@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Playfair+Display:ital,wght@0,400;0,600;1,400&family=Roboto+Mono:wght@400;500&display=swap');

:root {
    --bg-base: #f4f4f2;
    --bg-surface: #ffffff;
    --bg-dark: #111111;
    --bg-panel: #1a1a1a;
    
    --text-main: #333333;
    --text-dark: #111111;
    --text-light: #f4f4f2;
    --text-muted: #7a7a7a;
    
    --accent-red: #8a1c1c;
    --accent-red-hover: #a82222;
    
    --border-light: #e5e5e5;
    --border-dark: #333;
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --font-mono: 'Roboto Mono', monospace;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    
    --transition-smooth: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Base */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-dark);
    font-weight: 400;
    line-height: 1.2;
}

h1 { font-size: clamp(3rem, 6vw, 5.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(2.5rem, 4vw, 3.5rem); }
h3 { font-size: clamp(1.8rem, 2.5vw, 2.5rem); }
h4 { font-size: 1.5rem; }

p {
    font-size: 1.125rem;
    color: var(--text-main);
    max-width: 75ch;
    margin-bottom: 1.5rem;
}

.text-mono {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.lead {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--text-dark);
    line-height: 1.5;
}

/* Layout */
.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-sm {
    max-width: 900px;
}

section {
    padding: var(--spacing-xl) 0;
}

.section-dark {
    background-color: var(--bg-dark);
    color: var(--text-light);
}

.section-dark h1, .section-dark h2, .section-dark h3, .section-dark h4, .section-dark p {
    color: var(--text-light);
}

.section-surface {
    background-color: var(--bg-surface);
}

/* Header & Nav */
header {
    background-color: rgba(244, 244, 242, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition-smooth);
}

header.scrolled {
    padding: 1rem 0;
    background-color: rgba(255, 255, 255, 0.98);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-dark);
    text-decoration: none;
    letter-spacing: -0.02em;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo::before {
    content: '';
    display: inline-block;
    width: 24px;
    height: 24px;
    background-color: var(--accent-red);
    clip-path: polygon(0 0, 100% 100%, 100% 0);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

nav a {
    color: var(--text-dark);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    position: relative;
    padding-bottom: 5px;
    transition: color 0.3s ease;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 1px;
    background-color: var(--accent-red);
    transition: var(--transition-smooth);
}

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

nav a:hover::after {
    width: 100%;
}

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

.hamburger {
    display: block;
    width: 30px;
    height: 2px;
    background-color: var(--text-dark);
    position: relative;
    transition: var(--transition-smooth);
}

.hamburger::before, .hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 2px;
    background-color: var(--text-dark);
    left: 0;
    transition: var(--transition-smooth);
}

.hamburger::before { top: -8px; }
.hamburger::after { bottom: -8px; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.85rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background-color: var(--accent-red);
    color: #fff;
}

.btn-primary:hover {
    background-color: var(--accent-red-hover);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--text-dark);
    color: var(--text-dark);
}

.btn-outline:hover {
    background-color: var(--text-dark);
    color: #fff;
}

.btn-outline-light {
    background-color: transparent;
    border-color: var(--text-light);
    color: var(--text-light);
}

.btn-outline-light:hover {
    background-color: var(--text-light);
    color: var(--bg-dark);
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Footer */
footer {
    background-color: var(--bg-dark);
    color: var(--text-light);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: 4px solid var(--accent-red);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: var(--spacing-lg);
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-light);
    text-decoration: none;
    display: block;
    margin-bottom: 1rem;
}

.footer-grid h4 {
    color: var(--text-light);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--text-light);
}

.footer-bottom {
    border-top: 1px solid var(--border-dark);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Specific Blocks */
.hero-minimal {
    min-height: 90vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    position: relative;
    border-bottom: 1px solid var(--border-light);
}

.hero-content {
    max-width: 900px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-light);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    margin-bottom: 2rem;
    letter-spacing: 0.05em;
    background: var(--bg-surface);
}

/* Grid Components */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-lg); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-md); }

/* Service Cards */
.service-card {
    background: var(--bg-surface);
    padding: 3rem;
    border: 1px solid var(--border-light);
    transition: var(--transition-smooth);
    position: relative;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; width: 100%; height: 3px;
    background: var(--accent-red);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}
.service-card:hover {
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    transform: translateY(-5px);
}
.service-card:hover::before {
    transform: scaleX(1);
}

/* Forms */
.form-group {
    margin-bottom: 2rem;
    position: relative;
}
.form-control {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--border-dark);
    padding: 1rem 0;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-light);
    transition: border-color 0.3s;
}
.form-control:focus {
    outline: none;
    border-bottom-color: var(--accent-red);
}
.form-control::placeholder {
    color: var(--text-muted);
}

/* Responsive */
@media(max-width: 1024px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

@media(max-width: 768px) {
    header .container { height: 70px; }
    .menu-toggle { display: block; z-index: 1001; }
    nav ul {
        position: fixed;
        top: 0; left: 0; width: 100%; height: 100vh;
        background: var(--bg-base);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        opacity: 0;
        visibility: hidden;
        transition: var(--transition-smooth);
    }
    nav ul.active {
        opacity: 1;
        visibility: visible;
    }
    nav ul li { font-size: 2rem; }
    nav a { font-size: 1.5rem; }
    .menu-toggle.active .hamburger { background: transparent; }
    .menu-toggle.active .hamburger::before { transform: rotate(45deg); top: 0; }
    .menu-toggle.active .hamburger::after { transform: rotate(-45deg); top: 0; }
    
    .hero-minimal { padding-top: 70px; min-height: 80vh; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

/* Popup Styles */
.popup-overlay {
    display: none;
    position: fixed;
    z-index: 1999;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(17, 17, 17, 0.8);
    backdrop-filter: blur(5px);
}
.popup {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    background: var(--bg-surface);
    padding: 3rem;
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
    border-top: 4px solid var(--accent-red);
    width: 90%;
    max-width: 500px;
}
.popup-content { text-align: center; }
.popup-close {
    position: absolute;
    top: 15px;
    right: 20px;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--text-muted);
    transition: color 0.3s;
}
.popup-close:hover { color: var(--text-dark); }