/* ============================================
   Syed Zain Norani - Portfolio Website
   Modern CSS with Animations & Responsive Design
   ============================================ */

/* CSS Variables */
:root {
    --primary-color: #00d4ff;
    --secondary-color: #1a365d;
    --accent-color: #7c3aed;
    --dark-bg: #0f172a;
    --darker-bg: #020617;
    --light-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --success-color: #22c55e;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #7c3aed 100%);
    --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);
    --shadow-card: 0 10px 40px rgba(0, 0, 0, 0.3);
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    --promo-height: 0px;
    --promo-font-size: 1rem;
    --marquee-duration: 26s;
}

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

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

body {
    font-family: 'Poppins', 'Segoe UI', sans-serif;
    background: var(--darker-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotate(-180deg);
    }
    to {
        opacity: 1;
        transform: rotate(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-20px);
    }
    60% {
        transform: translateY(-10px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 5px var(--primary-color),
                    0 0 10px var(--primary-color),
                    0 0 15px var(--primary-color);
    }
    50% {
        box-shadow: 0 0 10px var(--primary-color),
                    0 0 20px var(--primary-color),
                    0 0 30px var(--primary-color);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink {
    50% { border-color: transparent; }
}

@keyframes slideIn {
    from {
        transform: translateX(-100%);
    }
    to {
        transform: translateX(0);
    }
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

@keyframes wave {
    0%, 100% {
        transform: translateY(0);
    }
    25% {
        transform: translateY(-10px);
    }
    75% {
        transform: translateY(10px);
    }
}

/* Animation Classes */
.animate-fadeInUp { animation: fadeInUp 0.8s ease forwards; }
.animate-fadeInDown { animation: fadeInDown 0.8s ease forwards; }
.animate-fadeInLeft { animation: fadeInLeft 0.8s ease forwards; }
.animate-fadeInRight { animation: fadeInRight 0.8s ease forwards; }
.animate-fadeIn { animation: fadeIn 0.8s ease forwards; }
.animate-scaleIn { animation: scaleIn 0.8s ease forwards; }
.animate-rotateIn { animation: rotateIn 0.8s ease forwards; }
.animate-bounce { animation: bounce 2s infinite; }
.animate-pulse { animation: pulse 2s infinite; }
.animate-glow { animation: glow 2s infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }

/* Delay Classes */
.delay-100 { animation-delay: 0.1s; }
.delay-200 { animation-delay: 0.2s; }
.delay-300 { animation-delay: 0.3s; }
.delay-400 { animation-delay: 0.4s; }
.delay-500 { animation-delay: 0.5s; }
.delay-600 { animation-delay: 0.6s; }
.delay-700 { animation-delay: 0.7s; }
.delay-800 { animation-delay: 0.8s; }

/* Initial State for Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: all 0.8s ease;
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: all 0.8s ease;
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-scale {
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.8s ease;
}

.reveal-scale.active {
    opacity: 1;
    transform: scale(1);
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: var(--promo-height, 0px);
    left: 0;
    width: 100%;
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    transition: all var(--transition-medium);
    background: transparent;
}

/* ============================================
   PROMOTIONAL MARQUEE BANNER
   ============================================ */
.promo-banner {
    --height: 52px;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--height);
    background: linear-gradient(90deg, #ff416c 0%, #ff4b2b 50%, #ff7b54 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1100;
    box-shadow: 0 4px 20px rgba(0,0,0,0.25);
    user-select: none;
}

.promo-banner .promo-inner {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.promo-track {
    display: inline-flex;
    align-items: center;
    gap: 4rem;
    white-space: nowrap;
    will-change: transform;
    font-weight: 700;
    color: #fff;
    transform: translate3d(0, 0, 0);
    animation: marquee-left var(--marquee-duration) linear infinite;
    animation-play-state: running;
}

.promo-item { 
    display: inline-block;
    flex-shrink: 0;
    padding: 0 1rem;
    font-size: var(--promo-font-size);
}

