/* ============================== */
/*           VARIABLES           */
/* ============================== */
:root {
    /* Primary Colors */
    --primary-color: #3498db;
    --primary-dark: #2980b9;
    --primary-light: #a3d0f5;
    --primary-bg: #e0f0ff;
    
    /* Secondary Colors */
    --secondary-color: #2c3e50;
    --secondary-light: #465a6e;
    --secondary-dark: #1a2530;
    
    /* Accent Colors */
    --accent-color: #e74c3c;
    --accent-dark: #c0392b;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    
    /* Text Colors */
    --text-dark: #333;
    --text-medium: #555;
    --text-light: #777;
    --text-white: #fff;
    
    /* Background Colors */
    --bg-light: #f0f7ff;
    --bg-white: #e8f4ff;
    --bg-dark: #222;
    
    /* Border Colors */
    --border-color: #e1e1e1;
    --border-dark: #ccc;
    
    /* Shadow */
    --shadow-sm: 0 2px 5px rgba(0,0,0,0.1);
    --shadow-md: 0 5px 15px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    
    /* Transitions */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 0.8s ease;
    
    /* Font Sizes */
    --fs-xs: 0.75rem;
    --fs-sm: 0.875rem;
    --fs-md: 1rem;
    --fs-lg: 1.125rem;
    --fs-xl: 1.25rem;
    --fs-2xl: 1.5rem;
    --fs-3xl: 1.875rem;
    --fs-4xl: 2.25rem;
    --fs-5xl: 3rem;
    
    /* Border Radius */
    --border-radius-sm: 3px;
    --border-radius-md: 5px;
    --border-radius-lg: 10px;
    --border-radius-xl: 15px;
    --border-radius-full: 50%;
    
    /* Content Width */
    --container-width: 1200px;
}



/* ============================== */
/*        BASE/RESET STYLES       */
/* ============================== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

ul, ol {
    list-style: none;
}

img, svg {
    max-width: 100%;
    height: auto;
    display: block;
}

button, input, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    border: none;
    outline: none;
    background: none;
}

button {
    cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    /* color: var(--secondary-color); */
    color: var(--bg-white);
}

h1 {
    font-size: var(--fs-5xl);
}

h2 {
    font-size: var(--fs-4xl);
}

h3 {
    font-size: var(--fs-3xl);
}

h4 {
    font-size: var(--fs-2xl);
}

h5 {
    font-size: var(--fs-xl);
}

h6 {
    font-size: var(--fs-lg);
}

p {
    margin-bottom: 1rem;
    color: var(--text-medium);
}

section {
    padding: 5rem 0;
    position: relative;
}

.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
    z-index: 1;
}

/* ============================== */
/*         UTILITY CLASSES        */
/* ============================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-fast);
    cursor: pointer;
}

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

.primary-btn:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--text-white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

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

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

.section-title {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title h2 {
    position: relative;
    display: inline-block;
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    color: var(--secondary-color);
}

.underline {
    height: 4px;
    width: 60px;
    background-color: var(--primary-color);
    margin: 0 auto;
    position: relative;
}

.underline::before {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 40px;
    height: 4px;
    background: var(--primary-light);
    animation: slide 2s infinite;
}

@keyframes slide {
    0% { left: 0; }
    50% { left: calc(100% - 40px); }
    100% { left: 0; }
}

/* ============================== */
/*          PRELOADER            */
/* ============================== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--secondary-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity var(--transition-medium);
    animation: fadeOut 1s ease-in-out 2s forwards; /* 7 second delay before fadeout */
}

.loader {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.loader-circles {
    position: absolute;
    width: 100%;
    height: 100%;
}

.circle-outer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 3px solid transparent;
    border-top-color: #3498db; /* Blue color from the image */
    border-right-color: #3498db;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

.circle-inner {
    position: absolute;
    top: 15px;
    left: 15px;
    width: 70%;
    height: 70%;
    border: 3px solid transparent;
    border-top-color: #3498db;
    border-right-color: #3498db;
    border-radius: 50%;
    animation: spin 0.75s linear infinite reverse;
}

.loader-text {
    position: absolute;
    font-size: 24px;
    font-weight: 700;
    color: #3498db;
    z-index: 2;
    font-family: 'Arial', sans-serif;
    letter-spacing: 0px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

