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

:root {
    /* Colors - HSL format */
    --primary: hsl(266, 67%, 50%);
    --primary-light: hsl(266, 67%, 60%);
    --secondary: hsl(240, 5%, 96%);
    --highlight: hsl(40, 100%, 50%);
    --highlight-dark: hsl(350, 85%, 65%);
    --cyan: hsl(195, 100%, 50%);
    --cyan-light: hsl(195, 100%, 70%);
    --foreground: hsl(240, 10%, 3.9%);
    --muted-foreground: hsl(240, 3.8%, 46.1%);
    --white: hsl(0, 0%, 100%);
    --dark-bg: hsl(220, 15%, 12%);
    
    /* Fonts */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

body {
    font-family: var(--font-body);
    line-height: 1.6;
    color: var(--foreground);
    background: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Animations */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

@keyframes scale-in {
    from {
        transform: scale(0.95);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(138, 55, 200, 0.1);
    z-index: 50;
    transition: all 0.3s ease;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 6rem;
}

.header-logo {
    height: 3.5rem;
    transition: transform 0.3s ease;
}

.header-logo:hover {
    transform: scale(1.05);
}

.btn-download-header {
    height: 3.5rem;
    padding: 0 2rem;
    font-size: 1rem;
    font-family: var(--font-heading);
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), var(--cyan));
    color: var(--white);
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

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

.btn-download-header .icon {
    width: 1.25rem;
    height: 1.25rem;
}

/* Hero Section */
.hero {
    position: relative;
    background: linear-gradient(to bottom right, var(--primary), hsl(266, 67%, 45%), var(--cyan));
    color: var(--white);
    padding: 12rem 0 10rem;
    margin-top: 6rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-bg-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.hero-bg-circle-1 {
    top: 5rem;
    right: 0;
    width: 24rem;
    height: 24rem;
    background: rgba(0, 222, 255, 0.2);
    animation: pulse 3s infinite;
}

.hero-bg-circle-2 {
    bottom: 0;
    left: 0;
    width: 31.25rem;
    height: 31.25rem;
    background: rgba(255, 92, 143, 0.1);
}

.hero-bg-circle-3 {
    top: 50%;
    left: 25%;
    width: 16rem;
    height: 16rem;
    background: rgba(255, 255, 255, 0.05);
    filter: blur(80px);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 10;
}

@media (min-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6rem;
    }
}

.hero-content {
    animation: fade-in 0.6s ease-out;
}

.hero-badge {
    display: inline-block;
    margin-bottom: 1.5rem;
}

.hero-badge span {
    display: block;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 171, 0, 0.9);
    color: var(--foreground);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    line-height: 0.95;
    letter-spacing: -0.025em;
    margin-bottom: 1.5rem;
}

@media (min-width: 1024px) {
    .hero-title {
        font-size: 6rem;
    }
}

.hero-title-line {
    display: block;
    filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.15));
}

.hero-title-gradient {
    background: linear-gradient(to right, var(--white), var(--cyan-light), var(--white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: pulse 2s infinite;
}

.hero-divider {
    height: 0.5rem;
    width: 8rem;
    background: linear-gradient(to right, var(--highlight), var(--cyan), transparent);
    border-radius: 9999px;
    margin-bottom: 2.5rem;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 300;
    margin-bottom: 2.5rem;
    line-height: 1.6;
    filter: drop-shadow(0 10px 8px rgba(0, 0, 0, 0.04));
}

@media (min-width: 1024px) {
    .hero-subtitle {
        font-size: 1.875rem;
    }
}

.btn-download-hero {
    height: 4rem;
    padding: 0 2.5rem;
    font-size: 1.125rem;
    font-family: var(--font-heading);
    font-weight: 700;
    background: var(--white);
    color: var(--primary);
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
}

.btn-download-hero:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.05);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.btn-download-hero .icon-bounce:hover {
    animation: bounce 0.5s infinite;
}

.icon {
    width: 1.5rem;
    height: 1.5rem;
}

.hero-image-wrapper {
    position: relative;
    animation: fade-in 0.6s ease-out;
}

