/* Design System : Dynamique & Performance */
@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@500;700&family=Roboto:wght@400;500;700&display=swap');

:root {
    /* Colors */
    --color-bg: #111827; /* Dark Gray / Almost Black */
    --color-bg-alt: #1F2937;
    --color-primary: #39FF14; /* Neon Green */
    --color-accent: #4F46E5; /* Electric Indigo */
    --color-white: #F9FAFB;
    --color-text: #D1D5DB; /* Light Gray for text on dark */
    
    /* Typography */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

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

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

/* Header */
.header {
    position: fixed;
    top: 0; left: 0; right: 0;
    background: rgba(17, 24, 39, 0.9);
    backdrop-filter: blur(15px);
    z-index: 1000;
    border-bottom: 1px solid rgba(57, 255, 20, 0.2);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 28px;
    color: var(--color-white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    text-transform: uppercase;
}
.logo span {
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: 0.3s;
}

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

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 15px 35px;
    font-family: var(--font-heading);
    font-size: 16px;
    font-weight: 700;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    transform: skewX(-10deg);
}
.btn span {
    display: inline-block;
    transform: skewX(10deg);
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-bg);
    box-shadow: 0 0 15px rgba(57, 255, 20, 0.4);
}
.btn-primary:hover {
    background: var(--color-white);
    color: var(--color-bg);
    box-shadow: 0 0 25px rgba(255, 255, 255, 0.5);
    transform: skewX(-10deg) scale(1.05);
}

.btn-accent {
    background: var(--color-accent);
    color: var(--color-white);
    box-shadow: 0 0 15px rgba(79, 70, 229, 0.4);
}
.btn-accent:hover {
    background: var(--color-primary);
    color: var(--color-bg);
    box-shadow: 0 0 25px rgba(57, 255, 20, 0.5);
    transform: skewX(-10deg) scale(1.05);
}

/* Hero Section */
.hero {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    object-fit: cover;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(90deg, rgba(17,24,39,0.95) 0%, rgba(17,24,39,0.7) 50%, rgba(17,24,39,0.4) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 600px;
    z-index: 2;
}

.hero h1 {
    font-size: 5rem;
    line-height: 1;
    margin-bottom: 20px;
    text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
}
.hero h1 i {
    color: var(--color-primary);
    font-style: normal;
}

.hero p {
    font-size: 1.2rem;
    color: var(--color-text);
    margin-bottom: 40px;
    font-weight: 500;
}

/* Sections */
.section { padding: 100px 0; }
.section-alt { background-color: var(--color-bg-alt); }

.section-title {
    font-size: 3rem;
    margin-bottom: 20px;
    text-align: center;
}
.section-title span { color: var(--color-primary); }

.section-desc {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
    font-size: 1.1rem;
}

/* Review Cards */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.review-card {
    background: var(--color-bg);
    border: 1px solid rgba(255,255,255,0.1);
    padding: 30px;
    border-radius: 8px;
    position: relative;
    transition: 0.3s;
}
.review-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(57,255,20,0.1);
}

.stars { color: #F59E0B; margin-bottom: 15px; font-size: 14px; }
.review-text { font-style: italic; margin-bottom: 20px; font-size: 15px; }

.review-author {
    display: flex;
    align-items: center;
    gap: 15px;
}
.author-pic {
    width: 50px; height: 50px;
    border-radius: 50%;
    background: var(--color-bg-alt);
    display: flex; align-items: center; justify-content: center;
    font-family: var(--font-heading);
    font-weight: bold;
    color: var(--color-primary);
}

/* Utilities */
.text-center { text-align: center; }
.reveal { opacity: 0; transform: translateY(40px) scale(0.95); transition: 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275); }
.reveal.active { opacity: 1; transform: translateY(0) scale(1); }

/* Form */
input, textarea {
    width: 100%;
    padding: 15px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--color-white);
    font-family: var(--font-body);
    margin-bottom: 20px;
    border-radius: 4px;
}
input:focus, textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255,255,255,0.1);
}
label { display: block; margin-bottom: 5px; font-weight: bold; font-family: var(--font-heading); letter-spacing: 1px; }

.contact-layout-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; }

@media (max-width: 768px) {
    .mobile-toggle { display: block !important; }
    .nav-links { display: none; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--color-bg-alt); padding: 20px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); }
    .nav-links.active { display: flex; }
    .contact-layout-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero h1 { font-size: 3.5rem; }
}