/* ===========================
   PORTFOLIO CSS; CANWORKSTUDIOS
   OS Theme: Garuda-inspired dark desktop
   =========================== */

/* ── Reset & Base ── */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ── Theme Variables ── */
:root {
    /* Dark theme (default) */
    --bg-desktop:
        radial-gradient(ellipse 90% 70% at 10% 110%, rgba(26, 111, 216, 0.16) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 90% -10%, rgba(212, 113, 26, 0.08) 0%, transparent 55%),
        radial-gradient(ellipse 50% 40% at 50% 100%, rgba(26, 111, 216, 0.06) 0%, transparent 50%),
        linear-gradient(160deg, #0a0f1a 0%, #0d1117 55%, #0c1016 100%);
    --bg-wallpaper-grid: rgba(255, 255, 255, 0.025);

    --window-bg: #161b22;
    --window-titlebar: #1c2128;
    --window-border: rgba(255, 255, 255, 0.07);
    --window-shadow: 0 32px 80px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.06);

    --sys-bar-bg: rgba(13, 17, 23, 0.9);
    --sys-bar-border: rgba(255, 255, 255, 0.06);

    --dock-bg: rgba(22, 27, 34, 0.75);
    --dock-border: rgba(255, 255, 255, 0.08);
    --dock-shadow: 0 -1px 0 rgba(255, 255, 255, 0.05), 0 8px 32px rgba(0, 0, 0, 0.4);

    --text-primary: #e6edf3;
    --text-secondary: #8b949e;
    --text-light: #484f58;

    --background: #161b22;
    --background-light: #1c2128;
    --background-dark: #0d1117;
    --border-color: rgba(255, 255, 255, 0.07);

    --primary-blue: #58a6ff;
    --primary-blue-dark: #388bfd;
    --secondary-blue: #79c0ff;

    --accent-blue: #1a6fd8;
    --accent-orange: #d4711a;
    --accent-teal: #0d9488;
    --accent-red: #dc2626;
    --accent-gray: #374151;

    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 24px;
    --spacing-lg: 32px;
    --spacing-xl: 48px;
    --spacing-xxl: 80px;

    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
}

[data-theme="light"] {
    --bg-desktop:
        radial-gradient(ellipse 90% 70% at 10% 110%, rgba(26, 111, 216, 0.07) 0%, transparent 55%),
        radial-gradient(ellipse 70% 50% at 90% -10%, rgba(212, 113, 26, 0.05) 0%, transparent 55%),
        linear-gradient(160deg, #f0f5ff 0%, #eaf0fc 55%, #f5f0ea 100%);
    --bg-wallpaper-grid: rgba(0, 0, 0, 0.04);

    --window-bg: #ffffff;
    --window-titlebar: #f6f8fa;
    --window-border: rgba(0, 0, 0, 0.08);
    --window-shadow: 0 32px 80px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.06);

    --sys-bar-bg: rgba(255, 255, 255, 0.9);
    --sys-bar-border: rgba(0, 0, 0, 0.06);

    --dock-bg: rgba(255, 255, 255, 0.8);
    --dock-border: rgba(0, 0, 0, 0.08);
    --dock-shadow: 0 -1px 0 rgba(0, 0, 0, 0.04), 0 8px 32px rgba(0, 0, 0, 0.1);

    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;

    --background: #ffffff;
    --background-light: #f9fafb;
    --background-dark: #f3f4f6;
    --border-color: #e5e7eb;

    --primary-blue: #1a73e8;
    --primary-blue-dark: #1557b0;
    --secondary-blue: #4285f4;
}

/* ── Base ── */
html {
    scroll-behavior: smooth;
    height: 100%;
}

body {
    font-family: var(--font-primary);
    color: var(--text-primary);
    background: var(--bg-desktop);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--primary-blue);
    text-decoration: none;
    transition: color var(--transition-fast);
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-primary);
    font-weight: 600;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
}

/* ===========================
   OS MODE LAYOUT
   =========================== */
body.os-mode {
    overflow: hidden;
    height: 100dvh;
    width: 100vw;
    display: flex;
    flex-direction: column;
}

