body {
    margin: 0;
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    background: #f1f5f9;
    color: #1f2937;
}

.nav-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 56px;
    background: linear-gradient(135deg, #1e5ba8, #0d4687);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-back,
.btn-help {
    background: transparent;
    border: none;
    color: white;
    font-size: 20px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.3s ease;
}

.btn-back:hover,
.btn-help:hover {
    background: rgba(255, 255, 255, 0.1);
}

.btn-back:active,
.btn-help:active {
    background: rgba(255, 255, 255, 0.2);
}

#splashScreen {
    position: fixed;
    inset: 0;
    background: #0259c0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

#splashScreen.splash-hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

#splashScreen img {
    width: 160px;
    max-width: 70%;
    margin-bottom: 30px;
    animation: zoomIn 1s ease;
}

.splash-dots {
    display: flex;
    gap: 8px;
}

.splash-dot {
    width: 10px;
    height: 10px;
    background: #fff;
    border-radius: 50%;
    animation: pulse 1s infinite;
}

.splash-dot:nth-child(2) {
    animation-delay: 0.2s;
}

.splash-dot:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes zoomIn {
    0% {
        transform: scale(0.8);
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.3;
    }
    50% {
        opacity: 1;
    }
}

@keyframes marquee {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-100%);
    }
}

@keyframes scrollTestimoni {
    0% {
        transform: translateY(0);
    }
    100% {
        transform: translateY(-50%);
    }
}

@keyframes spin {
    100% {
        transform: rotate(360deg);
    }
}

.header-image {
    width: 100%;
    display: block;
    border-bottom: 4px solid #0d6efd;
    margin-top: 50px;
}

.hero {
    margin-top: 50px;
    width: 100%;
    position: relative;
    overflow: hidden;
}

.slider-container {
    width: 100%;
    overflow: hidden;
    position: relative;
}

#slider {
    display: flex;
    transition: transform 0.6s ease-in-out;
}

.slide {
    min-width: 100%;
    height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e5ba8, #0d4687);
}

.slide img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.slider-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    padding: 10px 16px;
    cursor: pointer;
    font-size: 18px;
    border-radius: 50%;
    z-index: 10;
    transition: background 0.3s ease;
}

.slider-btn:hover {
    background: rgba(0, 0, 0, 0.7);
}

.slider-btn i {
    font-size: 18px;
    line-height: 1;
}

.slider-btn-prev {
    left: 15px;
}

.slider-btn-next {
    right: 15px;
}

#dots {
    position: absolute;
    bottom: 15px;
    width: 100%;
    text-align: center;
}

.dot {
    height: 10px;
    width: 10px;
    margin: 0 4px;
    display: inline-block;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 50%;
    cursor: pointer;
}

.dot.active {
    background: white;
}

.notice-bar {
    background: linear-gradient(135deg, #295aa6, #1e3f73);
    color: white;
    font-weight: 600;
    padding: 12px 0;
    overflow: hidden;
}

.notice-bar span {
    display: inline-block;
    padding-left: 100%;
    white-space: nowrap;
    animation: marquee 15s linear infinite;
}

.info-card {
    max-width: 620px;
    margin: 30px auto;
    padding: 28px 22px;
    background: linear-gradient(135deg, #f8fbff, #eef4ff);
    border-radius: 16px;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.07);
    text-align: center;
    font-family: 'Segoe UI', Tahoma, sans-serif;
}

.info-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #e9f9ef;
    color: #1f8f4a;
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 14px;
}

.info-badge-dot {
    width: 8px;
    height: 8px;
    background: #2ecc71;
    border-radius: 50%;
    display: inline-block;
}

.info-title {
    font-size: 22px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 10px;
    letter-spacing: -0.3px;
}

.info-description {
    font-size: 14px;
    line-height: 1.5;
    color: #475569;
    max-width: 500px;
    margin: 0 auto;
}

.main-card {
    max-width: 520px;
    margin: 30px auto;
    background: #fff;
    border-radius: 14px;
    padding: 24px 20px;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12);
    border-top: 6px solid #0d6efd;
}

.lander-form-card {
    max-width: 520px;
    margin: 24px auto 32px;
    padding: 36px 32px 40px;
    background: #fff;
    border-radius: 15px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    border-top: 6px solid #007bff;
}

.lander-form-title {
    color: #8b0000;
    text-align: center;
    font-weight: 700;
    font-size: 1.1rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    margin: 0 0 26px;
}

.lander-form-label {
    color: #0f172a;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 8px;
}

