/* ==========================================================================
   MosoHabit Tuition CSS Styling
   ========================================================================== */

/* Design Tokens & Custom Properties */
:root {
    --color-primary: #0a2540;
    --color-primary-light: #16365b;
    --color-accent: #008b9c;
    --color-accent-hover: #007685;
    --color-gold: #ffd034;
    --color-gold-hover: #fcd853;
    --color-gold-dark: #cc9b00;
    
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-text-muted: #a0aec0;
    
    --color-bg: #ffffff;
    --color-bg-light: #f8fafc;
    --color-bg-white: #ffffff;
    
    --bg-blue-light: #e6f4f8;
    --bg-teal-light: #e6f7f8;
    --bg-gold-light: #fff9e6;
    
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    
    --shadow-sm: 0 2px 4px rgba(10, 37, 64, 0.05);
    --shadow-md: 0 8px 16px rgba(10, 37, 64, 0.08);
    --shadow-lg: 0 16px 32px rgba(10, 37, 64, 0.12);
    --shadow-gold: 0 8px 24px rgba(255, 208, 52, 0.3);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    
    --container-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.25;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utilities */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.text-center {
    text-align: center;
}

.bg-light {
    background-color: var(--color-bg-light);
}

.text-accent {
    color: var(--color-accent);
}

/* Color wraps for icons */
.bg-blue-light { background-color: var(--bg-blue-light); }
.bg-teal-light { background-color: var(--bg-teal-light); }
.bg-gold-light { background-color: var(--bg-gold-light); }

.text-blue { color: #003b6f; }
.text-teal { color: var(--color-accent); }
.text-gold { color: var(--color-gold-dark); }

/* Badges */
.badge {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--bg-teal-light);
    color: var(--color-accent);
    font-family: var(--font-heading);
    font-size: 0.875rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-yellow {
    background-color: var(--bg-gold-light);
    color: var(--color-gold-dark);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transition);
    gap: 8px;
}

.btn-lg {
    padding: 14px 36px;
    font-size: 1.05rem;
}

.btn-xl {
    padding: 18px 44px;
    font-size: 1.15rem;
    border-radius: var(--radius-lg);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-bg-white);
    transform: translateY(-2px);
}

.btn-gold {
    background-color: var(--color-gold);
    color: var(--color-primary);
    box-shadow: var(--shadow-gold);
}

.btn-gold:hover {
    background-color: var(--color-gold-hover);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 12px 28px rgba(255, 208, 52, 0.45);
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(10, 37, 64, 0.06);
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
    background-color: #ffffff;
}

.header-container {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -0.02em;
}

.logo-accent {
    color: var(--color-accent);
}

.logo-sub {
    font-weight: 400;
    font-size: 1.2rem;
    color: var(--color-text-light);
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--color-text);
    padding: 8px 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-accent);
}

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

.header-cta {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--color-primary);
    cursor: pointer;
    padding: 4px;
}

/* Sections Base Styling */
section {
    padding: 100px 0;
}

.section-header {
    max-width: 650px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.25rem;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.section-subtitle {
    color: var(--color-text-light);
    font-size: 1.125rem;
}

/* Hero Section */
.hero {
    background-color: #ffffff;
    padding-top: 160px; /* offset sticky header */
    padding-bottom: 80px;
    position: relative;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    align-items: center;
}

.hero-content {
    max-width: 580px;
}

.hero-badge {
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 24px;
    line-height: 1.15;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.hero-ad-banner {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--color-text);
    font-weight: 500;
}

.hero-image-wrapper {
    display: flex;
    justify-content: center;
    position: relative;
}

.hero-svg {
    width: 100%;
    max-width: 480px;
}

/* Credentials Section */
.credentials {
    padding-top: 80px;
}

.credentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin-bottom: 60px;
}

.cred-card {
    background-color: var(--color-bg-white);
    border: 1px solid rgba(10, 37, 64, 0.05);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.cred-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-md);
}

.cred-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--color-accent);
    opacity: 0;
    transition: var(--transition);
}

.cred-card:hover::before {
    opacity: 1;
}

.cred-icon-wrap {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.cred-value {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 8px;
    line-height: 1;
}

.cred-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.cred-desc {
    font-size: 0.925rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

.highlight-card {
    background: linear-gradient(135deg, #0a2540 0%, #003b6f 100%);
    color: #ffffff;
    border: none;
}

