/* ============================================
   Odex Air Website Styles
   Modern, Professional Design
   Mobile-First Responsive Approach
   ============================================ */

/* ============================================
   CSS VARIABLES & COLOR SCHEME
   ============================================ */
:root {
    /* Primary Colors */
    --primary-color: #0066CC;
    --primary-dark: #004C99;
    --primary-light: #3385D6;

    /* Secondary Colors */
    --secondary-color: #00A896;
    --secondary-dark: #008577;

    /* Neutral Colors */
    --dark: #1A1A1A;
    --dark-gray: #2D2D2D;
    --medium-gray: #666666;
    --light-gray: #E5E5E5;
    --off-white: #F7F7F7;
    --white: #FFFFFF;

    /* Semantic Colors */
    --success: #28A745;
    --warning: #FFC107;
    --error: #DC3545;
    --info: #17A2B8;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-headings: 'Poppins', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;

    /* Container */
    --container-width: 1200px;
}

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

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

body {
    font-family: var(--font-primary);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

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

.lead {
    font-size: 1.25rem;
    font-weight: 400;
    line-height: 1.7;
    color: var(--dark-gray);
}

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

a:hover {
    color: var(--primary-dark);
}

ul, ol {
    margin-bottom: var(--spacing-sm);
    padding-left: 1.5rem;
}

ul.check-list {
    list-style: none;
    padding-left: 0;
}

ul.check-list li {
    padding-left: 1.75rem;
    position: relative;
    margin-bottom: 0.5rem;
}

ul.check-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

strong {
    font-weight: 600;
}

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

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-md);
    }
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--medium-gray);
    margin-top: var(--spacing-sm);
}

.content-section {
    padding: var(--spacing-lg) 0;
    background-color: var(--white);
}

.content-section.bg-light {
    background-color: var(--off-white);
}

.two-col-layout {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    align-items: center;
}

@media (min-width: 768px) {
    .two-col-layout {
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-lg);
    }

    .two-col-layout.reverse {
        direction: rtl;
    }

    .two-col-layout.reverse > * {
        direction: ltr;
    }
}

.col-content {
    order: 1;
}

.col-image {
    order: 2;
}

.col-image img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem var(--spacing-sm);
}

.logo a {
    font-family: var(--font-headings);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--primary-color);
    text-decoration: none;
}

.nav-menu {
    display: none;
    list-style: none;
    gap: 2rem;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: var(--dark);
    font-weight: 500;
    text-decoration: none;
    padding: 0.5rem 0;
    transition: color var(--transition-fast);
}

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

.nav-menu a.cta-nav {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-md);
}

.nav-menu a.cta-nav:hover {
    background-color: var(--primary-dark);
    color: var(--white);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    box-shadow: var(--shadow-md);
    border-radius: var(--radius-md);
    min-width: 200px;
    padding: 0.5rem 0;
    list-style: none;
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.75rem 1.5rem;
}

.dropdown:hover .dropdown-menu {
    display: block;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 3px;
    background-color: var(--dark);
    transition: all var(--transition-normal);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(7px, 7px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

@media (min-width: 768px) {
    .nav-menu {
        display: flex;
    }

    .mobile-menu-toggle {
        display: none;
    }
}

/* Mobile Menu (when toggled) */
@media (max-width: 767px) {
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--white);
        box-shadow: var(--shadow-md);
        padding: 1rem;
        gap: 1rem;
    }

    .dropdown-menu {
        position: static;
        box-shadow: none;
        padding-left: 1rem;
    }
}

/* ============================================
   HERO SECTIONS
   ============================================ */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 76, 153, 0.8) 0%, rgba(0, 102, 204, 0.7) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
    padding: var(--spacing-md);
}

.hero-title {
    color: var(--white);
    margin-bottom: var(--spacing-md);
    animation: fadeInUp 0.8s ease;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1.2s ease 0.4s both;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    color: var(--white);
    animation: bounce 2s infinite;
}

.scroll-arrow {
    width: 30px;
    height: 30px;
    border-right: 2px solid var(--white);
    border-bottom: 2px solid var(--white);
    transform: rotate(45deg);
    margin: 0.5rem auto;
}

/* Page Hero (smaller hero for internal pages) */
.page-hero {
    position: relative;
    min-height: 40vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
    overflow: hidden;
}

.page-hero .hero-subtitle {
    color: var(--white);
}

.page-hero.hospitality-hero {
    background: linear-gradient(135deg, #004C99 0%, #0066CC 50%, #00A896 100%);
}

.page-hero.food-hero {
    background: linear-gradient(135deg, #2D2D2D 0%, #004C99 100%);
}

.page-hero.cannabis-hero {
    background: linear-gradient(135deg, #008577 0%, #00A896 100%);
}

.page-hero.about-hero,
.page-hero.services-hero,
.page-hero.faq-hero,
.page-hero.contact-hero {
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--primary-color) 100%);
}

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

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

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

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

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

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

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

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

/* ============================================
   CARDS & GRIDS
   ============================================ */
.problem-grid,
.industries-grid,
.difference-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

@media (min-width: 768px) {
    .problem-grid,
    .difference-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

.problem-card,
.industry-card,
.difference-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal);
}

.problem-card:hover,
.industry-card:hover,
.difference-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.problem-icon,
.difference-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
}

.industry-card {
    display: block;
    text-decoration: none;
    color: var(--dark);
    overflow: hidden;
}

.industry-image {
    width: 100%;
    height: 250px;
    overflow: hidden;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
    margin: calc(var(--spacing-md) * -1) calc(var(--spacing-md) * -1) var(--spacing-sm);
}