@keyframes fadeOut {
    0% {
        opacity: 1;
        visibility: visible;
    }
    100% {
        opacity: 0;
        visibility: hidden;
    }
}

@keyframes rotate {
    100% {
        transform: rotate(360deg);
    }
}

@keyframes dash {
    0% {
        stroke-dashoffset: 160;
    }
    50% {
        stroke-dashoffset: 0;
    }
    100% {
        stroke-dashoffset: 160;
    }
}

/* ============================== */
/*            HEADER             */
/* ============================== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    padding: 1.5rem 0;
    transition: all var(--transition-fast);
}

header.scrolled {
    background-color: var(--bg-white);
    padding: 1rem 0;
    box-shadow: var(--shadow-sm);
}

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



.logo h1 {
    font-size: var(--fs-2xl);
    font-weight: 700;
    color: var(--text-white);
    margin: 0;
}

header.scrolled .logo h1 {
    color: var(--secondary-color);
}

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

.menu {
    display: flex;
    align-items: center;
}

.menu li {
    margin-left: 2rem;
}

.menu a {
    font-size: var(--fs-md);
    font-weight: 600;
    color: var(--text-white);
    padding: 0.5rem 0;
    position: relative;
}

header.scrolled .menu a {
    color: var(--text-dark);
}

.menu a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0%;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-fast);
}

.menu a:hover::after,
.menu a.active::after {
    width: 100%;
}

.menu a:hover,
.menu a.active {
    color: var(--primary-color);
}

.hamburger {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-white);
    position: absolute;
    left: 0;
    transition: all var(--transition-fast);
}

header.scrolled .hamburger span {
    background-color: var(--text-dark);
}

.hamburger span:nth-child(1) {
    top: 0;
}

.hamburger span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger span:nth-child(3) {
    bottom: 0;
}

.hamburger.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

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

.hamburger.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

/* ============================== */
/*          HOME SECTION          */
/* ============================== */
.home {
    height: 100vh;
    background: linear-gradient(to right, var(--secondary-dark), var(--secondary-color));
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.home::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%23ffffff' fill-opacity='0.05' fill-rule='evenodd'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.1;
}

/* Animated floating bubbles */
.home::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: 
        radial-gradient(circle at 15% 15%, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0) 30%),
        radial-gradient(circle at 85% 85%, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0) 30%),
        radial-gradient(circle at 75% 25%, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0) 25%),
        radial-gradient(circle at 25% 65%, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0) 25%);
}

.bubble {
    position: absolute;
    border-radius: 50%;
    background: rgba(52, 152, 219, 0.1);
    box-shadow: 0 0 10px rgba(52, 152, 219, 0.2), inset 0 0 10px rgba(52, 152, 219, 0.2);
    animation: float-bubble 15s infinite ease-in-out;
    z-index: 0;
}

.bubble:nth-child(1) {
    width: 100px;
    height: 100px;
    left: 10%;
    top: 20%;
    animation-duration: 18s;
    animation-delay: 0s;
}

.bubble:nth-child(2) {
    width: 80px;
    height: 80px;
    left: 70%;
    top: 10%;
    animation-duration: 22s;
    animation-delay: 1s;
}

.bubble:nth-child(3) {
    width: 120px;
    height: 120px;
    left: 25%;
    top: 60%;
    animation-duration: 25s;
    animation-delay: 2s;
}

.bubble:nth-child(4) {
    width: 50px;
    height: 50px;
    left: 80%;
    top: 70%;
    animation-duration: 15s;
    animation-delay: 3s;
}

@keyframes float-bubble {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.7;
    }
    25% {
        transform: translateY(-30px) translateX(20px) scale(1.05);
        opacity: 0.8;
    }
    50% {
        transform: translateY(0) translateX(40px) scale(1);
        opacity: 0.7;
    }
    75% {
        transform: translateY(30px) translateX(20px) scale(0.95);
        opacity: 0.8;
    }
}

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

.text-content {
    width: 50%;
    color: var(--text-white);
    z-index: 1;
}

.text-content h5 {
    font-size: var(--fs-xl);
    font-weight: 500;
    margin-bottom: 1rem;
}

.text-content h1 {
    font-size: var(--fs-5xl);
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-white);
}

.text-content h2 {
    font-size: var(--fs-4xl);
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.text-content h2 span {
    color: var(--primary-color);
}