@media (min-width: 1024px) {
    .hero-image-wrapper {
        animation: scale-in 0.6s ease-out;
    }
}

.hero-image-glow {
    position: absolute;
    inset: -2rem;
    background: linear-gradient(to right, var(--primary), var(--cyan), var(--highlight-dark));
    opacity: 0.3;
    filter: blur(100px);
    border-radius: 1.5rem;
    animation: pulse 3s infinite;
}

.hero-image-container {
    position: relative;
    transform: scale(1);
    transition: all 0.7s ease;
}

.hero-image-container:hover {
    transform: scale(1.05) rotate(2deg);
}

.hero-image-bg {
    position: absolute;
    inset: -1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: 1.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.hero-image {
    position: relative;
    width: 100%;
    max-width: 32rem;
    margin: 0 auto;
    filter: drop-shadow(0 25px 25px rgba(0, 0, 0, 0.15));
    border-radius: 1rem;
}

.hero-badge-free {
    position: absolute;
    top: -1.5rem;
    right: -1.5rem;
    background: linear-gradient(to bottom right, var(--highlight), var(--highlight-dark));
    color: var(--white);
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: rotate(12deg);
    transition: transform 0.3s ease;
}

.hero-badge-free:hover {
    transform: rotate(0deg);
}

.hero-badge-free p {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

/* Benefits Section */
.benefits {
    position: relative;
    padding: 10rem 0;
    background: linear-gradient(to bottom, var(--white), rgba(240, 242, 245, 0.3), var(--white));
    overflow: hidden;
}

.benefits-bg {
    position: absolute;
    inset: 0;
}

.benefits-bg-circle {
    position: absolute;
    width: 24rem;
    height: 24rem;
    border-radius: 50%;
    filter: blur(100px);
}

.benefits-bg-circle-1 {
    top: 0;
    left: 25%;
    background: rgba(138, 55, 200, 0.05);
}

.benefits-bg-circle-2 {
    bottom: 0;
    right: 25%;
    background: rgba(0, 222, 255, 0.05);
}

.section-header {
    text-align: center;
    max-width: 56rem;
    margin: 0 auto 6rem;
    position: relative;
    z-index: 10;
}

.section-badge {
    display: inline-block;
    margin-bottom: 1.5rem;
}

.section-badge span {
    display: block;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(to right, rgba(138, 55, 200, 0.1), rgba(0, 222, 255, 0.1));
    border: 1px solid rgba(138, 55, 200, 0.2);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--primary);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 3.75rem;
    font-weight: 900;
    margin-bottom: 2rem;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

@media (min-width: 1024px) {
    .section-title {
        font-size: 4.5rem;
    }
}

.section-title-gradient {
    background: linear-gradient(to right, var(--primary), var(--cyan), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-divider {
    height: 0.5rem;
    width: 8rem;
    background: linear-gradient(to right, var(--primary), var(--cyan), transparent);
    border-radius: 9999px;
    margin: 0 auto 2rem;
}

.section-subtitle {
    font-size: 1.5rem;
    color: var(--muted-foreground);
    font-weight: 300;
    line-height: 1.6;
}

@media (min-width: 1024px) {
    .section-subtitle {
        font-size: 1.875rem;
    }
}

.benefits-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 87.5rem;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

@media (min-width: 768px) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2.5rem;
    }
}

@media (min-width: 1024px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.benefit-card {
    position: relative;
    padding: 3rem;
    background: var(--white);
    border-radius: 1.5rem;
    overflow: hidden;
    transition: all 0.5s ease;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    animation: fade-in 0.6s ease-out forwards;
    opacity: 0;
}

.benefit-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.benefit-card-featured {
    grid-column: span 1;
}

@media (min-width: 768px) {
    .benefit-card-featured {
        grid-column: span 2;
    }
}

.benefit-card-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom right, rgba(138, 55, 200, 0), rgba(0, 222, 255, 0));
    transition: all 0.5s ease;
}