.promo-banner.is-paused .promo-track,
.promo-banner:hover .promo-track {
    animation-play-state: paused;
}

.promo-close {
    display: none;
}

@keyframes marquee-left {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(-50%, 0, 0); }
}

/* Responsive adjustments */
@media (max-width: 768px) {
    :root { --promo-font-size: 0.9rem; --marquee-duration: 22s; }
    .promo-banner { --height: 44px; }
}

@media (max-width: 480px) {
    :root { --promo-font-size: 0.85rem; --marquee-duration: 20s; }
    .promo-banner { --height: 40px; }
    .promo-close { right: 8px; font-size: 1.1rem; }
}

/* Accessibility: respect reduced motion */
@media (prefers-reduced-motion: reduce) {
    .promo-track { animation: none; }
}

/* When banner hidden, root var resets so navbar returns to top */
.promo-hidden { --promo-height: 0px !important; }

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 0.8rem 5%;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo img {
    height: 50px;
    width: auto;
    transition: transform var(--transition-fast);
}

.logo:hover img {
    transform: scale(1.1) rotate(5deg);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-links a {
    position: relative;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-fast);
}

.nav-links a:hover {
    color: var(--primary-color);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--primary-color);
}

.nav-links a.active::after {
    width: 100%;
}

.nav-buttons {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.btn {
    padding: 0.8rem 1.5rem;
    border-radius: 58px;
    height: 29px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: none;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.5);
}

.btn-secondary {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 100px 5% 50px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 50%, var(--secondary-color) 100%);
    z-index: -2;
}

.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.particle {
    position: absolute;
    width: 10px;
    height: 10px;
    background: var(--primary-color);
    border-radius: 50%;
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1400px;
    width: 100%;
}

.hero-text {
    animation: fadeInUp 1s ease;
}

.hero-greeting {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.hero-greeting .wave {
    animation: wave 1s ease-in-out infinite;
    display: inline-block;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.hero-title .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.typing-text {
    font-size: 1.5rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    min-height: 2rem;
}

.typing-text span {
    color: var(--primary-color);
    border-right: 2px solid var(--primary-color);
    padding-right: 5px;
    animation: blink 0.7s step-end infinite;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-social {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--light-bg);
    color: var(--text-primary);
    font-size: 1.2rem;
    transition: all var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-btn:hover {
    background: var(--gradient-primary);
    transform: translateY(-5px) rotate(10deg);
    box-shadow: var(--shadow-glow);
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    animation: fadeInRight 1s ease 0.3s both;
}

.hero-image-wrapper {
    position: relative;
    width: 400px;
    height: 400px;
}

.hero-image-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: rotate 10s linear infinite;
}

.hero-image-wrapper::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--accent-color);
    border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%;
    animation: rotate 15s linear infinite reverse;
}

.hero-image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    position: relative;
    z-index: 1;
    box-shadow: var(--shadow-glow);
}

.floating-icons {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
}

.float-icon {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--light-bg);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--primary-color);
    box-shadow: var(--shadow-card);
    animation: float 3s ease-in-out infinite;
}

.float-icon:nth-child(1) {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.float-icon:nth-child(2) {
    top: 60%;
    left: -15%;
    animation-delay: 0.5s;
}

.float-icon:nth-child(3) {
    top: 20%;
    right: -10%;
    animation-delay: 1s;
}

.float-icon:nth-child(4) {
    bottom: 20%;
    right: -15%;
    animation-delay: 1.5s;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.scroll-indicator i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

/* ============================================
   SECTIONS COMMON STYLES
   ============================================ */
.section {
    padding: 100px 5%;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    font-size: 1rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.section-subtitle::before,
.section-subtitle::after {
    content: '';
    width: 50px;
    height: 2px;
    background: var(--gradient-primary);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-title span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background: var(--dark-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
}

.about-image {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
}

.about-image-wrapper img {
    width: 100%;
    border-radius: 20px;
    transition: transform var(--transition-medium);
}

.about-image-wrapper:hover img {
    transform: scale(1.05);
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    top: 20px;
    left: 20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--primary-color);
    border-radius: 20px;
    z-index: -1;
}

