:root {
    --proton-purple: #6d4aff;
    --text-dark: #212121;
    --text-menu: #3a3a69;
    --text-sub: #667085;
    --bg-gray: #f9f9fb;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: #ffffff;
    color: var(--text-dark);
    opacity: 0;
    transition: opacity 300ms ease;
}

/* Page transition states */
body.is-loaded {
    opacity: 1;
}

body.is-exiting {
    opacity: 0;
    pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
    body {
        transition: none !important;
    }
}


/* --- Proton Navigation --- */
.proton-nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: 72px;
    background: #fff;
    z-index: 1000;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}

.nav-content {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.nav-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-logo {
    height: 26px;
    width: auto;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 32px;
    color: var(--text-menu);
    font-size: 15px;
    font-weight: 600;
}

.nav-menu li {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    position: relative;
    height: 72px;
}

/* anchor links inside nav */
.nav-menu a.nav-link {
    color: inherit;
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    height: 72px;
    padding: 0 4px;
}

/* --- Dropdown Mega Menu --- */
.dropdown-menu {
    position: absolute;
    top: 72px;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    width: 650px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    display: grid;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    grid-template-columns: 1fr 1.2fr;
    overflow: hidden;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: opacity 200ms ease, transform 200ms ease;
}

.dropdown-trigger:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

/* --- Mega Menu Refined --- */
.dropdown-menu.mega-menu {
    width: 900px;
    grid-template-columns: 1fr 280px;
}

.mega-content {
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.mega-header {
    margin-bottom: 8px;
}

.mega-header h4 {
    color: var(--text-menu);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
    opacity: 0.7;
}

.mega-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.mega-item {
    text-decoration: none;
    display: flex;
    gap: 16px;
    align-items: flex-start;
    transition: transform 0.2s ease;
}

.mega-item:hover {
    transform: translateY(-2px);
}

.mega-item .icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: 10px;
}

.mega-item h5 {
    color: var(--text-dark);
    font-size: 15px;
    margin-bottom: 4px;
    font-weight: 700;
}

.mega-item p {
    color: var(--text-sub);
    font-size: 13px;
    line-height: 1.4;
}

.mega-separator {
    height: 1px;
    background: rgba(0, 0, 0, 0.06);
    margin: 8px 0;
}

.mega-footer-section {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.mega-side {
    background: var(--bg-gray);
    padding: 32px;
    border-left: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.promo-card {
    background: linear-gradient(135deg, #2B96CB, #3DC0C1);
    border-radius: 16px;
    padding: 24px;
    color: #fff;
    position: relative;
    overflow: hidden;
    margin-top: auto;
}

.promo-card h4 {
    font-size: 16px;
    margin-bottom: 8px;
    font-weight: 700;
}

.promo-card p {
    font-size: 13px;
    opacity: 0.9;
    line-height: 1.4;
}

.promo-badge {
    position: absolute;
    bottom: -10px;
    right: -10px;
    opacity: 0.2;
}

/* Updated logo alignment */
.nav-left .logo-container {
    display: flex;
    align-items: center;
}

.icon-wrap svg {
    color: var(--text-menu);
}


.dropdown-column {
    padding: 32px;
}

.left-col {
    background: #fff;
    border-right: 1px solid #f0f0f4;
}

.right-col {
    background: var(--bg-gray);
}

.dropdown-item h4 {
    color: var(--text-menu);
    font-size: 16px;
    margin-bottom: 8px;
}

.dropdown-item p {
    color: var(--text-sub);
    font-size: 14px;
    line-height: 1.5;
    font-weight: 400;
}

.right-col .dropdown-item {
    display: flex;
    gap: 16px;
}

.icon-wrap {
    width: 40px;
    height: 40px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    flex-shrink: 0;
}

/* --- Content Styling --- */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 160px 24px 80px;
    text-align: center;
}

.hero h1 {
    font-size: 52px;
    font-weight: 700;
    letter-spacing: -1.5px;
    margin-bottom: 16px;
}

.hero .subtitle {
    font-size: 22px;
    color: var(--text-sub);
    margin-bottom: 50px;
}

.filter-bar {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 60px;
}

.filter-btn {
    padding: 10px 20px;
    border-radius: 50px;
    border: none;
    background: #f0f0f4;
    font-weight: 600;
    cursor: pointer;
    transition: 0.2s;
}

