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

:root {
    /* Color Palette - Dark Mode (Default) */
    --bg-primary: #0b0f19;
    --bg-secondary: #131b2e;
    --bg-tertiary: #1e293b;
    --accent-green: #10b981;
    --accent-green-rgb: 16, 185, 129;
    --accent-green-hover: #059669;
    --accent-amber: #f59e0b;
    --accent-amber-rgb: 245, 158, 11;
    --accent-amber-hover: #d97706;
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(19, 27, 46, 0.7);
    --glass-border: rgba(255, 255, 255, 0.05);
    --glass-blur: blur(16px);
    --box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.35);
    --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-serif: "Noto Serif CJK SC", "Source Han Serif SC", "Source Han Serif CN", "STSong", "华文宋体", "SimSun", "宋体", Georgia, serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables */
body.light-theme {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --accent-green: #059669;
    --accent-green-rgb: 5, 150, 105;
    --accent-green-hover: #047857;
    --accent-amber: #d97706;
    --accent-amber-rgb: 217, 119, 6;
    --accent-amber-hover: #b45309;
    --text-main: #0f172a;
    --text-muted: #64748b;
    --border-color: rgba(0, 0, 0, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(0, 0, 0, 0.06);
    --box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.08);
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.4s ease, color 0.4s ease;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-green);
}

/* Ambient glow backgrounds */
.ambient-glow {
    position: absolute;
    width: 45vw;
    height: 45vw;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.15;
    transition: opacity 0.5s ease;
}
body.light-theme .ambient-glow {
    opacity: 0.06;
}
.bg-glow-1 {
    top: -10vw;
    left: -10vw;
    background: radial-gradient(circle, rgba(var(--accent-green-rgb), 0.8) 0%, transparent 70%);
    animation: float-slow 15s infinite alternate;
}
.bg-glow-2 {
    top: 50vh;
    right: -10vw;
    background: radial-gradient(circle, rgba(var(--accent-amber-rgb), 0.8) 0%, transparent 70%);
    animation: float-slow 20s infinite alternate-reverse;
}

@keyframes float-slow {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(50px, 30px) scale(1.1); }
}

/* Global Typography & Elements */
h1, h2, h3, h4 {
    color: var(--text-main);
    font-weight: 700;
}

p {
    color: var(--text-muted);
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition);
}

/* Local SVG Icon System */
.icon {
    width: 1.2em;
    height: 1.2em;
    display: inline-block;
    vertical-align: -0.25em;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.icon-fill {
    fill: currentColor;
    stroke: none;
}
.icon-spin {
    animation: icon-spin 1s infinite linear;
}
@keyframes icon-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(var(--bg-primary) == #0b0f19 ? 11 : 248, 
                     var(--bg-primary) == #0b0f19 ? 15 : 250, 
                     var(--bg-primary) == #0b0f19 ? 25 : 252, 0.7);
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
    padding: 0 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-main);
    gap: 0.3rem;
}
.icon-terminal {
    color: var(--accent-green);
    text-shadow: 0 0 8px rgba(var(--accent-green-rgb), 0.4);
}
.divider {
    color: var(--text-muted);
    font-weight: 300;
    margin: 0 2px;
}
.icon-tea {
    color: var(--accent-amber);
    text-shadow: 0 0 8px rgba(var(--accent-amber-rgb), 0.4);
}
.logo-text {
    margin-left: 0.4rem;
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    gap: 1.8rem;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    position: relative;
    padding: 0.5rem 0;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.nav-link:hover, .nav-link.active {
    color: var(--accent-green);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-green);
    transition: var(--transition);
}

.nav-link:hover::after, .nav-link.active::after {
    width: 100%;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.theme-toggle, .mobile-menu-toggle {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--accent-amber);
    border-color: var(--accent-amber);
    box-shadow: 0 0 10px rgba(var(--accent-amber-rgb), 0.2);
}

.mobile-menu-toggle {
    display: none;
}

/* Button Component */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--accent-green);
    color: #ffffff;
    border: none;
}
.btn-primary:hover {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(var(--accent-green-rgb), 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: var(--bg-tertiary);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(var(--accent-green-rgb), 0.1);
    color: var(--accent-green);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid rgba(var(--accent-green-rgb), 0.2);
}
.badge-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.9); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.9); opacity: 0.6; }
}

