/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
    --color-dark: #0a1628;
    --color-dark-2: #111d33;
    --color-dark-3: #162240;
    --color-primary: #2563eb;
    --color-primary-hover: #1d4ed8;
    --color-accent: #06b6d4;
    --color-accent-2: #8b5cf6;
    --color-light: #f8fafc;
    --color-light-2: #f1f5f9;
    --color-text-dark: #1e293b;
    --color-text-light: #e2e8f0;
    --color-text-muted: #94a3b8;
    --color-text-muted-dark: #64748b;
    --color-border: rgba(255,255,255,0.08);
    --color-border-light: rgba(0,0,0,0.06);
    --color-glass: rgba(255,255,255,0.05);
    --color-glass-light: rgba(255,255,255,0.8);
    --gradient-primary: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    --gradient-dark: linear-gradient(180deg, var(--color-dark) 0%, var(--color-dark-2) 100%);
    --gradient-pro: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.1);
    --shadow-lg: 0 12px 40px rgba(0,0,0,0.15);
    --shadow-glow: 0 0 30px rgba(37,99,235,0.3);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --container: 1200px;
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text-dark);
    background: var(--color-light);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea { font-family: inherit; }

.container {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    white-space: nowrap;
}
.btn--primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(37,99,235,0.4);
}
.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37,99,235,0.5);
}
.btn--outline {
    border-color: rgba(255,255,255,0.3);
    color: #fff;
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.05);
}
.btn--outline:hover {
    border-color: var(--color-primary);
    background: rgba(37,99,235,0.15);
}
.btn--lg { padding: 18px 40px; font-size: 16px; }
.btn--block { width: 100%; }
.btn--pro { margin-top: 20px; }

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}
.header.scrolled {
    background: rgba(10,22,40,0.95);
    backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}
.header__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
/* Animated SVG Logo */
:root {
    --warm-light: #ffcc33;
    --warm-glow: #ffeb3b;
    --off-color: #cbd5e0;
}
.logo-icon--svg {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.5s ease;
}
.logo-icon--svg svg {
    width: 100%;
    height: 100%;
    transition: all 0.5s ease;
}
.header__logo:hover .logo-icon--svg svg {
    filter: drop-shadow(0 0 10px var(--warm-glow));
}
.logo-icon--svg .light-path {
    stroke: var(--off-color);
    transition: stroke 0.4s ease, stroke-width 0.4s ease;
}
.header__logo:hover .logo-icon--svg .light-path {
    stroke: var(--warm-light);
    stroke-width: 3;
}
.logo-icon--svg .fill-target {
    fill: var(--off-color);
    transition: fill 0.4s ease;
}
.header__logo:hover .logo-icon--svg .fill-target {
    fill: var(--warm-light);
}
.logo-icon {
    font-size: 28px;
    color: var(--color-accent);
    line-height: 1;
}
.logo-text {
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    letter-spacing: 3px;
}
.logo-accent { color: var(--color-accent); }
.nav__list {
    display: flex;
    gap: 28px;
}
.nav__link {
    color: var(--color-text-light);
    font-size: 14px;
    font-weight: 500;
    opacity: 0.8;
    position: relative;
}
.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
}
.nav__link:hover { opacity: 1; }
.nav__link:hover::after { width: 100%; }
.header__cta {
    padding: 10px 24px;
    font-size: 13px;
}
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
}
.burger span {
    display: block;
    width: 100%;
    height: 2px;
    background: #fff;
    border-radius: 2px;
    transition: var(--transition);
}
.burger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}
.hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero__bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.7) 50%, rgba(10,22,40,0.85) 100%);
}
.hero__content {
    position: relative;
    z-index: 1;
    padding: 120px 0 80px;
    max-width: 720px;
}
.hero__badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(37,99,235,0.15);
    border: 1px solid rgba(37,99,235,0.3);
    border-radius: 50px;
    color: var(--color-accent);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}
.hero__title {
    font-size: clamp(36px, 5vw, 64px);
    font-weight: 900;
    line-height: 1.1;
    color: #fff;
    margin-bottom: 20px;
}
.hero__subtitle {
    font-size: clamp(16px, 2vw, 19px);
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 36px;
    max-width: 560px;
}
.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
}
.hero__stats {
    display: flex;
    gap: 48px;
    padding-top: 40px;
    border-top: 1px solid var(--color-border);
}
.hero__stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.hero__stat-num {
    font-size: 36px;
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__stat-label {
    font-size: 13px;
    color: var(--color-text-muted);
}
.hero__scroll-hint {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--color-text-muted);
    font-size: 12px;
    animation: bounce 2s infinite;
    z-index: 1;
}
.scroll-arrow {
    width: 20px;
    height: 20px;
    border-right: 2px solid var(--color-text-muted);
    border-bottom: 2px solid var(--color-text-muted);
    transform: rotate(45deg);
}
@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-10px); }
    60% { transform: translateX(-50%) translateY(-5px); }
}

