@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;900&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
    /* Primary Palette (SaaS Core) */
    --bg: #0F0F0F;
    --white: #FFFFFF;
    --grey: #F2F2F2;
    --text: var(--white);
    --text-dim: rgba(255, 255, 255, 0.6);
    
    /* Module Accents */
    --accent-bhv: #00E5FF; /* Electric Cyan */
    --accent-nex: #FF0055; /* Vibrant Magenta */
    --accent-prd: #8A2BE2; /* Cognitive Violet */
    --accent-res: #00D084; /* Emerald Green */
    
    /* UI Elements */
    --border: rgba(255, 255, 255, 0.1);
    --panel: rgba(255, 255, 255, 0.03);
    --glass: rgba(15, 15, 15, 0.85);
    
    /* Radius System (Organic Perception) */
    --radius-sm: 12px;
    --radius-md: 24px;
    --radius-lg: 48px;
    --radius-pill: 100px;
    
    /* Typography */
    --font-sans: 'Outfit', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Background Noise/Texture */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.05;
    pointer-events: none;
    z-index: 9999;
}

/* Layout */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4rem;
}

@media (max-width: 768px) {
    .container { padding: 0 1.5rem; }
}

/* Typography & Titles */
h1, h2, h3, h4 {
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
}

@keyframes dentsuGradualFill {
    0%, 10% { background-position: 100% 0; color: transparent; -webkit-text-stroke: 1.5px var(--white); filter: drop-shadow(0 0 0px transparent); }
    30%, 80% { background-position: 0% 0; color: var(--white); -webkit-text-stroke: 1.5px transparent; filter: drop-shadow(0 0 30px #6585E8); }
    90%, 100% { background-position: 100% 0; color: transparent; -webkit-text-stroke: 1.5px var(--white); filter: drop-shadow(0 0 0px transparent); }
}

.dentsu-title {
    font-size: clamp(3rem, 10vw, 7rem);
    line-height: 0.85;
    background: linear-gradient(to right, var(--white) 50%, transparent 50%);
    background-size: 200% 100%;
    background-position: 100% 0;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-stroke: 1.5px var(--white);
    color: transparent;
    animation: dentsuGradualFill 10s infinite cubic-bezier(0.65, 0, 0.35, 1);
    cursor: default;
    transition: filter 0.5s ease;
}

/* Hover override for manual interaction */
.dentsu-title:hover {
    color: var(--white);
    -webkit-text-stroke: 1.5px transparent;
    background: none;
    -webkit-background-clip: unset;
    animation: none;
}

.mono {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
}

.prefix {
    font-family: var(--font-mono);
    font-weight: 700;
    padding: 2px 8px;
    border: 1px solid currentColor;
    font-size: 0.7rem;
    display: inline-block;
    margin-right: 8px;
    border-radius: var(--radius-sm);
}

/* Module Classes */
.mod-bhv { color: var(--accent-bhv); }
.mod-nex { color: var(--accent-nex); }
.mod-prd { color: var(--accent-prd); }
.mod-res { color: var(--accent-res); }

/* Header */
header {
    height: 100px;
    display: flex;
    align-items: center;
    position: fixed;
    top: 0; left: 0; width: 100%;
    z-index: 1000;
    background: var(--glass);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--white);
    text-decoration: none;
    letter-spacing: -1px;
}

.logo img {
    height: 32px;
    width: auto;
}

.logo-dot {
    width: 5px;
    height: 5px;
    background: var(--accent-bhv);
    border-radius: 50%;
    margin: 0 2px;
    display: inline-block;
    vertical-align: middle;
}

.logo span {
    color: var(--text-dim);
    font-weight: 300;
}

nav {
    display: flex;
    gap: 3rem;
    margin-left: 4rem;
}

nav a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    transition: 0.3s;
}

nav a:hover, nav a.active {
    color: var(--white);
}

.cta-header {
    margin-left: auto;
    display: flex;
    gap: 1.5rem;
}

/* Buttons */
.btn {
    padding: 1rem 2.5rem;
    font-weight: 900;
    text-transform: uppercase;
    font-size: 0.85rem;
    border-radius: var(--radius-pill);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    text-decoration: none;
    border: 1px solid var(--white);
}

.btn-solid {
    background: var(--white);
    color: var(--bg);
}

.btn-solid:hover {
    background: transparent;
    color: var(--white);
}

.btn-outline {
    background: transparent;
    color: var(--white);
}

.btn-outline:hover {
    background: var(--white);
    color: var(--bg);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding-top: 100px;
}

.hero-content {
    max-width: 1000px;
}

.hero p {
    font-size: 1.4rem;
    color: var(--text-dim);
    max-width: 600px;
    margin: 2rem 0 3rem;
    font-weight: 300;
}

/* Floating Blocks & Depth */
@keyframes floatMovement {
    0% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(15px, -20px) rotate(1deg); }
    66% { transform: translate(-10px, -10px) rotate(-0.5deg); }
    100% { transform: translate(0, 0) rotate(0deg); }
}

.floating-wrapper {
    position: relative;
    padding: 2rem;
}

.block-glow {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 90%; height: 80%;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    z-index: 0;
    pointer-events: none;
}

.floating-block {
    position: relative;
    z-index: 1;
    animation: floatMovement 8s ease-in-out infinite;
}

.float-stagger-1 { animation-delay: 0s; }
.float-stagger-2 { animation-delay: -2s; }
.float-stagger-3 { animation-delay: -4s; }
.float-stagger-4 { animation-delay: -6s; }

.bento-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2rem;
    position: relative;
    margin: 4rem 0;
}

.bento-item {
    background: var(--bg);
    padding: 3rem;
    position: relative;
    transition: 0.3s;
    border-radius: var(--radius-md);
}

.bento-item:hover {
    background: rgba(255,255,255,0.02);
}

/* Blog Cards */
.post-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.post-card img {
    width: 100%;
    aspect-ratio: 16/10;
    object-fit: cover;
    filter: grayscale(1);
    transition: 0.5s;
    border-radius: var(--radius-md);
}

.post-card:hover img {
    filter: grayscale(0);
}

.post-card h3 {
    font-size: 1.8rem;
    line-height: 1.1;
}

/* Footer */
footer {
    padding: 8rem 0 4rem;
    border-top: 1px solid var(--border);
}

.footer-main {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4rem;
}

.footer-col h4 {
    font-size: 0.75rem;
    color: var(--text-dim);
    margin-bottom: 2rem;
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: 1rem;
}

.footer-col a {
    color: var(--white);
    text-decoration: none;
    font-size: 0.9rem;
    transition: opacity 0.3s;
}

.footer-col a:hover {
    opacity: 0.6;
}

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

.reveal {
    animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}