/* ============================================
   PROFILE (THMSCMPG) PROJECT-SPECIFIC STYLES
   ============================================ */

.page-header {
    background: var(--dark-muted);
    color: white;
    padding: 0;
    margin-top: 18px !important;
    margin-bottom: 20px;
    border-bottom: 3px solid var(--primary);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    text-align: center;
}

.page-header .container {
    padding-top: 0;
    padding-bottom: 0;
}

.page-header h1 {
    margin: 0;
    margin-top: 10px;
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: white;
}

/* ============================================
   HERO OVERRIDE — White card style
   The shared .hero is a dark gradient banner.
   Profile's .hero is white with a bottom border —
   a completely different visual treatment.
   ============================================ */
.hero {
    background: white;
    padding: 80px 0;
    text-align: center;
    border-bottom: 1px solid var(--border);
    border-radius: 0;
    box-shadow: none;
    margin-bottom: 0;
    color: var(--text);
}

.hero h1 {
    font-size: 3rem;
    color: var(--dark);
    margin: 0 0 16px 0;
    letter-spacing: -0.025em;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto 32px;
}

/* ============================================
   PROFILE PICTURE
   Circular avatar with emerald border.
   ============================================ */
.profile-pic {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 4px solid var(--primary);
    margin-bottom: 20px;
    object-fit: cover;
}

/* ============================================
   SECTION TITLE — Left-border accent heading
   ============================================ */
.section-title {
    margin: 60px 0 30px;
    font-size: 1.8rem;
    color: var(--dark);
    border-left: 4px solid var(--primary);
    padding-left: 15px;
}

/* ============================================
   PROJECT GRID & CARDS
   Profile uses 320px minmax, matching CircuitNotes.
   ============================================ */
.project-grid,
.demo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 80px;
}

.project-card,
.category-card {
    background: white;
    padding: 32px;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.project-card:hover,
.category-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px -10px rgba(0,0,0,0.1);
    border-color: var(--primary);
}

/* ============================================
   TAGS — Green pill badges
   ============================================ */
.tag {
    background: #ecfdf5;
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
}

/* ============================================
   CONTENT BOXES — Profile palette
   Matches CircuitNotes palette for consistency
   across the site when viewed together.
   ============================================ */
.theory-box {
    background: #e8f4f8;
    padding: 20px;
    border-left: 4px solid var(--info);
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}

.math-box,
.formula {
    background: #fef5e7;
    padding: 20px;
    border-left: 4px solid var(--accent);
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
    font-family: 'Courier New', monospace;
}

.materials-box,
.tips-box {
    background: #d5f4e6;
    padding: 20px;
    border-left: 4px solid var(--primary);
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}

.warning-box,
.warning {
    background: #ffe6e6;
    padding: 20px;
    border-left: 4px solid var(--warning);
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}


/* ============================================
   BTN-LINK — Navigation link cards with arrow
   ============================================ */
.btn-link {
    text-decoration: none;
    padding: 12px 16px;
    background: var(--light);
    border-radius: 8px;
    color: var(--text);
    font-weight: 500;
    transition: all 0.2s;
    border: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.btn-link:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: white;
}

.btn-link:after {
    content: '→';
}


/* ============================================
   PAGE SELECT DROPDOWN
   ============================================ */
#page-select {
    width: 100%;
    padding: 10px;
    background: var(--dark-muted);
    color: white;
    border-radius: 5px;
    border: 1px solid #475569;
    cursor: pointer;
}

/* ============================================
   LEGACY HEADING CLASSES
   .circuit-title and .circuit-head were used in
   Profile content before the content-area pattern.
   Kept for backward compatibility.
   ============================================ */
h1.circuit-title {
    color: #2c3e50;
    border-bottom: 3px solid var(--primary);
    padding-bottom: 10px;
    text-align: center;
}

h2.circuit-head {
    color: #34495e;
    background: #ecf0f1;
    padding: 10px;
    border-left: 5px solid var(--primary);
}

.content-area {
    margin-bottom: 60px;
}

.content-area h1 {
    color: #2c3e50;
    border-bottom: 3px solid var(--primary);
    padding-bottom: 10px;
    text-align: center;
    margin-top: 40px;
}

.content-area h2 {
    color: #34495e;
    margin-top: 40px;
    background: #ecf0f1;
    padding: 15px;
    border-left: 5px solid var(--primary);
    border-radius: 0 8px 8px 0;
}

.content-area h3 {
    color: #16a085;
    margin-top: 30px;
}

/* ============================================
   CONTACT FORM
   Custom form styling specific to Profile.
   The shared SCSS has .form-input/.form-textarea but
   Profile uses its own .contact-form layout with
   native <input> and <textarea> selectors.
   ============================================ */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-top: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.2s;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.submit-btn {
    background: #10b981;
    color: white;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.3s ease;
    align-self: flex-start;
}

.submit-btn:hover {
    background: #059669;
}

.submit-btn:disabled {
    background: #94a3b8;
    cursor: not-allowed;
}

#formResponse {
    margin-top: 15px;
    padding: 10px;
    border-radius: 6px;
    font-size: 0.9rem;
}

.success-msg {
    background: #dcfce7;
    color: #166534;
    border: 1px solid #bbf7d0;
}

.error-msg {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

/* ============================================
   RESPONSIVE — PROFILE SPECIFIC
   ============================================ */
@media screen and (max-width: 768px) {
    .navbar {
        display: none !important;
    }

    .menu-btn {
        display: block;
    }

    body {
        padding-top: 20px;
    }
}