/*=============== GOOGLE FONTS ===============*/
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/*=============== VARIABLES CSS ===============*/
:root {
    --header-height: 4rem;

    /*========== Colors ==========*/
    --color-primary: #3CA674;
    --color-primary-dark: #37A667;
    --color-dark: #011640;
    --color-dark-alt: #083A59;
    --color-light: #F2F1F0;
    --color-white: #FFFFFF;
    --color-gray-light: #E8E8E8;
    --color-text: #333333;
    --color-text-light: #666666;

    /*========== Font and Typography ==========*/
    --body-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --biggest-font-size: 3rem;
    --h1-font-size: 2.5rem;
    --h2-font-size: 2rem;
    --h3-font-size: 1.5rem;
    --normal-font-size: 1rem;
    --small-font-size: 0.875rem;
    --smaller-font-size: 0.813rem;

    /*========== Font Weight ==========*/
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;

    /*========== Spacing ==========*/
    --mb-0-25: 0.25rem;
    --mb-0-5: 0.5rem;
    --mb-0-75: 0.75rem;
    --mb-1: 1rem;
    --mb-1-5: 1.5rem;
    --mb-2: 2rem;
    --mb-2-5: 2.5rem;
    --mb-3: 3rem;

    /*========== Z Index ==========*/
    --z-tooltip: 10;
    --z-fixed: 100;
    --z-modal: 1000;

    /*========== Transitions ==========*/
    --transition-fast: 0.2s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;

    /*========== Shadows ==========*/
    --shadow-sm: 0 2px 8px rgba(1, 22, 64, 0.08);
    --shadow-md: 0 4px 16px rgba(1, 22, 64, 0.12);
    --shadow-lg: 0 8px 32px rgba(1, 22, 64, 0.16);
    --shadow-xl: 0 16px 48px rgba(1, 22, 64, 0.2);
}

@media screen and (min-width: 968px) {
    :root {
        --biggest-font-size: 4rem;
        --h1-font-size: 3rem;
        --h2-font-size: 2.25rem;
        --h3-font-size: 1.75rem;
        --normal-font-size: 1.125rem;
        --small-font-size: 1rem;
        --smaller-font-size: 0.875rem;
    }
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--body-font);
    font-size: var(--normal-font-size);
    background-color: var(--color-white);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3 {
    color: var(--color-dark);
    font-weight: var(--font-bold);
    line-height: 1.2;
}

ul {
    list-style: none;
}

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

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

button {
    cursor: pointer;
    border: none;
    outline: none;
    font-family: var(--body-font);
}

/*=============== REUSABLE CSS CLASSES ===============*/
.container {
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

.section {
    padding: 5rem 0;
}

.section--dark {
    background-color: var(--color-dark);
    color: var(--color-light);
}

.section--dark .section__title,
.section--dark .section__subtitle {
    color: var(--color-light);
}

.section__header {
    text-align: center;
    margin-bottom: var(--mb-3);
}

.section__title {
    font-size: var(--h2-font-size);
    margin-bottom: var(--mb-0-75);
    font-weight: var(--font-extrabold);
}

.section__subtitle {
    font-size: var(--normal-font-size);
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
}

.button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: var(--font-semibold);
    transition: all var(--transition-normal);
    font-size: var(--normal-font-size);
}

.button--primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    box-shadow: 0 4px 16px rgba(60, 166, 116, 0.3);
}

.button--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(60, 166, 116, 0.4);
}

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

.button--secondary:hover {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.button--full {
    width: 100%;
    justify-content: center;
}

/*=============== HEADER & NAV ===============*/
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    z-index: var(--z-fixed);
    transition: box-shadow var(--transition-normal);
}

.header.scroll-header {
    box-shadow: var(--shadow-sm);
}

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

.nav__logo-img {
    height: 40px;
    width: auto;
}

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

.nav__link {
    color: var(--color-dark);
    font-weight: var(--font-medium);
    transition: color var(--transition-fast);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-normal);
}

.nav__link:hover::after,
.nav__link.active-link::after {
    width: 100%;
}

.nav__link--cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(60, 166, 116, 0.3);
}

