@import url("https://fonts.googleapis.com/css2?family=Montserrat:ital,wght@0,100..900;1,100..900&display=swap");

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

:root {
    --color-black: #0a0a0a;
    --color-dark: #1a1a1a;
    --color-darker: #0d0d0d;
    --color-red: #dc143c;
    --color-red-dark: #b01030;
    --color-red-light: #ff1744;
    --color-red-glow: rgba(220, 20, 60, 0.3);
    --color-white: #ffffff;
    --color-gray: #888888;
    --color-gray-light: #cccccc;
    --color-gray-dark: #333333;

    --font-primary: "Montserrat", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
    --font-size-base: 18px;
    --font-size-small: 14px;
    --font-size-large: 24px;
    --line-height: 1.7;

    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 32px;
    --spacing-lg: 64px;
    --spacing-xl: 96px;

    --container-width: 1200px;
    --container-padding: 24px;

    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px var(--color-red-glow);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
}

body::-webkit-scrollbar {
    width: 8px;
}

body::-webkit-scrollbar-track {
    background: transparent;
}

body::-webkit-scrollbar-thumb {
    background-color: var(--color-red);
    border-radius: 20px;
    border: 3px solid transparent;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    line-height: var(--line-height);
    color: var(--color-white);
    background-color: var(--color-black);
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style-position: inside;
}

/* ===================================
   PARTICLE BACKGROUND
   =================================== */
.particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    background:
        radial-gradient(ellipse at top, rgba(220, 20, 60, 0.05) 0%, transparent 50%),
        radial-gradient(ellipse at bottom, rgba(220, 20, 60, 0.03) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-black) 0%, var(--color-darker) 100%);
}

.particles-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(220, 20, 60, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(220, 20, 60, 0.2), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 255, 255, 0.1), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(255, 255, 255, 0.1), transparent);
    background-size: 200% 200%, 180% 180%, 150% 150%, 220% 220%;
    background-position: 0% 0%, 100% 100%, 50% 50%, 80% 20%;
    animation: particleFloat 20s ease-in-out infinite;
}

@keyframes particleFloat {

    0%,
    100% {
        background-position: 0% 0%, 100% 100%, 50% 50%, 80% 20%;
    }

    50% {
        background-position: 100% 100%, 0% 0%, 70% 70%, 20% 80%;
    }
}

/* ===================================
   CONTAINER
   =================================== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    position: relative;
    z-index: 1;
}

/* ===================================
   NAVIGATION
   =================================== */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(220, 20, 60, 0.1);
    transition: var(--transition-normal);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 24px;
    font-weight: 700;
    transition: var(--transition-fast);
}

.logo:hover {
    transform: translateY(-2px);
}

.logo-icon img {
    height: 42px;
    filter: drop-shadow(0 0 10px var(--color-red-glow));
}

.logo-text {
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--color-red);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    list-style: none;
}

.nav-link {
    font-size: 16px;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%) scaleX(0);
    width: 80%;
    height: 2px;
    background: var(--color-red);
    transition: var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: translateX(-50%) scaleX(1);
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-red-light);
}

.btn-nav-cta {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition-fast);
    box-shadow: 0 4px 15px rgba(220, 20, 60, 0.3);
}

.btn-nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 20, 60, 0.5);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 28px;
    height: 3px;
    background: var(--color-white);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* ===================================
   BUTTONS
   =================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 18px 40px;
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    color: var(--color-white);
    font-size: 18px;
    font-weight: 600;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 8px 25px rgba(220, 20, 60, 0.4);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(220, 20, 60, 0.6);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-large {
    padding: 22px 50px;
    font-size: 20px;
}

.btn-xl {
    padding: 26px 60px;
    font-size: 22px;
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 36px;
    background: transparent;
    color: var(--color-white);
    font-size: 16px;
    font-weight: 600;
    border: 2px solid var(--color-red);
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--color-red);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(220, 20, 60, 0.4);
}

.btn-text {
    position: relative;
    z-index: 1;
}

.btn-icon {
    font-size: 24px;
    transition: var(--transition-fast);
}

.btn-primary:hover .btn-icon,
.btn-secondary:hover .btn-icon {
    transform: translateX(5px);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 100px;
    overflow: hidden;
}

.hero-glow {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(220, 20, 60, 0.2) 0%, transparent 70%);
    filter: blur(80px);
    pointer-events: none;
    animation: pulseGlow 4s ease-in-out infinite;
}

