/* CSS Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Company Colors */
    --navy-blue: #1e2d47;
    --teal-green: #00d4aa;
    --light-gray: #f8f9fa;
    --medium-gray: #6c757d;
    --dark-gray: #343a40;
    --white: #ffffff;
    --error-red: #dc3545;
    --success-green: #28a745;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-2xl: 32px;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;

    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 16px;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* Base Typography */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--dark-gray);
    background-color: var(--light-gray);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container */
.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* Header */
.header {
    background: var(--white);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

.logo {
    height: 60px;
    width: auto;
    display: block;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .logo {
        height: 80px;
    }
}

/* Main Content */
.main {
    padding-bottom: var(--spacing-xl);
}

/* Hero Section */
.hero {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.hero-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--navy-blue);
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--medium-gray);
    font-weight: 400;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-2xl);
    }
}

/* Form Section */
.form-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
    .form-section {
        padding: var(--spacing-xl);
    }
}

/* Form Styles */
.form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* Honeypot Fields (Hidden from humans, visible to bots) */
.honeypot-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(1px, 1px, 1px, 1px) !important;
    white-space: nowrap !important;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group.mt-2 {
    margin-top: var(--spacing-sm);
}

.form-label {
    font-weight: 600;
    color: var(--navy-blue);
    font-size: var(--font-size-base);
}

.required {
    color: var(--error-red);
}

.form-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid #e9ecef;
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: all 0.2s ease;
    background: var(--white);
    min-height: 48px;
}

.form-input:focus {
    outline: none;
    border-color: var(--teal-green);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

.form-input:invalid:not(:focus):not(:placeholder-shown) {
    border-color: var(--error-red);
}

.form-hint {
    font-size: var(--font-size-sm);
    color: var(--medium-gray);
    font-style: italic;
}

/* Error Messages */
.error-message {
    font-size: var(--font-size-sm);
    color: var(--error-red);
    font-weight: 500;
    min-height: 20px;
    display: flex;
    align-items: center;
}

.error-message:empty {
    display: none;
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-weight: 400;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: background-color 0.2s ease;
    min-height: 44px;
}

.checkbox-label:hover {
    background-color: rgba(0, 212, 170, 0.05);
}

.checkbox-input {
    appearance: none;
    width: 0;
    height: 0;
    position: absolute;
}

.checkbox-custom {
    width: 20px;
    height: 20px;
    border: 2px solid #e9ecef;
    border-radius: 4px;
    position: relative;
    flex-shrink: 0;
    margin-top: 2px;
    transition: all 0.2s ease;
}

.checkbox-input:checked + .checkbox-custom {
    background-color: var(--teal-green);
    border-color: var(--teal-green);
}

.checkbox-input:checked + .checkbox-custom::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 12px;
}

.checkbox-input:focus + .checkbox-custom {
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

/* Consent Label */
.consent-label {
    padding: var(--spacing-md);
    border: 2px solid #e9ecef;
    border-radius: var(--radius-sm);
    background: #f8f9fa;
}

.consent-text {
    line-height: 1.5;
}

.privacy-link {
    color: var(--teal-green);
    text-decoration: none;
    font-weight: 500;
}

.privacy-link:hover {
    text-decoration: underline;
}

/* File Input */
.file-input-wrapper {
    position: relative;
}

.file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.file-input-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px dashed #e9ecef;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
    background: var(--white);
    min-height: 48px;
}

.file-input-label:hover {
    border-color: var(--teal-green);
    background: rgba(0, 212, 170, 0.02);
}

.file-input:focus + .file-input-label {
    border-color: var(--teal-green);
    box-shadow: 0 0 0 3px rgba(0, 212, 170, 0.1);
}

.file-icon {
    font-size: var(--font-size-lg);
}

.file-text {
    color: var(--medium-gray);
    font-size: var(--font-size-sm);
}

.file-info {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--medium-gray);
}

/* Address Suggestions */
.address-suggestions {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border: 1px solid #e9ecef;
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    max-height: 200px;
    overflow-y: auto;
    z-index: 10;
    display: none;
}

.address-suggestions.show {
    display: block;
}

.address-suggestion {
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    border-bottom: 1px solid #f1f3f4;
    transition: background-color 0.2s ease;
}

.address-suggestion:hover {
    background-color: rgba(0, 212, 170, 0.05);
}

.address-suggestion:last-child {
    border-bottom: none;
}

/* Submit Button */
.btn-submit {
    background: var(--teal-green);
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-lg);
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: 56px;
    position: relative;
    overflow: hidden;
}

.btn-submit:hover:not(:disabled) {
    background: #00c299;
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-submit:active {
    transform: translateY(0);
}

.btn-submit:disabled {
    background: var(--medium-gray);
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-text {
    transition: opacity 0.2s ease;
}

.loading-spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: none;
}

.btn-submit.loading .btn-text {
    opacity: 0;
}

.btn-submit.loading .loading-spinner {
    display: block;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    animation: fadeIn 0.3s ease;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm);
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 400px;
    animation: slideIn 0.3s ease;
    overflow: hidden;
}

.modal-header {
    padding: var(--spacing-lg);
    text-align: center;
    border-bottom: 1px solid #e9ecef;
}