/* ===========================
   TOP SYSTEM BAR
   =========================== */
.sys-bar {
    height: 44px;
    background: var(--sys-bar-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--sys-bar-border);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    gap: var(--spacing-sm);
    flex-shrink: 0;
    z-index: 200;
    position: relative;
}

.sys-bar-left {
    display: flex;
    align-items: center;
    min-width: 160px;
}

.logo-link {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.logo-link:hover {
    color: var(--text-primary);
    opacity: 0.85;
}

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

.sys-bar-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    flex: 1;
    justify-content: center;
}

.sys-nav-link {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 5px 12px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.sys-nav-link:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.06);
}

[data-theme="light"] .sys-nav-link:hover {
    background: var(--background-dark);
}

.sys-bar-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    min-width: 160px;
    justify-content: flex-end;
}

/* Phase tabs in sys-bar */
.phase-tabs {
    display: flex;
    gap: 2px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 7px;
    padding: 2px;
}

[data-theme="light"] .phase-tabs {
    background: var(--background-dark);
}

.phase-tab {
    font-size: 11px;
    font-weight: 500;
    padding: 3px 10px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-primary);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

.phase-tab--active {
    background: var(--accent-blue);
    color: #fff;
}

.phase-tab--coming {
    color: var(--text-light);
    cursor: not-allowed;
    opacity: 0.6;
}

/* Theme toggle */
.theme-toggle {
    width: 30px;
    height: 30px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.theme-toggle:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.15);
    background: rgba(255, 255, 255, 0.08);
}

[data-theme="light"] .theme-toggle {
    background: var(--background-light);
}

/* Sun/moon icon: default = light mode = show moon (click → go dark) */
.icon-sun {
    display: none;
}

.icon-moon {
    display: block;
}

[data-theme="dark"] .icon-sun {
    display: block;
}

[data-theme="dark"] .icon-moon {
    display: none;
}

/* Clock */
.sys-clock {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.5px;
    min-width: 36px;
    text-align: right;
}

/* ===========================
   DESKTOP
   =========================== */
.os-desktop {
    flex: 1;
    position: relative;
    overflow-y: auto;
    background: var(--bg-desktop);
    background-attachment: fixed;
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.08) transparent;
}

.os-desktop::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(to right, var(--bg-wallpaper-grid) 1px, transparent 1px),
        linear-gradient(to bottom, var(--bg-wallpaper-grid) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.8;
    pointer-events: none;
    z-index: 0;
    /* Circular mask inspired by desktop-wallpaper */
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
}

.os-desktop::-webkit-scrollbar {
    width: 5px;
}

.os-desktop::-webkit-scrollbar-track {
    background: transparent;
}

.os-desktop::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
}

[data-theme="light"] .os-desktop {
    scrollbar-color: rgba(0, 0, 0, 0.1) transparent;
}

[data-theme="light"] .os-desktop::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
}

/* ── Desktop Wallpaper; home page IS the OS background ── */
.desktop-wallpaper {
    position: relative;
    z-index: 1;
}

/* hero-accent gradient text */
.hero-accent {
    background: linear-gradient(135deg, #d4711a 0%, #e8941f 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Hero fills the full visible desktop area on first load */
.desktop-wallpaper .hero {
    min-height: calc(100dvh - 44px - 70px);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xl) 0;
}

/* ── Dark mode: sections on the wallpaper are transparent to show OS gradient ── */
[data-theme="dark"] .desktop-wallpaper .hero {
    background: transparent;
}

[data-theme="dark"] .desktop-wallpaper .hero-grid-bg {
    background-image:
        linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}

[data-theme="dark"] .desktop-wallpaper .tools {
    background: rgba(22, 27, 34, 0.7);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .desktop-wallpaper .about {
    background: rgba(13, 17, 23, 0.65);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .desktop-wallpaper .contact {
    background: rgba(22, 27, 34, 0.7);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .desktop-wallpaper .footer {
    background: rgba(13, 17, 23, 0.85);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ===========================
   FLOATING WINDOW LAYER
   =========================== */
.os-window-layer {
    position: fixed;
    top: 44px;
    bottom: 70px;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    z-index: 50;
    pointer-events: none;
    opacity: 0;
    transform: scale(0.97) translateY(8px);
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.os-window-layer.is-open {
    opacity: 1;
    transform: scale(1) translateY(0);
    pointer-events: auto;
}

