/* ===================== ГЛОБАЛЬНЫЕ ПЕРЕМЕННЫЕ ===================== */
:root {
    --silver-light: #f5f5f5;
    --silver-mid: #e0e0e0;
    --silver-dark: #b0b0b0;
    --silver-darker: #8a8a8a;
    --text-dark: #1b1b1b;
    --text-mid: #4b4b4b;
    --shadow-sm: 0 4px 12px rgba(0,0,0,0.1);
    --shadow-md: 0 10px 30px rgba(0,0,0,0.2);
    --shadow-lg: 0 25px 60px rgba(0,0,0,0.35);
    --transition-fast: 0.3s ease;
    --transition-mid: 0.5s ease;
}

.swiper-pagination-bullet-active{
    background: linear-gradient(145deg, var(--silver-mid), var(--silver-light));
}

.swiper-button-next, .swiper-button-prev {
    color: linear-gradient(145deg, var(--silver-mid), var(--silver-light));
}

/* ===================== ОБЩИЕ СТИЛИ ===================== */
body, html {
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
    background: linear-gradient(145deg, var(--silver-mid), var(--silver-light));
    color: var(--text-dark);
}

html{
    overflow-x: hidden;
}

.bg-dark {
    width: 100% !important;
    background: var(--silver-mid) !important;
}

.container {
    width: 100% !important;
    max-width: 1320px;
    margin: 0 auto;
}

/* ===================== НОВЫЕ АНИМАЦИИ ДЛЯ НАБЛЮДАТЕЛЯ ===================== */
/* Элементы скрыты до появления в viewport */
.scroll-reveal {
    opacity: 0;
    transform: translateY(80px) scale(0.85);
    transition: opacity 1.2s cubic-bezier(0.34, 1.56, 0.64, 1), 
                transform 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Прилёт слева с вращением */
.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-150px) rotate(-20deg) scale(0.7);
    transition: opacity 1.3s cubic-bezier(0.34, 1.56, 0.64, 1), 
                transform 1.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scroll-reveal-left.revealed {
    opacity: 1;
    transform: translateX(0) rotate(0deg) scale(1);
}

/* Прилёт справа с вращением */
.scroll-reveal-right {
    opacity: 0;
    transform: translateX(150px) rotate(20deg) scale(0.7);
    transition: opacity 1.3s cubic-bezier(0.34, 1.56, 0.64, 1), 
                transform 1.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scroll-reveal-right.revealed {
    opacity: 1;
    transform: translateX(0) rotate(0deg) scale(1);
}

/* Прилёт с масштабированием и bounce */
.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.2) rotate(180deg);
    transition: opacity 1.2s cubic-bezier(0.68, -0.55, 0.265, 1.55), 
                transform 1.2s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.scroll-reveal-scale.revealed {
    opacity: 1;
    transform: scale(1) rotate(0deg);
}

/* Прилёт снизу с bounce эффектом */
.scroll-reveal-bounce {
    opacity: 0;
    transform: translateY(120px) scale(0.6);
    transition: opacity 1.1s ease, 
                transform 1.1s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.scroll-reveal-bounce.revealed {
    opacity: 1;
    transform: translateY(0) scale(1);
}

/* Прилёт с flip эффектом */
.scroll-reveal-flip {
    opacity: 0;
    transform: perspective(1000px) rotateY(90deg) scale(0.7);
    transform-style: preserve-3d;
    transition: opacity 1.2s ease, 
                transform 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scroll-reveal-flip.revealed {
    opacity: 1;
    transform: perspective(1000px) rotateY(0deg) scale(1);
}

/* Прилёт сверху с падением */
.scroll-reveal-drop {
    opacity: 0;
    transform: translateY(-180px) rotate(-25deg);
    transition: opacity 1.2s cubic-bezier(0.34, 1.56, 0.64, 1), 
                transform 1.2s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scroll-reveal-drop.revealed {
    opacity: 1;
    transform: translateY(0) rotate(0deg);
}

/* Прилёт по диагонали */
.scroll-reveal-diagonal {
    opacity: 0;
    transform: translate(-100px, -100px) rotate(-30deg) scale(0.5);
    transition: opacity 1.3s cubic-bezier(0.34, 1.56, 0.64, 1), 
                transform 1.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.scroll-reveal-diagonal.revealed {
    opacity: 1;
    transform: translate(0, 0) rotate(0deg) scale(1);
}