.success-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-sm);
    display: block;
}

.modal-header h2 {
    font-size: var(--font-size-xl);
    color: var(--navy-blue);
    margin: 0;
}

.modal-body {
    padding: var(--spacing-lg);
    text-align: center;
}

.modal-body p {
    color: var(--medium-gray);
    margin: 0;
}

.modal-footer {
    padding: var(--spacing-lg);
    text-align: center;
}

.btn-modal {
    background: var(--teal-green);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
    min-width: 120px;
}

.btn-modal:hover {
    background: #00c299;
}

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

@keyframes slideIn {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

/* International Tel Input Customization */
.iti {
    width: 100% !important;
}

.iti__country-list {
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-md);
    border: 1px solid #e9ecef;
}

.iti__selected-flag {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

/* Responsive Design */
@media (max-width: 767px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .form-section {
        padding: var(--spacing-md);
        margin: 0 var(--spacing-xs);
    }

    .hero-title {
        font-size: var(--font-size-lg);
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .checkbox-group {
        gap: var(--spacing-xs);
    }

    .modal-content {
        margin: var(--spacing-sm);
    }
}

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

/* Focus styles for keyboard navigation */
button:focus-visible,
input:focus-visible,
.checkbox-input:focus-visible + .checkbox-custom,
.file-input:focus-visible + .file-input-label {
    outline: 2px solid var(--teal-green);
    outline-offset: 2px;
}

/* Thanks Page Styles */
.thanks-page {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    box-shadow: var(--shadow-md);
    text-align: center;
    animation: slideInUp 0.5s ease-out;
}

.thanks-content h1 {
    font-size: var(--font-size-2xl);
    color: var(--navy-blue);
    margin: var(--spacing-lg) 0;
}

.thanks-content p {
    font-size: var(--font-size-lg);
    color: var(--medium-gray);
    margin-bottom: var(--spacing-lg);
}

.success-icon-large {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
}

.thanks-info {
    background: var(--light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
    text-align: left;
}

.thanks-info p {
    color: var(--navy-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.thanks-info ul {
    list-style: none;
    padding: 0;
}

.thanks-info li {
    padding: var(--spacing-xs) 0;
    color: var(--dark-gray);
}

.thanks-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.btn-whatsapp {
    background: #25d366;
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    text-decoration: none;
    min-height: 48px;
}

.btn-whatsapp:hover {
    background: #20ba5a;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.whatsapp-icon {
    font-size: 1.2em;
}

.btn-back {
    background: var(--teal-green);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
    min-height: 48px;
}

.btn-back:hover {
    background: #00c299;
}

@media (min-width: 768px) {
    .thanks-actions {
        flex-direction: row;
        justify-content: center;
    }
}

/* Error Modal Styles */
.error-modal .modal-content {
    max-width: 500px;
    text-align: center;
}

.error-icon-large {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    display: block;
}

.error-modal .modal-header h2 {
    color: var(--error-red);
    margin: var(--spacing-md) 0;
}

.error-modal .modal-body {
    text-align: left;
    padding: var(--spacing-lg) 0;
}

.error-modal .modal-body p {
    margin-bottom: var(--spacing-sm);
    color: var(--dark-gray);
}

.error-info {
    background: var(--light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    border-left: 4px solid var(--error-red);
}

.error-info p {
    color: var(--navy-blue);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.error-info ul {
    list-style: none;
    padding: 0;
}

.error-info li {
    padding: var(--spacing-xs) 0;
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
}

.modal-footer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.btn-whatsapp-error {
    background: #25d366;
    color: var(--white);
    border: none;
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    min-height: 48px;
}

.btn-whatsapp-error:hover {
    background: #20ba5a;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-retry {
    background: var(--teal-green);
    color: var(--white);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-base);
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease;
    min-height: 48px;
}

.btn-retry:hover {
    background: #00c299;
}

@media (min-width: 768px) {
    .modal-footer {
        flex-direction: row;
        justify-content: center;
    }
}

/* Error Toast Styles */
.error-toast {
    position: fixed;
    top: var(--spacing-lg);
    right: var(--spacing-lg);
    z-index: 1001;
    animation: slideInRight 0.3s ease-out;
}

.error-content {
    background: var(--error-red);
    color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    max-width: 400px;
}

.error-icon {
    font-size: var(--font-size-lg);
    flex-shrink: 0;
}

.error-text {
    flex: 1;
}

.error-close {
    background: none;
    border: none;
    color: var(--white);
    font-size: var(--font-size-lg);
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.error-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Responsive Thanks Page */
@media (max-width: 767px) {
    .thanks-page {
        margin: 0 var(--spacing-xs);
        padding: var(--spacing-lg);
    }

    .thanks-content h1 {
        font-size: var(--font-size-xl);
    }

    .success-icon-large {
        font-size: 3rem;
    }

    .error-toast {
        top: var(--spacing-sm);
        right: var(--spacing-sm);
        left: var(--spacing-sm);
    }

    .error-content {
        max-width: none;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .form-input {
        border-width: 2px;
    }

    .btn-submit {
        border: 2px solid var(--navy-blue);
    }
}