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

body {
    font-family: 'Inter', sans-serif;
    color: #333;
    line-height: 1.7;
    background: #fff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    color: #6366f1;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 40px;
}

.nav-list a {
    text-decoration: none;
    color: #4b5563;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-list a:hover {
    color: #6366f1;
}

.hamburger {
    display: none;
    font-size: 24px;
    cursor: pointer;
    color: #4b5563;
}

/* Hero */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    color: white;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-content {
    text-align: center;
    z-index: 2;
}

.hero h1 {
    font-size: clamp(40px, 8vw, 60px);
    margin-bottom: 16px;
}

.hero span {
    color: #fbbf24;
}

.subtitle {
    font-size: clamp(20px, 4vw, 28px);
    margin-bottom: 16px;
    opacity: 0.9;
}

.description {
    max-width: 600px;
    margin: 0 auto 40px;
    font-size: 18px;
    opacity: 0.8;
}

.btn-primary {
    background: white;
    color: #6366f1;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.15);
}

/* Wave */
.wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: url('data:image/svg+xml;utf8,<svg viewBox="0 0 1440 150" xmlns="http://www.w3.org/2000/svg"><path fill="%23fff" fill-opacity="1" d="M0,100 C300,150 600,50 960,80 C1320,110 1440,70 1440,70 L1440,150 L0,150 Z"></path></svg>') no-repeat bottom;
    background-size: cover;
}

/* Sections */
.section {
    padding: 100px 0;
}

.section h2 {
    text-align: center;
    font-size: 40px;
    margin-bottom: 60px;
    color: #1f2937;
}

.bg-light {
    background: #f9fafb;
}

/* Skills */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.skill-item {
    background: #6366f1;
    color: white;
    padding: 24px;
    border-radius: 16px;
    text-align: center;
    font-weight: 600;
    font-size: 18px;
}

.skill-item span {
    display: block;
    font-size: 14px;
    opacity: 0.8;
    margin-top: 8px;
}

/* Projects */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.project-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.4s;
}

.project-card:hover {
    transform: translateY(-10px);
}

.project-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.card-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0,0,0,0.8));
    color: white;
    padding: 40px 24px 24px;
    transform: translateY(60px);
    transition: transform 0.4s;
}

.project-card:hover .card-overlay {
    transform: translateY(0);
}

.btn-secondary {
    color: #fbbf24;
    text-decoration: none;
    font-weight: 600;
}

/* Contact */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 20px;
}

input, textarea {
    width: 100%;
    padding: 16px;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    font-family: inherit;
}

/* Footer */
footer {
    background: #1f2937;
    color: white;
    text-align: center;
    padding: 40px 0;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.testimonial-card {
    background: white;
    padding: 32px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    text-align: left;
}

.quote {
    font-size: 18px;
    font-style: italic;
    margin-bottom: 24px;
    color: #4b5563;
    position: relative;
}

.quote::before {
    content: '"';
    font-size: 80px;
    color: #6366f1;
    opacity: 0.2;
    position: absolute;
    top: -20px;
    left: -20px;
}

.client-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.client-info img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
}

.client-info h4 {
    font-size: 18px;
    margin-bottom: 4px;
}

.client-info span {
    font-size: 14px;
    color: #6b7280;
}
/* Mobile Responsif */
@media (max-width: 768px) {
    .hamburger {
        display: block;
    }

    .nav-list {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: white;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 60px;
        transition: left 0.3s;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    }

    #menu-toggle:checked ~ .nav-list {
        left: 0;
    }

    .nav-list li {
        margin: 20px 0;
    }

    .section {
        padding: 80px 0;
    }

    .section h2 {
        font-size: 32px;
    }
}