/* ===================== HEADER SECTION С НОВЫМИ ЭФФЕКТАМИ ===================== */
header.bg-dark {
    position: relative;
    overflow: hidden;
    padding: 4rem 0 2rem;
    background: linear-gradient(135deg, var(--silver-light) 0%, var(--silver-mid) 50%, var(--silver-dark) 100%);
}

/* Плавающие частицы в header */
header.bg-dark::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(255,255,255,0.15) 0%, transparent 70%);
    animation: rotateGlow 20s linear infinite;
    pointer-events: none;
}

/* Дополнительный слой свечения */
header.bg-dark::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255,255,255,0.1) 0%, transparent 50%);
    animation: breathe 4s ease-in-out infinite;
    pointer-events: none;
}

@keyframes breathe {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

@keyframes rotateGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

header .text-success {
    color: var(--silver-darker) !important;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    animation: slideInFromTop 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s backwards, textGlow 3s ease-in-out infinite;
}

/* Анимация прилёта сверху */
@keyframes slideInFromTop {
    0% {
        opacity: 0;
        transform: translateY(-100px) scale(0.5);
    }
    60% {
        transform: translateY(10px) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes textGlow {
    0%, 100% { text-shadow: 0 0 10px rgba(0,0,0,0.1); }
    50% { text-shadow: 0 0 20px rgba(0,0,0,0.2); }
}

header h1 {
    color: var(--text-dark);
    font-weight: 800;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.1);
    animation: zoomInRotate 1.2s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.4s backwards, floatText 6s ease-in-out infinite;
}

/* Эффектный зум с вращением */
@keyframes zoomInRotate {
    0% {
        opacity: 0;
        transform: scale(0.2) rotate(-180deg);
    }
    60% {
        transform: scale(1.1) rotate(5deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

@keyframes floatText {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-5px); }
}

/* Улучшенный Slider с эффектным появлением */
.simple-slider {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(255,255,255,0.2);
    animation: slideUpScale 1.4s cubic-bezier(0.34, 1.56, 0.64, 1) 0.6s backwards, floatSlider 8s ease-in-out infinite;
    position: relative;
}

/* Прилёт снизу с масштабированием */
@keyframes slideUpScale {
    0% {
        opacity: 0;
        transform: translateY(150px) scale(0.6) rotateX(30deg);
        transform-style: preserve-3d;
    }
    60% {
        transform: translateY(-20px) scale(1.05) rotateX(-5deg);
    }
    100% {
        opacity: 1;
        transform: translateY(0) scale(1) rotateX(0deg);
    }
}

@keyframes floatSlider {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.simple-slider::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, transparent 0%, rgba(0,0,0,0.1) 100%);
    pointer-events: none;
}

/* Эффект мерцания на hover */
.simple-slider::before {
    content: "";
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: linear-gradient(45deg, transparent 40%, rgba(255,255,255,0.3) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: transform 0.8s ease;
    pointer-events: none;
    z-index: 1;
}

.simple-slider:hover::before {
    transform: translateX(100%);
}

/* ===================== FIRST ANCHOR - ПРЕИМУЩЕСТВА С НОВЫМИ ЭФФЕКТАМИ ===================== */
#first_anchor {
    padding: 5rem 0;
    overflow: hidden;
    position: relative;
}

/* Анимированный фон */
#first_anchor::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(255,255,255,0.05) 0%, transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(255,255,255,0.05) 0%, transparent 30%);
    animation: movingBackground 15s ease-in-out infinite;
    pointer-events: none;
}

@keyframes movingBackground {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, 20px); }
}

#first_anchor .text-success {
    color: var(--silver-darker) !important;
    font-weight: 700;
    letter-spacing: 1px;
}

#first_anchor h3 {
    color: var(--text-dark);
    font-weight: 800;
    margin-bottom: 3rem;
    position: relative;
}

/* Подчеркивание заголовка с анимацией */
#first_anchor h3::after {
    content: "";
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--silver-dark), transparent);
    animation: expandLine 1.5s ease forwards 0.5s;
}

@keyframes expandLine {
    to { width: 100px; }
}

#first_anchor .card {
    position: relative;
    background: linear-gradient(145deg, var(--silver-light), var(--silver-mid));
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 20px;
    box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255,255,255,0.5);
    transition: all var(--transition-mid);
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
    will-change: transform;
}

