:root {
    /* Color Palette */
    --deep-navy: #5A9BD5;
    /* Main Sky Blue baseline */
    --deep-navy-light: #85BBE0;
    /* Lighter Sky Blue for highlights */
    --emerald-green: #70C3F1;
    /* Very light airy sky blue for buttons/accents */
    --emerald-green-hover: #5BA9D5;
    /* Hover sky blue */
    --gold-accent: #FFD166;
    /* Soft bright gold accent */
    --gold-accent-hover: #EBB63F;
    /* Gold accent hover */
    --light-gray: #F0F6FA;
    /* Extremely soft blue-tinted white for backgrounds */
    --charcoal: #2A3644;
    /* Deep slate gray for body text */
    --charcoal-light: #526375;
    /* Medium slate gray for descriptions */
    --white: #ffffff;
    --navy-transparent: rgba(90, 155, 213, 0.95);
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.25);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --section-pad: 5rem 0;
    --spacing-1: 0.5rem;
    --spacing-2: 1rem;
    --spacing-3: 1.5rem;
    --spacing-4: 2rem;
    --spacing-5: 3rem;
    --spacing-6: 5rem;
    --spacing-7: 8rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-slow: 0.6s cubic-bezier(0.22, 1, 0.36, 1);

    /* Box Shadow */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

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

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

body {
    font-family: var(--font-body);
    color: var(--charcoal);
    background-color: var(--white);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--deep-navy);
    line-height: 1.2;
    margin-bottom: var(--spacing-3);
    font-weight: 700;
}

p {
    margin-bottom: var(--spacing-3);
    color: var(--charcoal-light);
    font-size: 1.125rem;
}

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

ul {
    list-style: none;
}

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

/* Layout Classes */
.container {
    width: 90%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-2);
}

section {
    padding: var(--section-pad);
}

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

.bg-navy {
    background-color: var(--deep-navy);
    color: var(--white);
}

.bg-navy h1,
.bg-navy h2,
.bg-navy h3,
.bg-navy h4,
.bg-navy p {
    color: var(--white);
}

.bg-green {
    background-color: var(--emerald-green);
    color: var(--white);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 1.8rem;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
    text-align: center;
}

.btn-primary {
    background-color: var(--emerald-green);
    color: var(--white);
    box-shadow: 0 4px 14px 0 rgba(46, 139, 87, 0.39);
}

.btn-primary:hover {
    background-color: var(--emerald-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(46, 139, 87, 0.4);
    color: var(--white);
}

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

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

.btn-gold {
    background-color: var(--gold-accent);
    color: var(--deep-navy);
}

.btn-gold:hover {
    background-color: var(--gold-accent-hover);
    transform: translateY(-2px);
}

/* Base Nav (Will be expanded later) */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: all var(--transition-medium);
    padding: 1.5rem 0;
    background-color: var(--deep-navy);
    box-shadow: var(--shadow-sm);
}

.navbar.scrolled {
    padding: 0.8rem 0;
    background-color: var(--navy-transparent);
    backdrop-filter: blur(10px);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--white);
    letter-spacing: 1px;
}

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

/* Animations Classes (for JS IntersectionObserver) */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 {
    transition-delay: 0.1s;
}

.delay-200 {
    transition-delay: 0.2s;
}

.delay-300 {
    transition-delay: 0.3s;
}