:root {
    --primary: #ee8f00;
    --primary-light: #ffb84d;
    --primary-dark: #cc7a00;
    --black: #0a0a0a;
    --white: #ffffff;
    --gray-50: #fafafa;
    --gray-100: #f5f5f5;
    --gray-200: #eeeeee;
    --gray-300: #e0e0e0;
    --gray-400: #bdbdbd;
    --gray-500: #9e9e9e;
    --gray-600: #757575;
    --gray-700: #616161;
    --gray-800: #424242;
    --gray-900: #212121;

    --gradient-primary: linear-gradient(135deg, #ee8f00 0%, #ffb84d 100%);
    --gradient-dark: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);

    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
    --shadow-glow: 0 0 20px rgba(238, 143, 0, 0.3);

    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    /* Consistent typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 4rem;

    /* Consistent spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 0.75rem;
    --spacing-base: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 2.5rem;
    --spacing-3xl: 3rem;
    --spacing-4xl: 4rem;
    --spacing-5xl: 6rem;
    --spacing-6xl: 8rem;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--gray-800);
    background: var(--white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Consistent Section Styles */
section {
    padding: var(--spacing-6xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.section-badge {
    display: inline-block;
    background: rgba(238, 143, 0, 0.1);
    color: var(--primary);
    padding: var(--spacing-sm) var(--spacing-base);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-base);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-title h2 {

    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--spacing-base);
    color: var(--gray-900);
}

.section-title p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Dark section variants */
.dark-section {
    background: var(--black);
    color: var(--white);
}

.dark-section .section-title h2 {
    color: var(--white);
}

.dark-section .section-title p {
    color: rgba(255, 255, 255, 0.7);
}

.dark-section .section-badge {
    color: var(--primary);
}

/* Modern Navigation */
.navbar {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50px;
    padding: 12px 24px;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-logo {
    padding: 0px;
    margin-top: 10px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-xs);
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    font-size: var(--font-size-sm);
    padding: var(--spacing-sm) var(--spacing-base);
    border-radius: 20px;
    transition: all 0.3s ease;
    padding-left: 30px;
    padding-right: 30px;

    padding-top: 10px;
    padding-bottom: 10px;

}


.nav-menu a.active {
    padding-left: 30px;
    padding-right: 30px;

    padding-top: 10px;
    padding-bottom: 10px;


    color: var(--white);
    background: var(--gradient-primary);
    transform: translateY(-1px);
}




.nav-menu a:hover {
    padding-left: 30px;
    padding-right: 30px;

    padding-top: 10px;
    padding-bottom: 10px;

    color: var(--gray-700);
    border: 1px solid #ee8f00;
    transform: translateY(-1px);
}



/* Mobile Navigation */
.nav-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    margin: 3px 0;
    transition: 0.3s;
    border-radius: 2px;
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Modern Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(238, 143, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(238, 143, 0, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.floating-shape {
    position: absolute;
    opacity: 0.2;
    animation: float 6s ease-in-out infinite;
}

.floating-shape:nth-child(1) {
    z-index: 1;
    top: 20%;
    left: 30%;
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 50%;
    animation-delay: 0s;
}

.floating-shape:nth-child(2) {
    top: 60%;
    right: 15%;
    width: 120px;
    height: 120px;
    border: 2px solid var(--primary);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation-delay: -2s;
}

.floating-shape:nth-child(3) {
    bottom: 20%;
    left: 15%;
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation-delay: -4s;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content {

    color: var(--white);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(238, 143, 0, 0.1);
    border: 1px solid rgba(238, 143, 0, 0.2);
    border-radius: 50px;
    padding: var(--spacing-sm) var(--spacing-base);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--primary);
    margin-bottom: var(--spacing-xl);
    animation: slideInUp 0.8s ease-out;
}

.hero-badge::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: var(--font-size-5xl);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
    letter-spacing: -0.03em;
    animation: slideInUp 0.8s ease-out 0.2s both;
}

