:root {
    /* Colors - Dark Premium Theme */
    --bg-gradient-start: #0f172a;
    /* Slate 900 */
    --bg-gradient-end: #1e293b;
    /* Slate 800 */
    --primary-bg: #0f172a;
    --section-alt: #1e293b;
    --card-bg: rgba(30, 41, 59, 0.7);
    /* Dark Glass */
    --primary-text: #f8fafc;
    /* Slate 50 */
    --secondary-text: #cbd5e1;
    /* Slate 300 */
    --primary-accent: #38bdf8;
    /* Sky 400 */
    --accent-gradient: linear-gradient(135deg, #38bdf8, #818cf8);
    /* Sky to Indigo */
    --hover-accent: #0ea5e9;
    /* Sky 500 */
    --soft-glow: rgba(56, 189, 248, 0.15);
    --border-color: rgba(255, 255, 255, 0.1);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.3);

    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-heading: 'EarthTone', serif;
    --h1-size: 56px;
    --h2-size: 38px;
    --h3-size: 24px;
    --body-size: 16px;

    /* Spacing & Layout */
    --container-width: 1200px;
    --header-height: 80px;
    --section-spacing: 60px;
    --border-radius: 12px;
    --transition-speed: 0.3s;
}

@font-face {
    font-family: 'EarthTone';
    src: url('../resources/fonts/EarthTone-Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background: linear-gradient(to bottom, var(--bg-gradient-start), var(--bg-gradient-end));
    color: var(--primary-text);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Typography */
h1,
h2,
h3 {
    font-family: var(--font-heading);
}

h1 {
    font-size: var(--h1-size);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1px;
}

h2 {
    font-size: var(--h2-size);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--primary-text);
    letter-spacing: -0.5px;
}

h3 {
    font-size: var(--h3-size);
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--primary-text);
}

p {
    font-size: var(--body-size);
    color: var(--secondary-text);
    margin-bottom: 1rem;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.section-title {
    text-align: center;
    margin: 0 auto 3rem;
    position: relative;
    display: block;
    z-index: 1;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-gradient);
    margin: 10px auto 0;
    border-radius: 2px;
}

.btn {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    /* More rounded for modern look */
    font-weight: 600;
    transition: all var(--transition-speed) ease;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-size: 0.9rem;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #0f172a;
    /* Dark text on bright button */
    box-shadow: 0 4px 14px var(--soft-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(56, 189, 248, 0.4);
}

.btn-outline {
    border: 2px solid var(--primary-accent);
    color: var(--primary-accent);
    background: transparent;
}

.btn-outline:hover {
    background: var(--soft-glow);
    transform: translateY(-2px);
    color: white;
}

/* Loader */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--section-alt);
    border-top: 4px solid var(--primary-accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Section Padding */
section {
    padding: var(--section-spacing) 0;
}

section:nth-child(even) {
    background-color: var(--section-alt);
}