/*
Theme Name: NishantMunjal Academic
Theme URI: https://nishantmunjal.com
Author: Dr. Nishant Munjal
Author URI: https://nishantmunjal.com
Description: A modern, professional academic portfolio theme for Dr. Nishant Munjal, Assistant Professor at Gurukula Kangri (Deemed to be University), Haridwar. Features a clean design optimized for showcasing research, publications, and academic achievements.
Version: 1.0.0
Requires at least: 5.0
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: nishantmunjal-academic
Tags: education, academic, portfolio, research, university, professional, clean, modern, responsive

This theme, like WordPress, is licensed under the GPL.
*/

:root {
    /* Primary Colors - Professional Academic Palette */
    --primary-color: #1e3a8a;
    /* Deep Blue */
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #059669;
    /* Academic Green */
    --accent-color: #f59e0b;
    /* Gold Accent */

    /* Neutral Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --border-color: #e5e7eb;

    /* Typography */
    --font-primary: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 5rem;
    /* Increased for airy feel */

    /* Shadows - softer and more diffuse */
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);

    /* Border Radius - smoother */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 250ms ease-in-out;
    --transition-slow: 350ms ease-in-out;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background-color: var(--bg-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

h1 {
    font-size: 3rem;
}

h2 {
    font-size: 2.25rem;
}

h3 {
    font-size: 1.875rem;
}

h4 {
    font-size: 1.5rem;
}

h5 {
    font-size: 1.25rem;
}

h6 {
    font-size: 1.125rem;
}

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

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

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

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-wide {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.container-narrow {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Header */
.site-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.site-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.site-title a {
    color: var(--primary-color);
}

.site-description {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* Navigation */
.mobile-menu-toggle {
    display: none;
}

.main-navigation ul {
    display: flex;
    gap: var(--spacing-md);
    /* Reduced gap to fit more items */
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
    /* Align items vertically */
}

/* Parent menu items relative positioning for dropdown */
.main-navigation ul li {
    position: relative;
    white-space: nowrap;
    /* Prevent breaking of top-level items */
}

.main-navigation a {
    text-decoration: none;
    display: inline-block;
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.main-navigation a:hover,
.main-navigation .current-menu-item>a,
.main-navigation a.current,
.main-navigation .current-menu-ancestor>a {
    background: var(--bg-tertiary);
    color: var(--primary-color);
}

/* Dropdown Menu Styles */
.main-navigation ul ul {
    position: absolute;
    top: 100%;
    left: 0;
    flex-direction: column;
    background: var(--bg-primary);
    box-shadow: var(--shadow-lg);
    min-width: 220px;
    padding: var(--spacing-xs) 0;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    visibility: hidden;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-base);
    z-index: 1000;
    gap: 0;
    /* Vertical list */
    align-items: flex-start;
    /* Left align sub items */
}

/* Show Dropdown on Hover */
.main-navigation ul li:hover>ul {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

/* Dropdown Links */
.main-navigation ul ul li {
    width: 100%;
}

.main-navigation ul ul a {
    display: block;
    width: 100%;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 0;
}

.main-navigation ul ul a:hover {
    background: var(--bg-tertiary);
}

/* Hero Section */
.hero-section {
    background: var(--bg-primary);
    color: var(--text-primary);
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--border-color);
}

.hero-content h1 {
    color: var(--text-primary);
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
}

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

/* Social Media Icons in Hero */
.hero-section a[title] {
    color: var(--text-secondary);
}

.hero-section a[title]:hover svg {
    opacity: 0.6;
    transform: translateY(-2px);
}

.hero-cta {
    display: inline-flex;
    gap: var(--spacing-md);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

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

/* Content Sections */
.content-section {
    padding: var(--spacing-2xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-title {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Cards */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 100%;
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
    border-color: transparent;
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.card-meta {
    font-size: 0.875rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
}

/* Footer */
.site-footer {
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-xl) 0 var(--spacing-md);
    margin-top: var(--spacing-2xl);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer-section h3 {
    color: white;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.footer-section a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.75rem;
    }

    .header-content {
        flex-direction: row;
        flex-wrap: wrap;
        gap: var(--spacing-sm);
        justify-content: space-between;
    }

    /* Mobile Menu Toggle */
    .mobile-menu-toggle {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        width: 30px;
        height: 21px;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        z-index: 1001;
    }