/* Анимированный блик */
#first_anchor .card::before {
    content: "";
    position: absolute;
    top: -100%;
    left: -100%;
    width: 300%;
    height: 300%;
    background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
    transition: all 0.6s ease;
    pointer-events: none;
}

#first_anchor .card:hover::before {
    top: -50%;
    left: -50%;
}

/* Волны на картах */
#first_anchor .card::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--silver-mid), var(--silver-light), var(--silver-mid));
    background-size: 200% 100%;
    animation: waveMove 3s linear infinite;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#first_anchor .card:hover::after {
    opacity: 1;
}

@keyframes waveMove {
    to { background-position: 200% 0; }
}

#first_anchor .card:hover {
    transform: translateY(-12px) scale(1.03) rotateX(2deg);
    box-shadow: var(--shadow-lg), 0 0 40px rgba(255,255,255,0.3), inset 0 1px 0 rgba(255,255,255,0.7);
}

#first_anchor .bs-icon-lg {
    width: 70px;
    height: 70px;
    background: linear-gradient(145deg, rgba(255,255,255,0.9), var(--silver-mid));
    border-radius: 50%;
    box-shadow: 0 6px 20px rgba(0,0,0,0.15), inset 0 2px 4px rgba(255,255,255,0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    color: var(--text-dark);
    transition: all var(--transition-fast);
    position: relative;
}

/* Пульсация иконки */
#first_anchor .bs-icon-lg::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: rgba(255,255,255,0.4);
    animation: iconPulse 2s ease-in-out infinite;
    opacity: 0;
}

@keyframes iconPulse {
    0% { transform: translate(-50%, -50%) scale(1); opacity: 0.6; }
    100% { transform: translate(-50%, -50%) scale(1.5); opacity: 0; }
}

#first_anchor .card:hover .bs-icon-lg {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 8px 25px rgba(0,0,0,0.2);
}

#first_anchor .card-title {
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.2rem;
    font-size: 1.4rem;
}

#first_anchor .card-text {
    color: var(--text-mid) !important;
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Staggered Animation - Карточки прилетают с разных сторон */
#first_anchor .col {
    animation: none; /* Отключаем старую анимацию */
}

#first_anchor .col:nth-child(1) { 
    animation: flyInFromLeft 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.1s backwards;
}
#first_anchor .col:nth-child(2) { 
    animation: flyInFromTop 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.3s backwards;
}
#first_anchor .col:nth-child(3) { 
    animation: flyInFromBottom 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.5s backwards;
}
#first_anchor .col:nth-child(4) { 
    animation: flyInFromRight 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.7s backwards;
}

/* Анимация прилёта слева */
@keyframes flyInFromLeft {
    0% {
        opacity: 0;
        transform: translateX(-200px) rotate(-30deg) scale(0.5);
    }
    60% {
        transform: translateX(20px) rotate(5deg) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateX(0) rotate(0deg) scale(1);
    }
}

/* Анимация прилёта сверху */
@keyframes flyInFromTop {
    0% {
        opacity: 0;
        transform: translateY(-200px) rotate(20deg) scale(0.5);
    }
    60% {
        transform: translateY(20px) rotate(-5deg) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotate(0deg) scale(1);
    }
}

/* Анимация прилёта снизу */
@keyframes flyInFromBottom {
    0% {
        opacity: 0;
        transform: translateY(200px) rotate(-20deg) scale(0.5);
    }
    60% {
        transform: translateY(-20px) rotate(5deg) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotate(0deg) scale(1);
    }
}

/* Анимация прилёта справа */
@keyframes flyInFromRight {
    0% {
        opacity: 0;
        transform: translateX(200px) rotate(30deg) scale(0.5);
    }
    60% {
        transform: translateX(-20px) rotate(-5deg) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateX(0) rotate(0deg) scale(1);
    }
}

/* ===================== SECOND ANCHOR - КАРТА С НОВЫМИ ЭФФЕКТАМИ ===================== */
#second_anchor {
    padding: 5rem 0;
    position: relative;
    background: linear-gradient(135deg, var(--silver-light) 0%, var(--silver-mid) 100%);
}

/* Плавающие формы в фоне */
#second_anchor::before {
    content: "";
    position: absolute;
    top: 20%;
    left: 10%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: floatShape1 12s ease-in-out infinite;
    pointer-events: none;
}

#second_anchor::after {
    content: "";
    position: absolute;
    bottom: 20%;
    right: 10%;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: floatShape2 15s ease-in-out infinite;
    pointer-events: none;
}