.text-content p {
    font-size: var(--fs-lg);
    margin-bottom: 2rem;
    max-width: 600px;
    color: var(--text-white);
    opacity: 0.9;
}

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

.image-content {
    width: 40%;
    position: relative;
}

.profile-picture {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-img {
    width: 80%;
    height: auto;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    object-fit: cover;
    border: 5px solid var(--primary-color);
    z-index: 1;
    animation: float 6s ease-in-out infinite, morphing 10s ease-in-out infinite;
    box-shadow: var(--shadow-lg);
}

.profile-shape {
    position: absolute;
    width: 70%;
    height: 70%;
    border-radius: 50%;
    background-color: var(--primary-light);
    opacity: 0.3;
    top: 15%;
    left: 15%;
    filter: blur(30px);
    animation: pulse 5s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.3;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.4;
    }
}

.social-icons {
    position: fixed;
    left: 2rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 101;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(52, 152, 219, 0.2);
    color: var(--text-white);
    font-size: var(--fs-lg);
    transition: all var(--transition-fast);
    backdrop-filter: blur(4px);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 10px;
}

.social-icons a:hover {
    background-color: var(--primary-color);
    transform: translateY(-3px);
}

.scroll-down {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

.scroll-down a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: var(--text-white);
    font-size: var(--fs-lg);
    transition: all var(--transition-fast);
}

.scroll-down a:hover {
    background-color: var(--primary-dark);
}

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

/* ============================== */
/*         ABOUT SECTION          */
/* ============================== */
.about {
    background-color: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 5% 20%, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0) 40%),
        radial-gradient(circle at 95% 80%, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0) 40%);
}

.about::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(52, 152, 219, 0.08), rgba(52, 152, 219, 0.12));
    top: -150px;
    left: -150px;
    animation: about-blob 20s ease-in-out infinite alternate;
    z-index: 0;
    box-shadow: 0 0 50px rgba(52, 152, 219, 0.1);
}

@keyframes about-blob {
    0% {
        transform: translate(0, 0) scale(1);
    }
    100% {
        transform: translate(30px, 30px) scale(1.2);
    }
}

.about-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.about-image {
    width: 40%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-profile-img {
    width: 100%;
    max-width: 350px;
    height: auto;
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    object-fit: cover;
    border: 5px solid var(--primary-color);
    box-shadow: var(--shadow-lg);
    animation: morphing 10s ease-in-out infinite;
}

@keyframes morphing {
    0% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
    100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }
}

.about-text {
    width: 60%;
}

.about-text h3 {
    margin-bottom: 1.5rem;
    font-size: var(--fs-2xl);
    color: var(--secondary-color);
}

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

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

.info-item {
    display: flex;
    flex-direction: column;
}

.info-item span {
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.info-item p {
    margin: 0;
}

/* ============================== */
/*      EDUCATION/EXPERIENCE     */
/* ============================== */
.timeline-section {
    background-color: var(--primary-bg);
}

.timeline-tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
}

.tab-btn {
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    color: var(--text-medium);
    font-weight: 600;
    border-bottom: 2px solid transparent;
    transition: all var(--transition-fast);
    margin: 0 1rem;
}

.tab-btn.active, 
.tab-btn:hover {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.timeline-container {
    display: none;
}

.timeline-container.active {
    display: block;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::after {
    content: '';
    position: absolute;
    width: 4px;
    background-color: var(--primary-light);
    top: 0;
    bottom: 0;
    left: 20px;
    margin-left: -2px;
}

.timeline-item {
    position: relative;
    padding-left: 60px;
    margin-bottom: 3rem;
}

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: var(--primary-color);
    border-radius: 50%;
    left: 1px;
    top: 5px;
    z-index: 1;
}

.timeline-content {
    padding: 1.5rem;
    background-color: var(--bg-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.timeline-content:before {
    content: '';
    position: absolute;
    border-style: solid;
    border-width: 10px 10px 10px 0;
    border-color: transparent var(--bg-white) transparent transparent;
    top: 10px;
    left: -10px;
}

.timeline-date {
    color: var(--primary-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.timeline-content h3 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.timeline-content h4 {
    font-size: var(--fs-md);
    color: var(--text-medium);
    font-style: italic;
    margin-bottom: 1rem;
}

.timeline-content p {
    margin: 0;
}

/* ============================== */
/*        SKILLS SECTION          */
/* ============================== */
.skills {
    background-color: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 255, 255, 0.97);
    z-index: 0;
}

