/* ========================================
   POLSHAKOV.RU — Webflow-inspired Dark Premium Theme
   ======================================== */

/* === FLUID VARIABLES === */
:root {
    /* Fluid scale helpers (min viewport: 20rem, max viewport: 90rem) */
    --fluid-min: 20;
    --fluid-max: 90;

    /* Colors — Deep Black Premium */
    --color-bg: #080808;
    --color-bg-elevated: #111111;
    --color-bg-card: #161616;
    --color-bg-subtle: #1a1a1a;
    --color-border: #222222;
    --color-border-hover: #333333;
    --color-text: #ffffff;
    --color-text-secondary: #999999;
    --color-text-tertiary: #666666;
    --color-accent: #146ef5;
    --color-accent-hover: #2b7fff;
    --color-accent-bg: rgba(20, 110, 245, 0.08);
    --color-accent-border: rgba(20, 110, 245, 0.25);
    --color-success: #00c853;
    --color-cta: #146ef5;
    --color-cta-hover: #2b7fff;

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;

    /* Fluid Typography */
    --text-h1: clamp(2rem, 1.57rem + 2.14vw, 3.25rem);
    --text-h2: clamp(2rem, 1.57rem + 2.14vw, 3.5rem);
    --text-h3: clamp(1.75rem, 1.54rem + 1.07vw, 2.5rem);
    --text-h4: clamp(1.375rem, 1.2rem + 0.89vw, 2rem);
    --text-h5: clamp(1.25rem, 1.18rem + 0.36vw, 1.5rem);
    --text-body: 1rem;
    --text-body-lg: clamp(1.1rem, 1.06rem + 0.21vw, 1.25rem);
    --text-body-xl: clamp(1.5rem, 1.36rem + 0.71vw, 2rem);
    --text-sm: 0.875rem;
    --text-xs: 0.8rem;

    /* Line heights */
    --lh-tight: 1.04;
    --lh-heading: 1.15;
    --lh-body: 1.6;
    --lh-relaxed: 1.7;

    /* Fluid Spacing */
    --space-xs: clamp(0.375rem, 0.34rem + 0.18vw, 0.5rem);
    --space-sm: clamp(0.625rem, 0.52rem + 0.54vw, 1rem);
    --space-md: clamp(1.25rem, 1.18rem + 0.36vw, 1.5rem);
    --space-lg: clamp(1.75rem, 1.68rem + 0.36vw, 2rem);
    --space-xl: clamp(2.25rem, 2.04rem + 1.07vw, 3rem);
    --space-2xl: clamp(3rem, 2.14rem + 4.29vw, 6rem);
    --space-section: clamp(5rem, 3.57rem + 7.14vw, 10rem);
    --space-section-lg: clamp(6rem, 3.43rem + 12.86vw, 15rem);

    /* Layout */
    --container-max: 1280px;
    --container-narrow: 900px;
    --nav-height: 4.25rem;

    /* Components */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 100px;

    --transition: 0.2s ease;
    --transition-slow: 0.4s ease;
}

/* === RESET === */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    overflow-x: hidden;
}

body {
    font-family: var(--font-primary);
    font-size: var(--text-body);
    font-weight: var(--font-weight-regular);
    line-height: var(--lh-body);
    letter-spacing: 0em;
    background-color: var(--color-bg);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

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

ul, ol {
    list-style: none;
}

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

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
    color: inherit;
}

input {
    font-family: inherit;
    color: inherit;
}

/* === LAYOUT === */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 clamp(1.25rem, 1rem + 1.25vw, 3rem);
}

/* === TYPOGRAPHY === */
h1, h2, h3, h4, h5, h6 {
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.01em;
}

.section-title {
    font-size: var(--text-h2);
    line-height: var(--lh-tight);
    margin-bottom: var(--space-xl);
    text-align: center;
    max-width: var(--container-narrow);
    margin-left: auto;
    margin-right: auto;
}

.highlight {
    color: var(--color-accent);
}

/* === ANIMATIONS === */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* === BUTTONS (Webflow-style) === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1em 1.5em;
    font-size: var(--text-body);
    font-weight: var(--font-weight-medium);
    line-height: 1.2;
    letter-spacing: -0.01em;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    white-space: nowrap;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-cta);
    color: #ffffff;
}

.btn-primary:hover {
    background: var(--color-cta-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-text);
}

.btn-outline {
    background: transparent;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    padding: 0.75em 1.25em;
}