@keyframes pulseGlow {

    0%,
    100% {
        opacity: 0.5;
        transform: translate(-50%, -50%) scale(1);
    }

    50% {
        opacity: 0.8;
        transform: translate(-50%, -50%) scale(1.1);
    }
}

.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

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

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

.hero-title {
    font-size: clamp(48px, 8vw, 85px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero-title-line {
    display: block;
    animation: fadeInUp 1s ease-out backwards;
}

.hero-title-line:nth-child(1) {
    animation-delay: 0.1s;
}

.hero-title-line:nth-child(2) {
    animation-delay: 0.2s;
}

.hero-title-line:nth-child(3) {
    animation-delay: 0.3s;
}

.hero-title-accent {
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 30px var(--color-red-glow));
}

.hero-subtitle {
    font-size: clamp(18px, 3vw, 24px);
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
    animation: fadeInUp 1s ease-out 0.4s backwards;
}

.btn-hero {
    animation: fadeInUp 1s ease-out 0.5s backwards;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-lg);
    animation: fadeInUp 1s ease-out 0.6s backwards;
}

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

.stat-number {
    font-size: 48px;
    font-weight: 900;
    color: var(--color-red);
    line-height: 1;
    margin-bottom: 8px;
    text-shadow: 0 0 20px var(--color-red-glow);
}

.stat-label {
    font-size: 14px;
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: var(--color-gray);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 2px;
    animation: fadeIn 1s ease-out 1s backwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-red), transparent);
    animation: scrollAnimation 2s ease-in-out infinite;
}

@keyframes scrollAnimation {

    0%,
    100% {
        transform: translateY(0);
        opacity: 0;
    }

    50% {
        transform: translateY(20px);
        opacity: 1;
    }
}

/* ===================================
   BEFORE/AFTER SECTION
   =================================== */
.before-after-section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

.section-title {
    font-size: clamp(40px, 6vw, 72px);
    font-weight: 900;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
    letter-spacing: -1px;
}

.title-line {
    display: block;
}

.article-page .section-title {
    font-size: clamp(30px, 6vw, 42px) !important;
}

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

.section-subtitle {
    text-align: center;
    font-size: 20px;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-lg);
}

.before-after-container {
    max-width: 900px;
    margin: 0 auto var(--spacing-lg);
}

.before-after-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4/3;
}

.before-image,
.after-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.before-image img,
.after-image video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.after-image {
    clip-path: polygon(50% 0, 100% 0, 100% 100%, 50% 100%);
    transition: clip-path 0.1s ease;
}

.image-label {
    position: absolute;
    top: 20px;
    padding: 8px 20px;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 10;
}

.label-before {
    left: 20px;
    color: var(--color-gray-light);
}

.label-after {
    right: 20px;
    color: var(--color-red-light);
}

.slider-control {
    position: absolute;
    top: 0;
    left: 50%;
    width: 4px;
    height: 100%;
    background: var(--color-white);
    cursor: ew-resize;
    z-index: 20;
    transform: translateX(-50%);
}

.slider-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: var(--color-white);
    color: var(--color-red);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 20px rgba(220, 20, 60, 0.5);
    transition: var(--transition-fast);
}

.slider-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.slider-line {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--color-white);
}

.cta-center {
    text-align: center;
    margin-top: var(--spacing-lg);
}

/* ===================================
   FEATURES SECTION
   =================================== */
.features-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(220, 20, 60, 0.02) 50%, transparent 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.feature-card {
    padding: var(--spacing-md);
    background: rgba(26, 26, 26, 0.5);
    border: 1px solid rgba(220, 20, 60, 0.1);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(220, 20, 60, 0.1) 0%, transparent 100%);
    opacity: 0;
    transition: var(--transition-normal);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-red);
    box-shadow: 0 12px 30px rgba(220, 20, 60, 0.3);
}

.feature-icon {
    margin-bottom: var(--spacing-sm);
}

.feature-icon img {
    height: 128px;
    filter: drop-shadow(0 0 10px var(--color-red-glow));
}

.feature-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-white);
}

.feature-text {
    font-size: 16px;
    color: var(--color-gray-light);
    line-height: 1.6;
}

/* ===================================
   PROCESS SECTION
   =================================== */
.process-section {
    padding: var(--spacing-xl) 0;
}

.process-steps {
    margin-top: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.process-step {
    display: grid;
    grid-template-columns: 100px 1fr 1fr;
    gap: var(--spacing-md);
    align-items: center;
    position: relative;
}

