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

/* Color Palette & CSS Variables */
:root {
  /* Day Mode (Light) */
  --bg-color: #F8F9FA;
  --blob1: rgba(212, 175, 55, 0.12); /* Gold Aura */
  --blob2: rgba(212, 175, 55, 0.08); /* Secondary Gold Aura */
  --text-color: #030303;
  --accent-color: #D4AF37; /* Masterbrand Gold */
  --card-bg: rgba(255, 255, 255, 0.1); /* Crystal Clear Base */
  --card-border: rgba(212, 175, 55, 0.15);
  --card-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
  --nav-bg: rgba(255, 255, 255, 0.15);
  --border-glow: transparent;
  --spiral-color: #D4AF37;
  --glow-intensity: box-shadow: none;
}

[data-theme="dark"] {
  /* Elite Mode (Dark) */
  --bg-color: #030303;
  --blob1: rgba(212, 175, 55, 0.15); /* Gold Aura */
  --blob2: rgba(212, 175, 55, 0.05);
  --text-color: #FFFFFF;
  --accent-color: #D4AF37; 
  --card-bg: rgba(0, 0, 0, 0.1); /* Crystal Obsidian Void */
  --card-border: rgba(255, 255, 255, 0.08);
  --card-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  --nav-bg: rgba(0, 0, 0, 0.15);
  --border-glow: rgba(212, 175, 55, 0.3);
  --spiral-color: #D4AF37;
  --glow-intensity: drop-shadow(0 0 12px rgba(212,175,55,0.8));
}

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

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-color);
    /* Sovereign PHIX Monogram (Purified Void) */
    background-image: url("data:image/svg+xml,%3Csvg width='160' height='160' viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23D4AF37' fill-opacity='0.1'%3E%3Ctext x='20' y='60' font-family='serif' font-weight='800' font-size='28'%3EΦ%3C/text%3E%3Ctext x='100' y='140' font-family='serif' font-weight='800' font-size='28'%3EX%3C/text%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    background-attachment: fixed;
    animation: monogram-drift 60s linear infinite;
    color: var(--text-color);
    transition: background-color 0.5s ease, color 0.3s ease;
    overflow-x: hidden;
}

@keyframes monogram-drift {
    from { background-position: 0 0; }
    to { background-position: 160px 160px; }
}

/* Light Mode Monogram Contrast Offset */
[data-theme="light"] body {
    background-image: url("data:image/svg+xml,%3Csvg width='160' height='160' viewBox='0 0 160 160' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23A67C00' fill-opacity='0.12'%3E%3Ctext x='20' y='60' font-family='serif' font-weight='800' font-size='28'%3EΦ%3C/text%3E%3Ctext x='100' y='140' font-family='serif' font-weight='800' font-size='28'%3EX%3C/text%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

/* HeroGeometric Atmos is current Zenith Background */

/* Typography */
h1, h2, h3 { font-weight: 700; letter-spacing: -0.02em; }
.accent { color: var(--accent-color); transition: color 0.5s ease; }
.text-gold { color: var(--accent-color) !important; }
.text-white { color: #FFFFFF !important; }
.font-bold { font-weight: 700; }
.text-xl { font-size: 1.5rem; }

/* The Soft Edge / Squircle */
.squircle {
    border-radius: 40px; /* Fully rounded as requested */
}

/* Sovereign Crystal-10 Architecture (Absolute Transparency) */
.glass-nav, .glass-card {
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.02)); 
    backdrop-filter: blur(4px) saturate(200%); /* Minimalist Crystalline Distortion */
    -webkit-backdrop-filter: blur(4px) saturate(200%);
    border: 1px solid var(--card-border);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .glass-nav,
[data-theme="dark"] .glass-card {
    background: rgba(0, 0, 0, 0.1); /* 10% Pure Void */
    box-shadow: 
        inset 0 1px 1px rgba(255, 255, 255, 0.2), /* Specular Glint */
        0 10px 40px rgba(0, 0, 0, 0.5);
}

[data-theme="light"] .glass-nav,
[data-theme="light"] .glass-card {
    background: rgba(255, 255, 255, 0.06); /* 6-10% Crystalline Porcelain */
    box-shadow: 
        inset 0 1px 1px rgba(255, 255, 255, 0.9), /* Brilliant Mirror-Edge */
        0 8px 32px rgba(0, 0, 0, 0.03); /* Vapor-Soft Shadow */
}


