/* --- FINAL STYLES FOR HPCL OFFER --- */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');

/* Color Palette */
:root {
    --hp-red: #e4002b;
    --hp-blue: #0033a0;
    --background-color: #f0f2f5;
    --card-background: #ffffff;
    --text-color: #1d2a4a;
    --label-color: #5c677d;
    --border-color: #dbe1ec;
    --success-color: #28a745;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--background-color);
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

/* Main Container Styles */
.main-container {
    width: 100%;
    max-width: 550px;
    background-color: var(--card-background);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 51, 160, 0.1);
    border: 1px solid #fff;
    overflow: hidden;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Header Styles */
.header {
    background-color: #ffffff;
    padding: 25px 30px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.header-logo {
    height: 60px;
    max-width: 220px;
    width: auto;
    margin-bottom: 15px;
}

.header h1 {
    color: var(--hp-blue);
    font-size: 2.2rem;
    font-weight: 700;
}

/* Form Styles */
.main-form {
    padding: 30px 40px 40px;
}
.form-group { margin-bottom: 22px; position: relative; }
.form-group label {
    display: block; font-weight: 600; color: var(--label-color);
    margin-bottom: 8px; font-size: 0.9rem;
}
.input-wrapper { position: relative; }
.input-wrapper svg {
    position: absolute; top: 50%; left: 15px;
    transform: translateY(-50%); width: 20px; height: 20px;
    color: var(--border-color); transition: color 0.3s;
}
.form-group input:focus + svg { color: var(--hp-blue); }
.form-group input[type="text"],
.form-group input[type="tel"],
.form-group input[type="number"] {
    width: 100%; padding: 15px 15px 15px 50px;
    border: 2px solid var(--border-color); border-radius: 10px;
    font-size: 1rem; font-family: 'Poppins', sans-serif;
    transition: border-color 0.3s, box-shadow 0.3s;
}
.form-group input:focus {
    outline: none; border-color: var(--hp-blue);
    box-shadow: 0 0 0 4px rgba(0, 51, 160, 0.1);
}
.radio-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 12px; }
.radio-container label {
    display: block; background: #f8faff; border: 2px solid var(--border-color);
    border-radius: 10px; padding: 14px; text-align: center; cursor: pointer;
    transition: all 0.3s ease; font-weight: 500;
}
.radio-container input[type="radio"] { display: none; }
.radio-container input[type="radio"]:checked + label {
    background-color: var(--hp-blue); color: white; border-color: var(--hp-blue);
    font-weight: 600; box-shadow: 0 4px 10px rgba(0, 51, 160, 0.2); transform: translateY(-2px);
}
.file-upload-wrapper {
    border: 2px dashed var(--border-color); border-radius: 10px; padding: 25px;
    text-align: center; transition: all 0.3s; background-color: #fafbff;
}
.file-upload-wrapper:hover { border-color: var(--hp-blue); background-color: #f5f8ff; }
.file-upload-wrapper label {
    font-weight: 600; color: var(--hp-blue); cursor: pointer; display: flex;
    justify-content: center; align-items: center; gap: 10px; font-size: 1rem;
}
.file-upload-wrapper input[type="file"] { display: none; }
#fileName { margin-top: 15px; font-style: italic; color: var(--success-color); font-weight: 500; }
.submit-btn {
    width: 100%; padding: 18px;
    background: var(--hp-red);
    color: white; border: none; border-radius: 10px; font-size: 1.2rem; font-weight: 700;
    cursor: pointer; transition: all 0.3s; letter-spacing: 0.5px;
    box-shadow: 0 5px 15px rgba(228, 0, 43, 0.3);
}
.submit-btn:hover { transform: translateY(-3px); box-shadow: 0 8px 20px rgba(228, 0, 43, 0.4); }
.submit-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}


/* Thank You Page Styles */
.thank-you-container { text-align: center; }
.thank-you-content { padding: 40px 30px; }
.success-icon {
    width: 80px; height: 80px; margin: 0 auto 25px; background-color: var(--success-color);
    border-radius: 50%; display: flex; align-items: center; justify-content: center;
    animation: popIn 0.5s ease-out 0.2s backwards;
}
@keyframes popIn { from { opacity: 0; transform: scale(0.5); } to { opacity: 1; transform: scale(1); } }
.success-icon svg { color: white; width: 40px; height: 40px; }
.thank-you-content h1 { font-size: 2.2rem; color: var(--text-color); font-weight: 700; margin-bottom: 15px; }
.thank-you-content p { color: var(--label-color); font-size: 1.1rem; line-height: 1.6; }


/* Loader Styles */
.loader-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.8);
    display: none; /* Hidden by default */
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.loader-spinner {
    width: 60px;
    height: 60px;
    border: 6px solid var(--border-color);
    border-top-color: var(--hp-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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