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

html, body {
    overflow-x: hidden;
    width: 100%;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--deep-dark);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-text);
    font-weight: var(--font-weight-bold);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: var(--font-size-h1);
}

h2 {
    font-size: var(--font-size-h2);
}

h3 {
    font-size: var(--font-size-h3);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-light);
}

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

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

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

/* Image optimization */
img[loading="lazy"] {
    opacity: 0;
    transition: opacity 0.3s;
    /* Force hardware acceleration for Chrome */
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

img[loading="lazy"].loaded {
    opacity: 1;
    transform: translateZ(0);
    -webkit-transform: translateZ(0);
}

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

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

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
}

/* Section */
section {
    padding: var(--spacing-xxxl) 0;
    opacity: 0;
    transform: translateY(20px) translateZ(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
    /* Force hardware acceleration for Chrome */
    -webkit-transform: translateY(20px) translateZ(0);
    -webkit-transition: opacity 0.6s ease-out, -webkit-transform 0.6s ease-out;
    will-change: opacity, transform;
}

/* Hero section should be visible immediately */
section#home {
    opacity: 1;
    transform: translateY(0) translateZ(0);
    -webkit-transform: translateY(0) translateZ(0);
    will-change: auto;
}

/* Show section when it comes into view */
section.fade-in {
    opacity: 1;
    transform: translateY(0) translateZ(0);
    -webkit-transform: translateY(0) translateZ(0);
    will-change: auto;
}

@media (max-width: 768px) {
    section {
        padding: var(--spacing-xxl) 0;
    }
}

@media (max-width: 480px) {
    section {
        padding: var(--spacing-xl) 0;
    }
}

.section__title {
    font-size: var(--font-size-h2);
    text-align: center;
    margin-bottom: var(--spacing-xxl);
    color: var(--color-text);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 32px;
    border-radius: 6px;
    font-weight: var(--font-weight-medium);
    text-align: center;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    font-size: var(--font-size-base);
    min-height: 44px;
}

@media (max-width: 480px) {
    .btn {
        min-height: 48px;
    }
}

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

.btn--primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}

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

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

/* Fade in animation - now handled by section transition above */
/* Keeping for backward compatibility if needed */
.fade-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}