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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: #ffffff;
    background: linear-gradient(135deg, hsl(258, 78%, 8%) 0%, hsl(258, 60%, 12%) 50%, hsl(235, 60%, 10%) 100%);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
}

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

.container-small {
    max-width: 672px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Section */
.section {
    padding: 6rem 1rem;
    position: relative;
}

.section-gradient {
    background: linear-gradient(to bottom, hsl(258, 78%, 8%), hsl(258, 60%, 12%));
}

.section-gradient-reverse {
    background: linear-gradient(to bottom, hsl(258, 60%, 12%), hsl(258, 78%, 8%));
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
    animation: fadeIn 0.8s ease-out;
}

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

.section-description {
    font-size: 1.125rem;
    color: hsl(240, 5%, 75%);
    max-width: 48rem;
    margin: 0 auto;
}

.section-highlight {
    color: #ffffff;
    font-weight: 600;
}

.section-cta {
    text-align: center;
    animation: slideUp 0.6s ease-out;
    animation-delay: 0.6s;
    animation-fill-mode: both;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, hsl(185, 100%, 61%) 0%, hsl(320, 79%, 60%) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Glass Card Effect */
.glass-card {
    background: hsla(258, 60%, 12%, 0.3);
    backdrop-filter: blur(12px);
    border: 1px solid hsla(0, 0%, 100%, 0.1);
    box-shadow: 0 8px 32px 0 hsla(0, 0%, 0%, 0.37);
    border-radius: 1rem;
}

/* Neon Glow Effect */
.neon-glow {
    box-shadow: 0 0 20px hsla(185, 100%, 61%, 0.5), 0 0 40px hsla(320, 79%, 60%, 0.3);
}

/* Buttons */
.btn {
    font-family: 'Inter', sans-serif;
    font-size: 1.125rem;
    font-weight: 600;
    padding: 1.5rem 2rem;
    border-radius: 0.75rem;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-block;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(to right, hsl(185, 100%, 61%), hsl(320, 79%, 60%));
    color: hsl(258, 78%, 8%);
    box-shadow: 0 0 20px hsla(185, 100%, 61%, 0.5), 0 0 40px hsla(320, 79%, 60%, 0.3);
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    border: 2px solid hsl(258, 40%, 20%);
    color: #ffffff;
}

.btn-outline:hover {
    background: hsla(185, 100%, 61%, 0.1);
}

.btn-outline-primary {
    background: transparent;
    border: 2px solid hsl(185, 100%, 61%);
    color: hsl(185, 100%, 61%);
}

.btn-outline-primary:hover {
    background: hsla(185, 100%, 61%, 0.1);
}

.btn-full {
    width: 100%;
}

/* Hero Section */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    background-image: url('img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, hsla(258, 78%, 8%, 0.8), hsla(258, 78%, 8%, 0.6), hsl(258, 78%, 8%));
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 0;
    opacity: 0.3;
}

.particle {
    position: absolute;
    width: 24rem;
    height: 24rem;
    border-radius: 50%;
    filter: blur(64px);
    animation: float 6s ease-in-out infinite;
}

.particle-1 {
    top: 25%;
    left: 25%;
    background: hsla(185, 100%, 61%, 0.2);
}

.particle-2 {
    bottom: 25%;
    right: 25%;
    background: hsla(320, 79%, 60%, 0.2);
    animation-delay: 2s;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 1rem;
    animation: fadeIn 0.8s ease-out;
}

.hero-title {
    font-size: 3.125rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: hsl(240, 5%, 75%);
    margin-bottom: 3rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    align-items: center;
}

/* Comparison Section */
.comparison-grid {
    display: grid;
    gap: 2rem;
    max-width: 64rem;
    margin: 0 auto;
}

.comparison-card {
    background: hsla(258, 60%, 12%, 0.3);
    backdrop-filter: blur(12px);
    border: 1px solid hsla(0, 0%, 100%, 0.1);
    box-shadow: 0 8px 32px 0 hsla(0, 0%, 0%, 0.37);
    border-radius: 1rem;
    padding: 2rem;
    animation: slideUp 0.6s ease-out;
    animation-delay: 0.2s;
    animation-fill-mode: both;
}

