:root {
    --hl-ink: #172033;
    --hl-muted: #64748b;
    --hl-line: #d8e0ea;
    --hl-soft: #f6f9fc;
    --hl-blue: #2563eb;
    --hl-blue-dark: #1d4ed8;
    --hl-green: #059669;
    --hl-green-dark: #047857;
    --hl-amber: #d97706;
    --hl-red: #dc2626;
    --hl-shadow: 0 18px 45px rgba(23, 32, 51, 0.09);
}

body {
    background:
        radial-gradient(circle at 20% 0%, rgba(37, 99, 235, 0.10), transparent 34rem),
        linear-gradient(180deg, #f8fbff 0%, #eef2f6 52%, #f8fafc 100%);
    color: var(--hl-ink);
    font-family: 'Inter', 'Segoe UI', sans-serif;
}

.hl-loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 9999;
    align-items: center;
    justify-content: center;
    background: rgba(248, 250, 252, 0.86);
    backdrop-filter: blur(8px);
}

.hl-loading-card {
    width: min(92vw, 360px);
    border: 1px solid var(--hl-line);
    border-radius: 8px;
    padding: 28px;
    text-align: center;
    background: #ffffff;
    box-shadow: var(--hl-shadow);
}

.hl-alert-stack {
    display: grid;
    gap: 12px;
    margin-bottom: 18px;
}

.alert {
    border-radius: 8px;
    font-weight: 600;
    box-shadow: 0 10px 24px rgba(23, 32, 51, 0.06);
}

.hl-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(390px, 0.82fr);
    gap: 28px;
    align-items: stretch;
}

.hl-hero-copy,
.hl-demo-form,
.hl-step,
.hl-feature-grid article,
.hl-info-panel,
.hl-contact-panel,
.hl-remove-panel {
    border: 1px solid var(--hl-line);
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: var(--hl-shadow);
}

.hl-hero-copy {
    position: relative;
    overflow: hidden;
    padding: clamp(28px, 5vw, 54px);
}

.hl-hero-copy::after {
    content: "";
    position: absolute;
    right: -120px;
    top: -160px;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.18), transparent 68%);
    pointer-events: none;
}

.hl-eyebrow,
.hl-form-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    color: var(--hl-blue);
    background: #eff6ff;
    border: 1px solid #bfdbfe;
    border-radius: 999px;
    padding: 6px 12px;
    font-size: .82rem;
    font-weight: 800;
}

.hl-hero h1 {
    max-width: 680px;
    margin: 18px 0 14px;
    color: var(--hl-ink);
    font-size: clamp(2rem, 4vw, 3.55rem);
    line-height: 1.04;
    font-weight: 900;
    letter-spacing: 0;
}

.hl-hero-lead {
    max-width: 670px;
    color: #475569;
    font-size: clamp(1rem, 1.45vw, 1.18rem);
    line-height: 1.65;
    margin: 0 0 22px;
}

.hl-proof-row {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    max-width: 610px;
    margin: 24px 0;
}

.hl-proof-row > div {
    border: 1px solid #e4eaf1;
    border-radius: 8px;
    padding: 14px;
    background: #ffffff;
}

.hl-proof-row strong,
.hl-proof-row span {
    display: block;
}

.hl-proof-row strong {
    color: var(--hl-ink);
    font-size: 1.05rem;
    font-weight: 900;
}

.hl-proof-row span {
    color: var(--hl-muted);
    font-size: .84rem;
    font-weight: 700;
    margin-top: 2px;
}

.hl-product-shot {
    position: relative;
    z-index: 1;
    margin-top: 26px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    overflow: hidden;
    background: #ffffff;
    box-shadow: 0 24px 60px rgba(23, 32, 51, 0.16);
}

.hl-product-shot img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 8.4;
    object-fit: cover;
}

.hl-demo-form {
    padding: clamp(22px, 3vw, 34px);
}

.hl-demo-form:hover {
    transform: none;
    box-shadow: var(--hl-shadow);
}

.hl-form-head {
    display: flex;
    justify-content: space-between;
    gap: 18px;
    padding-bottom: 20px;
    margin-bottom: 20px;
    border-bottom: 1px solid #e5eaf0;
}

.hl-form-head h2,
.hl-info-panel h2,
.hl-contact-panel h2,
.hl-remove-panel h2 {
    margin: 10px 0 6px;
    color: var(--hl-ink);
    font-size: 1.28rem;
    font-weight: 900;
    letter-spacing: 0;
}