.experience-badge {
    position: absolute;
    bottom: 30px;
    right: -20px;
    background: var(--gradient-primary);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow-card);
}

.experience-badge .number {
    font-size: 2.5rem;
    font-weight: 800;
    display: block;
}

.experience-badge .text {
    font-size: 0.9rem;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--light-bg);
    border-radius: 15px;
    transition: all var(--transition-fast);
}

.stat-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-card);
}

.stat-item .number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-item .label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ============================================
   SERVICES SECTION
   ============================================ */
.services {
    background: var(--darker-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.service-card {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-medium);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity var(--transition-medium);
    z-index: 0;
}

.service-card:hover::before {
    opacity: 0.1;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-glow);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
    transition: all var(--transition-fast);
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.service-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.service-features {
    list-style: none;
    position: relative;
    z-index: 1;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.service-features li i {
    color: var(--primary-color);
}

.service-btn {
    margin-top: 1.5rem;
    position: relative;
    z-index: 1;
}

/* ============================================
   PORTFOLIO SECTION
   ============================================ */
.portfolio {
    background: var(--dark-bg);
}

.portfolio-filter {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.8rem 1.5rem;
    background: var(--light-bg);
    border: none;
    border-radius: 50px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--gradient-primary);
    color: white;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
    transition: all var(--transition-medium);
}

.portfolio-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-glow);
}

.portfolio-item img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform var(--transition-medium);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(15, 23, 42, 0.95), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-overlay h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.portfolio-overlay p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.portfolio-links {
    display: flex;
    gap: 1rem;
}

.portfolio-links a {
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: all var(--transition-fast);
}

.portfolio-links a:hover {
    background: var(--accent-color);
    transform: scale(1.1);
}

/* ============================================
   LEARNING SECTION
   ============================================ */
.learning {
    background: var(--darker-bg);
}

.learning-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
    align-items: center;
}

.learning-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.learning-info p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.learning-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.learning-card {
    background: var(--light-bg);
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.learning-card:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
}

.learning-card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.learning-card-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.learning-card-content p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.learning-progress {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 2rem;
}

.progress-item {
    margin-bottom: 1.5rem;
}

.progress-item:last-child {
    margin-bottom: 0;
}

.progress-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.progress-header span {
    font-weight: 500;
}

.progress-header .percent {
    color: var(--primary-color);
}

.progress-bar {
    height: 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-primary);
    border-radius: 5px;
    transition: width 1.5s ease;
    position: relative;
}

.progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

/* ============================================
   EXTENSION SERVICE SECTION
   ============================================ */
.extension {
    background: var(--dark-bg);
}

.extension-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
    align-items: center;
}

.extension-image {
    position: relative;
}

.extension-image img {
    width: 100%;
    border-radius: 20px;
}

.extension-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin: 2rem 0;
}

.extension-feature {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 1rem;
    background: var(--light-bg);
    border-radius: 10px;
    transition: all var(--transition-fast);
}

.extension-feature:hover {
    background: rgba(0, 212, 255, 0.1);
}

.extension-feature i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.extension-form {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 2rem;
}

.extension-form h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact {
    background: var(--darker-bg);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-card {
    background: var(--light-bg);
    border-radius: 15px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: all var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-card:hover {
    transform: translateX(10px);
    border-color: var(--primary-color);
}

.contact-card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-card-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.contact-card-content p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-social {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.contact-form-wrapper {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 2.5rem;
}

.contact-form-wrapper h3 {
    margin-bottom: 1.5rem;
    text-align: center;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-family: inherit;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.2);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-group #contact-service {
     background-color: var(--dark-bg);
}
.form-group #ext-type {
     background-color: var(--dark-bg);
}




/* ============================================
   AUTH SECTION (Login/Signup)
   ============================================ */
.auth-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 100px 5%;
    background: linear-gradient(135deg, var(--darker-bg) 0%, var(--dark-bg) 100%);
}