.otp-form-heading {
    color: #8b0000;
    text-align: center;
    font-weight: 700;
    font-size: 1.15rem;
    margin: 0 0 18px;
    letter-spacing: 0.02em;
    line-height: 1.35;
}

.otp-form-instruction {
    text-align: center;
    color: #1f2937;
    font-size: 14px;
    line-height: 1.55;
    margin: 0 auto 24px;
    max-width: 420px;
}

.otp-input {
    display: block;
    width: 100%;
    border: 1px solid #7dd3fc;
    border-radius: 12px;
    padding: 15px 16px;
    font-size: 16px;
    text-align: center;
    background: #fff;
    box-shadow: 0 0 0 3px rgba(56, 189, 248, 0.2);
    transition: box-shadow 0.2s ease, border-color 0.2s ease;
}

.otp-input::placeholder {
    color: #9ca3af;
    text-align: center;
}

.otp-input:focus {
    border-color: #38bdf8;
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.28);
    outline: none;
}

.otp-submit-btn {
    border-radius: 8px;
    margin-top: 6px;
}

.page-header {
    color: #b02a37;
    letter-spacing: 1px;
}

.form-label {
    font-size: 14px;
}

.label-wrong {
    font-size: 14px;
    color: #b02a37;
}

.lander-form-card .input-group-custom {
    border-color: #ddd;
    border-radius: 12px;
    min-height: 52px;
    padding: 0 14px;
}

.input-group-custom {
    display: flex;
    align-items: center;
    border: 1px solid #dcdcdc;
    border-radius: 10px;
    padding: 0 12px;
    background: #fff;
}

.input-group-custom img {
    opacity: 0.85;
    margin-right: 8px;
    flex-shrink: 0;
}

.phone-prefix {
    font-size: 15px;
    font-weight: 600;
    color: #0f172a;
    margin-right: 6px;
    flex-shrink: 0;
    user-select: none;
}

.input-group-custom .form-control {
    border: none;
    padding: 14px 0;
    font-size: 14px;
    background: transparent;
}

.input-group-custom .form-control::placeholder {
    color: #9ca3af;
}

.input-icon {
    width: 18px;
}

.input-group-custom .input-icon-fa {
    color: #888;
    font-size: 16px;
    width: 18px;
    text-align: center;
    flex-shrink: 0;
}

.flag-icon {
    width: 26px;
    border-radius: 3px;
}

.input-note {
    margin-top: 8px;
    font-size: 12px;
    color: #0f172a;
}

.lander-form-card .input-note {
    font-size: 12px;
}

.submit-button {
    border-radius: 12px;
    padding: 16px 18px;
    font-weight: 700;
    letter-spacing: 0.04em;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.btn-lander-submit {
    background: #ffc107;
    color: #111;
    border: none;
    margin-top: 4px;
}

.btn-lander-submit:hover {
    background: #ffb300;
    color: #000;
}

.btn-lander-submit:focus {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

#testimoni {
    max-width: 600px;
    margin: 40px auto;
    background: #eef2f7;
    border-radius: 16px;
    padding: 24px 16px;
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    height: 420px;
}

#testimoni-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    animation: scrollTestimoni 50s linear infinite;
}

.testimoni-item {
    background: #fff;
    border-radius: 12px;
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 14px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
}

.testimoni-item i {
    font-size: 40px;
}

.testimoni-name {
    font-weight: 600;
    color: #111827;
    font-size: 15px;
}

.testimoni-status {
    font-size: 13px;
    font-weight: 600;
}

.testimoni-warning {
    border-left: 5px solid #f59e0b;
}

.testimoni-success {
    border-left: 5px solid #16a34a;
}

.testimoni-danger {
    border-left: 5px solid #dc2626;
}

.status-warning {
    color: #f59e0b;
}

.status-success {
    color: #16a34a;
}

.status-danger {
    color: #dc2626;
}

.footer-image {
    width: 100%;
    margin-top: 40px;
    display: block;
    opacity: 0.95;
}

#loader {
    position: fixed;
    inset: 0;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

#loader div {
    width: 40px;
    height: 40px;
    border: 4px solid #e5e7eb;
    border-top: 4px solid #0d6efd;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@media (max-width: 576px) {
    body {
        font-size: 14px;
    }
    .main-card {
        margin: 30px 15px;
    }
    .lander-form-card {
        margin-left: 16px;
        margin-right: 16px;
        padding: 28px 20px 32px;
    }
}