:root {
    --portal-bg: #f4f7fa;
    --portal-surface: #ffffff;
    --portal-ink: #0D1323;
    --portal-muted: #607086;
    --portal-line: #dbe5ef;
    --portal-primary: #006D7A;
    --portal-primary-dark: #0D1323;
    --portal-accent: #00C4A7;
    --portal-danger: #dc2626;
    --portal-warning: #d97706;
    --portal-shadow: 0 18px 50px rgba(22, 32, 51, 0.12);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: "Poppins", "Segoe UI", Arial, sans-serif;
    background: var(--portal-bg);
    color: var(--portal-ink);
}

button, input, textarea, select { font: inherit; }

button, a { transition: 0.18s ease; }

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

.hidden { display: none !important; }

.portal-topbar {
    position: sticky;
    top: 0;
    z-index: 20;
    min-height: 72px;
    padding: 14px clamp(20px, 5vw, 72px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    background: rgba(13, 19, 35, 0.94);
    border-bottom: 1px solid rgba(230, 232, 235, 0.12);
    backdrop-filter: blur(14px);
}

.portal-brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.portal-brand.compact { padding: 10px 0 22px; }

.portal-brand img {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    object-fit: cover;
}

.portal-brand strong { display: block; font-size: 22px; letter-spacing: 0; color: #ffffff; }
.portal-brand small { color: #88c8cb; font-size: 12px; }

.brand-mark {
    width: 42px;
    height: 42px;
    border-radius: 10px;
    display: grid;
    place-items: center;
    color: #fff;
    font-weight: 800;
    background: linear-gradient(135deg, #155eef, #10b981);
    box-shadow: 0 10px 28px rgba(21,94,239,0.25);
}

.portal-topbar nav {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.portal-topbar nav a,
.portal-topbar nav button {
    border: 0;
    background: transparent;
    color: #c7d5e3;
    cursor: pointer;
    padding: 9px 10px;
    border-radius: 8px;
}

.portal-topbar nav a:hover,
.portal-topbar nav button:hover { background: rgba(0,196,167,0.12); color: #ffffff; }

.admin-link {
    border: 1px solid rgba(0,196,167,0.38) !important;
    color: #ffffff !important;
}

.hero {
    min-height: calc(100vh - 72px);
    padding: clamp(44px, 7vw, 86px) clamp(20px, 5vw, 72px);
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
    gap: clamp(28px, 6vw, 72px);
    align-items: center;
    background:
        radial-gradient(circle at 82% 18%, rgba(0, 196, 167, 0.23), transparent 36%),
        linear-gradient(135deg, #0D1323 0%, #10213a 58%, #006D7A 140%);
    color: #ffffff;
}

.hero-product-logo {
    display: block;
    width: min(360px, 80vw);
    max-height: 132px;
    object-fit: contain;
    object-position: left center;
    margin: 12px 0 14px;
    filter: drop-shadow(0 18px 38px rgba(0,0,0,0.28));
}

.hero-copy p {
    max-width: 680px;
    font-size: 21px;
    line-height: 1.55;
    color: #dbe7f1;
}

.eyebrow,
.section-title span {
    display: inline-flex;
    color: var(--portal-primary);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 0.08em;
}

.hero-actions,
.modal-actions,
.ticket-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 26px;
}

.primary,
.secondary,
.ghost,
.danger {
    border: 0;
    border-radius: 8px;
    cursor: pointer;
    min-height: 42px;
    padding: 10px 16px;
    font-weight: 700;
}

.primary { background: var(--portal-primary); color: #fff; }
.primary:hover { background: var(--portal-primary-dark); }
.secondary { background: #eaf1ff; color: var(--portal-primary); }
.ghost { background: transparent; color: var(--portal-primary); }
.danger { background: #fee2e2; color: var(--portal-danger); }

.hero-panel {
    min-height: 420px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    padding: 18px;
    border: 1px solid rgba(230, 232, 235, 0.14);
    border-radius: 20px;
    background:
        radial-gradient(circle at 20% 10%, rgba(0,196,167,0.14), transparent 28%),
        radial-gradient(circle at 80% 0%, rgba(0,109,122,0.2), transparent 24%),
        rgba(13, 19, 35, 0.62);
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
}

.hero-brand-card {
    width: 100%;
    grid-column: 1 / -1;
    border-radius: 8px;
    border: 1px solid rgba(230, 232, 235, 0.12);
    display: block;
}

.metric {
    display: flex;
    flex-direction: column;
    justify-content: end;
    padding: 18px;
    border: 1px solid rgba(230, 232, 235, 0.14);
    border-radius: 14px;
    background: rgba(255,255,255,0.08);
    color: #ffffff;
}

.metric span { color: #8fded6; }
.metric strong { margin-top: 8px; font-size: 20px; }

.section {
    padding: 68px clamp(20px, 5vw, 72px);
}

.muted-section { background: #eef3fa; }

.section-title {
    max-width: 760px;
    margin-bottom: 26px;
}

.section-title h2,
.contact-band h2 {
    margin: 8px 0 0;
    font-size: clamp(30px, 4vw, 46px);
    letter-spacing: 0;
}

.feature-grid,
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.feature-grid article,
.plan-card,
.download-card,
.customer-card {
    background: var(--portal-surface);
    border: 1px solid var(--portal-line);
    border-radius: 12px;
    padding: 22px;
    box-shadow: 0 6px 18px rgba(22,32,51,0.06);
}

.feature-grid h3,
.plan-card h3,
.customer-card h3 {
    margin: 0 0 10px;
}

.feature-grid p,
.plan-card p,
.download-card p,
.contact-band p {
    color: var(--portal-muted);
    line-height: 1.55;
}

