/* ------------------ */
/* RESET + GLOBAL     */
/* ------------------ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Segoe UI", Arial, sans-serif;
    background: #f0f2f5;
    color: #222;
    line-height: 1.7;
    padding-bottom: 40px;
}

/* ------------------ */
/* HEADER             */
/* ------------------ */
header {
    background: linear-gradient(135deg, #4c6ef5, #3b5bdb);
    color: white;
    text-align: center;
    padding: 45px 20px;
}
.posts {
  display: grid;
  /* Automatically fits as many columns as possible (min 350px each) */
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 24px;
}
.post {
  padding: 0; /* Remove internal padding */
  display: flex;
  flex-direction: column;
}

.post img {
  width: 100%;
  height: 250px;
  object-fit: cover; /* This is crucial for wide-screen image consistency */
  border-radius: 12px 12px 0 0;
}

.post-content-inner {
  padding: 20px;
}

header h1 {
    font-size: 2rem;
    font-weight: 700;
}

/* ------------------ */
/* NAVBAR             */
/* ------------------ */
nav {
    background: white;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}

nav a {
    padding: 14px 22px;
    text-decoration: none;
    font-weight: 600;
    color: #444;
    transition: 0.3s;
}

nav a:hover {
    color: #4c6ef5;
    background: #edf0ff;
}

/* ------------------ */
/* MAIN CONTAINER     */
/* ------------------ */
.container {
    max-width: 900px;
    width: 90%;
    margin: 30px auto;
    background: white;
    padding: 35px;
    border-radius: 12px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.08);
}

/* ------------------ */
/* HEADINGS           */
/* ------------------ */
h2 {
    text-align: center;
    margin-bottom: 25px;
    font-size: 1.8rem;
    color: #333;
}

h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
    color: #444;
}

/* ------------------ */
/* CARD / BOX STYLES  */
/* ------------------ */
.course,
.lang,
.gadget,
.news,
.box {
    padding: 18px;
    background: #f7f8fa;
    border-radius: 10px;
    margin-bottom: 25px;
    border: 1px solid #e3e3e3;
    transition: 0.25s;
}

.course:hover,
.lang:hover,
.gadget:hover,
.news:hover,
.box:hover {
    background: #eef0ff;
    border-color: #d0d4ff;
    transform: translateY(-3px);
}

/* ------------------ */
/* FOOTER             */
/* ------------------ */
footer {
    margin-top: 40px;
    text-align: center;
    padding: 20px;
    background: #3b5bdb;
    color: white;
    font-size: 0.95rem;
}

/* ------------------ */
/* FORMS (Contact)    */
/* ------------------ */
form label {
    font-weight: 600;
    margin-bottom: 6px;
    display: block;
}

form input,
form textarea {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid #ccc;
    margin-bottom: 18px;
    font-size: 1rem;
}

form button {
    background: #4c6ef5;
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: 0.3s;
}

form button:hover {
    background: #364fc7;
}
/* Add this to your CSS */
[data-theme="dark"] {
  --bg: #0b1220;
  --card: #161f30;
  --muted: #9aa4b2;
  --text: #e6eef6;
  --primary: #6b8cff;
  --glass: rgba(15, 23, 42, 0.8);
  --shadow: 0 8px 30px rgba(2, 6, 23, 0.7);
}

/* Ensure the body uses the background variable */
body {
  background-color: var(--bg);
  color: var(--text);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Ensure cards use the card variable */
.card, .post, main, aside {
  background-color: var(--card);
  color: var(--text);
}

/* ------------------ */
/* RESPONSIVE DESIGN  */
/* ------------------ */
@media (max-width: 768px) {
    header {
        padding: 30px 15px;
    }

    header h1 {
        font-size: 1.6rem;
    }

    nav a {
        padding: 10px 15px;
        font-size: 0.9rem;
    }

    .container {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    nav {
        flex-direction: column;
        text-align: center;
    }

    nav a {
        padding: 12px;
        border-bottom: 1px solid #eee;
    }
}
/* Floating Theme Toggle */
.theme-toggle {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: var(--primary);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: transform 0.3s;
}
.theme-toggle:hover { transform: scale(1.1); }