.process-step:nth-child(even) .step-content {
    order: 2;
}

.process-step:nth-child(even) .step-visual {
    order: 3;
}

.step-number {
    font-size: 72px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    opacity: 0.3;
}

.step-content {
    padding: var(--spacing-md);
}

.step-title {
    font-size: 32px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.step-text {
    font-size: 18px;
    color: var(--color-gray-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-sm);
}

.step-visual {
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.step-visual:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 40px rgba(220, 20, 60, 0.3);
}

.step-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===================================
   DEMO SECTION
   =================================== */
.demo-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(220, 20, 60, 0.03) 50%, transparent 100%);
}

.demo-container {
    max-width: 700px;
    margin: var(--spacing-lg) auto 0;
}

.upload-area {
    padding: var(--spacing-lg);
    border: 3px dashed rgba(220, 20, 60, 0.3);
    border-radius: var(--radius-lg);
    text-align: center;
    background: rgba(26, 26, 26, 0.3);
    transition: var(--transition-normal);
    cursor: pointer;
}

.upload-area:hover {
    border-color: var(--color-red);
    background: rgba(26, 26, 26, 0.5);
}

.upload-icon {
    font-size: 80px;
    margin-bottom: var(--spacing-sm);
    filter: drop-shadow(0 0 15px var(--color-red-glow));
}

.upload-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.upload-text {
    font-size: 16px;
    color: var(--color-gray);
    margin-bottom: var(--spacing-md);
}

.btn-upload {
    padding: 14px 32px;
    background: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-red);
    border-radius: 50px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-upload:hover {
    background: var(--color-red);
    transform: translateY(-2px);
}

.demo-result {
    text-align: center;
}

.result-preview {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-height: 450px;
    margin-bottom: var(--spacing-md);
}

.result-preview img {
    width: 100%;
}

#resultImage {
    filter: blur(6px);
}

.processing-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 10, 10, 0.9);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.processing-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(220, 20, 60, 0.2);
    border-top-color: var(--color-red);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.processing-text {
    font-size: 18px;
    font-weight: 600;
}

.progress-bar {
    width: 80%;
    height: 6px;
    background: rgba(220, 20, 60, 0.2);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-red) 0%, var(--color-red-light) 100%);
    width: 0%;
    transition: width 0.3s ease;
}

.demo-notice {
    margin-top: var(--spacing-md);
    padding: var(--spacing-sm);
    background: rgba(220, 20, 60, 0.1);
    border-left: 4px solid var(--color-red);
    border-radius: var(--radius-sm);
    text-align: center;
    font-size: 14px;
    color: var(--color-gray-light);
}

/* ===================================
   FINAL CTA SECTION
   =================================== */
.final-cta-section {
    padding: var(--spacing-xl) 0;
    position: relative;
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 1000px;
    height: 1000px;
    background: radial-gradient(circle, rgba(220, 20, 60, 0.15) 0%, transparent 70%);
    filter: blur(100px);
    pointer-events: none;
}

.final-cta-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.final-cta-title {
    font-size: clamp(40px, 6vw, 64px);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: -1px;
}

.final-cta-text {
    font-size: 20px;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
    flex-wrap: wrap;
}

.cta-feature {
    font-size: 14px;
    color: var(--color-gray);
    padding: 8px 16px;
    background: rgba(26, 26, 26, 0.5);
    border-radius: 50px;
    border: 1px solid rgba(220, 20, 60, 0.2);
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    padding: var(--spacing-lg) 0 var(--spacing-md);
    border-top: 1px solid rgba(220, 20, 60, 0.1);
    margin-top: var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo {
    margin-bottom: var(--spacing-sm);
}

.footer-tagline {
    color: var(--color-gray);
    font-size: 14px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

.footer-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-red);
}

.footer-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-menu a {
    color: var(--color-gray);
    font-size: 14px;
    transition: var(--transition-fast);
}

.footer-menu a:hover {
    color: var(--color-red-light);
    padding-left: 4px;
}

.footer-bottom {
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(220, 20, 60, 0.1);
    text-align: center;
    color: var(--color-gray);
    font-size: 14px;
}

/* ===================================
   PAGE HERO (for inner pages)
   =================================== */
.page-hero {
    min-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 120px;
    padding-bottom: var(--spacing-lg);
    text-align: center;
}

.page-hero-title {
    font-size: clamp(48px, 8vw, 80px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    letter-spacing: -2px;
}

.page-hero-subtitle {
    font-size: clamp(18px, 3vw, 22px);
    color: var(--color-gray-light);
    line-height: 1.6;
}