.os-window-layer.is-minimized {
    opacity: 0;
    transform: scale(0.85) translateY(60px);
    pointer-events: none;
}

/* The floating window */
.os-window {
    width: 100%;
    max-width: 1100px;
    height: 100%;
    background: var(--window-bg);
    border-radius: var(--radius-xl);
    border: 1px solid var(--window-border);
    box-shadow: var(--window-shadow);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: border-radius var(--transition-base);
}

/* Window Titlebar */
.os-window-titlebar {
    height: 46px;
    background: var(--window-titlebar);
    border-bottom: 1px solid var(--window-border);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-md);
    justify-content: space-between;
    flex-shrink: 0;
    gap: var(--spacing-sm);
}

.window-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.win-btn {
    width: 13px;
    height: 13px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    position: relative;
    transition: filter var(--transition-fast), transform var(--transition-fast);
    flex-shrink: 0;
}

.win-btn:hover {
    filter: brightness(1.15);
    transform: scale(1.1);
}

.win-btn:active {
    transform: scale(0.92);
}

.win-close {
    background: #ff5f56;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.12) inset;
}

.win-min {
    background: #ffbd2e;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.10) inset;
    opacity: 0.4;
    cursor: not-allowed;
}

.win-max {
    background: #27c93f;
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.10) inset;
}

.win-min:hover {
    filter: none;
    transform: none;
}

/* disabled; no hover effect */

/* Show symbols on titlebar hover */
.os-window-titlebar:hover .win-close::after {
    content: '×';
}

.os-window-titlebar:hover .win-min::after {
    content: '−';
}

.os-window-titlebar:hover .win-max::after {
    content: '+';
}

.win-btn::after {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 9px;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.55);
    line-height: 1;
}

.window-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    font-family: monospace;
    letter-spacing: 0.2px;
    flex: 1;
    text-align: center;
}

.window-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

/* Ghost button for titlebar */
.butn-ghost-sm {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    font-family: var(--font-primary);
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    background: transparent;
    transition: all var(--transition-fast);
    cursor: pointer;
    white-space: nowrap;
}

.butn-ghost-sm:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.2);
    background: rgba(255, 255, 255, 0.06);
}

[data-theme="light"] .butn-ghost-sm:hover {
    background: var(--background-dark);
    border-color: #d1d5db;
}

/* Window viewport */
.window-viewport {
    flex: 1;
    overflow-y: auto;
    background: var(--window-bg);
    position: relative;
    /* Custom scrollbar */
    scrollbar-width: thin;
    scrollbar-color: rgba(255, 255, 255, 0.1) transparent;
}

.window-viewport::-webkit-scrollbar {
    width: 6px;
}

.window-viewport::-webkit-scrollbar-track {
    background: transparent;
}

.window-viewport::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}

[data-theme="light"] .window-viewport {
    scrollbar-color: rgba(0, 0, 0, 0.12) transparent;
}

[data-theme="light"] .window-viewport::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.12);
}

.iframe-viewport {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ===========================
   BOTTOM DOCK
   =========================== */
.dock {
    height: 70px;
    background: var(--dock-bg);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid var(--dock-border);
    box-shadow: var(--dock-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0 var(--spacing-md);
    flex-shrink: 0;
    z-index: 100;
    position: relative;
}

/* Dock item */
.dock-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    position: relative;
    -webkit-user-select: none;
    user-select: none;
    min-width: 60px;
}

.dock-item:hover {
    transform: translateY(-6px) scale(1.08);
}

.dock-item:active {
    transform: translateY(-2px) scale(0.96);
}

/* Active dot below icon */
/* .dock-item.is-active::after { content: ''; ... } */

.dock-item.is-active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 5px;
    height: 5px;
    border-radius: 50%;
    background: var(--text-primary);
    opacity: 0.7;
}

