:root {
    /* Colors - Bright, Fresh & Professional Orange/Slate Theme */
    --color-sage: #FF5C00;        /* Primary Vibrant Orange Accent */
    --color-sage-light: #F0F9FF;  /* Fresh Cool Light Ice-Blue (Clean & Professional) */
    --color-rose: #FFE4D6;        /* Fresh Peach */
    --color-rose-light: #FFF0E6;  /* Clearly distinct warm peach background */
    --color-brown: #0F172A;       /* Deep Slate/Dark Navy for high contrast text/buttons */
    --color-brown-light: #F8FAFC; /* Clean Light Cool Slate */
    --color-yellow: #FF8A3C;      /* Secondary warm orange accent */
    --color-yellow-light: #FFF2E6; /* Clearly distinct warm orange background */
    
    --primary: var(--color-sage);
    --secondary: var(--color-rose);
    --accent: var(--color-brown);
    --highlight: var(--color-yellow);
    
    --text-dark: #2C2C2B;
    --text-muted: #6B6B69;
    --bg-white: #FCFCFB;
    --border: rgba(15, 23, 42, 0.09);
    
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.03);
    --shadow-medium: 0 20px 40px rgba(0, 0, 0, 0.06);
    --glass: rgba(252, 252, 251, 0.8);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-serif: 'Playfair Display', 'Noto Serif TC', serif;
    --font-body: 'Noto Sans TC', sans-serif;
    
    --text-base: 18px;
    --lh-body: 1.8;
    --lh-heading: 1.25;
    
    /* Spacing */
    --section-padding: 120px 5%;
    --container-max: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: var(--text-base);
}

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

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: var(--lh-heading);
    letter-spacing: -0.02em;
}

.serif {
    font-family: var(--font-serif);
    font-weight: 600;
}

.italic-serif {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 500;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s ease;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* Components */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border: none;
    font-family: var(--font-heading);
}

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

.btn-primary:hover {
    background-color: #E05200;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(255, 92, 0, 0.2);
}

.btn-outline {
    background: transparent;
    border: 1.5px solid var(--accent);
    color: var(--accent);
}

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

.section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent);
    margin-bottom: 20px;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 24px;
    color: var(--text-dark);
    letter-spacing: -1px;
}

/* Background Utility Classes */
.bg-sage { background-color: var(--color-sage-light); }
.bg-rose { background-color: var(--color-rose-light); }
.bg-brown { background-color: var(--color-brown-light); }
.bg-yellow { background-color: var(--color-yellow-light); }
.bg-white { background-color: var(--bg-white); }

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 900;
    font-size: 1.2rem;
}

.logo-img {
    height: 54px;
    width: auto;
    object-fit: contain;
}

.logo-text h1 {
    font-size: 1.1rem;
    letter-spacing: -0.5px;
}

.logo-text span {
    font-size: 0.6rem;
    font-weight: 800;
    color: var(--accent);
    display: block;
    margin-top: -2px;
}

.nav-links {
    display: flex;
    gap: 24px;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent);
    font-weight: 700;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-btn {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--accent);
}

/* Hero Section */
.hero {
    padding: 180px 0 100px;
    background: radial-gradient(circle at 90% 10%, var(--color-yellow-light) 0%, transparent 40%);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    align-items: center;
    gap: 80px;
}

/* Hero Title Styling */
.hero-title {
    display: flex;
    flex-direction: column;
    gap: 12px;
    line-height: 1.2;
    margin-bottom: 28px;
}

.hero-title .line-intro {
    font-family: var(--font-body);
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-brown);
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}

.hero-title .tech-badge {
    font-family: var(--font-heading);
    font-weight: 800;
    background: linear-gradient(135deg, var(--color-brown) 0%, #1e293b 100%);
    color: white;
    padding: 6px 20px;
    border-radius: 14px;
    font-size: 2.3rem;
    letter-spacing: -0.5px;
    box-shadow: 0 8px 20px rgba(15, 23, 42, 0.15);
    display: inline-block;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.hero-title .tech-badge:hover {
    transform: scale(1.06) rotate(-1.5deg);
    box-shadow: 0 12px 28px rgba(15, 23, 42, 0.25);
}