.auth-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1000px;
    width: 100%;
    background: var(--light-bg);
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.auth-image {
    background: var(--gradient-primary);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    text-align: center;
}

.auth-image img {
    width: 200px;
    margin-bottom: 2rem;
}

.auth-image h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.auth-image p {
    opacity: 0.9;
}

.auth-form-wrapper {
    padding: 3rem;
}

.auth-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.auth-tab {
    padding: 1rem 2rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-weight: 600;
    position: relative;
    transition: color var(--transition-fast);
}

.auth-tab.active {
    color: var(--primary-color);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
}

.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.social-login {
    margin-top: 2rem;
    text-align: center;
}

.social-login p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    position: relative;
}

.social-login p::before,
.social-login p::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 30%;
    height: 1px;
    background: rgba(255, 255, 255, 0.2);
}

.social-login p::before {
    left: 0;
}

.social-login p::after {
    right: 0;
}

.social-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.social-btn-large {
    padding: 0.8rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.social-btn-large:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--primary-color);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background: var(--darker-bg);
    padding: 60px 5% 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-brand .logo {
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.footer-social {
    display: flex;
    gap: 1rem;
}

.footer-links h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links ul li a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.footer-links ul li a:hover {
    color: var(--primary-color);
    padding-left: 5px;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.footer-bottom-links {
    display: flex;
    gap: 2rem;
}

.footer-bottom-links a {
    color: var(--text-secondary);
    font-size: 0.9rem;
    transition: color var(--transition-fast);
}

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

/* ============================================
   POLICY PAGES
   ============================================ */
.policy-section {
    padding: 150px 5% 100px;
    max-width: 900px;
    margin: 0 auto;
}

.policy-section h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.policy-date {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 3rem;
}

.policy-content h2 {
    font-size: 1.5rem;
    margin: 2rem 0 1rem;
    color: var(--primary-color);
}

.policy-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
}

.policy-content ul {
    list-style: disc;
    padding-left: 2rem;
    margin-bottom: 1rem;
}

.policy-content ul li {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

/* ============================================
   WHATSAPP FLOAT BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.8rem;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all var(--transition-fast);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

/* ============================================
   OFFER POPUP MODAL
   ============================================ */
body.modal-open {
    overflow: hidden;
}

.offer-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.78);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 2200;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-medium), visibility var(--transition-medium);
}

.offer-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.offer-modal {
    position: relative;
    width: min(96vw, 640px);
    max-height: min(92vh, 760px);
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.98) 0%, rgba(30, 41, 59, 0.98) 100%);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
    padding: 1.5rem 1.5rem 1.25rem;
    overflow-y: auto;
    transform: scale(0.92) translateY(18px);
    opacity: 0;
    transition: transform var(--transition-medium), opacity var(--transition-medium);
}

.offer-modal-overlay.active .offer-modal {
    transform: scale(1) translateY(0);
    opacity: 1;
}

.offer-modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
}

.offer-modal-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    padding: 0.4rem;
    overflow: hidden;
}

.offer-modal-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.offer-modal h2 {
    font-size: clamp(1.3rem, 2.2vw, 1.8rem);
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.offer-modal-list {
    list-style: none;
    display: grid;
    gap: 0.6rem;
    padding: 0;
    margin: 0 0 1rem;
}

.offer-modal-list li {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: var(--text-secondary);
    font-size: 0.96rem;
}

.offer-modal-highlight {
    font-weight: 700;
    color: var(--primary-color);
    text-align: center;
    margin-bottom: 0.8rem;
}

.offer-modal-copy,
.offer-modal-cta {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

.offer-modal-cta {
    font-weight: 600;
    color: var(--text-primary);
}

.offer-modal-actions {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.8rem;
    margin-top: 1rem;
}

.offer-modal-actions.single-column {
    grid-template-columns: 1fr;
}

.offer-action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    min-height: 46px;
    padding: 0.8rem 0.9rem;
    border-radius: 999px;
    border: none;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.offer-action-btn:hover {
    transform: translateY(-2px);
}