/* Dock icon face */
.dock-icon-face {
    width: 44px;
    height: 44px;
    border-radius: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 3px 12px rgba(0, 0, 0, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
    transition: box-shadow var(--transition-fast);
    flex-shrink: 0;
}

.dock-item:hover .dock-icon-face {
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(255, 255, 255, 0.12) inset;
}

/* Per-app dock icon colors */
.dock-icon-face.color-home {
    background: linear-gradient(145deg, #1a6fd8, #1a73e8);
}

.dock-icon-face.color-tifany {
    background: linear-gradient(145deg, #1a73e8, #0ea5e9);
}

.dock-icon-face.color-wiring {
    background: linear-gradient(145deg, #059669, #0d9488);
}

.dock-icon-face.color-pdf {
    background: linear-gradient(145deg, #dc2626, #ea580c);
}

.dock-icon-face.color-github {
    background: linear-gradient(145deg, #374151, #111827);
}

.dock-icon-face.color-default {
    background: linear-gradient(145deg, #6b7280, #374151);
}

.dock-label {
    font-size: 10px;
    font-weight: 500;
    color: var(--text-secondary);
    white-space: nowrap;
    max-width: 68px;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: center;
}

/* Dock separator */
.dock-sep {
    width: 1px;
    height: 36px;
    background: var(--border-color);
    margin: 0 4px;
    flex-shrink: 0;
}

/* ===========================
   HIDDEN TEMPLATES
   =========================== */
.os-templates {
    display: none;
}

/* ===========================
   WINDOW INTERIOR CONTENT
   (Hero, Tools, About, Contact, Footer)
   These fire inside the window viewport
   =========================== */
.container,
.dev-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Hero Section (inside window) */
.hero {
    position: relative;
    background: var(--background);
    color: var(--text-primary);
    padding: var(--spacing-xxl) 0;
    text-align: center;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.hero-grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(to right, var(--border-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--border-color) 1px, transparent 1px);
    background-size: 40px 40px;
    opacity: 0.5;
    pointer-events: none;
    mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 50%, black 40%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 720px;
    margin: 0 auto;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    letter-spacing: 1.2px;
    text-transform: uppercase;
    color: var(--primary-blue);
    background: rgba(88, 166, 255, 0.1);
    border: 1px solid rgba(88, 166, 255, 0.2);
    border-radius: 20px;
    padding: 4px 14px;
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: 56px;
    font-weight: 800;
    letter-spacing: -2px;
    line-height: 1.05;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.hero-subtitle {
    font-size: 17px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.butn {
    display: inline-block;
    padding: 10px 22px;
    font-size: 14px;
    font-weight: 600;
    font-family: var(--font-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    text-align: center;
    letter-spacing: 0.1px;
}

.butn-primary {
    background-color: var(--accent-blue);
    color: #ffffff;
    box-shadow: 0 2px 8px rgba(26, 111, 216, 0.35);
}

.butn-primary:hover {
    background-color: #1557b0;
    color: #ffffff;
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(26, 111, 216, 0.4);
}

.butn-secondary {
    background-color: var(--background-light);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.butn-secondary:hover {
    background-color: var(--background-dark);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.btn-link {
    color: var(--primary-blue);
    font-weight: 500;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    transition: all var(--transition-fast);
}

.btn-link:hover {
    transform: translateX(3px);
}

.btn-link-secondary {
    color: var(--text-secondary);
    font-weight: 400;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    transition: color var(--transition-fast);
}

.btn-link-secondary:hover {
    color: var(--text-primary);
}

/* Section Titles */
.section-title {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
    margin-bottom: var(--spacing-xl);
}

/* Tools Section */
.tools {
    padding: var(--spacing-xxl) 0;
    background-color: var(--background-light);
}

.tools .section-title {
    text-align: left;
    font-size: 11px;
    margin-bottom: var(--spacing-xs);
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
}

/* Project cards */
.project-card {
    background-color: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    position: relative;
    animation: fadeInUp var(--transition-slow) ease-out both;
}

.card-overlay-link {
    position: absolute;
    inset: 0;
    z-index: 0;
    border-radius: inherit;
}

.project-icon,
.project-title,
.project-description,
.project-tags,
.project-links {
    position: relative;
    z-index: 1;
}

