/* ===================================
   Global Styles - Mobile First
   =================================== */

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

:root {
    /* Color Palette */
    --sage: #9caf88;
    --clay: #b87f68;
    --terracotta: #c99082;
    --charcoal: #3d3d3d;
    --soft-gray: #8c8c8c;
    --cream: #faf8f3;
    --sand: #f4f1ea;
    --sand-light: #f9f7f2;
    --border-light: #e8e5dd;
    
    /* Semantic Colors */
    --primary-color: var(--clay);
    --secondary-color: var(--sage);
    --accent-color: var(--terracotta);
    --text-color: var(--charcoal);
    --text-light: var(--soft-gray);
    --bg-color: var(--cream);
    --bg-light: var(--sand);
    --bg-warm: var(--sand-light);
    --border-color: var(--border-light);
    
    /* Layout */
    --max-width: 1200px;
    
    /* Spacing Scale */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3.5rem;
    --spacing-xl: 5rem;
    --spacing-2xl: 7rem;
    --spacing-3xl: 10rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.4s ease;
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-pill: 999px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.7;
    color: var(--text-color);
    background-color: var(--bg-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-weight: 400;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Georgia', 'Iowan Old Style', 'Times New Roman', serif;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    letter-spacing: -0.01em;
}

h1 {
    font-size: 2rem;
}

h2 {
    font-size: 1.75rem;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: var(--spacing-sm);
}

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

a:hover {
    color: var(--secondary-color);
}

/* Layout */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

main {
    flex: 1;
}

/* Header & Navigation */
header {
    background-color: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: box-shadow var(--transition-base);
}

header.scrolled {
    box-shadow: 0 2px 12px rgba(61, 61, 61, 0.08);
}

nav {
    padding: var(--spacing-sm) 0;
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.nav-toggle {
    display: inline-flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-color);
    cursor: pointer;
    transition: all var(--transition-base);
}

.nav-toggle span {
    display: block;
    height: 2px;
    width: 100%;
    background: var(--text-color);
    transition: all var(--transition-base);
}

.nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.nav-toggle.open span:nth-child(2) {
    opacity: 0;
}

.nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

.logo {
    font-size: 1.125rem;
    font-weight: 400;
    color: var(--sage);
    letter-spacing: 0.03em;
    transition: color var(--transition-base);
}

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

.nav-menu {
    list-style: none;
    display: none;
    gap: var(--spacing-sm);
    flex-direction: column;
    width: 100%;
    margin-top: var(--spacing-sm);
}

.nav-menu.open {
    display: flex;
}

.nav-menu a {
    color: var(--text-color);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    font-size: 0.9375rem;
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--bg-light);
    color: var(--primary-color);
}

/* Sections */
section {
    padding: var(--spacing-2xl) 0;
}

.hero {
    position: relative;
    text-align: center;
    padding: var(--spacing-3xl) 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(120deg, rgba(250, 248, 243, 0.7), rgba(244, 241, 234, 0.6)),
        url('/assets/img/hero-image2.png') center/cover no-repeat;
    overflow: hidden;
}

.hero-compact {
    min-height: auto;
    padding: var(--spacing-xl) 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero h1 {
    font-size: 2.75rem;
    margin-bottom: var(--spacing-md);
    color: var(--charcoal);
    font-weight: 400;
    line-height: 1.15;
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.75;
}

.content {
    padding: var(--spacing-lg) 0;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.95rem 2.6rem;
    border-radius: var(--radius-pill);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.01em;
    transition: all var(--transition-base);
    border: 2px solid transparent;
    font-family: inherit;
}

.btn-primary {
    background-color: var(--clay);
    color: var(--cream);
    border-color: var(--clay);
}

.btn-primary:hover {
    background-color: var(--charcoal);
    border-color: var(--charcoal);
    color: var(--cream);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: var(--sand);
    color: var(--sage);
    border-color: var(--sand);
}

.btn-secondary:hover {
    background-color: var(--sage);
    border-color: var(--sage);
    color: var(--cream);
    transform: translateY(-1px);
}

.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Homepage Specific */
.video-section {
    background-color: var(--bg-color);
}