/* Reveal Animation */
.reveal-effect {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}
.reveal-effect.visible {
    opacity: 1;
    transform: translateY(0);
}/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* Glassmorphism for Nav */
nav.primary {
    backdrop-filter: blur(10px);
    background: var(--glass);
    position: sticky;
    top: 0;
    z-index: 100;
}

/* Theme Toggle Button Style */
#themeToggle {
    cursor: pointer;
    background: var(--primary);
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 1.2rem;
    transition: transform 0.2s;
}

#themeToggle:hover {
    transform: scale(1.1);
}
/* Advanced Image Styling */
.card-img {
    width: 100%;
    height: 180px;
    object-fit: cover; /* Prevents stretching */
    border-radius: 8px 8px 0 0;
    transition: transform 0.5s ease;
}

.card {
    padding: 0 !important; /* Allow image to touch edges */
    overflow: hidden;
}

.card-body {
    padding: 20px;
}

.card:hover .card-img {
    transform: scale(1.05);
}
/* ====== ADVANCED GLOBAL STYLES ====== */
:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --muted: #6b7280;
    --text: #0f1724;
    --primary: #4c6ef5;
    --accent: #22c55e;
    --glass: rgba(255,255,255,0.6);
    --radius: 16px;
    --shadow: 0 12px 40px rgba(16,24,40,0.06);
    /* Change max-width to a percentage or larger value for full screen */
    --max-width: 95%;
}

[data-theme="dark"] {
    --bg: #0b1220;
    --card: rgba(15, 23, 42, 0.8);
    --text: #e6eef6;
    --primary: #6b8cff;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: background 0.5s ease;
}

/* Glassmorphism Effect */
.card, main, header {
    backdrop-filter: blur(12px);
    background: var(--card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
}

/* Image Hover Animation */
.card-img-container {
    overflow: hidden;
    border-radius: 12px 12px 0 0;
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:hover .card-img {
    transform: scale(1.1) rotate(1deg);
}

/* Reveal Animation Class */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}
/* ====== LAPTOP & DESKTOP OPTIMIZATIONS ====== */
@media (min-width: 1024px) {
    .container, .wrap {
        display: grid;
        grid-template-columns: 1fr 300px; /* Sidebar on the right */
        gap: 30px;
        max-width: 1200px;
        margin: 40px auto;
        padding: 0 20px;
    }

    /* Side-by-side post cards */
    .posts-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }

    /* Sticky Sidebar - stays in view while scrolling */
    .sidebar {
        position: sticky;
        top: 100px;
        height: fit-content;
    }

    /* Desktop Navigation */
    nav {
        justify-content: flex-start;
        padding: 0 10%;
    }

    /* Advanced Hover Effects for Mouse Users */
    .card {
        transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    }

    .card:hover {
        transform: translateY(-12px) scale(1.02);
        box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    }
}

/* Custom Scrollbar for Laptop Browsers */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg);
}
::-webkit-scrollbar-thumb {
    background: var(--primary);
    border-radius: 10px;
    border: 3px solid var(--bg);
}
:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --muted: #6b7280;
    --text: #0f1724;
    --primary: #4c6ef5;
    --accent: #22c55e;
    --glass: rgba(255,255,255,0.6);
    --radius: 16px;
    --shadow: 0 12px 40px rgba(16,24,40,0.06);
    /* Change max-width to a percentage or larger value for full screen */
    --max-width: 95%; 
}

/* Update the Wrap to handle ultra-wide screens */
.wrap {
    max-width: var(--max-width);
    margin: 20px auto;
    padding: 0 40px;
    display: grid;
    /* Increase gap for better spacing on large screens */
    grid-template-columns: 1fr 350px; 
    gap: 40px;
}

/* Ensure the background covers the full viewport height */
body {
    min-height: 100vh;
    background: var(--bg);
}
:root {
  --bg: #f4f7fb;
  --card: #ffffff;
  --muted: #6b7280;
  --text: #0f1724;
  --primary: #4c6ef5;
  --accent: #22c55e;
  --radius: 12px;
  --shadow: 0 8px 24px rgba(16,24,40,0.08);
}

