:root {
            /* Quiet Luxury Palette */
            --primary-blue: #0A2342;
            /* Oxford Blue: Deep, authoritative, institutional */
            --light-blue: #F0F4F8;
            /* Alice Blue: Softer background than stark white */
            --accent-blue: #C5A059;
            /* Muted Gold/Bronze: Premium highlights */
            --secondary-slate: #4A4E69;
            /* Slate: Professional secondary text */

            --text-dark: #121212;
            /* Nearly black for primary text */
            --text-gray: #4A4E69;
            /* Slate gray for body text */
            --white: #FFFFFF;
            --soft-gray: #F9FAFB;
            /* Very subtle off-white */
            --border-light: #E0E0E0;

            /* Shadows for depth */
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 10px 15px -3px rgba(10, 35, 66, 0.08), 0 4px 6px -2px rgba(10, 35, 66, 0.04);
            --shadow-lg: 0 20px 25px -5px rgba(10, 35, 66, 0.1), 0 10px 10px -5px rgba(10, 35, 66, 0.04);
        }

        body {
            font-family: 'Work Sans', sans-serif;
            color: var(--text-dark);
            line-height: 1.7;
            /* Increased for readability/elegance */
            background: var(--white);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            /* Crisper text on Mac */
            -moz-osx-font-smoothing: grayscale;
        }

        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            /* Slightly more opaque for better text contrast */
            backdrop-filter: blur(12px);
            /* Increased blur */
            border-bottom: 1px solid rgba(10, 35, 66, 0.05);
            /* Subtle border */
            z-index: 1000;
            padding: 1.5rem 0;
            /* More expansive padding */
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
            /* Elegant easing */
        }

        nav.scrolled {
            padding: 1rem 0;
            background: rgba(255, 255, 255, 0.98);
            box-shadow: var(--shadow-sm);
        }

        nav .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-family: 'DM Serif Display', serif;
            font-size: 1.75rem;
            color: var(--primary-blue);
            font-weight: 400;
            letter-spacing: -0.02em;
        }

        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        nav a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s ease;
            position: relative;
        }

        nav a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-blue);
            transition: width 0.3s ease;
        }

        nav a:hover::after,
        nav a.active::after {
            width: 100%;
        }

        nav a:hover,
        nav a.active {
            color: var(--primary-blue);
        }

        /* Page Container */
        .page {
            display: none;
            min-height: 100vh;
            padding-top: 80px;
            animation: fadeIn 0.5s ease;
        }

        .page.active {
            display: block;
        }

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

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
        }

        /* Hero Section */
        .hero {
            padding: 8rem 0 6rem;
            /* More breathing room */
            background: linear-gradient(180deg, var(--light-blue) 0%, var(--white) 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(197, 160, 89, 0.03) 0%, transparent 70%);
            /* Bronze tint */
            border-radius: 50%;
            animation: float 25s ease-in-out infinite;
            z-index: 1;
        }

        @keyframes float {

            0%,
            100% {
                transform: translate(0, 0) scale(1);
            }

            50% {
                transform: translate(-30px, 20px) scale(1.05);
            }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
            /* Slightly wider */
        }

        .hero h1 {
            font-family: 'DM Serif Display', serif;
            font-size: 3.5rem;
            line-height: 1.2;
            color: var(--text-dark);
            margin-bottom: 1.5rem;
            font-weight: 400;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--text-gray);
            margin-bottom: 2.5rem;
            font-weight: 300;
        }

        .cta-button {
            display: inline-block;
            background: var(--primary-blue);
            color: var(--white);
            padding: 1.1rem 2.8rem;
            border-radius: 4px;
            /* Slight rounding, not full pill */
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            box-shadow: var(--shadow-md);
            border: 1px solid transparent;
        }

        .cta-button:hover {
            background: #112d52;
            /* Slightly lighter Oxford Blue */
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
            border-color: var(--accent-blue);
            /* Subtle gold border on hover */
        }

        /* Features Section */
        .features {
            padding: 5rem 0;
            background: var(--white);
        }

        .section-title {
            font-family: 'DM Serif Display', serif;
            font-size: 2.5rem;
            text-align: center;
            margin-bottom: 3rem;
            color: var(--text-dark);
            font-weight: 400;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
        }

        .feature-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 12px;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-blue);
            box-shadow: var(--shadow-md);
        }

