:root {
    --bg-color: #0a0a0a;
    --text-primary: #f2f2f2;
    --text-secondary: #a0a0a0;
    --accent-blue: #2979ff;
    --accent-blue-rgb: 41, 121, 255;
    --accent-blue-glow: rgba(41, 121, 255, 0.15);
    --card-bg: rgba(255, 255, 255, 0.02);
    --card-border: rgba(255, 255, 255, 0.06);
    --card-hover-border: rgba(255, 255, 255, 0.15);
    --nav-bg: rgba(10, 10, 10, 0.85);
    --nav-border: rgba(255, 255, 255, 0.05);
    --hero-gradient: linear-gradient(180deg, rgba(10, 10, 10, 0) 0%, #0a0a0a 100%);
    --text-gradient: linear-gradient(135deg, #ffffff 0%, #a0a0a0 100%);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1.5rem;
    --spacing-md: 4rem;
    --spacing-lg: 8rem;
    --spacing-xl: 12rem;
    --font-main: 'Inter', system-ui, -apple-system, blinkmacsystemfont, "Segoe UI", roboto, ubuntu, sans-serif;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 24px;
    --ease-out-cubic: cubic-bezier(0.215, 0.61, 0.355, 1);
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.2s var(--ease-smooth);
    --transition-slow: 0.6s var(--ease-out-cubic)
}

[data-theme="light"] {
    --bg-color: #ffffff;
    --text-primary: #111111;
    --text-secondary: #555555;
    --accent-blue-glow: rgba(41, 121, 255, 0.1);
    --card-bg: #f8f9fa;
    --card-border: #e2e8f0;
    --card-hover-border: #cbd5e0;
    --nav-bg: rgba(255, 255, 255, 0.9);
    --nav-border: rgba(0, 0, 0, 0.05);
    --hero-gradient: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #ffffff 100%)
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    font-family: var(--font-main);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
    transition: background-color 0.4s var(--ease-smooth), color 0.4s var(--ease-smooth)
}

h1,
h2,
h3,
h4 {
    color: var(--text-primary);
    font-weight: 600;
    line-height: 1.2;
    letter-spacing: -0.02em;
    margin-bottom: 1rem
}

h1 {
    font-weight: 700;
    letter-spacing: -0.03em
}

p {
    color: var(--text-secondary);
    font-size: 1.05rem;
    font-weight: 400;
    max-width: 65ch
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem
}

.section {
    padding: var(--spacing-lg) 0;
    position: relative
}

.section-title {
    font-size: 3.5rem;
    margin-bottom: var(--spacing-md);
    text-align: center;
    font-weight: 700;
    letter-spacing: -0.04em;
    background: linear-gradient(to right, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(30px)
    }

    to {
        opacity: 1;
        transform: translateY(0)
    }
}

@keyframes glow {
    0% {
        box-shadow: 0 0 10px var(--accent-blue-glow)
    }

    50% {
        box-shadow: 0 0 25px var(--accent-blue-glow)
    }

    100% {
        box-shadow: 0 0 10px var(--accent-blue-glow)
    }
}

.fade-in-section {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s var(--ease-out-cubic), transform 1s var(--ease-out-cubic);
    will-change: opacity, transform
}

.fade-in-section.visible {
    opacity: 1;
    transform: translateY(0)
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--nav-border);
    padding: 1.2rem 0;
    transition: padding var(--transition-fast)
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    padding: 0 2rem
}

.logo-link {
    display: flex;
    align-items: center;
    opacity: 0.9;
    transition: opacity var(--transition-fast)
}

.logo-link:hover {
    opacity: 1
}

.logo-img {
    max-height: 42px;
    width: auto;
    object-fit: contain
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.01em;
    position: relative
}

.nav-links a:not(.btn-primary-small):hover {
    color: var(--text-primary)
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    z-index: 1001
}

.mobile-menu-btn span {
    display: block;
    height: 2px;
    width: 100%;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: all 0.3s ease
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(8px) rotate(45deg)
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg)
}

.btn-theme-toggle {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.3s ease
}

.btn-theme-toggle:hover {
    color: var(--text-primary)
}

.sun-icon {
    display: block
}

.moon-icon {
    display: none
}

[data-theme="light"] .sun-icon {
    display: none
}

[data-theme="light"] .moon-icon {
    display: block
}

.btn-primary,
.btn-secondary,
.btn-primary-small {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s var(--ease-out-cubic);
    cursor: pointer;
    letter-spacing: 0.02em;
    font-size: 0.95rem
}