.glass-nav {
    position: sticky;
    top: 20px;
    margin: 20px auto 40px auto;
    width: 95%;
    max-width: 1400px;
    height: 75px; /* Shrunk for tighter logo-proximity */
    display: flex;
    justify-content: stretch;
    align-items: center;
    padding: 0;
    z-index: 1500;
}

.nav-left, .nav-center, .nav-right {
    flex: 1 1 0; /* Forced absolute equal thirds */
    display: flex;
    align-items: center;
}

.nav-left { justify-content: flex-start; padding-left: 2rem; }
.nav-center {
    flex-direction: column;
    justify-content: center;
    gap: 0.1rem;
    text-align: center;
}
.nav-right { justify-content: flex-end; padding-right: 2rem; }

.phi-x-logo {
    font-size: 2.2rem; /* Magnified Brand Symbol */
    font-weight: 800;
    font-family: serif; 
    letter-spacing: -2px;
    line-height: 1; /* Purged vertical gutter */
    transition: color 0.5s ease;
}

h1, h2, h3, h4 {
    font-family: serif; 
    font-weight: 800;
}

[data-theme="light"] .phi-x-logo { color: #000; }
[data-theme="dark"] .phi-x-logo { color: var(--accent-color); }

.site-name {
    font-size: 0.85rem; /* Magnified Brand Text */
    font-weight: 800;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    white-space: nowrap;
    line-height: 1; /* Purged vertical gutter */
    transition: color 0.5s ease;
}

[data-theme="light"] .site-name { color: #000; }
[data-theme="dark"] .site-name { color: var(--accent-color); }

.micro-links {
    display: flex;
    gap: 1rem; /* Tightened gap for 3-link wing density */
}

.micro-links a {
    color: var(--accent-color); /* Sovereign Gold Zenith */
    text-decoration: none;
    font-weight: 700;
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: all 0.3s ease;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Kinetic Underline Protocol - Repositioned for Symmetry */
.micro-links a::after {
    content: '';
    position: absolute;
    bottom: -6px; /* Absolute Centering Anchor */
    left: 0;
    width: 100%;
    height: 1px;
    background: var(--accent-color);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1);
}

.micro-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav-links a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.btn-premium-cta {
    display: inline-flex;
    position: relative;
    align-items: center;
    justify-content: flex-start;
    height: 58px;
    padding: 4px 64px 4px 32px;
    border-radius: 9999px;
    font-size: 0.9rem;
    font-weight: 800;
    cursor: pointer;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    text-decoration: none;
    width: fit-content;
    border: none;
    background: var(--accent-color);
    color: #000;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.btn-premium-cta .btn-text {
    position: relative;
    z-index: 10;
}

.btn-premium-cta .btn-icon-circle {
    position: absolute;
    left: calc(100% - 49px);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #000;
    color: var(--accent-color);
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    z-index: 20;
}

.btn-premium-cta:hover {
    padding-left: 64px;
    padding-right: 32px;
    transform: translateY(-2px);
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.2);
}

.btn-premium-cta:hover .btn-icon-circle {
    left: 5px;
}

.btn-premium-cta svg {
    width: 20px;
    height: 20px;
    stroke-width: 3;
}

.btn-premium-cta .btn-text {
    position: relative;
    z-index: 10;
    transition: all 0.6s ease;
}

.btn-premium-cta .btn-icon-circle {
    position: absolute;
    left: calc(100% - 49px);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    z-index: 20;
}

.btn-premium-cta:hover .btn-icon-circle {
    left: 5px;
    transform: rotate(45deg);
}

.btn-premium-cta svg {
    width: 20px;
    height: 20px;
    stroke-width: 3;
}

/* Base styles cleanup */
nav {
    display: none; /* Superseded by .glass-nav Architecture */
}

.hero-logo-vignette {
    font-size: 12rem;
    font-weight: 800;
    letter-spacing: -8px;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    animation: floating-logo 6s ease-in-out infinite;
}

[data-theme="light"] .hero-logo-vignette {
    color: #1a1a1a;
    text-shadow: 2px 2px 0px rgba(0,0,0,0.1), 10px 10px 40px rgba(0,0,0,0.05);
}

[data-theme="dark"] .hero-logo-vignette {
    color: var(--accent-color);
    text-shadow: 0 0 30px rgba(212,175,55,0.4), 0 0 60px rgba(212,175,55,0.2);
}

