/* Base Variables & Reset */
:root {
    --pf-ai-primary: #0051a1;
    --pf-ai-gold: #be9e53;
    --pf-ai-light-blue: #d0d8e4;
    --pf-ai-agency-orange: #f3541e;
    --pf-ai-agency-cyan: #58b8cb;
    --pf-ai-dark: #2e2e2e;
    --pf-ai-body: #586782;
    --pf-ai-muted: #949c9e;
    --pf-ai-white: #ffffff;
    --pf-ai-bg-light: #eaf6f8;
}

/* Animations */
@keyframes pf-ai-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(2deg); }
}

@keyframes pf-ai-float-reverse {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(20px) rotate(-2deg); }
}

@keyframes pf-ai-pulse-gold {
    0%, 100% { box-shadow: 0 0 0 0 rgba(190, 158, 83, 0.4); }
    50% { box-shadow: 0 0 0 20px rgba(190, 158, 83, 0); }
}

@keyframes pf-ai-data-flow {
    0% { transform: translateX(-100%); opacity: 0; }
    50% { opacity: 1; }
    100% { transform: translateX(100%); opacity: 0; }
}

@keyframes pf-ai-counter {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes pf-ai-node-pulse {
    0%, 100% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 1; }
}

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

/* Hero Section */
.pf-ai-hero {
    position: relative;
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: linear-gradient(135deg, #0051a1 0%, #003d7a 50%, #d0d8e4 100%);
    background-size: 200% 200%;
    animation: pf-ai-gradient-shift 15s ease infinite;
    padding: 120px 0 160px;
    overflow: hidden;
    margin-bottom: 60px;
}

.pf-ai-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(190, 158, 83, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.1) 0%, transparent 40%);
    pointer-events: none;
}

.pf-ai-hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
}

.pf-ai-hero-content {
    position: relative;
    z-index: 2;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
}

.pf-ai-hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--pf-ai-white);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.85rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 30px;
    animation: pf-ai-float 6s ease-in-out infinite;
}

.pf-ai-hero-title {
    color: var(--pf-ai-white);
    font-size: 3.5rem;
    font-weight: 300;
    line-height: 1.2;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.pf-ai-hero-title strong {
    font-weight: 700;
    color: var(--pf-ai-gold);
    position: relative;
    display: inline-block;
}

.pf-ai-hero-title strong::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--pf-ai-gold);
    transform: scaleX(0);
    transform-origin: right;
    animation: expandLine 1s ease-out forwards;
    animation-delay: 0.5s;
}

@keyframes expandLine {
    to { transform: scaleX(1); transform-origin: left; }
}

.pf-ai-hero-subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.25rem;
    max-width: 600px;
    line-height: 1.6;
    font-weight: 300;
}

.pf-ai-hero-stats {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    text-align: right;
}

.pf-ai-stat-item {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    padding: 25px;
    margin-bottom: 20px;
    animation: pf-ai-float-reverse 8s ease-in-out infinite;
}

.pf-ai-stat-number {
    font-family: 'Roboto Mono', monospace;
    font-size: 2.5rem;
    color: var(--pf-ai-gold);
    font-weight: 700;
    display: block;
    line-height: 1;
}

.pf-ai-stat-label {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-top: 5px;
    display: block;
}

.pf-ai-floating-nodes {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    pointer-events: none;
    overflow: hidden;
}

.pf-ai-node {
    position: absolute;
    width: 8px;
    height: 8px;
    background: var(--pf-ai-gold);
    border-radius: 50%;
    animation: pf-ai-node-pulse 3s ease-in-out infinite;
}

.pf-ai-node:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.pf-ai-node:nth-child(2) { top: 60%; left: 5%; animation-delay: 0.5s; }
.pf-ai-node:nth-child(3) { top: 30%; right: 15%; animation-delay: 1s; }
.pf-ai-node:nth-child(4) { bottom: 30%; right: 25%; animation-delay: 1.5s; }

/* Screenshot Section */
.pf-ai-showcase {
    position: relative;
    margin-top: -80px;
    z-index: 10;
    margin-bottom: 80px;
}

.pf-ai-browser-frame {
    background: var(--pf-ai-white);
    border-radius: 10px;
    box-shadow: 0 30px 60px rgba(0, 81, 161, 0.2);
    overflow: hidden;
    position: relative;
    border: 1px solid var(--pf-ai-light-blue);
}

.pf-ai-browser-header {
    background: linear-gradient(to right, #f8f9fa, #e9ecef);
    padding: 15px 20px;
    border-bottom: 1px solid var(--pf-ai-light-blue);
    display: flex;
    align-items: center;
    gap: 8px;
}