        .feature-icon {
            font-size: 2.5rem;
            margin-bottom: 1.5rem;
        }

        .feature-card h3 {
            font-size: 1.4rem;
            margin-bottom: 1rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        .feature-card p {
            color: var(--text-gray);
            line-height: 1.7;
        }

        /* How It Works Section */
        .how-it-works {
            padding: 5rem 0;
            background: var(--light-blue);
        }

        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 3rem;
            margin-top: 3rem;
        }

        .step {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 12px;
            position: relative;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .step:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(197, 160, 89, 0.3);
        }

        .step-number {
            position: absolute;
            top: -20px;
            left: 2.5rem;
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
        }

        .step h3 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }

        .step p {
            color: var(--text-gray);
            line-height: 1.7;
        }

        /* Tutors Section */
        .tutors {
            padding: 5rem 0;
            background: var(--white);
        }

        .tutors-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2.5rem;
            margin-top: 3rem;
        }

        .tutor-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 12px;
            text-align: center;
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .tutor-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-blue);
        }

        .tutor-initial {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            font-family: 'DM Serif Display', serif;
            margin: 0 auto 1.5rem;
        }

        .tutor-card h3 {
            font-size: 1.6rem;
            margin-bottom: 0.5rem;
            color: var(--text-dark);
        }

        .tutor-role {
            color: var(--primary-blue);
            font-weight: 500;
            margin-bottom: 1rem;
            font-size: 0.95rem;
        }

        .tutor-card p {
            color: var(--text-gray);
            line-height: 1.7;
            font-size: 0.95rem;
        }

        /* Testimonials Section */
        .testimonials {
            padding: 5rem 0;
            background: var(--soft-gray);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .testimonial-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 12px;
            border: 1px solid var(--border-light);
            border-left: 4px solid var(--accent-blue);
            /* Gold accent */
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

        .testimonial-card:hover {
            transform: translateX(5px);
            box-shadow: var(--shadow-md);
        }

        .stars {
            color: #FFB800;
            font-size: 1.1rem;
            margin-bottom: 1rem;
            letter-spacing: 2px;
        }

        .testimonial-text {
            color: var(--text-dark);
            margin-bottom: 1rem;
            line-height: 1.7;
            font-size: 0.95rem;
        }

        .testimonial-author {
            color: var(--text-gray);
            font-size: 0.9rem;
            font-weight: 500;
        }

        /* About Page */
        .about-hero {
            padding: 4rem 0;
            background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
        }

        .about-hero h1 {
            font-family: 'DM Serif Display', serif;
            font-size: 3rem;
            margin-bottom: 1.5rem;
            color: var(--text-dark);
        }

        .about-hero p {
            font-size: 1.2rem;
            color: var(--text-gray);
            max-width: 800px;
            line-height: 1.8;
        }

        .about-content {
            padding: 5rem 0;
        }

        .about-section {
            margin-bottom: 4rem;
        }

        .about-section h2 {
            font-family: 'DM Serif Display', serif;
            font-size: 2rem;
            margin-bottom: 1.5rem;
            color: var(--primary-blue);
        }

        .about-section p {
            font-size: 1.05rem;
            color: var(--text-gray);
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .differentiators {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }

        .differentiator {
            background: var(--soft-gray);
            padding: 2rem;
            border-radius: 12px;
            border-left: 4px solid var(--primary-blue);
        }

        .differentiator h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }

        .differentiator p {
            font-size: 1rem;
            color: var(--text-gray);
            line-height: 1.7;
        }

        /* Services Page */
        .services-hero {
            padding: 4rem 0;
            background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
        }

        .services-hero h1 {
            font-family: 'DM Serif Display', serif;
            font-size: 3rem;
            margin-bottom: 1.5rem;
            color: var(--text-dark);
        }

        .services-content {
            padding: 5rem 0;
        }

        .service-card-large {
            background: var(--white);
            padding: 3rem;
            border-radius: 12px;
            margin-bottom: 2.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .service-card-large:hover {
            border-color: var(--accent-blue);
            box-shadow: var(--shadow-md);
        }

        .service-card-large h2 {
            font-family: 'DM Serif Display', serif;
            font-size: 2rem;
            margin-bottom: 1rem;
            color: var(--primary-blue);
        }

        .service-card-large p {
            font-size: 1.05rem;
            color: var(--text-gray);
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .service-features {
            list-style: none;
            margin-top: 1.5rem;
        }

