/* ===== VARIABLES ===== */
:root {
    --primary-color: #667eea;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #4ade80;
    --warning-color: #fbbf24;
    --danger-color: #ef4444;
    
    --text-dark: #1f2937;
    --text-gray: #6b7280;
    --text-light: #9ca3af;
    
    --bg-light: #ffffff;
    --bg-gray: #f9fafb;
    --bg-dark: #111827;
    
    --border-color: #e5e7eb;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    
    --container-width: 1200px;
    --border-radius: 12px;
    --border-radius-sm: 8px;
}

/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background: var(--bg-light);
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.gradient-text {
    background: linear-gradient(135deg, var(--secondary-color) 0%, var(--accent-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.125rem;
    color: var(--text-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-gradient {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

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

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

.btn span {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.btn small {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.9;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-md);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.nav__list {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__link {
    color: var(--text-gray);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

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

.nav__link:hover,
.nav__link.active {
    color: var(--primary-color);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

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

.nav__toggle,
.nav__close {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-dark);
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.hero__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero__badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #fbbf2415 0%, #f093fb15 100%);
    border: 1px solid var(--warning-color);
    color: #b45309;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.hero__title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.hero__description {
    font-size: 1.25rem;
    color: var(--text-gray);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero__stats {
    display: flex;
    gap: 3rem;
    flex-wrap: wrap;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat strong {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-color);
}

.stat span {
    font-size: 0.875rem;
    color: var(--text-gray);
}

.hero__image {
    position: relative;
    z-index: 1;
}

/* ===== MOCKUP ===== */
.mockup {
    position: relative;
    animation: float 6s ease-in-out infinite;
}

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

.mockup__window {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.mockup__header {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    background: #f3f4f6;
    border-bottom: 1px solid var(--border-color);
}

.mockup__header span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ef4444;
}

.mockup__header span:nth-child(2) {
    background: #fbbf24;
}

.mockup__header span:nth-child(3) {
    background: #4ade80;
}

.mockup__content {
    padding: 2rem;
    min-height: 400px;
}

.task-demo {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.task-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-gray);
    border-radius: var(--border-radius-sm);
    transition: var(--transition);
    animation: slideIn 0.5s ease;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.task-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-md);
}

.task-item.completed {
    opacity: 0.6;
    text-decoration: line-through;
}

.checkbox {
    width: 24px;
    height: 24px;
    border: 2px solid var(--primary-color);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    background: var(--primary-color);
    font-weight: bold;
    flex-shrink: 0;
}

.task-item:not(.completed) .checkbox {
    background: transparent;
}

.priority {
    margin-left: auto;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.priority.high {
    background: #fee2e2;
    color: #dc2626;
}

.priority.medium {
    background: #fef3c7;
    color: #d97706;
}

.priority.low {
    background: #dbeafe;
    color: #2563eb;
}

/* ===== FEATURES SECTION ===== */
.features {
    padding: 80px 0;
    background: white;
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.feature-card {
    padding: 2rem;
    background: var(--bg-gray);
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 2px solid transparent;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.feature-card__icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.feature-card__description {
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===== BENEFITS SECTION ===== */
.benefits {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.benefits__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit-item {
    text-align: center;
    padding: 2rem;
    transition: var(--transition);
}

.benefit-item:hover {
    transform: scale(1.05);
}

.benefit-item__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.benefit-item h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.benefit-item p {
    opacity: 0.9;
    line-height: 1.7;
}

/* ===== PRICING SECTION ===== */
.pricing {
    padding: 80px 0;
    background: var(--bg-gray);
}

.pricing__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.pricing-card {
    padding: 2.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    position: relative;
    transition: var(--transition);
    border: 2px solid transparent;
}

.pricing-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.pricing-card--highlight {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.pricing-card--highlight:hover {
    transform: scale(1.08) translateY(-10px);
}

.pricing-card__badge {
    position: absolute;
    top: 0;
    right: 2rem;
    transform: translateY(-50%);
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.pricing-card__badge--best {
    background: linear-gradient(135deg, var(--warning-color) 0%, var(--danger-color) 100%);
}