.btn-outline:hover {
    background: var(--color-accent);
    color: #ffffff;
}

.btn-lg {
    padding: 1.125em 2em;
    font-size: clamp(1rem, 0.96rem + 0.18vw, 1.125rem);
}

/* === HEADER === */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    height: var(--nav-height);
    display: flex;
    align-items: center;
    background: rgba(8, 8, 8, 0.8);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition);
}

.header.scrolled {
    border-bottom-color: var(--color-border);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    font-size: 1.125rem;
    font-weight: var(--font-weight-semibold);
    letter-spacing: -0.02em;
}

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

.nav-list {
    display: flex;
    align-items: center;
    gap: clamp(1.5rem, 1.25rem + 1.25vw, 2.5rem);
}

.nav-list a {
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

.nav-list a:hover {
    color: var(--color-text);
}

.nav-cta {
    background: var(--color-cta) !important;
    color: #ffffff !important;
    padding: 0.6em 1.2em !important;
    border-radius: var(--radius-sm) !important;
    font-size: var(--text-sm) !important;
}

.nav-cta:hover {
    background: var(--color-cta-hover) !important;
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 4px;
}

.burger span {
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition);
}

/* === HERO === */
.hero {
    padding-top: calc(var(--nav-height) + var(--space-2xl));
    padding-bottom: 0;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 800px;
    height: 600px;
    background: radial-gradient(ellipse at center, rgba(20, 110, 245, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 0;
    align-items: center;
    position: relative;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.4em 1em;
    background: rgba(0, 200, 83, 0.06);
    border: 1px solid rgba(0, 200, 83, 0.2);
    border-radius: var(--radius-full);
    font-size: var(--text-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-success);
    margin-bottom: var(--space-lg);
}

.hero-title {
    font-size: var(--text-h1);
    line-height: var(--lh-tight);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

.hero-subtitle {
    font-size: var(--text-body-lg);
    color: var(--color-text-secondary);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-xl);
    max-width: 580px;
}

.hero-cta {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-2xl);
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: var(--space-xl);
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: var(--text-h4);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-left: -40px;
}

.hero-visual {
    position: relative;
    width: 100%;
    max-width: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-photo {
    width: 100%;
    height: auto;
    display: block;
    position: relative;
    z-index: 1;
    mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
    -webkit-mask-image: linear-gradient(to bottom, black 60%, transparent 100%);
}

/* === FLOATING CARDS === */
.float-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    background: rgba(22, 22, 22, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    z-index: 2;
    animation: floatCard 4s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.float-card--top-left {
    top: 10%;
    left: -20px;
    animation-delay: 0s;
}

.float-card--top-right {
    top: 5%;
    right: -10px;
    animation-delay: 1.2s;
}

.float-card--bottom-right {
    bottom: 20%;
    right: -30px;
    animation-delay: 2.4s;
}

.float-card__icon {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
}

.float-card__icon--green {
    background: var(--color-success);
    box-shadow: 0 0 8px rgba(0, 200, 83, 0.5);
}

.float-card__icon--accent {
    width: auto;
    height: auto;
    border-radius: 0;
    font-size: 1.1rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    letter-spacing: -0.02em;
}

.float-card__icon--check {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 200, 83, 0.1);
    border-radius: 50%;
    color: var(--color-success);
}

.float-card__chart {
    flex-shrink: 0;
}

.float-card__content {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.float-card__value {
    font-size: 0.85rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    white-space: nowrap;
}

.float-card__label {
    font-size: 0.7rem;
    color: var(--color-text-secondary);
    white-space: nowrap;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* === PAIN POINTS (Browser Slider) === */
.pain-points {
    padding: var(--space-section) 0;
}

.pain-browser {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    max-width: 1100px;
    margin: 0 auto;
}

.pain-browser__topbar {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 14px 20px;
    background: var(--color-bg-subtle);
    border-bottom: 1px solid var(--color-border);
}

.pain-browser__dots {
    display: flex;
    gap: 8px;
}

.pain-browser__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.pain-browser__dot--red {
    background: #ff5f57;
}

.pain-browser__dot--yellow {
    background: #ffbd2e;
}

.pain-browser__dot--green {
    background: #28c840;
}

.pain-browser__address {
    flex: 1;
    padding: 6px 16px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    font-family: monospace;
}

.pain-browser__content {
    position: relative;
    height: 450px;
    overflow: hidden;
}

.pain-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    padding: var(--space-2xl);
    align-items: center;
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
}

