:root {
    /* Palette */
    --blue-600: #3F83BF;
    --blue-400: #71A8D9;
    --green-400: #8DC63F;
    --green-800: #006838;
    --lime-500: #B9BF04;
    /* Base */
    --bg: #f7fafc;
    --surface: #ffffff;
    --text: #123;
    --muted: #5b6b7a;
    --border: #e4e9ee;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    /*padding: 0 20px;*/
}

#capthcaContainer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 10px 0;
}
/*#region Notification*/
:is(#Notification) {
    position: fixed;
    bottom: 50px;
    right: -2000px;
    z-index: 100;
    min-width: 350px;
    display: flex;
    gap: 20px;
    padding: 20px;
    align-items: center;
    opacity: 0.95;
    transition: 700ms ease;
    background: var(--green-800);
    color: white;
    border-radius: 20px;
}

    :is(#Notification) > i {
        border-radius: 50%;
        /* padding: 6px 7px; */
        font-size: 40px;
        color: var(--green-800);
        background: var(--green-400);
        padding: 10px;
    }

    :is(#Notification) p {
        margin: 0;
    }

    :is(#Notification) b {
        color: var(--green-400);
    }
/*#endregion*/
/* Header */
.site-header {
    position: sticky;
    top: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    z-index: 20;
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.brand-logo {
    height: 50px;
    width: 100%;
    object-fit: contain;
}

.brand-text {
    font-weight: 700;
    font-size: 20px;
    color: var(--green-800);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 14px;
}

.nav-link {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    padding: 8px 10px;
    border-radius: 8px;
    transition: color .2s, background .2s;
}

    .nav-link:hover {
        color: var(--green-800);
        background: #f0f7f1;
    }

    .nav-link.active {
        color: var(--green-800);
        background: #e5f4e7;
    }

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 5px 16px;
    border-radius: 10px;
    font-weight: 600;
    text-decoration: none;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--green-800);
    color: #fff;
}

    .btn-primary:hover {
        background: var(--green-400);
    }

.btn-outline {
    background: transparent;
    color: var(--green-800);
    border-color: var(--green-800);
}

    .btn-outline:hover {
        color: #fff;
        background: var(--green-800);
    }

.btn-contact {
    background: var(--green-800);
    color: white;
}

    .btn-contact:hover {
        background: var(--green-400);
    }

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: 0;
    padding: 8px;
    border-radius: 8px;
}

    .nav-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--text);
    }

/* Sections */
.section {
    padding: 72px 0;
}

.section-lined {
    background: var(--surface);
}

.section h2 {
    margin: 0 0 18px 0;
    font-size: 32px;
    line-height: 1.2;
}

.section p {
    color: var(--muted);
}
/*#region title*/
.key {
    color: var(--green-800);
    font-size: 5vw;
    display: inline-block;
    letter-spacing: 0vw;
    transition: transform 0.2s;
}

    .key > img {
        width: 100%;
    }



@keyframes pressDown1 {
    30%, 40%, 100% {
        transform: translateY(0);
    }

    35% {
        transform: translateY(10px);
    }
}

@keyframes pressDown2 {
    70%, 80%, 100% {
        transform: translateY(0);
    }

    75% {
        transform: translateY(10px);
    }
}

@keyframes pressDown3 {
    30%, 40%, 100% {
        transform: translateY(0);
    }

    35% {
        transform: translateY(10px);
    }
}

@keyframes pressDown4 {
    40%, 50%, 100% {
        transform: translateY(0);
    }

    45% {
        transform: translateY(10px);
    }
}

@keyframes pressDown5 {
    20%, 30%, 100% {
        transform: translateY(0);
    }

    25% {
        transform: translateY(10px);
    }
}

@keyframes pressDown6 {
    60%, 70%, 100% {
        transform: translateY(0);
    }

    65% {
        transform: translateY(10px);
    }
}

@keyframes pressDown7 {
    10%, 20%, 100% {
        transform: translateY(0);
    }

    15% {
        transform: translateY(10px);
    }
}

@keyframes pressDown8 {
    35%, 45%, 100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(10px);
    }
}



.key:nth-child(1) {
    margin: 0;
    height: auto;
    width: 15%;
    animation: pressDown1 2s infinite;
}

.key:nth-child(2) {
    animation: pressDown2 3s infinite;
}

.key:nth-child(3) {
    animation: pressDown3 4s infinite;
}

.key:nth-child(4) {
    animation: pressDown4 2.5s infinite;
}

.key:nth-child(5) {
    animation: pressDown5 2.5s infinite;
}

.key:nth-child(6) {
    animation: pressDown6 3.5s infinite;
}

.key:nth-child(7) {
    animation: pressDown7 2.2s infinite;
}

.key:nth-child(8) {
    animation: pressDown8 3.2s infinite;
}
/*#endregion*/
/* Hero */
#mainTitle {
}

.hero {
    padding: 96px 0;
    background: linear-gradient(135deg, #f3f9ff, #f7fff4);
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 1.3fr;
    gap: 32px;
    align-items: center;
    margin: 0;
    min-width: 100%;
    padding: 0 90px;
}

.hero-content h1 {
    font-size: 44px;
    margin: 0 0 10px 0;
}

.hero-actions {
    display: flex;
    gap: 12px;
    margin-top: 18px;
    flex-wrap: wrap;
}

