:root {
    --bg-gradient: linear-gradient(160deg, #031d3c 0%, #0b2f5a 55%, #144a78 100%);
    --surface: rgba(7, 27, 52, 0.85);
    --surface-strong: rgba(10, 35, 67, 0.92);
    --accent: #3fa8ff;
    --accent-strong: #0d78ff;
    --accent-soft: rgba(63, 168, 255, 0.18);
    --ink-900: #e8f4ff;
    --ink-700: #c3d9f5;
    --ink-muted: rgba(200, 219, 247, 0.75);
    --success: #30d59b;
    --danger: #ff5a6d;
    --border: rgba(101, 150, 210, 0.18);
    --border-strong: rgba(101, 150, 210, 0.28);
    --radius-lg: 22px;
    --radius-md: 18px;
    --radius-sm: 12px;
    --shadow: 0 24px 55px rgba(2, 16, 36, 0.55);
    --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: "Inter", "Segoe UI", "Roboto", sans-serif;
    background: var(--bg-gradient);
    color: var(--ink-900);
    min-height: 100vh;
    display: flex;
    justify-content: center;
}

body::before {
    content: "";
    position: fixed;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(63, 168, 255, 0.28) 0%, transparent 65%);
    top: -200px;
    right: -160px;
    filter: blur(120px);
    opacity: 0.8;
    pointer-events: none;
}

body::after {
    content: "";
    position: fixed;
    width: 360px;
    height: 360px;
    border-radius: 50%;
    background: radial-gradient(circle at center, rgba(48, 213, 155, 0.24) 0%, transparent 70%);
    bottom: -180px;
    left: -130px;
    filter: blur(110px);
    opacity: 0.7;
    pointer-events: none;
}

.mobile-shell {
    width: 100%;
    max-width: 420px;
    min-height: 100vh;
    padding: 2.2rem 1.6rem 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 1.6rem;
}

.brand-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 1.25rem;
    border-radius: var(--radius-md);
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 0.9rem;
}

.brand-token {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    background: linear-gradient(135deg, rgba(63, 168, 255, 0.25), rgba(13, 120, 255, 0.42));
    border: 1px solid rgba(148, 201, 255, 0.35);
    display: grid;
    place-items: center;
    font-weight: 700;
    font-size: 1.2rem;
    color: #fff;
}

.brand-text {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.brand-name {
    font-weight: 600;
    letter-spacing: 0.04em;
}

.brand-meta {
    font-size: 0.78rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    background: rgba(63, 168, 255, 0.18);
    border: 1px solid var(--border-strong);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    white-space: nowrap;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 6px rgba(48, 213, 155, 0.25);
}

.content-card {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.4rem;
    padding: 1.6rem 1.4rem 1.5rem;
    border-radius: var(--radius-lg);
    background: var(--surface-strong);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: "";
    position: absolute;
    top: 0;
    right: -22%;
    bottom: -18%;
    left: -22%;
    background:
        linear-gradient(170deg, rgba(3, 13, 28, 0.72), rgba(3, 13, 28, 0.15)),
        url("../pic/Frame_439.png") center/cover no-repeat;
    opacity: 0.7;
    filter: saturate(1.05);
    pointer-events: none;
}

.content-card > * {
    position: relative;
    z-index: 1;
}

.intro-block {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.intro-eyebrow {
    font-size: 0.78rem;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.intro-block h1 {
    margin: 0;
    font-size: 1.75rem;
    line-height: 1.25;
    letter-spacing: -0.01em;
}

.intro-block p {
    margin: 0;
    color: var(--ink-muted);
    font-size: 0.98rem;
    line-height: 1.55;
}

.metric-band {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.55rem;
}

.metric-chip {
    padding: 0.75rem 0.55rem;
    border-radius: 16px;
    background: rgba(63, 168, 255, 0.12);
    border: 1px solid rgba(63, 168, 255, 0.22);
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
    text-align: center;
}

.chip-label {
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

.chip-value {
    font-weight: 600;
    font-size: 1.05rem;
    color: #fff;
}

.insight-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.insight-item {
    display: flex;
    gap: 0.9rem;
    align-items: center;
    padding: 0.85rem 0.9rem;
    border-radius: var(--radius-sm);
    background: rgba(8, 30, 55, 0.8);
    border: 1px solid rgba(63, 168, 255, 0.16);
}

.insight-item i {
    width: 38px;
    height: 38px;
    border-radius: 12px;
    display: grid;
    place-items: center;
    background: rgba(63, 168, 255, 0.18);
    color: var(--accent);
    font-size: 1rem;
}

.insight-title {
    display: block;
    font-weight: 600;
    font-size: 0.98rem;
}

.insight-copy {
    display: block;
    font-size: 0.85rem;
    color: var(--ink-muted);
}

.qualification-block {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    padding: 1.45rem 1.35rem 1.6rem;
    border-radius: var(--radius-lg);
    background: rgba(6, 24, 48, 0.9);
    border: 1px solid rgba(63, 168, 255, 0.22);
    box-shadow: 0 22px 50px rgba(3, 16, 35, 0.55);
    overflow: hidden;
    backdrop-filter: blur(14px);
}