.hl-form-head p,
.hl-info-panel p,
.hl-contact-panel p,
.hl-remove-panel p,
.hl-step p,
.hl-feature-grid p {
    color: var(--hl-muted);
    line-height: 1.55;
}

.hl-form-head p {
    margin: 0;
    font-size: .94rem;
}

.hl-lock-badge {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border-radius: 8px;
    color: var(--hl-green);
    background: #ecfdf5;
    border: 1px solid #bbf7d0;
}

label {
    color: #334155;
    font-weight: 800;
    font-size: .9rem;
    margin-bottom: 6px;
}

.form-control,
.input-group-text {
    border-radius: 8px;
    border-color: #cbd5e1;
    color: var(--hl-ink);
    font-size: 1rem;
}

.input-group > .form-control:not(:first-child),
.input-group > .input-group-text:not(:first-child) {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.input-group > .form-control:not(:last-child),
.input-group > .input-group-text:not(:last-child) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

.form-control:focus {
    border-color: var(--hl-blue);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.14);
}

.form-text {
    color: #728196;
    font-size: .82rem;
}

.hl-terms {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin: 22px 0;
    padding: 14px;
    border-radius: 8px;
    background: var(--hl-soft);
    border: 1px solid #e5eaf0;
}

.hl-terms a {
    color: var(--hl-blue-dark);
    font-weight: 800;
    text-decoration: none;
}

.hl-terms a:hover {
    text-decoration: underline;
}

.hl-submit-btn {
    width: 100%;
    min-height: 54px;
    border: 0;
    border-radius: 8px;
    color: #ffffff;
    background: linear-gradient(135deg, var(--hl-green), var(--hl-blue));
    box-shadow: 0 18px 34px rgba(5, 150, 105, 0.24);
    font-weight: 900;
}

.hl-submit-btn:hover {
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 22px 40px rgba(37, 99, 235, 0.24);
}

.hl-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    margin: 28px 0;
}

.hl-step {
    padding: 22px;
}

.hl-step span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    color: var(--hl-blue);
    background: #eff6ff;
    font-weight: 900;
    margin-bottom: 14px;
}

.hl-step h3,
.hl-feature-grid h3 {
    color: var(--hl-ink);
    font-size: 1rem;
    font-weight: 900;
    margin-bottom: 8px;
}

.hl-step p,
.hl-feature-grid p {
    margin: 0;
    font-size: .92rem;
}

.hl-feature-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
    margin: 28px 0;
}

.hl-feature-grid article {
    padding: 22px;
}

.hl-feature-grid i {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    color: var(--hl-blue);
    background: #eff6ff;
    margin-bottom: 14px;
}

.hl-info-panel,
.hl-contact-panel,
.hl-remove-panel {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 22px;
    padding: 28px;
    margin-top: 28px;
}

.hl-info-panel h2,
.hl-contact-panel h2,
.hl-remove-panel h2 {
    margin-top: 0;
}

.hl-info-panel p,
.hl-contact-panel p,
.hl-remove-panel p {
    max-width: 720px;
    margin: 0;
}

.hl-contact-panel {
    color: #ffffff;
    background:
        linear-gradient(135deg, rgba(15, 23, 42, 0.88), rgba(29, 78, 216, 0.82)),
        url("/img/helpline-demo-hero-v2.webp") center / cover no-repeat;
    border-color: rgba(255, 255, 255, 0.18);
}

.hl-contact-panel h2,
.hl-contact-panel p {
    color: #ffffff;
}

.hl-secondary-action {
    border-radius: 8px;
    padding: 12px 18px;
    font-weight: 900;
    white-space: nowrap;
}

.hl-remove-panel {
    background: #fffafa;
    border-color: #fecaca;
}

.hl-remove-panel > div {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.hl-remove-panel i {
    width: 40px;
    height: 40px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 auto;
    border-radius: 8px;
    color: var(--hl-red);
    background: #fef2f2;
}

@media (max-width: 1190px) {
    .hl-hero {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 992px) {
    .hl-feature-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 768px) {
    .hl-hero-copy,
    .hl-demo-form {
        padding: 22px;
    }

    .hl-proof-row,
    .hl-steps,
    .hl-feature-grid {
        grid-template-columns: 1fr;
    }

    .hl-form-head,
    .hl-info-panel,
    .hl-contact-panel,
    .hl-remove-panel {
        flex-direction: column;
        align-items: stretch;
    }

    .hl-secondary-action {
        width: 100%;
        white-space: normal;
    }
}

@media (max-width: 520px) {
    .hl-hero h1 {
        font-size: 2rem;
    }

    .hl-product-shot img {
        aspect-ratio: 4 / 3;
    }
}