/* ========================================
   Common Styles - Atharva Tilewale Portfolio
   ======================================== */

/* Google Fonts Import - Orbitron for Logo (Futuristic/Sci-Fi) */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@700;900&display=swap');

/* CSS Variables - Dark Theme (Default) */
:root {
    --primary-color: #00f5c3;
    --primary-hover: #00d4a8;
    --dark-bg: #121828;
    --light-bg: #1a2238;
    --card-bg: #1a2238;
    --text-color: #d0d2d6;
    --card-text-color: #babfca;
    --heading-color: #ffffff;
    --border-color: #2a3457;
    --error-color: #ff6b6b;
    --success-color: #00f5c3;
    --font-mono: 'Source Code Pro', monospace;
    --font-logo: 'Orbitron', sans-serif;
    --font-sans: 'Poppins', sans-serif;
    --navbar-bg: rgba(18, 24, 40, 0.95);
    --shadow-color: rgba(0, 0, 0, 0.3);
}

/* Light Theme */
[data-theme="light"] {
    --primary-color: #00c9a0;
    --primary-hover: #00a883;
    --dark-bg: #f5f7fa;
    --light-bg: #ffffff;
    --card-bg: #ffffff;
    --text-color: #4a5568;
    --card-text-color: #718096;
    --heading-color: #1a202c;
    --border-color: #e2e8f0;
    --navbar-bg: rgba(255, 255, 255, 0.95);
    --shadow-color: transparent;
}

/* Theme Toggle Button */
.theme-toggle {
    background: transparent;
    border: 2px solid var(--border-color);
    border-radius: 50px;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    margin-left: 1rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.theme-toggle:hover {
    border-color: var(--primary-color);
}

.theme-toggle i {
    font-size: 1rem;
    transition: all 0.3s ease;
}

.theme-toggle .fa-moon {
    color: var(--text-color);
}

.theme-toggle .fa-sun {
    color: transparent;
}

[data-theme="light"] .theme-toggle .fa-moon {
    color: transparent;
}

[data-theme="light"] .theme-toggle .fa-sun {
    color: #f6ad55;
}

/* Base Styles */
body {
    background-color: var(--dark-bg);
    color: var(--text-color);
    font-family: var(--font-sans);
    line-height: 1.7;
}

::selection {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

/* Navigation */
.navbar-custom {
    background-color: var(--navbar-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar-custom .navbar-brand {
    font-family: var(--font-logo);
    font-weight: 900;
    font-size: 1.4rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, #00e0b0 50%, #00d4ff 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-custom .navbar-brand:hover {
    background: linear-gradient(135deg, #00d4ff 0%, var(--primary-color) 50%, #00e0b0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    transform: scale(1.05);
    filter: drop-shadow(0 0 8px rgba(0, 245, 195, 0.5));
}

.navbar-custom .nav-link {
    color: var(--text-color);
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
    color: var(--primary-color);
}

.navbar-toggler {
    border-color: var(--border-color);
    padding: 0.4rem 0.6rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
    border-color: var(--primary-color);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28208, 210, 214, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    width: 1.25em;
    height: 1.25em;
}

/* Mobile Menu Styles */
@media (max-width: 991.98px) {
    .navbar-collapse {
        background-color: var(--navbar-bg);
        border: 1px solid var(--border-color);
        border-radius: 12px;
        margin-top: 1rem;
        padding: 1rem;
        box-shadow: 0 10px 30px var(--shadow-color);
    }

    .navbar-nav {
        gap: 0.25rem;
    }

    .navbar-custom .nav-link {
        padding: 0.75rem 1rem;
        border-radius: 8px;
        margin: 0;
    }

    .navbar-custom .nav-link:hover,
    .navbar-custom .nav-link.active {
        background-color: rgba(0, 245, 195, 0.1);
    }

    .theme-toggle {
        margin: 0.5rem 0 0 0.8rem;
        padding: 0.1rem 0.3rem;
    }
}

/* Sections */
.section {
    padding: 5rem 1rem;
}

.section-title {
    font-weight: 700;
    color: var(--heading-color);
    margin-bottom: 1rem;
}

.section-subtitle {
    color: var(--text-color);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* Page Header */
.page-header {
    padding: 6rem 1rem 4rem;
    text-align: center;
    background: linear-gradient(180deg, rgba(26, 34, 56, 0.8) 0%, var(--dark-bg) 100%);
}

[data-theme="light"] .page-header {
    background: linear-gradient(180deg, rgba(229, 231, 235, 0.8) 0%, var(--dark-bg) 100%);
}

.page-header h1 {
    font-family: var(--font-mono);
    font-size: clamp(2rem, 5vw, 3rem);
    color: var(--heading-color);
    font-weight: 700;
}

.page-header h1 .highlight {
    color: var(--primary-color);
}

/* Buttons */
.btn-custom {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-block;
}

.btn-custom:hover {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

.btn-custom.btn-filled {
    background-color: var(--primary-color);
    color: var(--dark-bg);
}

.btn-custom.btn-filled:hover {
    background-color: transparent;
    color: var(--primary-color);
}