.pricing-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.pricing-card__price {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.pricing-card__price .price {
    font-size: 3rem;
    font-weight: 900;
    color: var(--primary-color);
}

.pricing-card__price .currency {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-gray);
}

.pricing-card__note {
    color: var(--text-gray);
    margin-bottom: 2rem;
    font-size: 0.875rem;
}

.pricing-card__features {
    margin-bottom: 2rem;
}

.pricing-card__features li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-gray);
}

.pricing-card__features li:last-child {
    border-bottom: none;
}

.pricing-card__savings {
    text-align: center;
    margin-top: 1rem;
    color: var(--success-color);
    font-weight: 600;
    font-size: 0.875rem;
}

.pricing__note {
    text-align: center;
    color: var(--text-gray);
    max-width: 700px;
    margin: 0 auto;
}

.pricing__note p {
    margin-bottom: 0.5rem;
}

/* ===== DOWNLOAD SECTION ===== */
.download {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.download__title {
    font-size: 3rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
}

.download__description {
    font-size: 1.25rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.download__buttons {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
}

.download-btn {
    background: white;
    color: var(--primary-color);
    padding: 1.5rem 3rem;
    font-size: 1.125rem;
}

.download-btn:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.download__info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    opacity: 0.9;
}

/* ===== FAQ SECTION ===== */
.faq {
    padding: 80px 0;
    background: white;
}

.faq__grid {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    margin-bottom: 1rem;
    background: var(--bg-gray);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-md);
}

.faq-item__question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    user-select: none;
}

.faq-item__question h3 {
    font-size: 1.125rem;
    font-weight: 600;
}

.faq-item__icon {
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-item__icon {
    transform: rotate(45deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-item__answer {
    max-height: 500px;
}

.faq-item__answer p {
    padding: 0 1.5rem 1.5rem;
    color: var(--text-gray);
    line-height: 1.7;
}

/* ===== VIDEO DEMO SECTION ===== */
.video-demo {
    padding: 80px 0;
    background: white;
}

.video-demo__container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 3rem;
    align-items: start;
}

.video-wrapper {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-xl);
}

.video-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.video-features {
    background: var(--bg-gray);
    padding: 2rem;
    border-radius: var(--border-radius);
    border: 2px solid transparent;
    transition: var(--transition);
}

.video-features:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.video-features h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.video-features ul {
    list-style: none;
}

.video-features li {
    padding: 0.75rem 0;
    color: var(--text-gray);
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    line-height: 1.6;
}

.video-features li::before {
    content: '✓';
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.video-features li:not(:last-child) {
    border-bottom: 1px solid var(--border-color);
}

/* ===== FOOTER ===== */
.footer {
    padding: 60px 0 30px;
    background: var(--bg-dark);
    color: white;
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer__logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer__description {
    color: #9ca3af;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-link:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer__col h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer__links li {
    margin-bottom: 0.75rem;
}

.footer__links a {
    color: #9ca3af;
    transition: var(--transition-fast);
}

.footer__links a:hover {
    color: white;
    padding-left: 5px;
}

.footer__bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: #6b7280;
    font-size: 0.875rem;
}

.footer__bottom p {
    margin-bottom: 0.5rem;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .hero__title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: white;
        padding: 6rem 2rem 2rem;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
        transition: var(--transition);
    }
    
    .nav__menu.show {
        right: 0;
    }
    
    .nav__list {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .nav__toggle,
    .nav__close {
        display: block;
    }
    
    .nav__toggle {
        position: relative;
        z-index: 1001;
        margin-left: auto;
        margin-right: 1rem;
    }
    
    .nav__buttons {
        gap: 0.5rem;
        flex-direction: row-reverse;
        flex: 1;
        justify-content: flex-end;
        padding-right: 0.75rem;
    }
    
    .nav__buttons .btn-primary {
        padding: 0.65rem 1rem;
        font-size: 0.813rem;
        white-space: nowrap;
        flex-shrink: 0;
    }
    