@keyframes floating-logo {
    0%, 100% { transform: translateY(0) rotate(0); }
    50% { transform: translateY(-15px) rotate(1deg); }
}

.hero-visual {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.footer-logo {
    height: 35px;
    width: auto;
    object-fit: contain;
    margin-bottom: 2rem;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 2.5rem;
    font-weight: 500;
    transition: color 0.3s, opacity 0.3s;
    font-size: 0.95rem;
}
.nav-links a:hover { color: var(--accent-color); }

/* Theme Toggle Button */
/* Premium Theme Toggle Pill */
.theme-toggle-pill {
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 2000;
    width: 64px;
    height: 32px;
    padding: 4px;
    border-radius: 9999px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    overflow: hidden;
}

[data-theme="light"] .theme-toggle-pill {
    background: #ffffff;
    border: 1px solid #e5e7eb;
}

[data-theme="dark"] .theme-toggle-pill {
    background: #09090b;
    border: 1px solid #27272a;
}

.toggle-track {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    position: relative;
}

.toggle-circle {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 2;
}

[data-theme="light"] .toggle-circle {
    transform: translateX(32px);
    background: #e5e7eb; /* gray-200 */
}

[data-theme="dark"] .toggle-circle {
    transform: translateX(0);
    background: #27272a; /* zinc-800 */
}

.toggle-static {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    transition: all 0.4s ease;
}

[data-theme="light"] .toggle-static { transform: translateX(-32px); }
[data-theme="dark"] .toggle-static { transform: translateX(0); }

.theme-toggle-pill svg {
    width: 16px;
    height: 16px;
    stroke-width: 1.5;
}

/* Icon visibility logic */
[data-theme="light"] .moon-icon, 
[data-theme="dark"] .sun-icon,
[data-theme="light"] .sun-icon-static,
[data-theme="dark"] .moon-icon-static { display: none; }

[data-theme="light"] .moon-icon-static { display: block; color: #000; }
[data-theme="dark"] .sun-icon-static { display: block; color: #71717a; }
[data-theme="light"] .sun-icon { color: #374151; }
[data-theme="dark"] .moon-icon { color: #fff; }

/* Ripple effect overlay */
.theme-ripple {
    position: fixed;
    border-radius: 50%;
    background: #0B0B0B;
    pointer-events: none;
    transform: scale(0);
    z-index: 1; /* Below content but above background */
    transition: transform 0.8s cubic-bezier(0.65, 0, 0.35, 1);
}

/* Sections */
section {
    padding: 100px 5% 60px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 10;
}

/* Hero Section */
.hero { display: flex; flex-direction: row; gap: 4rem; max-width: 100%; margin: 0 auto; justify-content: space-between; align-items: center; width: 100%; min-height: calc(100vh - 155px); padding-top: 40px; }
.hero-content { flex: 1; display: flex; flex-direction: column; align-items: flex-start; }
.hero-content h1 { font-size: 4.5rem; line-height: 1.1; margin-bottom: 1.5rem; }
.hero-content p { font-size: 1.25rem; opacity: 0.8; margin-bottom: 2rem; max-width: 80%; }

.cta-btn {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
    font-weight: 600;
    background: var(--text-color);
    color: var(--bg-color);
    border: none;
    cursor: pointer;
    transition: transform 0.2s, background 0.3s;
    font-family: inherit;
}

.hero-visual {
    flex: 1;
    min-height: 400px;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}
/* Inherits .glass-card for 10% transparency */

.phi-placeholder {
    font-size: 6rem;
    color: var(--accent-color);
    opacity: 0.7;
    animation: float 4s ease-in-out infinite;
    font-family: serif;
    filter: drop-shadow(0 4px 12px rgba(0,0,0,0.1));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* Skeleton Shimmer */
.skeleton-shimmer {
    position: relative;
    overflow: hidden;
}
.skeleton-shimmer::after {
    content: "";
    position: absolute;
    top: 0; left: -100%; width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
    animation: shimmer 2.5s infinite;
}
@keyframes shimmer {
    100% { left: 200%; }
}