.pain-slide.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
    position: relative;
}

.pain-slide__text {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.pain-slide__text h3 {
    font-size: var(--text-h4);
    font-weight: var(--font-weight-semibold);
    line-height: var(--lh-heading);
    color: var(--color-text);
}

.pain-slide__text p {
    font-size: var(--text-body-lg);
    color: var(--color-text-secondary);
    line-height: var(--lh-relaxed);
}

.pain-slide__image {
    display: flex;
    align-items: center;
    justify-content: center;
}

.pain-slide__placeholder {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 4 / 3;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-subtle);
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text-tertiary);
}

.pain-slide__photo {
    width: 100%;
    max-width: 420px;
    height: auto;
    border-radius: var(--radius-md);
    object-fit: cover;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
}

.pain-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
}

.pain-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    padding: 0;
}

.pain-dot.active,
.pain-dot:hover {
    background: var(--color-accent);
    transform: scale(1.3);
}

/* === CLIENTS (Statement Block) === */
.clients {
    padding: var(--space-section) 0;
    background: url('../assets/st.jpg') center/cover no-repeat fixed;
    border-bottom: none;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.clients::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(8, 8, 8, 0.82);
    z-index: 1;
}

.clients .container {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.clients .section-title {
    font-size: var(--text-body-xl);
    font-weight: var(--font-weight-regular);
    color: var(--color-text-secondary);
    line-height: var(--lh-relaxed);
    margin-bottom: var(--space-sm);
}

.clients-subtitle {
    font-size: var(--text-body);
    color: var(--color-text-tertiary);
    text-align: center;
    max-width: var(--container-narrow);
    margin: 0 auto;
    line-height: var(--lh-relaxed);
}

/* === SERVICE LINKS === */
.service-links {
    padding: var(--space-section) 0;
    background: var(--color-bg-elevated);
}

.service-links__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.service-link-card {
    display: flex;
    flex-direction: column;
    padding: var(--space-xl);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: border-color var(--transition), transform var(--transition);
    position: relative;
}

.service-link-card:hover {
    border-color: var(--color-accent-border);
    transform: translateY(-2px);
}

.service-link-card__icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-bg);
    border: 1px solid var(--color-accent-border);
    border-radius: 50%;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.service-link-card__title {
    font-size: var(--text-h5);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.service-link-card__desc {
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    line-height: var(--lh-body);
    flex-grow: 1;
}

.service-link-card__arrow {
    font-size: 1.25rem;
    color: var(--color-accent);
    margin-top: var(--space-md);
    transition: transform var(--transition);
}

.service-link-card:hover .service-link-card__arrow {
    transform: translateX(4px);
}

/* === FIT SECTION (For Whom) === */
.fit-section {
    padding: var(--space-section) 0;
}

.fit-subtitle {
    font-size: var(--text-body-lg);
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--space-2xl);
    line-height: var(--lh-body);
}

.fit-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.fit-col {
    padding: var(--space-xl);
    border-radius: var(--radius-lg);
}

.fit-col--yes {
    background: rgba(0, 200, 83, 0.04);
    border: 1px solid rgba(0, 200, 83, 0.15);
}

.fit-col--no {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
}

.fit-col__header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.fit-col--yes .fit-col__header {
    color: var(--color-success);
}

.fit-col--no .fit-col__header {
    color: var(--color-text-secondary);
}

.fit-col__header h3 {
    font-size: var(--text-h5);
    font-weight: var(--font-weight-semibold);
}

.fit-col ul {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.fit-col li {
    position: relative;
    padding-left: 1.5em;
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.fit-col--yes li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 7px;
    height: 7px;
    background: var(--color-success);
    border-radius: 50%;
}

.fit-col--no li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 7px;
    height: 7px;
    background: var(--color-text-tertiary);
    border-radius: 50%;
}

/* === TRUST BAR === */
.trust {
    padding: var(--space-xl) 0;
    background: var(--color-bg-elevated);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.trust-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
}

.trust-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.trust-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.trust-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.trust-text strong {
    font-size: var(--text-body);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.trust-text span {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

/* === SERVICES === */
.services {
    padding: var(--space-section) 0;
    background: var(--color-bg-elevated);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.service-card {
    padding: clamp(1.5rem, 1.25rem + 1.25vw, 2.5rem);
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    transition: border-color var(--transition);
}

.service-card:hover {
    border-color: var(--color-border-hover);
}

.service-header {
    margin-bottom: var(--space-md);
}

.service-header h3 {
    font-size: var(--text-h4);
    line-height: var(--lh-heading);
    margin-bottom: var(--space-sm);
}

