/* ===================================
   KRISTAL CAM MONTAJ - INTRO ANIMATION
   =================================== */

/* Intro Container - Fullscreen Overlay */
#intro-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: linear-gradient(135deg, #05101a 0%, #0a1f2e 100%);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    animation: fadeIn 0.5s ease-in;
}

#intro-overlay.hidden {
    animation: fadeOut 1s ease-out forwards;
    pointer-events: none;
}

/* Animated Background Particles */
#intro-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0, 123, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 123, 255, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(0, 123, 255, 0.05) 0%, transparent 50%);
    animation: particleFloat 20s ease-in-out infinite;
}

/* Shimmer Effect */
#intro-overlay::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg,
            transparent 30%,
            rgba(27, 127, 204, 0.05) 50%,
            transparent 70%);
    animation: shimmer 8s linear infinite;
}

/* Intro Content Container */
.intro-content {
    position: relative;
    z-index: 2;
    text-align: center;
    width: 90%;
    max-width: 1200px;
}

/* Logo Animation Container */
.intro-logo-container {
    margin-bottom: 4rem;
    animation: logoEntrance 2s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
    opacity: 0;
}

.intro-logo-container img {
    max-width: 400px;
    width: 80%;
    height: auto;
    filter: drop-shadow(0 10px 40px rgba(100, 255, 218, 0.3));
}

/* Company Name */
.intro-company-name {
    font-size: 3rem;
    font-weight: 700;
    color: #1b7fcc;
    margin-top: 1.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    animation: textGlow 2s ease-in-out infinite alternate;
}

/* Tagline */
.intro-tagline {
    font-size: 1.3rem;
    color: #b0c4de;
    margin-top: 1rem;
    font-weight: 300;
    letter-spacing: 1px;
}

/* Services Showcase Container */
.intro-services {
    margin-top: 3rem;
    position: relative;
    height: 400px;
    perspective: 1000px;
}

/* Service Card */
.intro-service-card {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 800px;
    height: 350px;
    border-radius: 20px;
    overflow: hidden;
    opacity: 0;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(27, 127, 204, 0.3);
    backdrop-filter: blur(10px);
}

.intro-service-card.active {
    animation: cardEntrance 1s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

.intro-service-card.exit {
    animation: cardExit 0.8s cubic-bezier(0.55, 0.085, 0.68, 0.53) forwards;
}

/* Service Card Background */
.intro-service-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    filter: brightness(0.6);
    transition: transform 0.5s ease;
}

.intro-service-card:hover .intro-service-bg {
    transform: scale(1.05);
}

/* Service Card Overlay */
.intro-service-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(5, 16, 26, 0.9) 0%, rgba(10, 31, 46, 0.8) 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

/* Service Icon */
.intro-service-icon {
    font-size: 4rem;
    color: #1b7fcc;
    margin-bottom: 1.5rem;
    animation: iconPulse 2s ease-in-out infinite;
    text-shadow: 0 0 20px rgba(27, 127, 204, 0.4);
}

/* Service Title */
.intro-service-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Service Description */
.intro-service-desc {
    font-size: 1.2rem;
    color: #b0c4de;
    max-width: 600px;
    line-height: 1.6;
}

/* Skip Button */
.intro-skip-btn {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: rgba(100, 255, 218, 0.1);
    border: 2px solid #64ffda;
    color: #64ffda;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 3;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.intro-skip-btn:hover {
    background: #1b7fcc;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(27, 127, 204, 0.4);
}

/* Progress Indicator */
.intro-progress {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 0.8rem;
    z-index: 3;
}

.intro-progress-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(100, 255, 218, 0.3);
    transition: all 0.3s ease;
}

.intro-progress-dot.active {
    background: #1b7fcc;
    transform: scale(1.3);
    box-shadow: 0 0 20px rgba(27, 127, 204, 0.6);
}

/* ===================================
   ANIMATIONS
   =================================== */

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
    }
}

@keyframes logoEntrance {
    0% {
        opacity: 0;
        transform: scale(0.5) translateY(-50px);
    }

    100% {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

@keyframes textGlow {
    0% {
        text-shadow: 0 0 20px rgba(27, 127, 204, 0.4);
    }

    100% {
        text-shadow: 0 0 40px rgba(27, 127, 204, 0.7);
    }
}

@keyframes cardEntrance {
    0% {
        opacity: 0;
        transform: translateX(-50%) translateY(50px) rotateX(20deg);
    }

    100% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) rotateX(0deg);
    }
}

@keyframes cardExit {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0) rotateX(0deg);
    }

    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(-50px) rotateX(-20deg);
    }
}

@keyframes iconPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

@keyframes particleFloat {

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

    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%);
    }

    100% {
        transform: translateX(100%) translateY(100%);
    }
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */

@media (max-width: 768px) {
    .intro-company-name {
        font-size: 2rem;
    }

    .intro-tagline {
        font-size: 1rem;
    }

    .intro-services {
        height: 300px;
    }

    .intro-service-card {
        max-width: 90%;
        height: 280px;
    }

    .intro-service-icon {
        font-size: 3rem;
        margin-bottom: 1rem;
    }

    .intro-service-title {
        font-size: 1.8rem;
    }

    .intro-service-desc {
        font-size: 1rem;
    }

    .intro-skip-btn {
        top: 1rem;
        right: 1rem;
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }

    .intro-progress {
        bottom: 2rem;
    }

    .intro-logo-container img {
        max-width: 250px;
    }
}

@media (max-width: 480px) {
    .intro-company-name {
        font-size: 1.5rem;
    }

    .intro-tagline {
        font-size: 0.9rem;
    }

    .intro-services {
        height: 250px;
    }

    .intro-service-card {
        height: 220px;
    }

    .intro-service-icon {
        font-size: 2.5rem;
    }

    .intro-service-title {
        font-size: 1.4rem;
    }

    .intro-service-desc {
        font-size: 0.9rem;
    }
}