.benefit-card:hover .benefit-card-bg {
    background: linear-gradient(to bottom right, rgba(138, 55, 200, 0.05), rgba(0, 222, 255, 0.05));
}

.benefit-content {
    position: relative;
    z-index: 10;
}

.benefit-icon-wrapper {
    margin-bottom: 2rem;
    display: inline-flex;
}

.benefit-icon-bg {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 1rem;
    background: linear-gradient(to bottom right, var(--primary), var(--cyan));
    padding: 0.125rem;
    width: 5rem;
    height: 5rem;
    transition: all 0.5s ease;
}

.benefit-icon-featured {
    width: 6rem;
    height: 6rem;
}

.benefit-card:hover .benefit-icon-bg {
    transform: scale(1.1) rotate(6deg);
}

.benefit-icon-inner {
    width: 100%;
    height: 100%;
    background: var(--white);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-icon {
    width: 2.5rem;
    height: 2.5rem;
    color: var(--primary);
}

.benefit-icon-featured .benefit-icon {
    width: 3rem;
    height: 3rem;
}

.benefit-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
    line-height: 1.2;
}

@media (min-width: 1024px) {
    .benefit-title {
        font-size: 1.875rem;
    }
}

.benefit-title-featured {
    font-size: 2.25rem;
}

@media (min-width: 1024px) {
    .benefit-title-featured {
        font-size: 3rem;
    }
}

.benefit-description {
    font-size: 1.125rem;
    color: var(--muted-foreground);
    line-height: 1.6;
}

@media (min-width: 1024px) {
    .benefit-description {
        font-size: 1.25rem;
    }
}

.benefit-description-featured {
    font-size: 1.25rem;
}

@media (min-width: 1024px) {
    .benefit-description-featured {
        font-size: 1.5rem;
    }
}

.benefit-featured-badge {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(138, 55, 200, 0.1);
}

.benefit-featured-badge span {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(138, 55, 200, 0.6);
}

/* Contents Section */
.contents {
    position: relative;
    background: linear-gradient(to bottom right, var(--primary), hsl(266, 67%, 45%), var(--cyan));
    color: var(--white);
    padding: 10rem 0;
    overflow: hidden;
}

.contents-bg {
    position: absolute;
    inset: 0;
}

.contents-bg-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.contents-bg-circle-1 {
    top: 25%;
    right: 0;
    width: 37.5rem;
    height: 37.5rem;
    background: rgba(0, 222, 255, 0.2);
    animation: pulse 3s infinite;
}

.contents-bg-circle-2 {
    bottom: 0;
    left: 0;
    width: 31.25rem;
    height: 31.25rem;
    background: rgba(255, 255, 255, 0.05);
}

.contents-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 10;
}

@media (min-width: 1024px) {
    .contents-grid {
        grid-template-columns: 1fr 1fr;
        gap: 6rem;
    }
}

.contents-image-wrapper {
    position: relative;
    order: 2;
}

@media (min-width: 1024px) {
    .contents-image-wrapper {
        order: 1;
        transform: scale(1.1) translateX(3rem);
    }
}

.contents-image-glow {
    position: absolute;
    inset: -2rem;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.2), rgba(0, 222, 255, 0.3), transparent);
    filter: blur(100px);
    border-radius: 1.5rem;
}

.contents-image {
    position: relative;
    width: 100%;
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    border: 4px solid rgba(255, 255, 255, 0.2);
    transition: all 0.5s ease;
}

.contents-image:hover {
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.contents-badge {
    position: absolute;
    padding: 1rem 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transition: transform 0.3s ease;
}

.contents-badge:hover {
    transform: scale(1.1);
}

.contents-badge-1 {
    top: -1.5rem;
    right: -1.5rem;
    background: var(--white);
    color: var(--primary);
    max-width: 18rem;
}

.contents-badge-title {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    margin-bottom: 0.25rem;
}

.contents-badge-subtitle {
    font-size: 0.75rem;
    opacity: 0.8;
    margin: 0;
}

