/* 
   5484investments.com - Main Stylesheet
   Industrial-modern, minimalist design with operator-serious aesthetic
*/

/* Base Styles & Typography */
:root {
    --color-background: #F8F8F6;
    --color-text: #212121;
    --color-accent: #C8B6A6;
    --color-light-gray: #E8E8E8;
    --color-medium-gray: #888888;
    --font-mono: 'Space Mono', monospace;
    --font-sans: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1.25rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
}

a {
    color: var(--color-text);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    color: var(--color-accent);
}

strong {
    font-weight: 700;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Header & Navigation */
header {
    padding: 2rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    background-color: rgba(248, 248, 246, 0.95);
    z-index: 100;
    border-bottom: 1px solid var(--color-light-gray);
}

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

.logo {
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.75rem;
    letter-spacing: -0.03em;
}

nav ul {
    display: flex;
    list-style: none;
}

nav ul li {
    margin-left: 2rem;
}

nav ul li a {
    font-weight: 500;
    font-size: 1rem;
}

/* Hero Section */
.hero {
    padding: 10rem 0 6rem;
    background-color: var(--color-background);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../images/industrial-harbor.jpg');
    background-size: cover;
    background-position: center;
    opacity: 0.1;
    filter: grayscale(100%) contrast(120%);
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
    max-width: 900px;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.subheadline {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    font-weight: 500;
}

.cta-button {
    display: inline-block;
    background-color: var(--color-text);
    color: var(--color-background);
    padding: 1rem 2rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 1rem;
    letter-spacing: 0.02em;
}

.cta-button:hover {
    background-color: var(--color-accent);
    color: var(--color-text);
}

/* Operator Section */
.operator {
    padding: 6rem 0;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-light-gray);
}

.credentials {
    list-style: none;
    margin: 2rem 0;
}

.credentials li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.credentials li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--color-accent);
}

/* Acquisition Section */
.acquisition {
    padding: 6rem 0;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-light-gray);
}

.criteria {
    list-style: none;
    margin: 2rem 0;
}

.criteria li {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
    position: relative;
}

.criteria li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.7rem;
    width: 0.5rem;
    height: 0.5rem;
    background-color: var(--color-accent);
}

/* Approach Section */
.approach {
    padding: 6rem 0;
    background-color: var(--color-background);
    border-bottom: 1px solid var(--color-light-gray);
}

.approach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.approach-item {
    padding: 1.5rem;
    border-left: 2px solid var(--color-accent);
}

.approach-item h3 {
    margin-bottom: 0.75rem;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background-color: var(--color-background);
}

.contact .cta-button {
    margin-bottom: 1.5rem;
}

.phone {
    font-size: 1.125rem;
    color: var(--color-medium-gray);
}

/* Footer */
footer {
    padding: 3rem 0;
    background-color: var(--color-background);
    border-top: 1px solid var(--color-light-gray);
}

footer p {
    color: var(--color-medium-gray);
    font-size: 0.875rem;
    margin-bottom: 0;
}

/* Responsive Styles */
@media (max-width: 768px) {
    h1 {
        font-size: 2.5rem;
    }
    
    h2 {
        font-size: 1.75rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .subheadline {
        font-size: 1.25rem;
    }
    
    .approach-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    .hero {
        padding: 8rem 0 4rem;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .subheadline {
        font-size: 1.125rem;
    }
    
    .operator, .acquisition, .approach, .contact {
        padding: 4rem 0;
    }
    
    .cta-button {
        display: block;
        text-align: center;
    }
}