/* Create multiple bubbles for the skills section background */
.skills::after {
    display: none; /* Hide the previous gradient */
}

.skills {
    position: relative;
}

.skill-bubble {
    position: absolute;
    border-radius: 50%;
    background: rgba(52, 152, 219, 0.1);
    box-shadow: inset 0 0 10px rgba(52, 152, 219, 0.2);
    z-index: 0;
    animation: float-skill-bubble 20s infinite ease-in-out;
}

.skill-bubble:nth-child(1) {
    width: 120px;
    height: 120px;
    left: 10%;
    top: 15%;
    animation-duration: 22s;
    animation-delay: 0s;
}

.skill-bubble:nth-child(2) {
    width: 80px;
    height: 80px;
    left: 20%;
    top: 40%;
    animation-duration: 18s;
    animation-delay: 2s;
}

.skill-bubble:nth-child(3) {
    width: 150px;
    height: 150px;
    left: 75%;
    top: 25%;
    animation-duration: 25s;
    animation-delay: 1s;
}

.skill-bubble:nth-child(4) {
    width: 60px;
    height: 60px;
    left: 85%;
    top: 60%;
    animation-duration: 15s;
    animation-delay: 3s;
}

.skill-bubble:nth-child(5) {
    width: 100px;
    height: 100px;
    left: 40%;
    top: 70%;
    animation-duration: 20s;
    animation-delay: 4s;
}

.skill-bubble:nth-child(6) {
    width: 70px;
    height: 70px;
    left: 60%;
    top: 85%;
    animation-duration: 17s;
    animation-delay: 5s;
}

.skill-bubble:nth-child(7) {
    width: 90px;
    height: 90px;
    left: 5%;
    top: 80%;
    animation-duration: 23s;
    animation-delay: 6s;
}

@keyframes float-skill-bubble {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.7;
    }
    25% {
        transform: translateY(-20px) translateX(10px) scale(1.05);
        opacity: 0.8;
    }
    50% {
        transform: translateY(0) translateX(20px) scale(1);
        opacity: 0.7;
    }
    75% {
        transform: translateY(20px) translateX(10px) scale(0.95);
        opacity: 0.8;
    }
}

@keyframes skillsBackgroundMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 40px 40px;
    }
}

.skills-container {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 3rem;
}

.skills-category {
    width: 48%;
}

.skills-category h3 {
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-light);
    color: var(--secondary-color);
}

.skill-bars {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.skill-item {
    width: 100%;
    background-color: #ffffff;
    padding: 1rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

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

.skill-info p {
    margin: 0;
    font-weight: 600;
}

.skill-bar {
    height: 10px;
    background-color: var(--primary-bg);
    border-radius: var(--border-radius-full);
    overflow: hidden;
}

.skill-level {
    height: 100%;
    background-color: var(--primary-color);
    border-radius: var(--border-radius-full);
    position: relative;
    width: 0;
    transition: width 1.5s ease-in-out;
}

.skill-circular {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 1.5rem;
}

.circular-progress {
    position: relative;
    width: 45%;
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 2rem;
}

.skill-label {
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

.circle {
    position: relative;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background: conic-gradient(var(--primary-color) 0%, var(--primary-bg) 0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 1.5s ease-in-out;
}

.inner-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--bg-white);
}

.percentage {
    position: absolute;
    font-weight: 600;
    font-size: var(--fs-lg);
    color: var(--primary-color);
}

.tools-skills {
    margin-top: 3rem;
}

.tools-skills h3 {
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--primary-light);
    color: var(--secondary-color);
    text-align: center;
}

.tool-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.tool-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100px;
    transition: transform var(--transition-fast);
}

.tool-item i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.tool-item span {
    font-size: var(--fs-sm);
    font-weight: 600;
    text-align: center;
}

.tool-item:hover {
    transform: translateY(-5px);
}

/* ============================== */
/*      CERTIFICATES SECTION      */
/* ============================== */
.certificates {
    background-color: var(--primary-bg);
}

.certificates-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.certificate-item {
    background-color: var(--bg-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.certificate-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

.certificate-content h3 {
    font-size: var(--fs-xl);
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.certificate-content p {
    margin-bottom: 0.5rem;
    color: var(--text-medium);
}

