:root {
    /* Color Palette */
    --color-bg: #f8fafc;
    --color-bg-alt: #ffffff;
    --color-text: #0f172a;
    --color-text-light: #475569;
    
    --color-primary: #115e59; /* Deep Green / Sustainability */
    --color-primary-light: #14b8a6;
    --color-secondary: #0369a1; /* Ocean Blue */
    
    --color-accent: #f59e0b; /* Amber */
    
    /* Typography */
    --font-sans: 'Outfit', sans-serif;
    --font-serif: 'Playfair Display', serif;
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Radii */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

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

html {
    scroll-behavior: smooth;
}

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

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

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

.highlight {
    color: var(--color-primary);
    font-weight: 700;
}

.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.05);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-sans);
    line-height: 1.2;
    margin-bottom: 0.5em;
    color: var(--color-text);
}

h1 { font-size: 3.5rem; font-weight: 700; letter-spacing: -1px; }
h2 { font-size: 2.5rem; font-weight: 600; }
h3 { font-size: 1.5rem; font-weight: 600; }
p { margin-bottom: 1rem; color: var(--color-text-light); font-size: 1.125rem; }

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background-color: var(--color-primary);
    color: white;
    border: 2px solid var(--color-primary);
    box-shadow: 0 4px 14px rgba(17, 94, 89, 0.3);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(17, 94, 89, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--color-text);
    color: white;
    transform: translateY(-2px);
}

.btn-large {
    padding: 16px 40px;
    font-size: 1.125rem;
}

/* Navbar */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    padding: 20px 0;
}

header.scrolled {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    padding: 15px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--color-text);
    font-family: var(--font-serif);
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-text);
    font-weight: 500;
    transition: var(--transition);
}

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

.nav-links .btn-primary {
    color: white;
}

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

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

.hamburger span {
    width: 25px;
    height: 3px;
    background-color: var(--color-text);
    transition: var(--transition);
}

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

.hero-bg {
    position: absolute;
    top: -10%;
    right: -5%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(20,184,166,0.15) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -10%;
    left: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(3,105,161,0.1) 0%, rgba(255,255,255,0) 70%);
    z-index: -1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

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

.subtitle {
    display: inline-block;
    padding: 6px 16px;
    background-color: rgba(20, 184, 166, 0.1);
    color: var(--color-primary);
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: 24px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.hero-text p {
    font-size: 1.25rem;
    margin-bottom: 32px;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 16px;
}

/* Roles */
.roles {
    padding: 60px 0;
    margin-top: -80px;
    position: relative;
    z-index: 10;
}

.roles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.role-card {
    padding: 32px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
}

.role-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.role-card .icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.role-card h3 {
    font-size: 1.25rem;
    margin-bottom: 8px;
}

.role-card p {
    font-size: 1rem;
    margin-bottom: 0;
}

/* About Section */
.about {
    padding: 100px 0;
    background-color: var(--color-bg-alt);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    border-radius: var(--radius-lg);
    padding: 16px;
    transform: rotate(-2deg);
    transition: var(--transition);
}

.about-image:hover {
    transform: rotate(0);
}

.image-placeholder {
    width: 100%;
    border-radius: var(--radius-md);
    overflow: hidden;
    aspect-ratio: 4/5;
}

.image-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-secondary);
    font-weight: 600;
    text-decoration: none;
    margin-top: 24px;
    font-size: 1.125rem;
    transition: var(--transition);
}

.linkedin-link:hover {
    color: var(--color-primary);
    gap: 12px;
}

/* Specialties */
.specialties {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
}

.specialties-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.specialty-item {
    background: var(--color-bg-alt);
    padding: 24px 32px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 20px rgba(0,0,0,0.03);
    border-left: 4px solid var(--color-primary-light);
    transition: var(--transition);
}

.specialty-item:hover {
    transform: translateX(10px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}

.specialty-item h4 {
    margin-bottom: 0;
    font-size: 1.25rem;
}

/* Portfolio Section */
.portfolio {
    padding: 100px 0;
    background-color: var(--color-bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.portfolio-card {
    padding: 40px;
    border-radius: var(--radius-lg);
    transition: var(--transition);
    border-top: 4px solid var(--color-secondary);
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(3, 105, 161, 0.1);
}

.portfolio-card .icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.portfolio-card h3 {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin-bottom: 16px;
}

/* Blog Section */
.blog {
    padding: 100px 0;
    background-color: var(--color-bg-alt);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.blog-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.08);
}

.blog-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: var(--transition);
}

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

.blog-content {
    padding: 32px;
    flex-grow: 1;
    background: white;
}

.blog-tag {
    display: inline-block;
    padding: 6px 12px;
    background-color: rgba(245, 158, 11, 0.15);
    color: var(--color-accent);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 16px;
}

.blog-card h3 {
    font-size: 1.35rem;
    margin-bottom: 12px;
}

.blog-card p {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--color-text-light);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-secondary);
    text-decoration: none;
    transition: var(--transition);
    margin-top: auto;
}

.read-more:hover {
    color: var(--color-primary);
    gap: 12px;
}

.read-more i {
    width: 18px;
    height: 18px;
}

.specialty-item.d-flex {
    display: flex;
    align-items: center;
    gap: 16px;
}

.specialty-item.d-flex i {
    color: var(--color-primary);
    width: 24px;
    height: 24px;
}

/* CTA */
.cta {
    padding: 100px 0;
}

.cta-container {
    text-align: center;
    padding: 80px 40px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, rgba(20,184,166,0.1) 0%, rgba(3,105,161,0.05) 100%);
}

.cta h2 {
    max-width: 600px;
    margin: 0 auto 24px;
}

.cta p {
    max-width: 600px;
    margin: 0 auto 40px;
}

/* Footer */
footer {
    background-color: var(--color-text);
    color: white;
    padding: 60px 0 24px;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 40px;
}

.footer-info .logo {
    color: white;
}

.footer-info p {
    color: #94a3b8;
    margin-top: 8px;
}

.footer-links {
    display: flex;
    gap: 32px;
}

.footer-links a {
    color: white;
    text-decoration: none;
    transition: var(--transition);
}

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

.copyright p {
    color: #64748b;
    font-size: 0.875rem;
    margin-bottom: 0;
}

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

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

/* Responsive */
@media (max-width: 992px) {
    h1 { font-size: 2.8rem; }
    
    .roles-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-container {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        max-width: 500px;
        margin: 0 auto;
        transform: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--color-bg-alt);
        flex-direction: column;
        justify-content: center;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        transition: var(--transition);
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .hamburger {
        display: flex;
        z-index: 1001;
    }
    
    .hamburger.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .hamburger.active span:nth-child(2) {
        opacity: 0;
    }
    .hamburger.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    h1 { font-size: 2.2rem; }
    h2 { font-size: 2rem; }
    
    .hero {
        padding-top: 120px;
        text-align: center;
    }
    
    .hero-actions {
        justify-content: center;
        flex-direction: column;
    }
    
    .roles-grid, .specialties-grid, .portfolio-grid, .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
        text-align: center;
        gap: 32px;
    }
}