/* --- 1. RESET & VARIABLES --- */
:root {
    /* Palette */
    --bg-color: #ffffff;      
    --text-color: #0a0a0a;    
    --text-dim: #333333;      
    --border-color: #e5e5e5;  
    --red-accent: #ff3b30;    
    
    /* Fonts */
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Montserrat', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-body);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

a { text-decoration: none; color: inherit; transition: 0.2s; }

/* --- 2. HEADER --- */
.minimal-header {
    padding: 1.5rem 2rem;
    background: rgba(255,255,255,0.98);
    position: sticky; top: 0; z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}
.header-content {
    max-width: 1100px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center;
}
.logo { font-family: var(--font-heading); font-weight: 700; font-size: 1.1rem; text-transform: uppercase; letter-spacing: 1px; }
.nav-links { list-style: none; display: flex; gap: 2rem; }
.nav-links a { font-family: var(--font-heading); font-size: 0.85rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; font-weight: 500; }
.nav-links a:hover { color: var(--text-color); }

/* --- 3. LAYOUT CONTAINERS --- */
.main-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* --- 4. HERO SECTION --- */
.intro-section {
    padding: 8rem 0;
    border-bottom: 1px solid var(--border-color);
    display: flex; align-items: center; justify-content: space-between; gap: 4rem;
}
.intro-content { flex: 1; max-width: 550px; }
.section-label-small { font-family: var(--font-heading); font-size: 1.5rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 2px; margin-bottom: 1rem; }
.intro-title { font-family: var(--font-heading); font-size: 2.5rem; font-weight: 500; line-height: 1.2; margin-bottom: 1.5rem; color: var(--text-color); }
.intro-bio { font-size: 1rem; color: var(--text-dim); margin-bottom: 2rem; }
.intro-bio strong { color: var(--text-color); font-weight: 600; }
.text-link { font-family: var(--font-heading); font-size: 0.85rem; font-weight: 600; text-transform: uppercase; letter-spacing: 1px; border-bottom: 1px solid var(--text-color); padding-bottom: 2px; }
.text-link:hover { opacity: 0.6; }

.profile-img-container { width: 300px; height: 300px; border-radius: 50%; overflow: hidden; flex-shrink: 0; }
.profile-img { width: 100%; height: 100%; object-fit: cover; }

/* --- 5. PROJECTS SECTION --- */
.projects-section { padding: 6rem 0; }
.projects-title { font-family: var(--font-heading); font-size: 2rem; margin-bottom: 4rem; text-transform: uppercase; }
.projects-list { display: flex; flex-direction: column; gap: 8rem; }

.project-row { display: flex; align-items: flex-start; gap: 4rem; }
.row-image { flex: 1.4; aspect-ratio: 16 / 9; overflow: hidden; background: #f4f4f4; position: relative; }
.row-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.row-image:hover img { transform: scale(1.03); }

.card-overlay { position: absolute; top: 0; left: 0; width: 100%; height: 100%; background: rgba(255,255,255,0.9); display: flex; align-items: center; justify-content: center; opacity: 0; transition: 0.3s; }
.row-image:hover .card-overlay { opacity: 1; }
.view-btn { border: 1px solid var(--text-color); color: var(--text-color); padding: 0.8rem 1.5rem; font-family: var(--font-heading); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 2px; }

.row-content { flex: 1; padding-top: 0.5rem; }
.row-date { font-family: var(--font-heading); font-size: 0.8rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 0.5rem; display: block; }
.row-title { font-family: var(--font-heading); font-size: 1.8rem; font-weight: 600; margin-bottom: 1rem; line-height: 1.1; }
.row-desc { font-size: 0.95rem; color: var(--text-dim); margin-bottom: 2rem; }
.pill-btn { display: inline-block; border: 1px solid var(--border-color); color: var(--text-color); padding: 0.6rem 1.5rem; border-radius: 50px; font-family: var(--font-heading); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 1px; transition: 0.2s; }
.pill-btn:hover { border-color: var(--text-color); background: var(--text-color); color: #fff; }

/* --- 6. PROCESS SECTION --- */
.process-section { padding: 6rem 0; border-top: 1px solid var(--border-color); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; margin-top: 3rem; }
.process-card { padding: 1.5rem; background: #f9f9f9; border-radius: 4px; transition: transform 0.2s; }
.process-card:hover { transform: translateY(-3px); }
.process-icon { font-size: 1.5rem; margin-bottom: 1rem; opacity: 0.8; }
.process-card h3 { font-family: var(--font-heading); font-size: 0.9rem; margin-bottom: 0.5rem; text-transform: uppercase; letter-spacing: 1px; }
.process-card p { font-size: 0.85rem; color: var(--text-dim); line-height: 1.6; }

/* --- 7. FOOTER --- */
.footer-section { padding: 4rem 0; border-top: 1px solid var(--border-color); text-align: center; }
.footer-links a { margin: 0 1.5rem; font-family: var(--font-heading); font-size: 0.9rem; text-transform: uppercase; letter-spacing: 1px; color: var(--text-dim); }
.footer-links a:hover { color: var(--text-color); }

