:root {
    --primary-color: #0062cc;
    --primary-dark: #0052ac;
    --secondary-color: #10b981;
    --secondary-dark: #0e9f6e;
    --accent-color: #f59e0b;
    --text-color: #1f2937;
    --light-text: #6b7280;
    --background: #ffffff;
    --light-background: #f9fafb;
    --dark-background: #111827;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 62.5%; /* 10px base for easier rem calculation */
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    font-size: 1.6rem;
    background-color: var(--background);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.3;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

p {
    margin-bottom: var(--spacing-sm);
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 120rem;
    padding: 0 var(--spacing-md);
    margin: 0 auto;
}

/* Header & Navigation */
header {
    background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.6)), url('https://source.unsplash.com/random/1920x1080/?landscape') no-repeat center center/cover;
    color: white;
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-md);
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    z-index: 10;
    width: 100%;
    max-width: 120rem;
    margin: 0 auto;
}

.logo {
    font-size: 2.8rem;
    font-weight: 700;
    color: white;
    letter-spacing: -0.05em;
    padding: 0.5rem 0;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    margin-right: var(--spacing-md);
}

.nav-links li {
    margin: 0;
}

.nav-links a {
    color: white;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.7rem;
    transition: all 0.3s ease;
    position: relative;
    padding: var(--spacing-xs) var(--spacing-xs);
    letter-spacing: 0.02em;
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--secondary-color);
    transition: width 0.3s cubic-bezier(0.58, 0.3, 0.005, 1);
}

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

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

/* Add a sticky header effect */
@media (min-width: 769px) {
    body.scrolled nav {
        position: fixed;
        background-color: rgba(17, 24, 39, 0.95);
        box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
        padding: 1rem var(--spacing-md);
        max-width: 100%;
        transition: all 0.3s ease;
    }
    
    body.scrolled .logo {
        font-size: 2.4rem;
    }
}

/* Mobile Menu */
.menu-btn {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 6px;
    padding: var(--spacing-xs);
    margin-right: var(--spacing-xs);
}

.menu-btn span {
    width: 30px;
    height: 3px;
    background-color: white;
    display: block;
    transition: all 0.3s ease;
    border-radius: 3px;
}

.hero {
    text-align: center;
    margin-top: 0;
    max-width: 80rem;
    margin-left: auto;
    margin-right: auto;
    padding: var(--spacing-lg) var(--spacing-md);
}

.hero h1 {
    font-size: 5.6rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    letter-spacing: -0.03em;
}

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

.hero p {
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
    max-width: 60rem;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
    line-height: 1.5;
}

.hero-cta {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1.2rem 3rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.7rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.12);
}

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

.primary-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.secondary-btn {
    background-color: transparent;
    color: white;
    border: 2px solid white;
}

.secondary-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Features Section */
.features {
    background-color: var(--light-background);
    padding: var(--spacing-xl) 0;
    position: relative;
}

.features h2, .about h2, .contact h2 {
    text-align: center;
    font-size: 3.6rem;
    margin-bottom: var(--spacing-lg);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.features h2::after, .about h2::after, .contact h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    margin: var(--spacing-xs) auto 0;
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
    gap: var(--spacing-md);
}

.feature-card {
    background-color: var(--background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

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

.feature-card .icon {
    font-size: 4.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-color);
    height: 7rem;
    width: 7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(67, 97, 238, 0.1);
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
}

.feature-card .icon i {
    font-size: 3rem;
}

.feature-card h3 {
    font-size: 2.2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.feature-card p {
    color: var(--light-text);
    font-size: 1.6rem;
    line-height: 1.6;
}

/* About Section */
.about {
    padding: var(--spacing-xl) 0;
}

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

.about-text h3 {
    font-size: 2.8rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-color);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--light-text);
    font-size: 1.7rem;
    line-height: 1.7;
}

.about-features {
    margin-top: var(--spacing-md);
}

.about-features li {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
    font-size: 1.6rem;
}

.about-features li i {
    color: var(--secondary-color);
    margin-right: var(--spacing-sm);
    font-size: 1.6rem;
}

.placeholder-image {
    width: 100%;
    height: 40rem;
    background-color: #e5e7eb;
    border-radius: var(--border-radius);
    background-image: url('https://source.unsplash.com/random/600x400/?business');
    background-size: cover;
    background-position: center;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.placeholder-image:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

/* Contact Section */
.contact {
    background-color: var(--light-background);
    padding: var(--spacing-xl) 0;
}

.section-intro {
    text-align: center;
    max-width: 60rem;
    margin: 0 auto var(--spacing-lg);
    color: var(--light-text);
    font-size: 1.8rem;
}

form {
    max-width: 60rem;
    margin: 0 auto;
    background-color: var(--background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    font-size: 1.6rem;
    color: var(--text-color);
}

input, textarea {
    width: 100%;
    padding: 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1.6rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input::placeholder, textarea::placeholder {
    color: #a1a1aa;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(79, 70, 229, 0.2);
}

button.btn {
    border: none;
    cursor: pointer;
    font-family: inherit;
    width: 100%;
    margin-top: var(--spacing-sm);
}