/* Golden Spiral Area */
.spiral-container {
    width: 100%;
    height: 100%;
    min-height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
}
.spiral-path {
    stroke: var(--spiral-color);
    stroke-dasharray: 2000;
    stroke-dashoffset: 2000;
    transition: stroke 0.5s ease, filter 0.5s ease;
}
[data-theme="dark"] .spiral-path {
    filter: drop-shadow(0 0 10px rgba(255,255,255,0.6));
}

/* Ecosystem 3D Cloud */
.ecosystem-section { 
    text-align: left; 
    overflow: visible; 
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.ecosystem-split { 
    display: flex; 
    flex-direction: row; 
    gap: 4rem; 
    width: 100%; 
    align-items: center; 
    margin-top: 2rem; 
}
.ecosystem-content-col { flex: 1; display: flex; flex-direction: column; gap: 2rem; }
.ecosystem-visual-col { flex: 1; display: flex; justify-content: flex-end; }

.ecosystem-text-box { padding: 3rem; }

.ecosystem-cloud-square {
    width: 60vh;
    height: 60vh;
    max-width: 600px;
    max-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    margin: 0 auto;
}

#ecosystem-canvas {
    width: 100% !important;
    height: 100% !important;
    cursor: grab;
}

/* Ensure original branded colors are visible in Dark Mode */
[data-theme="dark"] #ecosystem-list img {
    filter: drop-shadow(0 0 4px rgba(255,255,255,0.6));
}

#ecosystem-list { display: none; }

@media (max-width: 992px) {
    .ecosystem-split { flex-direction: column; }
    .ecosystem-visual-col { justify-content: center; }
    .ecosystem-cloud-square { width: 100%; height: auto; aspect-ratio: 1/1; }
}

/* Services Grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    width: 100%;
    max-width: 100%;
    margin-top: 1rem;
}
.service-card {
    padding: 2.5rem;
    background: var(--card-bg);
    box-shadow: var(--card-shadow);
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275), box-shadow 0.4s ease, border-color 0.4s ease;
    display: flex;
    flex-direction: column;
    text-align: left;
    align-items: flex-start;
}
.service-card h3 {
    font-size: 1.7rem;
    margin-bottom: 1rem;
    color: var(--accent-color);
}
.service-card p {
    font-size: 1.1rem;
    line-height: 1.6;
    opacity: 0.8;
}

.marketplace-icons {
    display: flex; gap: 1.5rem; margin-top: 2rem;
}
.m-icon-wrap {
    perspective: 800px;
}
.m-icon {
    width: 64px; height: 64px;
    background: rgba(128,128,128,0.1);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; font-weight: bold;
    cursor: pointer;
    transition: background 0.3s;
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-color);
    text-transform: uppercase;
}
[data-theme="dark"] .m-icon {
    background: rgba(255,255,255,0.05);
}

/* Staggered text base */
.staggered-heading span {
    display: inline-block;
    opacity: 0;
    transform: translateY(40px);
}
.staggered-text {
    opacity: 0;
    transform: translateY(20px);
}

/* --- NEW COMPONENT STYLES --- */
.gap-bottom { margin-bottom: 2rem; }
.x-serif { font-family: serif; font-weight: bold; }

/* Parallax Logo Fragments */
.parallax-container {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    pointer-events: none; z-index: 1; opacity: 0.3; /* Increased for authority */
}
.fragment { 
    font-family: serif; position: absolute; color: var(--accent-color); 
    filter: none; font-size: 8rem; font-weight: bold; overflow: hidden;
    transition: transform 0.2s ease-out;
}
.f1 { top: 15%; left: 8%; }
.f2 { top: 65%; left: 80%; font-size: 12rem; filter: none; }
.f3 { top: 75%; left: 12%; font-size: 5rem; }
.f4 { top: 20%; left: 75%; font-size: 6rem; filter: none; }

/* Section Headings Zenith Alignment */
.section-title { 
    text-align: center; 
    font-size: 3.5rem; 
    margin: 0 auto 3rem auto; 
    width: 100%;
    display: block;
}
h2 { 
    text-align: center; 
}

/* Buttons Overrides */
.primary-btn { 
    background: var(--text-color); color: var(--bg-color); 
    display: flex; align-items: center; justify-content: center; text-decoration: none; 
}
.secondary-btn { 
    background: transparent; border: 1px solid var(--text-color); color: var(--text-color); 
    backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
}
.secondary-btn:hover { background: var(--card-bg); }