.qualification-block::before {
    content: "";
    position: absolute;
    inset: -12% -28% -20%;
    background:
        linear-gradient(160deg, rgba(8, 36, 70, 0.9), rgba(8, 36, 70, 0.35)),
        url("../pic/Frame_439.png") 50% 70%/cover no-repeat;
    opacity: 0.8;
    pointer-events: none;
}

.qualification-block > * {
    position: relative;
    z-index: 1;
}

.qualification-header {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    color: #fff;
}

.qualification-step {
    font-size: 0.72rem;
    letter-spacing: 0.24em;
    text-transform: uppercase;
    color: rgba(199, 219, 246, 0.8);
}

.qualification-header h2 {
    margin: 0;
    font-size: 1.32rem;
    line-height: 1.4;
    letter-spacing: -0.01em;
}

.option-group {
    display: grid;
    gap: 0.9rem;
}

.option-card + .option-card {
    margin-top: -0.1rem;
}

.option-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 0.85rem;
    align-items: center;
    padding: 1rem 1.1rem;
    border-radius: var(--radius-md);
    background: rgba(9, 32, 60, 0.88);
    border: 1px solid rgba(63, 168, 255, 0.18);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
    backdrop-filter: blur(12px);
}

.option-card:hover {
    transform: translateY(-1px);
    border-color: rgba(63, 168, 255, 0.4);
    box-shadow: 0 18px 44px rgba(3, 18, 40, 0.55);
}

.option-radio {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid rgba(63, 168, 255, 0.35);
    display: grid;
    place-items: center;
    transition: border-color var(--transition), background var(--transition);
}

.option-radio-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: transparent;
    transform: scale(0.4);
    transition: transform var(--transition), background var(--transition);
}

.option-content {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.option-text {
    font-weight: 600;
    font-size: 0.98rem;
    color: #fff;
}

.option-subtext {
    font-size: 0.82rem;
    color: var(--ink-muted);
}

.option-check svg {
    width: 20px;
    height: 20px;
    color: var(--accent);
    opacity: 0;
    transform: scale(0.85);
    transition: opacity var(--transition), transform var(--transition);
}

.box.active {
    border-color: rgba(63, 168, 255, 0.65);
    background: linear-gradient(135deg, rgba(8, 58, 110, 0.95), rgba(4, 34, 68, 0.9));
    box-shadow: 0 24px 52px rgba(4, 21, 46, 0.65);
}

.box.active .option-radio {
    border-color: transparent;
    background: linear-gradient(135deg, var(--accent-strong), var(--accent));
}

.box.active .option-radio-dot {
    transform: scale(1);
    background: #fff;
}

.box.active .option-check svg {
    opacity: 1;
    transform: scale(1);
}

.error-message {
    display: none;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 90, 109, 0.3);
    background: rgba(255, 90, 109, 0.12);
    color: #ffccd4;
    font-size: 0.85rem;
}

.error-text {
    margin: 0;
    font-weight: 500;
}

.cta-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.7rem;
    border: none;
    border-radius: var(--radius-md);
    padding: 1.2rem 1rem 1.25rem 1rem;
    background: linear-gradient(135deg, var(--accent-strong), #32c2ff);
    color: #fff;
    font-weight: 600;
    font-size: 0.96rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
    margin-top: 0.15rem;
    min-height: 6.5rem;
}

.cta-button .cta-main {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100%;
}

.cta-button .cta-main span {
    white-space: nowrap;
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.01em;
}

.whatsapp-icon {
    width: 34px;
    height: 34px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.18);
    display: grid;
    place-items: center;
    font-size: 1.1rem;
    position: absolute;
    right: 0.6rem;
    bottom: 0.6rem;
    z-index: 2;
}

.cta-sub {
    font-size: 0.88rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.3;
    text-align: center;
}

.cta-shine {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0));
    transform: translateX(-100%);
}

.cta-button:hover .cta-shine {
    transform: translateX(100%);
    transition: transform 0.6s ease;
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 55px rgba(8, 30, 55, 0.65);
}

.cta-button.opacity-50 {
    opacity: 0.65;
    cursor: pointer;
}

.security-row {
    display: flex;
    gap: clamp(0.35rem, 1.1vw, 0.6rem);
    flex-wrap: nowrap;
    justify-content: center;
    align-items: center;
    margin-top: 0.4rem;
}

.security-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 0.75rem;
    border-radius: 999px;
    background: rgba(4, 22, 42, 0.85);
    border: 1px solid rgba(63, 168, 255, 0.16);
    font-size: 0.76rem;
    color: var(--ink-muted);
    white-space: nowrap;
}

@media (max-width: 360px) {
    .security-row {
        gap: 0.4rem;
    }

    .security-item {
        padding: 0.45rem 0.65rem;
        font-size: 0.72rem;
    }
}

@media (max-width: 320px) {
    .security-row {
        gap: 0.3rem;
    }

    .security-item {
        padding: 0.4rem 0.6rem;
        font-size: 0.7rem;
    }
}

