/* 
   Theme: Refined Corporate (Vibrant Light Edition)
   Author: Eyimofe A. Pinnick Portfolio
*/

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;700&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

:root {
    /* Colors */
    --bg-dark: #F8FAFC; /* Softer, slightly cool slate-50 background */
    --bg-card: #FFFFFF; /* Pure white for cards */
    
    --text-white: #0F172A; /* Main Text Color (Slate 900) */
    --text-muted: #475569; /* Muted Text Color (Slate 600) */
    
    /* Vibrant Professional Blue Accent */
    --accent: #2563EB; /* Premium Royal Blue */
    --accent-glow: rgba(37, 99, 235, 0.15);
    --accent-dark: #1D4ED8;
    --accent-light: #DBEAFE; /* Very soft blue for tags/pills */
    
    --border-glass: #E2E8F0; /* Subtle slate border */
    
    /* Typography */
    --font-sans: 'Outfit', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    
    /* Spacing */
    --container-width: 1200px;
}

/* Reset */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box; /* Critical for padding to not add to width */
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-muted);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    /* Adding subtle life to background */
    background-image: radial-gradient(circle at 15% 50%, rgba(37, 99, 235, 0.04), transparent 30%),
                      radial-gradient(circle at 85% 30%, rgba(37, 99, 235, 0.03), transparent 25%);
}

/* Ensure strong text stands out */
strong {
    color: var(--text-white);
    font-weight: 700;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Typography */
h1, h2, h3, h4, .brand {
    font-family: var(--font-display);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text-white);
}

h1 {
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 1.1;
    margin-bottom: 2rem;
}

/* Adding a refined gradient to make the accent pop in H1 */
h1 .text-accent {
    background: linear-gradient(to right, var(--accent), #14B8A6); /* Subtle blue to teal pop */
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin-bottom: 2rem;
}

p {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.text-accent {
    color: var(--accent);
}

/* Layout */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 120px 0;
}

.flex { display: flex; }
.grid { display: grid; }
.center { display: flex; justify-content: center; align-items: center; }

/* Navigation */
.nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(248, 250, 252, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-glass);
    padding: 1.25rem 0;
}

.nav-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.brand {
    font-size: 1.5rem;
    color: var(--text-white);
    text-transform: uppercase;
}

.brand span { color: var(--accent); }

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    font-family: var(--font-display);
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 0.2rem 0;
}

.nav-link:hover {
    color: var(--accent);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0%;
    height: 2px;
    background-color: var(--accent);
    transition: width 0.3s ease;
}

.nav-link:hover::before {
    width: 100%;
}

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

.hero-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-label {
    font-family: var(--font-display);
    color: var(--accent);
    background: var(--accent-light);
    border: 1px solid rgba(37, 99, 235, 0.15);
    padding: 0.4rem 1.2rem;
    border-radius: 100px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.8rem;
    margin-bottom: 1.5rem;
    display: inline-block;
    font-weight: 700;
}

.hero-image-container {
    position: relative;
}

.hero-image {
    width: 100%;
    max-width: 400px;
    aspect-ratio: 1/1.1;
    object-fit: cover;
    border-radius: 20px;
    background: #E2E8F0;
    position: relative;
    z-index: 2;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    box-shadow: 0 10px 30px -5px rgba(37, 99, 235, 0.08), 0 4px 10px -2px rgba(37, 99, 235, 0.04);
}

.hero-image:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px -8px rgba(37, 99, 235, 0.15), 0 8px 16px -4px rgba(37, 99, 235, 0.08);
}

.hero-image-bg {
    position: absolute;
    top: 20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 2px dashed var(--accent); /* Bring back a bit of fun geometric accent */
    border-radius: 20px;
    z-index: 1;
    opacity: 0.3;
}

/* Buttons */
.btn {
    display: inline-flex;
    padding: 0.8rem 2rem;
    border-radius: 100px; /* Rounded pill buttons feel modern and alive */
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    align-items: center;
    justify-content: center;
}

.btn-primary {
    background: var(--accent); /* Let the button pop with color */
    color: #FFFFFF !important;
    border: 1px solid var(--accent);
    box-shadow: 0 4px 14px 0 rgba(37, 99, 235, 0.3); /* Beautiful colored shadow */
}

.btn-primary:hover {
    background: var(--accent-dark);
    border-color: var(--accent-dark);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-glass);
    color: var(--text-white) !important;
}

.btn-outline:hover {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent) !important;
    transform: translateY(-2px);
}

.btn-sm {
    padding: 0.5rem 1.5rem;
    font-size: 0.85rem;
}

.card-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    z-index: 2;
    position: relative;
    flex-wrap: wrap;
}

/* Marquee / Skills */
.marquee-container {
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    padding: 3rem 0;
    background: #FFFFFF;
    border-top: 1px solid var(--border-glass);
    border-bottom: 1px solid var(--border-glass);
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
}

.marquee-content {
    display: inline-block;
    animation: marquee 40s linear infinite;
}

