/* ==========================================================================
   Tamitu Consulting - Main Stylesheet
   Modern CSS with cutting-edge techniques (2025)
   ========================================================================== */

/* Custom Properties - Design System */
:root {
    /* Brand Colors - Extracted from logo */
    --color-primary: #3D6F89;
    --color-primary-light: #5A8DA6;
    --color-primary-dark: #2A5266;
    --color-primary-subtle: #E8F1F5;

    --color-secondary: #F5F3E8;
    --color-secondary-dark: #E8E5D5;

    --color-accent: #7BA591;
    --color-accent-light: #A8C9B7;

    /* Sector-Specific Colors */
    --color-sector-k12: #5A8DA6;
    --color-sector-k12-bg: rgba(90, 141, 166, 0.15);
    --color-sector-k12-text: #2A5266;

    --color-sector-higher-ed: var(--color-primary);
    --color-sector-higher-ed-bg: rgba(61, 111, 137, 0.15);
    --color-sector-higher-ed-text: var(--color-primary-dark);

    --color-sector-corporate: var(--color-accent);
    --color-sector-corporate-bg: rgba(123, 165, 145, 0.15);
    --color-sector-corporate-text: #4A6B57;

    /* Semantic Colors */
    --color-text-primary: #1A2B34;
    --color-text-secondary: #4A5F6B;
    --color-text-muted: #7A8B95;

    --color-surface: #FFFFFF;
    --color-surface-elevated: #FAFAF9;
    --color-background: var(--color-secondary);

    --color-error: #DC2626;
    --color-error-bg: #FEE2E2;
    --color-success: #059669;
    --color-success-bg: #D1FAE5;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;

    --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
    --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.375rem);
    --font-size-xl: clamp(1.375rem, 1.2rem + 0.875vw, 1.75rem);
    --font-size-2xl: clamp(1.75rem, 1.5rem + 1.25vw, 2.5rem);
    --font-size-3xl: clamp(2.5rem, 2rem + 2.5vw, 4rem);

    /* Spacing Scale - Optimized for Compactness */
    --space-xs: clamp(0.5rem, 0.45rem + 0.25vw, 0.625rem);
    --space-sm: clamp(0.625rem, 0.55rem + 0.375vw, 0.875rem);
    --space-md: clamp(0.875rem, 0.75rem + 0.625vw, 1.25rem);
    --space-lg: clamp(1.25rem, 1rem + 1.25vw, 2rem);
    --space-xl: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);
    --space-2xl: clamp(2rem, 1.5rem + 2.5vw, 4rem);

    /* Layout */
    --container-max-width: 1280px;
    --container-padding: var(--space-md);

    /* Magic Numbers as Variables */
    --nav-height: 70px;
    --sticky-offset: calc(var(--nav-height) + var(--space-lg));
    --icon-size-sm: 24px;
    --icon-size-md: 48px;
    --icon-size-lg: 60px;
    --logo-height: 48px;
    --logo-height-mobile: 140px;

    /* Effects */
    --shadow-sm: 0 1px 3px rgba(26, 43, 52, 0.08), 0 1px 2px rgba(26, 43, 52, 0.06);
    --shadow-md: 0 4px 6px rgba(26, 43, 52, 0.07), 0 2px 4px rgba(26, 43, 52, 0.05);
    --shadow-lg: 0 10px 15px rgba(26, 43, 52, 0.1), 0 4px 6px rgba(26, 43, 52, 0.05);
    --shadow-xl: 0 20px 25px rgba(26, 43, 52, 0.1), 0 10px 10px rgba(26, 43, 52, 0.04);

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    --border-radius-sm: 0.375rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    --gradient-page: var(--color-secondary);
    --gradient-hero: var(--color-secondary);
    --gradient-contact: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    --gradient-subtle: linear-gradient(135deg, var(--color-primary-subtle) 0%, white 100%);
    --gradient-about: var(--color-secondary);

    /* Z-Index Scale */
    --z-back-to-top: 100;
    --z-nav: 200;
    --z-modal: 300;
    --z-skip-link: 400;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */

*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-background);
    overflow-x: hidden;
}