/* --- 8. PROJECT PAGE SPECIFIC --- */
.case-hero { padding-top: 0; margin-bottom: 4rem; }
.hero-image-container { width: 100%; max-width: 1200px; margin: 0 auto; height: 50vh; overflow: hidden; position: relative; }
.full-width-img { width: 100%; height: 100%; object-fit: cover; }

.project-header-compact { max-width: 900px; margin: 3rem auto; text-align: center; }
.case-title { font-family: var(--font-heading); font-size: 3rem; margin-bottom: 1.5rem; line-height: 1; color: var(--text-color); }
.project-stats-grid { display: flex; justify-content: center; gap: 3rem; margin-bottom: 2rem; border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); padding: 1.5rem 0; }
.stat-box { display: flex; flex-direction: column; }
.stat-box .label { font-family: var(--font-heading); font-size: 0.75rem; color: var(--text-dim); letter-spacing: 1px; margin-bottom: 0.2rem; text-transform: uppercase; }
.stat-box .value { font-size: 0.95rem; font-weight: 600; }
.team-credit { font-size: 0.9rem; color: var(--text-dim); margin-top: 1rem; }
.header-actions .resume-btn { display: inline-block; background: var(--text-color); color: #fff; padding: 0.8rem 2rem; font-family: var(--font-heading); text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; display: inline-block; }

/* --- 9. TOP SLIDER (TRANSPARENT + CONSTRAINED ARROWS) --- */
.top-slider-section {
    width: 100%; /* FIXED: Prevents horizontal scroll */
    position: relative;
    background: transparent; 
    margin-bottom: 0; 
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: transparent;
}

.slider-wrapper { display: flex; transition: transform 0.5s ease-in-out; height: 100%; }
.slide { min-width: 100%; height: 100%; display: flex; align-items: center; justify-content: center; }
.slide img { width: 100%; height: 100%; object-fit: cover; }

.slider-btn {
    position: absolute; top: 50%; transform: translateY(-50%);
    background: transparent; color: white; border: none;
    font-size: 3rem; padding: 2rem; cursor: pointer; z-index: 10; opacity: 0.7;
    text-shadow: 0 2px 8px rgba(0,0,0,0.6);
}
.slider-btn:hover { opacity: 1; transform: translateY(-50%) scale(1.1); }
/* Arrows constrained to content width */
.prev { left: max(2rem, calc(50% - 600px)); } 
.next { right: max(2rem, calc(50% - 600px)); }

.slider-dots-container {
    position: absolute; bottom: 20px; left: 50%; transform: translateX(-50%);
    display: flex; gap: 10px; z-index: 10;
    padding: 8px 16px; background: rgba(0,0,0,0.5); border-radius: 20px;
}
.dot { width: 10px; height: 10px; background: rgba(255,255,255,0.5); border-radius: 50%; cursor: pointer; }
.dot.active { background: var(--red-accent); transform: scale(1.2); }

/* --- 10. CONTENT READING WIDTH (EXPANDED TO 1100px) --- */
.case-study-content { 
    max-width: 1100px; /* Aligns with header width */
    margin: 0 auto; 
    padding-bottom: 6rem; 
}
.content-block { margin-bottom: 4rem; }

.block-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    border-left: 4px solid var(--text-color);
    padding-left: 1rem;
}

.sub-title { font-family: var(--font-heading); font-size: 1.1rem; margin-bottom: 0.8rem; text-transform: uppercase; letter-spacing: 1px; font-weight: 700; }

.block-text { font-size: 1.05rem; color: var(--text-dim); margin-bottom: 1.5rem; line-height: 1.8; }

/* Large Lead Text */
.lead-text {
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--text-color);
    line-height: 1.5;
    margin-bottom: 1.5rem;
}

/* --- 11. SIDE BY SIDE LAYOUT (SPLIT SECTION) --- */
.split-section {
    display: grid;
    grid-template-columns: 1fr 1.2fr; /* Text Left, Image Right */
    gap: 4rem;
    align-items: center;
}

.split-text { padding-right: 1rem; }

.split-image img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    display: block;
}

.caption {
    text-align: center;
    font-size: 0.9rem;
    color: #888;
    margin-top: 0.8rem;
    font-style: italic;
}

/* LISTS & GRIDS */
.clean-list { list-style: none; padding: 0; }
.clean-list li { margin-bottom: 0.8rem; font-size: 1rem; color: var(--text-dim); line-height: 1.6; }
.clean-list li strong { color: var(--text-color); }

.split-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; }
.four-col-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.small-card { background: #f9f9f9; padding: 1.5rem; border-radius: 4px; }
.small-card h4 { font-family: var(--font-heading); font-size: 0.9rem; margin-bottom: 0.5rem; text-transform: uppercase; font-weight: 700; }
.small-card p { font-size: 0.9rem; line-height: 1.5; color: var(--text-dim); }