.hero-title .line-transition {
    font-family: var(--font-body);
    font-size: 2.3rem;
    font-weight: 400;
    color: #475569;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.hero-title .tedious-text {
    color: #94a3b8;
    position: relative;
    font-weight: 500;
    transition: all 0.3s ease;
    cursor: default;
    display: inline-block;
}

.hero-title .tedious-text::after {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 100%;
    height: 4px;
    background-color: var(--color-sage);
    transform: translateY(-50%) scaleX(1);
    transition: all 0.3s ease;
}

.hero-title .tedious-text:hover {
    color: #cbd5e1;
}

.hero-title .tedious-text:hover::after {
    background-color: #ef4444;
    transform: translateY(-50%) scaleX(1.1) rotate(-1deg);
}

.hero-title .line-highlight {
    font-family: var(--font-serif);
    font-weight: 900;
    font-size: 4rem;
    background: linear-gradient(135deg, var(--color-sage) 0%, var(--color-yellow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    position: relative;
    padding-bottom: 8px;
    letter-spacing: 2px;
}

.hero-title .line-highlight::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--color-sage), var(--color-yellow));
    border-radius: 3px;
    transform: scaleX(0.2);
    transform-origin: left;
    transition: transform 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.hero-title:hover .line-highlight::after {
    transform: scaleX(1);
}

/* Media Queries for Hero Title */
@media (max-width: 1400px) {
    .hero-title .line-intro { font-size: 2.2rem; }
    .hero-title .tech-badge { font-size: 2rem; }
    .hero-title .line-transition { font-size: 2rem; }
    .hero-title .line-highlight { font-size: 3.4rem; }
}

@media (max-width: 1024px) {
    .hero-title {
        align-items: center;
        text-align: center;
    }
    .hero-title .line-intro,
    .hero-title .line-transition {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero-title .line-intro { font-size: 1.8rem; }
    .hero-title .tech-badge { font-size: 1.6rem; padding: 4px 14px; border-radius: 10px; }
    .hero-title .line-transition { font-size: 1.6rem; }
    .hero-title .line-highlight { font-size: 2.8rem; }
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 540px;
}

.hero-btns {
    display: flex;
    gap: 20px;
}

.hero-image {
    position: relative;
}

.hero-image img {
    border-radius: 40px;
    box-shadow: var(--shadow-medium);
}

.hero-badge {
    position: absolute;
    bottom: -20px;
    left: -20px;
    background: white;
    padding: 24px;
    border-radius: 24px;
    box-shadow: var(--shadow-medium);
    max-width: 240px;
}

.hero-badge p {
    font-size: 0.85rem;
    font-weight: 700;
    margin: 0;
    line-height: 1.4;
}

/* Entry Points */
.entry-points {
    padding: var(--section-padding);
}

.entry-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.entry-card {
    padding: 60px 40px;
    border-radius: 40px;
    border: 1px solid var(--border);
    background-color: var(--bg-white);
    box-shadow: var(--shadow-soft);
    transition: all 0.5s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.entry-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-medium);
}

.entry-icon {
    width: 70px;
    height: 70px;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 32px;
}

.entry-card h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.entry-card p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 32px;
}

.entry-link {
    font-weight: 800;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-bottom: 3px solid;
    padding-bottom: 6px;
}

/* Roadmap Section */
.roadmap {
    padding: var(--section-padding);
}

.roadmap-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 80px;
}

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.roadmap-step {
    position: relative;
    padding: 40px;
    background: white;
    border-radius: 32px;
    border: 1px solid rgba(15, 23, 42, 0.08);
    box-shadow: 0 10px 30px rgba(15, 23, 42, 0.03);
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    overflow: hidden;
}

