/* ==========================================
   GLOBAL STYLE VARS & BASE RULES
   ========================================== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

:root {
    --primary: #0077ff;
    --primary-dark: #005fd1;
    --bg-light: #f5f7fb;
    --text-dark: #1e293b;
    --card-bg: #ffffff;
    --border-color: rgba(0, 0, 0, 0.06);
    --input-border: #cbd5e1;
    --transition: 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
}

body {
    background: var(--bg-light);
    color: var(--text-dark);
    transition: background var(--transition), color var(--transition);
    overflow-x: hidden;
    line-height: 1.6;
}

body.dark {
    --bg-light: #0f172a;
    --text-dark: #f1f5f9;
    --card-bg: #1e293b;
    --border-color: rgba(255, 255, 255, 0.06);
    --input-border: #334155;
    --primary: #3b82f6;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: auto;
}

/* Scroll indicator */
#progressBar {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), #8b5cf6);
    width: 0%;
    z-index: 1001;
}

/* ==========================================
   HEADER & STICKY GLASSMORPHISM
   ========================================== */
header {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition), border-color var(--transition);
}

body.dark header {
    background: rgba(15, 23, 42, 0.8);
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: var(--text-dark);
}

.logo .highlight { color: var(--primary); }

nav ul {
    display: flex;
    gap: 25px;
    list-style: none;
}

nav ul li a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    font-size: 15px;
    transition: color var(--transition);
    position: relative;
    padding: 4px 0;
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary);
    transition: width var(--transition);
}

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--primary);
}

.header-actions {
    display: flex;
    gap: 15px;
    align-items: center;
}

#themeBtn, .menu-btn {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--text-dark);
    cursor: pointer;
    transition: color var(--transition), transform var(--transition);
}

#themeBtn:hover {
    color: var(--primary);
    transform: rotate(15deg);
}

.menu-btn { display: none; }

/* ==========================================
   HERO SECTION
   ========================================== */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 80px 0;
    gap: 40px;
    min-height: calc(85vh - 80px);
}

.hero-text { flex: 1; }
.hero-text h4 {
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.hero-text h1 {
    font-size: 46px;
    line-height: 1.25;
    margin-bottom: 20px;
    font-weight: 700;
}

.gradient-text {
    background: linear-gradient(45deg, var(--primary), #8b5cf6);
    -webkit-background-clip: text;
    background-clip: text; 
    -webkit-text-fill-color: transparent;
}

.cursor {
    font-weight: 400;
    color: var(--primary);
    animation: cursorBlink 1s infinite;
}

@keyframes cursorBlink {
    50% { opacity: 0; }
}

.hero-text p {
    font-size: 17px;
    color: #64748b;
    margin-bottom: 30px;
    max-width: 520px;
}

body.dark .hero-text p { color: #94a3b8; }

.hero-image {
    flex: 1;
    display: flex;
    justify-content: flex-end;
}

.hero-image img {
    width: 100%;
    max-width: 460px;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
}

.hero-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 40px;
}

/* ==========================================
   BUTTON STRUCTS
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 26px;
    background: var(--primary);
    color: #fff;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    border: none;
    cursor: pointer;
    font-size: 15px;
}

.btn:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 119, 255, 0.45);
}

.btn.secondary {
    background: transparent;
    color: var(--text-dark);
    border: 2px solid var(--text-dark);
    transition: background var(--transition), color var(--transition);
}

.btn.secondary:hover {
    background: var(--text-dark);
    color: var(--card-bg);
    box-shadow: none;
}

.light-btn {
    background: #ffffff;
    color: #0077ff;
}

.light-btn:hover {
    background: #f1f5f9;
    color: var(--primary-dark);
}

.btn-text {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color var(--transition), gap var(--transition);
}

.btn-text:hover {
    color: var(--primary-dark);
    gap: 8px;
}

/* ==========================================
   CORE CARDS & TRANSITION SAFETY PIPELINES
   ========================================== */
section { padding: 70px 0; }

.page-banner {
    text-align: center;
    background: linear-gradient(135deg, rgba(0, 119, 255, 0.05), rgba(139, 92, 246, 0.05));
    padding: 60px 20px;
    border-bottom: 1px solid var(--border-color);
}

.page-banner h1 {
    font-size: 36px;
    margin-bottom: 10px;
}

.page-banner p { color: #64748b; }
body.dark .page-banner p { color: #94a3b8; }

.section-title {
    text-align: center;
    margin-bottom: 45px;
    font-size: 32px;
    position: relative;
    padding-bottom: 12px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--primary);
    border-radius: 2px;
}