.btn-primary {
    background-color: var(--accent-blue);
    color: #fff;
    padding: 0.8rem 2rem;
    border: none;
    box-shadow: 0 4px 20px rgba(41, 121, 255, 0.25);
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    text-align: left;
    height: auto
}

.btn-primary:hover {
    background-color: #3b82f6;
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 8px 30px rgba(41, 121, 255, 0.4)
}

.btn-whatsapp {
    background-color: #25D366;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.25)
}

.btn-whatsapp:hover {
    background-color: #34e076;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4)
}

.btn-content {
    display: flex;
    flex-direction: column;
    line-height: 1.1
}

.btn-text {
    font-weight: 600;
    font-size: 1rem
}

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

.btn-primary-small {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
    padding: 0.7rem 1.4rem;
    font-size: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px)
}

.btn-primary-small:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-1px)
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid var(--text-secondary);
    color: var(--text-primary);
    padding: 0.9rem 2rem
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.03);
    transform: translateY(-2px)
}

.hero-scroll-container {
    height: 300vh;
    position: relative;
    z-index: 10
}

.hero-sticky-wrapper {
    position: sticky;
    top: 0;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center
}

#hero-canvas {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
    z-index: -1;
    opacity: 0.8;
    filter: contrast(1.1) saturate(0.9)
}

.hero-sticky-wrapper::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at center, transparent 40%, var(--bg-color) 120%), linear-gradient(to bottom, transparent 70%, var(--bg-color) 100%);
    z-index: 1;
    pointer-events: none
}

.hero-content {
    text-align: center;
    z-index: 20;
    position: relative;
    max-width: 900px;
    padding: 0 2rem
}

.hero-title {
    font-size: 5rem;
    line-height: 1.05;
    margin-bottom: 2rem;
    background: linear-gradient(180deg, #FFFFFF 0%, #A0A0A0 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.04em;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 1.2s var(--ease-out-cubic) forwards 0.2s
}

.hero-subtext {
    font-size: 1.5rem;
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
    font-weight: 300;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeIn 1.2s var(--ease-out-cubic) forwards 0.5s
}

@media (prefers-reduced-motion:reduce) {
    .hero-scroll-container {
        height: 100vh
    }

    .hero-sticky-wrapper {
        position: relative
    }

    .hero-title,
    .hero-subtext,
    .fade-in-section {
        animation: none;
        opacity: 1;
        transform: none;
        transition: none
    }
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem
}

.card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 2.5rem 2rem;
    border-radius: var(--radius-md);
    transition: all 0.4s var(--ease-out-cubic);
    height: 100%;
    position: relative;
    overflow: hidden
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.4s ease
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--card-hover-border);
    background: rgba(255, 255, 255, 0.03);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4)
}

.card:hover::before {
    opacity: 1
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 2rem;
    display: block;
    filter: grayscale(1);
    transition: filter 0.3s ease
}

.card:hover .card-icon {
    filter: grayscale(0)
}

.card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 500
}

.card p {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary)
}

.services-section {
    border-top: 1px solid var(--card-border)
}

.why-section {
    position: relative;
    border-top: 1px solid var(--card-border)
}

.why-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem
}

.why-item {
    text-align: left;
    padding: 2.5rem;
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: var(--radius-md);
    transition: transform 0.3s var(--ease-out-cubic)
}

.why-item:hover {
    transform: translateY(-5px);
    border-color: var(--card-hover-border)
}

.why-item h3 {
    color: var(--text-primary);
    margin-bottom: 0;
    font-size: 1.1rem;
    font-weight: 500
}

.why-item .icon {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    display: block;
    color: var(--accent-blue)
}

.special-offer-card {
    background: radial-gradient(circle at top right, rgba(41, 121, 255, 0.05), transparent 60%), rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(41, 121, 255, 0.15);
    border-radius: var(--radius-lg);
    padding: 4rem;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px)
}

.special-offer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-blue), transparent);
    opacity: 0.5
}

.offer-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 2.5rem;
    border-bottom: 1px solid var(--card-border);
    padding-bottom: 2rem
}

.offer-header h3 {
    font-size: 1.8rem;
    max-width: 60%
}

.price-tag {
    color: var(--accent-blue);
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
    text-align: right
}