/* ===================================
   INTERACTIVE STEPS (How It Works)
   =================================== */
.interactive-steps-section {
    padding: var(--spacing-lg) 0 var(--spacing-xl);
}

.step-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
    margin-bottom: var(--spacing-xl);
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.step-item.step-visible {
    opacity: 1;
    transform: translateY(0);
}

.step-item:nth-child(even) .step-content-large {
    order: 2;
}

.step-item:nth-child(even) .step-visual-large {
    order: 1;
}

.step-visual-large {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.step-visual-large img {
    width: 100%;
    height: auto;
    display: block;
}

.visual-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 80%;
    background: radial-gradient(circle, rgba(220, 20, 60, 0.3) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
}

.step-badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, var(--color-red) 0%, var(--color-red-dark) 100%);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
}

.step-title-large {
    font-size: 40px;
    font-weight: 900;
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.step-description {
    font-size: 18px;
    color: var(--color-gray-light);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.step-features {
    list-style: none;
    margin-bottom: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.step-features li {
    font-size: 16px;
    color: var(--color-gray-light);
    padding-left: 0;
}

.step-tips {
    padding: var(--spacing-sm);
    background: rgba(220, 20, 60, 0.05);
    border-left: 4px solid var(--color-red);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-md);
}

.step-tips h4 {
    font-size: 16px;
    margin-bottom: var(--spacing-xs);
    color: var(--color-red-light);
}

.step-tips ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.step-tips li {
    font-size: 14px;
    color: var(--color-gray-light);
    padding-left: 20px;
    position: relative;
}

.step-tips li::before {
    content: '•';
    position: absolute;
    left: 8px;
    color: var(--color-red);
}

/* ===================================
   TECHNOLOGY SECTION
   =================================== */
.technology-section {
    padding: var(--spacing-xl) 0;
    background: linear-gradient(180deg, transparent 0%, rgba(220, 20, 60, 0.02) 50%, transparent 100%);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.tech-card {
    padding: var(--spacing-md);
    background: rgba(26, 26, 26, 0.5);
    border: 1px solid rgba(220, 20, 60, 0.1);
    border-radius: var(--radius-md);
    text-align: center;
    transition: var(--transition-normal);
}

.tech-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-red);
    box-shadow: 0 10px 30px rgba(220, 20, 60, 0.2);
}

.tech-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-sm);
}

.tech-title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.tech-text {
    font-size: 14px;
    color: var(--color-gray-light);
    line-height: 1.6;
}

/* ===================================
   FAQ SECTION
   =================================== */
.faq-section {
    padding: var(--spacing-xl) 0;
}

.faq-list {
    max-width: 800px;
    margin: var(--spacing-lg) auto 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.faq-item {
    background: rgba(26, 26, 26, 0.5);
    border: 1px solid rgba(220, 20, 60, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-normal);
}

.faq-item:hover {
    border-color: var(--color-red);
}

.faq-question {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    color: var(--color-white);
    font-size: 18px;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-red-light);
}

.faq-icon {
    font-size: 24px;
    color: var(--color-red);
    transition: var(--transition-fast);
}

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

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

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

.faq-answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-gray-light);
    line-height: 1.7;
}

/* ===================================
   BLOG SECTION
   =================================== */
.blog-section {
    padding-bottom: var(--spacing-xl);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.blog-card {
    background: rgba(26, 26, 26, 0.5);
    border: 1px solid rgba(220, 20, 60, 0.1);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-red);
    box-shadow: 0 12px 30px rgba(220, 20, 60, 0.3);
}

.blog-card-featured {
    grid-column: span 2;
    grid-template-columns: 1fr 1fr;
    display: grid;
    flex-direction: unset;
}

.blog-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/10;
}

.blog-card-featured .blog-image {
    aspect-ratio: unset;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.blog-card:hover .blog-image img {
    transform: scale(1.1);
}

.blog-category {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 6px 16px;
    background: var(--color-red);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    z-index: 10;
}

.blog-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.blog-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 14px;
    color: var(--color-gray);
}

.blog-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
    color: var(--color-white);
}

.blog-card-featured .blog-title {
    font-size: 32px;
}

.blog-excerpt {
    font-size: 16px;
    color: var(--color-gray-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.blog-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--color-red);
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition-fast);
}

.blog-link:hover {
    color: var(--color-red-light);
    gap: 12px;
}

.link-arrow {
    transition: var(--transition-fast);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 1024px) {
    :root {
        --spacing-xl: 80px;
        --spacing-lg: 48px;
    }