/* Sections */
.section {
    padding: 6rem 0;
}
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}
.section-subtitle {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-green);
    letter-spacing: 2px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 0.5rem;
}
.section-header h2 {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    margin-bottom: 1rem;
}
.section-desc {
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-muted);
}

/* Hero Section */
.hero-section {
    padding: 9rem 0 5rem;
    position: relative;
}
.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: grid;
    grid-template-columns: 0.95fr 1.05fr; /* Shift ratio slightly to favor image */
    gap: 3.5rem;
    align-items: center;
}
.hero-text .badge {
    margin-bottom: 1.5rem;
}
.hero-text h1 {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    line-height: 1.25;
    margin-bottom: 1.5rem;
}
.highlight-text {
    background: linear-gradient(120deg, var(--accent-green) 0%, var(--accent-amber) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.hero-desc {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    max-width: 540px;
}
.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

/* Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 2rem;
}
.stat-item {
    display: flex;
    flex-direction: column;
}
.stat-num {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
}
.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}
.stat-divider {
    width: 1px;
    height: 35px;
    background: var(--border-color);
}

/* Hero Image Wrapper */
.hero-image-wrapper {
    position: relative;
    display: flex;
    justify-content: center;
    width: 100%;
}
.hero-card {
    width: 100%;
    max-width: 580px; /* Allow SVG container to stretch up to 580px */
    padding: 1rem;
    overflow: hidden;
    position: relative;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
    animation: float-hero 6s ease-in-out infinite;
}
.hero-illustration {
    width: 100%;
    height: auto;
    border-radius: 12px;
    display: block;
    border: 1px solid rgba(255, 255, 255, 0.05);
}
.hero-card-badge {
    position: absolute;
    bottom: 1.8rem;
    left: 1.8rem;
    right: 1.8rem;
    background: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 8px;
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.85rem;
}
.hero-card-badge i {
    color: var(--accent-amber);
    font-size: 1.1rem;
}
.hero-card-badge span {
    font-family: var(--font-serif);
    color: var(--text-main);
}

@keyframes float-hero {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

/* Brew Section */
.brew-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 2.5rem;
    align-items: start;
}
.tea-card-list {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
}
.tea-option {
    display: flex;
    gap: 1.2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition);
}
.tea-option:hover {
    border-color: rgba(var(--accent-green-rgb), 0.4);
    transform: translateX(5px);
}
.tea-option.active {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border-color: var(--accent-green);
    box-shadow: 0 4px 20px rgba(var(--accent-green-rgb), 0.1);
}
.tea-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}
.green-icon {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
}
.oolong-icon {
    background: rgba(245, 158, 11, 0.1);
    color: #f59e0b;
}
.puer-icon {
    background: rgba(180, 83, 9, 0.1);
    color: #b45309;
}
.tea-info h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.tea-info h3 span {
    font-size: 0.8rem;
    font-weight: 400;
    color: var(--text-muted);
}
.tea-purpose {
    font-size: 0.8rem;
    color: var(--accent-green);
    font-weight: 600;
    margin-bottom: 0.4rem;
}
.tea-option.active .tea-purpose {
    color: var(--accent-amber);
}
.tea-detail {
    font-size: 0.85rem;
    line-height: 1.5;
}

/* Console & Visualizer Box */
.console-box {
    display: flex;
    flex-direction: column;
    height: 520px;
    overflow: hidden;
}
.console-header {
    background: rgba(0, 0, 0, 0.2);
    padding: 0.8rem 1.2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
}
.console-dots {
    display: flex;
    gap: 6px;
}
.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}
.dot.red { background-color: #ef4444; }
.dot.yellow { background-color: #f59e0b; }
.dot.green { background-color: #10b981; }

.console-title {
    font-family: monospace;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.console-status {
    font-family: monospace;
    font-size: 0.75rem;
    color: var(--accent-green);
    display: flex;
    align-items: center;
    gap: 4px;
}
.pulse-dot {
    width: 6px;
    height: 6px;
    background: var(--accent-green);
    border-radius: 50%;
    animation: pulse 1.5s infinite;
}

.brew-visualizer {
    background: rgba(0, 0, 0, 0.15);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid var(--border-color);
    position: relative;
}