/* Footer */
footer {
    background-color: var(--dark-background);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-logo .logo {
    margin-bottom: var(--spacing-sm);
}

.footer-logo p {
    color: #9ca3af;
    font-size: 1.5rem;
}

.footer-links h4, .footer-social h4 {
    font-size: 1.8rem;
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 1.5rem;
}

.footer-links a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.social-links a {
    color: #9ca3af;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 2rem;
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    font-size: 1.4rem;
    color: #9ca3af;
    margin-bottom: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    html {
        font-size: 58%;
    }
    
    .container {
        max-width: 90%;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 56%;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 7rem;
        left: 0;
        right: 0;
        background-color: rgba(31, 41, 55, 0.95);
        flex-direction: column;
        padding: var(--spacing-md);
        border-radius: var(--border-radius);
        box-shadow: var(--shadow);
    }
    
    .nav-links.show {
        display: flex;
    }
    
    .nav-links li {
        margin: var(--spacing-xs) 0;
    }
    
    .menu-btn {
        display: flex;
    }
    
    .hero h1 {
        font-size: 4.2rem;
    }
    
    .hero p {
        font-size: 1.8rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .placeholder-image {
        order: -1;
        height: 35rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    html {
        font-size: 54%;
    }
    
    .hero h1 {
        font-size: 3.6rem;
    }
    
    .hero-cta {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    .features h2, .about h2, .contact h2 {
        font-size: 3rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: var(--spacing-md);
    }
    
    form {
        padding: var(--spacing-md);
    }
    
    .portfolio-image {
        height: 20rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

section {
    animation: fadeIn 0.8s ease-out;
}

/* Scroll animation elements */
.feature-card, .about-text, .about-image, form {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.feature-card:nth-child(1) {
    transition-delay: 0.1s;
}

.feature-card:nth-child(2) {
    transition-delay: 0.3s;
}

.feature-card:nth-child(3) {
    transition-delay: 0.5s;
}

.feature-card.visible, .about-text.visible, .about-image.visible, form.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Form success message */
.success-message {
    background-color: var(--background);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    animation: fadeIn 0.5s ease-out;
}

.success-icon {
    font-size: 4rem;
    color: var(--secondary-color);
    margin-bottom: var(--spacing-md);
}

.success-message h3 {
    font-size: 2.4rem;
    margin-bottom: var(--spacing-sm);
}

.success-message p {
    color: var(--light-text);
    margin-bottom: var(--spacing-lg);
}

.success-message .btn {
    display: inline-block;
    width: auto;
    margin-top: 0;
}

/* Mobile menu open state */
body.menu-open {
    overflow: hidden;
}

/* Additional refinements */
.primary-btn:active, .secondary-btn:active {
    transform: translateY(-1px);
}

/* Navigation underline animation enhancement */
.nav-links a::after {
    transition: width 0.3s cubic-bezier(0.58, 0.3, 0.005, 1);
}

/* Portfolio Section */
.portfolio {
    padding: var(--spacing-xl) 0;
    background-color: var(--background);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(30rem, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.portfolio-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

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

.portfolio-image {
    height: 25rem;
    background-color: #e5e7eb;
    background-size: cover;
    background-position: center;
    transition: transform 0.3s ease;
}

.portfolio-item:nth-child(1) .portfolio-image {
    background-image: url('https://source.unsplash.com/random/600x400/?embroidery,uniform');
}

.portfolio-item:nth-child(2) .portfolio-image {
    background-image: url('https://source.unsplash.com/random/600x400/?embroidery,sports');
}

.portfolio-item:nth-child(3) .portfolio-image {
    background-image: url('https://source.unsplash.com/random/600x400/?embroidery,custom');
}

.portfolio-item h3 {
    padding: var(--spacing-md);
    font-size: 1.8rem;
    margin: 0;
    text-align: center;
    background-color: var(--background);
}

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

/* Footer Contact */
.footer-contact ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: #9ca3af;
    font-size: 1.5rem;
}

.footer-contact i {
    color: var(--primary-color);
    font-size: 1.6rem;
    width: 2rem;
}

/* Update the animation targets to include portfolio items */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.portfolio-item {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.portfolio-item:nth-child(1) {
    transition-delay: 0.1s;
}

.portfolio-item:nth-child(2) {
    transition-delay: 0.3s;
}

.portfolio-item:nth-child(3) {
    transition-delay: 0.5s;
}

.portfolio-item.visible {
    opacity: 1;
    transform: translateY(0);
}