/* ========================================
   MODERN PROFESSIONAL SPEAKER WEBSITE
   Font: Inter (similar to Calibri/Helvetica)
   ======================================== */

/* === RESET & BASE === */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - Professional Blue Palette */
    --primary: #1e40af;
    --primary-dark: #1e3a8a;
    --primary-light: #3b82f6;
    --accent: #60a5fa;
    --gradient-start: #1e3a8a;
    --gradient-end: #3b82f6;

    /* Neutrals */
    --dark: #0f172a;
    --gray-900: #1e293b;
    --gray-800: #334155;
    --gray-700: #475569;
    --gray-600: #64748b;
    --gray-500: #94a3b8;
    --gray-400: #cbd5e1;
    --gray-300: #e2e8f0;
    --gray-200: #f1f5f9;
    --gray-100: #f8fafc;
    --white: #ffffff;

    /* Semantic Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Spacing */
    --section-padding: 5rem 0;
    --container-padding: 0 2rem;

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 1rem;
}

h1 { font-size: 3.5rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 1.875rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1.125rem; }

p { margin-bottom: 1rem; }

.lead-text {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--gray-700);
    font-weight: 400;
}

.gradient-text {
    background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* === LAYOUT === */
.content-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--container-padding);
}

.section-header {
    margin-bottom: 3rem;
}

.section-header.centered {
    text-align: center;
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--dark);
}

/* === NAVIGATION === */
.main-nav {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--gray-200);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.nav-logo {
    display: flex;
    flex-direction: column;
}

.logo-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.2;
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-tabs {
    display: flex;
    list-style: none;
    gap: 0.5rem;
    align-items: center;
}

.nav-tabs a {
    display: block;
    padding: 0.625rem 1.25rem;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: var(--transition);
}

.nav-tabs a:hover {
    color: var(--primary);
    background: var(--gray-100);
}

.nav-tabs a.active {
    color: var(--primary);
    background: var(--gray-100);
}

.nav-tabs a.nav-cta {
    background: var(--primary);
    color: var(--white);
    font-weight: 600;
}

.nav-tabs a.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    transition: var(--transition);
}

/* === HERO SECTION === */
.hero-section {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: var(--white);
    padding: 5rem 0;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-lead {
    font-size: 1.25rem;
    line-height: 1.7;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.tagline-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.tagline-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 1rem;
    padding: 1.5rem;
    transition: var(--transition);
}

.tagline-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-4px);
}

.tagline-icon {
    font-size: 2rem;
    margin-bottom: 0.75rem;
}

.tagline-card h3 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--white);
}

.tagline-card p {
    font-size: 0.9375rem;
    line-height: 1.5;
    opacity: 0.9;
    margin: 0;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
}

.image-wrapper {
    position: relative;
}

.profile-image {
    width: 100%;
    max-width: 400px;
    border-radius: 1.5rem;
    box-shadow: var(--shadow-xl);
    position: relative;
    z-index: 2;
}

.image-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 1.5rem;
    z-index: 1;
}

/* === BUTTONS === */
.btn {
    display: inline-block;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 0.5rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    text-align: center;
}

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

.btn-primary:hover {
    background: var(--gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 2px solid var(--white);
}

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

.btn-large {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-full {
    width: 100%;
}

/* === STATS BAR === */
.stats-bar {
    background: var(--gray-100);
    padding: 3rem 0;
    border-bottom: 1px solid var(--gray-200);
}

.stats-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    text-align: center;
}

.stat-item {
    padding: 1rem;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-600);
}

/* === CONTENT SECTIONS === */
.overview-section,
.frameworks-section,
.topics-preview,
.clients-section,
.content-section,
.unique-section,
.ideal-for-section {
    padding: var(--section-padding);
}

.overview-content {
    max-width: 900px;
    margin: 0 auto;
}

.overview-content p {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
}

/* === FRAMEWORKS SHOWCASE === */
.frameworks-section {
    background: var(--gray-100);
}

.frameworks-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.framework-card {
    background: var(--white);
    border-radius: 1rem;
    padding: 2.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid var(--gray-200);
}

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

.framework-header {
    margin-bottom: 1.5rem;
}

.framework-logo {
    width: 120px;
    height: auto;
    margin-bottom: 1rem;
    border-radius: 0.5rem;
}