@keyframes floatShape1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(30px, -30px) scale(1.1); }
}

@keyframes floatShape2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    50% { transform: translate(-20px, 20px) scale(0.9); }
}

#second_anchor .card {
    background: linear-gradient(145deg, var(--silver-light), var(--silver-dark));
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 22px;
    box-shadow: var(--shadow-md), inset 0 2px 4px rgba(255,255,255,0.3);
    transition: all var(--transition-mid);
    overflow: hidden;
    position: relative;
    transform-style: preserve-3d;
}

/* Ripple эффект */
#second_anchor .card::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
    border-radius: 50%;
    pointer-events: none;
}

#second_anchor .card:hover::after {
    width: 200%;
    height: 200%;
}

/* Граница с градиентом */
#second_anchor .card::before {
    content: "";
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, rgba(255,255,255,0.5), rgba(255,255,255,0.1));
    border-radius: 22px;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s ease;
}

#second_anchor .card:hover::before {
    opacity: 1;
}

#second_anchor .card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-lg), 0 0 50px rgba(255,255,255,0.4);
    z-index: 10;
}

#second_anchor .card-text.fw-bold {
    color: var(--text-dark);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

#second_anchor .card-title {
    color: var(--text-dark);
    font-weight: 800;
    font-size: 1.3rem;
    margin: 1rem 0;
}

#second_anchor .btn {
    background: linear-gradient(90deg, var(--silver-mid), var(--silver-dark));
    color: var(--text-dark);
    font-weight: 700;
    padding: 10px 24px;
    border-radius: 14px;
    border: 1px solid rgba(255,255,255,0.3);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    transition: all var(--transition-fast);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
    overflow: hidden;
}

/* Анимация кнопки при hover */
#second_anchor .btn::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    transform: translate(-50%, -50%);
    transition: width 0.5s ease, height 0.5s ease;
}

#second_anchor .btn:hover::before {
    width: 300px;
    height: 300px;
}

#second_anchor .btn:hover {
    background: linear-gradient(90deg, var(--silver-light), var(--silver-mid));
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}

/* Card Wave Animation - Карты прилетают с эффектом волны и вращения */
#second_anchor .col:nth-child(1) .card {
    animation: flipInFromLeft 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s backwards;
}
#second_anchor .col:nth-child(2) .card {
    animation: scaleInBounce 1.2s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.4s backwards;
}
#second_anchor .col:nth-child(3) .card {
    animation: flipInFromRight 1.2s cubic-bezier(0.34, 1.56, 0.64, 1) 0.6s backwards;
}

/* Прилёт с переворотом слева */
@keyframes flipInFromLeft {
    0% {
        opacity: 0;
        transform: translateX(-150px) rotateY(-90deg) scale(0.5);
        transform-style: preserve-3d;
    }
    60% {
        transform: translateX(20px) rotateY(10deg) scale(1.08);
    }
    100% {
        opacity: 1;
        transform: translateX(0) rotateY(0deg) scale(1);
    }
}

/* Прилёт с bounce эффектом */
@keyframes scaleInBounce {
    0% {
        opacity: 0;
        transform: scale(0.3) rotate(180deg);
    }
    50% {
        transform: scale(1.15) rotate(-10deg);
    }
    70% {
        transform: scale(0.95) rotate(5deg);
    }
    100% {
        opacity: 1;
        transform: scale(1) rotate(0deg);
    }
}

/* Прилёт с переворотом справа */
@keyframes flipInFromRight {
    0% {
        opacity: 0;
        transform: translateX(150px) rotateY(90deg) scale(0.5);
        transform-style: preserve-3d;
    }
    60% {
        transform: translateX(-20px) rotateY(-10deg) scale(1.08);
    }
    100% {
        opacity: 1;
        transform: translateX(0) rotateY(0deg) scale(1);
    }
}

/* ===================== THIRD ANCHOR - КОНТАКТЫ С НОВЫМИ ЭФФЕКТАМИ ===================== */
#third_anchor {
    background: linear-gradient(135deg, var(--silver-light) 0%, var(--silver-mid) 50%, var(--silver-dark) 100%);
    color: var(--text-dark);
    position: relative;
    overflow: hidden;
    padding: 5rem 0;
}

/* Анимированное свечение */
#third_anchor::before {
    content: "";
    position: absolute;
    top: -50%;
    right: -50%;
    width: 150%;
    height: 150%;
    background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 0.8; }
}

