/* Base & Reset */
.pf-ai-section {
    position: relative;
    padding: 80px 0;
}

.pf-ai-fullwidth {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
}

.pf-ai-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Typography */
.pf-ai-title {
    font-family: 'Roboto', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    color: #ffffff;
}

.pf-ai-section-title {
    font-family: 'Roboto', sans-serif;
    font-size: 2.25rem;
    font-weight: 700;
    color: #432b2d;
    margin-bottom: 2.5rem;
    position: relative;
    display: inline-block;
}

.pf-ai-section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 60px;
    height: 4px;
    background: #ef7c00;
    border-radius: 2px;
}

.pf-ai-text {
    font-family: 'Roboto', sans-serif;
    font-size: 1.1rem;
    line-height: 1.7;
    color: #586782;
}

.pf-ai-mono {
    font-family: 'Roboto Mono', monospace;
}

/* Animations */
@keyframes pf-ai-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

@keyframes pf-ai-float-reverse {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(20px) rotate(-5deg); }
}

@keyframes pf-ai-pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(239, 124, 0, 0.3); }
    50% { box-shadow: 0 0 40px rgba(239, 124, 0, 0.6); }
}

@keyframes pf-ai-gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes pf-ai-fade-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Hero Section */
.pf-ai-hero {
    position: relative;
    padding: 120px 0 100px;
    overflow: hidden;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: linear-gradient(135deg, #432b2d 0%, #2e2e2e 100%);
    margin-bottom: 60px;
}

.pf-ai-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 50%, rgba(239, 124, 0, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.pf-ai-year {
    font-family: 'Roboto Mono', monospace;
    display: inline-block;
    background: #ef7c00;
    color: #ffffff;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 2rem;
    animation: pf-ai-pulse-glow 3s infinite;
    letter-spacing: 2px;
}

.pf-ai-subtitle {
    font-family: 'Roboto', sans-serif;
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 300;
    margin-top: 1rem;
    max-width: 600px;
}

/* Floating Shapes */
.pf-ai-shape {
    position: absolute;
    border-radius: 10px;
    opacity: 0.1;
}

.pf-ai-shape-1 {
    width: 120px;
    height: 120px;
    background: #ef7c00;
    top: 10%;
    right: 10%;
    animation: pf-ai-float 6s ease-in-out infinite;
}

.pf-ai-shape-2 {
    width: 80px;
    height: 80px;
    background: #58b8cb;
    bottom: 20%;
    right: 25%;
    border-radius: 50%;
    animation: pf-ai-float-reverse 8s ease-in-out infinite;
}

.pf-ai-shape-3 {
    width: 60px;
    height: 60px;
    background: #ef7c00;
    top: 30%;
    right: 30%;
    animation: pf-ai-float 10s ease-in-out infinite;
}

/* Screenshot Section */
.pf-ai-screenshot-section {
    position: relative;
    margin-bottom: 80px;
}

.pf-ai-screenshot-wrapper {
    background: #ffffff;
    border-radius: 10px;
    box-shadow: 0 20px 60px rgba(67, 43, 45, 0.15);
    padding: 20px;
    border: 1px solid rgba(88, 184, 203, 0.2);
    position: relative;
    transform: translateY(0);
    transition: all 0.5s ease-out;
}

.pf-ai-screenshot-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 80px rgba(67, 43, 45, 0.2);
}

.pf-ai-screenshot-wrapper::before {
    content: '';
    display: block;
    height: 30px;
    background: #eaf6f8;
    border-radius: 6px 6px 0 0;
    margin: -20px -20px 20px -20px;
    border-bottom: 1px solid rgba(88, 184, 203, 0.3);
}

/* Project Info */
.pf-ai-info-section {
    margin-bottom: 80px;
}

.pf-ai-intro-text {
    font-size: 1.25rem;
    color: #432b2d;
    font-weight: 500;
    margin-bottom: 2rem;
    line-height: 1.6;
    border-left: 4px solid #ef7c00;
    padding-left: 20px;
}

.pf-ai-challenge-box {
    background: #eaf6f8;
    border-radius: 10px;
    padding: 40px;
    margin-bottom: 40px;
    position: relative;
    overflow: hidden;
}

.pf-ai-challenge-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, #ef7c00, #58b8cb);
}

.pf-ai-solution-grid {
    margin-top: 60px;
}

.pf-ai-solution-card {
    background: #ffffff;
    border-radius: 6px;
    padding: 30px;
    height: 100%;
    border: 1px solid rgba(88, 184, 203, 0.1);
    box-shadow: 0 2px 15px rgba(88, 184, 203, 0.1);
    transition: all 0.3s ease-out;
    position: relative;
    overflow: hidden;
}

.pf-ai-solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: #ef7c00;
    transform: scaleY(0);
    transition: transform 0.3s ease-out;
}

.pf-ai-solution-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 2px 15px rgba(88, 184, 203, 0.3);
    border-color: rgba(239, 124, 0, 0.3);
}

.pf-ai-solution-card:hover::before {
    transform: scaleY(1);
}

.pf-ai-card-number {
    font-family: 'Roboto Mono', monospace;
    font-size: 2.5rem;
    font-weight: 700;
    color: #ef7c00;
    opacity: 0.3;
    line-height: 1;
    margin-bottom: 15px;
}

.pf-ai-card-title {
    font-family: 'Roboto', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #432b2d;
    margin-bottom: 15px;
}

