/* ===== COLOR VARIABLES (Easy to Customize) ===== */
:root {
    --primary-color: #000000;      /* Grayish */
    --secondary-color: #5c5b5b;    /* Dark Grey */
    --dark-bg: #0f172a;            /* Dark Navy */
    --light-bg: #f8fafc;           /* Light Gray */
    --text-dark: #1e293b;          /* Dark Text */
    --text-light: #64748b;         /* Light Text */
    --white: #ffffff;
    --accent: #f59e0b;             /* Amber */
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
}

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

/* ===== NAVBAR ===== */
.navbar {
    background: var(--white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.logo-img {
    height: 35px;
    width: auto;
}

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

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

/* ===== HERO SECTION ===== */
.hero {
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 50px 20px;
    text-align: center;
}

.hero .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.3rem;
    opacity: 0.95;
    max-width: 600px;
}

/* ===== BUTTONS ===== */
.cta-button {
    background: var(--accent);
    color: var(--white);
    border: none;
    padding: 12px 28px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: 999px;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.18);
    display: inline-block;
    text-decoration: none;
}

.cta-button:hover {
    background: #d97706; /* slightly darker amber */
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(215, 119, 6, 0.18);
}

.cta-button:active {
    transform: translateY(-1px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.cta-button:focus {
    outline: none;
    box-shadow: 0 0 0 6px rgba(245, 158, 11, 0.12);
}

/* align button inside contact form and make responsive */
.contact-form .cta-button {
    align-self: flex-start;
    min-width: 140px;
}

/* full width on small screens for easier tapping */
@media (max-width: 480px) {
    .contact-form .cta-button {
        width: 100%;
        align-self: stretch;
        text-align: center;
    }
}

/* ===== SERVICES SECTION ===== */
.services {
    padding: 80px 20px;
    background: var(--light-bg);
}

.services h2,
.about h2,
.contact h2 {
    font-size: 2.5rem;
    margin-bottom: 3rem;
    text-align: center;
    color: var(--text-dark);
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    text-align: center;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    border-top: 4px solid var(--primary-color);
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* ===== ABOUT SECTION ===== */
.about {
    padding: 80px 20px;
    background: var(--white);
    text-align: center;
}

.about p {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.9;
}

/* ===== CONTACT SECTION ===== */
.contact {
    padding: 80px 20px;
    background: var(--light-bg);
}

.contact-form {
    max-width: 600px;
    margin: 2rem auto 0;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form input,
.contact-form textarea {
    padding: 12px 16px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* ===== FOOTER ===== */
footer {
    background: var(--text-dark);
    color: var(--white);
    text-align: center;
    padding: 2rem 20px;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
        font-size: 0.9rem;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .services h2,
    .about h2,
    .contact h2 {
        font-size: 2rem;
    }
}