* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #f97316;
    --secondary: #f43f5e;
    --dark: #0f172a;
    --darker: #020617;
    --light: #f8fafc;
    --gray: #64748b;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--light);
    color: #1e293b;
    line-height: 1.6;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    padding: 0 2rem;
    transition: all 0.3s;
}

nav.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 14px;
}

.nav-brand span {
    color: white;
    font-weight: 700;
    font-size: 18px;
    display: none;
}

@media (min-width: 640px) {
    .nav-brand span {
        display: block;
    }
}

.nav-links {
    display: none;
    gap: 8px;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-links a {
    color: #cbd5e1;
    text-decoration: none;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary);
    background: rgba(255, 255, 255, 0.1);
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

@media (min-width: 768px) {
    .mobile-menu-btn {
        display: none;
    }
}

.mobile-menu-btn span {
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s;
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(10px);
    padding: 16px;
    border-radius: 0 0 12px 12px;
}

.mobile-menu.open {
    display: block;
}

.mobile-menu a {
    display: block;
    color: #cbd5e1;
    text-decoration: none;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}

.mobile-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 50%, var(--darker) 100%);
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 400px;
    height: 400px;
    background: var(--primary);
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.2;
    animation: pulse 4s ease-in-out infinite;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 20%;
    right: 20%;
    width: 400px;
    height: 400px;
    background: var(--secondary);
    border-radius: 50%;
    filter: blur(150px);
    opacity: 0.2;
    animation: pulse 4s ease-in-out infinite 2s;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.2;
    }
    50% {
        transform: scale(1.1);
        opacity: 0.3;
    }
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 120px 2rem 80px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 48px;
    position: relative;
    z-index: 1;
}

@media (min-width: 1024px) {
    .hero-container {
        flex-direction: row;
        text-align: left;
    }
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 192px;
    height: 192px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

@media (min-width: 640px) {
    .hero-image img {
        width: 256px;
        height: 256px;
    }
}

.hero-badge {
    position: absolute;
    bottom: -10px;
    right: -10px;
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
}

.hero-content {
    text-align: center;
}

@media (min-width: 1024px) {
    .hero-content {
        text-align: left;
    }
}

.hero-content h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 16px;
    line-height: 1.1;
}

@media (min-width: 640px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }
}

@media (min-width: 1024px) {
    .hero-content h1 {
        font-size: 4rem;
    }
}

.hero-content .title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 24px;
}

@media (min-width: 640px) {
    .hero-content .title {
        font-size: 1.5rem;
    }
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 24px;
}

@media (min-width: 1024px) {
    .hero-badges {
        justify-content: flex-start;
    }
}

.hero-badges span {
    padding: 6px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 9999px;
    color: #e2e8f0;
    font-size: 14px;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

@media (min-width: 1024px) {
    .hero-buttons {
        justify-content: flex-start;
    }
}

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s;
    box-shadow: 0 10px 15px -3px rgba(249, 115, 22, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 25px -5px rgba(249, 115, 22, 0.4);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s;
}

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

.hero-contact {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
    color: #cbd5e1;
}

@media (min-width: 1024px) {
    .hero-contact {
        justify-content: flex-start;
    }
}

.hero-contact a,
.hero-contact span {
    display: flex;
    align-items: center;
    gap: 8px;
    color: #cbd5e1;
    text-decoration: none;
    font-size: 14px;
}

.hero-contact a:hover {
    color: var(--primary);
}

.hero-contact .fa-phone,
.hero-contact .fa-envelope,
.hero-contact .fa-globe,
.hero-contact .fa-map-marker-alt {
    color: var(--primary);
}

.hero-status {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
    margin-top: 16px;
}

@media (min-width: 1024px) {
    .hero-status {
        justify-content: flex-start;
    }
}

.status-badge {
    padding: 4px 12px;
    border-radius: 9999px;
    font-size: 12px;
    font-weight: 500;
}

.status-green {
    background: rgba(34, 197, 94, 0.2);
    color: #4ade80;
}

.status-blue {
    background: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
}

