:root {
    --bg: #f1f5f9;
    --card-bg: #ffffff;
    --accent: #0ea5e9;
    --accent-soft: rgba(14, 165, 233, 0.12);
    --border: #e2e8f0;
    --text: #0f172a;
    --muted: #6b7280;
    --danger: #ef4444;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: Vazirmatn, system-ui, sans-serif;
    background: radial-gradient(circle at top, #e5f3ff 0, #f8fafc 45%, #e2e8f0 100%);
    color: var(--text);
    padding: 32px 12px;
}

.wrap {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.intro {
    padding: 12px;
    width: 100%;
    max-width: 900px;
}

.intro-title-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

.intro-pill {
    width: 30px;
    height: 30px;
    border-radius: 999px;
    box-shadow:
        0 0 0 1px rgba(148, 163, 184, 0.35),
        0 10px 25px rgba(56, 189, 248, 0.35);
}

.intro h1 {
    margin: 0;
    font-size: 22px;
}

.intro p {
    margin-top: 8px;
    font-size: 14px;
    color: var(--muted);
    line-height: 1.8;
}

/* ===== کارت‌های سه‌گانه ===== */

.features-container {
    width: 100%;
}

.enhanced-features {
    display: flex;
    flex-direction: row;
    gap: 18px;
    width: 100%;
}

.feature-card {
    flex: 1;
    min-height: 170px;
    border-radius: 16px;
    border: 1px solid rgba(0, 162, 255, 0.25);
    background-size: cover;
    background-position: center;
    box-shadow: 0 10px 25px rgba(14, 165, 233, 0.20);
    overflow: hidden;
    cursor: pointer;
    transition: transform .35s ease, box-shadow .35s ease;
}

/* تصاویر کارت‌ها */
.feature-card:nth-child(1) {
    background-image: url("./dental1.webp");
}

.feature-card:nth-child(2) {
    background-image: url("./dental2.webp");
}

.feature-card:nth-child(3) {
    background-image: url("./dental3.webp");
}

.feature-card:hover {
    transform: translateY(-6px) scale(1.04);
    box-shadow: 0 18px 38px rgba(0, 0, 0, 0.18);
}

.backdrop {
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 18px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
}

.feature-card h3 {
    color: #fff;
    margin: 0 0 6px;
    font-size: 16px;
}

.feature-card p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-size: 13px;
}

/* انیمیشن ورودی کارت‌ها */
.feature-card {
    opacity: 0;
    animation: fadeInUp .7s ease forwards;
}

.feature-card:nth-child(2) {
    animation-delay: .15s;
}

.feature-card:nth-child(3) {
    animation-delay: .3s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== فرم ===== */

.card {
    width: 100%;
    background: var(--card-bg);
    border-radius: 18px;
    padding: 22px;
    border: 1px solid var(--border);
    box-shadow:
        0 16px 35px rgba(15, 23, 42, 0.08),
        0 0 0 1px rgba(148, 163, 184, 0.18);
}

.wide-form {
    width: 100%;
    margin-top: 10px;
}

.card-header h2 {
    margin: 0;
    font-size: 17px;
}

.card-header p {
    margin: 4px 0 0;
    font-size: 13px;
    color: var(--muted);
}

form {
    margin-top: 14px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.row {
    display: flex;
    gap: 10px;
}

.field {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

label {
    font-size: 12px;
    color: var(--muted);
    letter-spacing: .05em;
}

input,
textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #f9fafb;
    transition: border-color .2s, box-shadow .2s;
    font-size: 14px;
}

input:focus,
textarea:focus {
    border-color: var(--accent);
    background: #fff;
    box-shadow: 0 0 0 1px var(--accent-soft);
}

button {
    border: none;
    border-radius: 999px;
    padding: 9px 18px;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    color: #fff;
    background: linear-gradient(135deg, #0e95f9, #7265de);
    box-shadow: 0 12px 26px rgba(64, 117, 184, .35);
    transition: .2s;
}

button:hover {
    transform: translateY(-2px);
    background: linear-gradient(135deg, #22c55e, #16a34a);
    box-shadow: 0 18px 36px rgba(34, 197, 94, .45);
}

.dot {
    width: 6px;
    height: 6px;
    background: #fefce8;
    border-radius: 50%;
}

.status.ok {
    color: #16a34a;
}

.status.error {
    color: var(--danger);
}

/* ===== موبایل ===== */
@media (max-width: 768px) {
    .enhanced-features {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .row {
        flex-direction: column;
    }
}


/* ===== نسخه موبایل کارت‌ها ===== */
@media (max-width: 768px) {
    .enhanced-features {
        flex-direction: column;
        gap: 20px;
    }

    .feature-card {
        min-height: 160px;
        border-radius: 18px;
        background-size: cover;
        background-position: center;
        overflow: hidden;
        transform: scale(1);
        transition: transform .35s ease, box-shadow .35s ease;
    }

    .feature-card:hover {
        transform: translateY(-4px) scale(1.03);
        box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
    }

    .feature-card h3 {
        font-size: 18px;
        font-weight: 700;
    }

    .feature-card p {
        font-size: 14px;
        opacity: .9;
    }

    .backdrop {
        padding: 20px;
        background: linear-gradient(transparent, rgba(0, 0, 0, .78));
    }
}



input,
textarea,
button,
label,
.card-header h2,
.card-header p,
.status,
.footer {
    font-family: Vazirmatn, system-ui, sans-serif !important;
}

@media (max-width: 768px) {

    /* کارت‌ها مربعی شوند */
    .feature-card {
        width: 100%;
        aspect-ratio: 5 / 4;
        /* نسبت فعلی کارت */
        min-height: unset;
        height: auto;
        position: relative;
        border-radius: 16px;
        overflow: hidden;
    }

    /* های‌لایت پشت متن (بازگردانده شد) */
    .feature-card .backdrop {
        position: absolute;
        bottom: 0;
        width: 100%;
        padding: 20px 18px 24px;
        text-align: center;

        /* گرادیان نرم و جذاب */
        background: linear-gradient(to top,
                rgba(0, 0, 0, 0.75) 0%,
                rgba(0, 0, 0, 0.45) 40%,
                rgba(0, 0, 0, 0) 100%) !important;
    }

    /* انتقال نوشته‌ها به پایین کارت */
    .feature-card h3 {
        font-size: 17px;
        font-weight: 700;
        margin: 0 0 4px;
        color: #ffffff;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    }

    .feature-card p {
        font-size: 14px;
        margin: 0;
        color: #f2f2f2;
        text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    }
}