/* style.css */
:root {
    /* Colors - Sparo Theme (Dark with Amber/Orange accents from JSON) */
    --bg-dark: #000000;
    --bg-darker: #000000;
    --accent-color: #FFA260;
    --accent-hover: #ffb580;
    --accent-glow: rgba(255, 162, 96, 0.25);
    
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-muted: #666666;
    
    /* Glassmorphism */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-hover: rgba(255, 255, 255, 0.07);
    
    /* Typography */
    --font-sans: 'Satoshi', sans-serif;
    --font-serif: 'Instrument Serif', serif;
    
    /* Geometry */
    --radius-pill: 100px;
    --radius-card: 24px;
    
    /* Spacing */
    --container-width: 1200px;
    --section-pad: 120px;
}

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

body {
    font-family: var(--font-sans);
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

html {
    scroll-behavior: smooth;
}

/* Background Effects */
.bg-glow {
    position: fixed;
    top: -20vh;
    left: 50%;
    transform: translateX(-50%);
    width: 80vw;
    height: 80vh;
    background: radial-gradient(circle, var(--accent-glow) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
    z-index: -1;
    filter: blur(80px);
}

.bg-shape {
    position: fixed;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,162,96,0.1) 0%, rgba(0,0,0,0) 70%);
    pointer-events: none;
    z-index: -1;
    filter: blur(60px);
}

.shape-1 {
    width: 500px;
    height: 500px;
    top: 20%;
    right: -100px;
}

.shape-2 {
    width: 600px;
    height: 600px;
    bottom: -100px;
    left: -200px;
}

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    position: relative;
    z-index: 10;
}

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

.italic {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    line-height: 1.1;
}

.section-title {
    font-size: 4rem;
    font-weight: 500;
    letter-spacing: -0.02em;
    margin-bottom: 1.5rem;
    font-family: var(--font-serif);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin-bottom: 3.5rem;
}

/* Buttons */
.btn-primary, .btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--radius-pill);
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background-color: var(--accent-color);
    color: #000;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px var(--accent-glow);
}

.btn-glow {
    position: relative;
    overflow: hidden;
}

.btn-glow::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    transform: rotate(45deg) translateX(-100%);
    animation: button-shine 3s infinite;
}

.btn-secondary {
    background-color: rgba(255,255,255,0.05);
    color: var(--text-primary);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background-color: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.2);
    transform: translateY(-3px);
}

.btn-primary.large, .btn-secondary.large {
    padding: 16px 40px;
    font-size: 1.1rem;
}

/* Glass Cards & Interactivity */
.glass-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: var(--radius-card);
    padding: 32px;
    position: relative;
    overflow: hidden;
}

.interactive-card {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.4s ease, box-shadow 0.4s ease;
}

.interactive-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 162, 96, 0.3);
    box-shadow: 0 15px 35px rgba(0,0,0,0.4), 0 0 20px rgba(255, 162, 96, 0.05);
}

.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(255, 162, 96, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
    z-index: -1;
}

.interactive-card:hover .card-glow {
    opacity: 1;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    padding: 20px 0;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: padding 0.3s ease;
}

.navbar.scrolled {
    padding: 12px 0;
}

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

.logo-text {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    font-family: var(--font-sans);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 36px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: color 0.2s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--text-primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -4px;
    left: 0;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.mobile-menu-btn span {
    display: block;
    width: 26px;
    height: 2px;
    background-color: var(--text-primary);
    transition: 0.3s ease;
}

/* Hero Section */
.hero {
    padding-top: 200px;
    padding-bottom: var(--section-pad);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(255, 162, 96, 0.1);
    color: var(--accent-color);
    border-radius: var(--radius-pill);
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 32px;
    border: 1px solid var(--accent-glow);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-title {
    font-size: 5.5rem;
    font-weight: 500;
    letter-spacing: -0.03em;
    max-width: 1000px;
    margin: 0 auto 32px;
    font-family: var(--font-serif);
}

.hero-subtitle {
    font-size: 1.35rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin: 0 auto 48px;
    font-weight: 400;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
}

/* Marquee Section */
.marquee-section {
    padding: 30px 0;
    background: rgba(255,255,255,0.02);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    overflow: hidden;
}

.marquee {
    width: 100%;
    white-space: nowrap;
    overflow: hidden;
}

.marquee-content {
    display: inline-block;
    animation: marquee 30s linear infinite;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.marquee-content span.dot {
    color: var(--accent-color);
    margin: 0 30px;
}

/* Metrics Section */
.metrics-section {
    padding: var(--section-pad) 0;
}

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

.metric-card {
    text-align: center;
    padding: 48px 24px;
    background: linear-gradient(180deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
}

.metric-value {
    font-size: 4.5rem;
    font-weight: 400;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-family: var(--font-serif);
    line-height: 1;
}

.metric-label {
    color: var(--accent-color);
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Method Section */
.method-section {
    padding: var(--section-pad) 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 24px;
    width: 70px;
    height: 70px;
    background: rgba(255, 162, 96, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 162, 96, 0.2);
}

.service-title {
    font-size: 1.5rem;
    font-weight: 500;
    margin-bottom: 16px;
    font-family: var(--font-serif);
}

.service-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Why Us Section */
.why-us {
    padding: var(--section-pad) 0;
}

.highlight-card {
    padding: 100px 60px;
    text-align: center;
    border: 1px solid rgba(255, 162, 96, 0.3);
}

