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

:root {
    --primary: #8b5cf6;
    --primary-dark: #7c3aed;
    --primary-light: #a78bfa;
    --success: #10b981;
    --danger: #ef4444;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--gray-900);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 4rem 2rem;
    color: white;
}

.hero-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

/* Features */
.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: white;
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--gray-800);
}

.feature-card p {
    color: var(--gray-600);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(139, 92, 246, 0.3);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
}

.modal-content {
    position: relative;
    background: white;
    border-radius: 1rem;
    padding: 2rem;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--gray-400);
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.5rem;
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: var(--gray-100);
    color: var(--gray-700);
}

/* Progress Indicator */
.progress-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    padding: 1rem 0;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.progress-circle {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: var(--gray-200);
    color: var(--gray-500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    transition: all 0.3s ease;
}

.progress-step.active .progress-circle {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.4);
}

.progress-step.completed .progress-circle {
    background: var(--success);
    color: white;
}

.progress-step span {
    font-size: 0.75rem;
    color: var(--gray-600);
    font-weight: 500;
}

.progress-line {
    width: 4rem;
    height: 2px;
    background: var(--gray-200);
    margin: 0 0.5rem;
}

/* Steps */
.step {
    display: none;
}

.step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.step-header {
    text-align: center;
    margin-bottom: 2rem;
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.step-header h2 {
    font-size: 1.75rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.step-header p {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

input[type="text"],
input[type="tel"],
input[type="number"] {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--gray-200);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.2s ease;
}

input[type="number"]:not(:placeholder-shown) {
    color: var(--gray-500);
}

input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.1);
}

input:disabled {
    background: var(--gray-50);
    color: var(--gray-600);
    cursor: not-allowed;
}

.input-icon {
    position: relative;
}

.input-icon .icon {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    font-size: 1.25rem;
}

.input-icon input {
    padding-left: 3rem;
}

.error-message {
    display: block;
    color: var(--danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

/* Network Selection */
.network-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.network-btn {
    padding: 1.5rem 1rem;
    border: 2px solid var(--gray-200);
    border-radius: 0.75rem;
    background: white;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.network-btn:hover {
    border-color: var(--primary-light);
    background: var(--gray-50);
}

.network-btn.selected {
    border-color: var(--primary);
    background: rgba(139, 92, 246, 0.05);
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.2);
}

.network-logo {
    width: 70px;
    height: 70px;
}

.network-logo svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.network-btn span {
    font-weight: 600;
    color: var(--gray-700);
}

/* Location */
.location-request {
    text-align: center;
    padding: 2rem 0;
}

.success-alert {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: #ecfdf5;
    border: 1px solid #a7f3d0;
    border-radius: 0.5rem;
    margin-bottom: 1.5rem;
    color: #065f46;
}

.success-alert svg {
    flex-shrink: 0;
    color: #10b981;
}

.success-alert .text-sm {
    font-size: 0.875rem;
    color: #047857;
}

/* Loading Screen */
.loading-screen {
    text-align: center;
    padding: 3rem 1rem;
}

.loader-container h3 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.loader-container p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.circular-loader {
    width: 80px;
    height: 80px;
    border: 6px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 2rem;
}

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

.progress-bar {
    width: 100%;
    height: 1rem;
    background: var(--gray-200);
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: 1rem;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    width: 0%;
    transition: width 0.3s ease;
}

.progress-percentage {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

/* Success Screen */
.success-screen {
    text-align: center;
    padding: 2rem 1rem;
}

.success-icon {
    font-size: 5rem;
    margin-bottom: 1rem;
    animation: scaleIn 0.5s ease;
}

@keyframes scaleIn {
    from {
        transform: scale(0);
    }
    to {
        transform: scale(1);
    }
}

.success-screen h2 {
    font-size: 2rem;
    color: var(--gray-900);
    margin-bottom: 1rem;
}

.success-message {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.success-details {
    background: var(--gray-50);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row span {
    color: var(--gray-600);
}

.detail-row strong {
    color: var(--gray-900);
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 2.5rem;
    }

    .network-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .progress-indicator {
        font-size: 0.875rem;
    }

    .progress-line {
        width: 2rem;
    }

    .modal-content {
        padding: 1.5rem;
    }
}