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

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
    animation: slideInUp 0.8s ease-out 0.4s both;
}

.hero-description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    margin-bottom: var(--spacing-2xl);
    max-width: 500px;
    animation: slideInUp 0.8s ease-out 0.6s both;
}

.hero-actions {
    display: flex;
    gap: var(--spacing-base);
    margin-bottom: var(--spacing-3xl);
    animation: slideInUp 0.8s ease-out 0.8s both;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    font-size: var(--font-size-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(238, 143, 0, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(238, 143, 0, 0.4);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.hero-social {
    display: flex;
    gap: var(--spacing-base);
    animation: slideInUp 0.8s ease-out 1s both;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-link:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.hero-image {
    position: relative;
    animation: slideInUp 0.8s ease-out 0.4s both;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

.hero-img {
    width: 100%;
    height: 700px;
    object-fit: cover;
    border-radius: var(--border-radius-xl);
    position: relative;
    z-index: 1;

    transition: transform 0.5s ease;
}

.hero-img:hover {
    transform: scale(1.02);
}

/* Container for all sections */
.container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 0 var(--spacing-xl);
}

/* About Section */
.about {
    background: var(--gray-50);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-4xl);
    align-items: start;
}

.about-text h3 {
    font-size: var(--font-size-3xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    color: var(--gray-900);
}

.about-text p {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.stat-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--primary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 500;
}

.about-img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Experience Section */
.experience {

    background: var(--black);
    color: var(--white);
}

.timeline {
    max-width: 1300px;
    position: relative;
    margin: auto;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
}

.timeline-item {
    position: relative;
    padding: var(--spacing-xl) 0 var(--spacing-xl) var(--spacing-4xl);
    margin-left: var(--spacing-base);
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -7px;
    top: 2.5rem;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border: 4px solid var(--black);
    border-radius: 50%;
    box-shadow: var(--shadow-glow);
}

.timeline-content {
    background: rgba(255, 255, 255, 0.05);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.timeline-date {
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline-title {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.timeline-company {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--spacing-base);
    font-size: var(--font-size-base);
}

.timeline-description {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    font-size: var(--font-size-base);
}

.timeline-description ul {
    margin-top: var(--spacing-base);
    margin-left: var(--spacing-base);
}

.timeline-description li {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-xs);
}

/* Education Section */
.education-section {
    background: var(--white);
}

.education-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-5xl);
    align-items: center;
    margin-top: var(--spacing-4xl);
}

.education-text h3 {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    margin-bottom: var(--spacing-xl);
    color: var(--black);
}

.education-description {
    font-size: var(--font-size-lg);
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-xl);
}

.education-features {
    display: grid;
    gap: var(--spacing-base);

}

.education-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-base);
    padding: var(--spacing-base);
    background: var(--gray-100);
    border-radius: var(--border-radius);
    transition: all 0.3s ease;
    text-decoration: none;
}

.education-feature:hover {
    background: var(--white);
    transform: translateX(8px);
    box-shadow: var(--shadow);
}

.education-feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    color: var(--white);
    flex-shrink: 0;
}

.education-feature-text {
    font-weight: 600;
    color: var(--black);
    font-size: var(--font-size-base);
}

.education-year {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--gray-600);
    font-weight: 400;
    margin-top: var(--spacing-xs);
}

.education-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-base);
}

.education-image {
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: transform 0.4s ease;
}

.education-image:hover {
    transform: scale(1.02);
}

.education-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.education-image.large img {
    height: 510px;
}

/* Certifications Section */
.certifications {
    background: var(--black);
    color: var(--white);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-4xl);
}

.certification-item {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
    border: 1px solid rgba(238, 143, 0, 0.2);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-2xl);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(20px);
    text-decoration: none;
    color: inherit;
    position: relative;
    overflow: hidden;
    display: block;
}

