/*
Theme Name: WorawitTech
Theme URI: https://worawit-tech.com
Author: Worawit (Cat)
Author URI: https://worawit-tech.com
Description: A premium, fast, responsive portfolio and blog theme for System Engineers and DevSecOps professionals. Featuring deep dark mode, glassmorphism, and accent gradients.
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: worawittech
*/

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&family=Prompt:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables & Design System --- */
:root {
    --bg-dark: #090d16;
    --bg-card: rgba(20, 28, 47, 0.65);
    --border-color: rgba(255, 255, 255, 0.08);
    --accent-emerald: #10b981;
    --accent-cyan: #06b6d4;
    --accent-indigo: #6366f1;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --font-heading: 'Outfit', 'Prompt', sans-serif;
    --font-body: 'Outfit', 'Prompt', sans-serif;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-lg: 16px;
    --radius-md: 8px;
    --shadow-neon: 0 0 20px rgba(6, 182, 212, 0.15);
}

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

html {
    scroll-behavior: smooth;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
}

body {
    background-color: var(--bg-dark);
    overflow-x: hidden;
    position: relative;
}

/* Background glowing blobs */
body::before, body::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    filter: blur(130px);
    z-index: -1;
    opacity: 0.25;
}

body::before {
    top: 10%;
    left: -100px;
    background: var(--accent-indigo);
}

body::after {
    top: 50%;
    right: -100px;
    background: var(--accent-cyan);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.25;
    color: var(--text-primary);
    margin-bottom: 0.5em;
}

a {
    color: var(--accent-cyan);
    text-decoration: none;
    transition: var(--transition-smooth);
}

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

/* --- Layout --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

/* Header & Navigation */
.site-header {
    background: rgba(9, 13, 22, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 1rem 0;
}

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

.site-logo a {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.03em;
}

.main-navigation > div > ul,
.main-navigation > ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1.8rem;
    margin: 0;
    padding: 0;
}

.main-navigation li {
    position: relative;
}

.main-navigation a {
    color: var(--text-secondary);
    font-weight: 500;
    padding: 0.5rem 0;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition-smooth);
}

.main-navigation a:hover,
.main-navigation li.active > a {
    color: var(--text-primary);
}

.main-navigation li.active > a {
    color: var(--accent-cyan);
}

/* Sub-menu (Dropdown) Styling */
.main-navigation ul .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 220px;
    background: rgba(14, 20, 33, 0.95);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.6rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.5), 0 0 15px rgba(6, 182, 212, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition-smooth);
    z-index: 1001;
    list-style: none;
}

.main-navigation ul .menu-item-has-children:hover > .sub-menu,
.main-navigation ul .menu-item-has-children:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.main-navigation .sub-menu li {
    width: 100%;
}

.main-navigation .sub-menu a {
    width: 100%;
    padding: 0.6rem 0.9rem;
    border-radius: var(--radius-md);
    font-size: 0.92rem;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.main-navigation .sub-menu a:hover {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-primary);
    transform: translateX(4px);
}

/* Caret icon for dropdown parent */
.main-navigation .menu-item-has-children > a::after {
    content: '';
    display: inline-block;
    width: 5px;
    height: 5px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(45deg);
    margin-left: 4px;
    margin-bottom: 2px;
    transition: var(--transition-smooth);
}

.main-navigation .menu-item-has-children:hover > a::after {
    transform: rotate(-135deg);
    color: var(--accent-cyan);
}

/* Hero Section */
.hero-section {
    padding: 8rem 0 6rem;
    text-align: center;
    position: relative;
}

.hero-subtitle {
    font-size: 1.1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
    display: inline-block;
}

.hero-title {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #ffffff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-title span {
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

/* Custom Button */
.btn-gradient {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-indigo));
    color: white;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition-smooth);
    box-shadow: 0 4px 14px rgba(6, 182, 212, 0.2);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6, 182, 212, 0.35);
    color: white;
}

/* Sections */
.section-title {
    text-align: center;
    font-size: 2.25rem;
    margin-bottom: 3rem;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(to right, var(--accent-cyan), var(--accent-emerald));
    margin: 0.75rem auto 0;
    border-radius: 2px;
}

/* Grid & Cards (Glassmorphism) */
.skills-grid, .portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 5rem;
}

.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem 2rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--accent-cyan), var(--accent-emerald));
    opacity: 0;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-neon);
}

.glass-card:hover::before {
    opacity: 1;
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-cyan);
}

.card-title {
    font-size: 1.35rem;
    margin-bottom: 1rem;
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Skill Tags */
.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.tag {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50px;
    padding: 0.25rem 0.75rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

/* Blog Section */
.blog-section {
    padding: 5rem 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-neon);
    border-color: rgba(255, 255, 255, 0.15);
}

.blog-img {
    height: 200px;
    background: linear-gradient(135deg, rgba(6, 182, 212, 0.1), rgba(99, 102, 241, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    border-bottom: 1px solid var(--border-color);
}

.blog-img svg {
    width: 64px;
    height: 64px;
    opacity: 0.6;
    color: var(--accent-cyan);
}

.blog-content {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    display: flex;
    gap: 1rem;
}

.blog-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    line-height: 1.35;
}

.blog-excerpt {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.blog-readmore {
    font-size: 0.9rem;
    font-weight: 600;
    align-self: flex-start;
}

/* Single Post page template */
.post-header {
    padding: 5rem 0 3rem;
    text-align: center;
}

.post-title {
    font-size: 2.75rem;
    margin-bottom: 1.5rem;
}

.post-meta {
    color: var(--text-secondary);
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    font-size: 0.95rem;
}

.post-content {
    max-width: 800px;
    margin: 0 auto 5rem;
    padding: 0 1.5rem;
    color: #e2e8f0;
    font-size: 1.1rem;
    line-height: 1.8;
}

.post-content p {
    margin-bottom: 1.5rem;
}

.post-content h2, .post-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.post-content pre {
    background: #0f172a;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    overflow-x: auto;
    font-family: monospace;
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.post-content code {
    background: rgba(255, 255, 255, 0.08);
    padding: 0.2rem 0.4rem;
    border-radius: 4px;
    font-size: 0.9em;
    font-family: monospace;
}

.post-content pre code {
    background: none;
    padding: 0;
    font-size: 1em;
}

/* Footer styling */
.site-footer {
    border-top: 1px solid var(--border-color);
    padding: 3rem 0;
    background: #060910;
    color: var(--text-secondary);
    text-align: center;
    font-size: 0.9rem;
}

.footer-socials {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.footer-socials a {
    color: var(--text-muted);
    font-size: 1.25rem;
}

.footer-socials a:hover {
    color: var(--accent-cyan);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .header-container {
        flex-direction: row;
        justify-content: space-between;
        flex-wrap: wrap;
        width: 100%;
    }
    
    .menu-toggle {
        display: block !important;
    }
    
    .main-navigation {
        display: none;
        width: 100%;
        margin-top: 1rem;
    }
    
    .main-navigation.toggled {
        display: block;
    }
    
    .main-navigation > div > ul,
    .main-navigation > ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.8rem;
        width: 100%;
        background: rgba(15, 23, 42, 0.95);
        border: 1px solid var(--border-color);
        padding: 1.5rem;
        border-radius: var(--radius-md);
    }

    .main-navigation ul .sub-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.03);
        border: none;
        padding-left: 1rem;
        margin-top: 0.3rem;
        width: 100%;
    }
    
    .post-title {
        font-size: 2rem;
    }
}