/* Дополнительные светящиеся точки */
#third_anchor::after {
    content: "";
    position: absolute;
    top: 30%;
    left: 20%;
    width: 100px;
    height: 100px;
    background: radial-gradient(circle, rgba(255,255,255,0.15) 0%, transparent 60%);
    border-radius: 50%;
    animation: floatDot 10s ease-in-out infinite;
    pointer-events: none;
}

@keyframes floatDot {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(50px, -50px); }
}

#third_anchor h2 {
    color: var(--text-dark);
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 2.5rem;
    text-shadow: 2px 2px 8px rgba(0,0,0,0.1);
    position: relative;
    z-index: 1;
}

#third_anchor p.fw-bold.text-success {
    color: var(--silver-darker);
    letter-spacing: 1.5px;
    font-weight: 700;
    text-transform: uppercase;
}

#third_anchor .col-md-4 {
    background: linear-gradient(145deg, rgba(255,255,255,0.9), var(--silver-mid));
    border: 1px solid rgba(255,255,255,0.5);
    border-radius: 24px;
    box-shadow: var(--shadow-md), inset 0 2px 4px rgba(255,255,255,0.3);
    transition: all var(--transition-mid);
    overflow: hidden;
    cursor: pointer;
    padding: 2rem 1.5rem;
    position: relative;
    backdrop-filter: blur(10px);
}

/* Sliding shine effect */
#third_anchor .col-md-4::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.6s ease;
}

#third_anchor .col-md-4:hover::before {
    left: 100%;
}

#third_anchor .col-md-4:hover {
    transform: translateY(-12px) scale(1.03);
    box-shadow: var(--shadow-lg), 0 0 50px rgba(255,255,255,0.4);
}

#third_anchor .d-flex.flex-md-column > div {
    width: 100% !important;
    margin: 0.6rem 0;
    border-radius: 14px;
    padding: 1rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 1.2rem;
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

/* Левая граница с анимацией */
#third_anchor .d-flex.flex-md-column > div::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 3px;
    height: 100%;
    background: linear-gradient(180deg, var(--silver-dark), var(--silver-mid));
    transform: scaleY(0);
    transition: transform var(--transition-fast);
}

#third_anchor .d-flex.flex-md-column > div:hover::before {
    transform: scaleY(1);
}

/* Фоновая подсветка */
#third_anchor .d-flex.flex-md-column > div::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
    border-radius: 50%;
    z-index: 0;
}

#third_anchor .d-flex.flex-md-column > div:hover::after {
    width: 200%;
    height: 200%;
}

#third_anchor .d-flex.flex-md-column > div:hover {
    background: rgba(255,255,255,0.25);
    transform: translateX(8px);
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}

#third_anchor .bs-icon-md {
    width: 56px;
    height: 56px;
    background: linear-gradient(145deg, var(--silver-light), var(--silver-mid));
    color: var(--text-dark);
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    font-size: 1.6rem;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15), inset 0 2px 4px rgba(255,255,255,0.3);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

#third_anchor .d-flex.flex-md-column > div:hover .bs-icon-md {
    transform: scale(1.15) rotate(15deg);
    box-shadow: 0 8px 20px rgba(0,0,0,0.25);
}

#third_anchor .px-2 {
    position: relative;
    z-index: 1;
}

#third_anchor .px-2 h6 {
    color: var(--text-dark);
    font-weight: 700;
    margin-bottom: 0.3rem;
    font-size: 1rem;
}

#third_anchor .px-2 p {
    color: var(--text-mid) !important;
    font-size: 0.9rem;
    margin: 0;
}

/* Staggered Animation for Contact Columns - Эффектный прилёт */
#third_anchor .col-md-4:nth-child(1) {
    animation: slideInRotateLeft 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s backwards;
}
#third_anchor .col-md-4:nth-child(2) {
    animation: dropInBounce 1.2s cubic-bezier(0.68, -0.55, 0.265, 1.55) 0.4s backwards;
}
#third_anchor .col-md-4:nth-child(3) {
    animation: slideInRotateRight 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.6s backwards;
}

/* Прилёт слева с вращением */
@keyframes slideInRotateLeft {
    0% {
        opacity: 0;
        transform: translateX(-200px) rotate(-45deg) scale(0.3);
    }
    60% {
        transform: translateX(30px) rotate(8deg) scale(1.1);
    }
    80% {
        transform: translateX(-10px) rotate(-3deg) scale(1.02);
    }
    100% {
        opacity: 1;
        transform: translateX(0) rotate(0deg) scale(1);
    }
}