/* Improved text rendering */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text-primary);
    text-wrap: balance;
}

p {
    text-wrap: pretty;
}

a {
    color: inherit;
    text-decoration: none;
}

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

button {
    font-family: inherit;
    cursor: pointer;
}

/* ==========================================================================
   Utility Classes
   ========================================================================== */

/* List Utilities */
.list-unstyled {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.list-bullet-dot li {
    padding-left: var(--space-lg);
    position: relative;
    line-height: 1.7;
}

.list-bullet-dot li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.list-bullet-check li {
    padding-left: var(--space-lg);
    position: relative;
    line-height: 1.6;
}

.list-bullet-check li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.list-bullet-arrow li {
    padding-left: var(--space-lg);
    position: relative;
    line-height: 1.6;
}

.list-bullet-arrow li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

/* ==========================================================================
   Layout Components
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

/* ==========================================================================
   Navigation
   ========================================================================== */

.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-nav);
    background-color: var(--color-primary);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.main-nav.scrolled {
    box-shadow: var(--shadow-md);
}

.main-nav.hidden {
    transform: translateY(-100%);
}

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

.logo-img {
    height: var(--logo-height);
    width: auto;
}

.logo-svg {
    height: var(--logo-height);
    width: auto;
    color: var(--color-secondary);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
    list-style: none;
    align-items: center;
}

.nav-links a {
    font-weight: 500;
    font-size: var(--font-size-sm);
    color: var(--color-secondary);
    position: relative;
    transition: color var(--transition-fast);
}

.nav-links a.cta-button {
    color: var(--color-primary);
}

.nav-links a:not(.cta-button):hover {
    color: white;
}

.nav-links a:not(.cta-button)::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    right: 0;
    height: 2px;
    background-color: var(--color-secondary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-base);
}

.nav-links a:not(.cta-button):hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

/* Button Sizing - Compact for Navigation */
.cta-button {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    background-color: var(--color-secondary);
    color: var(--color-primary);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.cta-button:hover {
    background-color: white;
    transform: translateY(-1px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    padding: var(--space-xs);
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-secondary);
    transition: transform var(--transition-base), opacity var(--transition-base);
}

/* Hamburger Menu Animation */
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translateY(8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-8px);
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: var(--color-primary);
        padding: var(--space-lg);
        gap: var(--space-md);
        box-shadow: var(--shadow-lg);
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform var(--transition-base), opacity var(--transition-base);
    }

    .nav-links.active {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding-block: var(--nav-height) var(--space-2xl);
    overflow: visible;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    color: var(--color-primary);
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: bounce 2s ease-in-out infinite;
    opacity: 0;
    animation: bounce 2s ease-in-out infinite, fadeInUp 0.8s ease-out 2s forwards;
}

.scroll-indicator svg {
    width: 32px;
    height: 32px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-12px);
    }
    60% {
        transform: translateX(-50%) translateY(-6px);
    }
}

.hero-background {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
    z-index: -1;
}

.leaf-pattern {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(123, 165, 145, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(61, 111, 137, 0.05) 0%, transparent 50%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: var(--space-xl);
    align-items: start;
}

.hero-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    aspect-ratio: 1 / 1;
    max-width: 350px;
    width: 100%;
    background: rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(20px);
    border-radius: var(--border-radius-xl);
    box-shadow:
        0 8px 32px rgba(61, 111, 137, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--space-xl);
    margin-left: auto;
    margin-right: 0;
}

/* Backdrop filter fallback for Firefox */
@supports not (backdrop-filter: blur(20px)) {
    .hero-logo {
        background: rgba(255, 255, 255, 0.4);
    }
}

.hero-logo-image {
    width: 100%;
    height: auto;
    object-fit: contain;
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.6s forwards;
}

.hero-title {
    font-family: var(--font-display);
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    margin-top: -0.15em;
}

.title-line {
    display: block;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.title-line:nth-child(1) { animation-delay: 0.2s; }
.title-line:nth-child(2) { animation-delay: 0.4s; }
.title-line:nth-child(3) { animation-delay: 0.6s; }

.title-emphasis {
    color: var(--color-primary);
}

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

@keyframes underlineGrow {
    to {
        transform: scaleX(1);
    }
}

/* Word Morphing Animation Styles */
#morphWord {
    display: inline-block;
    position: relative;
}