/* ===== SECTIONS ===== */
.section {
    padding: 100px 0;
    position: relative;
}
.section--light { background: var(--color-light); }
.section--dark { background: var(--gradient-dark); }
.section--gradient {
    background: linear-gradient(135deg, var(--color-dark) 0%, #0f2442 50%, var(--color-dark-3) 100%);
}
.section--pro { background: var(--gradient-pro); }
.section--cta {
    background: var(--gradient-dark);
    padding: 80px 0;
}
.section__header {
    text-align: center;
    margin-bottom: 64px;
}
.section__label {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(37,99,235,0.1);
    border-radius: 50px;
    color: var(--color-primary);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 16px;
}
.section__label--light {
    background: rgba(37,99,235,0.2);
    color: var(--color-accent);
}
.section__title {
    font-size: clamp(28px, 4vw, 44px);
    font-weight: 800;
    line-height: 1.2;
    color: var(--color-text-dark);
    margin-bottom: 16px;
}
.section__title--light { color: #fff; }
.section__desc {
    font-size: 17px;
    color: var(--color-text-muted-dark);
    max-width: 600px;
    margin: 0 auto;
}
.section__desc--light { color: var(--color-text-muted); }

/* ===== PROBLEMS ===== */
.problems__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.problem-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    border: 1px solid var(--color-border-light);
    position: relative;
    overflow: hidden;
}
.problem-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: var(--transition);
}
.problem-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.problem-card:hover::before { transform: scaleX(1); }
.problem-card__icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(37,99,235,0.1), rgba(6,182,212,0.1));
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--color-primary);
}
.problem-card__icon svg { width: 28px; height: 28px; }
.problem-card__title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--color-text-dark);
}
.problem-card__text {
    font-size: 14px;
    color: var(--color-text-muted-dark);
    line-height: 1.6;
}

/* ===== SOLUTION ===== */
.solution__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.solution-card {
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 48px 36px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}
.solution-card:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-6px);
    border-color: rgba(37,99,235,0.3);
}
.solution-card__num {
    font-size: 48px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    opacity: 0.6;
    margin-bottom: 16px;
}
.solution-card__title {
    font-size: 22px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}
.solution-card__text {
    font-size: 15px;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== STAGES ===== */
.stage {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 80px;
}
.stage:last-child { margin-bottom: 0; }
.stage--reverse .stage__content { order: 2; }
.stage--reverse .stage__visual { order: 1; }
.stage__badge {
    display: inline-block;
    padding: 6px 16px;
    background: var(--gradient-primary);
    border-radius: 50px;
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 16px;
}
.stage__title {
    font-size: 32px;
    font-weight: 800;
    color: var(--color-text-dark);
    margin-bottom: 8px;
}
.stage__subtitle {
    font-size: 17px;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: 16px;
}
.stage__text {
    color: var(--color-text-muted-dark);
    line-height: 1.7;
    margin-bottom: 24px;
}
.stage__list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.stage__list li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--color-text-dark);
    font-weight: 500;
}
.stage__list li::before {
    content: '✓';
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: #fff;
    font-size: 12px;
    flex-shrink: 0;
}
.stage__image-wrapper {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    aspect-ratio: 4 / 3;
    background: rgba(10, 22, 40, 0.05);
}
.stage__image-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.stage__image-wrapper:hover img {
    transform: scale(1.05);
}
.stage__badge--rough {
    background: linear-gradient(135deg, #f59e0b, #ef4444);
    font-size: 12px;
    padding: 6px 18px;
}
.stage__note {
    display: flex;
    gap: 14px;
    margin-top: 28px;
    padding: 18px 20px;
    background: linear-gradient(135deg, rgba(37,99,235,0.06), rgba(6,182,212,0.06));
    border: 1px solid rgba(37,99,235,0.15);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--color-primary);
}
.stage__note-icon {
    font-size: 22px;
    line-height: 1;
    flex-shrink: 0;
    margin-top: 2px;
}
.stage__note-text {
    font-size: 14px;
    color: var(--color-text-muted-dark);
    line-height: 1.6;
    margin: 0;
}