.project-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    border-color: rgba(26, 111, 216, 0.22);
}

.project-card-placeholder {
    opacity: 0.45;
    cursor: default;
    background: var(--background-light);
}

.project-card-placeholder:hover {
    transform: none;
    box-shadow: none;
    border-color: var(--border-color);
}

.project-icon {
    width: 40px;
    height: 40px;
    background: rgba(26, 111, 216, 0.09);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 14px;
    color: var(--accent-blue);
}

.project-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.project-description {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: var(--spacing-md);
}

.tag {
    display: inline-block;
    padding: 3px 10px;
    background-color: var(--background-dark);
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 500;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.project-links {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

/* About Section */
.about {
    padding: var(--spacing-xxl) 0;
    background-color: var(--background);
}

.about-content {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: var(--spacing-xl);
}

.tech-stack {
    margin-top: var(--spacing-xl);
}

.tech-stack h3 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: var(--spacing-sm);
}

.tech-item {
    background-color: var(--background-light);
    padding: 10px var(--spacing-sm);
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all var(--transition-fast);
}

.tech-item:hover {
    border-color: rgba(26, 111, 216, 0.25);
    background: rgba(26, 111, 216, 0.05);
    transform: translateY(-1px);
}

.tech-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Contact Section */
.contact {
    padding: var(--spacing-xxl) 0;
    background-color: var(--background-light);
    text-align: center;
}

.contact-text {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.contact-links {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background-color: var(--background);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.contact-btn p {
    margin: 0;
}

.contact-btn:hover {
    background-color: var(--accent-blue);
    color: #fff;
    border-color: var(--accent-blue);
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(26, 111, 216, 0.25);
}

/* Footer */
.footer {
    background-color: var(--background-dark);
    color: var(--text-secondary);
    padding: var(--spacing-lg) 0;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.footer p {
    font-size: 12px;
    margin: 0;
}

/* Projects section (legacy compat) */
.projects {
    padding: var(--spacing-xxl) 0;
    background-color: var(--background-light);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

/* ===========================
   ANIMATIONS
   =========================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   UTILITIES
   =========================== */
.text-center {
    text-align: center;
}

.mt-lg {
    margin-top: var(--spacing-lg);
}

.mb-lg {
    margin-bottom: var(--spacing-lg);
}

/* Hamburger */
.nav-hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    margin-left: 8px;
}

.nav-hamburger span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text-primary);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ===========================
   MOBILE; Phone Home Screen
   =========================== */
@media (max-width: 768px) {

    /* Sys bar on mobile */
    .sys-bar-nav {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 44px;
        left: 0;
        right: 0;
        background: var(--sys-bar-bg);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-bottom: 1px solid var(--sys-bar-border);
        padding: var(--spacing-sm);
        z-index: 1000;
        gap: 8px;
    }

    .sys-bar-nav.is-open {
        display: flex;
    }

    .nav-hamburger {
        display: flex;
    }

    .phase-tabs {
        display: none;
    }

    .sys-bar-left {
        min-width: unset;
    }

    .sys-bar-right {
        min-width: unset;
        gap: 10px;
    }

    /* Hero fills viewport on mobile too */
    .desktop-wallpaper .hero {
        min-height: calc(100dvh - 44px - 80px);
    }

    /* Dock: taller on mobile for touch targets */
    .dock {
        height: 80px;
        padding-bottom: 8px;
    }

    /* Window layer: bottom-sheet style on mobile */
    .os-window-layer {
        bottom: 80px;
        /* matches mobile dock height */
        padding: 0;
        align-items: flex-end;
    }

    .os-window {
        max-width: 100%;
        height: 88dvh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        border-bottom: none;
    }

    .os-window-titlebar {
        height: 52px;
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 36px;
        letter-spacing: -1px;
    }

    .hero-subtitle {
        font-size: 15px;
    }

    .section-title {
        font-size: 24px;
    }

    .tools-grid,
    .projects-grid {
        grid-template-columns: 1fr;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .contact-links {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .sys-bar {
        padding: 0 12px;
    }

    /* Phone status bar style */
    .sys-clock {
        font-size: 13px;
        font-weight: 700;
        color: var(--text-primary);
    }