.bg-anim {
    background: radial-gradient(circle at 50% 50%, rgba(255,162,96,0.15) 0%, var(--glass-bg) 70%);
    background-size: 200% 200%;
    animation: gradient-shift 10s ease infinite;
}

.highlight-text {
    font-size: 1.35rem;
    color: var(--text-secondary);
    max-width: 800px;
    margin: 0 auto 48px;
    line-height: 1.8;
}

/* Cases Section */
.cases-section {
    padding: var(--section-pad) 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.case-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 60px 50px;
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.01) 100%);
}

.case-category {
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 32px;
}

.case-metric {
    font-size: 1.2rem;
    margin-bottom: 12px;
    font-weight: 500;
}

.case-value {
    font-size: 5rem;
    font-weight: 400;
    font-family: var(--font-serif);
    line-height: 1;
}

/* Contact Section */
.contact-section {
    padding: var(--section-pad) 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.contact-methods {
    margin-top: 48px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.method {
    padding: 24px 32px;
}

.method-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.method-value {
    font-size: 1.5rem;
    font-weight: 500;
    text-decoration: none;
    transition: opacity 0.2s ease;
    font-family: var(--font-sans);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 18px 20px;
    background: rgba(0,0,0,0.6);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 1.05rem;
    transition: all 0.3s ease;
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 15px rgba(255, 162, 96, 0.1);
    background: rgba(0,0,0,0.8);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.submit-btn {
    width: 100%;
    padding: 20px;
    font-size: 1.2rem;
    margin-top: 10px;
}

/* Footer */
footer {
    background: var(--bg-darker);
    padding: 100px 0 40px;
    border-top: 1px solid var(--glass-border);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 80px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 20px;
    max-width: 300px;
    font-size: 1.05rem;
}

.link-group h4 {
    margin-bottom: 24px;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.link-group a {
    display: block;
    color: var(--text-secondary);
    text-decoration: none;
    margin-bottom: 16px;
    transition: color 0.2s ease;
    font-size: 1rem;
}

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

.footer-bottom {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.95rem;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
}

/* Animations */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.floating {
    animation: floating 3s ease-in-out infinite;
}

.floating-delay-1 { animation: floating 4s ease-in-out infinite 0.2s; }
.floating-delay-2 { animation: floating 4s ease-in-out infinite 0.4s; }
.floating-delay-3 { animation: floating 4s ease-in-out infinite 0.6s; }
.floating-delay-4 { animation: floating 4s ease-in-out infinite 0.8s; }

.pulse {
    animation: pulse-border 2s infinite;
}

@keyframes floating {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
    100% { transform: translateY(0px); }
}

@keyframes button-shine {
    0% { transform: rotate(45deg) translateX(-100%); }
    20% { transform: rotate(45deg) translateX(100%); }
    100% { transform: rotate(45deg) translateX(100%); }
}

@keyframes pulse-border {
    0% { box-shadow: 0 0 0 0 rgba(255, 162, 96, 0.4); }
    70% { box-shadow: 0 0 0 15px rgba(255, 162, 96, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 162, 96, 0); }
}

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

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

/* Video Showcase Section */
.video-flow-arrow {
    animation: arrow-pulse 2s ease-in-out infinite;
}

@keyframes arrow-pulse {
    0%, 100% { opacity: 0.6; transform: translateX(0); }
    50% { opacity: 1; transform: translateX(6px); }
}

/* On mobile, the arrow is rotated so we pulse Y instead */
@media (max-width: 768px) {
    .video-flow-arrow {
        animation: arrow-pulse-vertical 2s ease-in-out infinite;
    }
    @keyframes arrow-pulse-vertical {
        0%, 100% { opacity: 0.6; transform: translateY(0); }
        50% { opacity: 1; transform: translateY(6px); }
    }
}

#demo-video .group:hover .absolute.-inset-1 {
    opacity: 1;
}

/* Demo Video Responsive Typography */
#demo-video h2 {
    font-size: clamp(2rem, 5vw, 3.5rem);
}

#demo-video p {
    font-size: clamp(1rem, 2vw, 1.125rem);
}

@media (max-width: 768px) {
    #demo-video {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }
    
    #demo-video .relative.rounded-\[24px\] {
        border-radius: 16px;
    }
    
    #demo-video video {
        border-radius: 16px;
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-title { font-size: 4.5rem; }
    .section-title { font-size: 3.5rem; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-container { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-btn { display: none; }
    .mobile-menu-btn { display: flex; }
    
    .hero { padding-top: 150px; }
    .hero-title { font-size: 3rem; }
    .hero-cta { flex-direction: column; }
    
    .section-title { font-size: 2.8rem; }
    
    .cases-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .metrics-grid { grid-template-columns: 1fr; gap: 16px; }
    
    .footer-container { grid-template-columns: 1fr; }
    
    .shape-1, .shape-2 { display: none; }
}

.btn-sparo {
    position: relative;
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 1;
    border-radius: 9999px; /* Fully rounded like Sparo */
}

.btn-sparo::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    border-radius: inherit;
    background: #D4A373;
    filter: blur(20px);
    opacity: 0;
    transition: opacity 0.3s ease, transform 0.3s ease;
    z-index: -1;
    transform: scale(0.9);
}

.btn-sparo:hover {
    transform: scale(1.05);
}

.btn-sparo:hover::before {
    opacity: 0.6;
    transform: scale(1.15);
}