    .mobile-menu-toggle .bar {
        width: 100%;
        height: 3px;
        background-color: var(--text-primary);
        border-radius: 3px;
        transition: all 0.3s ease;
    }

    /* Mobile Menu active state animation */
    .mobile-menu-toggle.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }

    .mobile-menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }

    .main-navigation {
        display: none;
        flex-direction: column;
        width: 100%;
        position: absolute;
        top: 100%;
        left: 0;
        background: var(--bg-primary);
        padding: var(--spacing-md);
        box-shadow: var(--shadow-lg);
        border-top: 1px solid var(--border-color);
    }

    .main-navigation.active {
        display: block;
        /* Change from flex to block, UL will handle layout */
    }

    .main-navigation ul {
        flex-direction: column;
        gap: 0;
        width: 100%;
    }

    .main-navigation a {
        display: block;
        padding: var(--spacing-sm) 0;
        border-bottom: 1px solid var(--bg-tertiary);
        text-align: center;
        width: 100%;
    }

    /* Mobile Sub-menus */
    .main-navigation ul ul {
        position: static;
        box-shadow: none;
        border: none;
        visibility: visible;
        opacity: 1;
        transform: none;
        min-width: 0;
        padding: 0;
        background: transparent;
    }

    .main-navigation ul ul a {
        padding-left: var(--spacing-lg);
        /* Indent sub-menu items */
        font-size: 0.9em;
        color: var(--text-secondary);
    }

    .hero-content h1 {
        font-size: 2.5rem;
    }

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

    /* Profile photo section responsive */
    .content-section div[style*="grid-template-columns: 300px 1fr"] {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-lg) !important;
        text-align: center !important;
    }

    .content-section div[style*="grid-template-columns: 300px 1fr"] img {
        margin: 0 auto;
    }

    .content-section div[style*="grid-template-columns: 300px 1fr"] p {
        text-align: center !important;
    }

    /* Hero section with photo - mobile responsive */
    .hero-section div[style*="grid-template-columns: 1fr 350px"] {
        grid-template-columns: 1fr !important;
        gap: var(--spacing-lg) !important;
    }

    .hero-section .hero-content {
        text-align: center !important;
        order: 2;
    }

    .hero-section div[style*="text-align: center"] {
        order: 1;
    }

    .hero-section .hero-cta {
        justify-content: center !important;
        flex-direction: column;
        width: 100%;
    }

    .hero-section .hero-cta .btn {
        width: 100%;
    }

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

    .hero-section h2 {
        font-size: 0.95rem !important;
    }
}

/* Utility Classes */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

.mt-0 {
    margin-top: 0;
}

.mb-0 {
    margin-bottom: 0;
}

.hidden {
    display: none;
}

/* Custom Sensei Course Grid Overrides */
.sensei-course-list,
.course-container,
.wp-block-sensei-lms-course-theme-post,
.wp-block-sensei-lms-course-list {
    display: grid !important;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr)) !important;
    gap: 30px !important;
}

li.course,
.sensei-course-list > li,
.wp-block-sensei-lms-course-list .wp-block-post,
.wp-block-sensei-lms-course-list .course,
.wp-block-sensei-lms-course-theme-post,
article.type-course {
    width: 100% !important;
    display: flex !important;
    flex-direction: column;
    margin-bottom: 0 !important;
    height: 100%;
}

/* Ensure the course images fit well inside grid */
.sensei-course-list .course-image img,
.wp-block-sensei-lms-course-list img,
.wp-block-sensei-lms-course-theme-post img,
article.type-course img {
    width: 100% !important;
    height: auto;
    object-fit: cover;
    aspect-ratio: 16 / 9;
}

/* Push the continue button to bottom */
.wp-block-sensei-lms-course-list .wp-block-post > .wp-block-group,
.wp-block-sensei-lms-course-list .course > div,
article.type-course .entry-summary {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.wp-block-sensei-lms-button,
.sensei-course-list li footer,
article.type-course footer {
    margin-top: auto !important;
}

@media (max-width: 768px) {
    .sensei-course-list,
    .course-container,
    .wp-block-sensei-lms-course-theme-post,
    .wp-block-sensei-lms-course-list {
        grid-template-columns: 1fr !important;
    }
}