.roadmap-step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px;
    background: linear-gradient(90deg, var(--color-sage), var(--color-yellow));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.roadmap-step:hover {
    transform: translateY(-8px);
    background-color: white;
    border-color: rgba(255, 92, 0, 0.2);
    box-shadow: 0 20px 40px rgba(255, 92, 0, 0.08);
}

.roadmap-step:hover::before {
    opacity: 1;
}

.step-number {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-sage);
    opacity: 0.12;
    position: absolute;
    top: 15px;
    right: 24px;
    transition: all 0.4s ease;
}

.roadmap-step:hover .step-number {
    opacity: 0.3;
    transform: scale(1.1);
}

.roadmap-step h4 {
    font-size: 1.3rem;
    margin-bottom: 16px;
    position: relative;
    z-index: 1;
}

/* Pricing Section */
.pricing {
    padding: var(--section-padding);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.price-card {
    padding: 50px 30px;
    border-radius: 40px;
    border: 1px solid var(--border);
    background-color: var(--bg-white);
    box-shadow: var(--shadow-soft);
    display: flex;
    flex-direction: column;
    transition: all 0.4s ease;
}

.price-card.featured {
    border: 2px solid var(--accent);
    transform: scale(1.05);
    box-shadow: var(--shadow-medium);
}

.price-tag {
    font-weight: 900;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.price-card h4 {
    font-size: 1.5rem;
    margin-bottom: 32px;
}

.price-features {
    margin-bottom: 40px;
    flex-grow: 1;
}

.price-features li {
    font-size: 0.9rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-muted);
}

.price-features li::before {
    content: '✓';
    font-weight: 900;
}

/* Founder Section */
.founder {
    padding: var(--section-padding);
}

.founder-grid {
    display: grid;
    grid-template-columns: 1fr 1.4fr;
    gap: 100px;
    align-items: center;
}

.founder-img {
    position: relative;
}

.founder-img img {
    border-radius: 50px;
    width: 100%;
    box-shadow: var(--shadow-medium);
}

.founder-quote {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 40px;
}

.founder-text {
    font-size: 1.15rem;
    line-height: 1.8;
}

/* Footer */
footer {
    background-color: var(--accent); /* Deep Navy-Slate matching the logo outline */
    color: #FFFFFF;
    padding: 100px 5% 60px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 80px;
    margin-bottom: 80px;
}

.footer-logo h1 {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: #FFFFFF;
}

.footer-col h5 {
    margin-bottom: 32px;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #FFFFFF;
}

.footer-col ul li {
    margin-bottom: 16px;
}

.footer-col ul li a {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
}

.footer-col ul li a:hover {
    color: var(--primary); /* Vibrant orange matching logo highlight */
}

.footer-bottom {
    padding-top: 50px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.4);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom a:hover {
    color: #FFFFFF;
}

/* Responsive */
@media (max-width: 1400px) {
    .hero-grid { gap: 40px; }
    .hero-content h2 { font-size: 3.8rem; }
}

@media (max-width: 1200px) {
    .pricing-grid { grid-template-columns: repeat(2, 1fr); }
    .price-card.featured { transform: none; }
}

@media (max-width: 1024px) {
    .nav-links { display: none; }
    .mobile-menu-btn { display: block; }
    .hero-grid { grid-template-columns: 1fr; text-align: center; }
    .hero-content p { margin-left: auto; margin-right: auto; }
    .hero-btns { justify-content: center; }
    .hero-image { order: -1; max-width: 600px; margin: 0 auto; }
    .founder-grid { grid-template-columns: 1fr; text-align: center; }
    .founder-img { max-width: 500px; margin: 0 auto; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 40px; }
}

@media (max-width: 768px) {
    html { font-size: 16px; }
    .entry-grid { grid-template-columns: 1fr; }
    .roadmap-grid { grid-template-columns: 1fr; }
    .pricing-grid { grid-template-columns: 1fr; }
    .section-title { font-size: 2.2rem; }
    .hero-content h2 { font-size: 2.8rem; }
}