.contents-badge-2 {
    top: 33.333%;
    left: -2rem;
    background: linear-gradient(to bottom right, var(--highlight), var(--highlight-dark));
    color: var(--white);
    text-align: center;
}

.contents-badge-number {
    font-size: 1.5rem;
    font-weight: 900;
    margin: 0;
}

.contents-badge-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

.contents-badge-3 {
    bottom: 3rem;
    right: -1rem;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(4px);
    color: var(--primary);
    max-width: 18rem;
}

.contents-badge-check {
    font-size: 0.875rem;
    font-weight: 700;
    margin: 0;
}

.contents-badge-detail {
    font-size: 0.75rem;
    opacity: 0.7;
    margin: 0.25rem 0 0;
}

.contents-content {
    order: 1;
}

@media (min-width: 1024px) {
    .contents-content {
        order: 2;
    }
}

.section-badge-white {
    display: inline-block;
    margin-bottom: 1.5rem;
}

.section-badge-white span {
    display: block;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 9999px;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.contents-title {
    font-family: var(--font-heading);
    font-size: 3.75rem;
    font-weight: 900;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
    line-height: 1.05;
}

@media (min-width: 1024px) {
    .contents-title {
        font-size: 4.5rem;
    }
}

.contents-title-gradient {
    display: block;
    background: linear-gradient(to right, var(--white), var(--cyan-light), var(--white));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contents-divider {
    height: 0.5rem;
    width: 8rem;
    background: linear-gradient(to right, var(--highlight), transparent);
    border-radius: 9999px;
    margin-bottom: 2rem;
}

.contents-benefits {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.contents-benefit {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.contents-benefit:hover {
    background: rgba(255, 255, 255, 0.15);
}

.contents-benefit-icon {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background: var(--highlight);
    display: flex;
    align-items: center;
    justify-content: center;
}

.contents-benefit-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--white);
}

.contents-benefit-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.contents-benefit-text {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    margin: 0;
}

.btn-download-contents {
    height: 4rem;
    padding: 0 2.5rem;
    font-size: 1.125rem;
    font-family: var(--font-heading);
    font-weight: 700;
    background: var(--white);
    color: var(--primary);
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
}

.btn-download-contents:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: scale(1.05);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* Topics Section */
.topics {
    position: relative;
    padding: 10rem 0;
    background: linear-gradient(to bottom, var(--white), rgba(240, 242, 245, 0.2), var(--white));
    overflow: hidden;
}

.topics-bg {
    position: absolute;
    inset: 0;
}

.topics-bg-circle {
    position: absolute;
    width: 24rem;
    height: 24rem;
    border-radius: 50%;
    filter: blur(100px);
}

.topics-bg-circle-1 {
    top: 25%;
    left: 0;
    background: rgba(138, 55, 200, 0.05);
}

.topics-bg-circle-2 {
    bottom: 25%;
    right: 0;
    background: rgba(0, 222, 255, 0.05);
}

.topics-list {
    max-width: 80rem;
    margin: 0 auto;
    display: grid;
    gap: 1.5rem;
    position: relative;
    z-index: 10;
}

@media (min-width: 1024px) {
    .topics-list {
        gap: 2rem;
    }
}

.topic-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--white);
    border-radius: 1.5rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transition: all 0.5s ease;
    animation: fade-in 0.5s ease-out forwards;
    opacity: 0;
}

@media (min-width: 1024px) {
    .topic-item {
        gap: 2rem;
        padding: 2.5rem;
    }
}

.topic-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.topic-number {
    flex-shrink: 0;
    position: relative;
    width: 3.5rem;
    height: 3.5rem;
}

@media (min-width: 1024px) {
    .topic-number {
        width: 4rem;
        height: 4rem;
    }
}

.topic-number::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom right, var(--primary), var(--cyan));
    border-radius: 1rem;
    transition: all 0.5s ease;
}

.topic-item:hover .topic-number::before {
    transform: scale(1.1) rotate(6deg);
}

.topic-number span {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--white);
}