.filter-btn.active {
    background: var(--text-dark);
    color: #fff;
}

.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.card {
    background: #fff;
    border-radius: 24px;
    padding: 40px;
    text-decoration: none;
    color: var(--text-dark);
    border: 1px solid rgba(0, 0, 0, 0.06);
    opacity: 1;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--proton-purple);
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 12px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 20px;
}

/* Chevron rotation */
.chevron::after {
    content: "⌵";
    font-size: 10px;
    font-weight: bold;
    display: inline-block;
    transition: transform 200ms ease;
}

.dropdown-trigger:hover .chevron::after {
    transform: rotate(180deg);
}

.chin-icon {
    background: linear-gradient(135deg, #2B96CB, #3DC0C1, #ffffff);
}

.phy-icon {
    background: linear-gradient(135deg, #2B96CB, #3DC0C1, #ffffff);
}

.ict-icon {
    background: linear-gradient(135deg, #2B96CB, #3DC0C1, #ffffff);
}

.ls-icon {
    background: linear-gradient(135deg, #2B96CB, #3DC0C1, #ffffff);
}

.net-icon {
    background: linear-gradient(135deg, #2B96CB, #3DC0C1, #ffffff);
}

.url {
    color: var(--proton-purple);
    font-weight: 600;
    font-size: 14px;
}

.minimal-footer {
    margin-top: 100px;
    color: var(--text-sub);
    font-size: 14px;
}

.dot-separator {
    width: 4px;
    height: 4px;
    background: #ddd;
    border-radius: 50%;
    margin: 16px auto;
}

/* Footer legal links */
.minimal-footer .legal {
    margin-top: 10px;
    font-size: 13px;
    color: var(--text-sub);
}

.minimal-footer .legal a {
    color: inherit;
    text-decoration: none;
    margin: 0 6px;
}

.minimal-footer .legal a:hover {
    text-decoration: underline;
}

/* Accordion styles */
.accordion {
    max-width: 900px;
    margin: 20px auto 60px;
    text-align: left;
}

.accordion-item {
    border-top: 1px solid rgba(0, 0, 0, 0.06);
}

.accordion-item:first-of-type {
    border-top: none;
}

.accordion-button {
    width: 100%;
    padding: 18px 16px;
    font-size: 16px;
    font-weight: 700;
    text-align: left;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.accordion-button:focus {
    outline: 2px solid var(--proton-purple);
    outline-offset: 2px;
}

.accordion-button::after {
    content: "⌵";
    transform: rotate(0deg);
    transition: transform 200ms ease;
    margin-left: 12px;
}

.accordion-button[aria-expanded="true"]::after {
    transform: rotate(180deg);
}

.accordion-panel {
    overflow: hidden;
    max-height: 0;
    opacity: 0;
    padding: 0 16px;
    transition: max-height 300ms ease, opacity 300ms ease;
}

.accordion-panel p,
.accordion-panel ul {
    margin: 12px 0 18px;
    color: var(--text-sub);
    line-height: 1.5;
}

@media (prefers-reduced-motion: reduce) {

    .accordion-button::after,
    .accordion-panel {
        transition: none !important;
    }
}

/* --- Form Styling --- */
.form-container {
    max-width: 700px;
    margin: 0 auto 100px;
    background: #fff;
    padding: 60px;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.04);
    text-align: left;
}

.inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-menu);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 14px 16px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.1);
    background: var(--bg-gray);
    font-family: inherit;
    font-size: 15px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--proton-purple);
    box-shadow: 0 0 0 4px rgba(109, 74, 255, 0.1);
}

.submit-btn {
    padding: 16px 32px;
    font-size: 16px;
    background: linear-gradient(135deg, rgba(43, 150, 203, 0.9), rgba(61, 192, 193, 0.9));
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    color: #fff;
    font-weight: 700;
    margin-top: 12px;
    cursor: pointer;
    transition: transform 0.2s, opacity 0.2s, box-shadow 0.2s;
    width: fit-content;
    align-self: flex-start;
}

.submit-btn:hover {
    transform: translateY(-2px);
    opacity: 1;
    box-shadow: 0 8px 20px rgba(61, 192, 193, 0.3);
}


@media (max-width: 600px) {
    .form-row {
        grid-template-columns: 1fr;
    }
}