.framework-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.framework-badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.framework-features {
    list-style: none;
    margin: 1.5rem 0;
}

.framework-features li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-700);
}

.framework-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.framework-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.framework-link:hover {
    color: var(--primary-dark);
    gap: 0.75rem;
}

/* === TOPICS PREVIEW === */
.topics-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.topic-preview-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 1rem;
    padding: 2rem;
    transition: var(--transition);
}

.topic-preview-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.topic-number {
    display: inline-block;
    width: 3rem;
    height: 3rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.topic-preview-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.topic-preview-card p {
    color: var(--gray-600);
    margin-bottom: 1rem;
}

.topic-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: var(--transition);
}

.topic-link:hover {
    color: var(--primary-dark);
    gap: 0.75rem;
}

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

/* === CLIENTS SECTION === */
.clients-section {
    background: var(--white);
    text-align: center;
}

.clients-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem 3rem;
    max-width: 900px;
    margin: 0 auto;
}

.client-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-600);
    transition: var(--transition);
}

.client-name:hover {
    color: var(--primary);
}

/* === CTA SECTION === */
.cta-section {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: var(--white);
    padding: 5rem 0;
    text-align: center;
}

.cta-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* === PAGE HERO === */
.page-hero {
    background: linear-gradient(135deg, var(--gradient-start) 0%, var(--gradient-end) 100%);
    color: var(--white);
    padding: 4rem 0;
    text-align: center;
}

.page-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.page-title {
    font-size: 3rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 1rem;
}

.page-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    max-width: 800px;
    margin: 0 auto;
}

/* === SPEAKING TOPICS PAGE === */
.topics-section {
    padding: var(--section-padding);
}

.track-header {
    margin: 3rem 0 2rem;
    padding: 1.5rem;
    background: var(--gray-100);
    border-left: 4px solid var(--primary);
    border-radius: 0.5rem;
}

.track-header h2 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.track-header p {
    color: var(--gray-600);
    margin: 0;
}

.topic-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 1rem;
    margin-bottom: 1.5rem;
    overflow: hidden;
    transition: var(--transition);
}

.topic-card:hover {
    box-shadow: var(--shadow-md);
}

.topic-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem 2rem;
    background: var(--gray-50);
    cursor: pointer;
    transition: var(--transition);
}

.topic-header:hover {
    background: var(--gray-100);
}

.topic-header.active {
    background: var(--primary);
    color: var(--white);
}

.topic-num {
    flex-shrink: 0;
    width: 3.5rem;
    height: 3.5rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.topic-header.active .topic-num {
    background: var(--white);
    color: var(--primary);
}

.topic-header h3 {
    flex: 1;
    font-size: 1.375rem;
    margin: 0;
}

.topic-header.active h3 {
    color: var(--white);
}

.topic-toggle {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 300;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.topic-header.active .topic-toggle {
    background: var(--white);
    color: var(--primary);
    transform: rotate(45deg);
}

.topic-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.topic-body.active {
    max-height: 3000px;
}

.topic-body > div {
    padding: 2rem;
}

.topic-intro {
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 2rem;
}

.topic-details-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.topic-detail h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
}

.topic-detail ul {
    list-style: none;
    padding: 0;
}

.topic-detail li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray-700);
}

.topic-detail li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.video-placeholder {
    background: var(--gray-100);
    border: 2px dashed var(--gray-300);
    border-radius: 0.75rem;
    padding: 3rem;
    text-align: center;
    color: var(--gray-600);
}

.custom-cta {
    text-align: center;
    padding: 2rem;
    background: var(--gray-100);
    border-radius: 0.75rem;
    margin-top: 2rem;
}

/* === APPROACH PAGE === */
.approach-intro {
    max-width: 900px;
    margin: 0 auto 3rem;
    text-align: center;
}

.style-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.style-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 1rem;
    padding: 2rem;
    transition: var(--transition);
}

.style-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.style-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.style-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.style-card p {
    color: var(--gray-600);
    margin: 0;
}

.unique-section {
    background: var(--gray-100);
}

.unique-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
}

.unique-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 1rem;
    padding: 2rem;
    transition: var(--transition);
}