/* Custom Grids & Splits */
.story-split { display: flex; flex-direction: row; gap: 3rem; width: 100%; align-items: stretch; margin-top: 2rem; }
.story-content-col { flex: 1.1; display: flex; flex-direction: column; gap: 2rem; justify-content: space-between; }
.story-visual-col { flex: 1; display: flex; }
.story-card { padding: 2.5rem 3rem; display: flex; flex-direction: column; justify-content: center; text-align: left; }
.story-card p { margin-top: 0.8rem; font-size: 1.1rem; line-height: 1.6; opacity: 0.9; }
.sub-heading { margin: 1rem 0; font-size: 1.25rem; font-weight: 600; opacity: 0.9; }

/* Bullets */
.styled-list { list-style: none; margin-top: 1.5rem; }
.styled-list li { margin-bottom: 1.2rem; position: relative; padding-left: 1.8rem; opacity: 0.9; line-height: 1.6; }
.styled-list li::before { content: '►'; position: absolute; left: 0; color: var(--accent-color); font-size: 0.8rem; top: 4px; }

/* Framework Section */
.framework-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 2rem; width: 100%; max-width: 100%; }
.step-card { padding: 2.5rem 2.5rem; position: relative; display: flex; flex-direction: column; align-items: flex-start; text-align: left; }
.step-num { font-size: 4.5rem; font-weight: 700; opacity: 0.4; margin-bottom: 1rem; font-family: serif; }
.compact { padding: 2.5rem 2rem; }

/* Contact Form */
.contact-container { display: flex; flex-wrap: wrap; gap: 4rem; padding: 4rem; width: 100%; max-width: 100%; justify-content: space-between; align-items: flex-start; }
.contact-info { flex: 1; min-width: 320px; }
.contact-form-container { flex: 1; min-width: 320px; display: flex; flex-direction: column; }
.form-component { margin-bottom: 1.2rem; transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1); }
.form-component:focus-within { border-color: var(--accent-color); box-shadow: 0 10px 30px rgba(212, 175, 55, 0.1); }
.form-input { 
    background: transparent; border: none; 
    padding: 1.2rem 1.5rem; font-family: inherit; font-size: 1rem; color: var(--text-color); 
    outline: none; transition: 0.3s;
    width: 100%;
}
.form-input::placeholder { color: var(--text-color); opacity: 0.5; }
.flex-col p { margin-bottom: 1rem; font-size: 1.15rem; }

/* Responsive adjustments */
@media (max-width: 768px) {
    .story-split { flex-direction: column; }
    .hero { flex-direction: column; text-align: center; margin-top: 40px; }
    .hero-content { align-items: center; }
    .hero-ctas { justify-content: center; }
    .hero-visual { width: 100%; min-height: 300px; height: 300px; }
    .section-title { font-size: 2.5rem; }
    .contact-container { padding: 2rem; }
}

/* --- SITE FOOTER STYLES --- */
.full-footer {
    padding: 2.5rem 5%;
    margin: 6rem 5% 2rem;
    border: 1px solid var(--card-border);
    border-radius: 3rem;
    position: relative;
    overflow: hidden;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 0;
}

.footer-col h4 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--accent-color);
}

.brand-info p {
    margin: 1.5rem 0;
    max-width: 400px;
    opacity: 0.8;
    line-height: 1.6;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.m-icon-small {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    color: var(--text-color);
    text-decoration: none;
    font-weight: bold;
    font-size: 0.9rem;
    transition: 0.3s;
}

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

.links-col ul li {
    margin-bottom: 0.8rem;
}

.links-col ul li a {
    color: var(--text-color);
    text-decoration: none;
    opacity: 0.7;
    transition: 0.3s;
}

.links-col ul li a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.marketplace-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
}

.badge {
    padding: 0.5rem 1rem;
    font-size: 0.85rem;
    font-weight: 500;
}

.footer-bottom {
    padding: 2rem 5%;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.6;
    margin-bottom: 2rem;
}

.footer-bottom a {
    color: var(--text-color);
    text-decoration: none;
    margin: 0 0.5rem;
}

@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .brand-info {
        grid-column: span 2;
    }
}

@media (max-width: 600px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
    .brand-info {
        grid-column: span 1;
    }
}

/* --- Zoom Parallax Engine (GSAP Pinning Architecture) --- */
.zoom-parallax-section {
    position: relative;
    height: 100vh;
    width: 100%;
    margin-top: 40px; /* Reduced for Sticky Header Flow */
    overflow: hidden;
    padding: 5%; /* Optimized '50% reduction' Inset */
    z-index: 10;
}