/* ===== SCENARIOS ===== */
.scenarios__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.scenario-card {
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    overflow: hidden;
}
.scenario-card:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-6px);
    border-color: rgba(6,182,212,0.3);
}
.scenario-card__icon {
    font-size: 40px;
    margin-bottom: 16px;
}
.scenario-card__title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 10px;
}
.scenario-card__text {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 24px;
}

/* Scenario Animations */
.scenario-card__animation {
    height: 120px;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}
.scene {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: var(--radius-md);
}
/* Morning scene */
.scene--morning {
    background: linear-gradient(180deg, #fef3c7 0%, #fde68a 50%, #fbbf24 100%);
    overflow: hidden;
}
.scene__sun {
    position: absolute;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #f59e0b;
    box-shadow: 0 0 30px rgba(245,158,11,0.8);
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    animation: sunrise 4s ease-in-out infinite;
}
@keyframes sunrise {
    0%, 100% { bottom: -10px; box-shadow: 0 0 30px rgba(245,158,11,0.5); }
    50% { bottom: 60px; box-shadow: 0 0 60px rgba(245,158,11,1); }
}
.scene__curtain {
    position: absolute;
    top: 0;
    width: 50%;
    height: 100%;
    background: rgba(120,113,108,0.5);
    transition: 2s ease;
}
.scene__curtain--left { left: 0; }
.scene__curtain--right { right: 0; }
.scenario-card:hover .scene__curtain--left { transform: translateX(-100%); }
.scenario-card:hover .scene__curtain--right { transform: translateX(100%); }
.scene__light {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at center, rgba(255,255,255,0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 1s;
}
.scenario-card:hover .scene__light { opacity: 1; }

/* Cinema scene */
.scene--cinema {
    background: linear-gradient(180deg, #0f0f23 0%, #1a1a2e 100%);
}
.scene__screen {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 50px;
    border-radius: 4px;
    background: #334155;
    box-shadow: 0 0 0 rgba(99,102,241,0);
    transition: 1s ease;
}
.scenario-card:hover .scene__screen {
    background: #4f46e5;
    box-shadow: 0 0 40px rgba(99,102,241,0.6);
}
.scene__ambient {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(0deg, rgba(99,102,241,0) 0%, rgba(99,102,241,0) 100%);
    transition: 1.5s ease;
}
.scenario-card:hover .scene__ambient {
    background: linear-gradient(0deg, rgba(99,102,241,0.3) 0%, transparent 100%);
}