.pf-ai-card-text {
    font-size: 0.95rem;
    color: #586782;
    line-height: 1.6;
}

/* Color Palette */
.pf-ai-colors-section {
    margin: 80px 0;
}

.pf-ai-colors-bg {
    background: linear-gradient(135deg, #eaf6f8 0%, #ffffff 100%);
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.pf-ai-colors-bg::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: rgba(239, 124, 0, 0.05);
    border-radius: 50%;
    animation: pf-ai-float 20s ease-in-out infinite;
}

.pf-ai-color-swatch {
    height: 200px;
    border-radius: 10px;
    display: flex;
    align-items: flex-end;
    padding: 25px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease-out;
    cursor: pointer;
}

.pf-ai-color-swatch:hover {
    transform: scale(1.02);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.pf-ai-color-orange {
    background: #ef7c00;
}

.pf-ai-color-brown {
    background: #432b2d;
}

.pf-ai-color-info {
    background: rgba(255, 255, 255, 0.95);
    padding: 15px 25px;
    border-radius: 6px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.pf-ai-color-name {
    display: block;
    font-family: 'Roboto', sans-serif;
    font-weight: 700;
    color: #2e2e2e;
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.pf-ai-color-hex {
    font-family: 'Roboto Mono', monospace;
    color: #949c9e;
    font-size: 0.9rem;
    text-transform: uppercase;
}

/* Tags Section */
.pf-ai-tags-section {
    margin-bottom: 80px;
}

.pf-ai-tags-section h4 {
    font-family: 'Roboto', sans-serif;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #949c9e;
    margin: 30px 0 15px;
    font-weight: 700;
}

.pf-ai-tags-section h4:first-child {
    margin-top: 0;
}

.pf-ai-tag-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.pf-ai-tag-list li {
    margin: 0;
}

.pf-ai-tag-list li a {
    display: inline-block;
    font-family: 'Roboto', sans-serif;
    font-size: 0.9rem;
    color: #432b2d;
    background: #ffffff;
    border: 1px solid rgba(67, 43, 45, 0.2);
    padding: 8px 20px;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease-out;
}

.pf-ai-tag-list li a:hover {
    background: #ef7c00;
    color: #ffffff;
    border-color: #ef7c00;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(239, 124, 0, 0.3);
}

/* CTA Section */
.pf-ai-cta-section {
    position: relative;
    padding: 100px 0;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: #432b2d;
    overflow: hidden;
}

.pf-ai-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, #432b2d, #ef7c00, #432b2d);
    background-size: 200% 200%;
    animation: pf-ai-gradient-shift 15s ease infinite;
    opacity: 0.1;
}

.pf-ai-cta-content {
    position: relative;
    z-index: 1;
}

.pf-ai-cta-title {
    font-family: 'Roboto', sans-serif;
    font-size: 2.5rem;
    color: #ffffff;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

.pf-ai-cta-text {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
}

.pf-ai-btn {
    display: inline-block;
    font-family: 'Roboto', sans-serif;
    font-size: 1rem;
    font-weight: 500;
    padding: 15px 35px;
    border-radius: 25px;
    text-decoration: none;
    transition: all 0.3s ease-out;
    border: none;
    cursor: pointer;
    margin: 0 10px 10px 0;
}

.pf-ai-btn-primary {
    background: #ef7c00;
    color: #ffffff;
    box-shadow: 0 4px 15px rgba(239, 124, 0, 0.4);
}

.pf-ai-btn-primary:hover {
    background: #d96e00;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(239, 124, 0, 0.5);
    color: #ffffff;
    text-decoration: none;
}

.pf-ai-btn-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.pf-ai-btn-secondary:hover {
    background: #ffffff;
    color: #432b2d;
    border-color: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

/* Responsive */
@media (max-width: 1199px) {
    .pf-ai-title {
        font-size: 3rem;
    }
    .pf-ai-section-title {
        font-size: 2rem;
    }
}

@media (max-width: 991px) {
    .pf-ai-hero {
        padding: 80px 0 60px;
    }
    .pf-ai-title {
        font-size: 2.5rem;
    }
    .pf-ai-subtitle {
        font-size: 1.25rem;
    }
    .pf-ai-shape {
        opacity: 0.05;
    }
    .pf-ai-solution-card {
        margin-bottom: 20px;
    }
}

@media (max-width: 767px) {
    .pf-ai-section {
        padding: 50px 0;
    }
    .pf-ai-title {
        font-size: 2rem;
    }
    .pf-ai-cta-title {
        font-size: 1.75rem;
    }
    .pf-ai-challenge-box {
        padding: 25px;
    }
    .pf-ai-color-swatch {
        height: 150px;
        margin-bottom: 20px;
    }
    .pf-ai-btn {
        display: block;
        width: 100%;
        margin: 0 0 15px 0;
        text-align: center;
    }
}

@media (max-width: 575px) {
    .pf-ai-year {
        font-size: 0.8rem;
        padding: 6px 15px;
    }
    .pf-ai-section-title {
        font-size: 1.5rem;
    }
    .pf-ai-intro-text {
        font-size: 1.1rem;
    }
    .pf-ai-tag-list {
        gap: 8px;
    }
    .pf-ai-tag-list li a {
        font-size: 0.85rem;
        padding: 6px 15px;
    }
}