:root {
    --primary-color: #2c2c2c;
    --secondary-color: #555555;
    --accent-color: #87A36F; /* Matcha Green */
    --accent-hover: #728A5B;
    --bg-color: #FAF9F6;
    --bg-light: #F0EFEA;
    --border-color: #E2E1DC;
    --font-main: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--primary-color);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 600;
    line-height: 1.2;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--accent-color);
}

.accent-text {
    color: var(--accent-color);
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: -2rem auto 3rem;
    color: var(--secondary-color);
    font-size: 1.05rem;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 4px;
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--accent-color);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(135, 163, 111, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: #fff;
    transform: translateY(-2px);
}

/* Header & Nav */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(250, 249, 246, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--primary-color);
    letter-spacing: -1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--primary-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link:hover {
    color: var(--accent-color);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: var(--transition);
    background-color: var(--primary-color);
}

/* Sections */
.section {
    padding: 6rem 0;
}

.bg-light {
    background-color: var(--bg-light);
}

/* Hero Section */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
}

.hero-content {
    max-width: 800px;
}

.greeting {
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.hero-title {
    font-size: 4rem;
    letter-spacing: -1.5px;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.8rem;
    font-weight: 400;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    line-height: 1.4;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--secondary-color);
    margin-bottom: 3rem;
    max-width: 600px;
}

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

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text p {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
    color: var(--secondary-color);
}

.strengths-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.strength-card {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.strength-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-color: var(--accent-color);
}

.strength-title {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.strength-card p {
    font-size: 0.9rem;
    color: var(--secondary-color);
}

/* Skills Section */
.skills-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    border-top: 4px solid var(--accent-color);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    transition: var(--transition);
}

.skill-category:hover {
    transform: translateY(-5px);
}

.skill-category h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.skill-category p {
    color: var(--secondary-color);
    font-size: 0.95rem;
}

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

.timeline::before {
    content: '';
    position: absolute;
    width: 2px;
    background-color: var(--border-color);
    top: 0;
    bottom: 0;
    left: 20px;
}

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

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

.timeline-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: var(--accent-color);
    border-radius: 50%;
    left: 13px;
    top: 5px;
    box-shadow: 0 0 0 4px var(--bg-color);
}

.timeline-content {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.timeline-content:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.timeline-date {
    display: inline-block;
    font-size: 0.85rem;
    color: var(--accent-color);
    font-weight: 600;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.timeline-role {
    font-size: 1.3rem;
    margin-bottom: 0.2rem;
}

.timeline-company {
    font-size: 1rem;
    color: var(--secondary-color);
    font-weight: 500;
    margin-bottom: 1rem;
}

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

.early-exp-list {
    list-style-type: none;
    margin-top: 1rem;
}

.early-exp-list li {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
    font-size: 0.95rem;
    position: relative;
    padding-left: 15px;
}

.early-exp-list li::before {
    content: '•';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-color: var(--accent-color);
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.service-card > p {
    color: var(--secondary-color);
    font-size: 0.95rem;
}

.service-list {
    list-style: none;
    margin-top: 1.2rem;
}

.service-list li {
    color: var(--secondary-color);
    font-size: 0.9rem;
    margin-bottom: 1rem;
    padding-left: 1rem;
    position: relative;
}

.service-list li:last-child {
    margin-bottom: 0;
}

.service-list li::before {
    content: '•';
    color: var(--accent-color);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.service-list strong {
    color: var(--primary-color);
}

.service-addon {
    margin-top: 1.2rem;
    padding-top: 1.2rem;
    border-top: 1px dashed var(--border-color);
    color: var(--secondary-color);
    font-size: 0.85rem;
}

.service-addon strong {
    color: var(--primary-color);
}

/* Education & Profile */
.edu-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.edu-card {
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.edu-card h3 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    border-bottom: 2px solid var(--bg-light);
    padding-bottom: 0.5rem;
    display: inline-block;
}

.edu-card p {
    margin-bottom: 0.8rem;
    color: var(--secondary-color);
}

.edu-card .degree {
    font-weight: 600;
    color: var(--primary-color);
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    border-color: var(--accent-color);
}

.project-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

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

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
}

/* Logo Banner */
.logo-banner {
    padding: 4rem 0;
    border-top: 1px solid var(--border-color);
}

.banner-title {
    color: var(--secondary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 2rem;
}

.logo-track {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 3rem;
}

.company-logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #a0a0a0;
    transition: var(--transition);
    cursor: default;
    letter-spacing: -0.5px;
}

.company-logo:hover {
    color: var(--accent-color);
    transform: scale(1.05);
}

/* Contact */
.contact-desc {
    font-size: 1.1rem;
    color: var(--secondary-color);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.phone-contact {
    color: var(--secondary-color);
}

/* Footer */
.footer {
    text-align: center;
    padding: 2rem 0;
    background-color: var(--primary-color);
    color: #fff;
}

.footer p {
    opacity: 0.7;
    font-size: 0.9rem;
}

/* Animations */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive */
@media (max-width: 900px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-subtitle {
        font-size: 1.4rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--bg-color);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .section {
        padding: 4rem 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 2rem;
    }

    .hero {
        padding-top: 100px;
        height: auto;
        min-height: 100vh;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: 1rem;
    }
    
    .strengths-grid {
        grid-template-columns: 1fr;
    }

    .edu-grid {
        grid-template-columns: 1fr;
    }
    
    .timeline::before {
        left: 10px;
    }
    
    .timeline-item {
        padding-left: 40px;
    }
    
    .timeline-dot {
        left: 3px;
        width: 14px;
        height: 14px;
    }

    .logo-track {
        gap: 1.5rem;
    }

    .company-logo {
        font-size: 1.2rem;
    }

    .contact-links {
        flex-direction: column;
        gap: 1rem;
    }
}