.comparison-card-highlighted {
    box-shadow: 0 0 20px hsla(185, 100%, 61%, 0.5), 0 0 40px hsla(320, 79%, 60%, 0.3);
    animation-delay: 0.4s;
}

.comparison-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-align: center;
    color: hsl(240, 5%, 75%);
}

.comparison-title-highlighted {
    background: linear-gradient(135deg, hsl(185, 100%, 61%) 0%, hsl(320, 79%, 60%) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.comparison-items {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.comparison-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 0;
    border-bottom: 1px solid hsla(258, 40%, 20%, 0.3);
}

.comparison-item:last-child {
    border-bottom: none;
}

.comparison-item-highlighted {
    border-bottom-color: hsla(185, 100%, 61%, 0.3);
}

.comparison-label {
    color: hsl(240, 5%, 75%);
}

.comparison-value {
    font-size: 1.125rem;
    font-weight: 700;
}

.comparison-value-highlighted {
    color: hsl(185, 100%, 61%);
}

/* Features Section */
.features-background {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, hsl(258, 60%, 12%), hsl(258, 78%, 8%), hsl(258, 60%, 12%));
    opacity: 0.5;
}

.features-grid {
    display: grid;
    gap: 1.5rem;
}

.feature-card {
    background: hsla(258, 60%, 12%, 0.3);
    backdrop-filter: blur(12px);
    border: 1px solid hsla(0, 0%, 100%, 0.1);
    box-shadow: 0 8px 32px 0 hsla(0, 0%, 0%, 0.37);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    animation: slideUp 0.6s ease-out;
    animation-fill-mode: both;
}

.feature-card:hover {
    box-shadow: 0 0 20px hsla(185, 100%, 61%, 0.5), 0 0 40px hsla(320, 79%, 60%, 0.3);
    transform: translateY(-5px);
}

.feature-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
    background: linear-gradient(to bottom right, hsl(185, 100%, 61%), hsl(320, 79%, 60%));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: hsl(258, 78%, 8%);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.feature-description {
    color: hsl(240, 5%, 75%);
    font-size: 0.875rem;
}

/* Steps Section */
.steps-grid {
    display: grid;
    gap: 2rem;
    max-width: 80rem;
    margin: 0 auto 3rem;
}

.step-item {
    position: relative;
    text-align: center;
    animation: slideUp 0.6s ease-out;
    animation-fill-mode: both;
}

.step-line {
    display: none;
}

.step-number {
    width: 5rem;
    height: 5rem;
    border-radius: 50%;
    background: linear-gradient(to bottom right, hsl(185, 100%, 61%), hsl(320, 79%, 60%));
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.875rem;
    font-weight: 700;
    color: hsl(258, 78%, 8%);
    box-shadow: 0 0 20px hsla(185, 100%, 61%, 0.5), 0 0 40px hsla(320, 79%, 60%, 0.3);
}

.step-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
    background: hsla(258, 60%, 12%, 0.3);
    backdrop-filter: blur(12px);
    border: 1px solid hsla(0, 0%, 100%, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    color: hsl(185, 100%, 61%);
}

.step-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.step-description {
    color: hsl(240, 5%, 75%);
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    gap: 2rem;
    margin: 0 auto;
}

.portfolio-card {
    position: relative;
    aspect-ratio: 9/16;
    border-radius: 1rem;
    background: hsla(258, 60%, 12%, 0.3);
    backdrop-filter: blur(12px);
    border: 1px solid hsla(0, 0%, 100%, 0.1);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: slideUp 0.6s ease-out;
    animation-fill-mode: both;
}

.portfolio-card:hover {
    box-shadow: 0 0 20px hsla(185, 100%, 61%, 0.5), 0 0 40px hsla(320, 79%, 60%, 0.3);
}

.portfolio-card:hover .portfolio-play {
    transform: scale(1.1);
}

.portfolio-card:hover .portfolio-hover {
    opacity: 1;
}

.portfolio-gradient {
    position: absolute;
    inset: 0;
    opacity: 0.6;
}

.portfolio-pink .portfolio-gradient {
    background: linear-gradient(to bottom right, #ec4899, #9333ea);
}