.whatsapp-btn {
    background: #25d366;
    color: #fff;
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.2);
}

.instagram-btn {
    background: linear-gradient(45deg, #f58529, #dd2a7b, #8134af, #515bd4);
    color: #fff;
}

.affiliate-btn,
.secondary-btn {
    background: rgba(0, 212, 255, 0.12);
    color: var(--text-primary);
    border: 1px solid rgba(0, 212, 255, 0.22);
}

.offer-modal-step {
    display: none;
}

.offer-modal-step.active {
    display: block;
    animation: fadeIn 0.25s ease;
}

.celebration-layer {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.celebration-piece {
    position: absolute;
    width: 10px;
    height: 16px;
    border-radius: 3px;
    background: var(--piece-color, var(--primary-color));
    opacity: 0;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.25);
    animation: celebration-burst 1.4s cubic-bezier(.2, .9, .2, 1) forwards;
}

@keyframes celebration-burst {
    0% {
        transform: translate3d(0, 0, 0) scale(0.35) rotate(0deg);
        opacity: 0;
    }
    20% {
        opacity: 1;
    }
    100% {
        transform: translate3d(var(--tx, 0px), var(--ty, 0px), 0) scale(0.9) rotate(var(--rot, 0deg));
        opacity: 0;
    }
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-medium);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--light-bg);
    border-radius: 20px;
    padding: 2rem;
    max-width: 500px;
    width: 90%;
    text-align: center;
    transform: scale(0.8);
    transition: transform var(--transition-medium);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    margin: 0 auto 1.5rem;
}

.modal h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.modal p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.modal-close {
    padding: 0.8rem 2rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 50px;
    color: white;
    cursor: pointer;
    font-weight: 600;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1200px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 992px) {
    .offer-modal-actions {
        grid-template-columns: 1fr;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--dark-bg);
        flex-direction: column;
        justify-content: flex-start;
        padding-top: 3rem;
        transition: left var(--transition-medium);
    }
    
    .nav-links.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        order: 2;
    }
    
    .hero-image {
        order: 1;
    }
    
    .hero-description {
        margin: 0 auto 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-social {
        justify-content: center;
    }
    
    .about-content,
    .learning-content,
    .extension-content,
    .contact-content {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        order: 1;
    }
    
    .about-text {
        order: 2;
    }
    
    .footer-content {
        grid-template-columns: 1fr 1fr;
    }
    
    .auth-container {
        grid-template-columns: 1fr;
    }
    
    .auth-image {
        display: none;
    }
}

@media (max-width: 768px) {
    .offer-modal {
        padding: 1.2rem 1rem 1rem;
        border-radius: 20px;
    }

    .offer-modal h2 {
        font-size: 1.35rem;
    }

    .offer-modal-list li {
        font-size: 0.9rem;
    }

    .offer-modal-actions {
        grid-template-columns: 1fr;
        gap: 0.7rem;
    }

    .offer-action-btn {
        width: 100%;
        min-height: 48px;
        font-size: 0.95rem;
    }

    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-image-wrapper {
        width: 300px;
        height: 300px;
    }
    
    .section {
        padding: 60px 5%;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .services-grid,
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .about-stats {
        grid-template-columns: 1fr;
    }
    
    .extension-features {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .experience-badge {
        right: 10px;
        padding: 1rem;
    }
    
    .experience-badge .number {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .typing-text {
        font-size: 1.1rem;
    }
    
    .btn {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }
    
    .hero-image-wrapper {
        width: 250px;
        height: 250px;
    }
    
    .float-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .service-card {
        padding: 1.5rem;
    }
    
    .contact-form-wrapper,
    .extension-form,
    .auth-form-wrapper {
        padding: 1.5rem;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.hidden { display: none !important; }
.visible { display: block !important; }

/* Loading Animation */
.loading {
    position: relative;
    pointer-events: none;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: rotate 1s linear infinite;
}

/* Success/Error Messages */
.message {
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.message-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid var(--success-color);
    color: var(--success-color);
}

.message-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error-color);
    color: var(--error-color);
}