@media (min-width: 1024px) {
    .topic-number span {
        font-size: 1.875rem;
    }
}

.topic-text {
    flex: 1;
    padding-top: 0.5rem;
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--foreground);
    transition: color 0.3s ease;
    margin: 0;
}

@media (min-width: 1024px) {
    .topic-text {
        font-size: 1.25rem;
    }
}

.topic-item:hover .topic-text {
    color: var(--primary);
}

.topic-arrow {
    flex-shrink: 0;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    background: linear-gradient(to bottom right, rgba(138, 55, 200, 0.1), rgba(0, 222, 255, 0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.topic-item:hover .topic-arrow {
    opacity: 1;
}

.topic-arrow svg {
    width: 1rem;
    height: 1rem;
    color: var(--primary);
}

/* Download Section */
.download {
    position: relative;
    background: linear-gradient(to bottom right, var(--primary), hsl(266, 67%, 45%), var(--cyan));
    color: var(--white);
    padding: 10rem 0;
    overflow: hidden;
}

.download-bg {
    position: absolute;
    inset: 0;
}

.download-bg-circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
}

.download-bg-circle-1 {
    top: 0;
    right: 25%;
    width: 37.5rem;
    height: 37.5rem;
    background: rgba(0, 222, 255, 0.2);
    animation: pulse 3s infinite;
}

.download-bg-circle-2 {
    bottom: 0;
    left: 25%;
    width: 31.25rem;
    height: 31.25rem;
    background: rgba(255, 255, 255, 0.05);
}

.download-content {
    max-width: 64rem;
    margin: 0 auto;
    position: relative;
    z-index: 10;
}

.download-stats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 4rem;
}

@media (min-width: 1024px) {
    .download-stats {
        gap: 3rem;
    }
}

.download-stat {
    text-align: center;
}

.download-stat-number {
    font-family: var(--font-heading);
    font-size: 3.75rem;
    font-weight: 900;
    margin-bottom: 0.5rem;
}

@media (min-width: 1024px) {
    .download-stat-number {
        font-size: 4.5rem;
    }
}

.download-stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (min-width: 1024px) {
    .download-stat-label {
        font-size: 1rem;
    }
}

.download-card {
    background: var(--white);
    border-radius: 1.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    overflow: hidden;
}

.download-card-inner {
    padding: 2.5rem;
}

@media (min-width: 1024px) {
    .download-card-inner {
        padding: 4rem;
    }
}

.download-header {
    text-align: center;
    margin-bottom: 3rem;
}

.download-title {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 900;
    color: var(--foreground);
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
    line-height: 1.05;
}

@media (min-width: 1024px) {
    .download-title {
        font-size: 3.75rem;
    }
}

.download-title-gradient {
    display: block;
    background: linear-gradient(to right, var(--primary), var(--cyan), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-subtitle {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    margin: 0 0 2rem;
}

@media (min-width: 1024px) {
    .download-subtitle {
        font-size: 1.5rem;
    }
}

.download-benefits {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

@media (min-width: 768px) {
    .download-benefits {
        grid-template-columns: repeat(3, 1fr);
    }
}

.download-benefit {
    text-align: center;
    padding: 1.5rem;
    background: rgba(240, 242, 245, 0.3);
    border-radius: 1rem;
}

.download-benefit-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.75rem;
    background: linear-gradient(to bottom right, var(--primary), var(--cyan));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.download-benefit-icon svg {
    width: 1.5rem;
    height: 1.5rem;
    color: var(--white);
}

.download-benefit-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.download-benefit-text {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin: 0;
}

.download-form {
    max-width: 42rem;
    margin: 0 auto;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .form-row {
        grid-template-columns: repeat(2, 1fr);
    }
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    color: var(--foreground);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 1rem;
    font-size: 1.125rem;
    border: 2px solid hsl(240, 5.9%, 90%);
    border-radius: 0.75rem;
    transition: all 0.3s ease;
    font-family: var(--font-body);
}

.form-input {
    height: 3.5rem;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(138, 55, 200, 0.1);
}