/* Cup Animation styling */
.cup-container {
    position: relative;
    margin: 1.5rem 0 1.2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.tea-cup {
    width: 100px;
    height: 75px;
    position: relative;
    z-index: 2;
}
.cup-body {
    width: 100px;
    height: 75px;
    border: 4px solid var(--text-main);
    border-bottom-left-radius: 35px;
    border-bottom-right-radius: 35px;
    position: relative;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.03);
}
.cup-handle {
    width: 25px;
    height: 40px;
    border: 4px solid var(--text-main);
    border-left: none;
    border-top-right-radius: 15px;
    border-bottom-right-radius: 15px;
    position: absolute;
    top: 15px;
    right: -25px;
    z-index: 1;
}
.saucer {
    width: 130px;
    height: 8px;
    background: var(--text-main);
    border-radius: 4px;
    margin-top: 4px;
}
.tea-liquid {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 0%; /* Dynamic fill */
    background-color: rgba(16, 185, 129, 0.7); /* green tea default */
    transition: height 0.5s ease, background-color 0.5s ease;
}
.tea-leaves {
    position: absolute;
    width: 100%;
    height: 100%;
    pointer-events: none;
}
.leaf-particle {
    position: absolute;
    width: 6px;
    height: 3px;
    background: #047857;
    border-radius: 50% 0 50% 0;
    opacity: 0;
    transform: rotate(45deg);
}
.leaf-particle.float {
    animation: swirl-leaves 4s ease-in-out infinite;
}

@keyframes swirl-leaves {
    0% { transform: translateY(60px) translateX(10px) rotate(0deg); opacity: 0; }
    30% { opacity: 0.8; }
    50% { transform: translateY(30px) translateX(50px) rotate(180deg); }
    80% { opacity: 0.8; }
    100% { transform: translateY(5px) translateX(25px) rotate(360deg); opacity: 0; }
}

/* Steam particle generator style */
.steam-container {
    position: absolute;
    top: -45px;
    width: 80px;
    height: 40px;
    display: flex;
    justify-content: space-around;
}
.steam-bubble {
    width: 3px;
    height: 20px;
    background: rgba(255, 255, 255, 0.2);
    filter: blur(2px);
    border-radius: 50%;
    animation: float-steam 2s ease-in-out infinite;
}
.steam-bubble:nth-child(2) { animation-delay: 0.4s; animation-duration: 2.2s; }
.steam-bubble:nth-child(3) { animation-delay: 0.8s; animation-duration: 1.8s; }

@keyframes float-steam {
    0% { transform: translateY(15px) translateX(0) scaleY(1); opacity: 0; }
    50% { opacity: 0.5; transform: translateY(0) translateX(5px) scaleY(1.3); }
    100% { transform: translateY(-20px) translateX(-5px) scaleY(1.5); opacity: 0; }
}

.brew-controls {
    display: flex;
    align-items: center;
    gap: 2rem;
    width: 100%;
    justify-content: space-between;
    margin-top: 0.5rem;
}
.temp-gauge {
    display: flex;
    flex-direction: column;
}
.gauge-label {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.gauge-val {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-amber);
}
.btn-brew {
    background: var(--accent-green);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 0.6rem 1.4rem;
    font-weight: 600;
    cursor: pointer;
    font-size: 0.9rem;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: var(--transition);
}
.btn-brew:hover {
    background: var(--accent-green-hover);
    transform: translateY(-2px);
}
.btn-brew.brewing {
    background: var(--accent-amber);
    cursor: not-allowed;
}

/* Console logs */
.console-output {
    flex-grow: 1;
    background: rgba(0, 0, 0, 0.3);
    padding: 1.2rem;
    overflow-y: auto;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.log-line {
    white-space: pre-wrap;
    line-height: 1.4;
}
.log-line.system { color: var(--text-muted); }
.log-line.info { color: #38bdf8; }
.log-line.progress { color: var(--accent-amber); }
.log-line.success { color: var(--accent-green); }
.log-line.warning { color: #f87171; }

/* Zen Timer Section */
.timer-card-wrapper {
    max-width: 480px;
    margin: 0 auto;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}
.timer-tabs {
    display: flex;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 4px;
    margin-bottom: 2.5rem;
    width: 100%;
}
.timer-tab {
    flex: 1;
    background: transparent;
    border: none;
    padding: 0.6rem;
    border-radius: 16px;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: var(--transition);
}
.timer-tab.active {
    background: var(--accent-green);
    color: #ffffff;
}