/* Protection scene */
.scene--protect {
    background: linear-gradient(180deg, #ecfeff 0%, #cffafe 100%);
    overflow: hidden;
}
.scene__drop {
    position: absolute;
    width: 10px;
    height: 14px;
    background: #22d3ee;
    border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
    top: -20px;
    left: 30%;
    animation: drip 2s ease-in infinite;
}
@keyframes drip {
    0% { top: -20px; opacity: 1; }
    80% { top: 80px; opacity: 1; }
    100% { top: 80px; opacity: 0; }
}
.scene__shield {
    position: absolute;
    width: 40px;
    height: 48px;
    right: 20%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--gradient-primary);
    clip-path: polygon(50% 0%, 100% 15%, 100% 70%, 50% 100%, 0% 70%, 0% 15%);
    opacity: 0.7;
    animation: pulse-shield 2s ease-in-out infinite;
}
@keyframes pulse-shield {
    0%, 100% { transform: translateY(-50%) scale(1); opacity: 0.7; }
    50% { transform: translateY(-50%) scale(1.1); opacity: 1; }
}
.scene__alert {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ef4444;
    top: 15px;
    right: 15px;
    animation: blink 1s ease-in-out infinite;
}
@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ===== CONTROL ===== */
.control__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.control-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    border: 1px solid var(--color-border-light);
    transition: var(--transition);
    text-align: center;
}
.control-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.control-card__icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    color: var(--color-primary);
}
.control-card__icon svg { width: 100%; height: 100%; }
.control-card__title {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}
.control-card__text {
    font-size: 14px;
    color: var(--color-text-muted-dark);
    line-height: 1.6;
    margin-bottom: 20px;
}
.control-card__tags {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}
.tag {
    padding: 4px 14px;
    border-radius: 50px;
    background: linear-gradient(135deg, rgba(37,99,235,0.08), rgba(6,182,212,0.08));
    color: var(--color-primary);
    font-size: 12px;
    font-weight: 600;
}

/* ===== EXPERTISE ===== */
.expertise__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.expertise-card {
    background: var(--color-glass);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    transition: var(--transition);
    text-align: center;
    backdrop-filter: blur(10px);
}
.expertise-card:hover {
    background: rgba(255,255,255,0.08);
    transform: translateY(-6px);
    border-color: rgba(37,99,235,0.3);
}
.expertise-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    color: var(--color-accent);
}
.expertise-card__icon svg { width: 100%; height: 100%; }
.expertise-card__title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 12px;
}
.expertise-card__text {
    font-size: 14px;
    color: var(--color-text-muted);
    line-height: 1.6;
}
.expertise-card__protocols {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 20px;
}
.expertise-card__protocols span {
    padding: 6px 14px;
    border-radius: 50px;
    background: rgba(6,182,212,0.15);
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 600;
}

/* ===== PORTFOLIO ===== */
.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
.portfolio-card {
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: #fff;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}
.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}
.portfolio-card__image {
    position: relative;
    height: 240px;
    overflow: hidden;
}
.portfolio-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}
.portfolio-card:hover .portfolio-card__image img {
    transform: scale(1.1);
}
.portfolio-card__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(10,22,40,0.8) 0%, transparent 60%);
    display: flex;
    align-items: flex-end;
    padding: 20px;
}
.portfolio-card__tag {
    padding: 6px 14px;
    background: var(--gradient-primary);
    border-radius: 50px;
    color: #fff;
    font-size: 12px;
    font-weight: 600;
}
.portfolio-card__info {
    padding: 20px 24px;
}
.portfolio-card__info h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 6px;
}
.portfolio-card__info p {
    font-size: 14px;
    color: var(--color-text-muted-dark);
}

/* ===== PROFESSIONALS (B2B) ===== */
.pro__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}
.pro-card {
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    overflow: hidden;
    backdrop-filter: blur(10px);
    transition: var(--transition);
}
.pro-card:hover {
    border-color: rgba(37,99,235,0.3);
    background: rgba(255,255,255,0.06);
}
.pro-card__header {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 28px 32px;
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid rgba(255,255,255,0.06);
}
.pro-card__icon { font-size: 28px; }
.pro-card__title {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}
.pro-card__content { padding: 28px 32px; }
.pro-spec { margin-bottom: 24px; }
.pro-spec:last-child { margin-bottom: 0; }
.pro-spec h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.pro-spec__tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.pro-tag {
    padding: 6px 14px;
    border-radius: 50px;
    background: rgba(6,182,212,0.12);
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 600;
    border: 1px solid rgba(6,182,212,0.2);
}
.pro-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.pro-list li {
    color: var(--color-text-muted);
    font-size: 14px;
    padding-left: 20px;
    position: relative;
}
.pro-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
}
.pro-list--check li::before {
    content: '✓';
    color: #22c55e;
}