.system-box { margin-bottom: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border-color); }
.system-box h3 { font-family: var(--font-heading); margin-bottom: 0.5rem; font-size: 1.2rem; }

.pacing-timeline { display: flex; gap: 1.5rem; margin-top: 1.5rem; }
.pacing-step { flex: 1; padding: 1.5rem; border-top: 3px solid var(--text-color); background: #f9f9f9; }
.pacing-step strong { display: block; font-family: var(--font-heading); font-size: 1rem; margin-bottom: 0.5rem; }
.pacing-step p { font-size: 0.9rem; color: var(--text-dim); }

.three-col-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
.pm-card { padding: 1.5rem; background: #f9f9f9; }
.pm-card h4 { font-family: var(--font-heading); font-size: 1rem; margin-bottom: 1rem; text-transform: uppercase; font-weight: 700; }
.pm-card ul { padding-left: 1rem; font-size: 0.95rem; color: var(--text-dim); }
.pm-card.green { border-top: 3px solid #2ecc71; }
.pm-card.red { border-top: 3px solid #e74c3c; }
.pm-card.yellow { border-top: 3px solid #f1c40f; }

/* --- 8. PDF VIEWER MODAL --- */
#viewer {
    display: none; 
    position: fixed; 
    inset: 0; 
    background: rgba(0,0,0,0.95);
    z-index: 2000; 
    padding-top: 40px; 
    text-align: center;
}
#viewer iframe { width: 80vw; height: 85vh; border-radius: 4px; border: none; background: #fff; }

/* Single Image (Standard Block) */
.single-image { margin-top: 2rem; margin-bottom: 2rem; }
.single-image img { width: 100%; border-radius: 4px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }

/* NEW VIDEO CONTAINER (Responsive 16:9) */
.video-wrapper {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .split-section { grid-template-columns: 1fr; gap: 2rem; } /* Stacks image under text */
    .project-stats-grid { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
    .split-grid, .four-col-grid, .three-col-grid, .pacing-timeline { grid-template-columns: 1fr; flex-direction: column; }
    .slider-container { aspect-ratio: 4/3; }
    .slider-btn { font-size: 2rem; padding: 1rem; }
    .prev { left: 0; } .next { right: 0; }
}
@media (max-width: 600px) {
    .process-grid { grid-template-columns: 1fr; }
    .nav-links { display: none; }
    .hero-image-container { height: 35vh; }
}

/* --- UPDATED BUTTON STYLES --- */
.big-doc-btn {
    display: inline-block;
    background-color: var(--text-color); /* Solid Black */
    color: #fff;
    border: 2px solid var(--text-color);
    padding: 1.2rem 3rem;  /* Much bigger click area */
    font-family: var(--font-heading);
    font-size: 1rem;       /* Larger text */
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 5px 15px rgba(0,0,0,0.15); /* Subtle shadow for depth */
}

/* Hover Effect: Turns Red (Theme: Fear/Alert) */
.big-doc-btn:hover {
    background-color: var(--red-accent); 
    border-color: var(--red-accent);
    transform: translateY(-3px); /* Lifts up slightly */
    box-shadow: 0 10px 25px rgba(255, 59, 48, 0.4); /* Red glow */
}

.big-doc-btn:active {
    transform: translateY(-1px);
}

/* --- UPDATED PDF VIEWER CLOSE BUTTON --- */
#viewer .controls button {
    padding: 12px 30px; 
    margin-bottom: 20px; 
    border: none; 
    background: var(--red-accent); /* Default to Red for "Close/Stop" */
    color: white; 
    border-radius: 50px; /* Pill shape */
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: 0.3s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
}

#viewer .controls button:hover {
    background: white; 
    color: var(--red-accent);
    transform: scale(1.05);
}

/* --- BEFORE/AFTER COMPARISON STYLES --- */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.compare-card {
    position: relative;
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

.compare-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.compare-card:hover img {
    transform: scale(1.03);
}

.compare-label {
    position: absolute;
    top: 15px;
    left: 15px;
    background-color: #111; /* Black background */
    color: #fff;
    padding: 0.4rem 1rem;
    font-family: 'Oswald', sans-serif; /* Uses your existing font var */
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: 2px;
    z-index: 2;
    box-shadow: 0 2px 5px rgba(0,0,0,0.3);
}

/* Specific Badge Colors */
.label-before { border-left: 3px solid #ff3b30; } /* Red Accent */
.label-after { border-left: 3px solid #2ecc71; } /* Green Accent */

@media (max-width: 768px) {
    .comparison-grid { grid-template-columns: 1fr; } /* Stack on mobile */
}

/* Add this to style.css */
.row-desc ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.row-desc li {
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-dim);
    line-height: 1.5;
}

.row-desc li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--red-accent); /* Adds a nice pop of color */
    font-weight: bold;
}