    .nav__close {
        position: absolute;
        top: 1.5rem;
        right: 1.5rem;
    }
    
    .hero__container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .hero__title {
        font-size: 2.5rem;
    }
    
    .hero__buttons {
        flex-direction: column;
    }
    
    .hero__stats {
        gap: 2rem;
    }
    
    .mockup__content {
        padding: 1rem;
        min-height: 300px;
    }
    
    .pricing__grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card--highlight {
        transform: scale(1);
    }
    
    .footer__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .download__title {
        font-size: 2rem;
    }
    
    .video-demo__container {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero__title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .btn-large {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

/* ===== ANIMATIONS ===== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(50px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-50px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(50px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.8);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}

/* ===== FEATURES PAGE STYLES ===== */

/* Features Hero Section */
.features-hero {
    padding: 140px 0 80px;
    background: linear-gradient(180deg, #f9fafb 0%, #ffffff 100%);
    text-align: center;
}

.features-hero__content {
    max-width: 900px;
    margin: 0 auto 4rem;
}

.features-hero__title {
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.features-hero__subtitle {
    font-size: 1.25rem;
    color: var(--text-gray);
    line-height: 1.7;
}

/* Features Stats */
.features-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.stat-card {
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.stat-card__number {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.stat-card__label {
    color: var(--text-gray);
    font-weight: 500;
}

/* Features Section */
.features-section {
    padding: 80px 0;
    background: white;
}

.features-section .section-title {
    text-align: center;
    margin-bottom: 4rem;
}

/* Feature Detail */
.feature-detail {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 6rem;
}

.feature-detail.reverse {
    direction: rtl;
}

.feature-detail.reverse > * {
    direction: ltr;
}

.feature-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.feature-detail__title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.feature-detail__text {
    font-size: 1.125rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.feature-detail__list {
    list-style: none;
}

.feature-detail__list li {
    padding: 0.75rem 0;
    color: var(--text-gray);
    font-size: 1.05rem;
    line-height: 1.6;
}

/* Mockup Screen */
.mockup-screen {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.mockup-screen__header {
    display: flex;
    gap: 0.5rem;
    padding: 1rem;
    background: #f3f4f6;
    border-bottom: 1px solid var(--border-color);
}

.mockup-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #ef4444;
}

.mockup-dot:nth-child(2) {
    background: #fbbf24;
}

.mockup-dot:nth-child(3) {
    background: #4ade80;
}

.mockup-screen__content {
    padding: 2rem;
    min-height: 300px;
    background: #fafafa;
}

/* Task Card Demo */
.task-card-demo {
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
    border-left: 4px solid;
    box-shadow: var(--shadow-sm);
}

.task-card-demo.high {
    border-left-color: #ef4444;
}

.task-card-demo.medium {
    border-left-color: #fbbf24;
}

.task-card-demo__priority {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.task-card-demo.high .task-card-demo__priority {
    background: #fee2e2;
    color: #dc2626;
}

.task-card-demo.medium .task-card-demo__priority {
    background: #fef3c7;
    color: #d97706;
}

.task-card-demo__title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.task-card-demo__meta {
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* Project Card Demo */
.project-card-demo {
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1rem;
    border-left: 4px solid;
    box-shadow: var(--shadow-sm);
}

.project-card-demo__name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

.project-card-demo__progress {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.progress-bar {
    flex: 1;
    height: 8px;
    background: #e5e7eb;
    border-radius: 50px;
    overflow: hidden;
}

.progress-bar__fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 50px;
    transition: width 0.3s ease;
}

.project-card-demo__progress span {
    font-size: 0.875rem;
    color: var(--text-gray);
    white-space: nowrap;
}

/* View Switcher Demo */
.view-switcher-demo {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
    padding: 1rem;
}

.view-btn {
    padding: 0.75rem 1.25rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-gray);
}

.view-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

/* Comment Demo */
.comment-demo {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-sm);
}

.comment-demo__avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    flex-shrink: 0;
}