.morph-period {
    display: inline-block;
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.morph-period.visible {
    opacity: 1;
}

.morph-letter {
    display: inline-block;
    transition: all 0.7s cubic-bezier(0.25, 0.1, 0.25, 1);
    opacity: 1;
    transform: translateY(0);
}

.letter-fade-out {
    opacity: 0;
    transform: translateY(-10px);
}

.letter-fade-in {
    opacity: 0;
    transform: translateY(8px);
    animation: gentleFadeIn 0.7s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

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

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1s forwards;
    line-height: 1.6;
    margin-bottom: var(--space-md);
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-bottom: var(--space-lg);
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1.2s forwards;
}

/* Button Sizing - Standard for CTAs */
.primary-button, .secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md) var(--space-xl);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    transition: all var(--transition-base);
    min-width: 200px;
}

.primary-button {
    background-color: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.primary-button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.secondary-button:hover {
    background-color: var(--color-primary-subtle);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 1.4s forwards;
}

.stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    background-color: white;
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    border: 2px solid var(--color-primary);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}


/* Skip Link - Ensure it's completely hidden when not focused */
.skip-link {
    position: absolute !important;
    top: -100px !important;
    left: 0 !important;
    clip: rect(1px, 1px, 1px, 1px) !important;
    clip-path: inset(50%) !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    white-space: nowrap !important;
}

.skip-link:focus {
    clip: auto !important;
    clip-path: none !important;
    width: auto !important;
    height: auto !important;
    top: 0 !important;
    z-index: var(--z-skip-link) !important;
}

/* ==========================================================================
   Section Utilities
   ========================================================================== */

section {
    padding-block: var(--space-xl);
}

.section-header {
    margin-bottom: var(--space-lg);
}

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

.section-eyebrow {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.section-title {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
    line-height: 1.25;
}

.section-intro {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    max-width: 65ch;
}

/* Add max-width to appropriate long-form text elements */
.hero-subtitle,
.section-intro,
.about-text > p,
.challenge-synthesis p,
.impact-principles > p {
    max-width: 65ch;
}

.section-header.centered .section-intro {
    margin-inline: auto;
}

/* Two-column section header layout */
.section-header.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: start;
}

.section-header-left {
    display: flex;
    flex-direction: column;
}

.section-header-right {
    display: flex;
    align-items: flex-start;
    padding-top: calc(var(--font-size-sm) + var(--space-md) + 5px);
}

.section-header.two-column .section-intro {
    max-width: none;
    margin: 0;
    font-size: var(--font-size-base);
}

/* Mobile: Stack columns */
@media (max-width: 768px) {
    .section-header.two-column {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

/* ==========================================================================
   Challenges Section
   ========================================================================== */

.challenges-section {
    background-color: white;
}

.challenges-grid {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.challenge-card {
    background-color: var(--color-surface-elevated);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    border-left: 4px solid var(--color-primary);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

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

.challenge-card.k12 {
    border-left-color: var(--color-sector-k12);
}

.challenge-card.higher-ed {
    border-left-color: var(--color-sector-higher-ed);
}

.challenge-card.corporate {
    border-left-color: var(--color-sector-corporate);
}

.challenge-icon {
    width: var(--icon-size-md);
    height: var(--icon-size-md);
    padding: var(--space-sm);
    background-color: rgba(61, 111, 137, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.challenge-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.challenge-stat {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--space-lg);
    padding: var(--space-sm) var(--space-md);
    background-color: rgba(61, 111, 137, 0.08);
    border-radius: var(--border-radius-sm);
    display: inline-block;
}

.challenge-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.challenge-list li {
    padding-left: var(--space-lg);
    position: relative;
    line-height: 1.6;
}

.challenge-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.7em;
    width: 8px;
    height: 8px;
    background-color: var(--color-primary);
    border-radius: 50%;
}

.challenge-list strong {
    color: var(--color-text-primary);
}

.challenge-quote {
    font-style: italic;
    color: var(--color-text-secondary);
    border-left: 3px solid var(--color-accent);
    padding-left: var(--space-md);
    margin-top: var(--space-md);
}

.challenge-synthesis {
    background: var(--gradient-subtle);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    border: 2px solid var(--color-primary);
}