    /* Dock: compact on small phones */
    .dock {
        gap: 2px;
        padding: 0 var(--spacing-sm);
        padding-bottom: 10px;
        height: 82px;
    }

    .os-window-layer {
        bottom: 82px;
    }

    .dock-item {
        min-width: 52px;
    }

    .dock-icon-face {
        width: 40px;
        height: 40px;
        border-radius: 10px;
    }

    .dock-label {
        font-size: 9px;
    }

    .butn {
        width: 100%;
    }

    .hero-title {
        font-size: 30px;
    }
}
/* ===========================
   HERO TRUST SIGNAL
   =========================== */
.hero-trust {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-light);
    letter-spacing: 0.3px;
}

.trust-sep {
    opacity: 0.4;
}

/* ===========================
   PIPELINE FLOW VISUALIZER
   =========================== */
.pipeline-section {
    padding: var(--spacing-xxl) 0;
    background: var(--background-light);
}

.pipeline-flow {
    display: flex;
    align-items: stretch;
    justify-content: center;
    padding: var(--spacing-xl) 0 var(--spacing-sm);
    gap: 0;
}

.flow-node {
    flex: 0 0 auto;
    width: 190px;
    background: var(--background);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
    position: relative;
}

.flow-node:hover {
    border-color: rgba(26, 111, 216, 0.35);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.highlight-node {
    border-color: rgba(26, 111, 216, 0.3);
    background: rgba(26, 111, 216, 0.04);
}

.highlight-node::before {
    content: 'Engine';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--accent-blue);
    background: var(--background);
    border: 1px solid rgba(26, 111, 216, 0.25);
    border-radius: 20px;
    padding: 2px 8px;
    white-space: nowrap;
}

.node-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(26, 111, 216, 0.07);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    color: var(--accent-blue);
}

.node-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
    letter-spacing: -0.2px;
    line-height: 1.3;
}

.node-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.55;
    margin: 0;
}

.flow-connector {
    flex: 1;
    min-width: 28px;
    max-width: 60px;
    position: relative;
    display: flex;
    align-items: center;
}

.connector-line {
    position: absolute;
    left: 4px;
    right: 4px;
    height: 1.5px;
    background: var(--border-color);
}

.connector-line::before,
.connector-line::after {
    content: '';
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

.connector-line::before {
    left: -1px;
    border-right: 6px solid var(--accent-blue);
    opacity: 0.55;
}

.connector-line::after {
    right: -1px;
    border-left: 6px solid var(--accent-blue);
    opacity: 0.55;
}

@keyframes dotFlow {
    0%   { left: 4px;              opacity: 0; }
    8%   { opacity: 1; }
    92%  { opacity: 1; }
    100% { left: calc(100% - 10px); opacity: 0; }
}

.connector-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-blue);
    top: 50%;
    transform: translateY(-50%);
    animation: dotFlow 2.4s ease-in-out infinite;
    box-shadow: 0 0 6px rgba(26, 111, 216, 0.5);
}

.flow-connector:last-of-type .connector-dot {
    animation-delay: -1.2s;
}

/* ===========================
   OPEN CORE SECTION
   =========================== */
.opencore-section {
    padding: var(--spacing-xxl) 0;
    background: var(--background);
    border-top: 1px solid var(--border-color);
}

.opencore-inner {
    max-width: 780px;
    margin: 0 auto;
    text-align: center;
}

.opencore-eyebrow {
    display: inline-block;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1.4px;
    text-transform: uppercase;
    color: var(--accent-blue);
    background: rgba(26, 111, 216, 0.07);
    border: 1px solid rgba(26, 111, 216, 0.18);
    border-radius: 20px;
    padding: 4px 14px;
    margin-bottom: var(--spacing-md);
}

.opencore-title {
    font-size: 34px;
    font-weight: 800;
    letter-spacing: -1px;
    line-height: 1.15;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.opencore-desc {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.opencore-tiers {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    text-align: left;
}

.tier {
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 12px;
    position: relative;
}

.tier--pro {
    border-color: rgba(26, 111, 216, 0.25);
    background: rgba(26, 111, 216, 0.03);
}