/* Cards */
.card-custom {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    height: 100%;
    transition: all 0.3s ease;
}

.card-custom:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 245, 195, 0.1);
}

/* Tags */
.tag {
    background-color: var(--dark-bg);
    color: var(--primary-color);
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-family: var(--font-mono);
    font-size: 0.75rem;
    border: 1px solid var(--border-color);
    display: inline-block;
}

/* CTA Section */
.cta-section {
    background: linear-gradient(135deg, var(--light-bg) 0%, rgba(0, 245, 195, 0.05) 100%);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    text-align: center;
}

.cta-section h3 {
    color: var(--heading-color);
    margin-bottom: 1rem;
}

.cta-section p {
    color: var(--card-text-color);
    max-width: 600px;
    margin: 0 auto 1.5rem;
}

/* Footer */
.site-footer {
    background-color: var(--light-bg);
    text-align: center;
    padding: 3rem 1rem;
    border-top: 1px solid var(--border-color);
}

.site-footer .social-links a {
    color: var(--text-color);
    font-size: 1.5rem;
    margin: 0 0.75rem;
    transition: color 0.3s ease;
}

.site-footer .social-links a:hover {
    color: var(--primary-color);
}

.site-footer .text-muted-custom {
    color: var(--text-color);
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Form Elements */
.form-control-custom {
    background-color: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    color: var(--text-color);
    font-family: var(--font-sans);
    transition: all 0.3s ease;
}

.form-control-custom:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 245, 195, 0.1);
}

.form-control-custom::placeholder {
    color: var(--card-text-color);
}

/* Status Messages */
.form-status {
    padding: 1rem;
    border-radius: 8px;
    margin-top: 1rem;
    display: none;
}

.form-status.success {
    background-color: rgba(0, 245, 195, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

.form-status.error {
    background-color: rgba(255, 107, 107, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
}

/* Profile Badges */
.profile-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    text-decoration: none;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.profile-badge:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.profile-badge i {
    font-size: 1.25rem;
}

/* Responsive */
@media (max-width: 768px) {
    .section {
        padding: 3.5rem 1rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .section-subtitle {
        font-size: 0.95rem;
    }

    .page-header h1 {
        font-size: 2rem;
    }

    .cta-section {
        padding: 2rem 1.5rem;
    }

    .card-custom {
        padding: 1.5rem;
    }

    .btn-custom {
        padding: 0.6rem 1.25rem;
        font-size: 0.9rem;
    }
}

@media (max-width: 576px) {
    .container {
        padding-left: 15px;
        padding-right: 15px;
    }

    .section {
        padding: 2.5rem 0.75rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    .page-header {
        padding: 5rem 1rem 2rem;
    }

    .page-header h1 {
        font-size: 1.75rem;
    }

    .page-header p {
        font-size: 0.9rem;
    }

    .navbar-custom .navbar-brand {
        font-size: 1.2rem;
        letter-spacing: 1px;
    }

    .navbar-custom .nav-link {
        font-size: 0.9rem;
        margin: 0 0.25rem;
    }

    .cta-section {
        padding: 1.5rem 1rem;
    }

    .cta-section h3 {
        font-size: 1.25rem;
    }

    .cta-section p {
        font-size: 0.9rem;
    }

    .card-custom {
        padding: 1.25rem;
        border-radius: 10px;
    }

    .btn-custom {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .site-footer {
        padding: 2rem 1rem;
    }

    .site-footer .social-links a {
        font-size: 1.25rem;
        margin: 0 0.5rem;
    }

    .profile-badge {
        padding: 0.5rem 1rem;
        font-size: 0.85rem;
    }

    .profile-badge i {
        font-size: 1rem;
    }
}

/* Extra Small Devices (350px minimum) */
@media (max-width: 400px) {
    .container {
        padding-left: 10px;
        padding-right: 10px;
    }

    .section {
        padding: 2rem 0.5rem;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .page-header {
        padding: 4.5rem 0.75rem 1.5rem;
    }

    .page-header h1 {
        font-size: 1.5rem;
    }

    .navbar-custom {
        padding: 0.75rem 0;
    }

    .navbar-custom .navbar-brand {
        font-size: 1.1rem;
        letter-spacing: 0.5px;
    }

    .navbar-custom .nav-link {
        font-size: 0.85rem;
        padding: 0.4rem 0.5rem;
    }

    .cta-section {
        padding: 1.25rem 0.75rem;
        border-radius: 10px;
    }

    .cta-section h3 {
        font-size: 1.1rem;
    }

    .btn-custom {
        padding: 0.45rem 0.9rem;
        font-size: 0.8rem;
    }

    .card-custom {
        padding: 1rem;
        border-radius: 8px;
    }

    .tag {
        padding: 0.2rem 0.5rem;
        font-size: 0.65rem;
    }

    .site-footer {
        padding: 1.5rem 0.75rem;
    }

    .site-footer .social-links a {
        font-size: 1.1rem;
        margin: 0 0.4rem;
    }

    .site-footer .text-muted-custom {
        font-size: 0.8rem;
    }

    .form-control-custom {
        padding: 0.6rem 0.75rem;
        font-size: 0.9rem;
    }
}