        .service-features li {
            padding: 0.8rem 0;
            padding-left: 2rem;
            position: relative;
            color: var(--text-gray);
            font-size: 1rem;
        }

        .service-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary-blue);
            font-weight: 700;
            font-size: 1.2rem;
        }

        .pricing-highlight {
            background: var(--light-blue);
            padding: 2rem;
            border-radius: 12px;
            text-align: center;
            margin-top: 3rem;
        }

        .pricing-highlight h3 {
            font-family: 'DM Serif Display', serif;
            font-size: 2.5rem;
            color: var(--primary-blue);
            margin-bottom: 0.5rem;
        }

        .pricing-highlight p {
            color: var(--text-gray);
            font-size: 1.1rem;
        }

        /* Terms & Policies Page */
        .terms-hero {
            padding: 4rem 0;
            background: linear-gradient(135deg, var(--light-blue) 0%, var(--white) 100%);
        }

        .terms-hero h1 {
            font-family: 'DM Serif Display', serif;
            font-size: 3rem;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }

        .terms-hero p {
            font-size: 1.1rem;
            color: var(--text-gray);
            max-width: 800px;
        }

        .terms-content {
            padding: 5rem 0;
            background: var(--soft-gray);
        }

        .policy-intro {
            max-width: 860px;
            margin: 0 auto 3rem;
            text-align: center;
        }

        .policy-intro p {
            color: var(--text-gray);
            font-size: 1.1rem;
        }

        .policy-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 0.75rem;
            margin-top: 1.5rem;
        }

        .policy-tag {
            background: var(--white);
            border: 1px solid var(--border-light);
            border-radius: 999px;
            padding: 0.4rem 1rem;
            font-size: 0.9rem;
            color: var(--text-gray);
            box-shadow: 0 10px 30px rgba(0, 102, 204, 0.08);
        }

        .policies-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 2rem;
        }

        .policy-section {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 18px;
            border: 1px solid var(--border-light);
            box-shadow: 0 15px 40px rgba(0, 102, 204, 0.08);
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .policy-section.full-width {
            grid-column: 1 / -1;
        }

        .policy-section.split {
            display: grid;
            grid-template-columns: minmax(0, 2fr) minmax(220px, 1fr);
            gap: 1.5rem;
            align-items: start;
        }

        @media (max-width: 768px) {
            .policy-section.split {
                grid-template-columns: 1fr;
            }
        }

        .policy-section h2 {
            font-size: 1.5rem;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }

        .policy-section h3 {
            font-size: 1.1rem;
            color: var(--primary-blue);
            margin-bottom: 0.5rem;
        }

        .policy-section p {
            color: var(--text-gray);
            line-height: 1.75;
            margin-bottom: 0.5rem;
            font-size: 1rem;
        }

        .policy-section strong {
            color: var(--text-dark);
        }

        .policy-section a {
            color: var(--primary-blue);
            text-decoration: none;
            font-weight: 600;
        }

        .policy-section a:hover {
            text-decoration: underline;
        }

        .policy-sidecard {
            background: var(--light-blue);
            border-radius: 14px;
            padding: 1.5rem;
            border: 1px solid rgba(0, 102, 204, 0.15);
        }

        .pill-list {
            list-style: none;
            padding: 0;
            margin: 0 0 1rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .pill-list li {
            background: var(--white);
            border: 1px solid rgba(0, 102, 204, 0.2);
            border-radius: 999px;
            padding: 0.5rem 1rem;
            text-align: center;
            color: var(--primary-blue);
            font-weight: 600;
        }

        .policy-callout {
            background: var(--soft-gray);
            border-radius: 12px;
            padding: 1.25rem 1.5rem;
            border-left: 4px solid var(--primary-blue);
        }

        .policy-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 0.6rem;
        }

        .policy-list li {
            position: relative;
            padding-left: 1.5rem;
            color: var(--text-gray);
        }

        .policy-list li::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--primary-blue);
            position: absolute;
            left: 0;
            top: 0.55rem;
        }

        .policy-list strong {
            color: var(--text-dark);
        }

        /* Booking Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(5px);
            z-index: 2000;
            animation: fadeIn 0.3s ease;
        }