.hero-illustration {
    /* width: 100%;
    height: 280px;*/
    border-radius: 16px;
    background: radial-gradient(120px 120px at 20% 30%, var(--green-400) 0%, transparent 60%), radial-gradient(160px 160px at 80% 70%, var(--blue-400) 0%, transparent 60%), linear-gradient(135deg, rgba(0,104,56,.15), rgba(63,131,191,.15));
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0,0,0,.06);
}

.hero-illustration-aboutus {
    /* width: 100%;
    height: 280px;*/
    width: 94%;
    height: 94%;
    border-radius: 16px;
    background: radial-gradient(120px 120px at 20% 30%, var(--green-400) 0%, transparent 60%), radial-gradient(160px 160px at 80% 70%, var(--blue-400) 0%, transparent 60%), linear-gradient(135deg, rgba(0,104,56,.15), rgba(63,131,191,.15));
    border: 1px solid var(--border);
    box-shadow: 0 10px 30px rgba(0,0,0,.06);
}

/* About features */
#featuresContainer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.feature-card {
    background: #f6fbf7;
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 18px;
}

    .feature-card h3 {
        margin: 0 0 8px 0;
        color: var(--green-800);
    }

/* Service cards */
.cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    box-shadow: 0 2px 10px rgba(0,0,0,.03);
}

    .card h3 {
        margin: 0 0 10px 0;
    }

    .card i {
        color: var(--green-800);
    }

/* References */
.logo-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.logo-item {
    background: #006838;
    border: 1px dashed var(--blue-400);
    border-radius: 12px;
    padding: 18px;
    text-align: center;
    color: #ffffff;
    font-weight: 600;
    display: flex;
    flex-direction: column;
    gap: 15px;
    box-shadow: 0px 10px 15px 0 gray;
}

/* Contact */
.contact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.contact-list {
    list-style: none;
    margin: 10px 0 0 0;
    padding: 0;
}

    .contact-list li {
        margin-bottom: 6px;
    }
        .contact-list li:last-of-type > a {
            cursor: pointer;
            font-size: large;
            margin-left: 10px;
            color: var(--green-800);
            text-decoration: none;
        }

        .contact-list li > a {
            text-decoration: none;
            color: black;
        }

.contact-form {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 20px;
    display: grid;
    gap: 8px;
}

    .contact-form input, .contact-form textarea {
        border: 1px solid var(--border);
        border-radius: 10px;
        padding: 10px 12px;
        font: inherit;
    }

        .contact-form input:focus, .contact-form textarea:focus {
            outline: 2px solid var(--blue-400);
            border-color: var(--blue-400);
        }

/* Footer */
.site-footer {
    border-top: 1px solid var(--border);
    background: var(--surface);
}

.footer-inner {
    padding: 24px 0;
    text-align: center;
    color: var(--muted);
}

/* Responsive */

/* RESPONSIVE DESIGN */

/* Tablet (max 960px) */
@media (max-width: 820px) {
    .hero-illustration {
        width: 100%;
    }

    section {
        padding: 72px 20px !important;
    }

    .hero-inner {
        grid-template-columns: 1fr;
        padding: 0 30px;
        text-align: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .key:nth-child(1) {
        width: 6%;
    }

    .hero-content {
        order: 2;
    }

    .hero-visual {
        order: 1;
    }

    #featuresContainer {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .features {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }

    .feature-card {
        flex: 1 1 45%;
        min-width: 240px;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .logo-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .contact {
        grid-template-columns: 1fr;
    }
}

/* Mobile (max 720px) */
@media (max-width: 720px) {
    .key:nth-child(1) {
        width: 17% !important;
    }

    .hero-inner {
        padding: 0 20px;
    }

    section {
        padding: 72px 20px !important;
    }

    .hero-content h1,
    .hero-content h2 {
        font-size: 26px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: stretch;
    }

    .nav-toggle {
        display: inline-flex;
    }

    .key {
        font-size: 15vw;
    }

    .nav-menu {
        position: absolute;
        top: 64px;
        left: 0;
        right: 0;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        display: none;
        flex-direction: column;
        padding: 8px 16px;
    }

        .nav-menu.open {
            display: flex;
        }

    .nav-link {
        padding: 12px;
        text-align: center;
    }

    .feature-card {
        width: 100%;
    }

    .cards {
        grid-template-columns: 1fr;
    }

    .logo-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 16px;
    }


    #captcha {
        width: 55%;
    }

    #capthcaContainer {
        flex-direction: column;
        gap: 10px;
    }

        #capthcaContainer > input {
            width: 100% !important;
        }
}

/* Small Mobile (max 480px) */
@media (max-width: 480px) {
    #captcha {
        width: 55%;
    }

    section {
        padding: 72px 20px !important;
    }

    #capthcaContainer {
        flex-direction: column;
        gap: 10px;
    }

        #capthcaContainer > input {
            width: 100% !important;
        }


    body {
        font-size: 14px;
    }

    .brand-text {
        font-size: 16px;
    }

    .hero-content h1,
    .hero-content h2 {
        font-size: 22px;
    }

    .hero-illustration,
    .hero-illustration-aboutus {
        width: 100%;
        height: auto;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .feature-card,
    .card {
        padding: 14px;
    }

    .logo-item {
        font-size: 14px;
        padding: 12px;
    }

    .contact-list li {
        font-size: 14px;
    }
}