    .process-step {
        grid-template-columns: 1fr;
    }

    .step-number {
        font-size: 48px;
        margin-bottom: var(--spacing-sm);
    }

    .process-step:nth-child(even) .step-content,
    .process-step:nth-child(even) .step-visual {
        order: unset;
    }

    .step-item {
        grid-template-columns: 1fr;
    }

    .step-item:nth-child(even) .step-content-large,
    .step-item:nth-child(even) .step-visual-large {
        order: unset;
    }

    .blog-card-featured {
        grid-column: span 1;
        grid-template-columns: 1fr;
        display: flex;
        flex-direction: column;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-base: 16px;
        --spacing-xl: 64px;
        --spacing-lg: 40px;
        --spacing-md: 24px;
        --container-padding: 20px;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%;
        background: rgba(10, 10, 10, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
        transform: translateX(-100%);
        transition: var(--transition-normal);
        border-bottom: 1px solid rgba(220, 20, 60, 0.2);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

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

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {

    .btn-primary,
    .btn-large,
    .btn-xl {
        width: 100%;
        justify-content: center;
        padding: 18px 32px;
        font-size: 16px;
    }

    .stat-number {
        font-size: 36px;
    }

    .step-title-large {
        font-size: 28px;
    }

    .scroll-indicator {
        display: none;
    }

    .hero {
        min-height: 90vh;
    }
}

.tg-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: none;
}

.tg-modal.is-open {
    display: block;
}

.tg-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(10, 10, 10, 0.72);
    backdrop-filter: blur(7px);
}

.tg-modal__dialog {
    position: relative;
    width: min(560px, calc(100% - 40px));
    margin: 0 auto;
    top: 50%;
    transform: translateY(-50%) scale(0.98);
    padding: var(--spacing-md);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(220, 20, 60, 0.18);
    background:
        radial-gradient(ellipse at top, rgba(220, 20, 60, 0.10) 0%, transparent 55%),
        rgba(26, 26, 26, 0.78);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    opacity: 0;
    transition: opacity var(--transition-normal), transform var(--transition-normal);
    overflow: hidden;
}

.tg-modal.is-open .tg-modal__dialog {
    opacity: 1;
    transform: translateY(-50%) scale(1);
}

.tg-modal__close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 1px solid rgba(220, 20, 60, 0.25);
    background: rgba(10, 10, 10, 0.55);
    color: var(--color-white);
    cursor: pointer;
    transition: var(--transition-fast);
}

.tg-modal__close:hover {
    border-color: var(--color-red);
    color: var(--color-red-light);
    transform: translateY(-1px);
    box-shadow: 0 10px 24px rgba(220, 20, 60, 0.18);
}

.tg-modal__media {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid rgba(220, 20, 60, 0.14);
    background: rgba(10, 10, 10, 0.35);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-sm);
}

.tg-modal__media img {
    width: 100%;
    height: auto;
    display: block;
}

.tg-modal__title {
    font-size: 28px;
    font-weight: 900;
    line-height: 1.2;
    text-align: center;
    margin-bottom: var(--spacing-xs);
    letter-spacing: -0.5px;
}

.tg-modal__text {
    font-size: 16px;
    color: var(--color-gray-light);
    line-height: 1.6;
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.tg-modal__cta {
    width: 100%;
    justify-content: center;
}

@media (max-width: 480px) {
    .tg-modal__dialog {
        padding: var(--spacing-sm);
    }

    .tg-modal__title {
        font-size: 22px;
    }
}

/* ===================================
   LOADING ANIMATION
   =================================== */
body {
    opacity: 0;
    animation: fadeInBody 0.5s ease-out forwards;
}

@keyframes fadeInBody {
    to {
        opacity: 1;
    }
}

/* Focus visible for keyboard navigation */
*:focus-visible {
    outline: 2px solid var(--color-red);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible {
    outline: 2px solid var(--color-red);
    outline-offset: 4px;
}

/* ===================================
   REVIEWS PAGE
   =================================== */
.reviews-section {
    padding: var(--spacing-xl) 0;
    background: var(--color-black);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.review-card {
    background: var(--color-dark);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-normal);
}

.review-card:hover {
    border-color: var(--color-red);
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.review-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.review-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-red);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    color: var(--color-white);
    flex-shrink: 0;
}