.highlight-card .cred-value {
    color: var(--color-gold);
}

.highlight-card .cred-title {
    color: #ffffff;
}

.highlight-card .cred-desc {
    color: rgba(255, 255, 255, 0.8);
}

.highlight-card::before {
    background-color: var(--color-gold);
}

/* Tutor Profile Card */
.tutor-profile-card {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    background-color: var(--color-bg-white);
    border: 1px solid rgba(10, 37, 64, 0.06);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-top: 80px;
}

.tutor-avatar-side {
    background: linear-gradient(135deg, var(--bg-blue-light) 0%, #dff2f4 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 48px;
}

.avatar-container {
    width: 200px;
    height: 200px;
    border-radius: var(--radius-full);
    border: 6px solid #ffffff;
    box-shadow: var(--shadow-md);
    background-color: var(--color-bg-white);
    overflow: hidden;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.avatar-placeholder {
    font-size: 5rem;
    color: var(--color-text-muted);
}

.avatar-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.tutor-info-side {
    padding: 48px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.tutor-badge {
    align-self: flex-start;
    margin-bottom: 12px;
}

.tutor-info-side h3 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.tutor-bio {
    color: var(--color-text-light);
    margin-bottom: 24px;
    font-size: 1rem;
    line-height: 1.65;
}

.tutor-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.tutor-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-primary);
}

.tutor-tag i {
    color: var(--color-accent);
}

/* Why Us Section */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.feature-card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(10, 37, 64, 0.03);
    transition: var(--transition);
}

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

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background-color: var(--bg-teal-light);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.35rem;
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--color-text-light);
    font-size: 0.95rem;
}

/* Subjects Section */
.subjects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.subject-card {
    background-color: var(--color-bg-white);
    border: 1px solid rgba(10, 37, 64, 0.05);
    border-radius: var(--radius-lg);
    padding: 32px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.subject-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(0, 139, 156, 0.2);
}

.subject-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.subject-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.subject-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.subject-bullets {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.subject-bullets li {
    font-size: 0.95rem;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 10px;
}

.subject-bullets li i {
    font-size: 0.8rem;
    flex-shrink: 0;
}

/* FAQ Accordion Section */
.faq-accordion-wrap {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--color-bg-white);
    border: 1px solid rgba(10, 37, 64, 0.05);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

.faq-trigger {
    width: 100%;
    padding: 24px;
    background: none;
    border: none;
    outline: none;
    text-align: left;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-primary);
    cursor: pointer;
    transition: var(--transition);
}

.faq-trigger:hover {
    color: var(--color-accent);
}

.faq-arrow {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
    color: var(--color-text-light);
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    padding: 0 24px;
}

.faq-content p {
    padding-bottom: 24px;
    color: var(--color-text-light);
    font-size: 0.975rem;
}

/* Active State of FAQ Accordion */
.faq-item.active {
    border-color: rgba(0, 139, 156, 0.2);
}

.faq-item.active .faq-trigger {
    color: var(--color-accent);
}

.faq-item.active .faq-arrow {
    transform: rotate(180deg);
    color: var(--color-accent);
}

/* Contact / Sign Up Section */
.contact {
    background-color: var(--color-bg);
}

.contact-card {
    background: linear-gradient(135deg, var(--color-primary) 0%, #002347 100%);
    border-radius: var(--radius-lg);
    color: #ffffff;
    padding: 60px 48px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.contact-card::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 500px;
    height: 500px;
    border-radius: var(--radius-full);
    background-color: rgba(0, 139, 156, 0.08);
    pointer-events: none;
}

.contact-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 40px;
}

.contact-header h2 {
    color: #ffffff;
    font-size: 2.5rem;
    margin-bottom: 16px;
    letter-spacing: -0.01em;
}

.contact-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.1rem;
}

.contact-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
}

.signup-action-area {
    text-align: center;
    z-index: 2;
}

.btn-gform {
    display: inline-flex;
    align-items: center;
    gap: 12px;
}

.gform-hint {
    margin-top: 12px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.65);
}

.divider {
    width: 100%;
    max-width: 400px;
    display: flex;
    align-items: center;
    text-align: center;
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.1em;
}

.divider::before, .divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.divider:not(:empty)::before {
    margin-right: .75em;
}

.divider:not(:empty)::after {
    margin-left: .75em;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    width: 100%;
    max-width: 650px;
    z-index: 2;
}

.contact-item {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    color: #ffffff;
}

.contact-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.contact-icon-wrap {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    background-color: rgba(0, 139, 156, 0.2);
    color: var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
}