.certification-item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.certification-item:hover::before {
    transform: scaleX(1);
}

.certification-item:hover {
    transform: translateY(-8px);
    border-color: rgba(238, 143, 0, 0.4);
    box-shadow: 0 20px 40px rgba(238, 143, 0, 0.15);
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.04) 100%);
}

.certification-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-base);
    margin-bottom: var(--spacing-lg);
    margin-top: 30px;
}

.certification-icon {
    font-size: var(--font-size-3xl);
    color: var(--primary);

    width: 60px;
    height: 60px;
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;

}

.certification-item:hover .certification-icon {
    transform: scale(1.1);
    border-radius: 100%;
}

.certification-icon img {

    border-radius: 100%;
}

.certification-content {

    flex: 1;
}

.certification-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
    color: var(--white);
    line-height: 1.3;
}

.certification-issuer {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    font-weight: 500;
    margin-bottom: var(--spacing-xs);
}

.certification-date {
    color: var(--primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    background: rgba(238, 143, 0, 0.1);
    padding: 4px 8px;
    border-radius: 12px;
    display: inline-block;
}

.certification-badge {
    position: absolute;
    top: var(--spacing-base);
    right: var(--spacing-base);
    border: 1px solid #ee8f00;
    color: var(--white);
    font-size: var(--font-size-xs);
    padding: 4px 8px;
    border-radius: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;

}



/* Skills Section */
.skills {
    background: var(--gray-50);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
}

.skill-category {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--gray-200);
    transition: all 0.3s ease;
}

.skill-category:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.skill-category h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--gray-900);
}

.skill-category i {
    color: var(--primary);
    font-size: var(--font-size-2xl);
}

.skills-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.skill-tag {
    background: var(--gray-100);
    color: var(--gray-700);
    padding: var(--spacing-sm) var(--spacing-base);
    border-radius: 20px;
    font-size: var(--font-size-sm);
    font-weight: 500;
    transition: all 0.3s ease;
}

.skill-tag:hover {
    background: var(--gradient-primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* Projects Section */
.projects {
    background: var(--black);
    color: var(--white);

}


.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.project-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(238, 143, 0, 0.2);
}

.project-image {
    height: 200px;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.project-image i {
    font-size: var(--font-size-4xl);
    color: var(--white);
    opacity: 0.9;
    z-index: 2;
}

.project-content {
    padding: var(--spacing-lg);
}

.project-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--white);
}

.project-description {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-sm);
    line-height: 1.5;
    margin-bottom: var(--spacing-base);
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-base);
}

.tech-tag {
    background: rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.8);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: var(--font-size-xs);
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: var(--spacing-base);
}

.project-link {
    color: var(--primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.3s ease;
}

.project-link:hover {
    color: var(--white);
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
    text-align: center;
}

.footer-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-base);
    margin-bottom: var(--spacing-xl);
}

.footer-social .social-link {
    background: var(--gray-800);
}

.footer-social .social-link:hover {
    background: var(--gradient-primary);
}

.footer p {
    color: var(--gray-400);
    font-size: var(--font-size-sm);
}

/* Animations */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px) rotate(0deg);
    }

    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.7;
        transform: scale(1.1);
    }
}

/* Scroll Animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1200px) {
    .projects-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .certifications-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 992px) {
    :root {
        --spacing-6xl: 4rem;
        --spacing-5xl: 3rem;
        --spacing-4xl: 2.5rem;
    }

    .hero-container {
        gap: var(--spacing-2xl);
    }

    .about-content {
        gap: var(--spacing-2xl);
    }

    .education-content {
        gap: var(--spacing-2xl);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
        --spacing-6xl: 3rem;
        --spacing-5xl: 2rem;
        --spacing-4xl: 1.5rem;
    }

    /* Mobile Navigation */
    .navbar {
        top: 10px;
        left: 10px;
        right: 10px;
        transform: none;
        border-radius: 20px;
        padding: 12px 20px;
    }