.pf-ai-browser-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #dee2e6;
}

.pf-ai-browser-dot:nth-child(1) { background: #ff5f56; }
.pf-ai-browser-dot:nth-child(2) { background: #ffbd2e; }
.pf-ai-browser-dot:nth-child(3) { background: #27c93f; }

.pf-ai-browser-content {
    position: relative;
    background: #f8f9fa;
    min-height: 500px;
}

/* Project Info Section */
.pf-ai-info-section {
    padding: 80px 0;
}

.pf-ai-section-label {
    font-family: 'Roboto Mono', monospace;
    color: var(--pf-ai-agency-cyan);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 15px;
    display: block;
}

.pf-ai-section-title {
    color: var(--pf-ai-dark);
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 30px;
    line-height: 1.3;
}

.pf-ai-section-title span {
    color: var(--pf-ai-primary);
    font-weight: 700;
}

.pf-ai-text-body {
    color: var(--pf-ai-body);
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 20px;
}

/* Migration Visual */
.pf-ai-migration-visual {
    background: linear-gradient(135deg, var(--pf-ai-light-blue) 0%, var(--pf-ai-white) 100%);
    border-radius: 10px;
    padding: 40px;
    position: relative;
    overflow: hidden;
    border: 2px solid var(--pf-ai-light-blue);
}

.pf-ai-migration-track {
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    margin: 30px 0;
}

.pf-ai-platform {
    text-align: center;
    z-index: 2;
}

.pf-ai-platform-icon {
    width: 80px;
    height: 80px;
    background: var(--pf-ai-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Roboto Mono', monospace;
    font-weight: 700;
    color: var(--pf-ai-primary);
    box-shadow: 0 5px 20px rgba(0, 81, 161, 0.15);
    margin: 0 auto 10px;
    border: 3px solid var(--pf-ai-gold);
    position: relative;
}

.pf-ai-platform-label {
    font-size: 0.9rem;
    color: var(--pf-ai-muted);
    font-weight: 500;
}

.pf-ai-migration-arrow {
    flex: 1;
    height: 2px;
    background: linear-gradient(90deg, var(--pf-ai-light-blue), var(--pf-ai-gold), var(--pf-ai-light-blue));
    margin: 0 20px;
    position: relative;
    overflow: hidden;
}

.pf-ai-migration-arrow::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 30%;
    height: 100%;
    background: var(--pf-ai-gold);
    animation: pf-ai-data-flow 2s linear infinite;
}

.pf-ai-migration-count {
    position: absolute;
    top: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--pf-ai-primary);
    color: var(--pf-ai-white);
    padding: 8px 16px;
    border-radius: 6px;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9rem;
    white-space: nowrap;
    animation: pf-ai-pulse-gold 2s infinite;
}

/* Color Palette */
.pf-ai-colors-section {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: var(--pf-ai-dark);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
}

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

.pf-ai-color-card {
    height: 200px;
    border-radius: 6px;
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.5s ease-out;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.pf-ai-color-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

.pf-ai-color-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.pf-ai-color-card:hover::before {
    left: 100%;
}

.pf-ai-color-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(10px);
    padding: 15px;
    transform: translateY(100%);
    transition: transform 0.3s ease-out;
}

.pf-ai-color-card:hover .pf-ai-color-info {
    transform: translateY(0);
}

.pf-ai-color-name {
    color: var(--pf-ai-white);
    font-weight: 500;
    margin: 0;
}

.pf-ai-color-hex {
    font-family: 'Roboto Mono', monospace;
    color: var(--pf-ai-gold);
    font-size: 0.9rem;
    margin: 5px 0 0;
}

.pf-ai-color-blue { background: #0051a1; }
.pf-ai-color-gold { background: #be9e53; }
.pf-ai-color-light { background: #d0d8e4; }

/* Features Section */
.pf-ai-features {
    padding: 100px 0;
    background: var(--pf-ai-white);
}

.pf-ai-feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.pf-ai-feature-card {
    background: var(--pf-ai-white);
    border: 1px solid var(--pf-ai-light-blue);
    border-radius: 6px;
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s ease-out;
    box-shadow: 0 2px 15px rgba(88, 184, 203, 0.1);
}

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

.pf-ai-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(88, 184, 203, 0.2);
    border-color: var(--pf-ai-gold);
}

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

.pf-ai-feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--pf-ai-light-blue), var(--pf-ai-white));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--pf-ai-primary);
    border: 2px solid var(--pf-ai-gold);
    transition: all 0.3s ease-out;
}

.pf-ai-feature-card:hover .pf-ai-feature-icon {
    background: var(--pf-ai-primary);
    color: var(--pf-ai-white);
    transform: rotate(360deg);
}