.contact-label {
    font-size: 0.775rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contact-val {
    font-size: 0.95rem;
    font-weight: 600;
}

.contact-footer {
    text-align: center;
}

.rate-disclaimer {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.rate-disclaimer i {
    color: var(--color-gold);
}

/* Footer styling */
.footer {
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 32px;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 8px;
    display: inline-block;
}

.footer-tagline {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-right {
    text-align: right;
}

.copyright {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 8px;
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.45);
    max-width: 400px;
    margin-left: auto;
}

/* ==========================================================================
   About Section Styles (Integrated from about.html)
   ========================================================================== */

#about {
    padding: 0;
}

.story-section {
    padding: 80px 0;
}

.story-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.story-img-wrap {
    position: relative;
}

.story-img-card {
    background: linear-gradient(135deg, var(--bg-blue-light) 0%, #dff2f4 100%);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid rgba(10, 37, 64, 0.05);
}

.story-avatar-container {
    width: 180px;
    height: 180px;
    border-radius: var(--radius-full);
    border: 6px solid #ffffff;
    box-shadow: var(--shadow-md);
    background-color: var(--color-bg-white);
    margin: 0 auto 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.story-avatar-placeholder {
    font-size: 5rem;
    color: var(--color-text-muted);
}

.story-credentials-list {
    margin-top: 32px;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.story-cred-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 600;
    color: var(--color-primary);
}

.story-cred-item i {
    color: var(--color-accent);
    font-size: 1.1rem;
}

.story-text h2 {
    font-size: 2.25rem;
    margin-bottom: 24px;
}

.story-text p {
    color: var(--color-text-light);
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.7;
}

/* Philosophy and BSSS Sections */
.philosophy-section {
    padding: 100px 0;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.philosophy-card {
    background-color: var(--color-bg-white);
    border-radius: var(--radius-md);
    padding: 40px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(10, 37, 64, 0.04);
    transition: var(--transition);
}

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

.philosophy-card h3 {
    font-size: 1.35rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.philosophy-card h3 i {
    color: var(--color-accent);
}

.philosophy-card p {
    color: var(--color-text-light);
    font-size: 0.975rem;
    line-height: 1.6;
}

.bsss-advice-section {
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.bsss-advice-section h2 {
    color: #ffffff;
    font-size: 2.25rem;
    margin-bottom: 16px;
    text-align: center;
}

.bsss-advice-section .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    margin-bottom: 50px;
}

.bsss-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.bsss-step-card {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition);
}

.bsss-step-card:hover {
    background-color: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
}

.bsss-step-num {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-gold);
    line-height: 1;
    margin-bottom: 16px;
}

.bsss-step-card h3 {
    color: #ffffff;
    font-size: 1.2rem;
    margin-bottom: 12px;
}

.bsss-step-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.925rem;
    line-height: 1.5;
}

@media (max-width: 900px) {
    .story-container {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
    
    .bsss-steps-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
}

/* Responsive Styles */
@media (max-width: 1024px) {
    section {
        padding: 80px 0;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
}

@media (max-width: 768px) {
    /* Header Menu Mobile Drawer */
    .mobile-nav-toggle {
        display: block;
        z-index: 1010;
    }
    
    .nav {
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        height: 0;
        background-color: #ffffff;
        box-shadow: 0 10px 20px rgba(10, 37, 64, 0.1);
        overflow: hidden;
        transition: height 0.3s ease;
        z-index: 1005;
    }
    
    .nav.open {
        height: 280px;
        border-bottom: 1px solid rgba(10, 37, 64, 0.06);
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        padding: 30px 0;
        gap: 20px;
    }
    
    /* Layout structural updates */
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 32px;
    }
    
    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .hero-actions {
        width: 100%;
        justify-content: center;
    }
    
    .tutor-profile-card {
        grid-template-columns: 1fr;
    }
    
    .tutor-avatar-side {
        padding: 32px;
    }
    
    .tutor-info-side {
        padding: 32px;
        text-align: center;
    }
    
    .tutor-badge {
        align-self: center;
    }
    
    .tutor-tags {
        justify-content: center;
    }
    
    .contact-card {
        padding: 40px 24px;
    }
    
    .contact-info-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 24px;
    }
    
    .footer-right {
        text-align: center;
    }
    
    .footer-disclaimer {
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.25rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 12px;
    }
    
    .btn {
        width: 100%;
    }
    
    .section-header h2 {
        font-size: 1.75rem;
    }
    
    .cred-value {
        font-size: 2rem;
    }
}