.nav__toggle,
.nav__close {
    display: none;
}

/*=============== HERO ===============*/
.hero {
    padding-top: calc(var(--header-height) + 3rem);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, var(--color-white) 0%, #f8f9fa 100%);
}

.hero__container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-items: center;
    gap: 3rem;
    position: relative;
    z-index: 2;
}

.hero__title {
    font-size: var(--biggest-font-size);
    font-weight: var(--font-extrabold);
    margin-bottom: var(--mb-1);
    line-height: 1.1;
}

.hero__title-highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero__description {
    font-size: var(--h3-font-size);
    color: var(--color-text-light);
    margin-bottom: var(--mb-2-5);
    font-weight: var(--font-light);
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__code-block {
    background: var(--color-dark);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.code-header {
    background: rgba(255, 255, 255, 0.1);
    padding: 0.75rem 1rem;
    display: flex;
    gap: 0.5rem;
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot--red {
    background-color: #ff5f56;
}

.code-dot--yellow {
    background-color: #ffbd2e;
}

.code-dot--green {
    background-color: #27c93f;
}

.code-content {
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.8;
    overflow-x: auto;
}

.code-content code {
    color: var(--color-light);
}

.code-comment {
    color: #6a9955;
}

.code-keyword {
    color: #569cd6;
}

.code-function {
    color: #dcdcaa;
}

.code-string {
    color: #ce9178;
}

.floating-element {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
    filter: blur(60px);
    pointer-events: none;
}

.floating-element--1 {
    width: 300px;
    height: 300px;
    background: var(--color-primary);
    top: 10%;
    left: 5%;
    animation: float-1 8s ease-in-out infinite;
}

.floating-element--2 {
    width: 250px;
    height: 250px;
    background: var(--color-dark-alt);
    bottom: 10%;
    right: 10%;
    animation: float-2 10s ease-in-out infinite;
}

.floating-element--3 {
    width: 200px;
    height: 200px;
    background: var(--color-primary-dark);
    top: 50%;
    right: 20%;
    animation: float-3 7s ease-in-out infinite;
}

@keyframes float-1 {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(30px, -30px);
    }
}

@keyframes float-2 {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(-40px, 40px);
    }
}

@keyframes float-3 {
    0%, 100% {
        transform: translate(0, 0);
    }
    50% {
        transform: translate(20px, 30px);
    }
}

/*=============== SERVICES ===============*/
.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: var(--mb-3);
}

.service-card {
    background: var(--color-white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-gray-light);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--mb-1-5);
    color: var(--color-white);
}

.service-card__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-75);
    color: var(--color-dark);
}

.service-card__description {
    color: var(--color-text-light);
    line-height: 1.7;
}

/*=============== PROCESS ===============*/
.process__timeline {
    max-width: 900px;
    margin: 0 auto;
    margin-top: var(--mb-3);
}

.timeline-item {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
    position: relative;
}

.timeline-item:not(:last-child)::before {
    content: '';
    position: absolute;
    left: 30px;
    top: 70px;
    width: 2px;
    height: calc(100% + 1rem);
    background: linear-gradient(180deg, var(--color-primary), transparent);
}

.timeline-item__number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--h3-font-size);
    font-weight: var(--font-bold);
    color: var(--color-white);
    flex-shrink: 0;
}

.timeline-item__content {
    padding-top: 0.5rem;
}

.timeline-item__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-5);
    color: var(--color-light);
}

.timeline-item__description {
    color: rgba(242, 241, 240, 0.8);
    line-height: 1.7;
}

/*=============== BENEFITS ===============*/
.benefits__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: var(--mb-3);
}

.benefit-card {
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    padding: 2rem;
    border-radius: 16px;
    border: 2px solid transparent;
    transition: all var(--transition-normal);
}

.benefit-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.benefit-card__icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--mb-1);
    color: var(--color-white);
}

.benefit-card__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-0-5);
    color: var(--color-dark);
}

.benefit-card__description {
    color: var(--color-text-light);
    line-height: 1.7;
}

/*=============== CONTACT ===============*/
.contact {
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-dark-alt) 100%);
    color: var(--color-light);
}

.contact__container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    align-items: start;
}

.contact__title {
    font-size: var(--h1-font-size);
    color: var(--color-light);
    margin-bottom: var(--mb-1);
}