.challenge-synthesis h3 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.challenge-synthesis p {
    font-size: var(--font-size-lg);
    line-height: 1.6;
}

.challenge-synthesis em {
    font-weight: 600;
    color: var(--color-primary);
    font-style: normal;
}

/* ==========================================================================
   Solutions Section
   ========================================================================== */

.solutions-section {
    background: var(--gradient-page);
}

.solution-framework {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.framework-step {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base);
}

.framework-step:hover {
    box-shadow: var(--shadow-md);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--icon-size-lg);
    height: var(--icon-size-lg);
    background: var(--gradient-primary);
    color: white;
    border-radius: 50%;
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.framework-step h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.framework-step > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.framework-list {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
}

.framework-list li {
    padding-left: var(--space-lg);
    position: relative;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

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

.solution-differentiators {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
}

.solution-differentiators h3 {
    font-size: var(--font-size-xl);
    text-align: center;
    margin-bottom: var(--space-md);
}

.differentiator-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-md);
}

.differentiator {
    padding: var(--space-lg);
    background-color: var(--color-surface-elevated);
    border-radius: var(--border-radius-md);
}

.differentiator h4 {
    color: var(--color-primary);
    margin-bottom: var(--space-md);
    font-size: var(--font-size-lg);
}

.differentiator p {
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ==========================================================================
   Services Section - Card Layout
   ========================================================================== */

.services-section {
    background-color: white;
}

.services-cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
    margin-top: var(--space-xl);
}

.service-card {
    background: var(--color-secondary);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border: 2px solid transparent;
}

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

.service-card.k12 {
    border-color: var(--color-sector-k12);
}

.service-card.higher-ed {
    border-color: var(--color-sector-higher-ed);
}

.service-card.corporate {
    border-color: var(--color-sector-corporate);
}

.service-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.service-card-header svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary);
    flex-shrink: 0;
}

.service-card-header h3 {
    font-family: var(--font-display);
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    margin: 0;
}

.service-card-intro {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.service-card-list {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--space-lg) 0;
    flex-grow: 1;
}

.service-card-list li {
    position: relative;
    padding-left: var(--space-md);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.service-card-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 600;
}

.service-card-cta {
    display: inline-block;
    text-align: center;
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: background var(--transition-base);
}

.service-card-cta:hover {
    background: var(--color-primary-dark);
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Tablet breakpoint */
@media (min-width: 769px) and (max-width: 1024px) {
    .hero-stats {
        grid-template-columns: repeat(3, 1fr);
    }

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

@media (max-width: 768px) {
    .services-cards-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin-left: auto;
        margin-right: auto;
    }
}

/* Tablet adjustments */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }

    .hero-logo {
        order: -1;
        max-width: 300px;
        margin: 0 auto;
    }

    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }
}

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

    .scroll-indicator {
        display: none;
    }

    .service-content {
        grid-template-columns: 1fr;
    }

    .service-visual {
        position: static;
    }

    .hero-stats {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .challenge-card {
        padding: var(--space-lg);
    }

    .solution-framework {
        grid-template-columns: 1fr;
    }

    .framework-step {
        padding: var(--space-lg);
    }
}

/* ==========================================================================
   Impact Section
   ========================================================================== */

.impact-section {
    background: var(--gradient-page);
}

/* Experience Grid - Real Background Section */
.experience-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.experience-card {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
    border-top: 3px solid var(--color-primary);
}

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

.experience-icon {
    width: var(--icon-size-md);
    height: var(--icon-size-md);
    padding: var(--space-sm);
    background-color: var(--color-primary-subtle);
    border-radius: var(--border-radius-md);
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.experience-card h3 {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.experience-card p {
    color: var(--color-text-secondary);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

/* Credentials Bar */
.credentials-bar {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-lg);
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    flex-wrap: wrap;
}

.credential {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: var(--space-xs);
}

.credential strong {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    font-weight: 700;
}

.credential span {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

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

    .credentials-bar {
        flex-direction: column;
        align-items: center;
        gap: var(--space-lg);
    }
}

.impact-grid {
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-xl);
}

.impact-case {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
}

.case-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.k12-tag {
    background-color: var(--color-sector-k12-bg);
    color: var(--color-sector-k12-text);
}

.higher-ed-tag {
    background-color: var(--color-sector-higher-ed-bg);
    color: var(--color-sector-higher-ed-text);
}