.mosaic-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5%;
}

.parallax-item {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    z-index: 5;
    will-change: transform;
}

.parallax-img-box {
    position: relative;
    overflow: hidden;
    border-radius: 40px; /* High-Gravity Soft Edge */
    width: 25vw;
    height: 25vh;
}

.parallax-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 1; /* Maximum Authority */
}

/* EXACT PERCENTAGE OVERRIDE SUITE FROM SPEC */
.p0 .parallax-img-box { width: 25vw; height: 25vh; } /* Center Reference */

.p1 .parallax-img-box { 
    width: 35vw; height: 30vh; 
    top: -30vh; left: 5vw; 
}
.p2 .parallax-img-box { 
    width: 20vw; height: 45vh; 
    top: -10vh; left: -25vw; 
}
.p3 .parallax-img-box { 
    width: 25vw; height: 25vh; 
    left: 27.5vw; 
}
.p4 .parallax-img-box { 
    width: 20vw; height: 25vh; 
    top: 27.5vh; left: 5vw; 
}
.p5 .parallax-img-box { 
    width: 30vw; height: 25vh; 
    top: 27.5vh; left: -22.5vw; 
}
.p6 .parallax-img-box { 
    width: 15vw; height: 15vh; 
    top: 22.5vh; left: 25vw; 
}

.parallax-center-content {
    position: relative;
    z-index: 50;
    text-align: center;
    pointer-events: auto;
}
/* --- FEATURE CAROUSEL: SOVEREIGN SERVICE HORIZON --- */
.feature-carousel-section {
    width: 100%;
    max-width: 1600px;
    margin: 8rem auto;
    padding: 0 5%;
    position: relative;
    overflow: hidden;
}

.carousel-container {
    position: relative;
    width: 100%;
    min-height: 650px; /* Reduced for Compact Cinematic Fit */
    display: flex;
    flex-direction: row;
    background: rgba(0, 0, 0, 0.3); /* Obsidian Horizon */
    border: 1px solid rgba(255, 255, 255, 0.2); /* Unified Mirror Border */
    border-radius: 3rem; /* Rounded Corners as requested */
    backdrop-filter: blur(20px);
    overflow: hidden; /* Purged kinetic leakage */
}

/* Left Pillar: Selector Zenith */
.carousel-selector-pillar {
    width: 30%; /* Ported to High-Density 30/70 Ratio */
    position: relative;
    z-index: 30;
    display: flex;
    flex-direction: column;
    align-items: center; /* Ported to Absolute Horizontal Center */
    justify-content: center;
    background: rgba(0,0,0,0.2);
    border-right: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
    padding-left: 0; /* Purged lateral anchor */
}

/* Vertical Gradient Fades Purged for Static Mode */

.selector-track {
    position: relative;
    width: 100%;
    display: flex;
    flex-direction: column; /* Stack headings vertically and statically */
    align-items: center; /* Absolute Symmetery */
    justify-content: center;
    gap: 1.5rem; /* Majestic Vertical Spacing */
    padding: 2rem 0;
}

.feature-chip {
    position: relative;
    min-width: 330px; /* Purged truncation risk */
    z-index: 5;
    /* Styles are mostly inherited from btn-premium-cta now */
}

.feature-chip.active {
    background: var(--accent-color) !important;
    color: #000 !important;
    border-color: var(--accent-color) !important;
    box-shadow: 0 10px 40px rgba(212, 175, 55, 0.4);
    z-index: 10;
    padding-left: 64px; /* Maintain the hover/active width shift */
}

.feature-chip.active .btn-icon-circle {
    background: #000 !important;
    color: var(--accent-color) !important;
}

[data-theme="dark"] .feature-chip:not(.active) {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.feature-chip:hover:not(.active) {
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
}

.feature-chip-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
}

.feature-chip.active .feature-chip-icon {
    opacity: 1;
}

/* Right Horizon: Content Card Stack */
.carousel-content-horizon {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 0 4rem; /* Purged vertical padding for absolute centering */
}

