/**
 * ANIMATION SYSTEM - GSAP ile optimize edilmiş
 * Ankara Kiralık İskele Sitesi
 *
 * Özellikler:
 * - GSAP ile JavaScript tabanlı animasyonlar
 * - CSS sadece hover ve transition efektleri için
 * - Core Web Vitals optimize
 * - Mobil uyumlu
 * - prefers-reduced-motion desteği
 */

/* ============================
   BASE UTILITIES
   ============================ */

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Reduced motion desteği */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ============================
   HERO - GSAP ile yönetilir
   GSAP başlangıç durumunu JS'de set ediyor; burada CSS opacity:0 YOK
   ============================ */

@keyframes heroTitleIn {
    from { opacity: 0; transform: translateY(50px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes heroTextIn {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

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


/* ============================
   SCROLL REVEAL - GSAP ile yönetilir
   GSAP başlangıç durumunu JS'de set ediyor; burada CSS opacity:0 YOK
   ============================ */

/* ============================
   CARD HOVER EFFECTS - CSS (GSAP değil)
   ============================ */

.card-hover {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-hover:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 40px rgba(0, 102, 204, 0.2);
}

/* Card Lift Effect */
.card-lift {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-lift:hover {
    transform: translateY(-6px) scale(1.01);
    box-shadow: 0 15px 30px rgba(0, 102, 204, 0.15);
}

/* Card Shine Effect */
.card-shine {
    position: relative;
    overflow: hidden;
}

.card-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.5),
            transparent);
    transform: skewX(-25deg);
    transition: left 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-shine:hover::before {
    left: 150%;
}

/* Card Glow Effect */
.card-glow {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.card-glow:hover {
    transform: translateY(-6px);
    box-shadow: 0 0 25px rgba(0, 102, 204, 0.3),
        0 15px 30px rgba(0, 102, 204, 0.15);
}

/* ============================
   BUTTON ANIMATIONS - CSS
   ============================ */

.btn-animated {
    position: relative;
    overflow: hidden;
    transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1),
        box-shadow 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-animated:hover {
    transform: translateY(-2px);
}

.btn-animated:active {
    transform: translateY(0) scale(0.98);
}

/* Ripple Effect */
.btn-ripple {
    position: relative;
    overflow: hidden;
}

.btn-ripple::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s cubic-bezier(0.16, 1, 0.3, 1),
        height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-ripple:hover::after {
    width: 300px;
    height: 300px;
}

/* Shine Effect */
.btn-shine {
    position: relative;
    overflow: hidden;
}

.btn-shine::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 40%;
    height: 100%;
    background: linear-gradient(90deg,
            transparent,
            rgba(255, 255, 255, 0.5),
            transparent);
    transform: skewX(-25deg);
    transition: left 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-shine:hover::before {
    left: 150%;
}

/* Pulse Effect */
.btn-pulse {
    animation: btnPulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes btnPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(0, 102, 204, 0.7);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(0, 102, 204, 0);
    }
}

/* ============================
   COUNTER - GSAP ile yönetilir
   ============================ */
.counter {
    display: inline-block;
}

/* ============================
   ICON ANIMATIONS - CSS
   ============================ */

.icon-pulse {
    animation: iconPulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes iconPulse {

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

    50% {
        transform: scale(1.1);
        filter: brightness(1.15);
    }
}

.icon-bounce {
    animation: iconBounce 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes iconBounce {

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

    50% {
        transform: translateY(-10px);
    }
}

.icon-rotate {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.icon-rotate:hover {
    transform: rotate(15deg) scale(1.1);
}

.icon-shake {
    animation: iconShake 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes iconShake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px) rotate(-3deg);
    }

    75% {
        transform: translateX(5px) rotate(3deg);
    }
}

/* ============================
   NAVBAR - CSS
   ============================ */

.navbar {
    transition: background 0.3s ease,
        box-shadow 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* ============================
   MOBILE MENU - GSAP ile yönetilir
   ============================ */
.menu-toggle span {
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1),
        opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    transform-origin: center;
}

/* ============================
   FLOATING ANIMATIONS - CSS
   ============================ */

.float {
    animation: float 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes float {

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

    50% {
        transform: translateY(-12px);
    }
}

.float-slow {
    animation: floatSlow 4s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes floatSlow {

