:root {
    --primary-black: #0a0a0a;
    --secondary-gray: #6b7280;
    --light-gray: #f8fafc;
    --pure-white: #ffffff;
    --accent-blue: #3b82f6;
    --accent-indigo: #6366f1;
    --subtle-border: #e5e7eb;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --gradient-primary: linear-gradient(135deg, #3b82f6 0%, #6366f1 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    background: var(--pure-white);
}

/* Hero */
.contact-hero {
    background: var(--gradient-primary);
    padding: 140px 24px 80px;
    text-align: center;
}

.contact-hero-inner {
    max-width: 700px;
    margin: 0 auto;
}

.contact-hero-title {
    font-family: 'Poppins', sans-serif;
    font-size: 52px;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
}

.contact-hero-subtitle {
    font-size: 20px;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.6;
}

/* Section */
.contact-section {
    padding: 80px 24px;
    background: var(--light-gray);
}

.contact-container {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 56px;
}

/* Info Cards */
.contact-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.contact-info-card {
    background: var(--pure-white);
    border-radius: 16px;
    padding: 32px 24px;
    text-align: center;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.contact-info-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
}

.contact-info-icon svg {
    width: 26px;
    height: 26px;
    stroke: #ffffff;
}

.contact-info-title {
    font-family: 'Poppins', sans-serif;
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.contact-info-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Form Wrapper */
.contact-form-wrapper {
    background: var(--pure-white);
    border-radius: 20px;
    padding: 48px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
}

/* Form Layout */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

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

.form-group label {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.required {
    color: #ef4444;
}

.form-group input,
.form-group textarea {
    padding: 14px 16px;
    border: 1.5px solid var(--subtle-border);
    border-radius: 10px;
    font-size: 15px;
    font-family: 'Inter', sans-serif;
    color: var(--text-primary);
    background: var(--pure-white);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    outline: none;
    resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #9ca3af;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

/* Submit Button */
.contact-submit {
    align-self: flex-start;
    padding: 14px 36px;
    background: var(--gradient-primary);
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: opacity 0.2s ease, transform 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.contact-submit:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.contact-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

.submit-spinner {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.spin {
    width: 18px;
    height: 18px;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

/* Error / Success */
.contact-error {
    padding: 14px 16px;
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: 10px;
    color: #dc2626;
    font-size: 14px;
}

.contact-success {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 48px 24px;
    text-align: center;
}

.contact-success svg {
    width: 56px;
    height: 56px;
    stroke: #16a34a;
}

.contact-success p {
    font-size: 18px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Fade-in */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 768px) {
    .contact-hero-title { font-size: 36px; }
    .contact-info { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form-wrapper { padding: 28px 20px; }
}