background-color: #1c1c1c;
}

.btn-text-mobile {
    display: none;
}

.section--dark {
    background-color: #1c1c1c;
}

.setup__card {
    background-color: #2a2a2a;
    padding: 2rem;
    border-radius: 0.5rem;
    text-align: center;
    border: 1px solid #444;
    flex: 0 0 85%;
    max-width: 320px;
    scroll-snap-align: start;
}

.setup__title {
    font-size: 1.25rem;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.setup__price {
    font-size: 2.5rem;
    color: var(--white);
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.setup__price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--light-gray);
}

.setup__description {
    font-size: 0.9rem;
    color: var(--light-gray);
}

#whatsapp-fab {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 25px;
    right: 25px;
    background-color: #25D366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 2rem;
    box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.3);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease-in-out;
}

#whatsapp-fab:hover {
    transform: scale(1.1);
}

@media (min-width: 992px) {
    .hero__logo {
        max-width: 500px;
    }
}

@media (max-width: 992px) {
    .nav__list {
        display: none;
    }

    .nav__toggle {
        display: flex;
    }
}

@media (max-width: 768px) {
    .hero__title {
        font-size: 2.25rem;
    }

    .section__title {
        font-size: 2rem;
    }

    .btn-text-desktop {
        display: none;
    }

    .btn-text-mobile {
        display: inline;
    }

    .nav__actions .button--primary {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }

    .section {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }

    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }
}

@media (min-width: 768px) {
    .scroll-grid {
        display: grid;
        overflow-x: visible;
        margin: 0 auto;
        padding: 0;
    }

    .steps__grid {
        grid-template-columns: repeat(4, 1fr);
        max-width: 1120px;
        gap: 1.5rem;
        justify-items: center;
    }

    .step__card {
        flex: 1 1 auto;
        width: 100%;
        max-width: none;
    }

    .step__card:not(:last-child)::after {
        display: none;
    }

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

    .advantage__card {
        flex: 1 1 auto;
        max-width: none;
    }

    .advantage__card:not(:last-child)::after {
        display: none;
    }

    .pricing__grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 2rem;
    }

    .price__card {
        flex: 1 1 auto;
        max-width: none;
    }

    .price__card--popular {
        transform: scale(1.05);
    }

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

    .setup__card {
        flex: 1 1 auto;
        max-width: none;
    }
}