.pf-ai-feature-title {
    color: var(--pf-ai-dark);
    font-size: 1.25rem;
    margin-bottom: 15px;
    font-weight: 500;
}

.pf-ai-feature-text {
    color: var(--pf-ai-body);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Tags Section */
.pf-ai-tags-section {
    padding: 60px 0;
    background: var(--pf-ai-bg-light);
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
}

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

.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 a {
    display: inline-block;
    padding: 8px 20px;
    background: var(--pf-ai-white);
    border: 1px solid var(--pf-ai-light-blue);
    border-radius: 25px;
    color: var(--pf-ai-body);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease-out;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.pf-ai-tag-list a:hover {
    background: var(--pf-ai-primary);
    color: var(--pf-ai-white);
    border-color: var(--pf-ai-primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 81, 161, 0.2);
}

/* Taxonomy Group Styling */
.pf-ai-taxonomy-group {
    margin-bottom: 30px;
}

.pf-ai-taxonomy-group h4 {
    font-family: 'Roboto Mono', monospace;
    color: var(--pf-ai-primary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 15px;
    border-left: 3px solid var(--pf-ai-gold);
    padding-left: 10px;
}

/* CTA Section */
.pf-ai-cta {
    margin-left: calc(-50vw + 50%);
    margin-right: calc(-50vw + 50%);
    width: 100vw;
    background: linear-gradient(135deg, var(--pf-ai-primary) 0%, #003d7a 100%);
    padding: 100px 0;
    position: relative;
    overflow: hidden;
    text-align: center;
}

.pf-ai-cta::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(190, 158, 83, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    opacity: 0.5;
    animation: pf-ai-float 20s ease-in-out infinite;
}

.pf-ai-cta-content {
    position: relative;
    z-index: 2;
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 15px;
}

.pf-ai-cta-title {
    color: var(--pf-ai-white);
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 20px;
}

.pf-ai-cta-title strong {
    color: var(--pf-ai-gold);
    font-weight: 700;
}

.pf-ai-cta-text {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.6;
}

.pf-ai-button-group {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.pf-ai-btn {
    display: inline-flex;
    align-items: center;
    padding: 15px 35px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease-out;
    border: 2px solid transparent;
    cursor: pointer;
    font-size: 1rem;
}

.pf-ai-btn-primary {
    background: var(--pf-ai-gold);
    color: var(--pf-ai-dark);
    border-color: var(--pf-ai-gold);
    box-shadow: 0 10px 30px rgba(190, 158, 83, 0.3);
}

.pf-ai-btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(190, 158, 83, 0.4);
    background: #d4b366;
    text-decoration: none;
    color: var(--pf-ai-dark);
}

.pf-ai-btn-secondary {
    background: transparent;
    color: var(--pf-ai-white);
    border-color: rgba(255, 255, 255, 0.5);
}

.pf-ai-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--pf-ai-white);
    transform: translateY(-3px);
    text-decoration: none;
    color: var(--pf-ai-white);
}

/* Responsive */
@media (max-width: 1199px) {
    .pf-ai-hero-title { font-size: 3rem; }
    .pf-ai-hero-stats { position: relative; right: auto; top: auto; transform: none; margin-top: 40px; text-align: left; }
    .pf-ai-stat-item { display: inline-block; margin-right: 20px; }
}

@media (max-width: 991px) {
    .pf-ai-hero { padding: 80px 0 120px; }
    .pf-ai-hero-title { font-size: 2.5rem; }
    .pf-ai-section-title { font-size: 2rem; }
    .pf-ai-migration-track { flex-direction: column; gap: 30px; }
    .pf-ai-migration-arrow { width: 2px; height: 60px; margin: 10px 0; background: linear-gradient(180deg, var(--pf-ai-light-blue), var(--pf-ai-gold), var(--pf-ai-light-blue)); }
    .pf-ai-migration-arrow::after { animation: none; }
}

@media (max-width: 767px) {
    .pf-ai-hero-title { font-size: 2rem; }
    .pf-ai-hero-subtitle { font-size: 1.1rem; }
    .pf-ai-section-title { font-size: 1.75rem; }
    .pf-ai-cta-title { font-size: 1.75rem; }
    .pf-ai-feature-grid { grid-template-columns: 1fr; }
    .pf-ai-color-card { height: 150px; }
}

@media (max-width: 575px) {
    .pf-ai-hero { padding: 60px 0 100px; }
    .pf-ai-hero-title { font-size: 1.75rem; }
    .pf-ai-stat-item { display: block; margin-right: 0; text-align: center; }
    .pf-ai-stat-number { font-size: 2rem; }
    .pf-ai-btn { width: 100%; justify-content: center; }
}