.grid-3, .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
}

/* Explicit CSS transition assignments prevent conflict with GSAP engines */
.card {
    background: var(--card-bg);
    padding: 35px 25px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.hover-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.05);
    border-bottom-color: #3498db;
}

/* Add specialized tracking rule for immediate responsive hover shifts */
.hover-card {
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition), transform 0.25s ease;
    border-bottom: 3px solid transparent;
}

.card i.service-icon, .card i {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 18px;
    display: inline-block;
}

.card h3 {
    margin-bottom: 12px;
    font-size: 20px;
}

.card p {
    color: #64748b;
    font-size: 15px;
}

body.dark .card p { color: #94a3b8; }

.stats {
    display: flex;
    gap: 35px;
}

.stats h2 {
    font-size: 32px;
    display: inline-block;
    color: var(--text-dark);
}

.stats span {
    font-size: 32px;
    color: var(--primary);
    font-weight: 700;
}

.stats p {
    color: #64748b;
    font-size: 14px;
}

/* ==========================================
   CALL TO ACTION (CTA)
   ========================================== */
.cta { margin: 30px auto; }
.cta-content {
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    color: #fff;
    text-align: center;
    padding: 60px 40px;
    border-radius: 16px;
}

.cta-content h2 {
    font-size: 32px;
    margin-bottom: 15px;
}

.cta-content p {
    margin-bottom: 25px;
    opacity: 0.9;
}

/* ==========================================
   ABOUT & EXPERIENCES ARCHITECTURES
   ========================================== */
.about-section {
    display: flex;
    gap: 50px;
    align-items: center;
    padding: 60px 0;
}

.about-image img {
    width: 100%;
    max-width: 380px;
    border-radius: 16px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.06);
}

.about-content { flex: 1; }
.about-content h2 { margin-bottom: 15px; }
.about-content p {
    margin-bottom: 20px;
    color: #64748b;
}
body.dark .about-content p { color: #94a3b8; }

.skills { margin-top: 30px; }
.skills h3 { margin-bottom: 15px; font-size: 18px;}
.skill { margin-bottom: 18px; }
.skill-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 14px;
    font-weight: 500;
}

.skill .bar {
    background: var(--border-color);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.skill .bar span {
    display: block;
    height: 100%;
    background: var(--primary);
    border-radius: 4px;
    width: 0%; 
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: auto;
    border-left: 3px solid var(--border-color);
    padding-left: 20px;
}

.timeline-item {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
    position: relative;
}

.timeline-item::before {
    content: '';
    position: absolute;
    width: 12px;
    height: 12px;
    background: var(--primary);
    border-radius: 50%;
    left: -28px;
    top: 26px;
}

.timeline-date {
    font-size: 13px;
    color: var(--primary);
    font-weight: 600;
    display: block;
    margin: 4px 0 10px;
}

/* ==========================================
   PRICING INTERFACES
   ========================================== */
.pricing { padding-top: 50px; }
.price-card {
    text-align: center;
    position: relative;
}

.price-card.featured {
    border: 2px solid var(--primary);
}

@media(min-width: 993px) {
    .price-card.featured { transform: scale(1.03); }
}

.price-card .badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: #fff;
    font-size: 11px;
    padding: 4px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    font-weight: 600;
}

.price-card h2 {
    font-size: 42px;
    margin: 15px 0;
    color: var(--text-dark);
}

.price-card ul {
    list-style: none;
    text-align: left;
    margin: 20px 0 30px;
}

.price-card ul li {
    font-size: 14px;
    padding: 8px 0;
    color: #64748b;
    display: flex;
    align-items: center;
    gap: 10px;
}

body.dark .price-card ul li { color: #94a3b8; }
.price-card ul li i {
    color: #22c55e;
    font-size: 14px;
    margin: 0;
}

.price-card .btn {
    width: 100%;
    justify-content: center;
}

.price-card:hover{
    border: 3px solid #933ede;
    box-shadow: rgba(0, 0, 0, 0.24) 4px 7px 12px;
}
/* ==========================================
   PORTFOLIO CONFIGS & FILTERS
   ========================================== */
#resumebtn{
    margin-top: 5px;
    padding: 0px;
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 35px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 8px 20px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-dark);
    cursor: pointer;
    border-radius: 6px;
    font-weight: 500;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 25px;
}

.portfolio-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.portfolio-img-wrapper {
    overflow: hidden;
    position: relative;
    aspect-ratio: 16/10;
}

.portfolio-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-card:hover img {
    transform: scale(1.05);
}