.security-icon {
    color: var(--accent);
}

.loading-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.45);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 2;
}

.animate-pulse {
    animation: pulse 1s ease-in-out infinite;
}

.shadow-xl {
    box-shadow: 0 24px 55px rgba(8, 30, 55, 0.7);
}

@keyframes spin {
    from {
        transform: translateY(-50%) rotate(0deg);
    }
    to {
        transform: translateY(-50%) rotate(360deg);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        border-color: rgba(255, 90, 109, 0.3);
    }
    50% {
        opacity: 0.75;
        border-color: rgba(63, 168, 255, 0.4);
    }
}

@media (max-height: 720px) {
    .mobile-shell {
        padding-top: 1.6rem;
        padding-bottom: 1.4rem;
    }

    .content-card {
        padding: 1.3rem 1.2rem;
    }

    .intro-block h1 {
        font-size: 1.6rem;
    }

    .insight-item {
        padding: 0.7rem 0.8rem;
    }

    .cta-button {
        padding: 1.05rem 0.95rem 1.1rem 0.95rem;
        min-height: 6.2rem;
    }


    .cta-button .cta-main span {
        font-size: 1.08rem;
    }

    .whatsapp-icon {
        width: 32px;
        height: 32px;
        font-size: 1.05rem;
        right: 0.55rem;
        bottom: 0.55rem;
    }

    .loading-spinner {
        width: 16px;
        height: 16px;
        left: 0.85rem;
    }

    .cta-sub {
        font-size: 0.84rem;
    }
}

@media (max-width: 360px) {
    .mobile-shell {
        padding: 1.8rem 1.1rem 1.4rem;
    }

    .metric-band {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .cta-button {
        padding: 1.1rem 0.9rem 1.15rem 0.9rem;
        min-height: 6rem;
    }


    .cta-button .cta-main span {
        font-size: 1.05rem;
    }

    .whatsapp-icon {
        width: 30px;
        height: 30px;
        font-size: 1rem;
        right: 0.5rem;
        bottom: 0.5rem;
    }

    .loading-spinner {
        width: 15px;
        height: 15px;
        left: 0.75rem;
    }
}

@media (min-width: 540px) {
    .mobile-shell {
        max-width: 520px;
        padding: 2.8rem 2rem 2.2rem;
    }

    .brand-header {
        padding: 1.3rem 1.6rem;
    }

    .content-card {
        padding: 1.9rem 1.9rem 1.8rem;
        gap: 1.8rem;
    }

    .qualification-block {
        padding: 1.8rem 1.7rem 1.95rem;
    }

    .qualification-header h2 {
        font-size: 1.42rem;
    }

    .option-card {
        padding: 1.1rem 1.25rem;
    }

    .cta-button {
        padding: 1.3rem 1.2rem 1.35rem 1.2rem;
        font-size: 1.02rem;
        min-height: 6.8rem;
    }


    .cta-button .cta-main span {
        font-size: 1.25rem;
    }

    .whatsapp-icon {
        width: 36px;
        height: 36px;
        font-size: 1.15rem;
        right: 0.7rem;
        bottom: 0.7rem;
    }

    .loading-spinner {
        width: 19px;
        height: 19px;
        left: 1.1rem;
    }

    .cta-sub {
        font-size: 0.92rem;
    }

    .intro-block h1 {
        font-size: 1.95rem;
    }

    .intro-block p {
        font-size: 1.04rem;
    }
}

@media (min-width: 768px) {
    .mobile-shell {
        max-width: 640px;
        padding: 3.2rem 2.4rem 2.6rem;
    }

    .brand-header {
        padding: 1.45rem 1.8rem;
        border-radius: 24px;
    }

    .content-card {
        padding: 2.1rem 2.2rem 2rem;
        gap: 2rem;
        border-radius: 26px;
    }

    .qualification-block {
        padding: 2rem 1.9rem 2.1rem;
        border-radius: 26px;
        gap: 1.5rem;
    }

    .option-card {
        grid-template-columns: auto 1fr auto;
        padding: 1.2rem 1.4rem;
    }

    .intro-block {
        gap: 1rem;
    }

    .intro-block h1 {
        font-size: 2.2rem;
    }

    .metric-band {
        max-width: 520px;
        margin: 0 auto;
    }

    .insight-list {
        flex-direction: row;
        gap: 1.2rem;
    }

    .insight-item {
        flex: 1;
    }

    .cta-button {
        padding: 1.4rem 1.3rem 1.45rem 1.3rem;
        min-height: 7rem;
    }


    .cta-button .cta-main span {
        font-size: 1.35rem;
    }

    .whatsapp-icon {
        width: 38px;
        height: 38px;
        font-size: 1.2rem;
        right: 0.8rem;
        bottom: 0.8rem;
    }

    .loading-spinner {
        width: 20px;
        height: 20px;
        left: 1.2rem;
    }

    .cta-sub {
        font-size: 0.95rem;
    }

}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}