.unique-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.unique-card.highlight {
    border: 2px solid var(--primary);
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.unique-number {
    display: inline-block;
    width: 2.5rem;
    height: 2.5rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 0.5rem;
    font-size: 1.125rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.unique-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.unique-card p {
    color: var(--gray-600);
    margin-bottom: 0.75rem;
}

.ideal-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.ideal-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.ideal-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
}

.ideal-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.ideal-card p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    margin: 0;
}

.difference-section {
    background: var(--gray-100);
}

.difference-box {
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 1rem;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
}

.difference-box h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.difference-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.difference-item {
    display: grid;
    grid-template-columns: auto 1fr auto auto 1fr;
    gap: 1rem;
    align-items: center;
    padding: 1.5rem;
    background: var(--gray-50);
    border-radius: 0.75rem;
}

.diff-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.diff-text {
    font-size: 1rem;
    color: var(--gray-700);
}

.diff-arrow {
    font-size: 1.5rem;
    color: var(--primary);
    font-weight: 700;
}

.difference-conclusion {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-top: 2rem;
    margin-bottom: 0;
}

/* === CREDENTIALS PAGE === */
.credentials-highlight {
    margin-bottom: 4rem;
}

.cred-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.5rem;
}

.cred-badge {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

.cred-badge:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
}

.cred-icon {
    font-size: 2.5rem;
    margin-bottom: 0.75rem;
}

.cred-badge h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.cred-badge p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin: 0;
}

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

.section-block h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--primary);
}

.section-intro {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.background-content {
    display: grid;
    gap: 2rem;
}

.background-item {
    background: var(--gray-50);
    border-left: 4px solid var(--primary);
    border-radius: 0.5rem;
    padding: 2rem;
}

.background-item h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
}

.background-item ul {
    list-style: none;
    padding: 0;
}

.background-item li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.background-item li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.publications-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.pub-item {
    background: var(--gray-50);
    border-radius: 0.75rem;
    padding: 1.5rem;
    border-left: 4px solid var(--gray-400);
}

.pub-item.featured {
    border-left-color: var(--primary);
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.05) 0%, rgba(59, 130, 246, 0.05) 100%);
}

.pub-type {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary);
    color: var(--white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 1rem;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
}

.pub-item h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.pub-item p {
    color: var(--gray-600);
    margin: 0;
}

.frameworks-section h3 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--primary);
}

.framework-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.framework-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--gray-50);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.fw-logo {
    width: 80px;
    height: auto;
    border-radius: 0.5rem;
}

.fw-content h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.fw-content p {
    color: var(--gray-600);
    margin: 0;
}

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

.client-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 3rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.client-name-large {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-700);
}

.client-name-medium {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-600);
}

.clients-more {
    margin-top: 2rem;
    font-style: italic;
    color: var(--gray-500);
}

.engagements-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.engagement-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    background: var(--gray-50);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.engagement-icon {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 0.75rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.engagement-content h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.engagement-content p {
    color: var(--gray-600);
    margin: 0;
}

.languages-box {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.lang-item {
    background: var(--gray-50);
    border-radius: 0.5rem;
    padding: 1rem 1.5rem;
}

.lang-item.availability {
    grid-column: 1 / -1;
    background: var(--primary);
    color: var(--white);
}

.booking-options {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.booking-option {
    background: var(--gray-50);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
}

.booking-option h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.booking-option p {
    color: var(--gray-600);
    margin: 0;
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 1rem;
    padding: 2rem;
    position: relative;
}

.quote-mark {
    font-size: 4rem;
    color: var(--primary);
    opacity: 0.2;
    line-height: 1;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-size: 1rem;
    font-style: italic;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.testimonial-author strong {
    color: var(--dark);
}

.testimonial-author span {
    font-size: 0.875rem;
    color: var(--gray-600);
}

.testimonials-note {
    text-align: center;
    font-style: italic;
    color: var(--gray-500);
    margin-top: 2rem;
}

/* === VIDEOS PAGE === */
.video-section {
    margin-bottom: 4rem;
}

.video-section h2 {
    font-size: 2rem;
    margin-bottom: 2rem;
    padding-bottom: 0.75rem;
    border-bottom: 3px solid var(--primary);
}

.featured-video-container {
    display: grid;
    gap: 2rem;
}

.video-embed-box {
    background: var(--gray-100);
    border-radius: 1rem;
    overflow: hidden;
}