/* THE MISSING PIECE: Dark Mode Definitions */
[data-theme="dark"] {
  --bg: #0b1220;
  --card: #0f1724;
  --muted: #9aa4b2;
  --text: #e6eef6;
  --primary: #6b8cff;
  --shadow: 0 8px 30px rgba(2, 6, 23, 0.7);
}

body {
  background-color: var(--bg);
  color: var(--text);
  transition: background-color 0.3s ease;
}
:root {
  /* ... existing variables ... */
  --bg: #f4f7fb;
  --text: #0f1724;
  
  /* NEW: Define base sizes */
  --font-main: 1.15rem;   /* Increased from default (~18px) */
  --font-h1: 3rem;       /* Large Hero Titles */
  --font-h2: 2.2rem;     /* Section Titles */
  --font-h3: 1.5rem;     /* Card Titles */
}

body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  
  /* Apply the increased text size here */
  font-size: var(--font-main); 
  line-height: 1.8; /* Increased spacing for easier reading */
}

/* Update Headings to match the new scale */
h1 { font-size: var(--font-h1); line-height: 1.2; margin-bottom: 1rem; }
h2 { font-size: var(--font-h2); margin-bottom: 0.8rem; }
h3 { font-size: var(--font-h3); }

/* Increase Nav Link size for laptop users */
nav a {
  font-size: 1.1rem;
  padding: 12px 20px;
}
/* Styling for the filter tags */
.filter-container {
    margin-bottom: 25px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border-radius: 30px;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--primary);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(76, 110, 245, 0.3);
}

/* Smoothly hide posts that don't match */
.post.hidden {
    display: none;
    opacity: 0;
    transform: scale(0.9);
}
:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #0f1724;
    --primary: #4c6ef5;
    /* Remove fixed pixel widths */
    --full-width: 100vw; 
}

[data-theme="dark"] {
    --bg: #0b1220;
    --card: #161f30;
    --text: #e6eef6;
}

/* Force the body to take up every pixel */
body, html {
    margin: 0;
    padding: 0;
    width: 100%;
    overflow-x: hidden; /* Prevent horizontal scroll bars */
    background-color: var(--bg);
}

/* The Main Wrapper: Now spans 100% of the screen */
.wrap {
    display: grid;
    grid-template-columns: 1fr 380px; /* Main content expands, Sidebar stays fixed */
    width: 100%;
    min-height: 100vh;
    gap: 0; /* Remove gaps between main and sidebar for a flush look */
}

/* Main Content Area */
main {
    padding: 40px;
    background-color: var(--bg);
}

/* Sidebar Area: Anchored to the right edge */
.sidebar {
    background-color: var(--card);
    border-left: 1px solid rgba(0,0,0,0.05);
    padding: 40px 20px;
    height: 100vh;
    position: sticky;
    top: 0;
}

[data-theme="dark"] .sidebar {
    border-left: 1px solid rgba(255,255,255,0.1);
}
.posts {
    display: grid;
    /* This will automatically create 2, 3, or 4 columns based on screen size */
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
    width: 100%;
}

.post {
    width: 100%; /* Ensure card fills its grid cell */
    margin: 0;
    border-radius: 16px;
    overflow: hidden;
}

.post img {
    width: 100%;
    height: 280px; /* Taller images for wide screens */
    object-fit: cover;
}
header {
    width: 100%;
    margin: 0;
    padding: 80px 40px;
    background: linear-gradient(135deg, var(--primary), #2b44b1);
    color: white;
    box-sizing: border-box;
}

nav {
    width: 100%;
    margin: 0;
    padding: 15px 40px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
:root {
    --bg: #f4f7fb;
    --card: #ffffff;
    --text: #0f1724;
    --primary: #4c6ef5;
    /* Use a percentage for true full-page scaling */
    --side-padding: 6%; 
}

[data-theme="dark"] {
    --bg: #0b1220;
    --card: #161f30;
    --text: #e6eef6;
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    overflow-x: hidden;
    width: 100%;
}

/* HEADER & NAV: Unified width */
header, nav {
    width: 100%;
    padding-left: var(--side-padding);
    padding-right: var(--side-padding);
}

header {
    background: linear-gradient(135deg, var(--primary), #2b44b1);
    padding-top: 60px;
    padding-bottom: 60px;
    color: white;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    background: var(--card);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