.service-price {
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.service-price span {
    font-size: var(--text-h5);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

.service-desc {
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    font-size: var(--text-body-lg);
}

.service-list {
    margin-bottom: var(--space-lg);
    flex-grow: 1;
}

.service-list li {
    position: relative;
    padding-left: 1.5em;
    margin-bottom: var(--space-sm);
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.6em;
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
}

.service-note {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-accent-bg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
}

.service-tech {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    margin-bottom: var(--space-lg);
}

.service-guarantee {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: rgba(0, 200, 83, 0.04);
    border: 1px solid rgba(0, 200, 83, 0.15);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-lg);
    color: var(--color-success);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.service-guarantee svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* === ADVANTAGES (Bento Grid) === */
.advantages {
    padding: var(--space-section) 0;
}

.advantages-grid.bento {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.advantage-card--wide {
    grid-column: span 2;
}

.advantage-card {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
}

.advantage-card:hover {
    border-color: var(--color-border-hover);
}

.advantage-number {
    font-size: var(--text-h2);
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
    opacity: 0.3;
    margin-bottom: var(--space-md);
    letter-spacing: -0.03em;
    line-height: 1;
}

.advantage-card h3 {
    font-size: var(--text-h5);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
    line-height: var(--lh-heading);
}

.advantage-card p {
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    line-height: var(--lh-body);
}

/* === PROCESS === */
.process {
    padding: var(--space-section) 0;
    background: var(--color-bg-elevated);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
    position: relative;
}

.process-steps::before {
    content: '';
    position: absolute;
    top: 32px;
    left: 12%;
    right: 12%;
    height: 1px;
    background: var(--color-border);
    z-index: 0;
}

.process-step {
    text-align: center;
    position: relative;
    z-index: 1;
}

.step-number {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    background: var(--color-bg);
    border: 1px solid var(--color-accent-border);
    border-radius: 50%;
    font-size: 1.25rem;
    font-weight: var(--font-weight-semibold);
    color: var(--color-accent);
}

.process-step h3 {
    font-size: var(--text-h6, 1.125rem);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-xs);
}

.process-step p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    line-height: var(--lh-body);
}

/* === CASES === */
.cases {
    padding: var(--space-section) 0;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.case-card {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.case-card:hover {
    border-color: var(--color-border-hover);
}

.case-label {
    display: inline-block;
    padding: 0.3em 0.8em;
    background: var(--color-accent-bg);
    border: 1px solid var(--color-accent-border);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-weight-medium);
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.case-label--seo {
    background: rgba(0, 200, 83, 0.06);
    border-color: rgba(0, 200, 83, 0.2);
    color: var(--color-success);
}

.case-card h3 {
    font-size: var(--text-h5);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--space-sm);
}

.case-task {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: var(--lh-body);
    flex-grow: 1;
}

.case-results {
    display: flex;
    gap: var(--space-xl);
    margin-bottom: var(--space-md);
}

.case-metric {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.metric-value {
    font-size: var(--text-h4);
    font-weight: var(--font-weight-semibold);
    color: var(--color-success);
    letter-spacing: -0.02em;
}

.metric-label {
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

.case-period {
    font-size: var(--text-sm);
    color: var(--color-text-tertiary);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
}

.case-quote {
    font-size: var(--text-sm);
    font-style: italic;
    color: var(--color-text-secondary);
    padding-top: var(--space-md);
    margin-top: auto;
}

.metric-value--text {
    font-size: var(--text-h5);
}

/* === TESTIMONIALS (Slider) === */
.testimonials {
    padding: var(--space-section) 0;
    background: var(--color-bg-elevated);
}

.testimonial-slider {
    max-width: 720px;
    margin: 0 auto;
    text-align: center;
    position: relative;
}

.testimonial-slides {
    position: relative;
    min-height: 280px;
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease;
    pointer-events: none;
    border: none;
    margin: 0;
    padding: 0;
}

.testimonial-slide.active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
    position: relative;
}

.testimonial-quote {
    font-size: var(--text-body-xl);
    line-height: var(--lh-relaxed);
    color: var(--color-text);
    margin-bottom: var(--space-xl);
    font-style: normal;
    font-weight: var(--font-weight-regular);
}

.testimonial-slide .testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    justify-content: center;
}

.testimonial-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-sm);
    margin-top: var(--space-xl);
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--color-border);
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    padding: 0;
}

