/* ========================================
   PF Consultants - Redesigned Light Theme
   ======================================== */

:root {
    /* Color Palette - Warm Professional Light */
    --bg-primary: #fafafa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f5f3ef;
    --bg-card: #ffffff;
    
    --text-primary: #1a1a2e;
    --text-secondary: #4a4a5a;
    --text-muted: #7a7a8a;
    
    --accent-primary: #e07a3d;
    --accent-secondary: #2d5a7b;
    --accent-tertiary: #3d8b6e;
    
    --border-light: #e8e6e1;
    --border-medium: #d4d2cb;
    
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.12);
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    
    --navbar-height: 70px;
    --banner-height: 52px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.65;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    line-height: 1.3;
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   SPOT Banner
   ======================================== */

.spot-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, #1a1a2e 0%, #2d2d44 100%);
    padding: 14px 0;
    z-index: 1001;
}

.spot-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #e07a3d, #3b82f6, #e07a3d);
}

.spot-banner::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 300px;
    height: 100%;
    background: radial-gradient(ellipse at right, rgba(224, 122, 61, 0.15) 0%, transparent 70%);
    pointer-events: none;
}

.banner-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
    position: relative;
    z-index: 1;
}

.banner-badge {
    background: #e07a3d;
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.banner-text {
    color: #f0f0f5;
    font-size: 15px;
}

.banner-text strong {
    color: #e07a3d;
    font-weight: 700;
}

.banner-release {
    color: #8a8a9a;
    font-size: 13px;
    padding: 4px 12px;
    background: rgba(255,255,255,0.08);
    border-radius: 20px;
}

.banner-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #e07a3d, #c4662d);
    color: #fff;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    margin-left: 8px;
}

.banner-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(224, 122, 61, 0.4);
}

.banner-btn i {
    font-size: 14px;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
    position: fixed;
    top: var(--banner-height);
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-light);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-primary);
}

.brand i {
    color: var(--accent-primary);
    font-size: 1.6rem;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-menu a {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 15px;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-primary);
    transition: var(--transition);
}

.nav-menu a:hover {
    color: var(--accent-primary);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

/* ========================================
   Hero Header
   ======================================== */

.hero {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: calc(var(--banner-height) + var(--navbar-height) + 60px) 24px 60px;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(ellipse at 30% 20%, rgba(224, 122, 61, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(45, 90, 123, 0.05) 0%, transparent 50%),
        linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
}

.hero-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 30%, var(--border-light) 1px, transparent 1px),
        radial-gradient(circle at 80% 70%, var(--border-light) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-title {
    font-size: clamp(2.5rem, 7vw, 4rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    margin: 0 auto 24px;
    border-radius: 2px;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-secondary);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-muted);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ========================================
   Sections
   ======================================== */

.section {
    padding: 100px 0;
}

.section-alt {
    background: var(--bg-tertiary);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    color: var(--text-primary);
    margin-bottom: 16px;
}

.section-line {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    margin: 0 auto;
    border-radius: 2px;
}

/* ========================================
   Exhibitors Banner
   ======================================== */

.exhibitors-banner {
    text-align: center;
    padding: 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    margin-bottom: 50px;
    box-shadow: var(--shadow-sm);
}

.exhibitors-banner span {
    color: var(--text-secondary);
    font-size: 15px;
}

.exhibitor-link {
    color: var(--accent-secondary) !important;
    font-weight: 600;
    margin: 0 4px;
}

.exhibitor-link:hover {
    color: var(--accent-primary) !important;
}

.separator {
    color: var(--text-muted) !important;
    margin: 0 8px;
}

/* ========================================
   Portfolio Grid
   ======================================== */

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.portfolio-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--accent-primary);
}

.portfolio-card-full {
    grid-column: 1 / -1;
}

.card-image {
    position: relative;
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: var(--transition);
    max-width: 100%;
    max-height: 100%;
}