.video-container {
    max-width: 900px;
    margin: 0 auto;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.video-caption {
    text-align: center;
    margin-top: var(--spacing-md);
    color: var(--text-light);
    font-size: 0.9375rem;
}

.values-section {
    background-color: var(--bg-warm);
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

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

.value-item h3 {
    font-size: 1.25rem;
    font-weight: 500;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.value-item p {
    color: var(--text-light);
    font-size: 0.9375rem;
    line-height: 1.7;
}

.cta-section {
    background-color: var(--bg-light);
    text-align: center;
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.cta-section p {
    color: var(--text-light);
    margin-bottom: var(--spacing-md);
    font-size: 1.125rem;
}

/* Speaking Page */
.intro-section {
    background-color: var(--bg-color);
    text-align: center;
}

.intro-section p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 1.125rem;
    line-height: 1.8;
    color: var(--text-color);
}

.themes-section {
    background-color: var(--bg-warm);
}

.themes-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.theme-card {
    background-color: var(--bg-color);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    text-align: center;
    transition: all var(--transition-base);
}

.theme-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(61, 61, 61, 0.06);
}

.theme-card h3 {
    font-size: 1.375rem;
    font-weight: 400;
    color: var(--primary-color);
    margin-bottom: 0;
}

.formats-section {
    background-color: var(--bg-color);
    text-align: center;
}

.formats-section h2 {
    font-size: 2rem;
    font-weight: 400;
    margin-bottom: var(--spacing-lg);
    color: var(--text-color);
}

.formats-list {
    list-style: none;
    max-width: 500px;
    margin: 0 auto;
    padding: 0;
}

.formats-list li {
    font-size: 1.125rem;
    padding: var(--spacing-sm) 0;
    color: var(--text-color);
    border-bottom: 1px solid var(--border-color);
}

.formats-list li:last-child {
    border-bottom: none;
}

.speaking-cta-section {
    background-color: var(--bg-light);
    text-align: center;
}

.speaking-cta-section h2 {
    font-size: 2.5rem;
    font-weight: 400;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

/* Book Page */
.booking-hub {
    background-color: var(--bg-color);
    min-height: 70vh;
    display: flex;
    align-items: center;
}

.booking-hub h1 {
    font-size: 2.5rem;
    font-weight: 400;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.booking-hub-intro {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    color: var(--text-light);
    font-size: 1.125rem;
}

.booking-cards {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.booking-card {
    display: block;
    background-color: var(--bg-warm);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-align: center;
    text-decoration: none;
    transition: all var(--transition-base);
}

.booking-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(61, 61, 61, 0.08);
}

.booking-card h2 {
    font-size: 1.625rem;
    font-weight: 400;
    color: var(--primary-color);
    margin-bottom: var(--spacing-xs);
}

.booking-card p {
    color: var(--text-light);
    font-size: 0.9375rem;
    margin-bottom: 0;
}

/* Booking Embeds */
.booking-embed {
    margin: var(--spacing-xl) auto;
}

.booking-embed iframe {
    width: 100%;
    min-height: 900px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background-color: var(--bg-warm);
}

/* Footer */
footer {
    background-color: var(--bg-light);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    margin-top: auto;
}

.footer-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
}

.footer-links a {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-color);
    font-size: 0.95rem;
    transition: color var(--transition-base);
}

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

.footer-links svg {
    width: 18px;
    height: 18px;
    display: block;
    fill: currentColor;
}

.footer-links a span {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===================================
   Tablet Styles (768px and up)
   =================================== */
@media (min-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    .nav-container {
        padding: 0 var(--spacing-md);
    }

    .nav-toggle {
        display: none;
    }

    .nav-menu {
        display: flex;
        gap: var(--spacing-md);
        flex-direction: row;
        width: auto;
        margin-top: 0;
    }

    .hero h1 {\n        font-size: 3.25rem;\n    }

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

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

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

/* ===================================
   Desktop Styles (1024px and up)
   =================================== */
@media (min-width: 1024px) {
    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2.25rem;
    }

    .hero h1 {
        font-size: 4rem;
    }

    .hero p {
        font-size: 1.25rem;
    }

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

/* ===================================
   Utility Classes
   =================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

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

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }