/* --- Core Global Variables & Resets --- */
:root {
    --bg-color: #f7f9fc;
    --text-main: #0f172a;
    --text-muted: #475569;
    --primary: #0284c7;
    --primary-hover: #0369a1;
    --accent-green: #10b981;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-family: var(--font-stack);
    background-color: var(--bg-color);
    color: var(--text-main);
    overflow-x: clip;
    width: 100%;
}

body {
    overflow-x: clip;
    width: 100%;
    position: relative;
}

/* --- Header & Navigation --- */
header {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 90%;
    max-width: 1300px;
    height: 70px;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.logo {
    display: flex;
    align-items: center;
    height: 50%; 
}
.logo img {
    max-height: 50px; 
    width: auto; 
    object-fit: contain;
    transition: max-height 0.2s ease; 
}

.brand-main { color: #1e293b; }
.brand-sub { color: var(--primary); 
    /* font-weight: 400; 
    font-size: 0.95rem;
    margin-left: 3px;  */
}


nav {
    display: flex;
    align-items: center;
    background: #f1f5f9;
    padding: 6px 14px; 
    border-radius: 30px;
    gap: 8px;
}

nav a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px; 
    height: 38px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: 20px; 
    transition: all 0.2s ease;
    white-space: nowrap; 
}

nav a i {
    font-size: 1rem; 
}

nav a:hover, nav a.active {
    background: var(--card-bg);
    color: var(--primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

/* This duplicate Courses link only appears inside the mobile drawer nav.
   It's hidden by default here; responsive.css reveals it on small screens. */
.nav-courses-mobile {
    display: none;
}

.nav-auth {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-login {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.btn-cta-sm {
    background: var(--primary);
    color: white;
    text-decoration: none;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: background 0.2s;
}
.btn-cta-sm:hover { background: var(--primary-hover); }

/* --- Global Section Utilities --- */
section {
    padding: 120px 5% 80px 5%;
    /* max-width: 1400px; */
    margin: 0 auto;
    min-height: 85vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.section-title {
    font-size: 0.85rem;
    letter-spacing: 2px;
    color: var(--text-muted);
    font-weight: 700;
    margin-bottom: 40px;
    text-transform: uppercase;
    position: relative;
}

/* --- Hero Section --- */
#hero {
    background-image: url("/images/bg2.jpg");
    background-repeat: no-repeat;
    background-size: cover;
}


.hero-section {
    position: relative;
    text-align: center;
    align-items: center;
}

.hero-badge {
    font-size: 0.75rem;
    background: #e0f2fe;
    color: var(--primary);
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 700;
    display: inline-block;
    margin-bottom: 25px;
    letter-spacing: 1px;
}

.hero-content h1 {
    font-size: clamp(2rem, 5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -1px;
    color: var(--text-main);
    max-width: 900px;
    margin: 0 auto 25px auto;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--text-muted);
    max-width: 650px;
    margin: 0 auto 40px auto;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    justify-content: center;
}

.btn-primary, .btn-secondary {
    padding: 14px 28px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 700;
    text-decoration: none;
    letter-spacing: 0.5px;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--primary);
    color: white;
    border: none;
    cursor: pointer;
}
.btn-primary:hover { background: var(--primary-hover); }

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover { background: #f1f5f9; }

/* Abstract Graphic Waves using CSS shapes */
/* .wave-container {
    position: absolute;
    bottom: -20px;
    left: 0;
    width: 100%;
    height: 150px;
    overflow: hidden;
    z-index: -1;
    opacity: 0.6;
}
.wave {
    position: absolute;
    width: 200%;
    height: 100%;
    background: radial-gradient(circle, transparent 40%, rgba(2, 132, 199, 0.05) 41%);
    background-size: 40px 80px;
}
.wave1 { animation: waveMove 20s linear infinite; }
@keyframes waveMove { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } } */

/* --- Solutions Grid Visual Overhaul --- */
.solutions-section {
    text-align: center;
    background-color: #ffffff; 
}

.solutions-section .section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 50px;
    letter-spacing: -0.5px;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 30px;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
}

.grid-card {
    background: #ffffff;
    border: 1px solid #e2e8f0;  
    border-radius: 24px;  
    padding: 40px 30px;
    text-align: left;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.02); 
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
}

/* Custom border overlays matching each unique service accent */
.grid-card.card-wp { border-color: rgba(2, 132, 199, 0.3);  color: var(--primary);}
.grid-card.card-dev { border-color: rgba(22, 163, 74, 0.3);  color: var(--primary);}
.grid-card.card-ai { border-color: rgba(147, 51, 234, 0.3);  color: var(--primary);}
.grid-card.card-support { border-color: rgba(234, 88, 12, 0.3);  color: var(--primary);}
.grid-card.card-training { border-color: rgba(74, 85, 104, 0.3);  color: var(--primary);}
.grid-card.card-m365 { border-color: rgba(2, 132, 199, 0.3);  color: var(--primary);}


.grid-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 35px rgba(15, 23, 42, 0.06);
}

/* Icon Containers */
.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%; 
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 30px;
}

/* Card Content Typography */
.grid-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 15px;
    line-height: 1.3;
}

.grid-card p {
    font-size: 0.95rem;
    color: #64748b;
    line-height: 1.6;
}

/* --- Responsive Layout Breaks --- */
@media (max-width: 1024px) {
    .grid-container {
        grid-template-columns: repeat(2, 1fr); 
    }
}

@media (max-width: 680px) {
    .grid-container {
        grid-template-columns: 1fr; 
    }
}


/* --- Portfolio Slider Section --- */
.portfolio-section .section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 50px;
    letter-spacing: -0.5px;
    text-align: center;
}

.portfolio-slider {
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
}

.slider-track-container {
    overflow: hidden;
    width: 100%;
}

.slider-track {
    display: flex;
    gap: 25px;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}


.portfolio-item {
    min-width: calc(33.333% - 17px);
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.portfolio-image-placeholder {
    width: 100%;
    height: 380px;
    background: #f1f5f9;
    border-radius: 8px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #cbd5e1;
    position: relative; 
    overflow: hidden;  
}

/* Fallback Icon */
.portfolio-image-placeholder i {
    position: absolute;
    z-index: 1; 
}


.portfolio-image-placeholder img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; 
    z-index: 2;         
    transition: transform 0.3s ease;
}

.portfolio-item:hover .portfolio-image-placeholder img {
    transform: scale(1.05);
}


.portfolio-item h4 {
    font-size: 1.1rem;
    margin-bottom: 8px;
}

.portfolio-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.slider-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0,0,0,0.03);
    z-index: 5;
    transition: background 0.2s;
}
.slider-btn:hover { background: #f1f5f9; }

/* --- Contact & Partnership Section --- */
.contact-section {
    align-items: center;
    text-align: center;
    background-color: var(--bg-color);
}

.contact-header {
    margin-bottom: 40px;
    max-width: 700px;
}

.contact-header .section-title {
    font-size: 2.2rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.contact-header .section-subtitle {
    font-size: 1rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Glassmorphism Card Style matching the image mockup */
.contact-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    width: 100%;
    max-width: 700px; 
    padding: 45px;
    border-radius: 24px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.03);
}

/* Two-column rows on larger screens */
.form-row {
    display: flex;
    gap: 20px;
}

.form-row .input-group {
    flex: 1;
}

.input-group {
    position: relative;
    margin-bottom: 24px;
    text-align: left;
}

.input-group input, 
.input-group textarea,
.input-group select {
    width: 100%;
    padding: 14px 16px;
    border: 1px solid rgba(203, 213, 225, 0.8);
    background: #ffffff;
    border-radius: 10px;
    outline: none;
    font-size: 0.95rem;
    font-family: inherit;
    color: var(--text-main);
    transition: all 0.2s ease;
}

/* Float label logic */
.input-group label {
    position: absolute;
    left: 16px;
    top: 14px;
    color: #64748b;
    pointer-events: none;
    transition: all 0.2s ease;
    background: transparent;
    padding: 0 4px;
}

/* Floating label updates on focus / text inside */
.input-group input:focus ~ label,
.input-group textarea:focus ~ label,
.input-group select:focus ~ label,
.input-group input:not(:placeholder-shown) ~ label,
.input-group textarea:not(:placeholder-shown) ~ label,
.input-group select:valid ~ label {
    top: -8px;
    left: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: #ffffff;
    padding: 0 6px;
    border-radius: 4px;
}

.input-group input:focus, 
.input-group textarea:focus,
.input-group select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.1);
}

/* Dropdown specific styles */
.select-group {
    position: relative;
}

.select-group select {
    appearance: none;
    -webkit-appearance: none;
    cursor: pointer;
    background: #ffffff;
}

.select-arrow {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: #64748b;
    font-size: 0.85rem;
}

/* Dynamic button matching original brand blue */
.btn-submit {
    width: 100%;
    background: var(--primary);
    color: white;
    border: none;
    padding: 16px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: background 0.2s, transform 0.1s;
    box-shadow: 0 4px 12px rgba(2, 132, 199, 0.2);
}

.btn-submit:hover {
    background: var(--primary-hover);
}

.btn-submit:active {
    transform: scale(0.99);
}

/* Responsive optimization for single-column cards on smaller devices */
@media (max-width: 640px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    .contact-card {
        padding: 30px 20px;
    }
}

@media (max-width: 968px) {
    .analytics-wrapper { grid-template-columns: 1fr; gap: 30px; }
    .portfolio-item { min-width: calc(50% - 13px); }
    header { padding: 0 15px; }
    .nav-auth .btn-login { display: none; }
}

@media (max-width: 640px) {
    .portfolio-item { min-width: 100%; }
    header nav { display: none; } 
    section { padding-top: 100px; }
}

/* --- Footer Styling --- */
.site-footer {
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    padding: 50px 0 0 0;
    margin-top: auto;
    color: var(--text-main);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
}

.footer-col h4 {
    font-size: 1.1rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 20px;
    position: relative;
}

.footer-tagline {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-top: 15px;
    max-width: 320px;
}

/* Links & Lists layout */
.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.footer-links i,
.footer-address i {
    color: var(--primary);
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

/* Specific styling for WhatsApp icon to represent brand color on hover */
.footer-links li:has(.fa-whatsapp):hover i {
    color: #25d366;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary-hover);
}

/* Location Column Styling */
.footer-address {
    display: flex;
    gap: 12px;
    line-height: 1.3;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-address p {
    margin: 0;
}

/* Copyright Row */
.footer-bottom {
    background-color: #f8fafc;
    border-top: 1px solid var(--border-color);
    padding: 25px 0;
}

.footer-bottom-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom p {
    margin: 0;
}

.designer-tag {
    font-weight: 500;
}

.designer-tag a {
    text-decoration: none;
    color: var(--primary); 
}

/* --- Footer Responsive Adjustments --- */
@media (max-width: 968px) {
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    .brand-col {
        grid-column: span 2;
    }
}

@media (max-width: 640px) {
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .brand-col {
        grid-column: span 1;
    }
    .footer-bottom-container {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }
}


/* --- Portfolio Page Grid Layout --- */
.portfolio-grid-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr); /* 3 columns layout */
    gap: 30px;
    width: 100%;
    max-width: 1200px;
    margin: 40px auto 0 auto;
}

/* Base style for grid portfolio cards (handles both div and anchor link setups) */
#portfolio-grid-page .portfolio-item {
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    display: flex;
    flex-direction: column;
    text-align: left;
    text-decoration: none; 
    color: inherit;         
}

#portfolio-grid-page .portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

/* Force image inner containers to use absolute layer positioning */
#portfolio-grid-page .portfolio-image-placeholder {
    width: 100%;
    height: 260px;
    background: #f1f5f9;
    border-radius: 8px;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: #cbd5e1;
    position: relative;
    overflow: hidden;
}

#portfolio-grid-page .portfolio-image-placeholder i {
    position: absolute;
    z-index: 1;
}

#portfolio-grid-page .portfolio-image-placeholder img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 2;
}

/* Media Query Adaptations */
@media (max-width: 968px) {
    .portfolio-grid-container {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 640px) {
    .portfolio-grid-container {
        grid-template-columns: 1fr;
    }
}

/* --- Custom Form Pop-up Modal --- */
.custom-popup-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(15, 23, 42, 0.4); 
    backdrop-filter: blur(8px);       
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;                    
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}