.testimonial-dot.active,
.testimonial-dot:hover {
    background: var(--color-accent);
    transform: scale(1.3);
}

.author-avatar {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-accent-bg);
    border-radius: 50%;
    font-weight: var(--font-weight-medium);
    font-size: var(--text-sm);
    color: var(--color-accent);
    flex-shrink: 0;
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
    text-align: left;
}

.author-info cite {
    font-style: normal;
    font-weight: var(--font-weight-medium);
    font-size: var(--text-body);
}

.author-info span {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

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

.faq-list {
    max-width: var(--container-narrow);
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition);
}

.faq-item:first-child {
    border-top: 1px solid var(--color-border);
}

.faq-item summary {
    padding: var(--space-lg) 0;
    font-weight: var(--font-weight-medium);
    font-size: var(--text-body-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    list-style: none;
    transition: color var(--transition);
}

.faq-item summary:hover {
    color: var(--color-accent);
}

.faq-item summary::-webkit-details-marker {
    display: none;
}

.faq-item summary::after {
    content: '+';
    font-size: 1.5rem;
    font-weight: 300;
    color: var(--color-text-secondary);
    transition: transform var(--transition-slow), color var(--transition);
    flex-shrink: 0;
}

.faq-item[open] summary::after {
    transform: rotate(45deg);
    color: var(--color-accent);
}

.faq-item p {
    padding-bottom: var(--space-lg);
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    line-height: var(--lh-relaxed);
    max-width: 90%;
}

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

.final-cta::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(ellipse at center, rgba(20, 110, 245, 0.05) 0%, transparent 70%);
    pointer-events: none;
}

.cta-content {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
    position: relative;
}

.cta-content h2 {
    font-size: var(--text-h2);
    line-height: var(--lh-tight);
    margin-bottom: var(--space-md);
}

.cta-subtitle {
    font-size: var(--text-body-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-2xl);
    line-height: var(--lh-body);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1em 1.25em;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-size: var(--text-body);
    line-height: 1.5;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px var(--color-accent-bg);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-tertiary);
}

.contact-form .btn {
    width: 100%;
    margin-top: var(--space-xs);
}

.cta-contacts {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.cta-contacts > p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-sm);
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.5em;
    color: var(--color-text-secondary);
    font-weight: var(--font-weight-medium);
    font-size: var(--text-sm);
    transition: color var(--transition);
}

.contact-link:hover {
    color: var(--color-accent);
}

.cta-response {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

/* === FOOTER === */
.footer {
    padding: var(--space-2xl) 0 var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--space-lg);
}

.footer-info .logo {
    margin-bottom: var(--space-sm);
    display: inline-block;
}

.footer-info p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-top: var(--space-xs);
}

.footer-links a {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition);
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-bottom {
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
}

.footer-bottom p {
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

/* === MOBILE CTA === */
.mobile-cta {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--space-sm) var(--space-md);
    background: rgba(8, 8, 8, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid var(--color-border);
    z-index: 999;
}

.btn-mobile {
    width: 100%;
}

/* === POPUP MODAL === */
.popup-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.popup-overlay.active {
    display: flex;
    opacity: 1;
}

.popup-overlay.fade-out {
    opacity: 0;
}

.popup {
    position: relative;
    width: 100%;
    max-width: 480px;
    max-height: 90vh;
    overflow-y: auto;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl) var(--space-xl);
    transform: translateY(20px) scale(0.97);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.popup-overlay.active .popup {
    transform: translateY(0) scale(1);
}

.popup-overlay.fade-out .popup {
    transform: translateY(20px) scale(0.97);
}

.popup-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--color-text-secondary);
    background: var(--color-bg-subtle);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    cursor: pointer;
    transition: all var(--transition);
    line-height: 1;
}

.popup-close:hover {
    color: var(--color-text);
    border-color: var(--color-text-secondary);
}

.popup-title {
    font-size: var(--text-h4);
    line-height: var(--lh-heading);
    margin-bottom: var(--space-xs);
    padding-right: 40px;
}

.popup-subtitle {
    font-size: var(--text-body);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-lg);
    line-height: var(--lh-body);
}

.popup .contact-form .btn {
    width: 100%;
    margin-top: var(--space-xs);
}

.popup-contacts {
    margin-top: var(--space-lg);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.popup-contacts > p {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

.popup-contacts .contact-links {
    justify-content: center;
    gap: var(--space-lg);
}