/* ===== CALCULATOR ===== */
.calculator {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    background: #fff;
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border-light);
}
.calc-group { margin-bottom: 32px; }
.calc-group:last-child { margin-bottom: 0; }
.calc-label {
    display: block;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 12px;
}
.calc-counter {
    display: flex;
    align-items: center;
    gap: 20px;
}
.calc-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    font-weight: 700;
    transition: var(--transition);
    border: 2px solid var(--color-border-light);
    color: var(--color-text-dark);
    cursor: pointer;
}
.calc-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(37,99,235,0.05);
}
.calc-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--color-text-dark);
    min-width: 48px;
    text-align: center;
}
.calc-checks {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.calc-check {
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}
.calc-check:hover { background: rgba(37,99,235,0.04); }
.calc-check input { display: none; }
.calc-check__box {
    width: 22px;
    height: 22px;
    border-radius: 6px;
    border: 2px solid #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}
.calc-check__box::after {
    content: '✓';
    color: #fff;
    font-size: 12px;
    font-weight: 700;
    opacity: 0;
    transition: var(--transition);
}
.calc-check input:checked + .calc-check__box {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
}
.calc-check input:checked + .calc-check__box::after { opacity: 1; }
.calc-check__text {
    font-size: 14px;
    color: var(--color-text-dark);
}
.calc-result__card {
    background: var(--gradient-dark);
    border-radius: var(--radius-lg);
    padding: 36px;
    text-align: center;
    position: sticky;
    top: 100px;
}
.calc-result__label {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 8px;
}
.calc-result__price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 6px;
    margin-bottom: 16px;
}
.calc-result__from {
    font-size: 16px;
    color: var(--color-text-muted);
}
.calc-result__amount {
    font-size: 44px;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.calc-result__currency {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-accent);
}
.calc-result__note {
    font-size: 13px;
    color: var(--color-text-muted);
    line-height: 1.5;
    margin-bottom: 20px;
}
.calc-result__includes {
    text-align: left;
    margin-bottom: 24px;
}
.calc-result__include {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 0;
    color: var(--color-text-muted);
    font-size: 13px;
}
.calc-result__check {
    color: #22c55e;
    font-weight: 700;
}

/* ===== FAQ ===== */
.faq__list {
    max-width: 800px;
    margin: 0 auto;
}
.faq-item {
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.faq-item__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 24px 0;
    font-size: 17px;
    font-weight: 600;
    color: #fff;
    text-align: left;
    transition: var(--transition);
    cursor: pointer;
}
.faq-item__question:hover { color: var(--color-accent); }
.faq-item__icon {
    font-size: 24px;
    color: var(--color-accent);
    transition: var(--transition);
    flex-shrink: 0;
    margin-left: 16px;
}
.faq-item.active .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.active .faq-item__answer {
    max-height: 300px;
    padding-bottom: 24px;
}
.faq-item__answer p {
    color: var(--color-text-muted);
    font-size: 15px;
    line-height: 1.7;
}

