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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    overflow-x: hidden;
}

.landing-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #484848 0%, #000000 50%, #2b2b2b 100%);
    position: relative;
    overflow: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Header */
.header {
    padding: 30px 0;
    position: relative;
    z-index: 10;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.logo-text {
    color: white;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 1px;
}

/* Main Content */
.main-content {
    position: relative;
    z-index: 5;
    padding: 0;
}

.content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

/* Form Section */
.info-box {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border-radius: 30px;
    padding: 50px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.main-title {
    color: white;
    font-size: 24px;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 30px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.features {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.2);
    padding: 12px 20px;
    border-radius: 15px;
    color: white;
    font-size: 15px;
    font-weight: 500;
}

.check-icon {
    width: 24px;
    height: 24px;
    background: rgba(76, 175, 80, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    flex-shrink: 0;
}

/* Form */
.register-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
}

.form-group {
    width: 100%;
}

.form-input {
    width: 100%;
    padding: 18px 24px;
    border: none;
    border-radius: 15px;
    font-size: 16px;
    background: white;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
}

.form-input:focus {
    outline: none;
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

.form-input::placeholder {
    color: #999;
}

.submit-btn {
    width: 100%;
    padding: 18px 24px;
    background: linear-gradient(135deg, #00b4db 0%, #0083b0 100%);
    color: white;
    border: none;
    border-radius: 15px;
    font-size: 17px;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s;
}

.submit-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.3);
}

.submit-btn:active {
    transform: translateY(-1px);
}

.disclaimer {
    color: white;
    font-size: 13px;
    line-height: 1.6;
    opacity: 0.9;
}

.disclaimer strong {
    font-weight: 700;
}

/* Hero Section */
.hero-section {
    position: relative;
    padding: 40px;
}

.hero-title {
    color: #FFD700;
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 60px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    line-height: 1.3;
    letter-spacing: 2px;
}

.hero-images {
    position: relative;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-images img {
    width: 100%;
    object-fit: cover;
    position: absolute;
    z-index: 99;
}


.app-header {
    background: white;
    padding: 15px;
    border-radius: 15px;
    text-align: center;
    font-weight: 600;
    color: #0083b0;
}

.app-balance {
    background: white;
    padding: 20px;
    border-radius: 15px;
    text-align: center;
}

.balance-label {
    font-size: 12px;
    color: #666;
    margin-bottom: 5px;
}

.balance-amount {
    font-size: 24px;
    font-weight: 700;
    color: #0083b0;
}

.app-cards {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.app-card-item {
    flex: 1;
    min-width: 80px;
    background: white;
    padding: 15px;
    border-radius: 12px;
    text-align: center;
    font-size: 11px;
    color: #666;
}

.people-group {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.person {
    position: absolute;
    border-radius: 20px;
    backdrop-filter: blur(10px);
    animation: floatPerson 4s ease-in-out infinite;
    background-size: cover;
    background-position: center;
}

.person-1 {
    width: 180px;
    height: 200px;
    top: 10%;
    left: -10%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
    animation-delay: 0s;
}

.person-2 {
    width: 200px;
    height: 220px;
    bottom: 15%;
    left: 5%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(255, 255, 255, 0.1));
    animation-delay: 1s;
}

.person-3 {
    width: 160px;
    height: 180px;
    top: 5%;
    right: -5%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.1));
    animation-delay: 2s;
}

.floating-card {
    position: absolute;
    top: 20%;
    right: 10%;
    width: 100px;
    height: 60px;
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    animation: rotate 6s linear infinite;
}

.floating-gift {
    position: absolute;
    bottom: 10%;
    right: 15%;
    font-size: 80px;
    animation: bounce 2s ease-in-out infinite;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.2));
}

/* Background Circles */
.bg-circles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
}

.circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.15;
    animation: pulse 4s ease-in-out infinite;
}

.circle-1 {
    width: 400px;
    height: 400px;
    background: white;
    top: 10%;
    left: 5%;
    animation-delay: 0s;
}

.circle-2 {
    width: 600px;
    height: 600px;
    background: rgba(255, 255, 255, 0.5);
    bottom: -10%;
    right: -10%;
    animation-delay: 1s;
}

