/* 
   ARCHITECTURE FIRM - EDITORIAL STYLE 
   Author: Design Analysis Generation
*/

:root {
    /* Color Palette */
    --primary-black: #000000;
    --primary-white: #FFFFFF;
    --bg-warm-gray: #F2F0E9;
    --bg-light-gray: #E5E5E5;
    --text-main: #1A1A1A;
    --text-muted: #666666;
    --accent-color: #000000;
    
    /* Typography */
    --font-heading: "Modern No. 20", "Didot", "Playfair Display", serif;
    --font-body: "Inter", "Helvetica Now", "Helvetica", Arial, sans-serif;
    
    /* Spacing & Sizing */
    --section-padding: 120px 80px;
    --container-width: 1440px;
    --border-radius-lg: 32px;
    --border-radius-sm: 50px; /* Capsule shape */
    
    /* Transitions */
    --transition-smooth: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    --transition-fast: all 0.3s ease;
}

/* 1. Global Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 400;
    line-height: 1.1;
    text-transform: none;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

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

/* 2. Utility Classes */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 40px;
}

.text-uppercase { text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.75rem; font-weight: 600; }
.section-dark { background-color: var(--primary-black); color: var(--primary-white); }
.section-warm { background-color: var(--bg-warm-gray); }
.section-light { background-color: var(--bg-light-gray); }

/* 3. Navigation */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 30px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: bold;
}

.nav-capsule {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 8px 32px;
    border-radius: var(--border-radius-sm);
    display: flex;
    gap: 30px;
}

.nav-capsule a {
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-capsule a:hover {
    opacity: 0.6;
}

/* 4. Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: clamp(3.5rem, 8vw, 6rem);
    margin-bottom: 24px;
}

.hero-visual img {
    width: 100%;
    height: 80vh;
    border-radius: var(--border-radius-lg);
}

/* 5. Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 16px 36px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background: var(--primary-black);
    color: var(--primary-white);
    border: 1px solid var(--primary-black);
}

.btn-primary:hover {
    background: transparent;
    color: var(--primary-black);
}

.btn-outline {
    border: 1px solid currentColor;
    background: transparent;
}

/* 6. Selected Works (Staggered Grid) */
.works-section {
    padding: var(--section-padding);
}

.works-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 40px;
}

.work-card {
    grid-column: span 6;
}

.work-card:nth-child(odd) {
    margin-top: 80px;
}

.work-card.wide {
    grid-column: span 8;
}

.work-card.narrow {
    grid-column: span 4;
}

.work-image-wrapper {
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    margin-bottom: 20px;
}

.work-image-wrapper img {
    transition: var(--transition-smooth);
    width: 100%;
}

.work-card:hover img {
    transform: scale(1.05);
}

/* 7. Current Drafts (Carousel) */
.drafts-section {
    padding: var(--section-padding);
    overflow: hidden;
}

.draft-carousel {
    display: flex;
    gap: 30px;
    padding: 40px 0;
}

.draft-card {
    min-width: 600px;
    background: var(--primary-white);
    padding: 40px;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    opacity: 0.5;
    transform: scale(0.9);
    transition: var(--transition-smooth);
}

.draft-card.active {
    opacity: 1;
    transform: scale(1);
}

/* 8. Recognition & Impact */
.recognition-section {
    padding: var(--section-padding);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 100px;
}

.award-item {
    display: flex;
    justify-content: space-between;
    padding: 24px 0;
    border-bottom: 1px solid rgba(0,0,0,0.1);
}

.data-card {
    background: var(--primary-black);
    color: var(--primary-white);
    padding: 60px;
    border-radius: var(--border-radius-lg);
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    display: block;
}

/* 9. Newsletter */
.newsletter {
    padding: 100px 0;
    text-align: center;
}

.newsletter-input-group {
    display: flex;
    max-width: 500px;
    margin: 40px auto;
    border-bottom: 1px solid var(--primary-black);
}

.newsletter-input-group input {
    flex: 1;
    border: none;
    padding: 15px 0;
    outline: none;
    font-size: 1.1rem;
    background: transparent;
}

/* 10. Footer */
footer {
    padding: 80px 40px 40px;
    color: #888;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 80px;
}

.footer-brand {
    color: var(--primary-white);
}

.footer-heading {
    color: var(--primary-white);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.footer-links li {
    margin-bottom: 12px;
}

/* 11. Responsive Design */

/* Tablet (1024px) */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px 40px;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-visual img {
        height: 50vh;
    }
    
    .recognition-section {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .draft-card {
        min-width: 80%;
    }
}

/* Mobile (768px) */
@media (max-width: 768px) {
    header {
        padding: 20px;
    }
    
    .nav-capsule {
        display: none; /* In real app, replace with hamburger */
    }
    
    .works-grid {
        grid-template-columns: 1fr;
    }
    
    .work-card {
        grid-column: span 1 !important;
        margin-top: 40px !important;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .stat-number {
        font-size: 3rem;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
}

/* 12. Animations */
[data-fade-in] {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

[data-fade-in].visible {
    opacity: 1;
    transform: translateY(0);
}

@keyframes scrollIndicator {
    0% { transform: translateY(0); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateY(20px); opacity: 0; }
}

.scroll-icon::after {
    content: '';
    width: 2px;
    height: 40px;
    background: currentColor;
    display: block;
    margin: 10px auto;
    animation: scrollIndicator 2s infinite;
}