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

    50% {
        transform: translateY(-8px);
    }
}

/* ============================
   GLOW EFFECTS - CSS
   ============================ */

.glow {
    animation: glow 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 5px rgba(0, 102, 204, 0.5);
    }

    50% {
        box-shadow: 0 0 20px rgba(0, 102, 204, 0.7),
            0 0 30px rgba(0, 102, 204, 0.5);
    }
}

.text-glow {
    animation: textGlow 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes textGlow {

    0%,
    100% {
        text-shadow: 0 0 5px rgba(0, 102, 204, 0.5);
    }

    50% {
        text-shadow: 0 0 15px rgba(0, 102, 204, 0.7),
            0 0 25px rgba(0, 102, 204, 0.5);
    }
}

/* ============================
   LOADING ANIMATIONS - CSS
   ============================ */

.spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0, 102, 204, 0.2);
    border-top-color: #0066cc;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ============================
   PULSE ANIMATIONS - CSS
   ============================ */

.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulse {

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

    50% {
        opacity: 0.85;
        transform: scale(1.03);
    }
}

.pulse-strong {
    animation: pulseStrong 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes pulseStrong {

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

    50% {
        opacity: 0.9;
        transform: scale(1.06);
    }
}

/* ============================
   SHAKE ANIMATION - CSS
   ============================ */

.shake {
    animation: shake 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    20% {
        transform: translateX(-8px) rotate(-2deg);
    }

    40% {
        transform: translateX(8px) rotate(2deg);
    }

    60% {
        transform: translateX(-6px) rotate(-1deg);
    }

    80% {
        transform: translateX(6px) rotate(1deg);
    }
}

/* ============================
   BOUNCE ANIMATIONS - CSS
   ============================ */

.bounce {
    animation: bounce 1s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes bounce {

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

    50% {
        transform: translateY(-15px);
    }
}

.bounce-in {
    animation: bounceIn 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.4);
    }

    50% {
        transform: scale(1.03);
    }

    70% {
        transform: scale(0.95);
    }

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

/* ============================
   ROTATE ANIMATIONS - CSS
   ============================ */

.rotate {
    animation: rotate 2s linear infinite;
}

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

.rotate-slow {
    animation: rotate 4s linear infinite;
}

/* ============================
   WAVE ANIMATION - CSS
   ============================ */

.wave {
    animation: wave 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes wave {

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

    25% {
        transform: rotate(15deg);
    }

    75% {
        transform: rotate(-15deg);
    }
}

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

@media (max-width: 768px) {
    .card-hover:hover {
        transform: translateY(-4px);
    }

    .card-lift:hover {
        transform: translateY(-3px);
    }
}

/* ============================
   UTILITY CLASSES
   ============================ */

.no-animation {
    animation: none !important;
    transition: none !important;
}

.fast-transition {
    transition-duration: 0.15s;
}

.slow-transition {
    transition-duration: 0.6s;
}

/* ============================
   ACCESSIBILITY - Reduced Motion
   ============================ */

@media (prefers-reduced-motion: reduce) {

    .card-hover,
    .card-lift,
    .btn-animated,
    .icon-pulse,
    .pulse,
    .spinner,
    .float,
    .glow,
    .wave,
    .rotate {
        animation: none !important;
        transition: none !important;
    }
}

/* ============================
   SPECIAL EFFECTS - CSS
   ============================ */

/* 3D Flip Effect */
.flip-card {
    perspective: 1000px;
}

.flip-card-inner {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

/* Morphing Effect */
.morph {
    animation: morph 3s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

@keyframes morph {

    0%,
    100% {
        border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    }

    50% {
        border-radius: 30% 60% 70% 40% / 50% 60% 30% 60%;
    }
}

/* Gradient Animation */
.gradient-animate {
    background: linear-gradient(45deg,
            #0066cc,
            #0099ff,
            #0066cc);
    background-size: 200% 200%;
    animation: gradientMove 3s ease infinite;
}

@keyframes gradientMove {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

/* Spotlight Effect */
.spotlight {
    position: relative;
    overflow: hidden;
}

.spotlight::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle,
            rgba(255, 255, 255, 0.25) 0%,
            transparent 70%);
    opacity: 0;
    transition: opacity 0.4s ease;
    pointer-events: none;
}

.spotlight:hover::before {
    opacity: 1;
}