.timer-display {
    position: relative;
    margin-bottom: 2rem;
}
.timer-ring {
    position: relative;
    width: 210px;
    height: 210px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.ring-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}
.ring-bg {
    fill: none;
    stroke: var(--bg-tertiary);
    stroke-width: 6;
}
.ring-progress {
    fill: none;
    stroke: var(--accent-green);
    stroke-width: 6;
    stroke-linecap: round;
    stroke-dasharray: 534; /* 2 * pi * r (85) */
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 0.3s linear, stroke 0.5s ease;
}
.timer-time {
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: -1px;
    color: var(--text-main);
    z-index: 2;
}

.timer-controls {
    display: flex;
    gap: 1.2rem;
    margin-bottom: 2rem;
    width: 100%;
}
.timer-btn {
    flex: 1;
    background: var(--accent-green);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    padding: 0.75rem;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    transition: var(--transition);
}
.timer-btn:hover {
    background: var(--accent-green-hover);
    transform: translateY(-1px);
}
.timer-btn.secondary {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-main);
}
.timer-btn.secondary:hover {
    background: var(--bg-tertiary);
}
.timer-btn.running {
    background: var(--accent-amber);
}
.timer-btn.running:hover {
    background: var(--accent-amber-hover);
}

.timer-quote {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    color: var(--text-muted);
    text-align: center;
    font-style: italic;
    min-height: 48px;
    display: flex;
    align-items: center;
}

/* Philosophy Section */
.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.philosophy-card {
    padding: 2.2rem 1.8rem;
    text-align: left;
}
.philosophy-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--accent-green-rgb), 0.3);
}
.card-icon {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    background: rgba(var(--accent-amber-rgb), 0.1);
    color: var(--accent-amber);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
}
.philosophy-card h3 {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    margin-bottom: 0.8rem;
}
.philosophy-card p {
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}
.project-card {
    padding: 2rem 1.8rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.project-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--accent-green-rgb), 0.3);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4);
}
.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
}
.project-tag {
    font-size: 0.75rem;
    background: var(--bg-tertiary);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    color: var(--text-main);
    font-weight: 500;
}
.project-tea-tag {
    font-size: 0.75rem;
    font-weight: 600;
}
.green-text { color: var(--accent-green); }
.oolong-text { color: var(--accent-amber); }
.puer-text { color: #b45309; }

.project-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    font-family: var(--font-serif);
}
.project-desc {
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1.8rem;
    flex-grow: 1;
}
.project-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    font-size: 0.85rem;
}
.project-link {
    color: var(--text-muted);
}
.project-link:hover {
    color: var(--text-main);
}
.project-stars {
    color: var(--text-muted);
}
.project-stars i {
    color: var(--accent-amber);
}

/* Footer Section */
.footer {
    background: #070a12;
    border-top: 1px solid var(--border-color);
    padding: 4rem 0 2.5rem;
    text-align: center;
}
body.light-theme .footer {
    background: #f1f5f9;
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}
.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-main);
}
.footer-logo i:first-child { color: var(--accent-green); }
.footer-logo i:last-child { color: var(--accent-amber); }

.footer-quote {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-style: italic;
}
.footer-links {
    display: flex;
    gap: 1.5rem;
}
.footer-links a {
    color: var(--text-muted);
    font-size: 1.3rem;
}
.footer-links a:hover {
    color: var(--text-main);
    transform: scale(1.1);
}
.footer-copyright {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    border-top: 1px solid var(--border-color);
    width: 100%;
    padding-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.icp-info {
    margin-top: 0.2rem;
}
.icp-info a {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--text-muted);
    transition: var(--transition);
}
.icp-info a:hover {
    color: var(--accent-green);
    text-decoration: underline;
}
.icp-icon {
    width: 14px;
    height: 14px;
    display: inline-block;
    vertical-align: middle;
}

/* Responsive Adjustments */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    .hero-desc {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-buttons {
        justify-content: center;
    }
    .hero-stats {
        justify-content: center;
    }
    .brew-grid {
        grid-template-columns: 1fr;
    }
    .philosophy-grid, .projects-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    .section {
        padding: 4rem 0;
    }
    .navbar {
        padding: 0.5rem 0;
    }
    .mobile-menu-toggle {
        display: flex;
    }
    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-secondary);
        border-bottom: 1px solid var(--border-color);
        flex-direction: column;
        padding: 1.5rem;
        gap: 1rem;
        display: none; /* JS controlled */
    }
    .nav-menu.active {
        display: flex;
    }
    .hero-text h1 {
        font-size: 2.5rem;
    }
    .philosophy-grid, .projects-grid {
        grid-template-columns: 1fr;
    }
}