.circle-3 {
    width: 300px;
    height: 300px;
    background: white;
    top: 50%;
    left: 40%;
    animation-delay: 2s;
}

/* Animations */
@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes floatPerson {

    0%,
    100% {
        transform: translateY(0px) scale(1);
    }

    50% {
        transform: translateY(-15px) scale(1.02);
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg) translateY(0);
    }

    50% {
        transform: rotate(180deg) translateY(-10px);
    }

    100% {
        transform: rotate(360deg) translateY(0);
    }
}

@keyframes bounce {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-30px);
    }
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
        opacity: 0.15;
    }

    50% {
        transform: scale(1.1);
        opacity: 0.25;
    }
}

/* Tablet Responsive */
@media (max-width: 1024px) {
    .content-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .hero-title {
        font-size: 40px;
    }

    .hero-images {
        height: 400px;
    }

    .phone-mockup {
        width: 240px;
        height: 480px;
    }

    .person {
        opacity: 0.7;
    }

    .person-1,
    .person-2,
    .person-3 {
        width: 140px;
        height: 160px;
    }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .header {
        padding: 20px 0;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }

    .logo-text {
        font-size: 16px;
    }

    .main-content {
        padding: 30px 0;
    }

    .info-box {
        padding: 30px 25px;
        border-radius: 20px;
    }

    .main-title {
        font-size: 20px;
        line-height: 1.4;
    }

    .feature-item {
        padding: 10px 15px;
        font-size: 14px;
    }

    .check-icon {
        width: 20px;
        height: 20px;
        font-size: 14px;
    }

    .form-input {
        padding: 15px 20px;
        font-size: 15px;
    }

    .submit-btn {
        padding: 15px 20px;
        font-size: 16px;
    }

    .disclaimer {
        font-size: 12px;
    }

    .hero-section {
        padding: 20px 0;
    }

    .hero-title {
        font-size: 28px;
        margin-bottom: 40px;
        letter-spacing: 1px;
    }

    .hero-images {
        height: 350px;
    }

    .phone-mockup {
        width: 200px;
        height: 400px;
        border-radius: 30px;
        padding: 12px;
    }

    .phone-screen {
        border-radius: 20px;
    }

    .phone-content {
        padding: 15px;
        gap: 10px;
    }

    .app-header {
        padding: 12px;
        font-size: 13px;
    }

    .app-balance {
        padding: 15px;
    }

    .balance-amount {
        font-size: 20px;
    }

    .person {
        opacity: 0.5;
    }

    .person-1 {
        width: 100px;
        height: 120px;
        left: -15%;
    }

    .person-2 {
        width: 120px;
        height: 140px;
        left: 0;
    }

    .person-3 {
        width: 90px;
        height: 110px;
        right: -10%;
    }

    .floating-card {
        width: 70px;
        height: 45px;
        top: 15%;
        right: 5%;
    }

    .floating-gift {
        font-size: 50px;
        bottom: 15%;
        right: 10%;
    }

    .circle-1 {
        width: 250px;
        height: 250px;
    }

    .circle-2 {
        width: 400px;
        height: 400px;
    }

    .circle-3 {
        width: 200px;
        height: 200px;
    }
}

/* Small Mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .info-box {
        padding: 25px 20px;
    }

    .main-title {
        font-size: 18px;
    }

    .hero-title {
        font-size: 24px;
        line-height: 1.2;
    }

    .phone-mockup {
        width: 180px;
        height: 360px;
    }

    .features {
        gap: 12px;
        margin-bottom: 30px;
    }

    .register-form {
        gap: 15px;
    }

    .person-1,
    .person-2,
    .person-3 {
        display: none;
    }

    .floating-gift {
        font-size: 40px;
    }
}

/* Very Small Mobile */
@media (max-width: 360px) {
    .main-title {
        font-size: 16px;
    }

    .hero-title {
        font-size: 20px;
    }

    .form-input {
        padding: 12px 16px;
        font-size: 14px;
    }

    .submit-btn {
        padding: 12px 16px;
        font-size: 15px;
    }

    .phone-mockup {
        width: 160px;
        height: 320px;
    }

    .floating-card,
    .floating-gift {
        display: none;
    }
}


.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-loader {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.spinner {
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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