/* Variables & Reset */
:root {
--color-primary: #00B4D8; /* Teal/Cyan from logo */
--color-primary-dark: #0096B4;
--color-secondary: #000000; /* Black */
--color-bg: #0F1115; /* Very dark grey/black for background */
--color-bg-card: #1A1D21;
--color-text: #F0F2F5;
--color-text-muted: #A0A4A8;
--color-white: #FFFFFF;

--font-main: 'Inter', sans-serif;

--spacing-sm: 0.5rem;
--spacing-md: 1rem;
--spacing-lg: 2rem;
--spacing-xl: 4rem;

--border-radius: 8px;
--transition: all 0.3s ease;
}

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

html {
scroll-behavior: smooth;
}

body {
font-family: var(--font-main);
background-color: var(--color-bg);
color: var(--color-text);
line-height: 1.6;
}

a {
text-decoration: none;
color: inherit;
}

ul {
list-style: none;
}

img {
max-width: 100%;
display: block;
}

.container {
width: 90%;
max-width: 1200px;
margin: 0 auto;
padding: 0 var(--spacing-md);
}

/* Typography */
h1, h2, h3 {
color: var(--color-white);
line-height: 1.2;
margin-bottom: var(--spacing-md);
}

h1 { font-size: 3rem; font-weight: 700; }
h2 { font-size: 2.5rem; font-weight: 600; text-align: center; margin-bottom: var(--spacing-xl); }
h3 { font-size: 1.5rem; font-weight: 600; }

.text-gradient {
background: linear-gradient(135deg, var(--color-primary), #90E0EF);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
display: inline-block;
padding: 0.8rem 1.5rem;
border-radius: var(--border-radius);
font-weight: 500;
transition: var(--transition);
cursor: pointer;
border: none;
}

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

.btn-primary:hover {
background-color: var(--color-primary-dark);
transform: translateY(-2px);
}

.btn-secondary {
background-color: transparent;
border: 1px solid var(--color-primary);
color: var(--color-primary);
margin-left: var(--spacing-md);
}

.btn-secondary:hover {
background-color: rgba(0, 180, 216, 0.1);
}

/* Header */
.header {
position: fixed;
top: 0;
left: 0;
width: 100%;
background-color: rgba(15, 17, 21, 0.95);
backdrop-filter: blur(10px);
z-index: 1000;
padding: var(--spacing-md) 0;
border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo img {
height: 40px;
width: auto;
background-color: rgba(255, 255, 255, 0.95);
padding: 4px;
border-radius: 4px;
/* Invert logo if needed or ensure it pops against dark bg.
Assuming the uploaded logo has a transparent background or is suitable.
If it's black text on white, we might need a filter.
Let's assume it's the one from the prompt which looked like it had black/teal.
On dark bg, black might be hard to see. We can add a white bg or filter.
Let's try a filter to make the black parts white if necessary,
but for now let's just display it. */
}

.nav-list {
display: flex;
gap: var(--spacing-lg);
}

.nav-list a {
font-weight: 500;
transition: var(--transition);
}

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

.mobile-menu-btn {
display: none;
background: none;
border: none;
cursor: pointer;
}

/* Hero Section */
.hero {
padding: 160px 0 100px;
min-height: 100vh;
display: flex;
align-items: center;
background: linear-gradient(rgba(15, 17, 21, 0.8), rgba(15, 17, 21, 0.8)), url('assets/hero-bg.png');
background-size: cover;
background-position: center;
background-attachment: fixed;
}

.hero-container {
display: grid;
grid-template-columns: 1fr 1fr;
gap: var(--spacing-xl);
align-items: center;
}

.hero-subtitle {
font-size: 1.2rem;
color: var(--color-text-muted);
margin-bottom: var(--spacing-lg);
max-width: 500px;
}

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

/* About */
.about-content {
max-width: 800px;
margin: 0 auto;
text-align: center;
font-size: 1.1rem;
color: var(--color-text-muted);
}

.about-content p {
margin-bottom: var(--spacing-md);
}

/* Services */
.services-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: var(--spacing-lg);
}

.service-card {
background-color: var(--color-bg-card);
padding: var(--spacing-lg);
border-radius: var(--border-radius);
border: 1px solid rgba(255, 255, 255, 0.05);
transition: var(--transition);
}

.service-card:hover {
transform: translateY(-5px);
border-color: var(--color-primary);
box-shadow: 0 10px 30px rgba(0, 180, 216, 0.1);
}

.service-icon {
font-size: 2rem;
margin-bottom: var(--spacing-md);
}

/* Contact */
.contact-wrapper {
display: grid;
grid-template-columns: 1fr 1fr;
gap: var(--spacing-xl);
background-color: var(--color-bg-card);
padding: var(--spacing-xl);
border-radius: var(--border-radius);
}

.contact-info h3 {
color: var(--color-primary);
margin-bottom: var(--spacing-md);
}

.contact-details {
margin-top: var(--spacing-lg);
}

.contact-details li {
margin-bottom: var(--spacing-sm);
display: flex;
align-items: center;
gap: var(--spacing-sm);
}

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

.form-group label {
display: block;
margin-bottom: var(--spacing-sm);
font-size: 0.9rem;
}

.form-group input,
.form-group textarea {
width: 100%;
padding: 0.8rem;
background-color: var(--color-bg);
border: 1px solid rgba(255, 255, 255, 0.1);
border-radius: var(--border-radius);
color: var(--color-white);
font-family: var(--font-main);
}

.form-group input:focus,
.form-group textarea:focus {
outline: none;
border-color: var(--color-primary);
}

/* Footer */
.footer {
padding: var(--spacing-lg) 0;
text-align: center;
border-top: 1px solid rgba(255, 255, 255, 0.05);
color: var(--color-text-muted);
font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
h1 { font-size: 2.5rem; }

.header-container {
padding: 0 var(--spacing-sm);
}

.nav-list {
display: none; /* Add JS toggle later */
}

.mobile-menu-btn {
display: block;
}

.hero-container {
grid-template-columns: 1fr;
text-align: center;
}

.hero-subtitle {
margin: 0 auto var(--spacing-lg);
}

.contact-wrapper {
grid-template-columns: 1fr;
padding: var(--spacing-lg);
}
}