.video-placeholder-large {
    background: var(--gray-200);
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-content {
    text-align: center;
    color: var(--gray-600);
}

.play-icon {
    width: 4rem;
    height: 4rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto 1rem;
}

.video-description h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.video-description p {
    color: var(--gray-600);
}

.videos-grid,
.testimonial-videos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.video-card {
    background: var(--white);
    border: 1px solid var(--gray-200);
    border-radius: 0.75rem;
    overflow: hidden;
    transition: var(--transition);
}

.video-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}

.video-thumb {
    background: var(--gray-100);
}

.video-placeholder-small {
    background: var(--gray-200);
    aspect-ratio: 16/9;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-icon-small {
    width: 3rem;
    height: 3rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.video-info {
    padding: 1.5rem;
}

.video-info h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.video-info p {
    font-size: 0.9375rem;
    color: var(--gray-600);
    margin: 0;
}

.video-instructions {
    background: var(--gray-100);
    border-radius: 1rem;
    padding: 2rem;
    margin-top: 4rem;
}

.video-instructions h3 {
    margin-bottom: 1rem;
}

.code-example {
    background: var(--white);
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-top: 1rem;
    font-family: 'Courier New', monospace;
    font-size: 0.875rem;
}

.code-example code {
    color: var(--primary);
}

/* === CONTACT PAGE === */
.contact-section {
    padding: var(--section-padding);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-info-col h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-methods {
    margin: 2rem 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-method {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: var(--gray-50);
    border-radius: 0.75rem;
    padding: 1.5rem;
}

.method-icon {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: var(--primary);
    color: var(--white);
    border-radius: 0.75rem;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.method-content h4 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.method-content a {
    color: var(--primary);
    text-decoration: none;
}

.method-content a:hover {
    text-decoration: underline;
}

.inquiry-info {
    background: var(--gray-50);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin: 2rem 0;
}

.inquiry-info h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.inquiry-info ul {
    list-style: none;
    padding: 0;
}

.inquiry-info li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.inquiry-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: 700;
}

.response-info {
    background: var(--primary);
    color: var(--white);
    border-radius: 0.75rem;
    padding: 1rem 1.5rem;
}

.contact-form-col {
    background: var(--gray-50);
    border-radius: 1rem;
    padding: 2.5rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group label {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    font-family: inherit;
    background: var(--white);
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.resources-section {
    background: var(--gray-100);
    padding: var(--section-padding);
}

.resources-section h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 3rem;
}

.resources-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.resource-box {
    background: var(--white);
    border-radius: 1rem;
    padding: 2.5rem;
    text-align: center;
    transition: var(--transition);
}

.resource-box:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.resource-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.resource-box h3 {
    font-size: 1.375rem;
    margin-bottom: 1rem;
}

.resource-box p {
    color: var(--gray-600);
    margin-bottom: 1.5rem;
}

/* === FOOTER === */
.main-footer {
    background: var(--dark);
    color: var(--gray-400);
    padding: 4rem 0 2rem;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.125rem;
    margin-bottom: 1rem;
}

.footer-col p {
    font-size: 0.9375rem;
    line-height: 1.6;
}

.footer-tagline {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: 0.5rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 0.75rem;
}

.footer-col a {
    color: var(--gray-400);
    text-decoration: none;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--primary-light);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--gray-800);
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .hero-content,
    .frameworks-grid,
    .topics-grid,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .stats-container {
        grid-template-columns: repeat(2, 1fr);
    }

    .cred-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .ideal-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-tabs {
        display: none;
    }

    .nav-tabs.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        padding: 1rem;
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--gray-200);
    }

    .mobile-toggle {
        display: flex;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 2rem; }

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

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

    .tagline-cards {
        grid-template-columns: 1fr;
    }

    .stats-container,
    .style-grid,
    .unique-grid,
    .ideal-grid,
    .cred-grid,
    .videos-grid,
    .testimonial-videos-grid,
    .testimonials-grid,
    .resources-grid,
    .booking-options {
        grid-template-columns: 1fr;
    }

    .topic-details-grid {
        grid-template-columns: 1fr;
    }

    .difference-item {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .diff-arrow {
        transform: rotate(90deg);
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}

/* === ANIMATIONS === */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* === PRINT STYLES === */
@media print {
    .main-nav,
    .cta-section,
    .main-footer {
        display: none;
    }
}