.corporate-tag {
    background-color: var(--color-sector-corporate-bg);
    color: var(--color-sector-corporate-text);
}

.impact-case h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-md);
    line-height: 1.3;
}

.case-context {
    color: var(--color-text-secondary);
    font-style: italic;
    margin-bottom: var(--space-lg);
    padding: var(--space-md);
    background-color: var(--color-surface-elevated);
    border-radius: var(--border-radius-sm);
    line-height: 1.6;
}

.case-approach {
    margin-bottom: var(--space-lg);
}

.case-approach h4 {
    color: var(--color-primary);
    margin-bottom: var(--space-md);
}

.case-approach ul {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
}

.case-approach li {
    padding-left: var(--space-lg);
    position: relative;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.case-approach li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.case-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--gradient-subtle);
    border-radius: var(--border-radius-md);
}

.result-stat {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.result-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
}

.result-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.impact-principles {
    background-color: white;
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    border: 2px solid var(--color-primary);
}

.impact-principles h3 {
    font-size: var(--font-size-xl);
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.impact-principles > p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.principles-list {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
}

.principles-list li {
    padding-left: var(--space-lg);
    position: relative;
    color: var(--color-text-secondary);
}

.principles-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    top: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: white;
    border-radius: 50%;
    font-weight: 700;
}

.principles-list strong {
    color: var(--color-text-primary);
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about-section {
    background-color: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--space-lg);
    align-items: start;
}

.about-text h2 {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-md);
}

.about-intro {
    font-size: var(--font-size-lg);
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: var(--space-md);
}

.about-text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.about-values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: var(--space-md);
    margin-block: var(--space-lg);
}

.value {
    padding: var(--space-lg);
    background-color: var(--color-surface-elevated);
    border-radius: var(--border-radius-md);
    border-top: 3px solid var(--color-accent);
}

.value h4 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-lg);
}

.value p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.about-expertise {
    margin-top: var(--space-lg);
    padding: var(--space-md);
    background-color: var(--color-primary-subtle);
    border-radius: var(--border-radius-md);
}

.about-expertise h3 {
    color: var(--color-primary);
    margin-bottom: var(--space-sm);
}

.expertise-list {
    list-style: none;
    display: grid;
    gap: var(--space-sm);
}

.expertise-list li {
    padding-left: var(--space-lg);
    position: relative;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.expertise-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: 700;
}

.about-visual {
    position: sticky;
    top: var(--sticky-offset);
}

.about-image-wrapper {
    position: relative;
    padding: var(--space-lg);
    background: var(--gradient-about);
    border-radius: var(--border-radius-lg);
    margin-bottom: var(--space-md);
}

.about-logo {
    width: 100%;
    height: auto;
}

.leaf-accent {
    position: absolute;
    bottom: -10px;
    right: -10px;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(123, 165, 145, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    z-index: -1;
}

.about-location {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background-color: white;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.about-location svg {
    width: var(--icon-size-sm);
    height: var(--icon-size-sm);
    color: var(--color-primary);
}

.about-location span {
    font-weight: 600;
    color: var(--color-text-primary);
}

@media (max-width: 968px) {
    .about-content {
        grid-template-columns: 1fr;
    }

    .about-visual {
        position: static;
    }
}

/* ==========================================================================
   FAQ Section
   ========================================================================== */

.faq-section {
    background: var(--color-secondary);
    padding: var(--space-2xl) 0;
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-base), transform var(--transition-base);
    border-left: 4px solid var(--color-primary);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.faq-item h3 {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
    font-weight: 600;
    line-height: 1.3;
}

.faq-item p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

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

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-section {
    background: var(--gradient-contact);
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-lg);
    align-items: start;
}

.contact-text .section-eyebrow {
    color: var(--color-accent-light);
}

.contact-text h2 {
    font-family: var(--font-display);
    font-size: var(--font-size-2xl);
    color: white;
    margin-bottom: var(--space-sm);
}

.contact-text > p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--space-lg);
}

.contact-process h3 {
    color: white;
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.process-steps {
    list-style: none;
    counter-reset: step-counter;
    display: grid;
    gap: var(--space-lg);
    margin-bottom: var(--space-lg);
}