.plan-price {
    font-size: 28px;
    color: var(--portal-primary);
    font-weight: 800;
    margin: 18px 0 12px;
}

.download-list {
    display: grid;
    gap: 12px;
}

.download-card {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 18px;
    align-items: center;
}

.simulator-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(260px, 360px);
    gap: 20px;
    align-items: stretch;
    background: var(--portal-surface);
    border: 1px solid var(--portal-line);
    border-radius: 12px;
    padding: 22px;
    box-shadow: 0 6px 18px rgba(22,32,51,0.06);
}

.simulator-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: 14px;
}

.simulator-controls label,
.portal-form label {
    display: grid;
    gap: 7px;
    color: var(--portal-muted);
    font-weight: 700;
}

.simulator-controls input,
.simulator-controls select {
    min-height: 42px;
    border: 1px solid var(--portal-line);
    border-radius: 8px;
    padding: 9px 11px;
    color: var(--portal-ink);
    background: #fff;
}

.simulator-controls label:has(input[type="checkbox"]) {
    display: flex;
    align-items: center;
    gap: 8px;
    background: #f8fbff;
    border: 1px solid var(--portal-line);
    border-radius: 8px;
    padding: 12px;
}

.simulator-result,
.proposal-values {
    display: grid;
    align-content: center;
    gap: 8px;
    background: #f8fbff;
    border: 1px solid var(--portal-line);
    border-radius: 10px;
    padding: 18px;
}

.simulator-result span,
.proposal-values span,
.proposal-values small {
    color: var(--portal-muted);
}

.simulator-result strong,
.proposal-values strong {
    font-size: 30px;
    color: var(--portal-primary);
}

.proposal-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(220px, 280px);
    gap: 18px;
}

.tag {
    display: inline-flex;
    align-items: center;
    border-radius: 999px;
    padding: 5px 10px;
    background: #eef4ff;
    color: var(--portal-primary);
    font-size: 12px;
    font-weight: 700;
}

.contact-band {
    margin: 40px clamp(20px, 5vw, 72px) 70px;
    padding: 34px;
    border-radius: 18px;
    background: #172033;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.contact-band p { color: #c9d4e5; max-width: 700px; }

.portal-modal {
    position: fixed;
    inset: 0;
    z-index: 40;
    background: rgba(15,23,42,0.52);
    display: grid;
    place-items: center;
    padding: 20px;
}

.modal-card {
    width: min(640px, 100%);
    max-height: min(720px, 90vh);
    overflow: auto;
    background: #fff;
    border-radius: 14px;
    border: 1px solid var(--portal-line);
    box-shadow: var(--portal-shadow);
    padding: 24px;
    position: relative;
}

.modal-close {
    position: absolute;
    right: 14px;
    top: 14px;
    border: 0;
    background: #f1f5f9;
    border-radius: 8px;
    padding: 8px 10px;
    cursor: pointer;
}

.portal-form {
    display: grid;
    gap: 12px;
}

.portal-form label {
    display: grid;
    gap: 7px;
    color: var(--portal-muted);
    font-weight: 600;
}

.portal-form input,
.portal-form textarea,
.portal-form select {
    border: 1px solid var(--portal-line);
    border-radius: 8px;
    min-height: 42px;
    padding: 10px 12px;
    color: var(--portal-ink);
    background: #fff;
}

.portal-form textarea { min-height: 110px; resize: vertical; }

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.customer-app {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 268px 1fr;
    background: var(--portal-bg);
}

.customer-sidebar {
    background: #fff;
    border-right: 1px solid var(--portal-line);
    padding: 22px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.customer-sidebar button {
    border: 1px solid var(--portal-line);
    background: #fff;
    color: var(--portal-ink);
    border-radius: 8px;
    padding: 12px;
    text-align: left;
    cursor: pointer;
}

.customer-sidebar button.active {
    background: var(--portal-primary);
    color: #fff;
    border-color: var(--portal-primary);
}

.customer-main { min-width: 0; }

.customer-header {
    height: 76px;
    background: #fff;
    border-bottom: 1px solid var(--portal-line);
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.customer-header h2 { margin: 0; }
.customer-header span { color: var(--portal-muted); }

#customerContent {
    padding: 24px;
    display: grid;
    gap: 18px;
}

.customer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.customer-card strong {
    display: block;
    font-size: 26px;
    color: var(--portal-primary);
    margin-top: 8px;
}

.portal-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border: 1px solid var(--portal-line);
    border-radius: 12px;
    overflow: hidden;
}

.portal-table th,
.portal-table td {
    padding: 13px;
    border-bottom: 1px solid var(--portal-line);
    text-align: left;
    vertical-align: top;
}

.portal-table th {
    color: var(--portal-muted);
    background: #f8fafc;
    font-size: 13px;
}

.notice {
    padding: 12px 14px;
    border-radius: 8px;
    background: #ecfdf5;
    color: #047857;
    border: 1px solid #bbf7d0;
}

.notice.error {
    background: #fef2f2;
    color: var(--portal-danger);
    border-color: #fecaca;
}

@media (max-width: 880px) {
    .portal-topbar { align-items: flex-start; flex-direction: column; }
    .portal-topbar nav { width: 100%; }
    .hero { grid-template-columns: 1fr; min-height: auto; }
    .hero-panel { min-height: 300px; }
    .download-card,
    .contact-band { grid-template-columns: 1fr; display: grid; }
    .customer-app { grid-template-columns: 1fr; }
    .customer-sidebar { position: static; border-right: 0; border-bottom: 1px solid var(--portal-line); }
    .form-grid { grid-template-columns: 1fr; }
}