.tier-badge {
    position: absolute;
    top: -11px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #fff;
    background: var(--accent-blue);
    border-radius: 20px;
    padding: 3px 10px;
    white-space: nowrap;
}

.tier-name {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.tier-price {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.tier-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.tier-features li {
    font-size: 13px;
    color: var(--text-secondary);
    padding-left: 18px;
    position: relative;
}

.tier-features li::before {
    content: '\2713';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
    font-weight: 700;
    font-size: 11px;
}

.tier-cta {
    display: block;
    text-align: center;
    margin-top: 4px;
}

/* ===========================
   FOOTER (updated)
   =========================== */
.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-links a {
    font-size: 13px;
    color: var(--text-secondary);
}

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

/* ===========================
   PIPELINE + OPENCORE RESPONSIVE
   =========================== */
@media (max-width: 720px) {
    .pipeline-flow {
        flex-direction: column;
        align-items: center;
    }

    .flow-node {
        width: 100%;
        max-width: 320px;
    }

    .flow-connector {
        width: 1.5px;
        height: 40px;
        min-width: auto;
        max-width: none;
        flex: 0 0 auto;
    }

    .connector-line {
        left: 50%;
        right: auto;
        top: 0;
        bottom: 0;
        width: 1.5px;
        height: 100%;
        transform: translateX(-50%);
    }

    .connector-line::before,
    .connector-line::after {
        display: none;
    }

    .connector-dot {
        left: 50% !important;
        transform: translateX(-50%);
        animation-name: dotFlowV;
    }

    .opencore-tiers {
        grid-template-columns: 1fr;
    }

    .opencore-title {
        font-size: 26px;
    }

    .footer-inner {
        flex-direction: column;
        text-align: center;
    }
}

@keyframes dotFlowV {
    0%   { top: 4px;              opacity: 0; }
    8%   { opacity: 1; }
    92%  { opacity: 1; }
    100% { top: calc(100% - 10px); opacity: 0; }
}


/* ===========================
   MANIFESTO (about.html)
   =========================== */
.manifesto {
    padding: var(--spacing-xxl) 0;
}

.manifesto-inner {
    max-width: 720px;
    margin: 0 auto;
}

.manifesto-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.manifesto-title {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.manifesto-lead {
    font-size: 18px;
    color: var(--text-secondary);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto;
}

.manifesto-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.manifesto-section h2 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.4px;
    margin-bottom: var(--spacing-sm);
}

.manifesto-section p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.85;
    margin-bottom: var(--spacing-sm);
}

.manifesto-section p:last-child {
    margin-bottom: 0;
}

.manifesto-footer {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-xxl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

@media (max-width: 600px) {
    .manifesto-title { font-size: 34px; }
    .manifesto-lead  { font-size: 16px; }
}

/* ===========================
   PARTNER PAGE (contact.html)
   =========================== */
.partner-page {
    padding: var(--spacing-xxl) 0;
}

.partner-inner {
    max-width: 860px;
    margin: 0 auto;
}

.partner-header {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
}

.partner-title {
    font-size: 48px;
    font-weight: 800;
    letter-spacing: -1.5px;
    line-height: 1.1;
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.partner-lead {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 560px;
    margin: 0 auto;
}

.partner-tracks {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xxl);
}

.partner-track {
    background: var(--background-light);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: 14px;
    position: relative;
}

.partner-track--highlight {
    border-color: rgba(26, 111, 216, 0.3);
    background: rgba(26, 111, 216, 0.04);
}

.track-badge {
    position: absolute;
    top: -11px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #fff;
    background: var(--accent-blue);
    border-radius: 20px;
    padding: 3px 10px;
    white-space: nowrap;
}

.track-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: rgba(26, 111, 216, 0.07);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-blue);
}

.track-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.3px;
    margin: 0;
}

.track-desc {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.65;
    flex: 1;
    margin: 0;
}

.partner-direct {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
}

.partner-direct > p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

@media (max-width: 720px) {
    .partner-tracks {
        grid-template-columns: 1fr;
    }
    .partner-title { font-size: 34px; }
}