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

body {
    font-family: 'Inter', sans-serif;
    background: #0b1026;
    color: #fff;
}

/* NAV */
.nav {
    position: fixed;
    width: 100%;
    top: 0;
    padding: 20px 60px;
    display: flex;
    justify-content: space-between;
    background: rgba(11,16,38,0.9);
    z-index: 100;
}

.nav ul {
    display: flex;
    gap: 30px;
    list-style: none;
}

.nav a {
    color: #fff;
    text-decoration: none;
}

.nav-btn {
    background: #ff7a18;
    padding: 10px 18px;
    border-radius: 8px;
}

/* HERO */
.hero {
    height: 100vh;
    background: url("https://images.unsplash.com/photo-1498050108023-c5249f4df085") center/cover;
    position: relative;
    display: flex;
    align-items: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(11,16,38,.95), rgba(11,16,38,.6));
}

.hero-content {
    position: relative;
    padding: 0 80px;
    max-width: 700px;
}

.hero h1 {
    font-size: 56px;
    margin-bottom: 20px;
}

.hero p {
    opacity: .85;
    margin-bottom: 30px;
}

.btn-primary, .btn-secondary {
    padding: 14px 26px;
    border-radius: 8px;
    text-decoration: none;
}

.btn-primary {
    background: #ff7a18;
    color: #fff;
}

.btn-secondary {
    border: 1px solid #fff;
    color: #fff;
    margin-left: 10px;
}

/* SECTIONS */
.section {
    padding: 120px 80px;
    text-align: center;
}

.section-title {
    font-size: 40px;
    margin-bottom: 60px;
}

.dark {
    background: #0b1026;
}

.image-bg {
    background: url("https://images.unsplash.com/photo-1519389950473-47ba0277781c") center/cover;
    position: relative;
}

.image-bg .overlay {
    position: absolute;
    inset: 0;
    background: rgba(11,16,38,.9);
}

.image-bg * {
    position: relative;
}

/* GRIDS */
.service-grid, .case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px,1fr));
    gap: 40px;
}

.service-card, .case-card {
    background: #141b3a;
    padding: 30px;
    border-radius: 20px;
    text-align: left;
}

.service-card img {
    width: 100%;
    border-radius: 14px;
    margin-bottom: 20px;
}

/* TESTIMONIALS */
.testimonial-slider {
    max-width: 700px;
    margin: auto;
}

.testimonial {
    opacity: .7;
    font-size: 20px;
}

.testimonial span {
    display: block;
    margin-top: 15px;
    opacity: .6;
}

.cta {
    background: linear-gradient(135deg, #ff7a18, #ff9f40);
    padding: 120px 20px;
}

.cta-container {
    max-width: 900px;
    margin: auto;
    text-align: center;
}

.cta h2 {
    font-size: 44px;
    margin-bottom: 16px;
    color: #000;
}

.cta p {
    font-size: 18px;
    margin-bottom: 32px;
    color: #000;
}

.cta-btn {
    display: inline-block;
    padding: 14px 36px;
    border-radius: 10px;
    background: #0b1026;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
}


footer {
    padding: 40px;
    text-align: center;
    opacity: .6;
}

.contact-form {
    max-width: 500px;
    margin: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border-radius: 10px;
    border: none;
}

.newsletter {
    background: #0f1535;
    padding: 120px 20px;
}

.newsletter-container {
    max-width: 720px;
    margin: auto;
    text-align: center;
}

.newsletter h2 {
    font-size: 36px;
    margin-bottom: 12px;
}

.newsletter p {
    opacity: 0.8;
    margin-bottom: 36px;
}

.newsletter-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.newsletter-form input {
    padding: 14px 18px;
    border-radius: 10px;
    border: none;
    background: #141b3a;
    color: #fff;
}

.newsletter-form input::placeholder {
    color: rgba(255,255,255,0.6);
}

.newsletter-form input[type="email"] {
    grid-column: span 2;
}

.newsletter-form button {
    grid-column: span 2;
    padding: 14px 26px;
    border-radius: 10px;
    border: none;
    background: #ff7a18;
    color: #fff;
    font-weight: 600;
    cursor: pointer;
}