html {
    scroll-behavior: smooth;
}
body {
    font-family: "Inter", system-ui, sans-serif;
}

/* Smooth scroll reveal animations */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition:
        opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0) translateX(0);
}
.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition:
        opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.scroll-reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition:
        opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.scroll-reveal-scale {
    opacity: 0;
    transform: scale(0.9);
    transition:
        opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
        transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.scroll-reveal-left.revealed,
.scroll-reveal-right.revealed,
.scroll-reveal-scale.revealed {
    opacity: 1;
    transform: translateX(0) scale(1);
}
.scroll-reveal-delay-1 {
    transition-delay: 0.1s;
}
.scroll-reveal-delay-2 {
    transition-delay: 0.2s;
}
.scroll-reveal-delay-3 {
    transition-delay: 0.3s;
}
.scroll-reveal-delay-4 {
    transition-delay: 0.4s;
}
.scroll-reveal-delay-5 {
    transition-delay: 0.5s;
}

/* Custom animations */
@keyframes float {
    0%,
    100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}
@keyframes pulse-slow {
    0%,
    100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}
@keyframes scan-line {
    0% {
        top: 10%;
    }
    50% {
        top: 85%;
    }
    100% {
        top: 10%;
    }
}
@keyframes phone-scroll {
    0%,
    25% {
        transform: translateY(0);
    }
    35%,
    75% {
        transform: translateY(-50%);
    }
    85%,
    100% {
        transform: translateY(0);
    }
}
@keyframes click-pulse {
    0%,
    40% {
        opacity: 0;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1);
    }
    60% {
        opacity: 1;
        transform: scale(0.95);
    }
    70% {
        opacity: 1;
        transform: scale(1);
    }
    80%,
    100% {
        opacity: 0;
        transform: scale(0.8);
    }
}
.click-animation {
    animation: click-pulse 5s ease-in-out infinite;
}
@keyframes scan-fade {
    0%,
    35% {
        opacity: 1;
    }
    45%,
    85% {
        opacity: 0;
    }
    95%,
    100% {
        opacity: 1;
    }
}
@keyframes scan-fade-reverse {
    0%,
    35% {
        opacity: 0;
    }
    45%,
    85% {
        opacity: 1;
    }
    95%,
    100% {
        opacity: 0;
    }
}
.scan-img-first {
    animation: scan-fade 5s ease-in-out infinite;
}
.scan-img-second {
    animation: scan-fade-reverse 5s ease-in-out infinite;
}

/* Shine/shimmer effect for buttons */
@keyframes shine {
    0% {
        left: -100%;
    }
    50%,
    100% {
        left: 100%;
    }
}
.btn-shine {
    position: relative;
    overflow: hidden;
}
.btn-shine::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.1),
        rgba(255, 255, 255, 0.4),
        rgba(255, 255, 255, 0.1),
        transparent
    );
    transform: skewX(-20deg);
    animation: shine 3s ease-in-out infinite;
}
.float-animation {
    animation: float 3s ease-in-out infinite;
}
.float-animation-delayed {
    animation: float 3s ease-in-out infinite 0.5s;
}
.pulse-slow {
    animation: pulse-slow 2s ease-in-out infinite;
}
.scan-line-animation {
    animation: scan-line 2.5s ease-in-out infinite;
}
.phone-scroll-animation {
    animation: phone-scroll 5s ease-in-out infinite;
}

/* Phone mockup */
.phone-mockup {
    background: linear-gradient(145deg, #1a2e35 0%, #0f1f24 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow:
        0 50px 100px -20px rgba(0, 0, 0, 0.4),
        0 30px 60px -30px rgba(0, 0, 0, 0.5);
}
.phone-screen {
    border-radius: 32px;
    overflow: hidden;
    background: white;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.phone-screen::-webkit-scrollbar {
    display: none;
}
.phone-notch {
    width: 120px;
    height: 28px;
    background: #1a2e35;
    border-radius: 0 0 20px 20px;
    margin: 0 auto;
    position: absolute;
    top: 0;
    left: 50%;
    /* transform: translateX(-50%); */
}

/* Gradient backgrounds */
.hero-gradient {
    background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 50%, #f0fdfa 100%);
}
.feature-gradient {
    background: linear-gradient(180deg, #ffffff 0%, #f0fdfa 100%);
}

/* Glass effect */
.glass {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

/* Hide scrollbars */
.no-scrollbar::-webkit-scrollbar {
    display: none;
}
.no-scrollbar {
    -ms-overflow-style: none;
    scrollbar-width: none;
}

/* 3D Showcase */
.showcase-container {
    perspective: 2000px;
}
.phone-3d {
    transition:
        transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1),
        opacity 0.5s ease;
    transform-style: preserve-3d;
    will-change: transform, opacity;
}

/* Ground Shadow */
.ground-shadow {
    position: absolute;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
    width: 80%;
    height: 20px;
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0) 70%);
    filter: blur(8px);
    z-index: -1;
    transition:
        transform 0.5s ease,
        opacity 0.5s ease;
}

/* Spotlight Background */
.spotlight {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(20, 184, 166, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

/* Desktop Nav Arrows */
.nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 56px;
    height: 56px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 20;
    cursor: pointer;
    transition: all 0.3s ease;
    opacity: 0;
    pointer-events: none;
}
.showcase-wrapper:hover .nav-btn {
    opacity: 1;
    pointer-events: auto;
}
.nav-btn:hover {
    background: #14b8a6;
    color: white;
    transform: translateY(-50%) scale(1.1);
}

/* Step Indicator */
.step-label {
    position: absolute;
    top: -60px;
    left: 50%;
    transform: translateX(-50%);
    white-space: nowrap;
    background: #14b8a6;
    color: white;
    padding: 4px 16px;
    border-radius: 20px;
    font-weight: 600;
    font-size: 14px;
    opacity: 0;
    transition: all 0.5s ease;
}

/* App chooser modal transitions */
#app-chooser-modal #app-chooser-backdrop {
    opacity: 0;
    transition: opacity 0.3s ease;
}
#app-chooser-modal #app-chooser-container {
    opacity: 0;
    transform: scale(0.95);
    transition:
        opacity 0.3s ease,
        transform 0.3s ease;
}
#app-chooser-modal.modal-active #app-chooser-backdrop {
    opacity: 1;
}
#app-chooser-modal.modal-active #app-chooser-container {
    opacity: 1;
    transform: scale(1);
}