.portfolio-blue .portfolio-gradient {
    background: linear-gradient(to bottom right, #3b82f6, #6366f1);
}

.portfolio-purple .portfolio-gradient {
    background: linear-gradient(to bottom right, #8b5cf6, #d946ef);
}

.portfolio-orange .portfolio-gradient {
    background: linear-gradient(to bottom right, #f97316, #facc15);
}

.portfolio-video-container {
    position: absolute;
    inset: 0;
    background: #000;
    overflow: hidden;
}

.portfolio-preview {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.portfolio-preview.is-ready {
    opacity: 1;
}

.portfolio-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-play {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.portfolio-play svg {
    width: 5rem;
    height: 5rem;
    background: hsla(258, 78%, 8%, 0.2);
    backdrop-filter: blur(4px);
    border: 1px solid hsla(255, 255%, 255%, 0.3);
    border-radius: 50%;
    padding: 1rem;
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 1.5rem;
    background: linear-gradient(to top, hsla(258, 78%, 8%, 0.9), transparent);
}

.portfolio-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.portfolio-description {
    font-size: 0.875rem;
    color: hsl(240, 5%, 75%);
}

.portfolio-hover {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, hsla(185, 100%, 61%, 0.2), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio-card.is-playing .portfolio-gradient,
.portfolio-card.is-playing .portfolio-play,
.portfolio-card.is-playing .portfolio-info,
.portfolio-card.is-playing .portfolio-hover {
    opacity: 0;
    pointer-events: none;
}

.portfolio-card.is-playing .portfolio-preview {
    opacity: 0;
}

.portfolio-card.is-playing .portfolio-video {
    opacity: 1;
}

/* Advantages Section */
.advantages-grid {
    display: grid;
    gap: 1.5rem;
    max-width: 64rem;
    margin: 0 auto;
}

.advantage-card {
    background: hsla(258, 60%, 12%, 0.3);
    backdrop-filter: blur(12px);
    border: 1px solid hsla(0, 0%, 100%, 0.1);
    box-shadow: 0 8px 32px 0 hsla(0, 0%, 0%, 0.37);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
    animation: slideUp 0.6s ease-out;
    animation-fill-mode: both;
}

.advantage-card:hover {
    box-shadow: 0 0 20px hsla(185, 100%, 61%, 0.5), 0 0 40px hsla(320, 79%, 60%, 0.3);
}

.advantage-card:hover .advantage-icon {
    transform: scale(1.1);
}

.advantage-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

.advantage-icon-yellow {
    background: linear-gradient(to bottom right, #facc15, #f97316);
}

.advantage-icon-green {
    background: linear-gradient(to bottom right, #4ade80, #10b981);
}

.advantage-icon-purple {
    background: linear-gradient(to bottom right, #c084fc, #ec4899);
}

.advantage-icon-red {
    background: linear-gradient(to bottom right, #f87171, #ec4899);
}

.advantage-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.advantage-description {
    font-size: 1.125rem;
    color: hsl(240, 5%, 75%);
}

/* About Section */
.about-particles {
    position: absolute;
    inset: 0;
}

.about-particle {
    position: absolute;
    width: 24rem;
    height: 24rem;
    border-radius: 50%;
    filter: blur(64px);
    animation: float 6s ease-in-out infinite;
}

.about-particle-1 {
    top: 25%;
    right: 25%;
    background: hsla(185, 100%, 61%, 0.1);
}

.about-particle-2 {
    bottom: 25%;
    left: 25%;
    background: hsla(320, 79%, 60%, 0.1);
    animation-delay: 3s;
}

.about-content {
    max-width: 64rem;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 10;
    animation: fadeIn 0.8s ease-out;
}

.about-content .section-title {
    margin-bottom: 2rem;
}

.about-card {
    background: hsla(258, 60%, 12%, 0.3);
    backdrop-filter: blur(12px);
    border: 1px solid hsla(0, 0%, 100%, 0.1);
    box-shadow: 0 8px 32px 0 hsla(0, 0%, 0%, 0.37);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
}

.about-text-main {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    line-height: 1.75;
}