        .modal.active {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .modal-content {
            background: var(--white);
            padding: 3rem;
            border-radius: 20px;
            max-width: 900px;
            width: 90%;
            max-height: 85vh;
            overflow-y: auto;
            position: relative;
            animation: slideUp 0.4s ease;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        @keyframes slideUp {
            from {
                opacity: 0;
                transform: translateY(50px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .close-modal {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            font-size: 2rem;
            color: var(--text-gray);
            cursor: pointer;
            background: none;
            border: none;
            transition: all 0.3s ease;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
        }

        .close-modal:hover {
            background: var(--soft-gray);
            color: var(--primary-blue);
            transform: rotate(90deg);
        }

        .booking-header {
            margin-bottom: 2rem;
        }

        .booking-header h2 {
            font-family: 'DM Serif Display', serif;
            font-size: 2rem;
            color: var(--text-dark);
            margin-bottom: 0.5rem;
        }

        .booking-header p {
            color: var(--text-gray);
        }

        .tutor-select {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .tutor-option {
            padding: 1.5rem;
            border: 2px solid var(--border-light);
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }

        .tutor-option:hover {
            border-color: var(--primary-blue);
            background: var(--light-blue);
        }

        .tutor-option.selected {
            border-color: var(--primary-blue);
            background: var(--light-blue);
            box-shadow: 0 4px 15px rgba(0, 102, 204, 0.15);
        }

        .tutor-option h4 {
            font-size: 1.1rem;
            margin-bottom: 0.3rem;
            color: var(--text-dark);
        }

        .tutor-option p {
            font-size: 0.85rem;
            color: var(--text-gray);
        }

        .calendar-container {
            margin-top: 2rem;
        }

        .calendar-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 1.5rem;
        }

        .calendar-header h3 {
            font-size: 1.3rem;
            color: var(--text-dark);
        }

        .calendar-nav {
            display: flex;
            gap: 1rem;
        }

        .calendar-nav button {
            background: var(--soft-gray);
            border: none;
            padding: 0.6rem 1.2rem;
            border-radius: 8px;
            cursor: pointer;
            font-weight: 500;
            transition: all 0.3s ease;
            color: var(--text-dark);
        }

        .calendar-nav button:hover {
            background: var(--primary-blue);
            color: var(--white);
        }

        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(7, 1fr);
            gap: 0.5rem;
            margin-bottom: 2rem;
        }

        .calendar-day-header {
            text-align: center;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text-gray);
            padding: 0.5rem;
        }

        .calendar-day {
            aspect-ratio: 1;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border-light);
            border-radius: 8px;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }

        .calendar-day:hover:not(.empty):not(.past):not(.unavailable):not(.selected) {
            background: var(--light-blue);
            border-color: var(--primary-blue);
        }

        .calendar-day.empty {
            border: none;
            cursor: default;
        }

        .calendar-day.past {
            color: var(--border-light);
            cursor: not-allowed;
        }

        .calendar-day.unavailable {
            background: #f5f5f5;
            color: #ccc;
            cursor: not-allowed;
        }

        .calendar-day.available {
            background: var(--light-blue);
            border-color: var(--primary-blue);
            color: var(--primary-blue);
            font-weight: 600;
        }

        .calendar-day.selected {
            background: var(--primary-blue) !important;
            color: var(--white) !important;
            border-color: var(--primary-blue) !important;
            font-weight: 600;
        }

        .time-slots {
            display: none;
            grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
            gap: 0.8rem;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 2px solid var(--border-light);
        }

        .time-slots.active {
            display: grid;
        }

        .time-slot {
            padding: 0.8rem;
            border: 2px solid var(--border-light);
            border-radius: 8px;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9rem;
            font-weight: 500;
        }

        .time-slot:hover {
            border-color: var(--primary-blue);
            background: var(--light-blue);
        }

        .time-slot.selected {
            background: var(--primary-blue);
            color: var(--white);
            border-color: var(--primary-blue);
        }

        .booking-summary {
            display: none;
            background: var(--light-blue);
            padding: 1.5rem;
            border-radius: 12px;
            margin-top: 2rem;
        }

        .booking-summary.active {
            display: block;
        }

        .booking-summary h4 {
            font-size: 1.1rem;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }

        .booking-summary p {
            color: var(--text-gray);
            margin-bottom: 0.5rem;
        }

        .confirm-booking {
            width: 100%;
            background: var(--primary-blue);
            color: var(--white);
            padding: 1rem;
            border: none;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            margin-top: 1rem;
            transition: all 0.3s ease;
        }