.contact__description {
    color: rgba(242, 241, 240, 0.8);
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-2);
}

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

.contact__info-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: rgba(242, 241, 240, 0.9);
}

.contact__info-item svg {
    color: var(--color-primary);
    flex-shrink: 0;
}

.contact__form {
    background: rgba(255, 255, 255, 0.05);
    padding: 2.5rem;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.form__group {
    margin-bottom: var(--mb-1-5);
}

.form__label {
    display: block;
    margin-bottom: var(--mb-0-5);
    color: var(--color-light);
    font-weight: var(--font-medium);
}

.form__input {
    width: 100%;
    padding: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-light);
    font-size: var(--normal-font-size);
    font-family: var(--body-font);
    transition: all var(--transition-normal);
}

.form__input::placeholder {
    color: rgba(242, 241, 240, 0.5);
}

.form__input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
}

.form__message {
    margin-top: var(--mb-1);
    padding: 1rem;
    border-radius: 8px;
    text-align: center;
    display: none;
    font-weight: var(--font-medium);
}

.form__message.show {
    display: block;
}

.form__message.success {
    background: rgba(60, 166, 116, 0.2);
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
}

.form__message.error {
    background: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border: 1px solid #ef4444;
}

/*=============== FOOTER ===============*/
.footer {
    background-color: var(--color-dark);
    color: var(--color-light);
    padding: 3rem 0 2rem;
}

.footer__content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: var(--mb-2);
}

.footer__logo {
    height: 40px;
    width: auto;
    margin-bottom: var(--mb-1);
    filter: brightness(0) invert(1);
}

.footer__slogan {
    color: rgba(242, 241, 240, 0.8);
    font-style: italic;
    font-size: var(--small-font-size);
}

.footer__title {
    font-size: var(--h3-font-size);
    margin-bottom: var(--mb-1);
    color: var(--color-light);
}

.footer__list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__link {
    color: rgba(242, 241, 240, 0.7);
    transition: color var(--transition-fast);
}

.footer__link:hover {
    color: var(--color-primary);
}

.footer__bottom {
    padding-top: var(--mb-2);
    border-top: 1px solid rgba(242, 241, 240, 0.1);
}

.footer__copy {
    text-align: center;
    color: rgba(242, 241, 240, 0.6);
    font-size: var(--small-font-size);
}

/*=============== SCROLL TO TOP ===============*/
.scroll-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-normal);
    opacity: 0;
    visibility: hidden;
    z-index: var(--z-tooltip);
}

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

.scroll-top:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/*=============== RESPONSIVE ===============*/
@media screen and (max-width: 968px) {
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--color-white);
        padding: 6rem 2rem 2rem;
        box-shadow: var(--shadow-xl);
        transition: right var(--transition-normal);
        z-index: var(--z-modal);
    }

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

    .nav__list {
        flex-direction: column;
        gap: 2rem;
        align-items: flex-start;
    }

    .nav__link--cta {
        padding: 0.75rem 2rem;
    }

    .nav__close,
    .nav__toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        color: var(--color-dark);
    }

    .nav__close {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
        font-size: 1.5rem;
    }

    .nav__toggle {
        font-size: 1.25rem;
    }

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

    .hero__image {
        order: -1;
    }

    .hero__code-block {
        max-width: 100%;
    }

    .code-content {
        font-size: 0.75rem;
        padding: 1rem;
    }

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

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

@media screen and (max-width: 576px) {
    .hero__buttons {
        flex-direction: column;
        width: 100%;
    }

    .button {
        width: 100%;
        justify-content: center;
    }

    .services__grid,
    .benefits__grid {
        grid-template-columns: 1fr;
    }

    .timeline-item {
        grid-template-columns: auto 1fr;
        gap: 1rem;
    }

    .timeline-item__number {
        width: 50px;
        height: 50px;
        font-size: var(--normal-font-size);
    }

    .timeline-item:not(:last-child)::before {
        left: 24px;
    }

    .contact__form {
        padding: 1.5rem;
    }

    .scroll-top {
        bottom: 1rem;
        right: 1rem;
        width: 45px;
        height: 45px;
    }
}

@media screen and (min-width: 1200px) {
    .container {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/*=============== LOADING OPTIMIZATION ===============*/
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}