/* StarSync Base Styles */

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

/* Page transition animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#main-content {
    animation: fadeInUp 0.4s ease-out;
}

html, body {
    background-color: var(--bg-primary);
    min-height: 100vh;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--text-primary);
    background: transparent;
}

/* Animated Background Canvas */
#canvas-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    background: transparent;
}

/* Ensure content appears above background */
#main-content,
header,
footer {
    position: relative;
    z-index: 1;
}

/* Header */
header {
    position: sticky;
    top: 0;
    background-color: rgba(var(--bg-secondary-rgb), 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-icon {
    width: 32px;
    height: 32px;
    transition: transform 0.3s ease;
}

.logo-text {
    display: inline-block;
}

/* Logo canvas - full animation from Final_Logo_Animation.html */
#logo-canvas {
    border-radius: 50%;
}

.logo:hover .logo-icon {
    transform: rotate(360deg);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

/* Nav Dropdown */
.nav-dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: rgba(var(--bg-secondary-rgb), 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    min-width: 220px;
    width: max-content;
    padding: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    list-style: none;
    margin-top: 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow: hidden;
}

.nav-dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
    margin: 0;
}

.dropdown-menu a {
    display: block;
    padding: 0.35rem 1.2rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
    line-height: 1.2;
}

.dropdown-menu a:hover {
    background-color: rgba(55, 181, 254, 0.1);
    color: var(--accent-primary);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 0;
}

/* Theme Toggle Button & Motion Toggle Button - Shared styles */
#btn-theme-toggle,
#btn-motion-toggle {
    background: none;
    border: 1.5px solid var(--border-color);
    border-radius: 4px;
    padding: 0.35rem 0.55rem;
    cursor: pointer;
    font-size: 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

#btn-theme-toggle:hover,
#btn-motion-toggle:hover {
    border-color: var(--accent-primary);
    background: rgba(var(--bg-secondary-rgb), 0.5);
    transform: scale(1.05);
}

#icon-theme-toggle,
#icon-motion-toggle {
    display: inline-block;
    transition: transform 0.3s ease;
}

#btn-theme-toggle:hover #icon-theme-toggle {
    transform: rotate(20deg);
}

#btn-motion-toggle:hover #icon-motion-toggle {
    transform: scale(1.2);
}

/* Motion reduced state - visual indicator */
#btn-motion-toggle[data-motion="reduced"] {
    border-color: var(--starsync-red);
}

#btn-motion-toggle[data-motion="reduced"] #icon-motion-toggle {
    opacity: 0.5;
}

/* Hero Section */
.hero {
    padding: 6rem 2rem;
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(45deg, var(--starsync-cyan), var(--starsync-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.8;
}

/* CTA Button */
.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    background-color: var(--accent-secondary);
    color: var(--button-text);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    background-color: var(--accent-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(55, 181, 254, 0.3);
}

.cta-button:active {
    transform: translateY(0);
}

/* Cards Grid */
.cards-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    text-align: center;
    padding: 2.5rem;
    background-color: rgba(var(--bg-secondary-rgb), 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
}

.card:hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--accent-primary), var(--success-accent));
}

.card h3 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 1.2rem;
}

.card p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Service Detail Cards (Services Page) - Match card hover behavior */
.service-detail {
    text-align: center;
    padding: 2.5rem;
    background-color: rgba(var(--bg-secondary-rgb), 0.4);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.service-detail:hover {
    transform: translateY(-5px);
    border-color: var(--accent-primary);
}

.service-detail:hover::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(to right, var(--accent-primary), var(--success-accent));
}

.service-detail h3 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    color: var(--accent-primary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 1.2rem;
}

.service-detail p {
    color: var(--text-secondary);
    line-height: 1.7;
}

/* Section Headers */
.section-header {
    font-family: var(--font-heading);
    text-align: center;
    font-size: 2.5rem;
    margin: 4rem 0 3rem;
    background: linear-gradient(45deg, var(--starsync-cyan), var(--starsync-purple));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Project Cards with Tags */
.project-card {
    position: relative;
    display: flex;
    flex-direction: column;
}

.project-card > p {
    flex-grow: 0;
}

.project-card > div:not(:last-child) {
    flex-grow: 1;
}

.project-card > div:last-child {
    margin-top: auto;
    padding-top: 1rem;
}

.project-tag {
    display: inline-block;
    padding: 0.4rem 0.8rem;
    background-color: rgba(55, 181, 254, 0.2);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 3px;
    margin-bottom: 1rem;
}

.project-button {
    display: inline-block;
    padding: 0.7rem 1.5rem;
    margin-top: 1rem;
    background-color: transparent;
    color: var(--accent-primary);
    text-decoration: none;
    border: 2px solid var(--accent-primary);
    border-radius: 5px;
    transition: all 0.3s ease;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}

.project-button:hover {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
}

/* API Access buttons - Special hover (cyan → purple) */
#btn-project-dob-gen-api,
#btn-project-json-csv-api {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

#btn-project-dob-gen-api:hover,
#btn-project-json-csv-api:hover {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
    color: var(--button-text);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(140, 82, 255, 0.4);
}

/* Footer */
footer {
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    color: var(--text-secondary);
    padding: 2rem 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
    margin-top: 3rem;
}

/* Responsive */
@media (max-width: 768px) {
    nav ul {
        display: none;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .cards-grid {
        grid-template-columns: 1fr;
    }
}

/* Global transitions */
* {
    transition-property: background-color, border-color, color, box-shadow, transform;
    transition-duration: 0.3s;
    transition-timing-function: ease;
}