.content-card-stack {
    position: relative;
    width: 100%;
    max-width: 1200px; /* Expanded for high-visibility side nodes */
    height: 450px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-card {
    position: absolute;
    width: 800px; /* Fixed Aperture for Kinetic Tangency */
    height: 450px; /* Synchronized with stack height */
    left: calc(50% - 400px); /* Geometric Horizontal Center Anchor */
    top: calc(50% - 225px); /* Geometric Vertical Center Anchor */
    border-radius: 2.5rem;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.5); /* 50% Black Opacity */
    border: 1px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(40px); /* Increased blur for higher density harmony */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    padding: 5rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s ease; /* Only opacity is managed by CSS now */
}

.content-card h4 {
    font-size: 1.8rem;
    margin-top: 0; /* Purged ghost-gap */
    margin-bottom: 1rem;
    font-weight: 800;
}

.card-points {
    list-style: none;
    margin-top: 2rem;
    padding: 0;
}

.card-points li {
    font-size: 1rem;
    color: var(--accent-color);
    margin-bottom: 1rem;
    position: relative;
    padding-left: 1.8rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    font-weight: 600;
}

.card-points li::before {
    content: '◈';
    position: absolute;
    left: 0;
    font-size: 0.9rem;
    opacity: 0.8;
}

.content-card.active {
    opacity: 1;
    z-index: 20;
    pointer-events: auto;
    filter: none;
}

.content-card.prev {
    z-index: 10;
}

.content-card.next {
    z-index: 10;
}

.content-card.hidden {
    opacity: 0;
    pointer-events: none;
    transform: scale(0.4) translateY(100px);
}

.card-meta {
    background: var(--accent-color);
    color: #000;
    padding: 0.5rem 1.2rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    width: fit-content;
    margin-bottom: 1.5rem;
    letter-spacing: 0.1em;
}

.card-title {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 1rem;
    letter-spacing: -0.02em;
}

.card-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
}

.card-status-indicator {
    position: absolute;
    top: 2rem;
    left: 2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-color);
    box-shadow: 0 0 10px var(--accent-color);
}

.status-label {
    font-size: 0.65rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.3em;
    color: rgba(255, 255, 255, 0.6);
}

/* ==========================================================================
   VIII. Sovereign Mobile & Tablet Matrix (Responsive Protocol)
   ========================================================================== */

/* Tablet & Smaller Desktop (1024px) */
@media (max-width: 1024px) {
    .carousel-container { flex-direction: column; min-height: auto; gap: 2rem; }
    .carousel-selector-pillar { width: 100%; height: auto; padding: 2rem; flex-direction: row; flex-wrap: wrap; justify-content: center; border-right: none; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
    .carousel-content-horizon { width: 100%; padding: 2rem; min-height: auto; }
    .content-card-stack { position: relative; width: 100%; height: 450px; min-height: 450px; }
    .content-card { position: absolute; top: 0; left: 0; width: 100%; height: 100%; padding: 3rem; transform: none; box-shadow: none; border: 1px solid rgba(255,255,255,0.1); background: rgba(0,0,0,0.3); border-radius: 20px; }
    .content-card.hidden { pointer-events: none; opacity: 0; }
    .card-title { font-size: 2.5rem; }
    .feature-chip { width: auto; padding-right: 2rem; }
    
    .portfolio-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
    .detail-grid { grid-template-columns: 1fr; gap: 4rem; }
    .detail-meta { grid-template-columns: 1fr; gap: 2rem; padding: 2rem; }
}

/* Mobile Menu Implementation Nodes */
.mobile-menu-btn {
    display: none;
    position: absolute;
    left: 1rem; /* Base Left Default */
    width: 40px;
    height: 40px;
    background: var(--accent-color);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    color: #000;
    cursor: pointer;
    z-index: 2000;
}

.mobile-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-color);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    opacity: 0;
    pointer-events: none;
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.mobile-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.mobile-link {
    font-size: 2.5rem;
    font-weight: 800;
    text-transform: uppercase;
    color: var(--accent-color);
    text-decoration: none;
    font-family: serif;
    letter-spacing: -1px;
}

/* Mobile Architecture (768px) */
@media (max-width: 768px) {
    .glass-nav { 
        height: 65px; 
        padding: 0 1rem; 
    }
    p, .staggered-text, .section-desc, .blog-excerpt, .hero-description { font-size: 16px !important; line-height: 1.6; }
    h1 { font-size: 48px !important; line-height: 1.1; letter-spacing: -2px; }
    