.status-purple {
    background: rgba(168, 85, 247, 0.2);
    color: #c084fc;
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.5);
    animation: bounce 2s infinite;
}

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

/* Sections */
.section {
    padding: 80px 2rem;
}

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

.section-light {
    background: var(--light);
}

.section-gradient {
    background: linear-gradient(135deg, var(--light) 0%, #fff7ed 100%);
}

.section-container {
    max-width: 1280px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-label {
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 14px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-top: 8px;
}

@media (min-width: 640px) {
    .section-title {
        font-size: 3rem;
    }
}

.section-title-dark {
    color: white;
}

.section-title-light {
    color: #0f172a;
}

/* Cards */
.card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    border: 1px solid #e2e8f0;
}

.card-dark {
    background: linear-gradient(135deg, #1e293b 0%, #1e293b00 100%);
    border: 1px solid #334155;
}

.card-gradient {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
}

/* About Section */
.about-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

@media (min-width: 1024px) {
    .about-stats {
        grid-template-columns: repeat(4, 1fr);
    }
}

.stat-item {
    text-align: center;
    padding: 16px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border-bottom: 4px solid var(--primary);
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: #0f172a;
}

.stat-label {
    color: #64748b;
    font-size: 14px;
    margin-top: 4px;
}

.about-text {
    color: #475569;
    margin-bottom: 32px;
}

.about-text p {
    margin-bottom: 16px;
}

.about-highlight {
    font-size: 1.125rem;
    font-weight: 500;
    color: #0f172a;
    border-left: 4px solid var(--primary);
    padding-left: 16px;
    margin-bottom: 16px;
}

.languages {
    border-top: 1px solid #e2e8f0;
    padding-top: 24px;
}

.languages h4 {
    font-size: 18px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 16px;
}

.language-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.language-tag {
    padding: 8px 16px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 500;
}

/* Experience Section */
.experience-card {
    background: linear-gradient(135deg, #1e293b 0%, #1e293b80 100%);
    border: 1px solid #334155;
    border-radius: 24px;
    padding: 32px;
    margin-bottom: 32px;
}

.experience-header {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

@media (min-width: 640px) {
    .experience-header {
        flex-direction: row;
        justify-content: space-between;
        align-items: flex-start;
    }
}

.experience-company {
    display: flex;
    align-items: center;
    gap: 16px;
}

.experience-company i {
    color: var(--primary);
    font-size: 28px;
}

.experience-company h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.experience-company p {
    color: #94a3b8;
    margin-top: 4px;
}

.experience-period {
    padding: 6px 16px;
    background: rgba(249, 115, 22, 0.2);
    color: var(--primary);
    border-radius: 9999px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
}

.experience-roles {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.role-item {
    border-left: 4px solid var(--primary);
    padding-left: 24px;
}

.role-item.secondary {
    border-left-color: #475569;
}

.role-item h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

.role-item .role-period {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-size: 14px;
    margin-bottom: 16px;
}

.role-item.secondary .role-period {
    color: #94a3b8;
}

.role-item ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.role-item li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: #cbd5e1;
}

.role-item.secondary li {
    color: #94a3b8;
}

.role-item li::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    margin-top: 8px;
    flex-shrink: 0;
}

.role-item.secondary li::before {
    background: #475569;
}

.previous-roles {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
}

@media (min-width: 768px) {
    .previous-roles {
        grid-template-columns: repeat(3, 1fr);
    }
}

.prev-role-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid #334155;
    border-radius: 16px;
    padding: 24px;
}

.prev-role-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: white;
    margin-bottom: 4px;
}

.prev-role-card .location {
    color: #94a3b8;
    font-size: 12px;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 12px;
}

.prev-role-card .role-info {
    margin-bottom: 12px;
}

.prev-role-card .role-title {
    color: var(--primary);
    font-weight: 600;
}

.prev-role-card .role-dates {
    color: #64748b;
    font-size: 12px;
    margin-left: 8px;
}