.form-textarea {
    min-height: 7.5rem;
    resize: vertical;
}

.btn-submit {
    width: 100%;
    height: 4rem;
    font-size: 1.25rem;
    font-family: var(--font-heading);
    font-weight: 900;
    background: linear-gradient(to right, var(--primary), var(--cyan));
    color: var(--white);
    border: none;
    border-radius: 9999px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    transition: all 0.3s ease;
}

.btn-submit:hover {
    transform: scale(1.02);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.btn-submit .icon {
    width: 1.75rem;
    height: 1.75rem;
}

.form-privacy {
    font-size: 0.875rem;
    text-align: center;
    color: var(--muted-foreground);
    line-height: 1.6;
    padding-top: 1rem;
    margin: 0;
}

.download-trust {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(138, 55, 200, 0.1);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.trust-badge {
    text-align: center;
}

.trust-icon {
    font-size: 1.875rem;
    font-weight: 900;
    color: var(--primary);
    margin-bottom: 0.25rem;
}

.trust-label {
    font-size: 0.75rem;
    color: var(--muted-foreground);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Footer */
.footer {
    background: var(--dark-bg);
    color: var(--white);
    padding: 5rem 0;
}

@media (min-width: 1024px) {
    .footer {
        padding: 6rem 0;
    }
}

.footer-content {
    max-width: 87.5rem;
    margin: 0 auto;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    margin-bottom: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 1024px) {
    .footer-main {
        grid-template-columns: 1fr 1fr;
        gap: 5rem;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-logo-wrapper {
    display: inline-block;
    background: var(--white);
    padding: 1.5rem;
    border-radius: 1rem;
    width: fit-content;
}

.footer-logo {
    height: 4rem;
}

.footer-description {
    font-size: 1.125rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    max-width: 32rem;
    margin: 0;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-link-btn {
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 0.75rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--white);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-link-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.footer-links-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2.5rem;
}

@media (min-width: 768px) {
    .footer-links-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.footer-heading {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
    letter-spacing: -0.025em;
}

.footer-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-list-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.875rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.footer-list-link:hover {
    color: var(--white);
}

.footer-list-dot {
    width: 0.375rem;
    height: 0.375rem;
    border-radius: 50%;
    background: var(--highlight);
    transition: width 0.3s ease;
}

.footer-list-link:hover .footer-list-dot {
    width: 1.5rem;
}

.footer-contact {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
    .footer-contact {
        grid-template-columns: repeat(2, 1fr);
    }
}

.footer-contact-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-contact-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 1rem;
    letter-spacing: -0.025em;
}

.footer-contact-text {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-contact-email {
    color: var(--highlight);
    font-weight: 600;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact-email:hover {
    text-decoration: underline;
}

.footer-partners {
    margin-bottom: 4rem;
}

.footer-partners-label {
    text-align: center;
    margin-bottom: 2.5rem;
}

.footer-partners-label p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    margin: 0;
}

.footer-partners-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 3rem;
}

@media (min-width: 1024px) {
    .footer-partners-logos {
        gap: 4rem;
    }
}

.footer-partner-link {
    display: block;
    transition: transform 0.3s ease;
}

.footer-partner-link:hover {
    transform: scale(1.05);
}

.footer-partner-box {
    background: rgba(255, 255, 255, 0.05);
    padding: 1.5rem;
    border-radius: 1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.footer-partner-link:hover .footer-partner-box {
    background: rgba(255, 255, 255, 0.1);
}

.footer-partner-logo {
    height: 2.5rem;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-partner-link:hover .footer-partner-logo {
    opacity: 1;
}

.footer-partner-logo-invert {
    filter: brightness(0) invert(1);
}

.footer-copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-copyright p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.5);
    margin: 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero {
        padding: 8rem 0 6rem;
    }
    
    .benefits,
    .contents,
    .topics,
    .download {
        padding: 6rem 0;
    }
    
    .hero-title,
    .section-title,
    .contents-title,
    .download-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle,
    .section-subtitle {
        font-size: 1.25rem;
    }
}