    .nav-links { display: none !important; }
    
    .nav-left { padding-left: 0; flex: none; justify-content: flex-start; }
    .nav-right { display: none; }
    .nav-center { position: absolute; left: 50%; transform: translateX(-50%); width: auto; gap: 0; flex: none; align-items: center; justify-content: center; }
    
    .site-name { font-size: 0.65rem; }
    .phi-x-logo { font-size: 1.8rem; }
    
    /* Mobile Menu Trigger */
    .mobile-menu-btn { display: flex !important; position: relative; left: 0; }

    .hero { 
        display: flex;
        flex-direction: column; /* Standard Vertical Stack */
        text-align: center; 
        gap: 3rem; 
        padding-top: 40px;
        min-height: auto;
    }
    .hero-visual { 
        width: 100%; 
        height: 350px; 
        min-height: 350px; 
        order: -1; /* ZENITH NODE: TOP DISPLAY 🥇 */
        margin-bottom: 2rem;
    }
    .hero-content { order: 0; align-items: center; width: 100%; }
    .hero-ctas { order: 1; justify-content: center; width: 100%; }
    
    .portfolio-grid { grid-template-columns: 1fr; padding: 0 5%; }
    .project-card { height: 400px; }
    
    /* Parallax Mosaic Mobile Stack */
    .zoom-parallax-section { height: auto; min-height: 100vh; padding: 8rem 5%; }
    .mosaic-container { position: relative; width: 100%; height: auto; transform: none !important; display: grid; grid-template-columns: 1fr; gap: 1.5rem; }
    .parallax-item { position: relative !important; width: 100% !important; height: 250px !important; top: 0 !important; left: 0 !important; transform: none !important; }
    .parallax-img-box { border-radius: 20px; }
    
    .detail-hero { padding: 8rem 5% 4rem 5% !important; }
    .detail-brand-mark { font-size: 6rem !important; margin-bottom: -2rem !important; }
    
    .footer-grid { grid-template-columns: 1fr; gap: 4rem; text-align: center; }
    .brand-info .brand-stack { align-items: center; text-align: center; }
    .contact-header { margin: 0 auto; }

    /* Sovereign Section Padding Recalibration */
    section { padding: 60px 4% 40px !important; }
    .ecosystem-section { padding-top: 40px !important; }
    .framework-section { padding-top: 40px !important; }

    /* Core Services Recalibration */
    .carousel-container { gap: 1rem; border-radius: 20px; }
    .carousel-selector-pillar { width: 100vw; margin-left: -4vw; margin-right: -4vw; padding: 1.5rem 0 0.5rem 0; border-bottom: 1px solid rgba(255, 255, 255, 0.05); overflow: hidden; }
    .selector-track { display: flex; flex-direction: row; width: 100%; gap: 12px; overflow-x: auto; scroll-snap-type: x mandatory; padding: 0 4vw 1rem 4vw; scrollbar-width: none; -ms-overflow-style: none; }
    .selector-track::-webkit-scrollbar { display: none; }
    .feature-chip { position: relative; width: auto !important; min-width: max-content; padding: 1rem 1.5rem !important; align-items: center; justify-content: center; height: 50px; border-radius: 9999px; text-transform: none; scroll-snap-align: start; flex-shrink: 0; }
    .feature-chip .btn-text { font-size: 0.9rem; z-index: 10; font-weight: 700; width: auto; text-align: center; padding-left: 0; margin: 0; }
    .feature-chip .btn-icon-circle { display: none !important; } /* Hide icon to push pure text tabs */
    .feature-chip:hover, .feature-chip.active { padding-left: 1.5rem !important; transform: translateY(-2px); }
    .carousel-content-horizon { padding: 1.5rem 1rem; min-height: auto; }
    .content-card-stack { width: 100%; height: 500px; display: block; position: relative; }
    .content-card { position: absolute; width: 100%; height: 100%; top: 0; left: 0; padding: 1.5rem; display: flex; flex-direction: column; justify-content: center; }
    .content-card .card-description { font-size: 14px !important; margin-bottom: 1.5rem; line-height: 1.5; }
    .content-card .accent { font-size: 1.8rem !important; margin-bottom: 0.8rem; letter-spacing: -0.5px; }
    .card-points { gap: 0.8rem; }
    .card-points li { font-size: 13px !important; padding: 0.6rem; margin-bottom: 0.6rem; }
}


.detail-hero { display: none !important; } /* Superseded by Parallax */