.review-author-info {
    flex-grow: 1;
}

.review-author {
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: 4px;
}

.review-date {
    font-size: var(--font-size-small);
    color: var(--color-gray);
}

.review-rating {
    display: flex;
    gap: 4px;
    margin-bottom: var(--spacing-sm);
}

.review-rating .star {
    color: var(--color-red);
    font-size: 20px;
}

.review-rating .star.empty {
    color: var(--color-gray-dark);
}

.review-text {
    color: var(--color-gray-light);
    line-height: 1.6;
    margin-bottom: var(--spacing-sm);
}

.review-verified {
    display: inline-block;
    font-size: var(--font-size-small);
    color: var(--color-red);
    font-weight: 600;
}

.reviews-more {
    text-align: center;
    padding: var(--spacing-md) 0;
}

.reviews-more-text {
    color: var(--color-gray);
    font-size: var(--font-size-small);
}

.review-form-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-white);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    margin-top: var(--spacing-xl);
}

.review-form-subtitle {
    text-align: center;
    color: var(--color-gray-light);
    margin-bottom: var(--spacing-lg);
}

.review-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--color-dark);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    color: var(--color-white);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.form-input,
.form-textarea {
    width: 100%;
    padding: var(--spacing-sm);
    background: var(--color-darker);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 16px;
    transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-red);
    box-shadow: 0 0 0 3px rgba(220, 20, 60, 0.1);
}

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.rating-input {
    display: flex;
    flex-direction: row-reverse;
    justify-content: flex-end;
    gap: 8px;
}

.rating-input input[type="radio"] {
    display: none;
}

.rating-input label {
    font-size: 32px;
    color: var(--color-gray-dark);
    cursor: pointer;
    transition: var(--transition-fast);
}

.rating-input label:hover,
.rating-input label:hover ~ label,
.rating-input input[type="radio"]:checked ~ label {
    color: var(--color-red);
}

.success-message {
    display: none;
    padding: var(--spacing-sm);
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.3);
    border-radius: var(--radius-sm);
    color: #22c55e;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.success-message.show {
    display: block;
}

@media (max-width: 768px) {
    .reviews-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .review-form {
        padding: var(--spacing-md);
    }
}

/* ===================================
   ARTICLE PAGE (Privacy, Terms)
   =================================== */
.article-page {
    padding: var(--spacing-lg) 0;
    background: var(--color-black);
}

.article-container {
    max-width: 900px;
    margin: 0 auto;
}

.article-body {
    background: var(--color-dark);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.article-body h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-white);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.article-body h2:first-child {
    margin-top: 0;
}

.article-body h3 {
    font-size: 22px;
    font-weight: 600;
    color: var(--color-white);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.article-body p {
    color: var(--color-gray-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.article-body .article-lead {
    font-size: 20px;
    font-weight: 500;
    color: var(--color-white);
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(220, 20, 60, 0.05);
    border-left: 4px solid var(--color-red);
    border-radius: var(--radius-sm);
}

.article-body ul,
.article-body ol {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.article-body .article-list {
    list-style: none;
    margin-left: 0;
}

.article-body .article-list li {
    color: var(--color-gray-light);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-md);
    position: relative;
}

.article-body .article-list li::before {
    content: "•";
    color: var(--color-red);
    font-weight: bold;
    position: absolute;
    left: 0;
}

.article-body b,
.article-body strong {
    color: var(--color-white);
    font-weight: 600;
}

@media (max-width: 768px) {
    .article-body {
        padding: var(--spacing-md);
    }

    .article-body h2 {
        font-size: 24px;
    }

    .article-body h3 {
        font-size: 20px;
    }
}

/* ===================================
   ARTICLE HEADER & META
   =================================== */
.article-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.article-title {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 700;
    color: var(--color-white);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.article-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    color: var(--color-gray);
    font-size: 15px;
}

.article-date,
.article-read-time,
.article-author {
    color: var(--color-gray);
}

.article-separator {
    color: var(--color-gray-dark);
}

/* ===================================
   RELATED ARTICLES
   =================================== */
.related-articles {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.related-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.related-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: var(--transition-normal);
}

.related-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-red);
    transform: translateY(-4px);
}

.related-card a {
    text-decoration: none;
}

.related-card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-white);
    margin-bottom: var(--spacing-xs);
    line-height: 1.4;
}

.related-link {
    color: var(--color-red);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition-fast);
}

.related-card:hover .related-link {
    color: var(--color-red-light);
}

@media (max-width: 768px) {
    .related-grid {
        grid-template-columns: 1fr;
    }
}