:root {
    --bg-dark: #0a0b0d;
    --bg-card: rgba(20, 22, 28, 0.6);
    --primary-gold: #f1c40f;
    --primary-gold-hover: #f39c12;
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-main: #f5f6f8;
    --text-dim: #9ca3af;
    --shadow-premium: 0 20px 40px rgba(0, 0, 0, 0.4);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Background Glowing Orbs */
.glow-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    overflow: hidden;
    pointer-events: none;
}

.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.15;
    animation: pulse 8s infinite alternate ease-in-out;
}

.orb-gold {
    width: 400px;
    height: 400px;
    background: var(--primary-gold);
    top: -100px;
    right: -100px;
}

.orb-purple {
    width: 500px;
    height: 500px;
    background: #8e44ad;
    bottom: -150px;
    left: -150px;
    animation-delay: 2s;
}

@keyframes pulse {
    0% { transform: scale(1) translate(0, 0); opacity: 0.12; }
    100% { transform: scale(1.2) translate(30px, 50px); opacity: 0.22; }
}

/* App Layout */
.app-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Glassmorphism Common Styles */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    margin-bottom: 40px;
    box-shadow: var(--shadow-premium);
}

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

.logo img {
    height: 40px;
    width: auto;
}

.logo span {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, #fff 0%, var(--text-dim) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.btn-back {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-main);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 600;
    padding: 10px 20px;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.03);
    transition: var(--transition);
}

.btn-back:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(-3px);
}

/* Main Grid */
.main-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: start;
    flex-grow: 1;
}

/* Left Column: Info & Calculator */
.info-section {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.hero-content {
    margin-top: 10px;
}

.badge-gold {
    display: inline-block;
    padding: 6px 14px;
    background: rgba(241, 196, 15, 0.1);
    border: 1px solid rgba(241, 196, 15, 0.3);
    color: var(--primary-gold);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 20px;
}

.info-section h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 30%, #e5c158 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.info-section .subtitle {
    font-size: 1.15rem;
    color: var(--text-dim);
    line-height: 1.6;
}

/* Metrics Grid */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.metric-card {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.metric-card:hover {
    transform: translateY(-5px);
    border-color: rgba(241, 196, 15, 0.2);
}

.metric-title {
    font-size: 0.85rem;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-value {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
}

/* Calculator Card */
.calculator-card {
    padding: 30px;
    box-shadow: var(--shadow-premium);
}

.calculator-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.calc-desc {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 25px;
}

.calc-input-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 25px;
}

.calc-input-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-wrapper input {
    width: 100%;
    padding: 15px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 700;
    outline: none;
    transition: var(--transition);
}

.input-wrapper input:focus {
    border-color: var(--primary-gold);
    box-shadow: 0 0 15px rgba(241, 196, 15, 0.15);
}

.input-wrapper .unit {
    position: absolute;
    right: 20px;
    color: var(--text-dim);
    font-weight: 600;
    font-size: 0.95rem;
}

.calc-results {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    color: var(--text-dim);
}

.result-row.total {
    border-top: 1px solid var(--glass-border);
    padding-top: 12px;
    margin-top: 4px;
    font-size: 1.15rem;
    color: var(--text-main);
}

.result-row strong {
    color: var(--text-main);
}

.result-row.total span:last-child {
    font-weight: 800;
}

/* Right Column: Form Card */
.form-card {
    padding: 40px;
    box-shadow: var(--shadow-premium);
}

.form-card h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.form-desc {
    color: var(--text-dim);
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 30px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 22px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-group label i {
    color: var(--primary-gold);
}

.required {
    color: #e74c3c;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="number"] {
    width: 100%;
    padding: 14px 18px;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary-gold);
}

/* Phone Input */
.phone-input-wrapper {
    display: flex;
    background: rgba(0, 0, 0, 0.25);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.phone-input-wrapper:focus-within {
    border-color: var(--primary-gold);
}

.country-code {
    padding: 14px 18px;
    background: rgba(255, 255, 255, 0.03);
    color: var(--text-main);
    font-weight: 700;
    border-right: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
}

