/* Core Foundation (Mobile First, Dark Grey) */
:root {
    --bg-dark: #1a1a1a;
    --text-light: #e0e0e0;
    --accent: #f0a500;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

/* Sticky Nav */
nav {
    position: sticky;
    top: 0;
    background: #111;
    padding: 15px 0;
    z-index: 100;
    border-bottom: 1px solid #333;
}

nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: space-around;
}

nav a {
    color: var(--text-light);
    text-decoration: none;
    font-weight: bold;
    text-transform: uppercase;
    font-size: 0.9rem;
}

/* Layout */
main {
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
}

section {
    padding-top: 60px; /* Offset for sticky nav anchor jumps */
    margin-bottom: 50px;
}

/* Intro / About */
#about h1 {
    font-size: 2rem;
    color: var(--accent);
    margin-bottom: 10px;
}

.intro {
    font-size: 1.05rem;
    color: #ccc;
    border-left: 3px solid var(--accent);
    padding-left: 15px;
    margin-top: 0;
}

/* Timeline Buttons */
.timeline-btn {
    display: block;
    width: 100%;
    padding: 15px;
    margin: 10px 0;
    background: #333;
    color: white;
    border: none;
    border-radius: 5px;
    font-size: 1.2rem;
    font-weight: bold;
    cursor: pointer;
    text-align: left;
}

/* Drawers - Default Hidden State */
.drawer {
    display: none;
    margin-bottom: 20px;
}

.drawer.open {
    display: block;
}

.drawer-content {
    padding: 15px;
}

/* Skills & Contact */
.skills-list {
    padding-left: 20px;
}

.skills-list li {
    margin-bottom: 10px;
}

.phone-number {
    color: var(--accent);
    cursor: pointer;
    font-weight: bold;
    font-size: 1.1rem;
    user-select: all; /* Makes copying easier on desktop */
}

.linkedin-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: bold;
}

.linkedin-link:hover {
    text-decoration: underline;
}

.small-text {
    font-size: 0.8rem;
    color: #888;
}

/* =========================================
   THE "ERA VIBE" THEMES YOU ASKED FOR
   ========================================= */

/* 2020s: Modern Dark Mode */
.theme-2020 {
    background: #252525;
    border: 1px solid #444;
    border-radius: 8px;
    color: #fff;
}

/* 2010s: Web 2.0 Flat Light Mode */
.theme-2010 {
    background: #f4f4f4;
    color: #333;
    border-radius: 4px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

/* 2000s: Windows XP */
.theme-2000 {
    background: #ece9d8;
    color: #000;
    border: 3px solid #0054e3;
    border-top-left-radius: 8px;
    border-top-right-radius: 8px;
    font-family: Tahoma, sans-serif;
}
.theme-2000 h3 {
    background: linear-gradient(to right, #0058e6, #3a93ff);
    color: white;
    margin: -15px -15px 10px -15px;
    padding: 10px;
    border-top-left-radius: 4px;
    border-top-right-radius: 4px;
}

/* 1990s: Windows 95 */
.theme-1990 {
    background: #c0c0c0;
    color: #000;
    border-top: 2px solid #fff;
    border-left: 2px solid #fff;
    border-bottom: 2px solid #000;
    border-right: 2px solid #000;
    font-family: 'MS Sans Serif', Geneva, sans-serif;
}
.theme-1990 h3 {
    background: #000080;
    color: white;
    margin: -15px -15px 10px -15px;
    padding: 5px;
}

/* 1980s: MS-DOS Terminal */
.theme-1980 {
    background: #000;
    color: #0f0;
    border: 2px solid #0f0;
    font-family: 'Courier New', Courier, monospace;
}