*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #f0f2f5;
    --color-card: #ffffff;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-secondary: #16a34a;
    --color-secondary-hover: #15803d;
    --color-text: #1e293b;
    --color-text-muted: #64748b;
    --color-border: #e2e8f0;
    --color-icon: #64748b;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.08);
    --radius-card: 16px;
    --radius-btn: 10px;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--color-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* ========== WRAPPER ========== */
.wrapper {
    width: 100%;
    max-width: 420px;
}

/* ========== LOGO BANNER ========== */
.logo-banner {
    background-color: var(--color-primary);
    padding: 8px 20px;
    border-radius: var(--radius-card) var(--radius-card) 0 0;
    text-align: center;
}

.logo-banner__img {
    max-width: 100px;
    height: auto;
}

/* ========== CARD ========== */
.card {
    background: var(--color-card);
    border-radius: 0 0 var(--radius-card) var(--radius-card);
    box-shadow: var(--shadow-card);
    width: 100%;
    padding: 40px 32px 32px;
    text-align: center;
}

/* ========== AVATAR ========== */
.card__avatar {
    margin-bottom: 20px;
}

.card__avatar-img {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--color-border);
}

/* ========== INFO ========== */
.card__info {
    margin-bottom: 24px;
}

.card__name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
}

.card__position {
    font-size: 1rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 4px;
}

.card__company {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* ========== CONTACTS ========== */
.card__contacts {
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.card__contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.card__icon {
    width: 18px;
    height: 18px;
    color: var(--color-icon);
    flex-shrink: 0;
}

.card__contact-text {
    font-size: 0.9rem;
    color: var(--color-text);
    word-break: break-all;
}

/* ========== RECAPTCHA ========== */
.card__recaptcha {
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
}

.card__recaptcha-text {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-align: center;
}

/* ========== PROTECTED CONTENT ========== */
.card__protected {
    width: 100%;
}

/* ========== QR CODE ========== */
.card__qr {
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.card__qr-img {
    width: 120px;
    height: 120px;
    border-radius: 8px;
}

.card__qr-caption {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ========== ACTIONS ========== */
.card__actions {
    display: flex;
    gap: 12px;
}

.btn {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 20px;
    border-radius: var(--radius-btn);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.btn:active {
    transform: scale(0.97);
}

.btn__icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.btn--primary {
    background-color: var(--color-primary);
    color: #ffffff;
}

.btn--primary:hover {
    background-color: var(--color-primary-hover);
}

.btn--secondary {
    background-color: var(--color-secondary);
    color: #ffffff;
}

.btn--secondary:hover {
    background-color: var(--color-secondary-hover);
}

/* ===========================================
   LANDING PAGE
   =========================================== */
.landing {
    display: flex;
    gap: 40px;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.landing__circle {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    text-decoration: none;
    transition: transform 0.2s ease;
}

.landing__circle:hover {
    transform: scale(1.05);
}

.landing__circle:active {
    transform: scale(0.97);
}

.landing__img {
    width: 160px;
    height: 160px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid var(--color-border);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.landing__circle:hover .landing__img {
    border-color: var(--color-primary);
    box-shadow: 0 12px 40px rgba(37, 99, 235, 0.2);
}

.landing__label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    letter-spacing: 0.5px;
}

/* ===========================================
   PHONE SIZE (max 480px)
   =========================================== */
@media (max-width: 480px) {
    body {
        padding: 12px;
        align-items: flex-start;
        padding-top: 40px;
    }

    .wrapper {
        max-width: 100%;
    }

    .logo-banner {
        padding: 6px 16px;
        border-radius: 12px 12px 0 0;
    }

    .logo-banner__img {
        max-width: 80px;
    }

    .card {
        padding: 32px 20px 24px;
        border-radius: 0 0 12px 12px;
    }

    .card__avatar-img {
        width: 100px;
        height: 100px;
    }

    .card__name {
        font-size: 1.3rem;
    }

    .card__position {
        font-size: 0.9rem;
    }

    .card__company {
        font-size: 0.8rem;
    }

    .card__actions {
        flex-direction: column;
        gap: 10px;
    }

    .btn {
        padding: 14px 20px;
        font-size: 0.9rem;
    }

    .card__qr-img {
        width: 100px;
        height: 100px;
    }

    .card__qr {
        margin-top: 24px;
        padding-top: 20px;
    }

    .card__contact-text {
        font-size: 0.85rem;
    }

    .landing {
        gap: 30px;
    }

    .landing__img {
        width: 120px;
        height: 120px;
    }

    .landing__label {
        font-size: 1rem;
    }
}

/* ===========================================
   LARGE SCREEN (min 1024px)
   =========================================== */
@media (min-width: 1024px) {
    .wrapper {
        max-width: 480px;
    }

    .logo-banner {
        padding: 10px 24px;
    }

    .logo-banner__img {
        max-width: 120px;
    }

    .card {
        padding: 50px 44px 40px;
    }

    .card__avatar-img {
        width: 140px;
        height: 140px;
    }

    .card__name {
        font-size: 1.75rem;
    }

    .card__position {
        font-size: 1.05rem;
    }

    .card__qr-img {
        width: 140px;
        height: 140px;
    }

    .card__qr {
        margin-top: 32px;
        padding-top: 28px;
    }

    .card__company {
        font-size: 0.95rem;
    }

    .landing {
        gap: 60px;
    }

    .landing__img {
        width: 200px;
        height: 200px;
    }

    .landing__label {
        font-size: 1.2rem;
    }
}