/* THE WRAPPER: Matches Nav exactly */
.wrap {
    display: grid;
    grid-template-columns: 1fr 350px; /* Adjust sidebar width as needed */
    width: 100%;
    padding: 40px var(--side-padding); /* Side padding matches Nav */
    gap: 40px;
}

/* For truly "Full Screen" remove max-widths from these classes */
main, .container {
    max-width: none !important; 
    width: 100%;
}
.posts {
    display: grid;
    /* This fills all available space with cards minimum 400px wide */
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 30px;
}

.post {
    background: var(--card);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.post img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}
:root {
    --side-padding: 6%; /* Controls the 'gutter' for the whole page */
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);
}

[data-theme="dark"] {
    --glass: rgba(15, 23, 42, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

/* The Glass Navbar */
nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    width: 100%;
    height: 75px;
    padding: 0 var(--side-padding); /* Matches the main content exactly */
    display: flex;
    justify-content: space-between;
    align-items: center;
    
    /* The Effect */
    background: var(--glass);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
}

/* Main Wrapper Alignment */
.wrap {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 350px;
    /* This padding MUST match the Nav padding */
    padding: 40px var(--side-padding); 
    gap: 40px;
}

/* Ensure no element spills over */
main, section, .posts {
    max-width: 100%;
}
/* The Shimmer Animation */
@keyframes shimmer {
    0% { background-position: -468px 0; }
    100% { background-position: 468px 0; }
}

.skeleton {
    background: #f6f7f8;
    background-image: linear-gradient(to right, #f6f7f8 0%, #edeef1 20%, #f6f7f8 40%, #f6f7f8 100%);
    background-repeat: no-repeat;
    background-size: 800px 104px;
    display: inline-block;
    position: relative;
    animation: shimmer 1.2s infinite linear;
    border-radius: 8px;
}

[data-theme="dark"] .skeleton {
    background: #1e293b;
    background-image: linear-gradient(to right, #1e293b 0%, #334155 20%, #1e293b 40%, #1e293b 100%);
}

/* Skeleton shapes to match your layout */
.skeleton-img { width: 100%; height: 250px; margin-bottom: 15px; }
.skeleton-text { width: 80%; height: 20px; margin-bottom: 10px; }
.skeleton-title { width: 40%; height: 30px; margin-bottom: 20px; }

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
    --primary: #6366f1; /* Modern Indigo */
    --accent: #10b981;  /* Success Green */
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1e293b;
    --nav-height: 72px;
    --glass: rgba(255, 255, 255, 0.75);
}

[data-theme="dark"] {
    --bg: #0f172a;
    --card: #1e293b;
    --text: #f1f5f9;
    --glass: rgba(15, 23, 42, 0.8);
}

body {
    font-family: 'Inter', sans-serif;
    letter-spacing: -0.01em;
}

/* 3D Hover Effect for Cards */
.post {
    border: 1px solid rgba(0,0,0,0.05);
    transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    background: var(--card);
}

.post:hover {
    transform: translateY(-8px) scale(1.01);
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    border-color: var(--primary);
}

/* Professional Gradient Text */
.logo, .hero-title {
    background: linear-gradient(to right, var(--primary), #a855f7);
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    display: none; /* Hidden by default */
    justify-content: center; align-items: center;
    z-index: 2000;
}

.modal-content {
    width: 90%; max-width: 800px; max-height: 85vh;
    padding: 40px; border-radius: 24px;
    overflow-y: auto; position: relative;
    background: var(--card); color: var(--text);
    border: 1px solid var(--glass-border);
    animation: modalScale 0.3s ease-out;
}

@keyframes modalScale {
    from { transform: scale(0.9); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.close-btn {
    position: absolute; top: 20px; right: 25px;
    font-size: 30px; background: none; border: none;
    color: var(--text); cursor: pointer;
}
.loader-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: linear-gradient(90deg, var(--primary), #a855f7);
    z-index: 10000;
    transition: width 0.4s cubic-bezier(0.1, 0.7, 1.0, 0.1);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}