.about-text-secondary {
    font-size: 1.125rem;
    color: hsl(240, 5%, 75%);
    line-height: 1.75;
}

/* Contact Form */
form {
    background: hsla(258, 60%, 12%, 0.3);
    backdrop-filter: blur(12px);
    border: 1px solid hsla(0, 0%, 100%, 0.1);
    box-shadow: 0 8px 32px 0 hsla(0, 0%, 0%, 0.37);
    border-radius: 1rem;
    padding: 3rem;
    animation: slideUp 0.6s ease-out;
}

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

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-input,
.form-textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    background: hsla(258, 78%, 8%, 0.5);
    border: 1px solid hsla(258, 40%, 20%, 0.5);
    border-radius: 0.75rem;
    color: #ffffff;
    font-family: 'Inter', sans-serif;
    font-size: 1rem;
    transition: border-color 0.3s ease;
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: hsl(185, 100%, 61%);
}

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

.form-privacy {
    font-size: 0.875rem;
    color: hsl(240, 5%, 75%);
    text-align: center;
    margin-top: 1rem;
}

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

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

@media (min-width: 768px) {
    .section-title {
        font-size: 3rem;
    }

    .hero-title {
        font-size: 4.5rem;
    }

    .comparison-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .steps-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .step-line {
        display: block;
        position: absolute;
        top: 4rem;
        left: 100%;
        width: 100%;
        height: 2px;
        background: linear-gradient(to right, hsl(185, 100%, 61%), hsl(320, 79%, 60%));
        opacity: 0.3;
    }

    .step-item:last-child .step-line {
        display: none;
    }

    .portfolio-grid {
        grid-template-columns: repeat(5, 1fr);
    }

    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    form {
        padding: 3rem;
    }
}

@media (min-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}


/* Mobile Navigation */
.mobile-header {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(14, 15, 20, 0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.menu-btn,
.close-btn {
    background: transparent;
    border: 1px solid hsl(220, 15%, 18%, 0.3);
    padding: 0.5rem;
    border-radius: 0.5rem;
    cursor: pointer;
    color: var(--foreground);
    transition: var(--transition);
}

.menu-btn:hover,
.close-btn:hover {
    border-color: hsl(0, 84%, 58%, 0.6);
}

.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 100;
    background: rgba(14, 15, 20, 0.95);
    backdrop-filter: blur(12px);
}

.mobile-menu.active {
    display: block;
}

.menu-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    border-bottom: 1px solid var(--border);
}

.mobile-nav {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.nav-item, .mobile-nav a, .mobile-nav span {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: rgba(27, 29, 36, 0.3);
    backdrop-filter: blur(12px);
    border: 1px solid hsl(220, 15%, 18%, 0.2);
    border-radius: 0.5rem;
    text-decoration: none;
    color: var(--foreground);
    font-weight: 500;
    font-size: 1.125rem;
    transition: var(--transition);
}

.nav-item:hover, .mobile-nav a:hover, .mobile-nav span:hover {
    border-color: hsl(0, 84%, 58%, 0.5);
    background: rgba(27, 29, 36, 0.5);
}

/* Desktop Navigation */
.desktop-nav {
    display: none;
    position: fixed;
    top: 2rem;
    right: 2rem;
    z-index: 100;
}

.nav-container {
    background: rgba(14, 15, 20, 0.95);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-icon, .nav-container a, .nav-container span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 1px solid hsl(220, 15%, 18%, 0.3);
    border-radius: 0.5rem;
    background: transparent;
    color: var(--foreground);
    text-decoration: none;
    transition: var(--transition);
}

.nav-icon:hover, .nav-container a:hover, .nav-container span:hover {
    border-color: hsl(0, 84%, 58%, 0.6);
    background: hsl(0, 84%, 58%, 0.1);
}


@media (min-width: 1024px) {
    .mobile-header {
        display: none;
    }
    
    .desktop-nav {
        display: block;
    }
    
    .pricing-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .hero-section {
        padding-top: 0;
    }
    
    .floating-dot {
        display: block;
    }
}


/* Footer */
.footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--border);
}

.footer-text {
    color: var(--muted-foreground);
}