.phone-input-wrapper input {
    width: 100%;
    padding: 14px 18px;
    background: transparent;
    border: none;
    color: white;
    font-family: inherit;
    font-size: 0.95rem;
    outline: none;
}

.help-text {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-top: 4px;
}

/* File Upload Box */
.file-upload-box {
    border: 2px dashed var(--glass-border);
    border-radius: 12px;
    padding: 25px;
    text-align: center;
    cursor: pointer;
    background: rgba(0, 0, 0, 0.15);
    transition: var(--transition);
}

.file-upload-box:hover,
.file-upload-box.dragover {
    border-color: var(--primary-gold);
    background: rgba(241, 196, 15, 0.03);
}

.upload-icon {
    font-size: 2rem;
    color: var(--primary-gold);
    margin-bottom: 12px;
}

.upload-text {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.file-info {
    font-size: 0.75rem;
    color: var(--text-dim);
    display: block;
}

.file-upload-box.has-file {
    border-style: solid;
    border-color: #2ecc71;
    background: rgba(46, 204, 113, 0.03);
}

.file-upload-box.has-file .upload-icon {
    color: #2ecc71;
}

/* Checkbox */
.form-checkbox {
    display: flex;
    gap: 12px;
    margin-top: 25px;
    margin-bottom: 30px;
    align-items: flex-start;
}

.form-checkbox input[type="checkbox"] {
    margin-top: 4px;
    accent-color: var(--primary-gold);
    cursor: pointer;
}

.form-checkbox label {
    font-size: 0.82rem;
    color: var(--text-dim);
    line-height: 1.5;
    cursor: pointer;
}

/* Submit Button */
.btn-submit {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-gold-hover) 100%);
    border: none;
    border-radius: 12px;
    color: #000;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 8px 25px rgba(241, 196, 15, 0.2);
    transition: var(--transition);
}

.btn-submit:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(241, 196, 15, 0.3);
}

.btn-submit:active:not(:disabled) {
    transform: translateY(0);
}

.btn-submit:disabled {
    background: var(--text-dim);
    color: #555;
    cursor: not-allowed;
    box-shadow: none;
}

/* Helpers */
.text-gold {
    color: var(--primary-gold);
}

/* Footer */
.footer {
    text-align: center;
    padding: 40px 0 20px;
    color: var(--text-dim);
    font-size: 0.85rem;
    border-top: 1px solid var(--glass-border);
    margin-top: 60px;
}

/* Modal Styling */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-card {
    width: 90%;
    max-width: 500px;
    padding: 40px 30px;
    text-align: center;
    box-shadow: var(--shadow-premium);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.modal-overlay.active .modal-card {
    transform: scale(1);
}

.success-icon {
    width: 80px;
    height: 80px;
    background: rgba(46, 204, 113, 0.15);
    border: 2px solid #2ecc71;
    color: #2ecc71;
    font-size: 2.2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.modal-card h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.modal-card p {
    color: var(--text-dim);
    font-size: 0.95rem;
    line-height: 1.5;
    margin-bottom: 25px;
}

.summary-box {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 12px;
    padding: 20px;
    text-align: left;
    margin-bottom: 25px;
    border: 1px solid var(--glass-border);
}

.summary-line {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    margin-bottom: 10px;
}

.summary-line:last-child {
    margin-bottom: 0;
    border-top: 1px solid var(--glass-border);
    padding-top: 10px;
    margin-top: 10px;
}

.status-badge {
    background: rgba(241, 196, 15, 0.15);
    color: var(--primary-gold);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.78rem;
    font-weight: 700;
}

.modal-note {
    font-size: 0.8rem !important;
    line-height: 1.4;
    margin-bottom: 30px !important;
}

.btn-close {
    width: 100%;
    padding: 14px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: white;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.btn-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
    .main-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 600px) {
    .app-container {
        padding: 15px;
    }
    .header {
        padding: 12px 20px;
        margin-bottom: 25px;
    }
    .logo span {
        font-size: 1.1rem;
    }
    .info-section h1 {
        font-size: 2.2rem;
    }
    .metrics-grid {
        grid-template-columns: 1fr;
    }
    .form-card {
        padding: 25px 20px;
    }
}