    .nav-container {
        justify-content: space-between;
        gap: var(--spacing-base);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 10px;
        right: 10px;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        border-radius: 20px;
        box-shadow: var(--shadow-lg);
        flex-direction: column;
        gap: 0;
        padding: var(--spacing-base);
        transform: translateY(-100vh);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        width: 100%;
        text-align: center;
        padding: var(--spacing-base) var(--spacing-lg);
        margin: 2px 0;
        border-radius: 12px;
    }

    /* Hero Section Mobile Layout */
    .hero {
        min-height: auto;
        padding: 100px 0 var(--spacing-4xl);
    }

    .hero-container {
        grid-template-columns: 1fr;
        grid-template-areas:
            "content"
            "image"
            "actions";
        gap: var(--spacing-xl);
        text-align: center;
    }

    .hero-content {
        grid-area: content;
        order: 1;
    }

    .hero-image {
        grid-area: image;
        order: 2;
        margin-top: var(--spacing-xl);
    }

    .hero-img {
        height: 400px;
        max-width: 350px;
        margin: 0 auto;
    }

    .hero-actions {
        grid-area: actions;
        order: 3;
        flex-direction: column;
        align-items: center;
        margin-top: var(--spacing-lg);
    }

    .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }

    .hero-social {
        justify-content: center;
        margin-top: var(--spacing-lg);
    }

    /* About Section Mobile */
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
        text-align: center;
    }

    .about-text {
        order: 1;
    }

    .about-image {
        order: 2;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-base);
        margin-top: var(--spacing-lg);
    }

    .stat-card {
        padding: var(--spacing-lg);
    }

    .stat-number {
        font-size: var(--font-size-3xl);
    }

    /* Education Section Mobile */
    .education-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .education-images {
        grid-template-columns: 1fr;
    }

    .education-image img,
    .education-image.large img {
        height: 200px;
    }

    /* Timeline Mobile */
    .timeline::before {
        left: var(--spacing-base);
    }

    .timeline-item {
        padding-left: var(--spacing-3xl);
        margin-left: 0;
    }

    .timeline-item::before {
        left: 4px;
    }

    .timeline-content {
        padding: var(--spacing-base);
    }

    .timeline-title {
        font-size: var(--font-size-lg);
    }

    /* Skills Grid Mobile */
    .skills-grid {
        grid-template-columns: 1fr;
    }

    .skill-category {
        padding: var(--spacing-lg);
    }

    /* Projects Grid Mobile */
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .project-card {
        max-width: none;
    }

    /* Certifications Mobile */
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-base);
    }

    .certification-item {
        padding: var(--spacing-lg);
    }

    .certification-header {
        flex-direction: row;
        align-items: center;
        text-align: left;
    }

    .certification-icon {
        width: 50px;
        height: 50px;
    }

    /* Section padding adjustments */
    section {
        padding: var(--spacing-4xl) 0;
    }

    .section-title {
        margin-bottom: var(--spacing-2xl);
    }

    .section-title h2 {
        font-size: var(--font-size-3xl);
    }

    .container {
        padding: 0 var(--spacing-base);
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-4xl: 1.75rem;
        --font-size-3xl: 1.375rem;
    }

    .hero-title {
        font-size: 2.2rem;
        line-height: 1.1;
    }

    .hero-subtitle {
        font-size: var(--font-size-base);
    }

    .hero-description {
        font-size: var(--font-size-base);
    }

    .hero-img {
        height: 320px;
        max-width: 280px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .stat-card {
        padding: var(--spacing-base);
    }

    .timeline-content {
        padding: var(--spacing-sm);
    }

    .certification-header {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-sm);
    }

    .certification-icon {
        width: 40px;
        height: 40px;
    }

    .btn {
        padding: 12px 24px;
        font-size: var(--font-size-sm);
    }
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}