:root {
    --iotiza-purple: #6500ba;
    --iotiza-purple-soft: #8f3cff;
    --iotiza-ink: #221a45;
    --iotiza-bg: #f5f3ff;
    --iotiza-surface: #ffffff;
    --iotiza-border: rgba(101, 0, 186, 0.12);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Inter', sans-serif;
    color: var(--iotiza-ink);
    background: var(--iotiza-bg);
}

.iotiza-shell {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.iotiza-section,
.iotiza-hero,
.iotiza-segment-header {
    padding: 48px 0;
}

.iotiza-kicker {
    margin: 0 0 12px;
    font-size: 0.85rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--iotiza-purple);
}

.iotiza-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 22px;
    border: 0;
    border-radius: 999px;
    background: var(--iotiza-purple);
    color: #fff;
    font-weight: 700;
    cursor: pointer;
}

.iotiza-button--ghost {
    background: rgba(101, 0, 186, 0.08);
    color: var(--iotiza-purple);
}

.iotiza-segment-nav {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.iotiza-segment-nav a {
    color: var(--iotiza-ink);
    text-decoration: none;
}

.iotiza-feature-grid,
.iotiza-faq-list {
    display: grid;
    gap: 16px;
}

.iotiza-feature-grid {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.iotiza-feature-card,
.iotiza-faq-item,
.iotiza-modal__panel {
    background: rgba(255, 255, 255, 0.82);
    border: 1px solid var(--iotiza-border);
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(34, 26, 69, 0.08);
}

.iotiza-feature-card,
.iotiza-faq-item summary,
.iotiza-faq-body,
.iotiza-modal__panel {
    padding: 20px;
}

.iotiza-modal[hidden] {
    display: none;
}

.iotiza-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
}

.iotiza-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(34, 26, 69, 0.55);
}

.iotiza-modal__panel {
    position: relative;
    z-index: 1;
    width: min(640px, calc(100% - 32px));
    margin: 5vh auto 0;
}

.iotiza-modal__close {
    position: absolute;
    top: 12px;
    right: 12px;
    border: 0;
    background: transparent;
    font-size: 20px;
    cursor: pointer;
}

.iotiza-modal input,
.iotiza-modal textarea {
    width: 100%;
    margin: 0 0 12px;
    padding: 14px 16px;
    border: 1px solid rgba(34, 26, 69, 0.12);
    border-radius: 14px;
}

@media (max-width: 720px) {
    .iotiza-section,
    .iotiza-hero,
    .iotiza-segment-header {
        padding: 32px 0;
    }
}