.price-tag small {
    display: block;
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin-top: 5px;
    letter-spacing: 0.05em;
    text-transform: uppercase
}

.offer-features {
    list-style: none;
    margin: 2.5rem 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 3rem
}

.offer-features li {
    display: flex;
    align-items: center;
    color: var(--text-primary);
    font-size: 1rem
}

.offer-features li::before {
    content: '→';
    color: var(--accent-blue);
    margin-right: 12px;
    font-weight: bold
}

.process-section {
    border-top: 1px solid var(--card-border)
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 2rem;
    position: relative;
    margin-top: 3rem
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 24px;
    left: 40px;
    right: 40px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--card-border) 20%, var(--card-border) 80%, transparent);
    z-index: 0
}

.step {
    position: relative;
    z-index: 1;
    background: var(--bg-color);
    padding: 0 1rem;
    text-align: center;
    transition: transform 0.3s ease
}

.step:hover {
    transform: translateY(-5px)
}

.step-number {
    font-family: var(--font-main);
    font-size: 1rem;
    font-weight: 700;
    color: var(--accent-blue);
    margin-bottom: 1.5rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: rgba(41, 121, 255, 0.05);
    border: 1px solid rgba(41, 121, 255, 0.1);
    border-radius: 50%;
    margin-left: auto;
    margin-right: auto;
    position: relative;
    z-index: 2
}

.step h3 {
    font-size: 1.1rem;
    margin-bottom: 0.75rem;
    font-weight: 600
}

.step p {
    font-size: 0.9rem;
    line-height: 1.5
}

.proof-section {
    background-color: var(--bg-color);
    border-top: 1px solid var(--card-border)
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem
}

.testimonial-card {
    background: transparent;
    padding: 0;
    border: none;
    position: relative
}

.testimonial-card::before {
    content: '“';
    position: absolute;
    top: -20px;
    left: -10px;
    font-size: 4rem;
    color: var(--card-border);
    font-family: serif;
    z-index: -1
}

.quote {
    font-size: 1.5rem;
    line-height: 1.4;
    color: var(--text-primary);
    margin-bottom: 2rem;
    font-weight: 400;
    letter-spacing: -0.02em
}

.author {
    font-size: 0.85rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 500
}

.author::before {
    content: '';
    display: inline-block;
    width: 20px;
    height: 1px;
    background: var(--accent-blue);
    margin-right: 10px;
    vertical-align: middle
}

.cta-section {
    text-align: center;
    padding: var(--spacing-xl) 0
}

.cta-container {
    max-width: 700px;
    margin: 0 auto
}

.cta-container h2 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    background: linear-gradient(180deg, #fff, #888);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent
}

.cta-container p {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    color: var(--text-secondary)
}

footer {
    padding: 3rem 0;
    text-align: center;
    border-top: 1px solid var(--card-border);
    background: #050505
}

.footer-logo {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
    display: block;
    letter-spacing: -0.02em
}

footer p {
    font-size: 0.8rem;
    color: #444
}

@media (max-width:1024px) {
    :root {
        --spacing-lg: 6rem;
        --spacing-xl: 8rem
    }

    .hero-title {
        font-size: 4rem
    }

    .grid-4,
    .why-grid {
        grid-template-columns: repeat(2, 1fr)
    }

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

    .process-steps::before {
        display: none
    }
}

@media (max-width:768px) {
    :root {
        --spacing-lg: 4rem;
        --spacing-md: 2.5rem
    }

    .container {
        padding: 0 1.5rem
    }

    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--bg-color);
        flex-direction: column;
        justify-content: center;
        z-index: 1000;
        gap: 2rem
    }

    .nav-links.active {
        display: flex
    }

    .mobile-menu-btn {
        display: flex
    }

    .nav-links a {
        font-size: 1.5rem
    }

    .grid-3,
    .grid-4,
    .services-grid,
    .why-grid,
    .testimonials-grid {
        grid-template-columns: 1fr
    }

    .hero-title {
        font-size: 3rem
    }

    .process-steps {
        grid-template-columns: 1fr
    }

    .special-offer-card {
        padding: 2rem
    }

    .offer-features {
        grid-template-columns: 1fr
    }

    .mobile-menu-btn {
        display: flex
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(16px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        transition: right 0.4s var(--ease-out-cubic);
        border-left: 1px solid var(--nav-border);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.5)
    }

    .nav-links.active {
        right: 0
    }

    .logo-img {
        max-height: 32px
    }
}