.prev-role-card .description {
    color: #94a3b8;
    font-size: 14px;
}

/* Certifications */
.cert-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 640px) {
    .cert-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .cert-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.cert-card {
    background: white;
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    border-top: 4px solid var(--primary);
    transition: all 0.3s;
}

.cert-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
}

.cert-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 16px;
}

.cert-icon {
    color: var(--primary);
    font-size: 32px;
}

.cert-date {
    padding: 4px 12px;
    background: #f1f5f9;
    color: #64748b;
    border-radius: 8px;
    font-size: 12px;
}

.cert-card h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 4px;
}

.cert-provider {
    color: #64748b;
    font-size: 14px;
}

/* Education */
.education-card {
    max-width: 768px;
    margin: 0 auto;
}

.education-content {
    display: flex;
    align-items: center;
    gap: 24px;
}

@media (max-width: 639px) {
    .education-content {
        flex-direction: column;
        text-align: center;
    }
}

.education-icon {
    width: 80px;
    height: 80px;
    background: rgba(249, 115, 22, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.education-icon i {
    color: var(--primary);
    font-size: 40px;
}

.education-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.education-info .degree {
    color: var(--primary);
    font-weight: 600;
    margin-top: 4px;
}

.education-info .university {
    color: #cbd5e1;
    margin-top: 8px;
}

.education-info .period {
    display: inline-block;
    margin-top: 12px;
    padding: 4px 16px;
    background: rgba(249, 115, 22, 0.2);
    color: var(--primary);
    border-radius: 9999px;
    font-size: 14px;
}

/* Expertise */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

@media (min-width: 768px) {
    .expertise-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1280px) {
    .expertise-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.expertise-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid #334155;
    border-radius: 16px;
    padding: 20px;
    transition: all 0.3s;
}

.expertise-card:hover {
    border-color: rgba(249, 115, 22, 0.5);
    background: #1e293b;
}

.expertise-card:hover i {
    transform: scale(1.1);
}

.expertise-card i {
    color: var(--primary);
    font-size: 32px;
    margin-bottom: 12px;
    transition: transform 0.3s;
}

.expertise-card h4 {
    color: white;
    font-size: 14px;
    font-weight: 600;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 1024px) {
    .skills-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.skill-card {
    background: white;
    border-radius: 16px;
    padding: 32px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.skill-card h3 {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 20px;
}

.skill-card h3 i {
    color: var(--primary);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tag {
    padding: 8px 16px;
    background: #f1f5f9;
    color: #475569;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
}

.skill-full {
    grid-column: 1 / -1;
}

.skill-bar-container {
    margin-bottom: 20px;
}

.skill-bar-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.skill-bar-name {
    font-weight: 600;
    color: #0f172a;
}

.skill-bar-value {
    color: var(--primary);
    font-weight: 700;
}

.skill-bar {
    height: 12px;
    background: #e2e8f0;
    border-radius: 9999px;
    overflow: hidden;
}

.skill-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 9999px;
    transition: width 1s ease-out;
}

/* Achievements */
.achievements-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
}

@media (min-width: 768px) {
    .achievements-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .achievements-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.achievement-card {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border: 1px solid #e2e8f0;
    border-radius: 16px;
    padding: 24px;
    transition: all 0.3s;
}

.achievement-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.achievement-icon {
    width: 48px;
    height: 48px;
    background: rgba(249, 115, 22, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.achievement-icon i {
    color: var(--primary);
    font-size: 24px;
}

.achievement-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 8px;
}

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

/* Footer */
footer {
    background: var(--dark);
    padding: 48px 2rem;
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
        justify-content: space-between;
    }
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 16px;
}

.footer-logo {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 16px;
}

.footer-brand-info h3 {
    color: white;
    font-weight: 700;
    font-size: 18px;
}

.footer-brand-info p {
    color: #64748b;
    font-size: 14px;
}

.footer-links {
    display: flex;
    gap: 24px;
}

.footer-links a {
    color: #64748b;
    font-size: 18px;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid #1e293b;
    margin-top: 32px;
    padding-top: 32px;
    text-align: center;
    color: #64748b;
    font-size: 14px;
}