.marquee-item {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: #F8FAFC;
    -webkit-text-stroke: 1px #CBD5E1;
    margin: 0 2rem;
    text-transform: uppercase;
    transition: color 0.3s, -webkit-text-stroke 0.3s;
}

.marquee-item.accent {
    -webkit-text-stroke: 1px #94A3B8;
    color: #F1F5F9;
}

.marquee-container:hover .marquee-item.accent {
    color: var(--accent);
    -webkit-text-stroke: 1px var(--accent);
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

/* Projects */
.project-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--bg-card);
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px -2px rgba(0, 0, 0, 0.02);
}

.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.1), 0 8px 10px -6px rgba(37, 99, 235, 0.05); /* Beautiful blue-tinted shadow */
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--accent), #14B8A6);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s ease;
}

.project-card:hover::before {
    transform: scaleX(1);
}

.card-cat {
    color: var(--accent);
    font-family: var(--font-display);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    font-weight: 700;
}

.card-title {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-top: 1.5rem;
}

.tag {
    font-size: 0.75rem;
    padding: 0.4rem 1rem;
    border: 1px solid rgba(37, 99, 235, 0.1);
    border-radius: 100px;
    background: var(--accent-light);
    color: var(--accent-dark);
    font-family: var(--font-display);
    font-weight: 600;
}

/* Experience */
.exp-list {
    display: grid;
    gap: 2rem;
}

.exp-item {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: 2rem;
    padding: 2rem;
    background: #FFFFFF;
    border: 1px solid var(--border-glass);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.exp-item:hover {
    border-color: rgba(37, 99, 235, 0.3);
    box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.05);
}

.exp-year {
    font-family: var(--font-display);
    color: var(--accent);
    font-size: 1.1rem;
    font-weight: 700;
}

/* Case Study Overrides */
.case-study-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-glass);
    color: var(--text-white);
    padding: 160px 0 80px;
    position: relative;
    overflow: hidden;
}

.case-study-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(to right, var(--accent), #14B8A6);
}

.case-study-header h1 {
    color: var(--text-white);
    margin-bottom: 1.5rem;
}

.case-study-header p { color: var(--text-muted); }

.cs-meta-grid { 
    border-top: 1px solid var(--border-glass); 
    padding-top: 2rem;
    margin-top: 3rem;
}
.cs-meta-item h5 { color: var(--text-muted); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.5rem; }
.cs-meta-item p { color: var(--text-white); font-weight: 600; }
.artifact-box {
    background: #F8FAFC;
    border: 1px solid var(--border-glass);
    color: var(--text-muted);
    padding: 2rem;
    border-radius: 16px;
    margin-bottom: 2rem;
    border-left: 4px solid var(--accent);
}
.artifact-box h3 { color: var(--text-white); margin-bottom: 1rem; }

/* Custom List Styling */
.cs-content ul {
    list-style: none;
    margin: 1.5rem 0;
}

.cs-content li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--text-muted);
}

.cs-content li::before {
    content: '→';
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent);
    font-size: 1rem;
    font-weight: bold;
}

.cs-content li strong {
    color: var(--text-white);
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 0.5rem;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-white);
    margin: 5px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

/* Sidebar */
.sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100vh;
    background: rgba(248, 250, 252, 0.98);
    backdrop-filter: blur(16px);
    z-index: 999;
    padding: 120px 2rem;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.sidebar.active {
    transform: translateX(0);
}

.sidebar-link {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--text-white);
    font-weight: 700;
}

.sidebar-link:hover {
    color: var(--accent);
}

/* Hamburger Animation */
.mobile-nav-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.mobile-nav-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}
.mobile-nav-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile */
@media (max-width: 900px) {
    .container {
        padding: 0 2rem;
    }

    .mobile-nav-toggle {
        display: block;
    }

    h1 { font-size: 3rem; }
    h2 { font-size: 2.5rem; }
    
    .hero-grid { grid-template-columns: 1fr; text-align: center; gap: 2rem; }
    .hero-buttons { justify-content: center; }
    .hero-image { margin: 0 auto; max-width: 280px; }
    .hero-image-bg { display: none; }
    .hero-label { margin-top: 1rem; }
    
    .exp-item { grid-template-columns: 1fr; gap: 0.5rem; }
    
    .nav-links {
        display: none;
    }
    
    .section {
        padding: 80px 0;
    }
    
    .marquee-item {
        font-size: 1.5rem;
        margin: 0 1rem;
    }
    
    .marquee-container {
        padding: 2rem 0;
        width: 100vw;
        margin-left: -2rem;
        margin-right: -2rem;
        mask-image: linear-gradient(to right, transparent, black 5%, black 95%, transparent);
    }

    .project-grid {
        grid-template-columns: 1fr;
    }

    .case-study-header {
        padding: 120px 0 60px;
    }
    
    .cs-meta-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}

/* Utils */
.no-scroll {
    overflow: hidden;
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (max-width: 768px) {
  .projects-header {
    padding: 1rem; /* adjust as needed */
  }
}