/* Active transition state */
.custom-popup-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.custom-popup-card {
    background: var(--card-bg, #ffffff);
    border: 1px solid var(--border-color, #e2e8f0);
    border-radius: 20px;
    padding: 40px 30px;
    max-width: 450px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    transform: translateY(20px) scale(0.95);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.custom-popup-overlay.active .custom-popup-card {
    transform: translateY(0) scale(1);
}

/* Success Checkmark Icon styling */
.popup-icon-container {
    font-size: 4rem;
    color: #22c55e; 
    margin-bottom: 20px;
    display: inline-block;
    animation: bounceIn 0.5s ease-out;
}

.custom-popup-card h3 {
    font-size: 1.5rem;
    color: #0f172a;
    margin-bottom: 12px;
    font-weight: 700;
}

.custom-popup-card p {
    font-size: 1rem;
    color: #475569;
    line-height: 1.6;
    margin-bottom: 25px;
}

/* Confirm / Close Button styling */
.popup-close-btn {
    background: var(--btn-primary-bg, #0f172a);
    color: #ffffff;
    border: none;
    padding: 12px 35px;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s ease, transform 0.2s ease;
    width: 100%;
}

.popup-close-btn:hover {
    background: #1e293b;
    transform: translateY(-1px);
}

/* Keyframes for the check icon entrance */
@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.1); }
    70% { transform: scale(0.9); }
    100% { transform: scale(1); opacity: 1; }
}

/* --- Courses Page Styles --- */
.courses-section {
    padding: 80px 5%;
    background-color: #F9FBFC;
}

.courses-split-layout {
    display: flex;
    gap: 40px;
    max-width: 1200px;
    margin: 50px auto 0 auto;
    align-items: stretch; 
}

/* --- Left Column: Courses list --- */
.courses-column {
    flex: 1.2;
    display: flex;
    flex-direction: column;
    gap: 30px;
    width: 100%;
}

.course-card {
    background: #ffffff;
    border-radius: 15px;
    padding: 35px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    border: 1px solid #E6EAF0;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-align: left;
}

.course-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
}

.course-icon {
    font-size: 2.8rem;
    color: #3498DB; 
    margin-bottom: 20px;
}

.course-card h4 {
    color: #0f172a;
    font-size: 1.5rem;
    margin-bottom: 12px;
    font-weight: 700;
}

.course-card p {
    color: #475569;
    line-height: 1.6;
    margin-bottom: 20px;
}

.course-card ul {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
}

.course-card ul li {
    position: relative;
    padding-left: 25px;
    color: #475569;
    margin-bottom: 10px;
    font-size: 0.95rem;
}

.course-card ul li::before {
    content: "\f00c"; /* FontAwesome check icon */
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    position: absolute;
    left: 0;
    color: #22c55e; 
}

.btn-launch {
    background-color: transparent;
    color: #64748b;
    border: 1px solid #cbd5e1;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
    width: 100%;
    cursor: not-allowed;
    text-transform: uppercase;
}

/* --- Right Column: Sticky Opt-in Form --- */
.notify-column {
    flex: 0.8; 
    width: 100%;
    position: sticky;
    top: 110px; 
    align-self: flex-start;
    height: fit-content;
}

.notify-sticky-card {
    background-color: #ffffff;
    border: 1px solid #E6EAF0;
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
    text-align: center;
}

.notify-sticky-card h3 {
    color: #0f172a;
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 15px;
}

.notify-sticky-card p {
    color: #475569;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 30px;
}

.notify-inputs-vertical {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 20px;
}

.notify-input-group input {
    width: 100%;
    padding: 15px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    background: #f8fafc;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s, background-color 0.2s;
}

.notify-input-group input:focus {
    border-color: #3498DB;
    background-color: #ffffff;
}

.btn-notify-block {
    color: #ffffff;
    border: none;
    padding: 15px 30px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    width: 100%;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.2s;
}

.btn-notify-block:hover {
    transform: translateY(-1px);
}

/* --- Responsive Adaptations --- */
@media (max-width: 968px) {
    .courses-split-layout {
        flex-direction: column; 
        gap: 40px;
    }
    
    .notify-column {
        position: relative;
        top: 0; 
    }
}