.certificate-date {
    display: block;
    font-size: var(--fs-sm);
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.certificate-links {
    margin-top: 1rem;
}

.btn-view {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--primary-bg);
    color: var(--primary-color);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

/* ============================== */
/*        PROJECTS SECTION        */
/* ============================== */
.projects {
    background-color: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        linear-gradient(135deg, rgba(52, 152, 219, 0.08) 0%, transparent 70%),
        linear-gradient(45deg, transparent 0%, rgba(52, 152, 219, 0.08) 70%);
    z-index: 0;
}

.projects::after {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0) 70%);
    border-radius: 50%;
    right: -200px;
    top: 50%;
    animation: projects-circle 20s ease-in-out infinite;
    z-index: 0;
    box-shadow: 0 0 80px rgba(52, 152, 219, 0.1);
}

@keyframes projects-circle {
    0%, 100% {
        transform: translateY(-50%) scale(1);
        opacity: 0.5;
    }
    50% {
        transform: translateY(-60%) scale(1.2);
        opacity: 0.8;
    }
}

.project-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    margin: 0.25rem 0.5rem;
    background-color: var(--bg-light);
    border-radius: var(--border-radius-md);
    color: var(--text-medium);
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

.projects-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: #ffffff;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.project-img {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.project-img svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-fast);
}

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

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    font-size: var(--fs-xl);
    margin-bottom: 0.75rem;
    color: var(--secondary-color);
}

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

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tags span {
    padding: 0.25rem 0.75rem;
    background-color: var(--primary-bg);
    border-radius: var(--border-radius-md);
    font-size: var(--fs-xs);
    font-weight: 600;
    color: var(--primary-color);
}

.project-links {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.btn-view {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: var(--primary-bg);
    color: var(--primary-color);
    border-radius: var(--border-radius-md);
    font-weight: 600;
    transition: all var(--transition-fast);
}

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

.github-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    transition: all var(--transition-fast);
}

.github-link:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
}

.project-card.hide {
    display: none;
}

/* ============================== */
/*      ACHIEVEMENTS SECTION      */
/* ============================== */
.achievements {
    background-color: var(--primary-bg);
}

.achievements-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.achievement-item {
    background-color: var(--bg-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

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

.achievement-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

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

.achievement-content h3 {
    font-size: var(--fs-xl);
    margin-bottom: 0.75rem;
    color: var(--secondary-color);
}

.achievement-content p {
    margin-bottom: 0.5rem;
    color: var(--text-medium);
}

.achievement-date {
    display: block;
    font-size: var(--fs-sm);
    color: var(--text-light);
}

/* Counter section removed */

/* ============================== */
/*        CONTACT SECTION         */
/* ============================== */
.contact {
    background-color: var(--bg-white);
    position: relative;
    overflow: hidden;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 90%, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0) 50%),
        radial-gradient(circle at 90% 10%, rgba(52, 152, 219, 0.1) 0%, rgba(52, 152, 219, 0) 50%);
    z-index: 0;
}

.contact::after {
    content: '';
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: linear-gradient(45deg, rgba(52, 152, 219, 0.08), rgba(52, 152, 219, 0.12));
    bottom: -150px;
    right: -150px;
    animation: contact-blob 15s ease-in-out infinite alternate;
    z-index: 0;
    box-shadow: 0 0 60px rgba(52, 152, 219, 0.1);
}

.contact-form::before {
    content: '';
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.06), rgba(52, 152, 219, 0.1));
    top: -100px;
    left: -100px;
    animation: pulse 10s ease-in-out infinite;
    z-index: -1;
}

@keyframes contact-blob {
    0% {
        transform: translate(0, 0) scale(1);
    }
    100% {
        transform: translate(-50px, -50px) scale(1.2);
    }
}

.contact-container {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
}

.contact-info {
    width: 40%;
}

.contact-info h3 {
    font-size: var(--fs-2xl);
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

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

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.icon {
    width: 40px;
    height: 40px;
    background-color: var(--primary-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
}

.icon i {
    color: var(--primary-color);
    font-size: var(--fs-md);
}

.text h4 {
    font-size: var(--fs-md);
    margin-bottom: 0.25rem;
    color: var(--secondary-color);
}

.text p {
    margin: 0;
    color: var(--text-medium);
}

.social-links, .contact-social-links {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-links a, .contact-social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-bg);
    color: var(--primary-color);
    font-size: var(--fs-md);
    transition: all var(--transition-fast);
}

