/* =================================
   🎯 MISSION & VISION - PROGRESSIVE REVEAL
   Ultra Modern Scroll-Triggered Animation System
   ================================= */

/* Mission Vision Section */
.mission-vision-section {
    position: relative;
    height: 100vh;
    min-height: 600px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--black);
    z-index: 1;
}

/* Background Image Container */
.mission-vision-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?ixlib=rb-4.0.3&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 1;
    
    /* Initial State - Blurred and Zoomed */
    filter: blur(15px) brightness(0.3);
    transform: scale(1.3);
    transition: all 2.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    will-change: transform, filter;
}

/* Progressive States */
.mission-vision-section.reveal-stage-1 .mission-vision-bg {
    filter: blur(8px) brightness(0.5);
    transform: scale(1.15);
}

.mission-vision-section.reveal-stage-2 .mission-vision-bg {
    filter: blur(3px) brightness(0.7);
    transform: scale(1.05);
}

.mission-vision-section.reveal-stage-3 .mission-vision-bg {
    filter: blur(0px) brightness(0.4);
    transform: scale(1);
}

/* Gradient Overlay */
.mission-vision-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        135deg,
        rgba(15, 20, 25, 0.8) 0%,
        rgba(30, 42, 58, 0.7) 30%,
        rgba(231, 76, 60, 0.2) 70%,
        rgba(15, 20, 25, 0.9) 100%
    );
    z-index: 2;
    opacity: 0.8;
    transition: opacity 2s ease;
}

.mission-vision-section.reveal-stage-3 .mission-vision-overlay {
    opacity: 0.6;
}

/* Content Container */
.mission-vision-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 1000px;
    padding: 0 20px;
    color: var(--primary-text-color);
}

/* Main Title with Mask Animation */
.mission-vision-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 900;
    line-height: 0.85;
    margin-bottom: 6rem;
    position: relative;
    overflow: hidden;
    perspective: 1000px;
    letter-spacing: -0.03em;
}

.title-word {
    display: inline-block;
    margin: 0 10px;
    position: relative;
    opacity: 0;
    transform: translateY(100px) rotateX(-90deg);
    transition: all 1.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-origin: bottom center;
    will-change: transform, opacity;
}

/* Tüm başlık kelimeleri aynı anda görünsün */
.mission-vision-section.reveal-stage-3 .title-word:nth-child(1) {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
    transition-delay: 0.2s;
}

.mission-vision-section.reveal-stage-3 .title-word:nth-child(2) {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
    transition-delay: 0.4s;
}

.mission-vision-section.reveal-stage-3 .title-word:nth-child(3) {
    opacity: 1;
    transform: translateY(0) rotateX(0deg);
    transition-delay: 0.6s;
}

/* Title Gradient Effect */
.title-word {
    background: linear-gradient(
        135deg,
        var(--primary-text-color) 0%,
        var(--quaternary-color) 50%,
        var(--contact-accent-primary) 100%
    );
    background-size: 200% 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-flow 4s ease-in-out infinite alternate;
}

@keyframes gradient-flow {
    0% { background-position: 0% 50%; }
    100% { background-position: 100% 50%; }
}

/* Content Cards Container */
.mission-vision-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 4rem;
    opacity: 0;
    transform: translateY(80px);
    transition: all 1.5s cubic-bezier(0.25, 0.8, 0.25, 1);
    transition-delay: 0.5s;
}

.mission-vision-section.reveal-stage-3 .mission-vision-cards {
    opacity: 1;
    transform: translateY(0);
}

/* Individual Cards */
.mission-card,
.vision-card {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 25px;
    padding: 3rem 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.6s cubic-bezier(0.25, 0.8, 0.25, 1);
    transform: translateY(50px);
    opacity: 0;
}

/* Staggered Card Animation - Progressive */
.mission-vision-section.reveal-stage-3 .mission-card {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 0.8s;
}

.mission-vision-section.reveal-stage-3 .vision-card {
    opacity: 1;
    transform: translateY(0);
    transition-delay: 1.2s;
}

/* Card Hover Effects */
.mission-card:hover,
.vision-card:hover {
    transform: translateY(-15px) scale(1.02);
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 
        0 25px 60px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(231, 76, 60, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Card Headers */
.card-header {
    display: flex;
    align-items: flex-start; /* Üst hizalama için değiştirildi */
    margin-bottom: 2rem;
    gap: 0.8rem; /* Gap azaltıldı */
    min-height: 56px;
}

.card-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    transition: all 0.4s ease;
    position: relative;
    z-index: 1;
    flex-shrink: 0;
    margin-top: 0; /* Üst margin sıfırlandı */
}

.mission-card .card-icon {
    background: linear-gradient(135deg, var(--quaternary-color), #ff6b35);
    color: var(--primary-text-color);
    box-shadow: 0 8px 25px rgba(231, 76, 60, 0.3);
}

.vision-card .card-icon {
    background: linear-gradient(135deg, var(--contact-accent-primary), var(--gradient-blue));
    color: var(--primary-text-color);
    box-shadow: 0 8px 25px rgba(100, 181, 246, 0.3);
}

.card-icon::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.4s ease;
    z-index: -1;
}

.mission-card:hover .card-icon::before,
.vision-card:hover .card-icon::before {
    opacity: 1;
}

.card-icon:hover {
    transform: scale(1.1) rotateY(10deg);
}

.card-title {
    font-size: 1.7rem;
    font-weight: 700;
    color: var(--primary-text-color);
    margin: 0;
    padding: 0;
    letter-spacing: -0.01em;
    line-height: 1.2;
    display: flex;
    align-items: center;
    height: 56px;
    padding-top: 0.5rem; /* İkon ile aynı hizaya getirmek için */
}