        .confirm-booking:hover {
            background: var(--accent-blue);
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
        }

        /* Time Selection Notification */
        .time-selection-notification {
            display: none;
            background: linear-gradient(135deg, var(--primary-blue), var(--accent-blue));
            color: var(--white);
            padding: 1rem 1.5rem;
            border-radius: 8px;
            margin-top: 1rem;
            margin-bottom: 1rem;
            text-align: center;
            font-weight: 600;
            animation: slideDown 0.3s ease-out;
            box-shadow: 0 4px 15px rgba(0, 102, 204, 0.3);
        }

        .time-selection-notification.active {
            display: block;
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* Footer */
        footer {
            background: var(--text-dark);
            color: var(--white);
            padding: 3rem 0 2rem;
            margin-top: 5rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 2rem;
        }

        .footer-section h4 {
            font-size: 1.2rem;
            margin-bottom: 1rem;
            font-weight: 600;
        }

        .footer-section p,
        .footer-section a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
            transition: color 0.3s ease;
        }

        .footer-section a:hover {
            color: var(--white);
        }

        .footer-email {
            color: var(--white) !important;
            font-weight: 500;
            word-break: break-all;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
        }

        /* Pricing Section */
        .pricing-section {
            padding: 2rem 0;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .pricing-card {
            background: var(--white);
            padding: 2.5rem;
            border-radius: 12px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .pricing-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-blue);
        }

        .pricing-card.featured {
            border: 2px solid var(--accent-blue);
            box-shadow: var(--shadow-md);
            transform: scale(1.02);
            z-index: 2;
        }

        .pricing-card.featured:hover {
            transform: scale(1.02) translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .popular-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent-blue);
            color: var(--white);
            padding: 0.4rem 1.2rem;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            box-shadow: 0 4px 10px rgba(197, 160, 89, 0.3);
            white-space: nowrap;
        }

        .pricing-card h3 {
            font-family: 'DM Serif Display', serif;
            font-size: 1.5rem;
            color: var(--text-dark);
            margin-bottom: 1rem;
            text-align: center;
        }

        .price {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-blue);
            text-align: center;
            margin-bottom: 0.5rem;
            font-family: 'DM Serif Display', serif;
        }

        .price .period {
            font-size: 1rem;
            color: var(--text-gray);
            font-weight: 400;
            font-family: 'Work Sans', sans-serif;
        }

        .pricing-card p {
            text-align: center;
            color: var(--text-gray);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }

        .package-features {
            list-style: none;
            margin-bottom: 2rem;
            flex-grow: 1;
        }

        .package-features li {
            padding: 0.6rem 0;
            color: var(--text-dark);
            font-size: 0.95rem;
            border-bottom: 1px solid var(--soft-gray);
            text-align: center;
        }

        .package-features li:last-child {
            border-bottom: none;
        }

        .package-features li strong {
            color: var(--accent-blue);
        }

        .cta-button.outline {
            background: transparent;
            border: 2px solid var(--primary-blue);
            color: var(--primary-blue);
            box-shadow: none;
            text-align: center;
        }

        .cta-button.outline:hover {
            background: var(--primary-blue);
            color: var(--white);
        }

        /* Credential Badge */
        .credential-badge {
            display: inline-block;
            background: var(--light-blue);
            color: var(--primary-blue);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 6px;
            margin-top: 1rem;
            border: 1px solid rgba(10, 35, 66, 0.1);
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            nav ul {
                gap: 1rem;
                font-size: 0.85rem;
            }

            .hero h1 {
                font-size: 2.5rem;
            }

            .hero p {
                font-size: 1.05rem;
            }

            .section-title {
                font-size: 2rem;
            }

            .modal-content {
                padding: 2rem;
                width: 95%;
            }

            .calendar-grid {
                gap: 0.3rem;
            }

            .calendar-day {
                font-size: 0.8rem;
            }

            .about-hero h1,
            .services-hero h1,
            .terms-hero h1 {
                font-size: 2.3rem;
            }
        }

        @media (max-width: 480px) {
            nav ul {
                gap: 0.8rem;
                font-size: 0.8rem;
            }

            .logo {
                font-size: 1.5rem;
            }

            .tutor-select {
                grid-template-columns: 1fr;
            }

            .time-slots {
                grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
            }
        }