/* Падение сверху с bounce */
@keyframes dropInBounce {
    0% {
        opacity: 0;
        transform: translateY(-300px) rotate(0deg) scale(0.5);
    }
    40% {
        transform: translateY(30px) scale(1.15);
    }
    60% {
        transform: translateY(-15px) scale(0.95);
    }
    80% {
        transform: translateY(8px) scale(1.05);
    }
    100% {
        opacity: 1;
        transform: translateY(0) rotate(0deg) scale(1);
    }
}

/* Прилёт справа с вращением */
@keyframes slideInRotateRight {
    0% {
        opacity: 0;
        transform: translateX(200px) rotate(45deg) scale(0.3);
    }
    60% {
        transform: translateX(-30px) rotate(-8deg) scale(1.1);
    }
    80% {
        transform: translateX(10px) rotate(3deg) scale(1.02);
    }
    100% {
        opacity: 1;
        transform: translateX(0) rotate(0deg) scale(1);
    }
}

/* ===================== FOOTER С НОВЫМИ ЭФФЕКТАМИ ===================== */
footer.bg-dark {
    background: linear-gradient(135deg, var(--silver-dark) 0%, var(--text-dark) 100%) !important;
    color: var(--silver-light);
    margin-top: 5rem;
    position: relative;
    overflow: hidden;
}

/* Анимированные волны в footer */
footer.bg-dark::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--silver-light), transparent);
    background-size: 200% 100%;
    animation: footerWave 3s linear infinite;
}

@keyframes footerWave {
    to { background-position: 200% 0; }
}

footer h3 {
    color: var(--silver-light);
    font-weight: 700;
    position: relative;
}

footer a {
    color: var(--silver-mid);
    transition: all var(--transition-fast);
    position: relative;
    padding-left: 0;
}

footer a::before {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 0;
    height: 2px;
    background: var(--silver-light);
    transition: width var(--transition-fast);
}

footer a:hover {
    color: var(--silver-light);
    padding-left: 8px;
}

footer a:hover::before {
    width: 100%;
}

/* Социальные иконки с hover эффектом */
footer .list-inline-item svg {
    transition: all 0.3s ease;
}

footer .list-inline-item:hover svg {
    transform: scale(1.2) rotate(5deg);
    filter: drop-shadow(0 0 5px rgba(255,255,255,0.5));
}

/* ===================== KEYFRAME ANIMATIONS ===================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===================== RESPONSIVE DESIGN ===================== */
@media (max-width: 992px) {
    #first_anchor h3,
    #third_anchor h2 {
        font-size: 2rem;
    }
    
    #first_anchor .card,
    #second_anchor .card,
    #third_anchor .col-md-4 {
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 1.8rem;
    }
    
    #first_anchor,
    #second_anchor,
    #third_anchor {
        padding: 3rem 0;
    }
    
    #first_anchor .bs-icon-lg {
        width: 60px;
        height: 60px;
        font-size: 1.6rem;
    }
    
    #third_anchor .bs-icon-md {
        width: 48px;
        height: 48px;
        font-size: 1.4rem;
    }
    
    #third_anchor .d-flex.flex-md-column {
        flex-direction: column;
    }
    
    #third_anchor .col-md-4:nth-child(1),
    #third_anchor .col-md-4:nth-child(2),
    #third_anchor .col-md-4:nth-child(3) {
        animation: fadeInUp 0.8s ease backwards;
    }
}

@media (max-width: 576px) {
    #first_anchor .card-title,
    #second_anchor .card-title {
        font-size: 1.2rem;
    }
    
    #first_anchor .card-text,
    #second_anchor .card-text {
        font-size: 0.9rem;
    }
    
    #third_anchor h2 {
        font-size: 1.6rem;
    }
}

/* ===================== PERFORMANCE OPTIMIZATIONS ===================== */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.card,
.bs-icon-lg,
.bs-icon-md,
.btn {
    will-change: transform;
}

/* Отключение анимаций для устройств с низкой производительностью */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* GPU ускорение для критических элементов */
header.bg-dark,
.simple-slider,
#first_anchor .card,
#second_anchor .card,
#third_anchor .col-md-4 {
    transform: translateZ(0);
    backface-visibility: hidden;
}