/* ===== CONTACT ===== */
.contact__wrapper {
    display: grid;
    grid-template-columns: 1fr;
    max-width: 600px;
    margin: 0 auto;
    gap: 64px;
    align-items: start;
}
.contact__title {
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 800;
    color: #fff;
    line-height: 1.2;
    margin-bottom: 40px;
}
.contact__steps {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}
.contact__step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.contact__step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    flex-shrink: 0;
}
.contact__step h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}
.contact__step p {
    color: var(--color-text-muted);
    font-size: 14px;
}
.contact__phones {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.contact__phone {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px 20px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    transition: var(--transition);
}
.contact__phone:hover {
    background: rgba(37,99,235,0.15);
    border-color: rgba(37,99,235,0.3);
}
.contact__phone-icon { font-size: 24px; }
.contact__phone-name {
    display: block;
    color: var(--color-text-muted);
    font-size: 12px;
}
.contact__phone-num {
    display: block;
    color: #fff;
    font-size: 18px;
    font-weight: 700;
}
.contact__form-wrapper {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-xl);
    padding: 40px;
    backdrop-filter: blur(20px);
}
.contact__form-title {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}
.contact__form-subtitle {
    color: var(--color-text-muted);
    font-size: 14px;
    margin-bottom: 28px;
}
.form-group {
    position: relative;
    margin-bottom: 16px;
}
.form-input {
    width: 100%;
    padding: 16px 20px 16px 48px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-md);
    color: #fff;
    font-size: 15px;
    transition: var(--transition);
    outline: none;
}
.form-input::placeholder { color: var(--color-text-muted); }
.form-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37,99,235,0.2);
}
.form-textarea { padding-left: 20px; resize: vertical; }
.form-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    pointer-events: none;
}
.form-privacy {
    text-align: center;
    color: var(--color-text-muted);
    font-size: 11px;
    margin-top: 12px;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-dark);
    border-top: 1px solid var(--color-border);
}
.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 48px;
    padding: 64px 0 32px;
}
.footer__desc {
    color: var(--color-text-muted);
    font-size: 14px;
    line-height: 1.6;
    margin-top: 16px;
}
.footer__nav h4,
.footer__contacts h4 {
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}
.footer__nav li,
.footer__contacts li { margin-bottom: 10px; }
.footer__nav a,
.footer__contacts a {
    color: var(--color-text-muted);
    font-size: 14px;
    transition: var(--transition);
}
.footer__nav a:hover,
.footer__contacts a:hover { color: var(--color-accent); }
.footer__socials {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}
.footer__social {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-muted);
    transition: var(--transition);
}
.footer__social svg { width: 20px; height: 20px; }
.footer__social:hover {
    background: var(--color-primary);
    color: #fff;
}
.footer__bottom {
    border-top: 1px solid var(--color-border);
    padding: 20px 0;
}
.footer__bottom p {
    color: var(--color-text-muted);
    font-size: 13px;
    text-align: center;
}

/* ===== FLOATING BUTTONS ===== */
.floating-buttons {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 900;
}
.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    color: #fff;
}
.floating-btn svg { width: 28px; height: 28px; }
.floating-btn:hover { transform: scale(1.1); }
.floating-btn--wa { background: #25d366; }
.floating-btn--wa:hover { box-shadow: 0 8px 30px rgba(37,211,102,0.5); }
.floating-btn--tg { background: #0088cc; }
.floating-btn--tg:hover { box-shadow: 0 8px 30px rgba(0,136,204,0.5); }

/* ===== REVEAL ANIMATIONS ===== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .problems__grid { grid-template-columns: repeat(2, 1fr); }
    .solution__grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .scenarios__grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .control__grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .expertise__grid { grid-template-columns: 1fr; max-width: 500px; margin: 0 auto; }
    .portfolio__grid { grid-template-columns: repeat(2, 1fr); }
    .pro__grid { grid-template-columns: 1fr; }
    .calculator { grid-template-columns: 1fr; }
    .contact__wrapper { grid-template-columns: 1fr; }
    .stage { grid-template-columns: 1fr; gap: 32px; }
    .stage--reverse .stage__content,
    .stage--reverse .stage__visual { order: unset; }
    .footer__inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .header__nav { 
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10,22,40,0.98);
        backdrop-filter: blur(20px);
        z-index: 999;
        padding: 100px 32px;
    }
    .header__nav.active { display: block; }
    .nav__list {
        flex-direction: column;
        gap: 0;
    }
    .nav__link {
        display: block;
        padding: 16px 0;
        font-size: 20px;
        border-bottom: 1px solid var(--color-border);
    }
    .header__cta { display: none; }
    .burger { display: flex; z-index: 1001; }

    .problems__grid { grid-template-columns: 1fr; }
    .portfolio__grid { grid-template-columns: 1fr; }
    .hero__stats { flex-direction: column; gap: 20px; }
    .hero__actions { flex-direction: column; }
    .hero__actions .btn { width: 100%; }
    .calculator { padding: 28px; }
    .footer__inner { grid-template-columns: 1fr; gap: 32px; }
    .section { padding: 64px 0; }
    .contact__form-wrapper { padding: 28px; }
}