:root {
    --primary: #dc2626; /* GNU Red */
    --primary-light: #fee2e2;
    --primary-hover: #b91c1c;
    --secondary: #2563eb; /* Blue */
    --secondary-hover: #16a34a; /* Green hover for submit as per Next.js app */
    --slate-900: #0f172a;
    --slate-700: #334155;
    --slate-500: #64748b;
    --slate-400: #94a3b8;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --white: #ffffff;
    --error: #ef4444;
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--slate-900);
    line-height: 1.5;
    background-color: #fff1f2;
    -webkit-font-smoothing: antialiased;
}

/* Background Animation */
.background-container {
    position: fixed;
    inset: 0;
    z-index: -1;
    background: linear-gradient(135deg, #fff1f2 0%, #ffe4e6 30%, #fef2f2 60%, #fff7ed 100%);
    overflow: hidden;
}

.mesh-grid {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    background-image: 
        linear-gradient(rgba(220, 38, 38, 0.5) 1px, transparent 1px),
        linear-gradient(90deg, rgba(220, 38, 38, 0.5) 1px, transparent 1px);
    background-size: 50px 50px;
    mask-image: radial-gradient(circle at center, black, transparent 80%);
}

/* Layout */
.main-content {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem 1rem;
}

.form-card {
    width: 100%;
    max-width: 720px;
    background: var(--white);
    border-radius: 1.5rem;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    border: 1px solid var(--gray-100);
    transform: translateY(20px);
    opacity: 0;
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Header */
.logo-strip {
    background: var(--white);
    padding: 2rem;
    display: flex;
    justify-content: center;
    border-bottom: 1px solid var(--primary-light);
}

.logo {
    height: 110px;
    width: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.form-header {
    background: var(--primary);
    padding: 3rem 2rem;
    color: var(--white);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    background: radial-gradient(circle at top left, white 0%, transparent 60%);
    pointer-events: none;
}

.header-content {
    position: relative;
    z-index: 1;
}

.header-content h1 {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    letter-spacing: -0.03em;
}

.header-content p {
    color: #fecaca;
    max-width: 450px;
    margin: 0 auto;
    font-size: 1rem;
    font-weight: 500;
}

.header-icon {
    width: 2.5rem;
    height: 2.5rem;
    margin-bottom: 1.25rem;
    color: #fecaca;
    stroke-width: 1.5px;
}

/* Form Body */
.form-body {
    padding: 3rem;
}

.grid-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (max-width: 640px) {
    .grid-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin-bottom: 1.5rem;
    }
    .form-body {
        padding: 2rem 1.5rem;
    }
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--slate-700);
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

label i {
    width: 1.1rem;
    height: 1.1rem;
    color: var(--slate-400);
}

/* Inputs & Component Styles */
input, select, textarea {
    width: 100%;
    padding: 0.875rem 1.125rem;
    border-radius: 0.875rem;
    border: 1px solid var(--gray-200);
    background-color: var(--gray-50);
    font-family: inherit;
    font-size: 1rem;
    color: var(--slate-900);
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

input::placeholder, textarea::placeholder {
    color: var(--slate-400);
}

input:focus, select:focus, textarea:focus {
    background-color: var(--white);
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.08);
    transform: translateY(-2px);
}

/* Select Wrapper Customization */
.select-wrapper {
    position: relative;
    display: block;
}

.select-wrapper select {
    appearance: none;
    cursor: pointer;
    padding-right: 2.5rem;
}

.select-wrapper::after {
    content: "";
    position: absolute;
    right: 1.125rem;
    top: 50%;
    transform: translateY(-50%);
    width: 0.8rem;
    height: 0.8rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8' stroke-width='2.5'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5' /%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: center;
    pointer-events: none;
}

select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.phone-input-group {
    display: flex;
    gap: 0.75rem;
}

.phone-code {
    width: 85px;
    text-align: center;
    font-weight: 600;
}

textarea {
    resize: none;
    min-height: 100px;
}

/* Error States */
.field-group.has-error input,
.field-group.has-error select,
.field-group.has-error textarea {
    border-color: var(--error);
    background-color: #fef2f2;
}

.error-msg {
    color: var(--error);
    font-size: 0.75rem;
    font-weight: 500;
    min-height: 1.25rem;
    opacity: 0;
    transform: translateY(-5px);
    transition: all 0.2s ease;
}

.field-group.has-error .error-msg {
    opacity: 1;
    transform: translateY(0);
}

/* Actions */
.form-actions {
    display: flex;
    gap: 1.25rem;
    padding-top: 1.5rem;
}

@media (max-width: 480px) {
    .form-actions {
        flex-direction: column;
    }
}

.btn-clear {
    flex: 1;
    background: var(--gray-100);
    border: none;
    padding: 1.125rem;
    border-radius: 0.875rem;
    font-weight: 700;
    color: var(--slate-700);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
}

.btn-clear:hover:not(:disabled) {
    background: var(--gray-200);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-submit {
    flex: 2;
    background: var(--secondary);
    border: none;
    padding: 1.125rem;
    border-radius: 0.875rem;
    font-weight: 700;
    color: var(--white);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3);
}

.btn-submit:hover:not(:disabled) {
    background: var(--secondary-hover);
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15);
}

.btn-submit:disabled, .btn-clear:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Success Message */
.hidden { display: none !important; }

.success-container {
    text-align: center;
    padding: 4rem 1rem;
    background: rgba(240, 253, 244, 0.5);
    border-radius: 1.5rem;
    border: 2px dashed #bbf7d0;
}

.success-icon-wrapper {
    width: 6rem;
    height: 6rem;
    background: #dcfce7;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    box-shadow: 0 10px 15px -3px rgba(22, 163, 74, 0.1);
}

.success-icon {
    width: 3rem;
    height: 3rem;
    color: #16a34a;
    stroke-width: 2.5px;
}

.success-container h2 {
    font-size: 1.875rem;
    font-weight: 800;
    color: #065f46;
    margin-bottom: 0.75rem;
}

.success-container p {
    color: #047857;
    font-weight: 500;
    max-width: 320px;
    margin: 0 auto;
}

/* Animations */
@keyframes slideUp {
    from { 
        opacity: 0; 
        transform: translateY(30px) scale(0.98); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

.loading-spinner {
    width: 1.25rem;
    height: 1.25rem;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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