.process-steps li {
    counter-increment: step-counter;
    padding-left: 3.5rem;
    position: relative;
    line-height: 1.5;
}

.process-steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-accent);
    color: white;
    border-radius: 50%;
    font-weight: 700;
    font-size: var(--font-size-lg);
}

.process-steps strong {
    display: block;
    color: white;
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.process-steps span {
    display: block;
    color: rgba(255, 255, 255, 0.85);
}

.contact-pricing-hint {
    padding: var(--space-md);
    background-color: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--space-lg);
}

.contact-pricing-hint p {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--font-size-sm);
    line-height: 1.6;
}


.contact-form-wrapper {
    background-color: white;
    padding: var(--space-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Cal.com Calendar Embed */
.calendar-embed-wrapper {
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    height: 580px;
    max-height: 580px;
}

#cal-embed {
    width: 100%;
    height: 100%;
    overflow-y: auto;
}

@media (max-width: 768px) {
    .calendar-embed-wrapper {
        height: 600px;
        max-height: 600px;
    }
}

.contact-form {
    display: grid;
    gap: var(--space-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group label {
    font-weight: 600;
    color: var(--color-text-primary);
    font-size: var(--font-size-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--space-md);
    border: 2px solid var(--color-secondary-dark);
    border-radius: var(--border-radius-md);
    font-family: inherit;
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(61, 111, 137, 0.1);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error,
.form-group input[aria-invalid="true"],
.form-group select[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
    border-color: var(--color-error);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.error-message {
    display: none;
    color: var(--color-error);
    font-size: var(--font-size-sm);
    margin-top: var(--space-xs);
}

.error-message:not(:empty) {
    display: block;
}

#form-status {
    min-height: 1rem;
}

/* Button Sizing - Standard for Submit */
.submit-button {
    padding: var(--space-md) var(--space-xl);
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.submit-button:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.submit-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-privacy {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    text-align: center;
}

@media (max-width: 968px) {
    .contact-content {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Back to Top Button
   ========================================================================== */

.back-to-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: white;
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(100px);
    transition: all var(--transition-base);
    z-index: var(--z-back-to-top);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-4px);
}

.back-to-top svg {
    width: var(--icon-size-sm);
    height: var(--icon-size-sm);
}

/* ==========================================================================
   Footer
   ========================================================================== */

.main-footer {
    background-color: var(--color-text-primary);
    color: rgba(255, 255, 255, 0.8);
    padding-block: var(--space-2xl) var(--space-lg);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-xl);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

.footer-brand {
    max-width: 450px;
}

.footer-logo {
    height: var(--logo-height);
    width: auto;
    margin-bottom: var(--space-md);
}

.footer-brand > p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
}

.footer-location {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}

.footer-location svg {
    width: 16px;
    height: 16px;
}

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

.footer-cta p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-sm);
    font-size: var(--font-size-base);
}

.footer-cta-button {
    display: inline-block;
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-accent);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: background var(--transition-base), transform var(--transition-base);
}

.footer-cta-button:hover {
    background: var(--color-accent-dark);
    transform: translateY(-2px);
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-location {
        justify-content: center;
    }
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    font-size: var(--font-size-sm);
}


/* ==========================================================================
   Form Message Animations
   ========================================================================== */

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateY(0);
    }
    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

.form-message {
    animation: slideIn 0.3s ease-out;
}

.form-message--success {
    background-color: var(--color-success-bg);
    color: #065F46;
}

.form-message--error {
    background-color: var(--color-error-bg);
    color: #991B1B;
}

/* ==========================================================================
   Scroll-Driven Animations (Modern CSS Feature 2025)
   ========================================================================== */

@supports (animation-timeline: scroll()) {
    .challenge-card,
    .framework-step,
    .impact-case {
        animation: reveal-from-bottom linear both;
        animation-timeline: view();
        animation-range: entry 0% cover 30%;
    }

    @keyframes reveal-from-bottom {
        from {
            opacity: 0;
            transform: translateY(40px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* ==========================================================================
   Print Styles
   ========================================================================== */

@media print {
    nav, footer, .scroll-indicator, .hero-cta, .back-to-top {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
        color: black;
        background: white;
    }

    section {
        page-break-inside: avoid;
    }
}