.comment-demo__content {
    flex: 1;
}

.comment-demo__author {
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.comment-demo__text {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
    line-height: 1.5;
}

.comment-demo__time {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Timer Demo */
.timer-demo {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
}

.timer-demo__display {
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-family: 'Courier New', monospace;
}

.timer-demo__task {
    font-size: 1rem;
    color: var(--text-gray);
    margin-bottom: 1.5rem;
}

.timer-demo__controls {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

.timer-btn {
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

.timer-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.timer-btn.stop {
    background: var(--danger-color);
}

/* Chart Demo */
.chart-demo {
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
}

.chart-demo__title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.chart-demo__bars {
    display: flex;
    align-items: flex-end;
    gap: 1rem;
    height: 150px;
}

.bar {
    flex: 1;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: 8px 8px 0 0;
    position: relative;
    transition: var(--transition);
    min-height: 20px;
}

.bar:hover {
    transform: translateY(-5px);
    filter: brightness(1.1);
}

.bar__label {
    position: absolute;
    bottom: -25px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.75rem;
    color: var(--text-gray);
}

/* Additional Features */
.additional-features {
    padding: 80px 0;
    background: var(--bg-gray);
}

.additional-features .section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.mini-feature-card {
    padding: 2rem;
    background: white;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 2px solid transparent;
}

.mini-feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.mini-feature-card__icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.mini-feature-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--text-dark);
}

.mini-feature-card__text {
    color: var(--text-gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Comparison Section */
.comparison-section {
    padding: 80px 0;
    background: white;
}

.comparison-section .section-title {
    text-align: center;
    margin-bottom: 1rem;
}

.section-subtitle {
    text-align: center;
    color: var(--text-gray);
    font-size: 1.125rem;
    margin-bottom: 4rem;
}

.comparison-table {
    overflow-x: auto;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.comparison-table thead {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
}

.comparison-table th {
    padding: 1.5rem;
    text-align: left;
    font-weight: 700;
    font-size: 1.125rem;
}

.comparison-table th:first-child {
    border-radius: var(--border-radius) 0 0 0;
}

.comparison-table th:last-child {
    border-radius: 0 var(--border-radius) 0 0;
}

.comparison-table td {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-gray);
}

.comparison-table tbody tr:last-child td {
    border-bottom: none;
}

.comparison-table tbody tr:hover {
    background: var(--bg-gray);
}

.comparison-table .positive {
    color: var(--success-color);
    font-weight: 600;
}

.comparison-table .negative {
    color: var(--danger-color);
    font-weight: 600;
}

.comparison-table .partial {
    color: var(--warning-color);
    font-weight: 600;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: var(--bg-gray);
}

.cta-box {
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    border-radius: var(--border-radius);
    text-align: center;
    color: white;
    box-shadow: var(--shadow-xl);
}

.cta-box__title {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
}

.cta-box__text {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
}

.cta-box__buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive for Features Page */
@media (max-width: 768px) {
    .features-hero__title {
        font-size: 2.5rem;
    }

    .features-stats {
        grid-template-columns: 1fr;
    }

    .feature-detail {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-bottom: 4rem;
    }

    .feature-detail.reverse {
        direction: ltr;
    }

    .feature-detail__title {
        font-size: 1.75rem;
    }

    .mockup-screen__content {
        padding: 1rem;
        min-height: 200px;
    }

    .timer-demo__display {
        font-size: 2rem;
    }

    .comparison-table {
        font-size: 0.875rem;
    }

    .comparison-table th,
    .comparison-table td {
        padding: 0.75rem;
    }

    .cta-box {
        padding: 2.5rem 1.5rem;
    }

    .cta-box__title {
        font-size: 2rem;
    }

    .cta-box__buttons {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .features-hero__title {
        font-size: 2rem;
    }

    .stat-card__number {
        font-size: 2.5rem;
    }

    .feature-detail__title {
        font-size: 1.5rem;
    }

    .mini-feature-card {
        padding: 1.5rem;
    }

    .cta-box__title {
        font-size: 1.75rem;
    }
}