/* Card Content */
.card-content {
    position: relative;
}

.card-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--text-secondary-alt);
    margin-bottom: 2rem;
    opacity: 0.9;
    font-weight: 400;
    letter-spacing: 0.01em;
}

/* Progressive Text Reveal */
.text-line {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.mission-vision-section.reveal-stage-3 .text-line {
    opacity: 1;
    transform: translateY(0);
}

.mission-vision-section.reveal-stage-3 .text-line:nth-child(1) { transition-delay: 1.4s; }
.mission-vision-section.reveal-stage-3 .text-line:nth-child(2) { transition-delay: 1.6s; }
.mission-vision-section.reveal-stage-3 .text-line:nth-child(3) { transition-delay: 1.8s; }
.mission-vision-section.reveal-stage-3 .text-line:nth-child(4) { transition-delay: 2.0s; }

/* Subtle Parallax on Hover */
.mission-vision-section:hover .mission-vision-content {
    transform: translateY(-5px);
    transition: transform 0.6s ease;
}

.mission-vision-section:hover .mission-vision-bg {
    transform: scale(1.01);
}

/* Floating Particles */
.mission-vision-particles {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 5;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    animation: float-particle 8s infinite ease-in-out;
}

.particle:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
    animation-duration: 6s;
}

.particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 2s;
    animation-duration: 8s;
}

.particle:nth-child(3) {
    top: 80%;
    left: 20%;
    animation-delay: 4s;
    animation-duration: 7s;
}

.particle:nth-child(4) {
    top: 30%;
    left: 70%;
    animation-delay: 1s;
    animation-duration: 9s;
}

.particle:nth-child(5) {
    top: 70%;
    left: 50%;
    animation-delay: 3s;
    animation-duration: 6s;
}

@keyframes float-particle {
    0%, 100% {
        transform: translateY(0) translateX(0) scale(1);
        opacity: 0.4;
    }
    25% {
        transform: translateY(-20px) translateX(10px) scale(1.2);
        opacity: 0.8;
    }
    50% {
        transform: translateY(-10px) translateX(-15px) scale(0.8);
        opacity: 0.6;
    }
    75% {
        transform: translateY(-30px) translateX(20px) scale(1.1);
        opacity: 0.7;
    }
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    opacity: 1;
    transition: opacity 1s ease;
    z-index: 15;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.mission-vision-section.reveal-stage-3 .scroll-indicator {
    opacity: 0;
}

.scroll-arrow {
    width: 2px;
    height: 30px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, 0.6));
    animation: scroll-bounce 2s infinite ease-in-out;
}

@keyframes scroll-bounce {
    0%, 100% { transform: translateY(0); opacity: 0.6; }
    50% { transform: translateY(10px); opacity: 1; }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .mission-vision-cards {
        gap: 2rem;
    }
    
    .mission-card,
    .vision-card {
        padding: 2.5rem 2rem;
    }
    
    .card-title {
        font-size: 1.6rem;
    }
    
    .card-description {
        font-size: 1rem;
    }
}

@media (max-width: 768px) {
    .mission-vision-section {
        min-height: 600px;
    }
    
    .mission-vision-cards {
        grid-template-columns: 1fr;
        gap: 2rem;
        margin-top: 3rem;
    }
    
    .mission-card,
    .vision-card {
        padding: 2rem 1.5rem;
    }
    
    .card-header {
        margin-bottom: 1.5rem;
        gap: 1rem;
    }
    
    .card-icon {
        width: 48px;
        height: 48px;
        font-size: 1.4rem;
    }
    
    .card-title {
        font-size: 1.4rem;
    }
    
    .card-description {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    /* Disable complex animations on mobile */
    .mission-vision-bg {
        background-attachment: scroll;
        filter: blur(0px) brightness(0.4);
        transform: scale(1);
    }
    
    .mission-vision-section:hover .mission-vision-content,
    .mission-vision-section:hover .mission-vision-bg {
        transform: none;
    }
}

@media (max-width: 480px) {
    .mission-vision-content {
        padding: 0 15px;
    }
    
    .mission-card,
    .vision-card {
        padding: 1.5rem 1rem;
        border-radius: 20px;
    }
    
    .card-header {
        flex-direction: row;
        text-align: left;
        gap: 0.8rem;
        align-items: center;
    }
    
    .card-icon {
        width: 42px;
        height: 42px;
        font-size: 1.2rem;
    }
    
    .card-title {
        font-size: 1.2rem;
    }
    
    .card-description {
        font-size: 0.9rem;
    }
    
    .scroll-indicator {
        bottom: 20px;
        font-size: 0.8rem;
    }
}

/* High Performance Mode */
@media (prefers-reduced-motion: reduce) {
    .mission-vision-bg,
    .title-word,
    .mission-vision-cards,
    .mission-card,
    .vision-card,
    .text-line,
    .particle {
        transition: none !important;
        animation: none !important;
        transform: none !important;
        opacity: 1 !important;
    }
    
    .mission-vision-bg {
        filter: blur(0px) brightness(0.4);
    }
}

/* High Contrast Support */
@media (prefers-contrast: high) {
    .mission-card,
    .vision-card {
        background: rgba(0, 0, 0, 0.8);
        border: 2px solid rgba(255, 255, 255, 0.5);
    }
    
    .card-description {
        color: var(--primary-text-color);
    }
    
    .mission-vision-overlay {
        background: rgba(0, 0, 0, 0.8);
    }
}