.social-links a:hover, .contact-social-links a:hover {
    background-color: var(--primary-color);
    color: var(--text-white);
    transform: translateY(-3px);
}

.contact-form {
    width: 55%;
    padding: 2rem;
    background-color: var(--bg-white);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

form {
    width: 100%;
}

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

form input,
form textarea {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background-color: #ffffff;
    font-size: var(--fs-md);
    transition: border-color var(--transition-fast);
}

form input:focus,
form textarea:focus {
    border-color: var(--primary-color);
}

form i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-light);
}

form textarea {
    height: 150px;
    resize: none;
}

form textarea + i {
    top: 1.5rem;
    transform: none;
}

.submit-btn {
    width: 100%;
    padding: 1rem;
    background-color: var(--primary-color);
    color: var(--text-white);
    font-weight: 600;
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all var(--transition-fast);
}

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

.submit-btn i {
    position: static;
    transform: none;
    color: var(--text-white);
}

/* ============================== */
/*            FOOTER              */
/* ============================== */
footer {
    background-color: var(--secondary-color);
    color: var(--text-white);
    padding: 3rem 0 1rem;
}

.footer-content {
    text-align: center;
    margin-bottom: 2rem;
}

footer .logo h2 {
    font-size: var(--fs-2xl);
    color: var(--text-white);
    margin-bottom: 1rem;
}

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

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

footer .social-links {
    justify-content: center;
    margin-top: 0;
}

footer .social-links a {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-white);
}

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

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    margin: 0;
    font-size: var(--fs-sm);
}

.back-to-top {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-white);
    transition: all var(--transition-fast);
}

.back-to-top:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
}

/* ============================== */
/*        RESPONSIVE DESIGN       */
/* ============================== */
@media screen and (max-width: 1200px) {
    .container {
        width: 95%;
    }
}

@media screen and (max-width: 992px) {
    html {
        font-size: 15px;
    }
    
    .home-content {
        flex-direction: column;
        gap: 3rem;
    }
    
    .text-content,
    .image-content {
        width: 100%;
        text-align: center;
    }
    
    .cta-buttons {
        justify-content: center;
    }
    
    .social-icons {
        position: relative;
        flex-direction: row;
        justify-content: center;
        margin-top: 2rem;
        left: auto;
        transform: none;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .about-image,
    .about-text {
        width: 100%;
        text-align: center;
    }
    
    .about-image {
        margin-bottom: 2rem;
    }
    
    .about-image svg {
        max-width: 300px;
        margin: 0 auto;
    }
    
    .personal-info {
        justify-content: center;
    }
    
    .skills-container {
        flex-direction: column;
    }
    
    .skills-category {
        width: 100%;
    }
    
    .contact-container {
        flex-direction: column;
    }
    
    .contact-info,
    .contact-form {
        width: 100%;
    }
    
    .contact-info {
        margin-bottom: 2rem;
    }
    
    .circular-progress {
        width: 48%;
    }
}

@media screen and (max-width: 768px) {
    nav {
        display: flex;
        align-items: center;
    }
    
    .hamburger {
        display: block;
    }
    
    .menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--bg-white);
        flex-direction: column;
        justify-content: center;
        padding: 2rem;
        z-index: 1000;
        transition: right var(--transition-fast);
        box-shadow: var(--shadow-md);
    }
    
    .menu.active {
        right: 0;
    }
    
    .menu li {
        margin: 1rem 0;
    }
    
    .menu a {
        color: var(--text-dark);
        font-size: var(--fs-lg);
    }
    
    .text-content h1 {
        font-size: var(--fs-4xl);
    }
    
    .text-content h2 {
        font-size: var(--fs-3xl);
    }
    
    .timeline-tabs {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .project-filters {
        flex-direction: column;
        align-items: center;
        gap: 0.5rem;
    }
    
    .filter-btn {
        width: 200px;
        text-align: center;
    }
    
    .certificates-container,
    .achievements-container,
    .projects-container {
        grid-template-columns: 1fr;
    }
    
    .circular-progress {
        width: 100%;
    }
    
    /* Counter styles removed */
}

@media screen and (max-width: 576px) {
    .personal-info {
        grid-template-columns: 1fr;
    }
    
    /* Counter styles removed */
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
    }
}