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

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(26, 26, 46, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.portfolio-card:hover .card-overlay {
    opacity: 1;
}

.card-overlay i {
    color: #fff;
    font-size: 2rem;
}

.card-content {
    padding: 24px;
}

.card-tag {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--accent-primary);
    background: rgba(224, 122, 61, 0.1);
    padding: 4px 10px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.card-content h3 {
    font-size: 1.15rem;
    color: var(--text-primary);
    margin-bottom: 10px;
}

.card-content p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 16px;
    line-height: 1.6;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-secondary) !important;
    font-weight: 600;
    font-size: 14px;
}

.card-link:hover {
    color: var(--accent-primary) !important;
    gap: 10px;
}

.card-link i {
    font-size: 12px;
    transition: var(--transition);
}

.card-clients {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-light);
    font-size: 12px;
    color: var(--text-muted);
    line-height: 1.6;
}

.card-clients strong {
    color: var(--text-secondary);
}

.project-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.project-list li {
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-secondary);
    border-left: 3px solid var(--accent-primary);
}

.project-list li strong {
    display: block;
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 4px;
}

/* ========================================
   About Section
   ======================================== */

.about-content {
    max-width: 800px;
    margin: 0 auto 40px;
    text-align: center;
}

.about-content p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-content strong {
    color: var(--accent-primary);
}

.iaapa-badge {
    text-align: center;
}

.iaapa-badge img {
    height: 80px;
    opacity: 0.9;
}

/* ========================================
   Contact Section
   ======================================== */

.contact-content {
    text-align: center;
    margin-bottom: 50px;
}

.contact-content p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.contact-email {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--accent-secondary) !important;
    padding: 16px 32px;
    background: var(--bg-card);
    border: 2px solid var(--border-light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.contact-email:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary) !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact-email i {
    font-size: 1.4rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 700px;
    margin: 0 auto;
}

.contact-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    padding: 32px;
    text-align: center;
    transition: var(--transition);
}

.contact-card:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.contact-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--accent-primary), #c4662d);
    border-radius: var(--radius-sm);
    margin: 0 auto 20px;
}

.contact-icon i {
    font-size: 1.5rem;
    color: #fff;
}

.contact-card h3 {
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.contact-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

.contact-link {
    color: var(--accent-secondary) !important;
    font-weight: 600;
}

.contact-link:hover {
    color: var(--accent-primary) !important;
}

/* ========================================
   Footer
   ======================================== */

.footer {
    background: var(--bg-secondary);
    padding: 40px 0;
    border-top: 1px solid var(--border-light);
}

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

.footer-copy p {
    color: var(--text-muted);
    font-size: 14px;
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .portfolio-card-full {
        grid-column: 1 / -1;
    }
    
    .project-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --navbar-height: 60px;
    }
    
    body {
        padding-top: 102px;
    }
    
    .spot-banner {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        padding: 8px 12px;
        min-height: 42px;
    }
    
    .banner-content {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: 6px;
        flex-wrap: nowrap;
    }
    
    .banner-badge {
        font-size: 9px;
        padding: 2px 6px;
        order: 1;
    }
    
    .banner-text {
        font-size: 11px;
        order: 2;
        text-align: left;
    }
    
    .banner-release {
        display: none;
    }
    
    .banner-btn {
        font-size: 10px;
        padding: 4px 10px;
        margin-left: 0;
        order: 3;
    }
    
    .navbar {
        top: 42px;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 102px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        border-bottom: 1px solid var(--border-light);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .hero {
        min-height: 60vh;
        padding-top: 40px;
    }
    
    .section {
        padding: 60px 0;
    }
    
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    
    .portfolio-card-full {
        grid-column: 1;
    }
    
    .project-list {
        grid-template-columns: 1fr;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .card-content {
        padding: 20px;
    }
    
    .card-image {
        aspect-ratio: 16/9;
    }
    
    .project-list li {
        padding: 10px 12px;
        font-size: 13px;
    }
}