@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700;800;900&display=swap');

:root {
    /* Colors - Material Tonal Palette */
    --primary: #8e171c;
    --primary-container: #af3131;
    --on-primary: #ffffff;
    
    --surface: #f9f9f9;
    --surface-container-low: #f3f3f3;
    --surface-container-high: #e8e8e8;
    --surface-container-highest: #e2e2e2;
    --surface-container-lowest: #ffffff;
    
    --on-surface: #1a1c1c;
    --on-surface-variant: #58413f;
    --secondary: #5f5e5e;
    --outline-variant: rgba(224, 191, 188, 0.2); /* Ghost Border Fallback */
    
    --tertiary: #745b00;
    --tertiary-fixed: #ffe08b;
    --on-tertiary-fixed: #241a00;

    --whatsapp: #25D366;

    /* Typography */
    --font-main: 'Inter', sans-serif;
    
    /* Transitions */
    --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
    --transition-duration: 400ms;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background-color: var(--surface);
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Global Styles */
a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-duration) var(--ease-soft);
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    transition: all var(--transition-duration) var(--ease-soft);
}

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

/* Typography Scale */
h1, h2, h3, h4 {
    text-transform: uppercase;
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.1;
}

.display-lg { font-size: clamp(3.5rem, 10vw, 5.5rem); letter-spacing: -0.04em; }
.display-md { font-size: clamp(2.5rem, 7vw, 3.5rem); letter-spacing: -0.03em; }
.headline-lg { font-size: 2.25rem; letter-spacing: -0.02em; }
.headline-md { font-size: 1.85rem; letter-spacing: -0.02em; }

.label-md {
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.2em; /* Wide tracking for technical look */
}

.body-lg { font-size: 1.125rem; line-height: 1.7; font-weight: 400; }

/* Layout Helpers */
.container {
    max-width: 1400px; /* Slightly wider for editorial feel */
    margin: 0 auto;
    padding: 0 4rem; /* More horizontal breathing room */
}

.section-padding {
    padding: 12rem 0; /* Huge white space */
}

/* Material Components Styling */
.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: var(--on-primary);
    padding: 1.5rem 2.5rem;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 0.125rem;
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 4px 0px rgba(0,0,0,0.1);
    position: relative;
    overflow: hidden;
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: 0.5s;
}

.btn-primary:hover::after {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(142, 23, 28, 0.2);
}

/* Glassmorphism */
.glass-nav {
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: background 0.4s var(--ease-soft), border 0.4s var(--ease-soft), backdrop-filter 0.4s var(--ease-soft);
}

.glass-nav.glass-active {
    background: rgba(249, 249, 249, 0.85);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--outline-variant);
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(60px); /* Deeper movement */
    transition: opacity 1s var(--ease-soft), transform 1s var(--ease-soft);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 1s var(--ease-soft), transform 1s var(--ease-soft);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: 5rem;
    z-index: 1000;
    display: flex;
    align-items: center;
}

nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo img {
    height: 4.5rem; /* Increased from 3.5rem */
    width: auto;
    transition: transform 0.3s var(--ease-soft);
}

.logo img:hover {
    transform: scale(1.05);
}

.footer-logo {
    transition: transform 0.4s var(--ease-soft), filter 0.4s var(--ease-soft);
    display: block;
}

.footer-logo:hover {
    transform: scale(1.08) translateY(-5px);
    filter: drop-shadow(0 15px 30px rgba(0,0,0,0.1));
}

.nav-links {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--secondary);
    font-weight: 700;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 5rem;
    background-color: var(--surface);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 60%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    opacity: 0.15;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, var(--surface) 0%, transparent 100%);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--tertiary-fixed);
    color: var(--on-tertiary-fixed);
    padding: 0.25rem 0.75rem;
    border-radius: 99rem;
    margin-bottom: 1.5rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.service-card {
    background-color: var(--surface-container-lowest);
    padding: 2.5rem;
    transition: all var(--transition-duration) var(--ease-soft);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 40px 60px rgba(26, 28, 28, 0.05); /* Ambient Shadow */
}

.service-icon {
    width: 4rem;
    height: 4rem;
    background-color: var(--surface-container-low);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    transition: all var(--transition-duration) var(--ease-soft);
}

.service-card:hover .service-icon {
    background-color: var(--primary);
    color: var(--on-primary);
}

/* Brands Strip */
.brands-strip {
    background-color: var(--surface-container-low);
    padding: 3rem 0;
}

.brands-container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 3rem;
    opacity: 0.5;
    filter: grayscale(100%);
    transition: all 0.7s var(--ease-soft);
}

.brands-container:hover {
    opacity: 1;
    filter: grayscale(0%);
}

.brand-item {
    font-size: 1.5rem;
    font-weight: 900;
}

/* About Section - Asymmetry */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 0.125rem;
    box-shadow: 0 40px 80px rgba(0,0,0,0.1);
}

.about-floating-badge {
    position: absolute;
    bottom: -2rem;
    right: -2rem;
    background-color: var(--primary);
    color: var(--on-primary);
    padding: 2rem;
    z-index: 5;
}

/* CTA */
.cta-section {
    background-color: var(--on-surface);
    color: var(--surface);
    text-align: center;
}

/* Footer */
footer {
    background-color: var(--surface-container-low);
    padding: 4rem 0;
    border-top: 1px solid var(--outline-variant);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr; /* Increased first column width */
    gap: 4rem;
    align-items: start;
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2.5rem;
    width: 4rem;
    height: 4rem;
    background-color: var(--whatsapp);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 9999;
    font-size: 2rem;
    animation: boing 10s ease-in-out infinite;
    transition: transform 0.3s var(--ease-soft), box-shadow 0.3s var(--ease-soft);
}

.whatsapp-float:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.4);
}

@keyframes boing {
    0%, 90%, 100% { transform: scale(1); }
    92% { transform: scale(1.2); }
    94% { transform: scale(0.9); }
    96% { transform: scale(1.1); }
    98% { transform: scale(0.95); }
}

/* Responsive */
@media (max-width: 1024px) {
    .about-grid { grid-template-columns: 1fr; }
    .hero-bg { width: 100%; opacity: 0.1; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .section-padding { padding: 4rem 0; }
    .footer-grid { grid-template-columns: 1fr; }
}