.portfolio-content { padding: 25px; }
.portfolio-content h3 { margin-bottom: 8px; }
.portfolio-content p {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 20px;
}
body.dark .portfolio-content p { color: #94a3b8; }
.portfolio-links {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ==========================================
   TESTIMONIALS SLIDER RUNTIMES
   ========================================== */
.testimonial-section {
    max-width: 800px;
    margin: auto;
}

.testimonial-slider {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    padding: 50px 30px;
    border-radius: 16px;
    text-align: center;
    position: relative;
}

.testimonial {
    display: none;
}

.testimonial.active-slide {
    display: block;
    animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.testimonial img {
    width: 75px;
    height: 75px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 15px;
    border: 3px solid var(--primary);
}

.testimonial p {
    font-size: 16px;
    font-style: italic;
    color: #475569;
    max-width: 600px;
    margin: 0 auto 20px;
}

body.dark .testimonial p { color: #cbd5e1; }
.testimonial h3 { font-size: 18px; }
.testimonial span {
    font-size: 13px;
    color: #64748b;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 25px;
}

.slider-controls button {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-dark);
    border-radius: 50%;
    cursor: pointer;
    transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.slider-controls button:hover {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.stats-section { padding-top: 50px; }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    text-align: center;
}

.stat-card h2 {
    font-size: 36px;
    color: var(--primary);
    margin-bottom: 5px;
}

/* ==========================================
   CONTACT CAPTURE MATRIX FORMS
   ========================================== */
.contact-section {
    display: flex;
    gap: 50px;
    padding: 40px 0;
}

.contact-info { flex: 1; }
.contact-info h2 { margin-bottom: 15px; }
.contact-info p {
    color: #64748b;
    margin-bottom: 30px;
}

.info-box {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.info-box i {
    width: 45px;
    height: 45px;
    background: rgba(0, 119, 255, 0.1);
    color: var(--primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
}

.info-box h3 { font-size: 14px; color: #64748b; }
.info-box p { margin: 0; font-weight: 600; color: var(--text-dark); }

form {
    flex: 1.2;
    background: var(--card-bg);
    padding: 35px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-dark);
}

input, textarea {
    padding: 11px 14px;
    border: 1px solid var(--input-border);
    border-radius: 6px;
    background: transparent;
    color: var(--text-dark);
    font-size: 14px;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
}

input:focus, textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 119, 255, 0.15);
}

textarea {
    min-height: 130px;
    resize: vertical;
}

.input-error {
    border-color: #ef4444 !important;
}

.input-error:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.15) !important;
}

/* ==========================================
   FOOTER MODULE RULES
   ========================================== */
footer {
    background: #0f172a;
    color: #f1f5f9;
    text-align: center;
    padding: 50px 20px;
    margin-top: 60px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

body.dark footer {
    background: #020617;
}

.footer-content h3 {
    font-size: 22px;
    margin-bottom: 5px;
}

.footer-content p {
    font-size: 14px;
    color: #94a3b8;
}

.socials { margin: 20px 0; }
.socials a {
    color: #f1f5f9;
    margin: 0 10px;
    font-size: 18px;
    transition: color var(--transition), transform var(--transition);
    display: inline-block;
}

.socials a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

/* Back to top UI control */
#topBtn {
    position: fixed;
    bottom: 25px;
    right: -60px;
    width: 45px;
    height: 45px;
    border: none;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    cursor: pointer;
    transition: right 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), background var(--transition);
    z-index: 99;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

#topBtn.visible { right: 25px; }

/* Dynamic Toasts execution */
.toast {
    position: fixed;
    bottom: -60px;
    left: 50%;
    transform: translateX(-50%);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: bottom 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 9999;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.toast.show { bottom: 25px; }
.toast.success { background: #10b981; }
.toast.error { background: #ef4444; }

/* ==========================================
   RESPONSIVE BREAKDOWN ENGINE
   ========================================== */
@media(max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 40px 0;
    }
    .hero-text h1 { font-size: 36px; }
    .hero-text p { margin: 0 auto 25px; }
    .hero-image { justify-content: center; }
    .stats { justify-content: center; }
    .about-section, .contact-section { flex-direction: column; gap: 35px; }
    .about-image img { max-width: 100%; }
}

@media(max-width: 768px) {
    header { padding: 15px 0; }
    nav {
        position: fixed;
        top: 73px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 73px);
        background: var(--card-bg);
        transition: left 0.4s cubic-bezier(0.1, 0.9, 0.2, 1);
        border-top: 1px solid var(--border-color);
    }
    nav.active { left: 0; }
    nav ul {
        flex-direction: column;
        align-items: center;
        padding-top: 40px;
        gap: 30px;
    }
    nav ul li a { font-size: 18px; }
    .menu-btn { display: block; }
}