/* Modern Section Transitions & Dividers */

/* Simple fade transition between sections */
.section-fade {
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Subtle gradient overlay at section edges */
.section-gradient-top {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to bottom, rgba(255,255,255,1) 0%, rgba(255,255,255,0) 100%);
    pointer-events: none;
    z-index: 1;
}

.section-gradient-bottom {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, rgba(244,244,244,1) 0%, rgba(244,244,244,0) 100%);
    pointer-events: none;
    z-index: 1;
}

/* Animated Gradient Divider */
.gradient-divider {
    position: relative;
    height: 200px;
    margin: -100px 0;
    background: linear-gradient(
        135deg,
        transparent 0%,
        rgba(15, 114, 181, 0.03) 25%,
        rgba(15, 114, 181, 0.08) 50%,
        rgba(15, 114, 181, 0.03) 75%,
        transparent 100%
    );
    z-index: 5;
    overflow: hidden;
}

.gradient-divider::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 200%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(15, 114, 181, 0.2),
        transparent
    );
    animation: shimmerDivider 8s infinite;
}

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

/* Diagonal Section Transitions */
.diagonal-section {
    position: relative;
    padding: 120px 0 80px;
    margin-top: -50px;
    clip-path: polygon(0 50px, 100% 0, 100% 100%, 0 100%);
}

.diagonal-section-reverse {
    position: relative;
    padding: 120px 0 80px;
    margin-top: -50px;
    clip-path: polygon(0 0, 100% 50px, 100% 100%, 0 100%);
}

/* Blob Divider */
.blob-divider {
    position: absolute;
    bottom: -150px;
    left: 0;
    width: 100%;
    height: 300px;
    z-index: 5;
    pointer-events: none;
}

.blob-shape {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #0f72b5, #00406e);
    opacity: 0.1;
    border-radius: 40% 60% 60% 40% / 60% 30% 70% 40%;
    animation: morphBlob 20s ease-in-out infinite;
}

@keyframes morphBlob {
    0%, 100% {
        border-radius: 40% 60% 60% 40% / 60% 30% 70% 40%;
        transform: translate(0, 0) scale(1);
    }
    33% {
        border-radius: 60% 40% 30% 70% / 60% 70% 30% 40%;
        transform: translate(-30px, -20px) scale(1.1);
    }
    66% {
        border-radius: 30% 70% 70% 30% / 30% 60% 40% 70%;
        transform: translate(30px, 20px) scale(0.9);
    }
}

/* Particle Bridge */
.particle-bridge {
    position: absolute;
    width: 100%;
    height: 200px;
    bottom: -100px;
    left: 0;
    z-index: 8;
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: #0f72b5;
    border-radius: 50%;
    opacity: 0.6;
}

@keyframes floatParticle {
    0% {
        transform: translateY(100px) translateX(0);
        opacity: 0;
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.6;
    }
    100% {
        transform: translateY(-100px) translateX(100px);
        opacity: 0;
    }
}

/* Curved Section */
.curved-section {
    position: relative;
    padding-top: 100px;
    margin-top: -80px;
}

.curved-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: inherit;
    border-radius: 0 0 50% 50% / 0 0 100% 100%;
    transform: scaleX(1.5);
}

/* Glass Transition */
.glass-transition {
    position: relative;
    margin: 50px 0;
    padding: 40px 0;
    background: linear-gradient(
        135deg,
        rgba(255, 255, 255, 0.1) 0%,
        rgba(255, 255, 255, 0.05) 100%
    );
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid rgba(15, 114, 181, 0.1);
    border-bottom: 1px solid rgba(15, 114, 181, 0.1);
}

/* Zigzag Border */
.zigzag-top {
    position: relative;
    padding-top: 40px;
}

.zigzag-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background: linear-gradient(
        135deg,
        transparent 33.33%,
        #0f72b5 33.33%,
        #0f72b5 66.66%,
        transparent 66.66%
    );
    background-size: 30px 60px;
    opacity: 0.1;
}

/* Flowing Lines */
.flow-lines {
    position: absolute;
    width: 100%;
    height: 200px;
    bottom: -100px;
    left: 0;
    overflow: hidden;
    z-index: 5;
}

.flow-line {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, transparent, #0f72b5, transparent);
    animation: flowLine 6s infinite;
}

.flow-line:nth-child(1) {
    top: 20%;
    animation-delay: 0s;
    width: 60%;
}

.flow-line:nth-child(2) {
    top: 40%;
    animation-delay: 1s;
    width: 80%;
}

.flow-line:nth-child(3) {
    top: 60%;
    animation-delay: 2s;
    width: 70%;
}

.flow-line:nth-child(4) {
    top: 80%;
    animation-delay: 3s;
    width: 90%;
}

@keyframes flowLine {
    0% {
        transform: translateX(-100%);
        opacity: 0;
    }
    50% {
        opacity: 1;
    }
    100% {
        transform: translateX(200%);
        opacity: 0;
    }
}

/* Reveal Sections with Mask */
.section-reveal {
    position: relative;
    overflow: hidden;
}

.section-reveal::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: revealMask 2s ease-out forwards;
}

@keyframes revealMask {
    to {
        left: 100%;
    }
}

/* Geometric Pattern Divider */
.geometric-divider {
    position: relative;
    height: 100px;
    margin: 40px 0;
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(15, 114, 181, 0.05) 10px,
            rgba(15, 114, 181, 0.05) 20px
        ),
        repeating-linear-gradient(
            -45deg,
            transparent,
            transparent 10px,
            rgba(15, 114, 181, 0.05) 10px,
            rgba(15, 114, 181, 0.05) 20px
        );
}

/* Animated Border */
.animated-border {
    position: relative;
    padding: 80px 0;
}

.animated-border::before,
.animated-border::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(
        90deg,
        transparent,
        #0f72b5 20%,
        #0f72b5 80%,
        transparent
    );
}

.animated-border::before {
    top: 0;
    animation: borderSlide 4s infinite;
}

.animated-border::after {
    bottom: 0;
    animation: borderSlide 4s infinite reverse;
}

@keyframes borderSlide {
    0%, 100% {
        transform: translateX(-100%);
    }
    50% {
        transform: translateX(100%);
    }
}

/* Section Fade Transitions */
.fade-section {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* Parallax Background Sections */
.parallax-section {
    position: relative;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.parallax-bg {
    position: absolute;
    top: -20%;
    left: 0;
    width: 100%;
    height: 120%;
    background-image: linear-gradient(135deg, rgba(15, 114, 181, 0.05) 0%, transparent 100%);
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    will-change: transform;
}

/* Split Color Section */
.split-section {
    position: relative;
    overflow: hidden;
}

.split-section::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(
        45deg,
        transparent 48%,
        rgba(15, 114, 181, 0.05) 49%,
        rgba(15, 114, 181, 0.05) 51%,
        transparent 52%
    );
    animation: rotateSplit 20s linear infinite;
}

@keyframes rotateSplit {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}