.industry-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.industry-card:hover .industry-image img {
    transform: scale(1.1);
}

.industry-link {
    color: var(--primary-color);
    font-weight: 600;
    margin-top: var(--spacing-sm);
    display: inline-block;
}

/* ============================================
   STATS SECTION
   ============================================ */
.stats-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
    color: var(--white);
    padding: var(--spacing-lg) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
    text-align: center;
}

@media (min-width: 768px) {
    .stats-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-number {
    font-family: var(--font-headings);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 1.125rem;
    opacity: 0.9;
}

/* ============================================
   CTA SECTION
   ============================================ */
.cta-section {
    background: linear-gradient(135deg, var(--dark-gray) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.cta-content h2 {
    color: var(--white);
    margin-bottom: var(--spacing-sm);
}

.cta-content p {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.95;
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--dark);
    color: var(--light-gray);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr 1fr;
    }
}

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

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

.footer ul li {
    margin-bottom: 0.5rem;
}

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

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

.footer-bottom {
    border-top: 1px solid var(--dark-gray);
    padding-top: var(--spacing-md);
    text-align: center;
    color: var(--medium-gray);
    font-size: 0.875rem;
}

/* ============================================
   FORMS
   ============================================ */
.contact-form {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-width: 900px;
    margin: var(--spacing-md) auto 0;
}

.form-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: 1fr 1fr;
    }
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.875rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: border-color var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.checkbox-group {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

@media (min-width: 768px) {
    .checkbox-group {
        grid-template-columns: 1fr 1fr;
    }
}

.checkbox-label {
    display: flex;
    align-items: center;
    font-weight: normal;
}

.checkbox-label input[type="checkbox"] {
    margin-right: 0.5rem;
    width: auto;
}

.checkbox-label.consent {
    margin-top: var(--spacing-sm);
}

.form-actions {
    text-align: center;
    margin-top: var(--spacing-md);
}

.form-note {
    font-size: 0.875rem;
    color: var(--medium-gray);
    margin-top: var(--spacing-sm);
}

.form-status {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    text-align: center;
}

.form-status.success {
    background-color: var(--success);
    color: var(--white);
}

.form-status.error {
    background-color: var(--error);
    color: var(--white);
}

/* Contact Options Grid */
.contact-options-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .contact-options-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.contact-option-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.contact-option-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    width: 80px;
    height: 80px;
    background-color: var(--primary-light);
    color: var(--primary-dark);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-sm);
}

.contact-link {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary-color);
    margin: var(--spacing-sm) 0;
}

.contact-link.emergency {
    color: var(--error);
}

.contact-note {
    font-size: 0.875rem;
    color: var(--medium-gray);
}

/* ============================================
   ACCORDION (FAQ)
   ============================================ */
.faq-accordion {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--white);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.faq-question:hover {
    background-color: var(--off-white);
}

.faq-question h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary-color);
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.faq-item.active .faq-answer {
    max-height: 2000px;
}

.faq-answer > * {
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.faq-section {
    margin-bottom: var(--spacing-xl);
}

.faq-section h2 {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 3px solid var(--primary-color);
}

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

@media (min-width: 768px) {
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.pricing-card {
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
    transition: all var(--transition-normal);
}

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

.pricing-card.featured {
    border: 3px solid var(--primary-color);
}

.featured-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--primary-color);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.875rem;
}

.pricing-header h3 {
    margin-bottom: var(--spacing-sm);
}

.price-range {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: var(--spacing-sm) 0;
}

.price-note {
    color: var(--medium-gray);
    font-size: 0.875rem;
}

.pricing-features {
    list-style: none;
    padding: var(--spacing-md) 0;
    text-align: left;
}

.pricing-features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--light-gray);
}

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

.pricing-note-text {
    text-align: center;
    color: var(--medium-gray);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
}

/* ============================================
   TESTIMONIALS
   ============================================ */
.testimonial-section {
    background-color: var(--off-white);
    padding: var(--spacing-xl) 0;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

@media (min-width: 768px) {
    .testimonial-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.testimonial-card {
    background-color: var(--white);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.testimonial-stars {
    color: #FFC107;
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.testimonial-author {
    font-weight: 600;
    color: var(--primary-color);
}

/* ============================================
   PROCESS TIMELINE
   ============================================ */
.process-timeline {
    max-width: 800px;
    margin: var(--spacing-lg) auto;
}

.timeline-item {
    display: grid;
    grid-template-columns: 60px 1fr;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    position: relative;
}

.timeline-item:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 30px;
    top: 60px;
    width: 2px;
    height: calc(100% + var(--spacing-lg));
    background-color: var(--light-gray);
}

.timeline-number {
    width: 60px;
    height: 60px;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

/* ============================================
   IMAGE PLACEHOLDERS
   ============================================ */
img[src*="images/"] {
    background-color: var(--light-gray);
    background-image: linear-gradient(45deg, var(--off-white) 25%, transparent 25%, transparent 75%, var(--off-white) 75%),
                      linear-gradient(45deg, var(--off-white) 25%, transparent 25%, transparent 75%, var(--off-white) 75%);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.mt-4 { margin-top: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-lg); }
.note { font-size: 0.875rem; color: var(--medium-gray); }

/* ============================================
   RESPONSIVE UTILITIES
   ============================================ */
@media (max-width: 767px) {
    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 4rem;
    }

    .hero {
        min-height: 70vh;
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
    .navbar,
    .cta-section,
    .footer,
    .mobile-menu-toggle,
    .scroll-indicator {
        display: none;
    }
}